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WO2024045050A1 - 加热不燃烧装置及其加热控制方法、程序产品、存储介质 - Google Patents

加热不燃烧装置及其加热控制方法、程序产品、存储介质 Download PDF

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Publication number
WO2024045050A1
WO2024045050A1 PCT/CN2022/116231 CN2022116231W WO2024045050A1 WO 2024045050 A1 WO2024045050 A1 WO 2024045050A1 CN 2022116231 W CN2022116231 W CN 2022116231W WO 2024045050 A1 WO2024045050 A1 WO 2024045050A1
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WO
WIPO (PCT)
Prior art keywords
temperature
time point
output
tobacco medium
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/116231
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English (en)
French (fr)
Inventor
尹坤任
张飞豹
梁峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Maishi Technology Co Ltd
Original Assignee
Shenzhen Merit Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Merit Technology Co Ltd filed Critical Shenzhen Merit Technology Co Ltd
Priority to JP2025500858A priority Critical patent/JP2025521988A/ja
Priority to KR1020257001383A priority patent/KR20250047981A/ko
Priority to PCT/CN2022/116231 priority patent/WO2024045050A1/zh
Priority to EP22956879.5A priority patent/EP4581967A4/en
Publication of WO2024045050A1 publication Critical patent/WO2024045050A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
    • 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
    • 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

Definitions

  • the invention relates to the field of atomization equipment, and in particular to a heat-not-burn device and its heating control method, program product, and storage medium.
  • HNB Heat Not Burning
  • appliances can use microwaves to heat tobacco media.
  • a bulge is often formed on the top of the appliance, and temperature measurement devices such as thermistors are placed in the bulge.
  • temperature measurement devices such as thermistors are placed in the bulge.
  • the HNB device When the HNB device is working, if the user inserts the tobacco medium, the raised part will be inserted into the tobacco medium accordingly, thereby realizing the temperature measurement of the tobacco medium.
  • the existing solution will cause contamination of the raised portion during the heating process of the tobacco medium, which requires regular cleaning, causing inconvenience to the user.
  • the user may use excessive force when cleaning, causing damage to the raised portion.
  • the technical problem to be solved by the present invention is that the existing technology has the defect that the protrusions need to be cleaned regularly.
  • the technical solution adopted by the present invention to solve the technical problem is to construct a heating control method for a heat-not-burn device, including:
  • microwave heating When using microwave heating to heat the tobacco medium, detect the frequency of the microwave signal in real time, and determine the initial time point corresponding to when the tobacco medium reaches a specific temperature based on the frequency detected in real time;
  • the output power and/or output time of the microwave source unit are controlled according to the required energy, so that the temperature of the tobacco medium reaches the target temperature.
  • it also includes:
  • determining the temperature of the tobacco medium at the current point in time includes:
  • the temperature of the tobacco medium at the current time point is determined by using a table lookup method.
  • adjusting the output power and/or output time of the microwave source unit includes:
  • control the microwave source unit to reduce the output power and/or reduce the output time
  • the microwave source unit is controlled to increase the output power.
  • the initial time point corresponding to when the tobacco medium reaches a specific temperature is determined based on the frequency of real-time detection, including:
  • the temperature of the tobacco medium at the initial point in time is determined as the specific temperature.
  • the inflection point frequency is determined based on the real-time detected frequency, including:
  • the maximum frequency among the real-time detected frequencies is used as the inflection point frequency.
  • the present invention also constructs a program product, including a processor, which implements the above-described steps of the heating control method of the heat-not-burn device when executing the stored computer program.
  • the present invention also constructs a storage medium that stores a computer program, which when executed by a processor implements the steps of the heating control method of the heat-not-burn device described above.
  • the invention also constructs a heat-not-burn device, which includes a microwave source unit and a tobacco medium, and also includes:
  • the first determination module is used to detect the frequency of the microwave signal in real time when the tobacco medium is heated by microwave heating, and determine the initial time point corresponding to when the tobacco medium reaches a specific temperature based on the real-time detected frequency;
  • a second determination module configured to determine the required energy of the tobacco medium starting from the initial time point according to the specific temperature and the preset target temperature
  • a control module configured to control the output power and/or output time of the microwave source unit according to the required energy, so that the temperature of the tobacco medium reaches the target temperature.
  • it also includes:
  • a calculation module configured to calculate the microwave unit from the initial time point to the current time point according to the real-time output power and output time of the microwave source unit during the process when the temperature of the tobacco medium reaches the target temperature. the output energy;
  • a third determination module configured to determine the temperature of the tobacco medium at the current point in time according to the output energy and the specific temperature
  • a judgment module used to judge whether the calculated temperature at the current time point is consistent with the set temperature at the current time point in the preset temperature curve
  • An adjustment module is used to adjust the output power and/or output time of the microwave source unit when there is inconsistency.
