WO2021047423A1 - 一种电子烟具及其加热方法、计算机存储介质 - Google Patents

一种电子烟具及其加热方法、计算机存储介质 Download PDF

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Publication number
WO2021047423A1
WO2021047423A1 PCT/CN2020/112869 CN2020112869W WO2021047423A1 WO 2021047423 A1 WO2021047423 A1 WO 2021047423A1 CN 2020112869 W CN2020112869 W CN 2020112869W WO 2021047423 A1 WO2021047423 A1 WO 2021047423A1
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Prior art keywords
heating element
heating
current
temperature value
value
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PCT/CN2020/112869
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English (en)
French (fr)
Inventor
胡昌河
窦恒恒
李亚飞
张幸福
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深圳麦时科技有限公司
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Application filed by 深圳麦时科技有限公司 filed Critical 深圳麦时科技有限公司
Priority to JP2022513691A priority Critical patent/JP2022545964A/ja
Priority to KR1020227010910A priority patent/KR20220056227A/ko
Priority to EP20862742.2A priority patent/EP4029391A4/en
Publication of WO2021047423A1 publication Critical patent/WO2021047423A1/zh
Priority to US17/693,359 priority patent/US20220192276A1/en

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
    • 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
    • A24F40/57—Temperature control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • 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
    • A24F40/60—Devices with integrated user interfaces
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature

Definitions

  • This application relates to the field of heating and non-combustion technology, in particular to an electronic cigarette, a heating method thereof, and a computer storage medium.
  • each type of aerosol generating substrate is set to correspond to a heating curve.
  • how to quickly and accurately adjust the temperature of the heating element through the heating curve has become an urgent problem to be solved.
  • the present application provides an electronic cigarette, a heating method thereof, and a computer storage medium, which can quickly and accurately control the temperature of the heating element of the electronic cigarette, so as to improve the performance of the electronic cigarette.
  • a technical solution adopted in this application is to provide a heating method for an electronic cigarette, the electronic cigarette at least including a heating element, the heating element is used to heat the aerosol generating substrate, the heating method includes: obtaining the current electrical characteristics of the heating element Value; Determine the current temperature value of the heating element based on the current electrical characteristic value and the heating element parameters obtained in advance; Among them, the heating element parameter represents the corresponding relationship between the electrical characteristic value of the heating element and the temperature value; based on the current heating time and current temperature value , And pre-acquired heating parameters to adjust the current temperature value of the heating element; wherein the heating parameter represents the corresponding relationship between the heating time and the temperature value.
  • obtaining the current electrical characteristic value of the heating element includes: obtaining the current resistance value of the heating element, the heating element parameter indicates the corresponding relationship between the resistance value of the heating element and the temperature value; based on the current electrical characteristic value and the heating element parameters obtained in advance, Determining the current temperature value of the heating element includes: determining the current temperature value of the heating element based on the current resistance value and the heating element parameters.
  • the electronic cigarette also includes a characteristic resistance connected in series with the heating element, the resistance value of the characteristic resistance is known; obtaining the current resistance value of the heating element includes: detecting the voltage value at both ends of the heating element and the voltage value at both ends of the characteristic resistance, and based on the characteristic The resistance value of the resistor is used to calculate the current resistance value of the heating element.
  • the heating element parameter is a table of the correspondence between the resistance value of the heating element and the temperature; based on the current resistance value and the heating element parameters, the current temperature value of the heating element is determined, including: the correspondence between the resistance value of the heating element and the temperature obtained in advance In the relationship table, look up the temperature value corresponding to the current resistance value as the current temperature value of the heating element.
  • the current temperature value of the heating element is adjusted based on the current heating time, the current temperature value, and the heating parameters obtained in advance, including: obtaining the current heating time; determining the standard temperature value corresponding to the current heating time based on the heating parameters; Adjust the current temperature value based on the standard temperature value.
  • the electronic cigarette also includes a power supply and a controller.
  • the controller is connected to the power supply and the heating element to control the power supply to provide electrical energy to the heating element; the current temperature value is adjusted based on the standard temperature value, including: the current temperature value is lower than the standard temperature value, Then the power supply to the heating element is increased, and the current temperature value is higher than the standard temperature value, then the power supply to the heating element is reduced.
  • the controller provides pulse voltage to the heating body; increasing the power supply to the heating body includes: increasing the duty ratio of the pulse voltage; reducing the power supply to the heating body includes: reducing the duty ratio of the pulse voltage.
