Aerosol generating device, method and system

Abstract

The present application provides an aerosol generating device, method, and system, including a housing having an opening, a cavity configured to receive or remove an aerosol-generating product through the opening, a heater configured to heat at least a portion of the aerosol-generating product received in the cavity to generate a smoking aerosol, a color detection device configured to generate a color signal by emitting light into the cavity and detecting reflection of the light, and a controller configured to acquire the color signal generated by the color detection device and generate a control signal based on the color signal to control operation of the heater. The present application provides a low-cost aerosol generating device that simplifies operation of the aerosol-generating product and improves user experience by detecting insertion or removal of the aerosol-generating product from the cavity using the color detection device.

Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application claims priority to a Chinese patent application bearing application number 202010801561.7 and entitled "Aerosol generating apparatus and method and system thereof" filed with the China Patent Office on August 11, 2020, the entire contents of which are incorporated herein by reference.

[0002] TECHNICAL FIELD The present application relates to the technical field of smoking articles, and in particular to an aerosol generating device and method and system thereof. [Background technology]

[0003] Smoking articles, such as cigarettes and cigars, burn tobacco to produce smoke during use. Attempts have been made to provide alternatives to these tobacco-burning articles by producing products that release compounds without combustion. Examples of such products include non-combustion heat-not-burn products, which release compounds by heating, rather than burning, tobacco.

[0004] In order to simplify the user's operation, existing smoking implements generally have a sensor installed in the cigarette insertion port to detect whether a cigarette is inserted and to control a heater to start heating. However, the sensor cannot detect whether the cigarette is inserted correctly, and if heating is started when the cigarette is not inserted correctly, the cigarette will not be heated effectively, which is likely to affect the smoking experience. As a solution to this problem, a sensor is added in the cigarette cavity to detect whether the cigarette is inserted correctly. However, the addition of the sensor increases the hardware cost of the smoking implement and reduces the competitiveness of the product. Summary of the Invention

[0005] The embodiments of the present application provide an aerosol generating device, method and system to solve the problem of high hardware detection costs present in existing smoking accessories.

[0006] One aspect of the embodiment of the present application is A housing having an opening; a cavity configured to receive or remove an aerosol-generating product from the opening; and a heater configured to heat at least a portion of the aerosol-generating product received within the cavity to generate an aerosol for smoking; a color detection device configured to emit light into the cavity and detect reflections of the light to generate a color signal; and a controller configured to obtain a color signal generated by the color detection device and to control operation of the heater by generating a control signal based on the color signal.

[0007] Another aspect of the present application is acquiring a color signal generated by a color detection device; and generating a control signal based on the color signal to control operation of the heater.

[0008] Another aspect of the present application is an aerosol-generating product having an exterior surface having a first color and a second color; The present invention provides an aerosol generation system comprising: an aerosol generation device according to the first aspect.

[0009] The aerosol generating device and the method and system provided in the embodiments of the present application detect the insertion or removal of an aerosol generating product into or from a cavity using a color detection device, and further control the operation of a heater, thereby reducing costs and simplifying the operation of the aerosol generating device and improving the user experience. [Brief description of the drawings]

[0010] One or more embodiments are illustratively described by way of illustration in the accompanying drawing figures, but these illustrative illustrations are not intended to be limiting of the embodiments, and in the drawings, elements having the same reference numerals designate similar elements, and the drawings are not meant to be drawn to scale unless otherwise specified. [Figure 1] FIG. 1 is a schematic diagram of an aerosol generation system provided in an embodiment of the present application. [Diagram 2] 1 is a schematic diagram of an aerosol generating product provided in an embodiment of the present application. [Diagram 3] FIG. 2 is an exploded schematic view of an aerosol generating device provided in an embodiment of the present application. [Figure 4] FIG. 2 is a schematic diagram of some devices in the aerosol generating apparatus provided in an embodiment of the present application. [Diagram 5] FIG. 5 is a schematic cross-sectional view of FIG. [Figure 6] FIG. 2 is a schematic diagram of a heater in the aerosol generating device provided in an embodiment of the present application. [Figure 7] 1 is a flowchart of a method for controlling an aerosol generating device provided in an embodiment of the present application. [Figure 8] 1 is another flowchart of a method for controlling an aerosol generating device provided in an embodiment of the present application. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] In order to facilitate understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it may be directly on the other element, or there may be one or more intermediate elements between them. When an element is described as being "connected to" another element, it may be directly connected to the other element, or there may be one or more intermediate elements between them. The terms "upper", "lower", "left", "right", "inner", "outer" and similar terms used in this specification are merely for the purpose of explanation.