  • it also includes: a circulator, a radiation unit, a forward coupler, a reverse coupler, a forward detection unit, and a reverse detection unit, wherein the output end of the microwave source unit is connected to the first end of the circulator. end, the second end of the circulator is connected to the radiating unit, and the tobacco medium is located within the radiation range of the radiating unit, and the first end of the forward coupler and the reverse coupler are respectively connected.
  • the third end of the circulator, the second end of the forward coupler are connected to the input end of the forward detection unit, and the second end of the reverse coupler is connected to the input end of the reverse detection unit.
  • the output end of the forward detection unit and the output end of the reverse detection unit are respectively connected to the first determination module.
  • the initial time point corresponding to when the tobacco medium reaches a specific temperature can be determined based on the frequency of real-time detection, that is, the temperature (specific temperature) of the tobacco medium at the initial time point is detected, therefore, at When measuring the temperature of tobacco media, it is no longer necessary to install a thermistor and other temperature measuring devices in the heat-not-burn device, and there is no need to set a protrusion on the heat-not-burn device to accommodate the thermal temperature measurement device. This saves the user the work of regularly cleaning the raised parts, which not only improves the user experience, but also avoids damage to the raised parts caused by cleaning.
  • Figure 1 is a flow chart of Embodiment 1 of the heating control method of the heat-not-burn device of the present invention
  • Figure 2 is a schematic diagram of the calculated temperature curve and the measured temperature curve
  • Figure 3 is a logical structure diagram of Embodiment 1 of the heat-not-burn device of the present invention.
  • Figure 4 is a logical structure diagram of the second embodiment of the heat-not-burn device of the present invention.
  • FIG. 1 is a flow chart of a heating control method of a heating-not-burning device according to the present invention.
  • the heating control method of this embodiment includes the following steps:
  • Step S10 when using microwave heating to heat the tobacco medium, detect the frequency of the microwave signal in real time, and determine the initial time point corresponding to when the tobacco medium reaches a specific temperature based on the frequency detected in real time;
  • Step S20 determine the required energy of the tobacco medium from the initial time point based on the specific temperature and the preset target temperature (for example, 225°C);
  • Step S30 Control the output power and/or output time of the microwave source unit according to the required energy, so that the temperature of the tobacco medium reaches the target temperature.
  • the dielectric constant of the tobacco medium in an environment where the tobacco medium is heated by microwave, as the temperature of the tobacco medium rises (for example, starting from room temperature), the dielectric constant of the tobacco medium will change, and the dielectric constant of the tobacco medium will change.
  • the real part of the constant is the true dielectric constant, which further affects the wavelength of the electromagnetic wave.
  • the wavelength of electromagnetic waves is inversely proportional to frequency, changes in the real part of the dielectric constant will affect changes in the frequency of the microwave signal.
  • the tobacco medium installed in it is determined and has a unique specific temperature. This specific temperature corresponds to a unique microwave signal frequency. Therefore, the tobacco medium can be determined by detecting the frequency of the microwave signal in real time.
  • a time point at a specific temperature (initial time point). After the specific temperature of the tobacco medium is determined, the energy that needs to be provided to the tobacco medium from the initial time point (demand energy) can be determined in combination with the target temperature. Finally, the output power and/or the microwave source unit can be controlled based on the demand energy. The time is output to allow the temperature of the tobacco medium to reach the target temperature.
  • the initial time point corresponding to when the tobacco medium reaches a specific temperature can be determined based on the frequency of real-time detection, that is, the temperature (specific temperature) of the tobacco medium at the initial time point is detected, so when When measuring the temperature of tobacco media, it is no longer necessary to install a thermistor and other temperature measuring devices in the heat-not-burn device, and there is no need to set a protrusion on the heat-not-burn device to accommodate the thermal temperature measurement device.
  • the work of regularly cleaning the raised parts can be omitted, which not only improves the user experience, but also avoids damage to the raised parts caused by cleaning.
  • the heating control method of the present invention also includes:
  • the temperature of the tobacco medium at the current time point specifically: since the output power and output time in the period from the initial time point to the current time point are determined, the output energy that has been output can be calculated based on the output power and output time.
  • the output energy is related to the temperature difference in the period from the initial time point to the current time point. Therefore, the temperature at the current time point can be calculated based on the output energy and the specific temperature. Then, the calculated temperature is compared with the set temperature at the corresponding time point in the temperature curve.
  • the output of the microwave source unit can be adjusted to make the actual calculated temperature of the tobacco medium consistent with the temperature curve. This ensures the suction taste and aerosol quality.
  • this embodiment implements temperature measurement of the tobacco medium through software calculation. After testing, the accuracy is relatively high. As shown in Figure 2, curve L1 is the temperature curve calculated using the temperature measurement method of this embodiment. Curve L2 is the measured temperature curve.
  • the temperature of the tobacco medium at the current time point can be determined by the following methods: 1. Using formula calculation; 2. Using table lookup.
