WO2023029951A1 - Dispositif de commande, support de stockage, produit-programme informatique, et dispositif de génération d'aérosol et son procédé de commande - Google Patents

Dispositif de commande, support de stockage, produit-programme informatique, et dispositif de génération d'aérosol et son procédé de commande Download PDF

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Publication number
WO2023029951A1
WO2023029951A1 PCT/CN2022/112218 CN2022112218W WO2023029951A1 WO 2023029951 A1 WO2023029951 A1 WO 2023029951A1 CN 2022112218 W CN2022112218 W CN 2022112218W WO 2023029951 A1 WO2023029951 A1 WO 2023029951A1
Authority
WO
WIPO (PCT)
Prior art keywords
capacitor
aerosol generating
heating element
generating device
rlc circuit
Prior art date
Application number
PCT/CN2022/112218
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English (en)
Chinese (zh)
Inventor
窦恒恒
Original Assignee
深圳麦时科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of WO2023029951A1 publication Critical patent/WO2023029951A1/fr

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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
    • A24F40/40—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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts

Definitions

  • the invention relates to the field of atomization equipment, in particular to a control device, a storage medium, a computer program product, an aerosol generating device and a control method thereof.
  • the aerosol generating device is a device that can atomize the aerosol in the nebulizer into a substrate. It has the advantages of safety, convenience, health, and environmental protection, so it has attracted more and more attention and favor from people.
  • thermosensors are usually used to detect the temperature of the aerosol generating substrate, but this method has the problem of limited structural design due to the need to reserve space for the temperature sensor in the structure, and, due to The electrical separation from the heating element cannot be realized, and there is also the problem of cleaning difficulties caused by the electrical connection.
  • the technical problem to be solved by the present invention is that the structural design of the aerosol generating device in the prior art is limited and difficult to clean.
  • an aerosol generating device including a heating element, the heating element is a heating element with magnetic-temperature characteristics, and the aerosol generating device includes:
  • the RLC circuit includes an inductance coil, and at least a part of the inductance coil is located in the magnetic field of the heating element;
  • the control module is used to generate an alternating current on the induction coil by controlling the RLC circuit to inductively heat the heating element, and determine the temperature of the heating element by detecting specific parameters of the RLC circuit. temperature.
  • control module is further configured to determine whether a suction action occurs according to the temperature of the heating element.
  • control module is also used to detect the specific parameters of the RLC circuit by timing wake-up in the standby state, and realize the insertion detection of the aerosol generating substrate according to the detected specific parameters; and, in the normal state In the working state, specific parameters of the RLC circuit are detected, and detection of pulling out of the aerosol-generating substrate is realized according to the detected specific parameters.
  • control module is configured to generate an alternating current on the induction coil by controlling the RLC circuit in the first period, so as to inductively heat the heating element;
  • the specific parameters of the circuit are used to determine the temperature of the heating element.
  • the RLC circuit further includes a first capacitor, a second capacitor, a first switch tube, and a second switch tube, wherein the second end of the first switch tube is connected to the first end of the second switch tube , the first terminal of the first switching tube is connected to the output terminal of the battery, the second terminal of the second switching tube is grounded, and the control terminal of the first switching tube is connected to the first output terminal of the control module, so The control end of the second switching tube is connected to the second output end of the control module, the first capacitor and the second capacitor are connected in series between the output end of the battery and the ground, and the first end of the inductance coil is connected to The connection point of the first switch tube and the second switch tube, the second end of the inductance coil is connected to the connection point of the first capacitor and the second capacitor.
  • control module includes:
  • a voltage detection unit configured to detect the voltage of the second capacitor
  • the first main control unit is configured to determine the temperature of the heating element according to the voltage of the second capacitor.
  • the voltage detection unit includes: a first diode and a third capacitor, wherein the anode of the first diode is connected to the connection point between the second capacitor and the first capacitor, and the first capacitor A cathode of a diode is connected to the input terminal of the first main control unit, and the third capacitor is connected between the cathode of the first diode and ground.
  • control module includes:
  • a current detection unit configured to detect the current of the inductance coil
  • the second main control unit is configured to determine the temperature of the heating element according to the current of the induction coil.