[0012] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art. The terms used herein in this application are merely for describing specific embodiments and are not intended to limit the application. The term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0013] FIG. 1 is a schematic diagram of an aerosol generation system provided in an embodiment of the present application.

[0014] 1, the aerosol generating system includes an aerosol-generating product 100 and an aerosol generating device 200. The aerosol generating device 200 has a cavity for receiving or removing the aerosol-generating product 100, which can be inserted into or removed from the cavity through an opening A in the aerosol generating device 200, and the aerosol generating device 200 is used to heat at least a portion of the aerosol-generating product 100 inserted into the cavity to generate an aerosol for smoking.

[0015] FIG. 2 is a schematic diagram of an aerosol-generating product provided in an embodiment of the present application.

[0016] As shown in FIG. 2, the aerosol-generating product 100 includes a filter portion 101 and a tobacco portion 102 .

[0017] The tobacco portion 102 includes an aerosol-forming substrate. The aerosol-forming substrate is a substrate capable of releasing a volatile compound capable of forming an aerosol, and the volatile compound can be released by heating the aerosol-forming substrate.

[0018] The aerosol-forming substrate may be a solid aerosol-forming substrate. Alternatively, the aerosol-forming substrate may comprise solid and liquid components. The aerosol-forming substrate may comprise a tobacco-containing material, including volatile tobacco flavor compounds that are released from the substrate upon heating. Alternatively, the aerosol-forming substrate may comprise a non-tobacco material. The aerosol-forming substrate may further comprise an aerosol former. Examples of suitable aerosol formers include glycerin and propylene glycol.

[0019] The aerosol generated by heating the tobacco portion 102 is delivered to the user through the filter portion 101, which may be a cellulose acetate filter. The filter portion 101 may provide flavor by spraying a flavor liquid, or separated fibers coated with a flavor liquid may be inserted into the filter portion 101 to improve the persistence of the flavor delivered to the user. The filter portion 101 may further include a spherical or cylindrical capsule, which may contain a content of a flavoring substance.

[0020] Only the components of the aerosol-generating product 100 relevant to this embodiment are shown in Figure 2. Accordingly, a person skilled in the art to which this embodiment relates should understand that the aerosol-generating product 100 may include common components other than those shown in Figure 2. For example, the tobacco portion 102 may include a cooling portion that cools the aerosol generated by heating the tobacco portion 102, allowing the user to inhale the aerosol that has been cooled to an appropriate temperature.

[0021] The outer surface of the filter portion 101 at the interface with the tobacco portion 102 has a label C1. The color of the label C1 may be a single color, e.g., red, blue, green, etc., or may be a mixed color. The color of the label C1 may include one flavor of the different aerosol-generating products 100 (not limited to this type), e.g., red represents a mint flavored aerosol-generating product, blue represents a coffee flavored aerosol-generating product, green represents a mango flavored aerosol-generating product, etc. The color of the label C1 is different from the color of the outer surface of the tobacco portion 102 to facilitate detection and recognition by a color detection device.

[0022] FIG. 3 is an exploded schematic view of the aerosol generating device provided in an embodiment of the present application.

[0023] As shown in FIG. 3, the aerosol generating device 200 includes a housing 6 and a heater 1 provided within the housing 6 .

[0024] The housing 6 includes an outer housing 61, a fixed housing 62, a base 63 and a bottom cover 64, the fixed housing 62 and the base 63 are both fixed within the outer housing 61, the base 63 is used to fix the substrate 11, the base 63 is disposed within the fixed housing 62, and the bottom cover 64 is disposed at one end of the outer housing 61 and covers the outer housing 61.