  • the relationship formula between energy and temperature or the relationship table between energy and temperature difference (the difference between the temperature at the current time point and a specific temperature) can be stored in advance. After the energy that has been output is calculated, the relationship between energy and temperature can be calculated. The temperature relationship formula is used to calculate the temperature at the current time point, or the temperature at the current time point is obtained by looking up the relationship table between energy and temperature difference.
  • adjusting the output power and/or output time of the microwave source unit may specifically include:
  • control the microwave source unit to reduce the output power and/or reduce the output time
  • the microwave source unit is controlled to increase the output power.
  • the following three comparison results may occur: 1.
  • the calculated temperature is greater than the set temperature. If the calculated temperature is less than the set temperature, it means that the actual temperature of the tobacco medium is too high. In this case, the output power of the microwave source unit can be reduced and/or the output time can be reduced. 2.
  • the calculated temperature is less than the set temperature, which means that the actual temperature of the tobacco medium is too low. In this case, The output power of the microwave source unit can be increased; 3.
  • the calculated temperature is equal to the set temperature, indicating that the actual temperature of the tobacco medium is just right, and there is no need to adjust the output power and/or output time.
  • step S10 the initial time point corresponding to when the tobacco medium reaches a specific temperature is determined according to the frequency of real-time detection, including:
  • the temperature of the tobacco medium at the initial point in time is determined as the specific temperature.
  • the inflection point frequency can be determined according to the following method: the largest frequency among the frequencies detected in real time is used as the inflection point frequency. It should be noted here that after performing frequency tracking detection, the multiple detected frequencies can be sorted to find the maximum value among them, which is the inflection point frequency; the multiple detected frequencies can also be sorted by time. When a frequency curve is made, it is obviously a parabola with an opening downward, and the maximum value of the parabola is the inflection point frequency.
  • the real part of the dielectric constant of the tobacco medium in an environment where the tobacco medium is heated by microwave, as shown in Table 1, as the temperature of the tobacco medium rises, the real part of the dielectric constant of the tobacco medium will first gradually increase and then gradually decrease, while the medium
  • the real part of the electrical constant will affect the wavelength of the electromagnetic wave, and the wavelength of the electromagnetic wave is inversely proportional to the frequency, so the change of the real part of the dielectric constant will affect the change of the frequency of the microwave signal, and the inflection point of the frequency corresponds to the real dielectric constant of the tobacco medium.
  • the inflection point of the partial change that is, 3.85, is then determined to be the temperature (specific temperature) corresponding to the inflection point of the real part change of the dielectric constant as 100°C. Therefore, the temperature at the moment when the frequency inflection point occurs can be determined as the specific temperature.
  • FIG. 3 is a logical structure diagram of Embodiment 1 of the heat-not-burn device of the present invention.
  • the heat-not-burn device of this embodiment includes a main control unit 10, a microwave source unit 20, and a tobacco medium 30.
  • the microwave source unit 20 may include: A microwave signal source that generates microwave signals, and a power amplifier for power amplifying the generated microwave signals.
  • the tobacco medium 30 may be housed in a heating cavity within the radiation range of the microwave signal.
  • the main control unit 10 includes a first determination module 11, a second determination module 12 and a control module 13. Furthermore, the first determination module 11 is used to detect the frequency of the microwave signal in real time when the tobacco medium 30 is heated using microwave heating.
  • the second determination module 12 is used to determine the starting point of the tobacco medium 30 from the specific temperature and the preset target temperature.
  • the required energy starting from the initial time point; the control module 13 is configured to control the output power and/or output time of the microwave source unit 20 according to the required energy, so that the temperature of the tobacco medium 30 reaches the target temperature.
  • the main control unit 10 may further include: a calculation module, a third determination module, a judgment module and an adjustment module, and the calculation module is configured to determine the temperature of the tobacco medium according to the target temperature when the temperature of the tobacco medium reaches the target temperature.
  • the real-time output power and output time of the microwave source unit are used to calculate the output energy of the microwave unit from the initial time point to the current time point; the third determination module is used to determine the output energy and the specific temperature according to the output energy and the specific temperature.
  • the temperature of the tobacco medium at the current time point; the judgment module is used to judge whether the calculated temperature at the current time point is consistent with the set temperature at the current time point in the preset temperature curve; the adjustment module is used to adjust the temperature when it is inconsistent.
  • the output power and/or output time of the microwave source unit are used to calculate the temperature of the tobacco medium according to the target temperature when the temperature of the tobacco medium reaches the target temperature.
  • the real-time output power and output time of the microwave source unit are used to calculate the output energy of the
  • the first determination module 11, the second determination module 12, the control module 13, the calculation module, the third determination module, the judgment module and the adjustment module these modules can be integrated into the main control unit 10, or they can be implemented by multiple implemented as an independent module.
  • FIG. 4 is a logical structure diagram of the second embodiment of the heat-not-burn device of the present invention.