  • an electronic cigarette which includes: a power supply; a heating element for heating the aerosol generating substrate; and a memory for storing heating element parameters and heating parameters of the heating element
  • the heating element parameter represents the corresponding relationship between the electrical characteristic value of the heating element and the temperature value
  • the heating parameter represents the corresponding relationship between the heating time and the temperature value
  • the controller connected to the power supply and the heating element, is used to obtain the current electrical characteristic value of the heating element,
  • the current temperature value of the heating element is determined based on the current electrical characteristic value and the heating element parameters obtained in advance, and the current temperature value of the heating element is adjusted based on the current heating time, the current temperature value, and the heating parameters obtained in advance.
  • the electronic cigarette also includes a characteristic resistor connected in series with the heating element, and the resistance value of the characteristic resistance is known; the controller is also used to detect the voltage value at both ends of the heating element and the voltage value at both ends of the characteristic resistance, and based on the resistance value of the characteristic resistance, Calculate the resistance value of the heating element.
  • Another technical solution adopted in this application is to provide a computer storage medium in which program data is stored, and the program data is used to implement the above-mentioned method when the program data is executed by a processor.
  • the heating method of the electronic cigarette provided in this application includes: obtaining the current electrical characteristic value of the heating element; determining the current temperature value of the heating element based on the current electrical characteristic value and the heating element parameters obtained in advance; wherein, the heating element parameter represents the heating element The corresponding relationship between the electrical characteristic value and the temperature value; the current temperature value of the heating element is adjusted based on the current heating time, the current temperature value, and the heating parameter obtained in advance; where the heating parameter represents the corresponding relationship between the heating time and the temperature value.
  • the temperature value of the heating element can be obtained to determine whether the temperature value of the heating element is normal, and the temperature of the heating element can be controlled to realize the rapid and accurate adjustment of the temperature of the heating element, so that the heating element can better produce aerosol
  • the substrate is heated to improve the quality of the aerosol-generating substrate, which is conducive to improving the performance of the electronic cigarette.
  • Fig. 1 is a schematic structural diagram of a first embodiment of an electronic cigarette provided by the present application
  • FIG. 2 is a schematic flowchart of the first embodiment of the heating method of the electronic cigarette provided by the present application
  • Fig. 3 is a schematic structural diagram of a second embodiment of the electronic cigarette provided by the present application.
  • Figure 4 is a schematic diagram of a heating curve provided by the present application.
  • Figure 5 is a schematic diagram of another heating curve provided by the present application.
  • FIG. 6 is a schematic diagram of the flow of step 23;
  • Fig. 7 is a schematic diagram of the pulse voltage provided by the present application.
  • FIG. 8 is a schematic structural diagram of a computer storage medium provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a first embodiment of an electronic smoking set provided by the present application.
  • the electronic smoking set 10 includes a controller 11, a heating element 12 connected to the controller 11, a memory 13, and a power supply 14.
  • the controller 11 uses the power supply 14 to provide electrical energy to the heating element 12 to heat the heating element 12, and further heats the aerosol generating substrate contacting the heating element 12 through the heating element 12, thereby generating aerosol .
  • the aerosol generating substrate may be solid tobacco or liquid smoke liquid, which is not required here.
  • the memory 13 stores heating element parameters and heating parameters.
  • the controller 11 is used to obtain the current electrical characteristic value of the heating element, and determine the current temperature value of the heating element based on the current electrical characteristic value and the heating element parameters obtained in advance, And based on the current heating time, the current temperature value, and the heating parameters obtained in advance, the current temperature value of the heating element is adjusted. In the following embodiments, the process will be described in detail.
  • Fig. 2 is a schematic flowchart of a first embodiment of a heating method for an electronic cigarette provided by the present application, and the method includes:
  • Step 21 Obtain the current electrical characteristic value of the heating element.
  • the heating element is a resistance heating element
  • the electrical characteristic value may be the resistance value of the heating element, the voltage value across the heating element, or the current value of the current passing through the heating element.
  • the resistance value as an example, you can detect the voltage across the heating element and the current through the heating element, and pass To calculate the resistance value of the heating element.
  • the partial pressure method may be used to calculate the resistance value of the heating element, as shown in FIG. 3, which is a schematic structural diagram of the second embodiment of the electronic cigarette provided by the present application.
  • the electronic cigarette 10 It includes a controller 11, a heating element 12 connected to the controller 11, a memory 13, and a power source 14. Wherein, the heating element 12 is connected in series with a resistor.
