WO2021197232A1 - 气溶胶生成装置及其控制方法 - Google Patents

气溶胶生成装置及其控制方法 Download PDF

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Publication number
WO2021197232A1
WO2021197232A1 PCT/CN2021/083347 CN2021083347W WO2021197232A1 WO 2021197232 A1 WO2021197232 A1 WO 2021197232A1 CN 2021083347 W CN2021083347 W CN 2021083347W WO 2021197232 A1 WO2021197232 A1 WO 2021197232A1
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WO
WIPO (PCT)
Prior art keywords
heater
time
heating
preset
generating device
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Application number
PCT/CN2021/083347
Other languages
English (en)
French (fr)
Inventor
胡圣杰
孙晓东
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to JP2022559437A priority Critical patent/JP7503359B2/ja
Priority to KR1020227037964A priority patent/KR20220160110A/ko
Priority to EP21779095.5A priority patent/EP4129099A4/en
Priority to US17/914,772 priority patent/US20230138171A1/en
Publication of WO2021197232A1 publication Critical patent/WO2021197232A1/zh

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • This application relates to the technical field of smoking articles, and in particular to an aerosol generating device and a control method thereof.
  • the aerosol generation temperature is generally 200°C to 400°C.
  • the heating rod of the resistance heater Take a certain brand of button to start the heating rod of the resistance heater as an example.
  • the heating rod will start the resistance heater for heating.
  • the resistance heater is in a high-temperature working state, there is no cigarette in the heating rod to conduct heat for it, and the heating part is in a dry burning state, which is easy to damage the heating part, causing the service life of the heating rod to be greatly attenuated.
  • This application provides an aerosol generating device and a control method thereof, aiming to solve how to perform dry burning detection on the aerosol generating device.
  • the first aspect of the present application provides a method for controlling an aerosol generating device, the aerosol generating device including a heater for heating an aerosol forming substrate to generate an aerosol; the method includes:
  • a second aspect of the present application provides an aerosol generating device.
  • the aerosol generating device includes a heater and a controller, and the controller is configured to execute the method for controlling the aerosol generating device according to the first aspect .
  • the control method of the aerosol generating device avoids the problem that the heater is in a dry burning state when the cigarette is not inserted into the aerosol generating device, which causes damage to the heating components, and improves the user experience.
  • FIG. 1 is a schematic diagram of the structure of an aerosol generating device provided by an embodiment of the present application
  • Fig. 2 is a schematic diagram of the cigarette structure provided by the embodiment of the present application.
  • Fig. 3 is a schematic diagram of a preheating curve of a heater provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a control method of an aerosol generating device provided by an embodiment of the present application
  • FIG. 5 is a schematic diagram of another flow chart of the control method of the aerosol generating device provided by the embodiment of the present application.
  • Fig. 6 is a schematic diagram of the hardware structure of a controller provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of the structure of an aerosol generating device provided by an embodiment of the present application.
  • the aerosol generating device 10 includes a battery 101, a controller 102 and a heater 103.
  • the aerosol generating device 10 has an internal space defined by the housing, and an aerosol generating article (such as a cigarette) can be inserted into the internal space of the aerosol generating device 10.
  • FIG. 1 only the elements of the aerosol generating device 10 related to this embodiment are shown. Correspondingly, those skilled in the art related to this embodiment should understand that the aerosol generating device 10 may further include general elements other than the elements shown in FIG. 1.
  • the battery 101 provides power for operating the aerosol generating device 10.
  • the battery 101 may provide power to heat the heater 103, and may provide power required to operate the controller 102.
  • the battery 101 can provide power required to operate the display, sensor, motor, etc. provided in the aerosol generating device 10.
  • the battery 101 may be, but is not limited to, a lithium iron phosphate (LiFePO4) battery.
  • the battery 101 may be a lithium cobaltate (LiCoO2) battery or a lithium titanate battery.
  • the battery 101 may be a rechargeable battery or a disposable battery.
  • the aerosol generating device 10 heats the heater 103 by the electric power provided by the battery 101.
  • the heater 103 raises the temperature of the aerosol-forming substrate in the cigarette to generate aerosol.
  • the generated aerosol is passed through the filter section of the cigarette to the user for smoking.
  • the aerosol generating device 10 can heat the heater 103.
  • the heater 103 can be a central heating method (the outer circumference of the heating element or the heating element is in contact with the aerosol-forming substrate) and the peripheral heating method (the heating element or the heating element is wrapped around the aerosol to form the substrate), and the heater 103 can also be through heat conduction, One or more of electromagnetic induction, chemical reaction, infrared effect, resonance, photoelectric conversion, and photothermal conversion heat the aerosol-forming substrate to generate aerosol for inhalation.
  • the controller 102 can control the overall operation of the aerosol generating device 10. In detail, the controller 102 not only controls the operation of the battery 101 and the heater 103, but also controls the operation of other elements in the aerosol generating device 10. In addition, the controller 102 can determine whether the aerosol generating device 10 is operable by checking the state of the elements of the aerosol generating device 10.
  • the controller 102 includes at least one processor.
  • the processor may include a logic gate array, or may include a combination of a general-purpose microprocessor and a memory storing programs executable in the microprocessor.
  • the controller 102 may include another type of hardware.
  • the controller 102 may control the operation of the heater 103.
  • the controller 102 can control the amount of power supplied to the heater 130 and the time for which the power is continuously supplied to the heater 103, so that the heater 103 is heated to a predetermined temperature or maintained at an appropriate temperature.