  • the heat-not-burn device of this embodiment includes a main control unit 10, a microwave source unit 20, a tobacco medium, and also includes: a circulator 40 and a radiation unit 50 , forward coupler 61, reverse coupler 62, forward detection unit 71, reverse detection unit 72, wherein the output end of the microwave source unit 20 is connected to the first end of the circulator 40, and the second end of the circulator 40
  • the radiation unit 50 is connected, and the tobacco medium is located within the radiation range of the radiation unit 50.
  • the first ends of the forward coupler 61 and the reverse coupler 62 are respectively connected to the third end of the circulator 40, and the second end of the forward coupler 61 is connected to the radiation unit 50.
  • the terminal is connected to the input terminal of the forward detection unit 71, the second terminal of the reverse coupler 62 is connected to the input terminal of the reverse detection unit 72, and the output terminal of the forward detection unit 71 and the output terminal of the reverse detection unit 72 are respectively controlled.
  • the first determination module in the unit 10 and the control module in the main control unit 10 are connected to the input end of the microwave source unit 20 .
  • the microwave source unit 20 outputs a corresponding microwave signal under the control of the main control unit 10.
  • the microwave signal is transmitted to the radiation unit 50 after passing through the circulator 40.
  • the radiation unit 50 starts to radiate the microwave signal while heating the cavity. Since the tobacco medium in the tobacco medium is within the radiation range of the radiation unit 50, it can generate heat. At the same time, the temperature of the tobacco medium will cause changes in the real part of the dielectric constant of the tobacco medium, which in turn affects changes in the frequency of the microwave signal.
  • the forward detection unit 71 and the reverse detection unit 72 collect the voltage of the microwave signal through the corresponding forward coupler 61 and reverse coupler 62 respectively, and send it to the first signal in the main control unit 10 Determine the module.
  • the first determination module can determine the frequency of the microwave signal by analyzing the voltage of the collected microwave signal, and then determine the inflection point frequency, and then use the time point when the inflection point frequency occurs as the initial time point, and the initial time point
  • the temperature is the specific temperature (when the tobacco medium is determined, its corresponding specific temperature is also determined).