  • the resistance value of the heating element 12 is R1
  • the resistance value of the resistor connected in series with the heating element 12 is R2
  • one end of the heating element 12 is connected to the positive electrode of the power supply, the other end is connected in series with the resistor, and the other end of the resistor is grounded.
  • the positive electrode voltage of the heating element 12 is V1
  • the negative electrode voltage is V2, then:
  • the resistance value R1 of the heating element 12 can be calculated.
  • Step 22 Determine the current temperature value of the heating element based on the current electrical characteristic value and the heating element parameter obtained in advance; wherein the heating element parameter represents the corresponding relationship between the electrical characteristic value and the temperature value of the heating element.
  • the electrical characteristic value As the resistance value as an example. Due to the influence of factors such as the material, process, and manufacturing equipment of the heating element, the heating element parameters (such as "temperature T-resistance R" curve, initial resistance value R0, TCR (temperature The coefficient of resistance, temperature coefficient of resistance, etc.) are different. When the product is produced, the heating element is placed in the test device to test the heating element parameters of different types of heating elements.
  • the above shows the corresponding relationship between the resistance value and temperature of a heating element.
  • the temperature value is used as the current temperature value of the heating element.
  • Step 23 Adjust the current temperature value of the heating element based on the current heating time, the current temperature value, and the heating parameter obtained in advance; where the heating parameter represents the corresponding relationship between the heating time and the temperature value.
  • the required heating temperature is different in different time periods.
  • FIG. 4 is a schematic diagram of a heating curve provided by the present application, wherein the abscissa represents time and the ordinate represents temperature.
  • the temperature of the heating element is lowered, and its temperature is lowered from W2 to normal temperature.
  • the value of T1 can be 5-10s
  • the value of T2 can be 12-18s
  • the value of W1 can be 320-360°C
  • the value of W2 can be 300-340 °C.
  • T1 7s
  • T2 15s
  • W1 340°C
  • W2 320°C
  • a set of heating parameters may be provided in advance to indicate the temperature corresponding to different heating times, as shown in the following table:
  • FIG. 5 is a schematic diagram of another heating curve provided by this application, where the abscissa represents time and the ordinate represents temperature. For example, at 0 milliseconds, the corresponding actual temperature cannot reach 345°C.
  • step 23 may specifically include:
  • Step 231 Obtain the current heating time.
  • the heating time refers to the time when the electronic cigarette is working. For example, when the electronic cigarette starts working, the first time is recorded, and then when the heating element is to be controlled, the current second time is obtained, and then the difference between the second time and the first time is used to determine the heating time.
  • Step 232 Determine the standard temperature value corresponding to the current heating time based on the heating parameter.
  • Step 233 Adjust the current temperature value based on the standard temperature value.
  • the power supply to the heating element is increased, and when the current temperature value is higher than the standard temperature value, the power supply to the heating element is reduced.
  • the controller provides pulse voltage to the heating element.
  • it can include changing the pulse frequency and/or pulse amplitude and/or duty cycle of the power supplied to the heating element to provide temperature control of the heating element, and thus to control the aerosol
  • the device releases smoke with a better taste.
  • Fig. 7 is a schematic diagram of the pulse voltage provided by the present application.
  • the enable switch is turned on during t1
  • the battery provides electric energy to the heating element
  • the enable switch is closed during t2
  • the battery does not provide electric energy to the heating element. Therefore, the temperature of the heating element can be adjusted by adjusting the percentage of t1 in the period T. Specifically, increasing the duty ratio of t1, the temperature of the heating element increases, and decreasing the duty ratio of t1, the temperature of the heating element decreases.
  • the heating method of the electronic cigarette includes: obtaining the current electrical characteristic value of the heating element; determining the current temperature value of the heating element based on the current electrical characteristic value and the heating element parameters obtained in advance; wherein, The heating element parameter represents the corresponding relationship between the electrical characteristic value of the heating element and the temperature value; the current temperature value of the heating element is adjusted based on the current heating time, the current temperature value, and the heating parameters obtained in advance; where the heating parameter represents the heating time Correspondence with temperature value.
  • the temperature value of the heating element can be obtained to determine whether the temperature value of the heating element is normal, and the temperature of the heating element can be controlled to realize the rapid and accurate adjustment of the temperature of the heating element, so that the heating element can better produce aerosol
  • the substrate is heated to improve the quality of the aerosol-generating substrate, which is conducive to improving the performance of the electronic cigarette.
  • FIG. 8 is a schematic structural diagram of a computer storage medium provided by an embodiment of the present application.