  • the controller 102 may check the state of the battery 101 (for example, the remaining power of the battery 101), and may generate a notification signal if necessary.
  • controller 102 can check whether the user is puffing and the intensity of the puffing, and can count the number of puffs. In addition, the controller 102 may check the time for which the aerosol generating device 10 continues to operate.
  • the aerosol generating device 10 may also include general-purpose elements.
  • the aerosol generating device 10 may include a display for outputting visual information or a motor for outputting tactile information.
  • the controller 102 may send the user information about the state of the aerosol generating device 10 (for example, whether the aerosol generating device 10 can be used), and information about the heater 103 (for example, Warm-up is started, warm-up is being performed, or warm-up is completed), information about battery 101 (for example, the remaining power of battery 101, whether battery 101 can be used), and information related to resetting of aerosol generating device 10 (for example, resetting) Time, reset is being performed, or reset is completed), information related to the cleaning of the aerosol generating device 10 (e.g., cleaning time, cleaning required, cleaning being performed, or cleaning completed), and charging of the aerosol generating device 10
  • Related information for example, charging is required, charging is being performed, or charging is completed), information related to puffs (for example, the number of puffs, notification of end of puffing), or
  • the aerosol generating device 10 may include at least one input device (such as a key) used by the user to control the functions of the aerosol generating device 10.
  • the user can perform various functions by using the input device of the aerosol generating apparatus 10.
  • the desired function among the multiple functions of the aerosol generating apparatus 10 can be performed by adjusting the number of times the user presses the input device (for example, once or twice) or the time the user continuously presses the input device (for example, 0.1 second or 0.2 second).
  • the aerosol generating device 10 can perform the function of heating the heater 103, the function of adjusting the temperature of the heater 103, the function of cleaning the space where the cigarette is inserted, and the function of checking whether the aerosol generating device 10 can perform The function of operation, the function of displaying the remaining power (usable power) of the battery 101, and the function of resetting the aerosol generating device 10.
  • the function of the aerosol generating device 10 is not limited to this.
  • Fig. 2 is a schematic diagram of a cigarette structure provided by an embodiment of the present application.
  • the cigarette 20 includes a filter section 21 and a tobacco section 22.
  • the tobacco section 22 includes an aerosol-forming substrate.
  • the aerosol-forming substrate is a substrate capable of releasing volatile compounds that can form an aerosol, and the volatile compounds can be released by heating the aerosol-forming substrate.
  • the aerosol-forming substrate may be a solid aerosol-forming substrate.
  • the aerosol-forming substrate may include solid and liquid components.
  • the aerosol-forming substrate may include a tobacco-containing material that contains volatile tobacco flavor compounds that are released from the substrate when heated.
  • the aerosol-forming substrate may include a non-tobacco material.
  • the aerosol-forming substrate may further include an aerosol former. Examples of suitable aerosol formers are glycerin and propylene glycol.
  • the aerosol produced by heating the tobacco section 22 is delivered to the user through the filter section 21, which may be a cellulose acetate filter.
  • the filter section 21 may be sprayed with a flavored liquid to provide fragrance, or separate fibers coated with a flavored liquid may be inserted into the filter section 21 to improve the persistence of the taste delivered to the user.
  • the filter section 21 may also have a spherical or cylindrical shaped capsule, and the capsule may contain the content of a flavoring substance.
  • the cigarette 20 may further include general components other than the components shown in FIG. 2.
  • a cooling section for cooling the aerosol generated by heating the tobacco section 22, so that the user can inhale the aerosol cooled to an appropriate temperature.
  • Fig. 3 is a schematic diagram of a preheating curve of a heater provided by an embodiment of the present application.
  • the temperature change curve of the heater 103 over time includes a temperature-increasing phase and a heat-preserving phase.
  • the temperature of the heater 103 is increased from the initial temperature T0 (or ambient temperature) to the preset target temperature T1.
  • the preset target temperature T1 is set so that the desired volatile compound vaporizes from the aerosol-forming substrate, while the undesired compound with a higher vaporization temperature will not vaporize.
  • the preset target temperature T1 may be 200°C-400°C.
  • the temperature of the heater 103 is kept at the preset target temperature T1 for a period of time, so that the aerosol-forming substrate is fully preheated, and the user's suction taste is improved.
  • the duration of the heating phase is t0 to t1
  • the duration of the heat preservation phase is t1 to t2
  • t0 to t2 are the preheating time of the heater 103.
  • the preheating time of the heater 103 is 5 seconds to 30 seconds.
  • FIG. 3 only shows a schematic diagram of a temperature curve related to this embodiment.
  • the heater 103 is in the suction stage, that is, the user can suck the aerosol generated by the aerosol generating device 10 to heat.
  • the temperature of the heater 103 is maintained within a certain preset temperature range or at a certain preset temperature for a period of time.
  • FIG. 4 is a schematic flowchart of a control method of an aerosol generating device provided by an embodiment of the present application.
  • step S11 the controller 102 determines the total energy generated by the heater 103 for heating within a preset time.
  • the preset time may be determined according to the preheating time of the heater 103. As shown in FIG. 3, the preset time is greater than or equal to the duration t0 to t1 during which the temperature of the heater 103 rises from the initial temperature to the preset target temperature.
  • the preset time is less than or equal to the preheating time t0 ⁇ t2 of the heater 103.