  • the present invention also constructs a program product, which includes a processor that implements the above-described steps of the heating control method of the heat-not-burn device when executing the stored computer program.
  • the processor may be a central processing unit (Central Processing Unit, CPU), or other general-purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • the general processor can be a microprocessor or any conventional processor.
  • any heat-not-burn device provided by the embodiments of the present invention can be implemented.
  • the beneficial effects that can be achieved by the heating control method of the device are detailed in the previous embodiments and will not be described again here.
  • the present invention also constructs a storage medium, which stores a computer program. When executed by a processor, the computer program implements the above-described steps of the heating control method of the heat-not-burn device.
  • the storage medium may include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), magnetic disk or optical disk and other various computer storage media that can store program codes.
  • the computer program stored in the storage medium can implement the steps of the heating control method of any heat-not-burn device provided by the embodiments of the present invention when executed, it is possible to implement the steps provided by the embodiments of the present invention.
  • the beneficial effects that can be achieved by any heating control method of the heat-not-burn device are detailed in the previous embodiments and will not be described again here.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Resistance Heating (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

一种加热不燃烧装置及其加热控制方法、程序产品、存储介质，加热控制方法包括：在采用微波方式对烟草介质进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定烟草介质达到特定温度时所对应的初始时间点（S10）；根据特定温度及预设的目标温度，确定烟草介质从初始时间点开始的需求能量（S20）；根据需求能量控制微波源单元的输出功率和/或输出时间，以使烟草介质的温度达到目标温度（S30）。

Description

加热不燃烧装置及其加热控制方法、程序产品、存储介质 技术领域
本发明涉及雾化设备领域，尤其涉及一种加热不燃烧装置及其加热控制方法、程序产品、存储介质。
 背景技术
HNB（Heat Not Burning，加热不燃烧）器具可采用微波加热烟草介质，为了实现精准测温，往往在器具上行成一个凸起部，并将热敏电阻等测温器件设置在凸起部中。在HNB器具工作时，若用户插入烟草介质，该凸起部分会相应插入烟草介质中，进而实现烟草介质的测温。但是，现有方案在烟草介质加热过程中会造成凸起部的污染，从而需要对其定期清理，造成用户体验不便，且存在用户清理时用力过猛，造成凸起部损坏的情况。
 技术问题
本发明要解决的技术问题在于，现有技术存在的需要定期清理凸起部的缺陷。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：构造一种加热不燃烧装置的加热控制方法，包括：
在采用微波加热方式对烟草介质进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点；
根据所述特定温度及预设的目标温度，确定所述烟草介质从所述初始时间点开始的需求能量；
根据所述需求能量控制微波源单元的输出功率和/或输出时间，以使所述烟草介质的温度达到所述目标温度。
优选地，还包括：
在所述烟草介质的温度达到所述目标温度的过程中，根据所述微波源单元实时的输出功率及输出时间，计算所述微波单元从所述初始时间点至当前时间点的输出能量；
根据所述输出能量及所述特定温度，确定所述烟草介质在当前时间点的温度；
判断所计算的当前时间点的温度是否与预设的温度曲线中当前时间点的设定温度一致；
在不一致时，调整所述微波源单元的输出功率和/或输出时间。
优选地，确定所述烟草介质在当前时间点的温度，包括：
采用公式计算的方式，确定所述烟草介质在当前时间点的温度；或者，
采用查表的方式，确定所述烟草介质在当前时间点的温度。