[0025] Specifically, the base 63 includes a base 631 fitted to the upper end of the substrate 11 and a base 632 fitted to the lower end of the substrate 11, the bases 631 and 632 are both arranged within the fixed housing 62, an intake pipe 641 is protruded from the bottom cover 64, one end of the base 632 away from the base 631 is connected to the intake pipe 641, the base 631, the heater 1, the base 632 and the intake pipe 641 are arranged coaxially, and the heater 1, the base 631 and the base 632 can be sealed by a sealing material, and the base 632 and the intake pipe 641 can also be sealed, and the intake pipe 641 communicates with the outside air to allow the user to inhale smoothly when smoking.

[0026] The aerosol generating device 200 further includes a control circuit board 3 and a battery 7. The fixed housing 62 includes a front housing 621 and a rear housing 622, an opening A is provided in the rear housing 622, the front housing 621 and the rear housing 622 are fixedly connected, the control circuit board 3 and the battery 7 are both provided in the fixed housing 62, the battery 7 is electrically connected to the control circuit board 3, and the button 4 is protruded from the outer housing 61. A charging interface 31 is further connected to the control circuit board 3, and the charging interface 31 is exposed to the bottom cover 64, so that a user can charge or upgrade the aerosol generating device 200 through the charging interface 31 to ensure continuous use of the aerosol generating device 200.

[0027] The battery 7 provides power for operating the aerosol generating device 200. For example, the battery 7 can provide power for heating the heater 1 and can provide power required to operate the controller. The battery 7 may be, but is not limited to, a lithium iron phosphate (LiFePO4) battery. For example, the battery 7 may be a lithium cobalt oxide (LiCoO2) battery or a lithium titanate battery. The battery 7 may be a rechargeable battery or a disposable battery.

[0028] The aerosol generating device 200 further includes a thermal insulation pipe 5, which is disposed within the fixed housing 62 and disposed around the outer periphery of the substrate 11, and which can prevent a user's hand from feeling hot due to a large amount of heat being transferred to the outer housing 61. The thermal insulation pipe includes a thermal insulation material, which may be a thermal insulation adhesive, aerogel, aerogel blanket, asbestos, aluminum silicate, calcium silicate, diatomaceous earth, zirconium oxide, etc. The thermal insulation pipe may be a vacuum thermal insulation pipe. An infrared reflective coating may be formed within the thermal insulation pipe 5 to improve heating efficiency.

[0029] The aerosol generating device 200 further includes a temperature sensor 2, such as an NTC temperature sensor, for detecting a real-time temperature of the heater 1 and transmitting the detected real-time temperature to the control circuit board 3, and the control circuit board 3 adjusts the magnitude of the current flowing through the heater 1 based on the real-time temperature.

[0030] Specifically, when the NTC temperature sensor detects that the real-time temperature of the heater 1 is low, for example, when the temperature of the heater 1 is less than 150°C, the control circuit board 3 controls the battery 7 to output a high voltage to the heater 1, thereby further increasing the heating efficiency of the aerosol-forming substrate and shortening the time the user must wait before taking the first inhale.

[0031] When the NTC temperature sensor detects that the temperature of the heater 1 is between 150° C. and 200° C., the control circuit board 3 controls the battery 7 so that a normal voltage is output to the heater 1.

[0032] When the NTC temperature sensor detects that the temperature of the heater 1 is between 200° C. and 250° C., the control circuit board 3 controls the battery 7 to output a low voltage to the heater 1.

[0033] When the NTC temperature sensor detects that the temperature of the heater 1 is 250° C. or higher, the control circuit board 3 controls the battery 7 to stop the voltage output to the heater 1 .

[0034] Fig. 4 is a schematic diagram of some devices in the aerosol generating device provided in the embodiment of the present application. Fig. 5 is a schematic cross-sectional view of some devices in the aerosol generating device provided in the embodiment of the present application. Fig. 6 is a schematic diagram of a heater in the aerosol generating device provided in the embodiment of the present application.