  • the preset time can be divided into one or more heating periods according to the heating power of the heater 103.
  • the controller 102 determines the energy generated by the heater 103 during each heating time according to the heating power of the heater 103 corresponding to each heating time in the preset time; and then according to the heating power of the heater 103 during each heating time
  • the generated energy is the total energy generated by heating by the heater 103 within a preset time.
  • the controller 102 controls the heating power provided by the battery 101 to the heater 103 (assuming the power is constant) Is W1; during the heat preservation period t1 to t2 of the heater 103, the controller 102 controls the heating power (assuming a constant power) provided by the battery 101 to the heater 103 to be W2.
  • step S12 the controller 102 performs dry burning detection according to the total energy generated by the heater 103 during the preset time.
  • the controller 102 compares the total energy generated by the heater 103 during the preset time with a preset energy threshold, and if the total energy generated by the heater 103 during the preset time is less than the preset energy Threshold, it is judged that dry burning has occurred; otherwise, it is judged that no dry burning has occurred.
  • the preset energy threshold can be an experimental value or an empirical value.
  • the heater 103 is used to preheat a certain type of cigarette 20, and the total energy Qn generated by the heater 103 to heat the type of cigarette 20 during the preheating time t0 to t2 is tested.
  • the average value is used as the preset energy threshold.
  • the controller 102 controls the heater 103 to stop heating, so as to prevent the heater 103 from being in a dry burning state all the time, causing damage to the heater 103. Further, an indicator light display or a vibration form can also be used to prompt the user that the heater 103 is in a dry burning state.
  • the controller 102 controls the heater 103 to continue to execute the next stage, for example: completing the heat preservation stage, entering the suction stage, and so on.
  • FIG. 5 is a schematic diagram of another flow chart of the control method of the aerosol generating device provided by the embodiment of the present application.
  • step S21 the controller 102 controls the heater 103 to perform heating with the first heating power during the temperature rising stage t0 to t1.
  • the controller 102 controls the heater 103 to heat with a constant heating power, and the first heating power can be the maximum heating power that the controller 102 controls the battery 101 to provide to the heater 103.
  • the controller 102 can also control the heater 103 to heat with a constant heating power through the following steps:
  • the real-time resistance of the heater 103 can be determined by measuring the voltage applied to the heater 103 and the current flowing through the heater 103.
  • step S21 during the heat preservation period t1 to t2, the controller 102 controls the heater 103 to heat with the second heating power, and linearly adjusts the second heating power according to the preset target temperature T1; wherein, the second heating power is less than the first heating power. heating power.
  • the controller 102 determines the real-time resistance of the heater 103, and determines the real-time temperature of the heater 103 according to the real-time resistance of the heater 103; when the real-time temperature of the heater 103 is less than the preset target temperature T1, according to the first preset The step value linearly increases the second heating power; when the real-time temperature of the heater 103 is greater than the preset target temperature T1, the second heating power is linearly decreased according to the second preset step value.
  • the resistance value of the heater 103 changes with the temperature.
  • the resistance value and the temperature of the heating unit 101 can form a corresponding relationship between the resistance value and the temperature, and different temperatures correspond to different resistances. value. Therefore, by determining the real-time resistance of the heater 103, the real-time temperature of the heater 103 can be determined.
  • the first preset step value and the second preset step value may be the same.
  • FIG. 5 only shows a schematic flow chart of the control method of the aerosol generating device related to this embodiment.
  • the heater 103 is in the suction stage, that is, the user can suck the aerosol generated by the aerosol generating device 10 to heat.
  • the controller 102 controls the temperature of the heater 103 to be kept within a certain preset temperature range or at a certain preset temperature for a period of time.
  • the controller 102 controls the heater 103 to enter the heating phase. Specifically, the controller 102 controls the heater 103 to perform heating with a constant heating power of 6W. Since the heater 103 is in the heating process, the resistance value of the heater 103 may change as the temperature changes, resulting in the heating power supplied to the heater 103 also change. Therefore, the controller 102 determines the real-time resistance of the heater 103; determines the real-time voltage provided to the heater 103 according to the real-time resistance of the heater 103 and the constant heating power of 6W; adjusts the voltage provided to the heater 103 to the real-time voltage .
  • the controller 102 controls the heater 103 to enter the heat preservation phase. Specifically, the controller 102 controls the heater 103 to perform heating with a power less than a constant heating power of 6W, for example, a heating power of 4W.
  • the controller 102 determines the real-time resistance of the heater 103, and determines the real-time temperature of the heater 103 according to the real-time resistance of the heater 103; when the real-time temperature of the heater 103 is less than 350°C, linearly according to the preset step value of 0.05W Increasing the heating power of 4W, that is, the controller 102 controls the heater 103 to heat with a power of 4.05W, so that the temperature of the heater 103 is reduced and maintained at 350°C.
  • the heating power of 4W is linearly reduced according to the preset step value of 0.05W, that is, the controller 102 controls the heater 103 to heat with a power of 3.95W to make the temperature of the heater 103 Rise and maintain at 350°C.
  • the above-mentioned preheating time is generally 20s.
  • the controller 102 determines the total energy generated by the heater 103 during the preheating time, and compares the total energy generated by the heater 103 during the preheating time with The preset energy threshold is compared, and if the total energy generated by the heater 103 during the preheating time is less than the preset energy threshold, it is determined that dry burning has occurred; otherwise, it is determined that dry burning has not occurred.