  • the computer storage medium 80 stores program data 81, and the program data is used to implement the following method when being executed by a processor:
  • the current electrical characteristic value of the heating element determines the current temperature value of the heating element based on the current electrical characteristic value and the heating element parameters obtained in advance; where the heating element parameter represents the corresponding relationship between the electrical characteristic value of the heating element and the temperature value;
  • the current heating time, current temperature value, and pre-acquired heating parameters are used to adjust the current temperature value of the heating element; among them, the heating parameter represents the corresponding relationship between the heating time and the temperature value.
  • the program data when executed by the processor, it is also used to implement the following method: obtain the current resistance value of the heating element, and the heating element parameters represent the resistance value and temperature value of the heating element Correspondence; based on the current resistance value and heating element parameters, determine the current temperature value of the heating element.
  • the program data when executed by the processor, it is also used to implement the following method: detecting the voltage value at both ends of the heating element and the voltage value at both ends of the characteristic resistance, and based on the resistance of the characteristic resistance Value, calculate the current resistance value of the heating element.
  • the program data when executed by the processor, it is also used to implement the following method: from a table of the correspondence between the resistance value and the temperature of the heating element obtained in advance, search for the current resistance The temperature value corresponding to the value is used as the current temperature value of the heating element.
  • the program data when executed by the processor, it is further used to implement the following method: obtain the current heating time; determine the standard temperature value corresponding to the current heating time based on the heating parameter; The standard temperature value adjusts the current temperature value.
  • the program data when executed by the processor, it is also used to implement the following method: if the current temperature value is lower than the standard temperature value, the power supply to the heating element is increased, and the current temperature value If the temperature is higher than the standard value, the power supply to the heating element will be reduced.