[0035] As shown in FIGS. 4 to 6, the aerosol generating device 200 further includes a heater 1 and a color detecting device, and the color detecting device includes a light source 201 and a color sensor 202.

[0036] The heater 1 is used to heat at least a portion of the aerosol-generating product 100 received within the cavity of the aerosol generating device 200 to generate an aerosol for smoking.

[0037] The heater 1 may be of a central heating type (where the outer periphery of the heating body is in direct contact with the aerosol-forming substrate) or an outer periphery heating type (where the cylindrical heating body envelops the aerosol-forming substrate), and the heater may heat the aerosol-forming substrate by one or more of the following methods: thermal conduction, electromagnetic induction, chemical reaction, infrared effect, resonance, photoelectric conversion, and photothermal conversion to generate a smokable aerosol.

[0038] In the following, an example will be described in which the heater 1 is an infrared heater.

[0039] As shown in FIG. 6, the heater 1 includes a substrate 11 , an infrared electrothermal coating 12 and a conductive element 13 .

[0040] The substrate 11 may be cylindrical, rectangular or other cylindrical, preferably cylindrical. The substrate 11 has a hollow interior, and the hollow portion forms at least a part of the cavity of the aerosol generating device 200. A through hole corresponding to the hollow portion is provided in the base 631 at the upper end of the substrate 11, and the aerosol-generating product 100 can be inserted into or removed from the hollow portion by passing through the opening A and the through hole in that order.

[0041] The infrared electric heating coating 12 is formed on the outer surface of the substrate, and the infrared electric heating coating 12 receives power from the battery 7 through the conductive element 13 to generate heat, and transfers the generated heat to the aerosol generating product inserted into the cavity at least by way of infrared radiation.

[0042] The conductive element 13 includes a first electrode 131 and a second electrode 132 disposed on the substrate 11, and the first electrode 131 and the second electrode 132 are both electrically connected to the infrared heating coating 12. The first electrode 131 and the second electrode 132 may be annular conductive coatings applied to the outer surface of the substrate 11 near the upper and lower ends, and the conductive coating may be a metal coating or a conductive tape, etc., and the metal coating may include silver, gold, palladium, platinum, copper, nickel, molybdenum, tungsten, niobium, or an alloy material of the above metals.

[0043] 4-5, the light source 201 and the color sensor 202 are disposed in a through-hole in the base 631, and when the aerosol-generating product 100 is properly inserted into the cavity of the aerosol-generating device 200, the position at which the color sensor 202 is disposed corresponds to the label C1 of the aerosol-generating product 100. The light source 201 is configured to emit light into the cavity of the aerosol-generating device 200, i.e., into the through-hole in the base 631, and the color sensor 202 is configured to detect reflection of the light and generate a color signal.

[0044] In this example, the light source 201 may be an LED lamp. The color sensor 202 may include a color filter and a photodetector, which detects the color of the reflected light and generates a corresponding color signal. The photodetector includes, but is not limited to, a photodiode, a photoresistor, a phototransistor, etc. It should be noted that the structure of the color sensor 202 is not limited to this case. The light source 201 and the color sensor 202 may be provided independently or may be integrated together.

[0045] The aerosol generating device 200 further includes a controller, which can control the overall operation of the aerosol generating device 200. In particular, the controller controls the operation of the battery 7 and the heater 1 as well as the operation of other elements in the aerosol generating device 200. The controller can also determine whether the aerosol generating device 200 can be operated by checking the status of the elements of the aerosol generating device 200. In this example, the controller obtains a color signal generated by the color sensor 202, and generates a control signal based on the color signal to control the operation of the heater 1.

[0046] The controller includes at least one processor, which may include a logic gate array or may include a combination of a general-purpose microprocessor and memory that stores executable programs within the microprocessor. Those skilled in the art should also understand that the controller may include other types of hardware.