优选地，在不一致时，调整所述微波源单元的输出功率和/或输出时间，包括：
将所计算的当前时间点的温度与预设的温度曲线中当前时间点的设定温度进行比较；
若所计算的当前时间点的温度大于所述设定温度，则控制所述微波源单元降低输出功率和/或减少输出时间；
若所计算的当前时间点的温度小于所述设定温度，则控制所述微波源单元提高输出功率。
优选地，根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点，包括：
根据实时检测的频率确定出拐点频率，并将所述拐点频率所对应的时间点作为初始时间点；
将所述烟草介质在所述初始时间点处的温度确定为所述特定温度。
优选地，根据实时检测的频率确定出拐点频率，包括：
将实时检测的频率中最大的频率作为拐点频率。
本发明还构造一种程序产品，包括处理器，所述处理器在执行所存储的计算机程序时实现以上所述的加热不燃烧装置的加热控制方法的步骤。
本发明还构造一种存储介质，存储有计算机程序，所述计算机程序在被处理器执行时实现以上所述的加热不燃烧装置的加热控制方法的步骤。
本发明还构造一种加热不燃烧装置，包括微波源单元及烟草介质，还包括：
第一确定模块，用于在采用微波加热方式对烟草介质进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点；
第二确定模块，用于根据所述特定温度及预设的目标温度，确定所述烟草介质从所述初始时间点开始的需求能量；
控制模块，用于根据所述需求能量控制所述微波源单元的输出功率和/或输出时间，以使所述烟草介质的温度达到所述目标温度。
优选地，还包括：
计算模块，用于在所述烟草介质的温度达到所述目标温度的过程中，根据所述微波源单元实时的输出功率及输出时间，计算所述微波单元从所述初始时间点至当前时间点的输出能量；
第三确定模块，用于根据所述输出能量及所述特定温度，确定所述烟草介质在当前时间点的温度；
判断模块，用于判断所计算的当前时间点的温度是否与预设的温度曲线中当前时间点的设定温度一致；
调整模块，用于在不一致时，调整所述微波源单元的输出功率和/或输出时间。
优选地，还包括：环形器、辐射单元、正向耦合器、反向耦合器、正向检波单元、反向检波单元，其中，所述微波源单元的输出端连接所述环形器的第一端，所述环形器的第二端连接所述辐射单元，且所述烟草介质位于所述辐射单元的辐射范围内，所述正向耦合器与所述反向耦合器的第一端分别连接所述环形器的第三端，所述正向耦合器的第二端连接所述正向检波单元的输入端，所述反向耦合器的第二端连接所述反向检波单元的输入端，所述正向检波单元的输出端及所述反向检波单元的输出端分别连接所述第一确定模块。
 有益效果
实施本发明的技术方案，由于可根据实时检测的频率确定烟草介质达到特定温度时所对应的初始时间点，即，检测出在该初始时间点时烟草介质的温度（特定温度），所以，在对烟草介质测温时，不再需要在加热不燃烧装置中加装热敏电阻等测温器件，也就不需要在加热不燃烧装置上设置用于容置热测温器件的凸起部，这对用户来讲，可省去定期清理凸起部的工作，既提高了用户体验，又可避免凸起部因清理而造成的损坏。
 附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明加热不燃烧装置的加热控制方法实施例一的流程图；
图2是计算所得到的温度曲线与实测的温度曲线的示意图；
图3是本发明加热不燃烧装置实施例一的逻辑结构图；
图4是本发明加热不燃烧装置实施例二的逻辑结构图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
图1是本发明加热不燃烧装置的加热控制方法实施例一的流程图，该实施例的加热控制方法包括以下步骤：
步骤S10，在采用微波加热方式对烟草介质进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点；
步骤S20，根据所述特定温度及预设的目标温度（例如为225℃），确定所述烟草介质从所述初始时间点开始的需求能量；
步骤S30，根据所述需求能量控制微波源单元的输出功率和/或输出时间，以使所述烟草介质的温度达到所述目标温度。
关于该实施例，需说明的是，在对烟草介质进行微波加热的环境下，随着烟草介质温度的上升（例如从室温开始上升），会引起烟草介质的介电常数的变化，而介电常数中的实部是真正的介电常数，会进一步影响电磁波的波长。又因为电磁波的波长与频率成反比，所以介电常数的实部变化会影响微波信号频率的变化。对于某一加热不燃烧装置，其所装设的烟草介质是确定的，具有唯一的特定温度，该特定温度对应唯一的微波信号频率，因此，可通过实时检测微波信号的频率来确定烟草介质达到特定温度时的时间点（初始时间点）。当确定出烟草介质的特定温度后，便可结合目标温度确定从初始时间点开始需要向烟草介质提供的能量（需求能量），最后，可根据该需求能量控制微波源单元的输出功率和/或输出时间，以使所述烟草介质的温度达到所述目标温度。
在该实施例中，由于可根据实时检测的频率确定烟草介质达到特定温度时所对应的初始时间点，即，检测出在该初始时间点时烟草介质的温度（特定温度），所以，在对烟草介质测温时，不再需要在加热不燃烧装置中加装热敏电阻等测温器件，也就不需要在加热不燃烧装置上设置用于容置热测温器件的凸起部，这对用户来讲，可省去定期清理凸起部的工作，既提高了用户体验，又可避免凸起部因清理而造成的损坏。
进一步地，在一个可选实施例中，本发明的加热控制方法还包括：
在所述烟草介质的温度达到所述目标温度的过程中，根据所述微波源单元实时的输出功率及输出时间，计算所述微波单元从所述初始时间点至当前时间点的输出能量；
根据所述输出能量及所述特定温度，确定所述烟草介质在当前时间点的温度；
判断所计算的当前时间点的温度是否与预设的温度曲线中当前时间点的设定温度一致；
在不一致时，调整所述微波源单元的输出功率和/或输出时间。
在该实施例中，在从初始时间点（烟草介质达到特定温度的时间点）开始至烟草介质达到目标温度的过程中，还可定时或不定时地根据已经输出的能量（输出能量）反推出烟草介质在当前时间点的温度，具体地：由于从初始时间点至当前时间点的时段内的输出功率及输出时间是确定的，所以可根据该输出功率及输出时间计算已经输出的输出能量。而输出能量又与从初始时间点至当前时间点的时段内的温度差有关，所以，可根据输出能量及特定温度计算出当前时间点的温度。然后，再将所计算出的温度与温度曲线中相应时间点的设定温度进行比较，若两者不一致，则可调整微波源单元的输出，使烟草介质的实际推算温度与温度曲线保持一致，从而保证抽吸口感和气溶胶的质量。而且，该实施例通过软件推算的方法来实现烟草介质的测温，经测试，准确度较高，如图2所示，曲线L1为使用该实施例的测温方式计算所得到的温度曲线，曲线L2为实测的温度曲线。