  • the program data when executed by the processor, it is also used to implement the following method: increase the duty cycle of the pulse voltage; or decrease the duty cycle of the pulse voltage.
  • the disclosed method and device may be implemented in other ways.
  • the device implementation described above is only illustrative.
  • the division of the modules or units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be Combined or can be integrated into another system, or some features can be ignored or not implemented.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of this embodiment.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
  • the integrated unit in the other embodiments described above is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions to enable a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

一种电子烟具（10）及其加热方法、计算机存储介质，该电子烟具（10）至少包括发热体（12），发热体（12）用于对气雾产生基质进行加热，该加热方法包括：获取发热体（12）的当前电学特征值；基于当前电学特征值和预先获取的发热体参数，确定发热体（12）的当前温度值；其中，发热体参数表示发热体（12）的电学特征值和温度值的对应关系；基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体（12）的当前温度值进行调整；其中，加热参数表示加热时间和温度值的对应关系。

Description

一种电子烟具及其加热方法、计算机存储介质
本申请要求于2019年9月12日提交的申请号为2019108652504，发明名称为“一种电子烟具及其加热方法、计算机存储介质”的中国专利申请的优先权，其通过引用方式全部并入本申请。
【技术领域】
本申请涉及加热不燃烧技术领域，特别是涉及一种电子烟具及其加热方法、计算机存储介质。
【背景技术】
电子烟作为香烟的替代品，因其具有使用安全、方便、健康、环保等优点，越来越受到人们的关注和青睐。加热不燃烧电子烟，其在较低温度下工作。通过在较低的温度下对气雾产生基质进行加热雾化。
不同的气雾产生基质具有不同的加热特性，并且对于同一种气雾产生基质，在不同的时间也具有不同的加热温度。一般每一种气雾产生基质会设置对应一条加热曲线，但是，如何通过该加热曲线对发热体的温度进行快速、精确调节，成为了亟待解决的问题。
【发明内容】
为解决上述问题，本申请提供了一种电子烟具及其加热方法、计算机存储介质，能够对电子烟具的发热体的温度进行快速精确的控制，以提高电子烟具的性能。
本申请采用的一个技术方案是：提供一种电子烟具的加热方法，该电子烟具至少包括发热体，发热体用于对气雾产生基质进行加热，该加热方法包括：获取发热体的当前电学特征值；基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值；其中，发热体参数表示发热体的电学特征值和温度值的对应关系；基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整；其中，加热参数表示加热时间和温度值的对应关系。
其中，获取发热体的当前电学特征值，包括：获取发热体的当前电阻值，发热体参数表示发热体的电阻值和温度值的对应关系；基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值，包括：基于当前电阻值和发热体参数，确定发热体的当前温度值。
其中，电子烟具还包括与发热体串联的特征电阻，特征电阻的电阻值已知；获取发热体的当前电阻值，包括：检测发热体两端的电压值和特征电阻两端的电压值，并基于特征电阻的电阻值，计算发热体的当前电阻值。
其中，发热体参数为发热体的电阻值与温度的对应关系表；基于当前电阻值和发热体参数，确定发热体的当前温度值，包括：从预先获取的发热体的电阻值与温度的对应关系表中，查找与当前电阻值相对应的温度值，作为发热体的当前温度值。
其中，基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整，包括：获取当前加热时间；基于加热参数，确定当前加热时间所对应的标准温度值；基于标准温度值对当前温度值进行调整。
其中，电子烟具还包括电源和控制器，控制器连接电源和发热体，以控制电源对发热体提供电能；基于标准温度值对当前温度值进行调整，包括：当前温度值低于标准温度值，则提高对发热体的供电功率，当前温度值高于标准温度值，则降低对发热体的供电功率。
其中，控制器对发热体提供脉冲电压；提高对发热体的供电功率，包括：提高脉冲电压的占空比；降低对发热体的供电功率，包括：降低脉冲电压的占空比。
本申请采用的另一个技术方案是：提供一种电子烟具，该电子烟具包括：电源；发热体，用于对气雾产生基质进行加热；存储器，用于存储发热体的发热体参数和加热参数，发热体参数表示发热体的电学特征值和温度值的对应关系，加热参数表示加热时间和温度值的对应关系；控制器，连接电源和发热体，用于获取发热体的当前电学特征值，基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值， 并基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整。