  • the controller 102 controls the heater 103 to stop heating, so as to prevent the heater 103 from being in a dry burning state all the time, causing damage to the heater 103. Further, an indicator light display or a vibration form can also be used to prompt the user that the heater 103 is in a dry burning state.
  • the controller 102 controls the heater 103 to enter the suction phase and prompts the user to suction.
  • FIG. 6 is a schematic diagram of the hardware structure of the controller 102 according to an embodiment of the present application.
  • the controller 102 includes one or more processors 1021 and a memory 1022.
  • one processor 1021 is taken as an example in FIG. 6.
  • the processor 1021 and the memory 1022 may be connected through a bus or in other ways.
  • the connection through a bus is taken as an example.
  • the memory 1022 can be used to store non-volatile software programs, non-volatile computer-executable programs and modules, such as the control method of the aerosol generating device in the embodiment of the present invention Corresponding program instructions/modules.
  • the processor 1021 runs the non-volatile software programs, instructions, and modules stored in the memory 1022 to execute the control method and data processing of the aerosol generating device of the foregoing various embodiments.
  • the memory 1022 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the memory 1022 may optionally include memories remotely provided with respect to the processor 1021, and these remote memories may be connected to the processor 1021 via a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the program instructions/modules are stored in the memory 1022, and when executed by the one or more processors 1021, the control method of the aerosol generating device in any of the foregoing method embodiments is executed, for example, so as to execute each of the foregoing The control method and data processing of the aerosol generating device of the embodiment.
  • the embodiment of the present invention also provides a non-transitory computer-readable storage medium, the non-transitory computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to make an electronic device execute any of the above The control method of the aerosol generating device described in the item.
  • the embodiment of the present invention provides a computer program product.
  • the computer program product includes a computer program stored on a non-volatile computer-readable storage medium.
  • the computer program includes program instructions. When executing, the electronic device is caused to execute any one of the control methods of the aerosol generating device.
  • the above-described device or device embodiments are only illustrative.
