WO2023098443A1 - 一种磁性发热体的温度控制方法、装置及电子设备 - Google Patents
一种磁性发热体的温度控制方法、装置及电子设备 Download PDFInfo
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- WO2023098443A1 WO2023098443A1 PCT/CN2022/131052 CN2022131052W WO2023098443A1 WO 2023098443 A1 WO2023098443 A1 WO 2023098443A1 CN 2022131052 W CN2022131052 W CN 2022131052W WO 2023098443 A1 WO2023098443 A1 WO 2023098443A1
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- temperature
- heating element
- curie
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- current intensity
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 181
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- 230000000391 smoking effect Effects 0.000 claims abstract description 26
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Classifications
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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
- A24F40/40—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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
- A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F47/00—Smokers' requisites not otherwise provided for
Definitions
- the present application relates to the technical field of heating element temperature control, in particular, to a temperature control method, device and electronic equipment of a magnetic heating element.
- Heat-not-burn smoking appliances need to heat the inserted cigarette to make it precipitate aerosol.
- the traditional heating method is to insert a current-sensing resistance material such as a heating wire into the cigarette, and conduct TCR temperature control to achieve heating by electrifying the cigarette set and it. Since the aerosol-generating substrate generally requires a heating temperature of several hundred degrees to effectively and stably precipitate the aerosol, Such a method needs to pass a large current to heat up, which will easily cause the local aerosol-generating matrix in the cigarette to rise too high and burn.
- a heating element made of a magnetic material is arranged in the cigarette stick, and the magnetic induction heating is performed by heating the magnetic field coil arranged in the non-burning smoking appliance.
- the temperature change rate of the material before and after reaching the Curie temperature is quite different, and the corresponding Curie temperature of the heating element made of different magnetic materials is different, so the way of magnetic induction heating cannot be controlled.
- the heating temperature of cigarettes is more precisely regulated.
- embodiments of the present application provide a temperature control method, device and electronic equipment for a magnetic heating element.
- the embodiment of the present application provides a method for controlling the temperature of a magnetic heating element, the method comprising:
- the heating element includes a current-sensing resistance material
- the parameter information includes the Curie temperature of the heating element and the temperature coefficient of resistance of the current-sensing resistance material
- the calculation of the first magnetic field strength corresponding to the Curie temperature includes:
- the Curie temperature is determined as the first Curie temperature, and a first magnetic field intensity corresponding to the first Curie temperature is calculated.
- the calculation of the second current intensity based on the required temperature and the temperature coefficient of resistance includes:
- a second current intensity is calculated based on the first temperature difference and the temperature coefficient of resistance.
- the smoking appliance after controlling the first current intensity passing through the coil in the smoking appliance to make the magnetic field intensity generated by the coil constant at the first magnetic field intensity, it further includes:
- each second Curie temperature determines each second Curie temperature, respectively calculate each second temperature difference between each said second Curie temperature and the first Curie temperature, said second Curie temperature the temperature is a Curie temperature other than said first Curie temperature;
- the heating body includes a first heating body and a second heating body, the Curie temperature corresponding to the first heating body is the first Curie temperature, and the Curie temperature corresponding to the second heating body is the second Curie temperature.
- the calculating the second current intensity based on the first temperature difference and the temperature coefficient of resistance includes:
- the heating element is the first heating element, calculating a second current intensity based on the first temperature difference and the temperature coefficient of resistance;
- an actual temperature difference is determined based on the first temperature difference and a second temperature difference, and the first temperature difference is calculated based on the actual temperature difference and a temperature coefficient of resistance. Two current intensity.
- receiving the temperature adjustment instruction and determining the required temperature corresponding to the temperature adjustment instruction includes:
- a temperature adjustment instruction is received, each required temperature corresponding to the temperature adjustment instruction is determined, and each target heating element corresponding to each required temperature is determined.
- the embodiment of the present application provides a temperature control device for a magnetic heating element, the device comprising:
- An acquisition module configured to acquire parameter information of at least one heating element in the cigarette to be smoked, the heating element includes a current sensing resistance material, the parameter information includes the Curie temperature of the heating element, the temperature of the current sensing resistance material Temperature coefficient of resistance;
- a calculation module configured to calculate the first magnetic field intensity corresponding to the Curie temperature, and control the first current intensity passing through the coil in the smoking article, so as to keep the magnetic field intensity generated by the coil constant at the first magnetic field intensity;
- the receiving module is configured to receive a temperature adjustment instruction, determine a required temperature corresponding to the temperature adjustment instruction, calculate a second current intensity based on the required temperature and the temperature coefficient of resistance, and control the current intensity passing through the heating element to be the first Two current intensity.