其中，电子烟具还包括与发热体串联的特征电阻，特征电阻的电阻值已知；控制器还用于检测发热体两端的电压值和特征电阻两端的电压值，并基于特征电阻的电阻值，计算发热体的电阻值。
本申请采用的另一个技术方案是：提供一种计算机存储介质，该计算机存储介质中存储有程序数据，程序数据在被处理器执行时，用以实现如上述的方法。
本申请提供的电子烟具的加热方法包括：获取发热体的当前电学特征值；基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值；其中，发热体参数表示发热体的电学特征值和温度值的对应关系；基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整；其中，加热参数表示加热时间和温度值的对应关系。通过上述方式，能够获取发热体的温度值来判断发热体的温度值是否正常，并对发热体的温度进行控制，实现对发热体温度的快速精确调节，使发热体更好地对气雾产生基质加热，提升气雾产生基质的品质，有利于提供电子烟具的使用性能。
【附图说明】
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。其中：
图1是本申请提供的电子烟具第一实施例的结构示意图；
图2是本申请提供的电子烟具的加热方法第一实施例的流程示意图；
图3是本申请提供的电子烟具第二实施例的结构示意图；
图4是本申请提供的一种加热曲线示意图；
图5是本申请提供的另一种加热曲线示意图；
图6是步骤23的流程示意图；
图7是本申请提供的脉冲电压的示意图；
图8是本申请实施例提供的计算机存储介质的结构示意图。
【具体实施方式】
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。可以理解的是，此处所描述的具体实施例仅用于解释本申请，而非对本申请的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本申请相关的部分而非全部结构。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
参阅图1，图1是本申请提供的电子烟具第一实施例的结构示意图，该电子烟具10包括控制器11以及与所述控制器11连接的发热体12、存储器13、电源14。
其中，该控制器11利用电源14对发热体12提供电能，以使该发热体12发热，并进一步通过该发热体12对与该发热体12接触的气雾产生基质进行加热，进而产生气雾。在电子烟具10中，该气雾产生基质可以是固态烟草或者液态烟液，这里不作要求。
其中，该存储器13中存储有发热体参数和加热参数，控制器11用于获取发热体的当前电学特征值，基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值，并基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整。在下面的实施例中，会对该过程进行详述。
参阅图2，图2是本申请提供的电子烟具的加热方法第一实施例的流程示意图，该方法包括：
步骤21：获取发热体的当前电学特征值。
在一可选的实施例中，该发热体为电阻式发热体，该电学特征值可以是发热体的电阻值、发热体两端的电压值、或者经过发热体电流的电流值。
以电阻值为例，可以通过检测发热体两端的电压和经过发热体电流的电流值，并通过
Figure PCTCN2020112869-appb-000001
来计算发热体的电阻值。
在另一可选的实施例中，可以采用分压法来计算发热体的电阻值，如图3所示，图3是本申请提供的电子烟具第二实施例的结构示意图，该电子烟具10包括控制器11以及与所述控制器11连接的发热体12、存储器13、电源14。其中，该发热体12上串联一个电阻。
这里假设发热体12的电阻值为R1，与发热体12串联的电阻的电阻值为R2，发热体12的一端连接电源正极，另一端与电阻串联，电阻的另一端接地。其中，发热体12的正极电压为V1，负极电压为V2，那么：
Figure PCTCN2020112869-appb-000002
进一步对上述公式变形得到：
Figure PCTCN2020112869-appb-000003
通过上述公式，可以计算得到发热体12的电阻值R1。
步骤22：基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值；其中，发热体参数表示发热体的电学特征值和温度值的对应关系。
这里仍然以电学特征值为电阻值为例，由于发热体的材质、工艺、 制造设备等因素的影响，其发热体参数(例如“温度T-电阻R”曲线、初始电阻值R0、TCR(temperature coefficient of resistance，电阻温度系数)等)存在差异，在产品生产时，将发热体放置于测试装置，对不同型号的发热体的发热体参数进行测试。
以一个发热体的发热参数为例，如下表所示：
电阻值(毫欧) 温度(摄氏度)
827.5 90.70
885.7 118.40
993.0 142.70
981.0 167.00
1030.3 190.60
1075.3 214.20
1171.0 260.60
1265.6 305.80
1455.3 392.70
上表示出了一种发热体的电阻值和温度的对应关系，在具体的实施例中，可以从预先获取的发热体的电阻值与温度的对应关系表中，查找与当前电阻值相对应的温度值，作为发热体的当前温度值。
步骤23：基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整；其中，加热参数表示加热时间和温度值的对应关系。
可以理解的，通常为了使气雾产生基质(如烟草)加热获取更好的口感，在不同时间段所要求的加热温度是不一样的。
在一可选的实施例中，如图4所示，图4是本申请提供的一种加热曲线示意图，其中横坐标表示时间，纵坐标表示温度。
在T0-T1时间段，对发热体加热，使其温度从常温W0升至温度W1；
在T1-T2时间段，使发热体的温度保持在W1；
在T2-T3时间段，降低发热体的温度，使其温度从W1下降至温度W2；