  • the unit modules described as separate components may or may not be physically separated, and the components displayed as modular units may or may not be physical units. , Which can be located in one place, or can be distributed to multiple network module units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each implementation manner can be implemented by means of software plus a general hardware platform, and of course, it can also be implemented by hardware.
  • the above technical solution essentially or the part that contributes to the related technology can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk , CD-ROM, etc., including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute the methods described in each embodiment or some parts of the embodiment.

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Abstract

一种气溶胶生成装置（10）及其控制方法，控制方法包括：确定加热器（103）在预设时间内加热所产生的总能量（S11），根据加热器（103）在预设时间内加热所产生的总能量进行干烧检测（S12）；其中，预设时间大于或等于加热器（103）的温度从初始温度上升到预设目标温度的持续时间。该气溶胶生成装置（10）及其控制方法通过加热器（103）在预设时间内加热所产生的总能量进行干烧检测；避免了当烟支没有插入气溶胶生成装置（10）时加热器（103）处于干烧状态，导致发热部件损坏的问题，提升了用户体验。

Description

气溶胶生成装置及其控制方法
相关申请的交叉参考
本申请要求于2020年03月28日提交中国专利局，申请号为202010232894.2，名称为“气溶胶生成装置及其控制方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及烟具技术领域，尤其涉及一种气溶胶生成装置及其控制方法。
背景技术
诸如香烟、雪茄等物品在使用期间燃烧烟草以产生烟草烟雾。已经尝试通过产生在不燃烧的情况下释放化合物的产品来为这些燃烧烟草的物品提供替代物。此类产品的示例是所谓的加热不燃烧产品，也称之为烟草加热产品或烟草加热设备，该产品或设备通过加热材料而不燃烧材料来释放化合物。材料例如可为烟草或其他非烟草产品或组合，诸如，可包含或可不包含尼古丁的共混的混合物。
用户在抽吸时，需要启动加热器将气溶胶生成基质直接由环境温度加热至可形成蒸发物的气溶胶生成温度。气溶胶生成温度一般为200℃～400℃，为了让用户体验佳，即时或及时吸到气溶胶，需要短时间内从环境温度达到气溶胶生成温度，对加热及供电部件的功率要求很高，这会带来一些问题。
以某品牌的按键启动电阻加热器的加热杆为例，当用户没有将烟支插入到加热杆中时，若按压按键或者误触按键，使得加热杆启动电阻加热器进行加热。此时，电阻加热器处于高温工作的状态，加热杆内没有烟支为其传导热量，发热部件处于干烧的状态，容易损坏发热部件，导致加热杆的使用寿命大幅度的衰减。
发明内容
本申请提供一种气溶胶生成装置及其控制方法，旨在解决如何对气溶胶生成装置进行干烧检测。
本申请第一方面提供了一种气溶胶生成装置的控制方法，所述气溶胶生成装置包括用于对气溶胶形成基质进行加热以产生气溶胶的加热器；所述方法包括：
确定加热器在预设时间内加热所产生的总能量，根据所述加热器在预设时间内加热所产生的总能量进行干烧检测；其中，所述预设时间大于或等于所述加热器的温度从初始温度上升到预设目标温度的持续时间。
本申请第二方面提供了一种气溶胶生成装置，所述气溶胶生成装置包括加热器以及控制器，所述控制器被配置成用于执行第一方面所述的气溶胶生成装置的控制方法。
本申请提供的气溶胶生成装置的控制方法，避免了当烟支没有插入气溶胶生成装置时加热器处于干烧状态，导致发热部件损坏的问题，提升了用户体验。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本申请实施方式提供的气溶胶生成装置结构示意图；
图2是本申请实施方式提供的烟支结构示意图；
图3是本申请实施方式提供的加热器的预热曲线示意图；
图4是本申请实施方式提供的气溶胶生成装置的控制方法流程示意图；
图5是本申请实施方式提供的气溶胶生成装置的控制方法另一流程示意图；
图6是本申请实施方式提供的控制器的硬件结构示意图。
具体实施方式
为了便于理解本申请，下面结合附图和具体实施方式，对本申请进行更详细的说明。需要说明的是，当元件被表述“固定于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“上”、“下”、“左”、“右”、“内”、“外”以及类似的表述只是为了说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本说明书中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是用于限制本申请。本说明书所使用的术语“和/或”包括一个或 多个相关的所列项目的任意的和所有的组合。
图1是本申请实施方式提供的气溶胶生成装置结构示意图。
如图1所示，气溶胶生成装置10包括电池101、控制器102以及加热器103。此外，气溶胶生成装置10具有壳体所限定的内部空间，气溶胶生成物品(例如烟支)可以插入到气溶胶生成装置10的内部空间中。
在图1中仅示出与本实施例相关的气溶胶生成装置10的元件。相应地，与该实施例有关的本领域技术人员应理解，气溶胶生成装置10中可以还包括除了图1中所示的元件之外的通用元件。
电池101提供用于操作气溶胶生成装置10的电力。例如，电池101可以提供电力以对加热器103进行加热，并且可以提供操作控制器102所需的电力。此外，电池101可以提供操作气溶胶生成装置10中所提供的显示器、传感器、电机等所需的电力。