- an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and operable on the processor, and the processor implements the first method when executing the computer program. Aspect or the steps of the method provided by any possible implementation of the first aspect.
- the embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, it can realize any possible implementation of the first aspect or the first aspect method provided.
- the beneficial effect of the present invention is: by adding the current sensing resistance material in the heating body, the heating body is heated to the Curie temperature by the magnetic field strength generated by the coil, and the current sensing resistance material in the heating body is heated and controlled by TCR , to ensure the accuracy of temperature regulation. Moreover, since the temperature of the heating element has reached the Curie temperature under the action of the magnetic field, it is only necessary to start TCR heating of the heating element from the Curie temperature, which avoids the local aerosol formation matrix scorching caused by the excessive current of the traditional TCR heating method question.
- Fig. 1 is a schematic flow chart of a temperature control method for a magnetic heating element provided in an embodiment of the present application
- FIG. 2 is a schematic diagram of the corresponding relationship between the resistance and temperature of the ferrite provided by the embodiment of the present application;
- FIG. 3 is a schematic structural view of a temperature control device for a magnetic heating element provided in an embodiment of the present application
- FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
- FIG. 1 is a schematic flowchart of a method for controlling the temperature of a magnetic heating element provided in an embodiment of the present application.
- the method includes:
- the heating element includes a current-sensing resistance material
- the parameter information includes the Curie temperature of the heating element and the temperature coefficient of resistance of the current-sensing resistance material .
- the subject of execution of the present application may be a controller of a heat-not-burn smoking appliance.
- conventional heating elements are generally made of magnetic materials such as alloys, so as to generate heat under the action of the magnetic field of the coil.
- the heating element used in this application is also added with current sensing resistor materials, such as manganese copper, etc. during the manufacturing process.
- current sensing resistor materials such as manganese copper, etc. during the manufacturing process.
- the selection of conventional heating element manufacturing materials is required to be a steel body that can generate eddy currents under the action of a magnetic field, and the heating element has a Curie temperature characteristic, that is, the temperature rises faster before reaching the Curie temperature. It is easy to control. After reaching the Curie temperature, a paramagnet is formed, and the temperature rise rate tends to be gentle, which is relatively easier to control.
- the heating element installed in the cigarette is generally made of alloy, and the Curie temperature can be adjusted through the ratio of different materials in the alloy.
- the metal material in the current-sensing resistor material can also be used as an alloy material, so it is completely feasible to add a current-sensing resistor material to the heating element, and as long as the final adjusted Curie temperature is suitable, this method will not affect The process of electromagnetic heating of the heating element is affected.
- the heating element used in this application can be a ferrite compound with a negative temperature coefficient of resistance on the heated metal surface, so that the low temperature section of the material has a zero temperature coefficient of resistance, that is, the resistance does not change with temperature .
- Ferrite has a Curie temperature of 200-300 and is high temperature and chemically protective to heated metals.
- the calibration temperature can be identified through this signal. As the temperature continues to rise, the increase in metal resistance dominates, so the overall resistance increases, and temperature control and temperature identification can be performed through TCR.
- the controller can obtain the parameter information of the heating element in the cigarette to be smoked by identifying the QR code on the cigarette to be smoked, so as to determine the heating element.
- determining the magnitude of the current passing through the coil can determine the strength of the magnetic field generated by the coil, and then determine the magnitude of the magnetic field generated by the heating object.
- the amount of heat, the corresponding relationship can be determined through experimental simulation and other methods in the design stage of the smoking appliance. Therefore, after knowing the Curie temperature of the heating element, the Curie temperature can be used as the temperature generated by the heating element required for the normal heating operation of the smoking appliance, and the temperature required to heat the heating element to the Curie temperature can be calculated.
- the first magnetic field intensity calculate and determine the first current intensity corresponding to the first magnetic field intensity, and control the current intensity of the current passing through the coil, so that the magnetic field intensity generated by the coil is constant at the first magnetic field intensity, ensuring the heating of the heating element
- the temperature was maintained at the Curie temperature.