  • the current detection unit includes: a current transformer, a resistor, a second diode and a fourth capacitor, wherein one end of the primary winding of the current transformer is connected to the second end of the inductance coil, and the The other end of the primary winding of the current transformer is connected to the connection point of the first capacitor and the second capacitor, and one end of the secondary winding of the current transformer is respectively connected to the first end of the resistor and the second The anode of the diode, the other end of the secondary winding of the current transformer and the second end of the resistor are respectively grounded, and the fourth capacitor is connected between the negative pole of the second diode and the ground.
  • the present invention also constructs a control method of an aerosol generating device, comprising:
  • An alternating current is generated on the induction coil by controlling the RLC circuit to inductively heat the heating element, wherein the RLC circuit includes an induction coil, and at least a part of the induction coil is located in the magnetic field of the heating element;
  • the temperature of the heating element is determined by detecting specific parameters of the RLC circuit.
  • it also includes:
  • it also includes:
  • the present invention also constructs a control device, including a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above-mentioned control method of the aerosol generating device when executing the computer program.
  • the present invention also constitutes a storage medium, the storage medium includes computer instructions, and when the computer instructions are run on the processor, the processor is made to execute the control method of the aerosol generating device as described above.
  • the present invention also constructs a computer program product, when the computer program product is run on a computer, the computer is made to execute the control method of the aerosol generating device as described above.
  • the control module controls the RLC circuit to generate an alternating current on the inductance coil
  • the heating element generates heat by induction.
  • the temperature of the heating element changes, due to its magnetic temperature characteristics, it will affect the apparent resistance and inductance of the inductance coil, which will cause the specific parameters of the RLC circuit to change. Therefore, according to the specific parameters of the RLC circuit
  • the change of the parameter determines the temperature change of the heating body. Since this detection method does not require a temperature sensor, it solves the problem of limited structural design of the aerosol generating device. Moreover, since the inductance coil does not need to be electrically connected to the heating element, it also solves the problem of cleaning difficulties caused by the electrical connection.
  • Fig. 1 is a logical structure diagram of Embodiment 1 of the aerosol generating device of the present invention
  • Fig. 2 is a circuit diagram of Embodiment 2 of the aerosol generating device of the present invention.
  • Fig. 3 is the curve diagram of heating body temperature and capacitor voltage changing with time in one embodiment of the present invention
  • Fig. 4 is a graph of the temperature of the heating element and the variation of the capacitor voltage with time in one embodiment of the present invention
  • Fig. 5 is a circuit diagram of Embodiment 3 of the aerosol generating device of the present invention.
  • Fig. 6 is a flow chart of Embodiment 1 of the control method of the aerosol generating device of the present invention.
  • Fig. 1 is a logical structure diagram of Embodiment 1 of the aerosol generating device of the present invention
  • the aerosol generating device of this embodiment includes a control module 11, an RLC circuit 12 and a heating element 13, wherein the heating element 13 can be embedded in an aerosol generating In the matrix 14, and the heating element 13 is a heating element with magnetic-temperature characteristics, that is, it is a metal or alloy with a specific Curie temperature point. The temperature rises and decreases, and the relationship is almost linear.
  • the material of the heating element 30 can be iron-nickel-chromium alloy, for example.
  • the RLC circuit 12 includes an inductance coil (with internal resistance) L1 , and at least a part of the inductance coil L1 is located in the magnetic field of the heating element 13 .
  • the control module 11 is used to generate an alternating current on the induction coil L1 by controlling the RLC circuit 12 to inductively heat the heating element 13, and determine the temperature of the heating element 13 by detecting specific parameters of the RLC circuit 12.
  • the RLC circuit 12 Specific parameters include, for example: the voltage of the capacitor in the RLC circuit 12, and the current of the inductor coil.
  • the heating element 13 when an alternating current is passed through the inductance coil L1 , the heating element 13 generates heat by induction, so as to atomize and heat the aerosol generating substrate 14 .
  • the temperature of the heating element 13 changes, it will affect the apparent resistance and inductance of the inductance coil L1 because it has obvious magnetic-temperature characteristics at a specific temperature (between 150°C and 420°C).