电池101可以是但不限于磷酸铁锂(LiFePO4)电池。例如，电池101可以是钴酸锂(LiCoO2)电池或钛酸锂电池。电池101可以是可反复充电电池或一次性电池。
当烟支插入到气溶胶生成装置10中时，通过电池101提供的电力气溶胶生成装置10对加热器103进行加热。加热器103使烟支中的气溶胶形成基质的温度升高以生成气溶胶。所生成的气溶胶通过烟支的滤嘴段传递给用户抽吸。然而，即使在烟支并未插入气溶胶生成装置10中的情况下，气溶胶生成装置10也可以对加热器103进行加热。
加热器103可以为中心加热方式(通过加热体或发热体的外周与气溶胶形成基质接触)和外围加热方式(加热体或发热体包裹气溶胶形成基质)，加热器103还可以为通过热传导、电磁感应、化学反应、 红外作用、共振、光电转换、光热转换中的一种或几种方式对气溶胶形成基质进行加热生成可供吸食的气溶胶。
控制器102可以控制气溶胶生成装置10的整体操作。详细地说，控制器102不仅控制电池101和加热器103的操作，而且还控制气溶胶生成装置10中其它元件的操作。此外，控制器102可以通过检查气溶胶生成装置10的元件的状态来确定气溶胶生成装置10是否可以进行操作。
控制器102包括至少一个处理器。处理器可以包括逻辑门阵列，或可以包括通用微处理器和存储微处理器中可执行的程序的存储器的组合。此外，本领域技术人员应理解，控制器102可以包括另一类型的硬件。
例如，控制器102可以控制加热器103的操作。控制器102可以控制提供给加热器130的电力的量和给加热器103持续提供电力的时间，从而使得加热器103被加热到预定的温度或保持适当的温度。此外，控制器102可以检查电池101的状态(例如电池101的剩余电量)，并且如果必要，则可以生成通知信号。
此外，控制器102可以检查用户是否进行抽吸以及抽吸强度，并且可以对抽吸的数量进行计数。此外，控制器102可以检查气溶胶生成装置10持续进行操作的时间。
除了电池101、控制器102和加热器103之外，气溶胶生成装置10还可以包括通用元件。
例如，气溶胶生成装置10可以包括用于输出视觉信息的显示器或用于输出触觉信息的电机。例如，当气溶胶生成装置10中包括显示器时，控制器102可以向用户发送关于气溶胶生成装置10的状态的信息(例如是否可以使用气溶胶生成装置10)、关于加热器103 的信息(例如预热开始，正执行预热，或预热完成)、关于电池101的信息(例如电池101的剩余电量、是否可以使用电池101)、与气溶胶生成装置10的重置有关的信息(例如重置时间、正执行重置、或重置完成)、与气溶胶生成装置10的清洁有关的信息(例如清洁时间、需要清洁、正执行清洁、或清洁完成)、与气溶胶生成装置10的充电有关的信息(例如需要充电、正执行充电、或充电完成)、与抽吸有关的信息(例如抽吸的次数、抽吸结束通知)、或与安全有关的信息(例如使用时间)。替代地，当气溶胶生成装置10中包括电机时，控制器102可以通过使用电机来生成振动信号，并且可以将上述信息发送到用户。
此外，气溶胶生成装置10可以包括用户所使用的至少一个输入设备(例如按键)，以控制气溶胶生成装置10的功能。例如，用户可以通过使用气溶胶生成装置10的输入设备来执行各种功能。可以通过调整用户按压输入设备的次数(例如一次或两次)或用户持续按压输入设备的时间(例如0.1秒或0.2秒)来执行气溶胶生成装置10的多个功能当中的期望功能。随着用户操作输入设备，气溶胶生成装置10可以执行对加热器103进行加热的功能、调整加热器103的温度的功能、清洁烟支插入的空间的功能、检查气溶胶生成装置10是否可以进行操作的功能、显示电池101的剩余电量(可使用的电力)的功能以及重置气溶胶生成装置10的功能。然而，气溶胶生成装置10的功能不限于此。
图2是本申请实施方式提供的烟支结构示意图。
如图2所示，烟支20包括滤嘴段21和烟草段22。
烟草段22包括气溶胶形成基质。气溶胶形成基质为能够释放可形成气溶胶的挥发性化合物的基质，可以通过加热气溶胶形成基质释 放挥发性化合物。
气溶胶形成基质可以是固态气溶胶形成基质。替代性地，气溶胶形成基质可包括固态和液态成分。气溶胶形成基质可包括含烟草材料，其包含在加热时从基质释放的挥发性烟草香味化合物。替代性地，气溶胶形成基质可包括非烟草材料。气溶胶形成基质可进一步包括气溶胶形成物。合适的气溶胶形成物的例子是甘油和丙二醇。
烟草段22被加热产生的气溶胶通过滤嘴段21输送给用户，滤嘴段21可以是醋酸纤维素过滤嘴。滤嘴段21可以喷洒调味液体来提供香味、或者，可以将涂覆有调味液体的分离的纤维插入滤嘴段21，进而改善输送给用户的味道的持久性。滤嘴段21还可具有球形或圆柱形形状的胶囊，胶囊可以含有调味物质的内容物。
在图2中仅示出与本实施例相关的烟支20的部件。相应地，与该实施例有关的本领域技术人员应理解，烟支20中可以还包括除了图2中所示的部件之外的通用部件。例如，用于对烟草段22被加热产生的气溶胶进行冷却的冷却段，以使得用户可以吸入被冷却到适当温度的气溶胶。
图3是本申请实施方式提供的加热器的预热曲线示意图。
如图3所示，加热器103随时间的温度变化曲线包括升温阶段和保温阶段。
升温阶段，加热器103的温度从初始温度T0(或者环境温度)升高至预设目标温度T1。预设目标温度T1被设定为，使得期望的挥发性化合物从气溶胶形成基质汽化，而汽化温度较高的不期望的化合物不会汽化。一般地，预设目标温度T1可以为200℃-400℃。
保温阶段，加热器103的温度在预设目标温度T1下保持一段时间，以使得气溶胶形成基质得到充分的预热，提升用户的抽吸口感。
升温阶段持续时间为t0～t1，保温阶段的持续时间为t1～t2，t0～t2即为加热器103的预热时间。一般地，加热器103的预热时间为5秒～30秒。
需要说明的是，图3仅示出与本实施例相关的温度曲线示意图。本领域技术人员应理解，一般的，在保温阶段之后，加热器103处于抽吸阶段，即用户可抽吸气溶胶生成装置10加热所产生的气溶胶。在该阶段，加热器103的温度保持在某一预设温度范围之内或者在某一预设温度下保持一段时间。
图4是本申请实施方式提供的气溶胶生成装置的控制方法流程示意图。
如图4所示，在步骤S11中，控制器102确定加热器103在预设时间内加热所产生的总能量。
预设时间可根据加热器103的预热时间进行确定，如图3所示，所述预设时间大于或等于加热器103的温度从初始温度上升到预设目标温度的持续时间t0～t1。
进一步地，预设时间小于或等于加热器103的预热时间t0～t2。