[0047] In one example, the aerosol generating device 200 includes: further comprising an input module for receiving a wake-up command input by a user and generating a wake-up signal; The controller is further configured to receive the activation signal and control the activation of the light source 201 and the color sensor 202 based on the activation signal.

[0048] In this example, the input module may be the button 4 shown in FIG. 3, but is not limited to such case.

[0049] It should be understood with reference to Figures 1 to 6 that in one example, the controller is further configured to generate a signal that the product is correctly inserted if it sequentially acquires a second color signal and a first color signal generated by the color sensor 202 within a first predetermined time, and to control the heater 1 to start heating based on the signal that the product is correctly inserted.

[0050] Specifically, when the aerosol-generating product 100 is inserted into the hollow portion of the substrate 11 through the opening A and the through hole of the base 631, the light emitted by the light source 201 is irradiated onto the aerosol-generating product 100, and the color sensor 202 detects the color of the outer surface of the tobacco portion 102 and the color of the label C1 in turn, and generates corresponding second and first color signals. When the controller obtains the second and first color signals, it can determine that the aerosol-generating product 100 is correctly inserted into the cavity of the aerosol generating device 200, and further generate a signal that the product is correctly inserted. Thereafter, the controller controls the heater 1 to automatically start heating in response to the signal that the product is correctly inserted.

[0051] Furthermore, the controller further comprises: The system is configured to identify the type of aerosol-generating product 100 received in the cavity based on the first color signal, identify corresponding temperature setting information based on the type of aerosol-generating product 100, and control the power supplied to the heater 1 based on the temperature setting information.

[0052] Specifically, the color of the label C1 can represent one flavor of the different aerosol-generating products 100, for example, red represents a mint-flavored aerosol-generating product, blue represents a coffee-flavored aerosol-generating product, green represents a mango-flavored aerosol-generating product, etc. When a first color signal is obtained by the color sensor 202, a corresponding heating curve, i.e., temperature setting information, can be selected from pre-stored heating curves. Then, the heater 1 is controlled to heat according to the heating curve, thereby providing an optimal mouthfeel to the user.

[0053] Furthermore, the controller further comprises: When the second color signal and the third color signal generated by the color sensor 202 are acquired in sequence within a second predetermined time, a product removal signal is generated, and the heater 1 is controlled to stop heating based on the product removal signal.

[0054] Specifically, after the heater 1 is controlled to automatically start heating, when the user removes the aerosol-generating product 100 from the cavity of the aerosol-generating device 200, the color sensor 202 can sequentially detect the color of the outer surface of the tobacco part 102 and the color of the inner wall of the cavity, and generate corresponding second and third color signals. When the controller sequentially obtains the second and third color signals, it can determine that the aerosol-generating product 100 has been removed from the cavity of the aerosol-generating device 200, and further control the heater 1 to generate a product removal signal and stop heating.

[0055] Furthermore, the controller further comprises: The device is configured to generate a product improperly inserted signal if only a second color signal generated by the color sensor 202 is obtained within a second predetermined time period, and based on the product improperly inserted signal, control the heater to stop heating and record the time of completed heating of the heater.

[0056] Specifically, after the heater 1 is controlled to automatically start heating, if the aerosol-generating product 100 is moved unexpectedly, causing the aerosol-generating product 100 to be improperly inserted into the cavity of the aerosol-generating device 200, in this case the color sensor 202 can only detect the color of the outer surface of the tobacco part 102 and generate a corresponding second color signal. When the controller obtains the second color signal, it can determine that the aerosol-generating product 100 is improperly inserted, and further generate a signal that the product is improperly inserted, control the heater 1 to stop heating, and record the time of the completed heating of the heater 1.

[0057] Furthermore, the controller further comprises: The heater 1 is controlled to stop heating, and then a first notification is generated. The aerosol generating device 200 includes: The device further includes a first notification module for obtaining the first notification information and notifying a user of the presence of an abnormal position of the aerosol-generating product.