- the calculating the first magnetic field strength corresponding to the Curie temperature includes:
- the Curie temperature is determined as the first Curie temperature, and a first magnetic field intensity corresponding to the first Curie temperature is calculated.
- each heating element in the cigarette there may be more than one heating element in the cigarette to be smoked, and due to the need to heat different parts of the cigarette at different temperatures, the material composition of each heating element in the same cigarette may be different, that is, each The Curie temperature of the heating element is different.
- a new problem will arise only through the way of magnetic field heating, that is, under the change of the magnetic field, the temperature of each heating element will change, and the temperature change range is not the same, which further affects the temperature regulation through the magnetic field strength. of precision.
- One solution in the prior art is to set magnetic field coils with different numbers of coil turns and different coil thicknesses in different positions in the smoking set, so as to control the magnetic field strength in different places respectively.
- the magnetic field coil of the conventional method has relatively high equipment cost, and does not solve the problem that the coil magnetic field heating can only adjust the temperature to an approximate range.
- the applicability of the appliance is low, and when the cigarette to be smoked changes, the regulation accuracy is still not guaranteed.
- the heating element is initially heated only by the magnetic field strength, and then the temperature is controlled by the TCR.
- the temperature difference between the Curie temperatures of different heating elements will not be particularly large. Therefore, when there are more than two Curie temperatures, that is, when there are more than two different heating elements, the lowest temperature will be determined.
- the first Curie temperature is used as a standard to control the corresponding first magnetic field intensity for heating.
- they can be heated to the first Curie temperature by means of TCR. Carry out further temperature control.
- the Curie temperature will be directly determined as the first Curie temperature and calculated.
- the temperature adjustment instruction can be understood as an instruction correspondingly generated in the smoking appliance when the user adjusts the heating temperature in the smoking appliance by means of keys or the like.
- a temperature adjustment instruction will be generated.
- the controller can determine the required temperature to be adjusted by analyzing the temperature adjustment instruction, and then calculate the second current intensity based on the required temperature and the temperature coefficient of resistance corresponding to the heating element. Control the current intensity of the heating element, and then control the resistance value of the current sensing resistance material, and finally realize the TCR temperature control adjustment process of the heating element through the change of the resistance value.
- the way of heating the heating element by the coil magnetic field can only heat the temperature of the heating element to an approximate temperature range, and cannot precisely control the temperature, only the value of the Curie temperature can be determined more accurately. Therefore, after heating the temperature of the heating element to the Curie temperature by means of electromagnetic heating, the present application turns to TCR temperature control of the heating element through the temperature coefficient of resistance. Since the temperature coefficient of resistance is definite, that is, the relationship between resistance and temperature is It is determined that precise regulation of temperature can be achieved in this way.
- the TCR heating temperature control method only needs to control the temperature of the heating element from the Curie temperature, that is, the temperature value that needs to be adjusted is small, and the required current is also small, thus avoiding the traditional heating that is completely heated by TCR
- the method needs to control the temperature rising by hundreds of degrees, which will lead to excessive current and affect the problem of local aerosol generation matrix.
- the heating element in the cigarette to be smoked can be set in the form of a cross section, so that the heating element can directly fit and contact with the inner wall of the smoking set, so as to realize direct bonding with the circuit set on the inner wall of the smoking set, and facilitate the energization of the heating element by the smoking set .
- the calculation of the second current intensity based on the required temperature and the temperature coefficient of resistance includes:
- a second current intensity is calculated based on the first temperature difference and the temperature coefficient of resistance.
- the required temperature set by the user is the actual heating temperature expected by the user, while for the TCR heating method, only the temperature difference between the first Curie temperature and the required temperature needs to be heated, so Before calculating the second current intensity, it is necessary to first calculate the first temperature difference, and then calculate the first temperature difference and the corresponding resistance temperature coefficient to determine the resistance value that needs to be changed, and finally determine the second current intensity.
- each second Curie temperature determines each second Curie temperature, respectively calculate each second temperature difference between each said second Curie temperature and the first Curie temperature, said second Curie temperature the temperature is a Curie temperature other than said first Curie temperature;
- the heating body includes a first heating body and a second heating body, the Curie temperature corresponding to the first heating body is the first Curie temperature, and the Curie temperature corresponding to the second heating body is the second Curie temperature.
- the heating element with the lowest Curie temperature can be raised to its corresponding Curie temperature through the aforementioned heating steps, while the temperature of the rest of the heating elements has not been raised to the corresponding Curie temperature.