预设时间根据加热器103的加热功率大小可划分为一段或多段加热时间。控制器102根据预设时间中每一段加热时间所对应的加热器103的加热功率，确定加热器103在每一段加热时间内加热所产生的能量；进而根据加热器103在每一段加热时间内加热所产生的能量，得到加热器103在预设时间内加热所产生的总能量。
作为示例地，若预设时间为加热器103的预热时间t0～t2，在加热器103的升温阶段t0～t1，控制器102控制电池101提供给加热器103的加热功率(假设功率恒定)为W1；在加热器103的保温阶段t1～t2，控制器102控制电池101提供给加热器103的加热功率(假 设功率恒定)为W2。则加热器103在升温阶段t0～t1内加热所产生的能量为Q1＝W1*(t1-t0)，加热器103在保温阶段t1～t2内加热所产生的能量为Q2＝W2*(t2-t1)；因此，加热器103在预设时间内加热所产生的总能量为Q3＝Q1+Q2。
在步骤S12中，控制器102根据加热器103在预设时间内加热所产生的总能量进行干烧检测。
具体地，控制器102将加热器103在预设时间内加热所产生的总能量与预设能量阈值进行比较，若加热器103在预设时间内加热所产生的总能量小于所述预设能量阈值，则判断有发生干烧；否则判断没有发生干烧。
预设能量阈值可为实验值或者经验值。例如，使用加热器103对某一种类的烟支20进行预热，测试加热器103在预热时间t0～t2内加热该种类的烟支20所产生的总能量Qn，经过多次测试之后取平均值作为预设能量阈值。
当判断有发生干烧时，控制器102控制加热器103停止加热，避免加热器103一直处于干烧状态，导致加热器103损坏。进一步地，还可以指示灯显示或震动形式提示用户加热器103处于干烧状态。
当判断没有发生干烧时，控制器102控制加热器103继续执行下一阶段，例如：完成保温阶段，进入抽吸阶段等等。
图5是本申请实施方式提供的气溶胶生成装置的控制方法另一流程示意图。
如图5所示，在步骤S21中，在升温阶段t0～t1，控制器102控制加热器103以第一加热功率进行加热。
在该步骤中，控制器102控制加热器103以恒定加热功率进行加热，第一加热功率可以为控制器102控制电池101提供给加热器103 的最大加热功率。
一般地，由于加热器103在加热过程中，加热器103的电阻值可能随温度的变化而发生变化，导致供给到加热器103的加热功率也会发生变化。因此，进一步地，控制器102还可通过以下步骤实现控制加热器103以恒定加热功率进行加热：
确定加热器103的实时电阻；根据加热器103的实时电阻以及所述第一加热功率，确定提供给加热器103的实时电压；将提供给加热器103的电压调整为所述实时电压。
具体地，若加热器103的实时电阻为R1，所述第一加热功率为W1，则可通过公式：W＝U 2/R，计算出提供给加热器103的实时电压
Figure PCTCN2021083347-appb-000001
进而将提供给加热器103的电压调整为实时电压U 1。
加热器103的实时电阻可通过测量施加到加热器103的电压和流过加热器103的电流来确定。
在步骤S21中，在保温阶段t1～t2，控制器102控制加热器103以第二加热功率进行加热，并根据预设目标温度T1线性调整第二加热功率；其中，第二加热功率小于第一加热功率。
具体地，控制器102确定加热器103的实时电阻，并根据加热器103的实时电阻确定加热器103的实时温度；在加热器103的实时温度小于预设目标温度T1时，根据第一预设步进值线性增大所述第二加热功率；在加热器103的实时温度大于预设目标温度T1时，根据第二预设步进值线性减小所述第二加热功率。
加热器103在加热过程中，加热器103的电阻值随温度的变化而发生变化，加热单元101的电阻值与温度之间可形成电阻值与温度的对应关系，不同的温度下对应不同的电阻值。因此，通过确定加热器 103的实时电阻即可确定加热器103的实时温度。
可选的，所述第一预设步进值与所述第二预设步进值可以相同。
需要说明的是，与图3类似的，图5仅示出与本实施例相关的气溶胶生成装置的控制方法流程示意图。本领域技术人员应理解，一般的，在保温阶段之后，加热器103处于抽吸阶段，即用户可抽吸气溶胶生成装置10加热所产生的气溶胶。在该阶段，控制器102控制加热器103的温度保持在某一预设温度范围之内或者在某一预设温度下保持一段时间。
为了更好地阐述本实施例，以下对气溶胶生成装置的控制过程进行说明：
当气溶胶生成装置10启动预热时，控制器102控制加热器103进入升温阶段。具体地，控制器102控制加热器103以恒定加热功率6W进行加热。由于加热器103在加热过程中，加热器103的电阻值可能随温度的变化而发生变化，导致供给到加热器103的加热功率也会发生变化。因此，控制器102确定加热器103的实时电阻；根据加热器103的实时电阻以及恒定加热功率6W，确定提供给加热器103的实时电压；将提供给加热器103的电压调整为所述实时电压。
当控制加热器103加热到350℃时(或者340℃～360℃时)，控制器102控制加热器103进入保温阶段。具体地，控制器102控制加热器103以小于恒定加热功率6W的功率进行加热，例如：4W加热功率。同时，控制器102确定加热器103的实时电阻，并根据加热器103的实时电阻确定加热器103的实时温度；当加热器103的实时温度小于350℃时，根据预设步进值0.05W线性增大4W加热功率，即控制器102控制加热器103以4.05W的功率进行加热，以使得加热器103的温度降低并保持为350℃。当加热器103的实时温度大于350℃ 时，根据预设步进值0.05W线性减小4W加热功率，即控制器102控制加热器103以3.95W的功率进行加热，以使得加热器103的温度上升并保持为350℃。
上述预热时间一般的为20s，在预热结束之后，控制器102确定加热器103在预热时间内加热所产生的总能量，将加热器103在预热时间内加热所产生的总能量与预设能量阈值进行比较，若加热器103在预热时间内加热所产生的总能量小于所述预设能量阈值，则判断有发生干烧；否则判断没有发生干烧。
当判断有发生干烧时，控制器102控制加热器103停止加热，避免加热器103一直处于干烧状态，导致加热器103损坏。进一步地，还可以指示灯显示或震动形式提示用户加热器103处于干烧状态。
当判断没有发生干烧时，控制器102控制加热器103进入抽吸阶段，并提示用户进行抽吸。
请参阅图6，图6是本申请实施方式提供的控制器102的硬件结构示意图。如图6所示，控制器102包括一个或多个处理器1021以及存储器1022。其中，图6中以一个处理器1021为例。
处理器1021和存储器1022可以通过总线或者其他方式连接，图6中以通过总线连接为例。