在T3-T4时间段，使发热体的温度保持在W2；
在T4之后，降低发热体的温度，使其温度从W2下降直至到常温。
其中，在一具体的实施例中，T1的取值可以是5-10s，T2的取值可以是12-18s，W1的取值可以是320-360℃，W2的取值可以是300-340℃。
在一可选的实施例中，T1＝7s，T2＝15s，W1＝340℃，W2＝320℃，那么，假设本实施例中的发热体在温度下降1℃时，其电阻对应减少2.28mΩ，那么从温度W1下降至W2，即温度下降20℃，其阻值需要下调20*2.28mΩ。
在另一可选的实施例中，可以预先提供一组加热参数，用以表示不同加热时间对应的温度，如下表所示：
时间(10毫秒) 温度(℃)
0 345.00
600 345.00
700 345.00
1000 340.00
1010 340.00
1240 345.00
1400 355.00
3300 355.00
4500 346.00
7000 347.00
12000 348.00
18000 352.00
21400 357.00
24000 358.00
36000 362.00
上述表格表示一种理想的加热状态，在实际检测中有所偏差，如图5所示，图5是本申请提供的另一种加热曲线示意图，其中横坐标表示时间，纵坐标表示温度。例如，在0毫秒时，其对应的实际温度是达不到345℃的。
参阅图6，图6是步骤23的流程示意图，在一可选的实施例中，步 骤23可以具体包括：
步骤231：获取当前加热时间。
结合上表，加热时间是指从电子烟具工作时开始计时。例如，在电子烟具开始工作时，记录第一时间，然后在要对发热体进行控制时，获取当前的第二时间，然后利用第二时间和第一时间的差值来确定加热时间。
步骤232：基于加热参数，确定当前加热时间所对应的标准温度值。
步骤233：基于标准温度值对当前温度值进行调整。
具体地，当前温度值低于标准温度值，则提高对发热体的供电功率，当前温度值高于标准温度值，则降低对发热体的供电功率。
例如，控制器对发热体提供脉冲电压。在利用电能对发热体进行加热温度控制时，可以包括改变供应给发热体的电力的脉冲频率和/或脉冲幅度和/或占空比来提供对发热体进行温度控制，并因此得以控制气雾装置释放较佳口感的烟雾。如图7所示，图7是本申请提供的脉冲电压的示意图。举例说明，在t1时间段打开使能开关，电池对发热体提供电能，在t2时间段关闭使能开关，电池不对发热体提供电能。因此，可以通过调整t1在周期T内的百分比，就可以调整发热体的温度。具体地，增加t1的占空比，则发热体的温度升高，减小t1的占空比，则发热体的温度降低。
区别于现有技术，本实施例提供的电子烟具的加热方法包括：获取发热体的当前电学特征值；基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值；其中，发热体参数表示发热体的电学特征值和温度值的对应关系；基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整；其中，加热参数表示加热时间和温度值的对应关系。通过上述方式，能够获取发热体的温度值来判断发热体的温度值是否正常，并对发热体的温度进行控制，实现对发热体温度的快速精确调节，使发热体更好地对气雾产生基质加热，提升气雾产生基质的品质，有利于提供电子烟具的使用性能。
参阅图8，图8是本申请实施例提供的计算机存储介质的结构示意 图，该计算机存储介质80中存储有程序数据81，该程序数据在被处理器执行时，用以实现如下的方法：
获取发热体的当前电学特征值；基于当前电学特征值和预先获取的发热体参数，确定发热体的当前温度值；其中，发热体参数表示发热体的电学特征值和温度值的对应关系；基于当前加热时间、当前温度值、以及预先获取的加热参数，对发热体的当前温度值进行调整；其中，加热参数表示加热时间和温度值的对应关系。
可选地，在另一实施例中，该程序数据在被处理器执行时，还用以实现如下的方法：获取发热体的当前电阻值，发热体参数表示发热体的电阻值和温度值的对应关系；基于当前电阻值和发热体参数，确定发热体的当前温度值。
可选地，在另一实施例中，该程序数据在被处理器执行时，还用以实现如下的方法：检测发热体两端的电压值和特征电阻两端的电压值，并基于特征电阻的电阻值，计算发热体的当前电阻值。
可选地，在另一实施例中，该程序数据在被处理器执行时，还用以实现如下的方法：从预先获取的发热体的电阻值与温度的对应关系表中，查找与当前电阻值相对应的温度值，作为发热体的当前温度值。
可选地，在另一实施例中，该程序数据在被处理器执行时，还用以实现如下的方法：获取当前加热时间；基于加热参数，确定当前加热时间所对应的标准温度值；基于标准温度值对当前温度值进行调整。
可选地，在另一实施例中，该程序数据在被处理器执行时，还用以实现如下的方法：当前温度值低于标准温度值，则提高对发热体的供电功率，当前温度值高于标准温度值，则降低对发热体的供电功率。
可选地，在另一实施例中，该程序数据在被处理器执行时，还用以实现如下的方法：提高脉冲电压的占空比；或者，降低脉冲电压的占空比。
在本申请所提供的几个实施方式中，应该理解到，所揭露的方法以及设备，可以通过其它的方式实现。例如，以上所描述的设备实施方式仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能 划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为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单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施方式方案的目的。
另外，在本申请各个实施方式中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
上述其他实施方式中的集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，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)或处理器(processor)执行本申请各个实施方式所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是根据本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (16)