- Curie temperature It can be seen from the above description that in the design stage of the heating element, its Curie temperature is the expected working temperature of the heating element by the designer, that is, the heating temperature of this part when the cigarette is expected to be smoked normally. Therefore, it is also necessary to raise the temperature of other heating elements to their corresponding Curie temperature through TCR temperature control.
- the first Curie temperature will be excluded from the acquired Curie temperatures to obtain the remaining second Curie temperatures, and each second Curie temperature will be calculated separately
- the difference between the second Curie temperature and the first Curie temperature determines how many degrees each heating element needs to be heated in order to reach the second Curie temperature.
- the calculation of the third current intensity will be performed based on this, and the corresponding calculated third current intensity will be passed into each second heating body, so that each heating element can The initial state of temperature adjustment can be at the corresponding Curie temperature.
- the calculating the second current intensity based on the first temperature difference and the temperature coefficient of resistance includes:
- the heating element is the first heating element, calculating a second current intensity based on the first temperature difference and the temperature coefficient of resistance;
- an actual temperature difference is determined based on the first temperature difference and a second temperature difference, and the first temperature difference is calculated based on the actual temperature difference and a temperature coefficient of resistance. Two current intensity.
- the second heating element in order to reach the corresponding Curie temperature, the current with the second current intensity has been passed through. Therefore, when it is necessary to regulate the temperature of the second heating element, it is necessary to re-determine the actual temperature difference based on the first temperature difference and the second temperature difference, and calculate the second current intensity based on the actual temperature difference and the temperature coefficient of resistance. To ensure the accuracy of temperature regulation.
- the first heating element since no additional current is passed through, the calculation of the second current intensity will be performed directly according to the first temperature difference.
- the receiving the temperature adjustment instruction and determining the required temperature corresponding to the temperature adjustment instruction includes:
- a temperature adjustment instruction is received, each required temperature corresponding to the temperature adjustment instruction is determined, and each target heating element corresponding to each required temperature is determined.
- the temperature of each heating element can be adjusted individually. Specifically, after the controller receives the temperature adjustment instruction, in addition to determining the required temperature, it will also confirm the target heating element corresponding to each required temperature from the temperature adjustment instruction, so as to realize simultaneous control of multiple heating elements. temperature adjustment.
- the temperature control device for the magnetic heating element provided by the embodiment of the present application will be described in detail below with reference to FIG. 3 . It should be noted that the temperature control device of the magnetic heating element shown in Figure 3 is used to implement the method of the embodiment shown in Figure 1 of the present application. For the convenience of description, only the parts related to the embodiment of the present application are shown. If the specific technical details are not disclosed, please refer to the embodiment shown in FIG. 1 of the present application.
- Fig. 3 is a schematic structural diagram of a temperature control device for a magnetic heating element provided in an embodiment of the present application. As shown in Figure 3, the device includes:
- An acquisition module 301 configured to acquire parameter information of at least one heating element in a cigarette to be smoked, the heating element includes a current-sensing resistance material, and the parameter information includes the Curie temperature of the heating element, the current-sensing resistance material The temperature coefficient of resistance;
- a calculation module 302 configured to calculate the first magnetic field intensity corresponding to the Curie temperature, and control the first current intensity passing through the coil in the smoking article, so as to keep the magnetic field intensity generated by the coil constant at the first magnetic field intensity;
- the receiving module 303 is configured to receive a temperature adjustment instruction, determine a required temperature corresponding to the temperature adjustment instruction, calculate a second current intensity based on the required temperature and the temperature coefficient of resistance, and control the current intensity passing through the heating element to be the second current intensity.
- the calculation module 302 includes:
- a first temperature judging unit configured to determine the first Curie temperature with the lowest temperature when there are at least two Curie temperatures, and calculate the first magnetic field strength corresponding to the first Curie temperature
- a second temperature judging unit configured to determine the Curie temperature as the first Curie temperature when there is only one Curie temperature, and calculate the first magnetic field strength corresponding to the first Curie temperature .
- the receiving module 303 includes:
- a first calculation unit configured to calculate a first temperature difference between the required temperature and the first Curie temperature
- the second calculation unit is configured to calculate the second current intensity based on the first temperature difference and the temperature coefficient of resistance.