进一步地，可通过以下方式来确定所述烟草介质在当前时间点的温度：1.采用公式计算的方式；2.采用查表的方式。在该实施例中，可预先存储能量与温度的关系公式或能量与温度差（当前时间点的温度与特定温度的差值）的关系表，当计算出已经输出的能量后，可通过能量与温度的关系公式计算出当前时间点的温度，或者，通过对能量与温度差的关系表进行查表来获取当前时间点的温度。
进一步地，在不一致时，调整所述微波源单元的输出功率和/或输出时间，可具体包括：
将所计算的当前时间点的温度与预设的温度曲线中当前时间点的设定温度进行比较；
若所计算的当前时间点的温度大于所述设定温度，则控制所述微波源单元降低输出功率和/或减少输出时间；
若所计算的当前时间点的温度小于所述设定温度，则控制所述微波源单元提高输出功率。
在该实施例中，当将所计算的当前时间点的温度与预设的温度曲线中当前时间点的设定温度进行比较后，可能出现以下三种比较结果：1. 所计算的温度大于设定温度，说明烟草介质的实际温度过高，此时可降低微波源单元的输出功率和/或减少输出时间；2. 所计算的温度小于设定温度，说明烟草介质的实际温度过低，此时可提高微波源单元的输出功率；3. 所计算的温度等于设定温度，说明烟草介质的实际温度刚好合适，不需要对输出功率和/或输出时间做调整。
进一步地，在一个可选实施例中，步骤S10中，根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点，包括：
根据实时检测的频率确定出拐点频率，并将所述拐点频率所对应的时间点作为初始时间点；
将所述烟草介质在所述初始时间点处的温度确定为所述特定温度。
进一步地，可根据以下方式确定拐点频率：将实时检测的频率中最大的频率作为拐点频率。在此需说明的是，在进行跟频检测后，可对检测到的多个频率进行排序，找出其中的最大值，该最大值极为拐点频率；也可将检测到的多个频率按时间做成频率曲线，很明显为开口向下的抛物线，该抛物线的最大值即为拐点频率。
在该实施例中，在对烟草介质进行微波加热的环境下，如表1所示，随着烟草介质温度的上升，烟草介质的介电常数的实部会先逐步增大再逐步降低，而介电常数中的实部又会影响电磁波的波长，且电磁波的波长与频率成反比，所以介电常数的实部变化会影响微波信号频率的变化，且频率的拐点对应烟草介质的介电常数实部变化的拐点，即，3.85，进而确定出介电常数实部变化的拐点所对应的温度（特定温度）为100℃，因此，可将出现频率拐点那一刻的温度确定为特定温度。
表1
图3是本发明加热不燃烧装置实施例一的逻辑结构图，该实施例的加热不燃烧装置包括主控单元10、微波源单元20、烟草介质30，其中，微波源单元20可包括用于产生微波信号的微波信号源，以及用于对所产生的微波信号进行功率放大的功率放大器。烟草介质30可容置在加热腔内，且加热腔在微波信号的辐射范围内。主控单元10包括第一确定模块11、第二确定模块12和控制模块13，而且，第一确定模块11用于在采用微波加热方式对烟草介质30进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定所述烟草介质30达到特定温度时所对应的初始时间点；第二确定模块12用于根据所述特定温度及预设的目标温度，确定所述烟草介质30从所述初始时间点开始的需求能量；控制模块13用于根据所述需求能量控制所述微波源单元20的输出功率和/或输出时间，以使所述烟草介质30的温度达到所述目标温度。
进一步地，主控单元10还可进一步包括：计算模块、第三确定模块、判断模块和调整模块，而且，计算模块用于在所述烟草介质的温度达到所述目标温度的过程中，根据所述微波源单元实时的输出功率及输出时间，计算所述微波单元从所述初始时间点至当前时间点的输出能量；第三确定模块用于根据所述输出能量及所述特定温度，确定所述烟草介质在当前时间点的温度；判断模块用于判断所计算的当前时间点的温度是否与预设的温度曲线中当前时间点的设定温度一致；调整模块用于在不一致时，调整所述微波源单元的输出功率和/或输出时间。
应理解，对于第一确定模块11、第二确定模块12、控制模块13、计算模块、第三确定模块、判断模块和调整模块，可将这些模块集成在主控单元10中实现，也可由多个独立的模块实现。
图4是本发明加热不燃烧装置实施例二的逻辑结构图，该实施例的加热不燃烧装置包括主控单元10、微波源单元20、烟草介质，还包括有：环形器40、辐射单元50、正向耦合器61、反向耦合器62、正向检波单元71、反向检波单元72，其中，微波源单元20的输出端连接环形器40的第一端，环形器40的第二端连接辐射单元50，且烟草介质位于辐射单元50的辐射范围内，正向耦合器61与反向耦合器62的第一端分别连接环形器40的第三端，正向耦合器61的第二端连接正向检波单元71的输入端，反向耦合器62的第二端连接反向检波单元72的输入端，正向检波单元71的输出端及反向检波单元72的输出端分别主控单元10中的第一确定模块，另外，主控单元10中的控制模块连接微波源单元20的输入端。
在该实施例中，微波源单元20在主控单元10的控制下输出相应的微波信号，该微波信号经环形器40后传送至辐射单元50，辐射单元50开始辐射该微波信号，而加热腔中的烟草介质由于处于辐射单元50的辐射范围内，因此可进行发热。同时，烟草介质的温度会引起烟草介质的介电常数的实部的变化，进而影响微波信号的频率的变化。在进行跟频检测时，正向检波单元71、反向检波单元72分别通过相应的正向耦合器61、反向耦合器62采集微波信号的电压，并送入主控单元10中的第一确定模块。该第一确定模块通过对所采集的微波信号的电压进行分析，可确定出微波信号的频率，然后再确定出拐点频率，进而将出现拐点频率的时间点作为初始时间点，而该初始时间点的温度即为特定温度（在烟草介质确定的情况下，其所对应的特定温度也是确定的）。
本发明还构造一种程序产品，该程序产品包括处理器，该处理器在执行所存储的计算机程序时实现以上所述的加热不燃烧装置的加热控制方法的步骤。