  • the specific parameters of the RLC circuit 12 will change because of its inductance and apparent resistance, such as the voltage of the capacitor in the RLC circuit 12 and the current of the inductance coil. Therefore, according to Changes in specific parameters of the RLC circuit 12 determine temperature changes in the heat generating body 13 .
  • this detection method does not require a temperature sensor, it solves the problem of limited structural design of the aerosol generating device. Moreover, since the inductance coil L1 does not need to be electrically connected to the heating element 13, it also solves the cleaning difficulties caused by the electrical connection. question.
  • control module 11 is also configured to determine whether a pumping action occurs according to the temperature of the heating element 13 .
  • the temperature of the heating element changes significantly, so the detection of the suction action can be realized through the determined temperature change, and then the number of suction ports can be measured.
  • control module 11 is also used to detect specific parameters of the RLC circuit 12 by timing wake-up in the standby state, and realize the insertion detection of the aerosol-generating substrate according to the detected specific parameters and, in a normal working state, detect specific parameters of the RLC circuit 12, and realize detection of pulling out of the aerosol-generating substrate according to the detected specific parameters.
  • the magnetic inductance value of the heating element 30 is also different when the aerosol generating substrate is inserted in the aerosol generating device and when the aerosol generating substrate is not inserted, so it can be detected by detecting the RLC circuit 12 Specific parameters are used to perform plugging and unplugging detection of aerosol-generating substrates.
  • control module 11 is used to control the RLC circuit 12 to generate an alternating current on the inductance coil L1 during the first period, so as to inductively heat the heating element 13;
  • the specific parameters of the RLC circuit 12 are used to determine the temperature of the heating element 13 .
  • Fig. 2 is a circuit diagram of Embodiment 2 of the aerosol generating device of the present invention.
  • the aerosol generating device of this embodiment includes a control module, an RLC circuit and a heating element (not shown), wherein:
  • the heating element is a heating element with magnetic-temperature characteristics
  • the RLC circuit includes an inductance coil L1, a first capacitor C1, a second capacitor C2, a first switching tube Q1, and a second switching tube Q2.
  • the inductance coil L1 is located in the magnetic field of the heating element 13
  • the first switching tube Q1 and the second switching tube Q2 are both MOS tubes
  • the source of the first switching tube Q1 is connected to the drain of the second switching tube Q2
  • the drain of the first switching tube Q1 is connected to the output terminal (BAT) of the battery
  • the source of the second switching tube Q2 is grounded
  • the first capacitor C1 and the second capacitor C2 are connected in series between the output terminal (BAT) of the battery and the ground.
  • a first end of the inductance coil L1 is connected to a connection point between the first switch transistor Q1 and the second switch transistor Q2, and a second end of the inductance coil L1 is connected to a connection point between the first capacitor C1 and the second capacitor C2.
  • the control module includes a voltage detection unit and a first main control unit U1, wherein the voltage detection unit is used to detect the voltage of the second capacitor C2, and specifically includes: a first diode D1, a third capacitor C3, and a resistor R1, wherein, The anode of the first diode D1 is connected to the connection point of the second capacitor C2 and the first capacitor C1, and the third capacitor C3 and the resistor R1 are connected between the cathode of the first diode D1 and the ground.
  • the input terminal of the first main control unit U1 is connected to the cathode of the first diode D1
  • the first output terminal of the first main control unit U1 is connected to the gate of the first switching transistor Q1
  • the second output terminal of the first main control unit U1 The terminal is connected to the gate of the second switching transistor Q2, and the first main control unit U1 is used to determine the temperature of the heating element according to the voltage of the second capacitor C2.
  • the first main control unit U1 controls the first switch tube Q1 and the second switch tube Q2 to be turned on alternately through its first output terminal and second output terminal, so that An alternating current is generated on the inductance coil L1, and the heating element starts to generate heat by induction.
  • the heating power is related to the conduction frequency and control time of the two switching tubes.
  • the first main control unit U1 controls the first switching tube Q1 and the second switching tube Q2 to be turned on alternately through its first output terminal and second output terminal, and the RLC circuit starts to work.
  • the temperature change of the body will affect the apparent resistance and inductance of the inductance coil L1, and then affect the voltage on the second capacitor C2. Therefore, the first control unit U1 detects the peak value at both ends of the second capacitor C2 through the first diode D1. The change of the voltage can effectively feed back the change of the temperature of the heating element, as shown in Figure 3.