- the second temperature judging unit includes:
- the first calculation element is used to determine each second Curie temperature when there are at least two said Curie temperatures, and respectively calculate each second temperature difference between each said second Curie temperature and the first Curie temperature , the second Curie temperature is a Curie temperature other than the first Curie temperature;
- the second calculation element is used to calculate the third current intensity based on the temperature coefficient of resistance corresponding to each second Curie temperature and each second temperature difference, and respectively control the current intensity passing through each second heating element is the third current intensity
- the heating body includes a first heating body and a second heating body, the Curie temperature corresponding to the first heating body is the first Curie temperature, and the second heating body The Curie temperature corresponding to the body is the second Curie temperature.
- the receiving module 303 also includes:
- a first processing unit configured to calculate a second current intensity based on the first temperature difference and the temperature coefficient of resistance when the heating element is the first heating element
- a second processing unit configured to determine an actual temperature difference based on the first temperature difference and a second temperature difference when the heating element is the second heating element, and determine an actual temperature difference based on the actual temperature difference and the second temperature difference
- the temperature coefficient of resistance is used to calculate the second current intensity.
- the receiving module 303 also includes:
- the receiving unit is configured to receive a temperature adjustment instruction, determine each required temperature corresponding to the temperature adjustment instruction, and determine each target heating element corresponding to each required temperature.
- Each processing unit and/or module in the embodiment of the present application may be implemented by an analog circuit for realizing the functions described in the embodiments of the present application, or may be realized by software for performing the functions described in the embodiments of the present application.
- an electronic device 400 may include: at least one central processing unit 401 , at least one network interface 404 , a user interface 403 , a memory 405 , and at least one communication bus 402 .
- the communication bus 402 is used to realize connection and communication between these components.
- the user interface 403 may include a display screen (Display) and a camera (Camera), and the optional user interface 403 may also include a standard wired interface and a wireless interface.
- Display display screen
- Camera Camera
- the optional user interface 403 may also include a standard wired interface and a wireless interface.
- the network interface 404 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
- the central processing unit 401 may include one or more processing cores.
- the central processing unit 401 uses various interfaces and lines to connect various parts in the entire electronic device 400, and by running or executing instructions, programs, code sets or instruction sets stored in the memory 405, and calling data stored in the memory 405, Various functions of the terminal 400 are executed and data is processed.
- the central processing unit 401 can adopt at least one of digital signal processing (Digital Signal Processing, DSP), field-programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA) A form of hardware to achieve.
- DSP Digital Signal Processing
- FPGA Field-Programmable Gate Array
- PLA programmable logic array
- the central processing unit 401 may integrate one or a combination of a central processing unit (Central Processing Unit, CPU), an image central processing unit (Graphics Processing Unit, GPU) and a modem.
- a central processing unit Central Processing Unit, CPU
- an image central processing unit Graphics Processing Unit, GPU
- a modem used to handle wireless communication. It can be understood that the above modem may not be integrated into the central processing unit 401, but may be realized by a single chip.
- the memory 405 may include a random access memory (Random Access Memory, RAM), and may also include a read-only memory (Read-Only Memory).
- the memory 405 includes a non-transitory computer-readable storage medium (non-transitory computer-readable storage medium). Memory 405 may be used to store instructions, programs, codes, sets of codes, or sets of instructions.
- the memory 405 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), Instructions and the like for implementing the above method embodiments; the storage data area can store the data and the like involved in the above method embodiments.
- the memory 405 may also be at least one storage device located away from the aforementioned central processing unit 401 .
- the memory 405 as a computer storage medium may include an operating system, a network communication module, a user interface module, and program instructions.
- the user interface 403 is mainly used to provide the user with an input interface to obtain the data input by the user; and the central processing unit 401 can be used to call the temperature control of the magnetic heating element stored in the memory 405. application, and specifically do the following:
- the heating element includes a current-sensing resistance material
- the parameter information includes the Curie temperature of the heating element and the temperature coefficient of resistance of the current-sensing resistance material
- the present application also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the above method are realized.
- the computer-readable storage medium may include, but is not limited to, any type of disk, including floppy disk, optical disk, DVD, CD-ROM, microdrive, and magneto-optical disk, ROM, RAM, EPROM, EEPROM, DRAM, VRAM, flash memory device , magnetic or optical cards, nanosystems (including molecular memory ICs), or any type of medium or device suitable for storing instructions and/or data.
- the disclosed device can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or can be Integrate into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some service interfaces, and the indirect coupling or communication connection of devices or units may be in electrical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
- the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable memory.