  1. 一种电子烟具的加热方法，其特征在于，所述电子烟具至少包括发热体，所述发热体用于对气雾产生基质进行加热，所述加热方法包括：
    获取所述发热体的当前电学特征值；
    基于所述当前电学特征值和预先获取的发热体参数，确定所述发热体的当前温度值；其中，所述发热体参数表示所述发热体的电学特征值和温度值的对应关系；
    基于当前加热时间、所述当前温度值、以及预先获取的加热参数，对所述发热体的当前温度值进行调整；其中，所述加热参数表示加热时间和温度值的对应关系。
  2. 根据权利要求1所述的方法，其特征在于，
    所述获取所述发热体的当前电学特征值，包括：
    获取所述发热体的当前电阻值，所述发热体参数表示所述发热体的电阻值和温度值的对应关系；
    所述基于所述当前电学特征值和预先获取的发热体参数，确定所述发热体的当前温度值，包括：
    基于所述当前电阻值和所述发热体参数，确定所述发热体的当前温度值。
  3. 根据权利要求2所述的方法，其特征在于，
    所述电子烟具还包括与所述发热体串联的特征电阻，所述特征电阻的电阻值已知；
    所述获取所述发热体的当前电阻值，包括：
    检测所述发热体两端的电压值和所述特征电阻两端的电压值，并基于所述特征电阻的电阻值，计算所述发热体的当前电阻值。
  4. 根据权利要求2所述的方法，其特征在于，
    所述发热体参数为所述发热体的电阻值与温度的对应关系表；
    所述基于所述当前电阻值和所述发热体参数，确定所述发热体的当前温度值，包括：
    从预先获取的所述发热体的电阻值与温度的对应关系表中，查找与所述当前电阻值相对应的温度值，作为所述发热体的当前温度值。
  5. 根据权利要求1所述的方法，其特征在于，
    所述基于当前加热时间、所述当前温度值、以及预先获取的加热参数，对所述发热体的当前温度值进行调整，包括：
    获取当前加热时间；
    基于所述加热参数，确定所述当前加热时间所对应的标准温度值；
    基于所述标准温度值对所述当前温度值进行调整。
  6. 根据权利要求5所述的方法，其特征在于，
    所述电子烟具还包括电源和控制器，所述控制器连接所述电源和所述发热体，以控制所述电源对所述发热体提供电能；
    所述基于所述标准温度值对所述当前温度值进行调整，包括：
    当所述当前温度值低于所述标准温度值，则提高对所述发热体的供电功率，当所述当前温度值高于所述标准温度值，则降低对所述发热体的供电功率。
  7. 根据权利要求6所述的方法，其特征在于，
    所述控制器对所述发热体提供脉冲电压；
    所述提高对所述发热体的供电功率，包括：
    提高所述脉冲电压的占空比；
    所述降低对所述发热体的供电功率，包括：
    降低所述脉冲电压的占空比。
  8. 一种电子烟具，其特征在于，所述电子烟具包括：
    电源；
    发热体，用于对气雾产生基质进行加热；
    存储器，用于存储所述发热体的发热体参数和加热参数，所述发热体参数表示所述发热体的电学特征值和温度值的对应关系，所述加热参数表示加热时间和温度值的对应关系；
    控制器，连接所述电源和所述发热体，用于获取所述发热体的当前电学特征值，基于所述当前电学特征值和预先获取的发热体参数，确定 所述发热体的当前温度值，并基于当前加热时间、所述当前温度值、以及预先获取的加热参数，对所述发热体的当前温度值进行调整。
  9. 根据权利要求8所述的电子烟具，其特征在于，
    所述发热体参数表示所述发热体的电阻值和温度值的对应关系；
    所述控制器还用于基于所述当前电阻值和所述发热体参数，确定所述发热体的当前温度值。
  10. 根据权利要求9所述的电子烟具，其特征在于，
    所述电子烟具还包括与所述发热体串联的特征电阻，所述特征电阻的电阻值已知；
    所述控制器还用于检测所述发热体两端的电压值和所述特征电阻两端的电压值，并基于所述特征电阻的电阻值，计算所述发热体的当前电阻值。
  11. 根据权利要求9所述的电子烟具，其特征在于，
    所述发热体参数为所述发热体的电阻值与温度的对应关系表；
    所述控制器还用于从预先获取的所述发热体的电阻值与温度的对应关系表中，查找与所述当前电阻值相对应的温度值，作为所述发热体的当前温度值。
  12. 根据权利要求8所述的电子烟具，其特征在于，
    所述控制器还用于获取当前加热时间，基于所述加热参数，确定所述当前加热时间所对应的标准温度值，基于所述标准温度值对所述当前温度值进行调整。
  13. 根据权利要求12所述的电子烟具，其特征在于，
    所述电子烟具还包括电源和控制器，所述控制器连接所述电源和所述发热体，以控制所述电源对所述发热体提供电能；
    所述控制器还用于当所述当前温度值低于所述标准温度值，则提高对所述发热体的供电功率，当所述当前温度值高于所述标准温度值，则降低对所述发热体的供电功率。
  14. 根据权利要求13所述的电子烟具，其特征在于，
    所述控制器对所述发热体提供脉冲电压，并在提高对所述发热体的 供电功率时，提高所述脉冲电压的占空比，或在降低对所述发热体的供电功率时，降低所述脉冲电压的占空比。
  15. 一种电子烟具，其特征在于，所述电子烟具包括：
    电源；
    发热体，用于对气雾产生基质进行加热；
    存储器，用于存储所述发热体的发热体参数和加热参数，所述发热体参数表示所述发热体的电阻值和温度值的对应关系，所述加热参数表示加热时间和温度值的对应关系；
    控制器，连接所述电源和所述发热体，用于获取所述发热体的当前电阻值，基于所述当前电阻值和所述发热体参数，确定所述发热体的当前温度值；以及
    获取当前加热时间，基于所述加热参数，确定所述当前加热时间所对应的标准温度值，基于所述标准温度值对所述当前温度值进行调整。
  16. 一种计算机存储介质，其特征在于，所述计算机存储介质中存储有程序数据，所述程序数据在被处理器执行时，用以实现如权利要求1-7任一项所述的方法。
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