应当理解，在本申请实施例中，处理器可以是中央处理单元（Central Processing Unit，CPU），还可以是其他通用处理器、数字信号处理器 (Digital Signal Processor，DSP)、专用集成电路 (Application Specific Integrated Circuit，ASIC)、现成可编程门阵列 (Field-Programmable Gate Array，FPGA) 或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。其中，通用处理器可以是微处理器，也可以是任何常规的处理器等。
而且，由于处理器在执行计算机程序时可实现本发明实施例所提供的任一种加热不燃烧装置的加热控制方法的步骤，因此，可以实现本发明实施例所提供的任一种加热不燃烧装置的加热控制方法所能实现的有益效果，详见前面的实施例，在此不再赘述。
本发明还构造一种存储介质，该存储介质存储有计算机程序，该计算机程序在被处理器执行时实现以上所述的加热不燃烧装置的加热控制方法的步骤。
应当理解，该存储介质可以包括：U盘、移动硬盘、只读存储器（Read-Only Memory，ROM）、磁碟或者光盘等各种可以存储程序代码的计算机存储介质。而且，由于该存储介质中所存储的计算机程序在被执行时可实现本发明实施例所提供的任一种加热不燃烧装置的加热控制方法的步骤，因此，可以实现本发明实施例所提供的任一种加热不燃烧装置的加热控制方法所能实现的有益效果，详见前面的实施例，在此不再赘述。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的权利要求范围之内。 

Claims (11)

  1. 一种加热不燃烧装置的加热控制方法，其特征在于，包括：
    在采用微波加热方式对烟草介质进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点；
    根据所述特定温度及预设的目标温度，确定所述烟草介质从所述初始时间点开始的需求能量；
    根据所述需求能量控制微波源单元的输出功率和/或输出时间，以使所述烟草介质的温度达到所述目标温度。
  2. 根据权利要求1所述的加热不燃烧装置的加热控制方法，其特征在于，还包括：
    在所述烟草介质的温度达到所述目标温度的过程中，根据所述微波源单元实时的输出功率及输出时间，计算所述微波单元从所述初始时间点至当前时间点的输出能量；
    根据所述输出能量及所述特定温度，确定所述烟草介质在当前时间点的温度；
    判断所计算的当前时间点的温度是否与预设的温度曲线中当前时间点的设定温度一致；
    在不一致时，调整所述微波源单元的输出功率和/或输出时间。
  3. 根据权利要求2所述的加热不燃烧装置的加热控制方法，其特征在于，确定所述烟草介质在当前时间点的温度，包括：
    采用公式计算的方式，确定所述烟草介质在当前时间点的温度；或者，
    采用查表的方式，确定所述烟草介质在当前时间点的温度。
  4. 根据权利要求2所述的加热不燃烧装置的加热控制方法，其特征在于，在不一致时，调整所述微波源单元的输出功率和/或输出时间，包括：
    将所计算的当前时间点的温度与预设的温度曲线中当前时间点的设定温度进行比较；
    若所计算的当前时间点的温度大于所述设定温度，则控制所述微波源单元降低输出功率和/或减少输出时间；
    若所计算的当前时间点的温度小于所述设定温度，则控制所述微波源单元提高输出功率。
  5. 根据权利要求1所述的加热不燃烧装置的加热控制方法，其特征在于，根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点，包括：
    根据实时检测的频率确定出拐点频率，并将所述拐点频率所对应的时间点作为初始时间点；
    将所述烟草介质在所述初始时间点处的温度确定为所述特定温度。
  6. 根据权利要求5所述的加热不燃烧装置的加热控制方法，其特征在于，根据实时检测的频率确定出拐点频率，包括：
    将实时检测的频率中最大的频率作为拐点频率。
  7. 一种程序产品，包括处理器，其特征在于，所述处理器在执行所存储的计算机程序时实现权利要求1-6任一项所述的加热不燃烧装置的加热控制方法的步骤。
  8. 一种存储介质，存储有计算机程序，其特征在于，所述计算机程序在被处理器执行时实现权利要求1-6任一项所述的加热不燃烧装置的加热控制方法的步骤。
  9. 一种加热不燃烧装置，包括微波源单元及烟草介质，其特征在于，还包括：
    第一确定模块，用于在采用微波加热方式对烟草介质进行加热时，实时检测微波信号的频率，并根据实时检测的频率确定所述烟草介质达到特定温度时所对应的初始时间点；
    第二确定模块，用于根据所述特定温度及预设的目标温度，确定所述烟草介质从所述初始时间点开始的需求能量；
    控制模块，用于根据所述需求能量控制所述微波源单元的输出功率和/或输出时间，以使所述烟草介质的温度达到所述目标温度。
  10. 根据权利要求9所述的加热不燃烧装置，其特征在于，还包括：
    计算模块，用于在所述烟草介质的温度达到所述目标温度的过程中，根据所述微波源单元实时的输出功率及输出时间，计算所述微波单元从所述初始时间点至当前时间点的输出能量；
    第三确定模块，用于根据所述输出能量及所述特定温度，确定所述烟草介质在当前时间点的温度；
    判断模块，用于判断所计算的当前时间点的温度是否与预设的温度曲线中当前时间点的设定温度一致；
    调整模块，用于在不一致时，调整所述微波源单元的输出功率和/或输出时间。
  11. 根据权利要求9所述的加热不燃烧装置，其特征在于，还包括：环形器、辐射单元、正向耦合器、反向耦合器、正向检波单元、反向检波单元，其中，所述微波源单元的输出端连接所述环形器的第一端，所述环形器的第二端连接所述辐射单元，且所述烟草介质位于所述辐射单元的辐射范围内，所述正向耦合器与所述反向耦合器的第一端分别连接所述环形器的第三端，所述正向耦合器的第二端连接所述正向检波单元的输入端，所述反向耦合器的第二端连接所述反向检波单元的输入端，所述正向检波单元的输出端及所述反向检波单元的输出端分别连接所述第一确定模块。
PCT/CN2022/116231 2022-08-31 2022-08-31 加热不燃烧装置及其加热控制方法、程序产品、存储介质 Ceased WO2024045050A1 (zh)

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