- the technical solution of the present application is essentially or part of the contribution to the prior art, 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 memory.
- a computer device which may be a personal computer, server or network device, etc.
- the aforementioned memory includes: U disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.
- the program can be stored in a computer-readable memory, and the memory can include: flash memory disk, read-only memory (Read-Only Memory, ROM), random access device (Random Access Memory, RAM), magnetic disk or optical disk, etc.
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Abstract
Description
Claims (9)
- 一种磁性发热体的温度控制方法,其特征在于,所述方法包括:获取待抽吸烟支中至少一个发热体的参数信息,所述发热体包含电流感应电阻材料,所述参数信息包括所述发热体的居里温度、所述电流感应电阻材料的电阻温度系数;计算所述居里温度对应的第一磁场强度,并控制经过烟具内线圈的第一电流强度,用以使所述线圈产生的磁场强度恒定为所述第一磁场强度;接收温度调整指令,确定所述温度调整指令对应的需求温度,基于所述需求温度与电阻温度系数计算第二电流强度,并控制经过所述发热体的电流强度为所述第二电流强度。
- 根据权利要求1所述的方法,其特征在于,所述计算所述居里温度对应的第一磁场强度,包括:当存在至少两个所述居里温度时,确定温度最低的第一居里温度,计算所述第一居里温度对应的第一磁场强度;当仅存在一个所述居里温度时,将所述居里温度确定为所述第一居里温度,并计算所述第一居里温度对应的第一磁场强度。
- 根据权利要求2所述的方法,其特征在于,所述基于所述需求温度与电阻温度系数计算第二电流强度,包括:计算所述需求温度与第一居里温度的第一温度差值;基于所述第一温度差值与电阻温度系数计算第二电流强度。
- 根据权利要求3所述的方法,其特征在于,所述控制经过烟具内线圈的第一电流强度,用以使所述线圈产生的磁场强度恒定为所述第一磁场强度之后,还包括:当存在至少两个所述居里温度时,确定各第二居里温度,分别计算各所述第二居里温度与第一居里温度的各第二温度差值,所述第二居里温度为除所述第一居里温度外的居里温度;基于各所述第二居里温度对应的电阻温度系数以及各所述第二温度差值分别计算各第三电流强度,并分别控制经过各第二发热体的电流强度为所述第三电流强度,所述发热体包括第一发热体、所述第二发热体,所述 第一发热体对应的居里温度为所述第一居里温度,所述第二发热体对应的居里温度为所述第二居里温度。
- 根据权利要求4所述的方法,其特征在于,所述基于所述第一温度差值与电阻温度系数计算第二电流强度,包括:当所述发热体为所述第一发热体时,基于所述第一温度差值与电阻温度系数计算第二电流强度;当所述发热体为所述第二发热体时,基于所述第一温度差值与第二温度差值确定实际温度差值,并基于所述实际温度差值与电阻温度系数计算所述第二电流强度。
- 根据权利要求1所述的方法,其特征在于,所述接收温度调整指令,确定所述温度调整指令对应的需求温度,包括:接收温度调整指令,确定所述温度调整指令对应的各需求温度,并确定各所述需求温度对应的各目标发热体。
- 一种磁性发热体的温度控制装置,其特征在于,所述装置包括:获取模块,用于获取待抽吸烟支中至少一个发热体的参数信息,所述发热体包含电流感应电阻材料,所述参数信息包括所述发热体的居里温度、所述电流感应电阻材料的电阻温度系数;计算模块,用于计算所述居里温度对应的第一磁场强度,并控制经过烟具内线圈的第一电流强度,用以使所述线圈产生的磁场强度恒定为所述第一磁场强度;接收模块,用于接收温度调整指令,确定所述温度调整指令对应的需求温度,基于所述需求温度与电阻温度系数计算第二电流强度,并控制经过所述发热体的电流强度为所述第二电流强度。
- 一种电子设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其特征在于,所述处理器执行所述计算机程序时实现如权利要求1-6任一项所述方法的步骤。
- 一种计算机可读存储介质,其上存储有计算机程序,其特征在于,所述计算机程序被处理器执行时实现如权利要求1-6任一项所述方法的步骤。
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CN114617307A (zh) * | 2022-03-17 | 2022-06-14 | 湖北中烟工业有限责任公司 | 一种射频加热烟具的加热控制方法、装置及电子设备 |
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