[0058] Specifically, if the aerosol-generating product 100 is suddenly moved after the heater 1 starts heating, causing the heater 1 to stop heating, the user may be notified of the abnormal position of the aerosol-generating product 100 by means of vibration, a lamp light, sound, or the like, so that the user can correctly reinsert the aerosol-generating product 100 into the cavity.

[0059] Furthermore, the controller further comprises: The device is configured to generate a signal that the product is correctly reinserted when the second color signal and the first color signal generated by the color sensor 202 are obtained in sequence within a third predetermined time, calculate a remaining heating time of the heater based on a completed heating time of the heater, and control the heater 1 to heat based on the signal that the product is correctly reinserted and the remaining heating time of the heater.

[0060] Specifically, if the aerosol-generating product 100 is accidentally moved after the heater 1 starts heating, causing the heater 1 to stop heating, after the user correctly reinserts the aerosol-generating product 100 into the cavity, heating of the aerosol-generating product 100 can continue without the user starting heating, further simplifying the operation of the aerosol generating device 200 and improving the user experience.

[0061] Furthermore, the controller further comprises: The heater 1 is set to be controlled to be in an off state when only the second color signal generated by the color sensor 202 is acquired within a first predetermined time, or when the second color signal and the fourth color signal generated by the color sensor 202 are acquired in sequence within a first predetermined time.

[0062] Specifically, when only the second color signal generated by the color sensor 202 is acquired within a first predetermined time, it can be determined that the aerosol-generating product 100 is not inserted correctly. In this case, there is no need to control the heater 1 to start heating, i.e., the heater 1 is controlled to be in an off state. Alternatively, when the second color signal and the fourth color signal generated by the color sensor 202 are acquired in sequence within a first predetermined time, it can be determined that an aerosol-generating product that does not match the aerosol generating device 200 has been inserted. In this case, there is also no need to control the heater 1 to start heating, i.e., the heater 1 is controlled to be in an off state. The fourth color is different from the color of the label C1, and is also different from the color of the outer surface of the tobacco portion 102 and the color of the inner wall of the cavity.

[0063] It should be noted that the above-mentioned first, second and third specified times may be empirical values ​​set when the aerosol generating device 200 is shipped from the factory, or may be set by the user himself.

[0064] Furthermore, the controller further comprises: a second notification information is generated when only the second color signal generated by the color sensor 202 is acquired within a first predetermined time, or when the second color signal and the fourth color signal generated by the color sensor 202 are acquired in sequence within a first predetermined time, The aerosol generating device 200 includes: The device further includes a second notification module for receiving the second notification information and notifying a user of the existence of an anomaly.

[0065] 7 is a flow chart of a method for controlling an aerosol generating device provided in an embodiment of the present application. The method includes: A step S11 of acquiring a color signal generated by a color detection device; and step S12 of generating a control signal based on the color signal to control operation of the heater.

[0066] The overall control process of the aerosol generating device 200 will now be described with reference to FIG.

[0067] In step S21, a cigarette is inserted.

[0068] In step S22, it is detected whether or not a cigarette is inserted.

[0069] Specifically, when a cigarette is inserted, the color sensor 202 detects the color of the outer surface of the tobacco portion 102 and generates a corresponding second color signal, that is, it can be determined that a cigarette is inserted.

[0070] In step S23, the cigarette is subsequently inserted.

[0071] In step S24, it is detected whether the cigarette is correctly inserted.

[0072] Specifically, when the cigarette is properly inserted into the cavity, the color sensor 202 detects the color of the outer surface of the tobacco portion 102 and the color of the label C1 in sequence, and generates corresponding second and first color signals.

[0073] In step S25, if the cigarette is properly inserted into the cavity, the controller controls the heater to start heating.

[0074] In steps S261 and S27, the heating of the cigarette is completed and the cigarette is removed, ending the heating.

[0075] In steps S262, S263 and S27, if the cigarette abnormally escapes from the insertion position, the controller controls the heater to stop heating, and in this case, when the cigarette is extracted, heating is terminated.