存储器1022作为一种非易失性计算机可读存储介质，可用于存储非易失性软件程序、非易失性计算机可执行程序以及模块，如本发明实施例中的气溶胶生成装置的控制方法对应的程序指令/模块。处理器1021通过运行存储在存储器1022中的非易失性软件程序、指令以及模块，从而执行上述各个实施例的气溶胶生成装置的控制方法以及数据处理。
存储器1022可以包括高速随机存取存储器，还可以包括非易失 性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实施例中，存储器1022可选包括相对于处理器1021远程设置的存储器，这些远程存储器可以通过网络连接至处理器1021。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
所述程序指令/模块存储在所述存储器1022中，当被所述一个或者多个处理器1021执行时，执行上述任意方法实施例中的气溶胶生成装置的控制方法，例如，从而执行上述各个实施例的气溶胶生成装置的控制方法以及数据处理。
本发明实施例还提供了一种非暂态计算机可读存储介质，所述非暂态计算机可读存储介质存储有计算机可执行指令，所述计算机可执行指令用于使电子设备执行如上任一项所述的气溶胶生成装置的控制方法。
本发明实施例提供了一种计算机程序产品，所述计算机程序产品包括存储在非易失性计算机可读存储介质上的计算机程序，所述计算机程序包括程序指令，当所述程序指令被电子设备执行时，使所述电子设备执行任一项所述的气溶胶生成装置的控制方法。
以上所描述的装置或设备实施例仅仅是示意性的，其中所述作为分离部件说明的单元模块可以是或者也可以不是物理上分开的，作为模块单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络模块单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到各实施方式可借助软件加通用硬件平台的方式来实现，当然也可以通过硬件。基于这样的理解，上述技术方案本质上或者说对相关技术 做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在计算机可读存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。
需要说明的是，本申请的说明书及其附图中给出了本申请的较佳的实施例，但是，本申请可以通过许多不同的形式来实现，并不限于本说明书所描述的实施例，这些实施例不作为对本申请内容的额外限制，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。并且，上述各技术特征继续相互组合，形成未在上面列举的各种实施例，均视为本申请说明书记载的范围；进一步地，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本申请所附权利要求的保护范围。

Claims (13)

  1. 一种气溶胶生成装置的控制方法，所述气溶胶生成装置包括用于对气溶胶形成基质进行加热以产生气溶胶的加热器；其特征在于，所述方法包括：
    确定加热器在预设时间内加热所产生的总能量，根据所述加热器在预设时间内加热所产生的总能量进行干烧检测；其中，所述预设时间大于或等于所述加热器的温度从初始温度上升到预设目标温度的持续时间。
  2. 根据权利要求1所述的方法，其特征在于，所述预设时间小于或等于所述加热器的预热时间。
  3. 根据权利要求2所述的方法，其特征在于，所述预设时间根据所述加热器的加热功率大小可划分为一段或多段加热时间。
  4. 根据权利要求3所述的方法，其特征在于，所述确定加热器在预设时间内加热所产生的总能量，包括：
    根据所述预设时间中每一段加热时间所对应的所述加热器的加热功率，确定所述加热器在每一段加热时间内加热所产生的能量；
    根据所述加热器在每一段加热时间内加热所产生的能量，得到所述加热器在所述预设时间内加热所产生的总能量。
  5. 根据权利要求1-4任一所述的方法，其特征在于，所述根据所述加热器在预设时间内加热所产生的总能量进行干烧检测，包括：
    将所述加热器在所述预设时间内加热所产生的总能量与预设能 量阈值进行比较，若所述加热器在预设时间内加热所产生的总能量小于所述预设能量阈值，则判断有发生干烧；否则判断没有发生干烧。
  6. 根据权利要求5所述的方法，其特征在于，当判断有发生干烧时，控制所述加热器停止加热。
  7. 根据权利要求2-6任一所述的方法，其特征在于，所述加热器的预热时间为升温阶段的持续时间与保温阶段的持续时间之和；其中，所述升温阶段为控制所述加热器的温度从所述初始温度上升到所述预设目标温度的阶段，所述保温阶段为控制所述加热器的温度保持为所述预设目标温度的阶段。
  8. 根据权利要求7所述的方法，其特征在于，
    在所述升温阶段，控制所述加热器以第一加热功率进行加热；
    在所述保温阶段，控制所述加热器以第二加热功率进行加热，并根据所述预设目标温度线性调整所述第二加热功率；其中，所述第二加热功率小于所述第一加热功率。
  9. 根据权利要求8所述的方法，其特征在于，所述控制所述加热器以第一加热功率进行加热，包括：
    确定所述加热器的实时电阻；
    根据所述加热器的实时电阻以及所述第一加热功率，确定提供给所述加热器的实时电压；
    将提供给所述加热器的电压调整为所述实时电压。
  10. 根据权利要求8所述的方法，其特征在于，所述根据所述预设目标温度线性调整所述第二加热功率，包括：
    确定所述加热器的实时电阻，并根据所述加热器的实时电阻确定所述加热器的实时温度；
    在所述加热器的实时温度小于所述预设目标温度时，根据第一预设步进值线性增大所述第二加热功率；
    在所述加热器的实时温度大于所述预设目标温度时，根据第二预设步进值线性减小所述第二加热功率。
  11. 根据权利要求10所述的方法，其特征在于，所述第一预设步进值与所述第二预设步进值相同。
  12. 根据权利要求2-11任一所述的方法，其特征在于，所述加热器的预热时间为5秒～30秒。
  13. 一种气溶胶生成装置，其特征在于，所述气溶胶生成装置包括加热器以及控制器，所述加热器用于对气溶胶形成基质进行加热以产生气溶胶，所述控制器被配置成用于执行权利要求1-12任一所述的气溶胶生成装置的控制方法。
PCT/CN2021/083347 2020-03-28 2021-03-26 气溶胶生成装置及其控制方法 WO2021197232A1 (zh)

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