[0076] It should be noted that the specification and drawings of the present application provide preferred embodiments of the present application, but the present application can be realized in many different forms, and is not limited to the embodiments described herein, and these embodiments do not further limit the contents of the present application, and these embodiments are provided for the purpose of making the disclosure of the present application more complete and thorough. In addition, various embodiments not listed above that are formed by further combining each of the above technical features with each other are all considered to be within the scope of the description of the present application, and further, those skilled in the art can make improvements or modifications based on the above description, and all of these improvements and modifications are within the scope of the claims attached to this application.

Claims

1. A housing having an opening; a cavity configured to receive or remove an aerosol-generating product from the opening; and a heater configured to heat at least a portion of the aerosol-generating product received within the cavity to generate an aerosol for smoking; a color detection device configured to emit light into the cavity and detect reflections of the light to generate a color signal; and a controller configured to acquire a color signal generated by the color detection device and control operation of the heater by generating a control signal based on one or at least two of the following cases: Case 1: the controller sequentially acquires the second color signal and the first color signal within a first predetermined time period. Case 2: The controller acquires only the second color signal within a first predetermined time. Case 3: the controller sequentially obtains the second color signal and the fourth color signal within a first predetermined time period.

2. The controller further comprises: The aerosol generating device of claim 1, characterized in that when the second color signal and the first color signal generated by the color detection device are obtained in sequence within a first predetermined time, a signal indicating that the product is correctly inserted is generated, and the heater is controlled to start heating based on the signal indicating that the product is correctly inserted.

3. The controller further comprises: The aerosol generating device of claim 2, characterized in that it is configured to identify the type of aerosol generating product received in the cavity based on the first color signal, identify corresponding temperature setting information based on the type of aerosol generating product, and control the power supplied to the heater based on the temperature setting information.

4. The controller further comprises: The aerosol generating device of claim 1, characterized in that it is configured to generate a product removal signal when a second color signal and a third color signal generated by the color detection device are obtained in sequence within a second predetermined time, and to control the heater to stop heating based on the product removal signal.

5. The controller further comprises: The aerosol generating device of claim 1, characterized in that it is configured to generate a signal indicating that the product is not inserted correctly when only a second color signal generated by the color detection device is obtained within a second predetermined time, and to control the heater to stop heating based on the signal that the product is not inserted correctly, and record the time of completion of heating of the heater.

6. The controller further comprises: The aerosol generating device of claim 5, characterized in that when the second color signal and the first color signal generated by the color detection device are obtained in sequence within a third predetermined time, the device is configured to generate a signal that the product has been correctly reinserted, calculate the remaining heating time of the heater based on the completed heating time of the heater, and control the heater to heat based on the signal that the product has been correctly reinserted and the remaining heating time of the heater.

7. The controller further comprises: The aerosol generating device described in claim 1, characterized in that the heater is controlled to be in an off state when only the second color signal generated by the color detection device is acquired within a first predetermined time, or when the second color signal and the fourth color signal generated by the color detection device are acquired in sequence within a first predetermined time.

8. The controller further comprises: the notification information is generated when only the second color signal generated by the color detection device is acquired within a first predetermined time, or when the second color signal and the fourth color signal generated by the color detection device are acquired in sequence within a first predetermined time, The aerosol generating device comprises: The aerosol generating device according to claim 7, further comprising a notification module for receiving the notification information and notifying a user of the presence of an abnormality.

9. further comprising an input module for receiving a wake-up command input by a user and generating a wake-up signal; 2. The aerosol generating device according to claim 1, wherein the controller is further configured to receive the activation signal and control the color detection device to activate based on the activation signal.

10. acquiring a color signal generated by a color detection device; and generating a control signal to control operation of the heater based on one or at least two of the following cases: Case 1: The second color signal and the first color signal are acquired in sequence within a first predetermined time period. Case 2: Only the second color signal is acquired within the first predetermined time period. Case 3: The second color signal and the fourth color signal are acquired in sequence within a first predetermined time period.

11. an aerosol-generating product having an exterior surface having a first color and a second color; An aerosol generating system comprising: the aerosol generating device according to any one of claims 1 to 9.

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