  • the heating and temperature measurement of the heating element can be performed in the same time period, or can be performed in two separate time periods.
  • the two output terminals of the first main control unit can output control signals of specific frequencies; if carried out in different periods, then in the first period, the first main control unit’s
  • the two output terminals can output a control signal of a specific frequency, and can output another control signal of a specific frequency during the second period.
  • the frequency of the control signal output during the same period can also be changed.
  • the first control unit in order to avoid the influence of the battery power, will also obtain the output voltage of the battery (that is, the power supply voltage of the RLC circuit) after detecting the peak voltage of the second capacitor C2. Ratio, and feed back the change of the temperature of the heating element according to the change of the ratio, which can avoid the inaccurate temperature detection caused by the low battery power.
  • the output voltage of the battery that is, the power supply voltage of the RLC circuit
  • the first main control unit U1 also determines whether a suction action has occurred according to the detected temperature change of the heating element. Specifically, referring to FIG. Over time, the heating body has obvious temperature changes. After detecting the voltage across the second capacitor, the first main control unit U1 detects whether the pumping action occurs by judging whether there is a significant jump in the ratio of the voltage to the output voltage of the battery. , and then measure the number of suction ports.
  • the first main control unit U1 detects the voltage across the second capacitor C2 by timing wake-up, then compares the detected voltage with the first preset value, and The difference between the two realizes the insertion detection of the aerosol-generating substrate; under normal working conditions, the voltage across the second capacitor C2 is detected, and then the detected voltage is compared with the second preset value, and based on the difference between the two Enables pull-out detection of aerosol-generating substrates.
  • the frequency of the control signal output by the first main control unit U1 is lower than the resonant frequency of the RLC circuit during plug-in detection.
  • FIG. 5 is a circuit diagram of the third embodiment of the aerosol generating device of the present invention, the aerosol generating device of this embodiment includes a control module, an RLC circuit and a heating element (not shown), and, compared with the embodiment shown in Figure 2, The only difference is:
  • the control module includes a current detection unit and a second main control unit U2, wherein the current detection unit is used to detect the current of the inductance coil L1, and specifically includes: a current transformer IL1, a resistor R2, a second diode D2, a fourth capacitor C4 and resistor R3, wherein one end of the primary winding of the current transformer IL1 is connected to the second end of the inductance coil L1, and the other end of the primary winding of the current transformer IL1 is connected to the connection point between the first capacitor C1 and the second capacitor C2, One end of the secondary winding of the current transformer IL1 is respectively connected to the first end of the resistor R2 and the anode of the second diode D2, the other end of the secondary winding of the current transformer IL1 and the second end of the resistor R2 are respectively grounded, the second The four capacitors C4 and the resistor R3 are respectively connected between the cathode of the second diode D2 and the ground.
  • the input terminal of the second main control unit U2 is connected to the cathode of the second diode D2, the first output terminal of the second main control unit U2 is connected to the gate of the first switching transistor Q1, and the second output terminal of the second main control unit U2 The terminal is connected to the gate of the second switching transistor Q2, and the second main control unit U2 is used to determine the temperature of the heating element according to the current of the inductance coil L1.
  • the heat generation control process of the second main control unit U2 is the same as that of the embodiment shown in FIG. 2 , and will not be repeated here.
  • the second main control unit U2 controls the first switching tube Q1 and the second switching tube Q2 to be turned on alternately through its first output terminal and second output terminal, and the RLC circuit starts to work.
  • the temperature change of the body will affect the apparent resistance and inductance of the inductance coil L1, and then affect the current on the inductance coil L1.
  • the current transformer IL1 detects the current on the inductance coil L1 and converts it into a voltage through the resistor R2 , and then sent to the input terminal of the second control unit U2 through the second diode D2, so that the second control unit U2 can effectively feedback the change of the temperature of the heating element according to the change of the input signal at its input terminal.
  • Fig. 6 is a flow chart of Embodiment 1 of the control method of the aerosol generating device of the present invention, the control method of this embodiment includes:
  • Step S10 By controlling the RLC circuit to generate an alternating current on the inductance coil to inductively heat the heating element, wherein, referring to FIG. 1 , the RLC circuit includes an inductance coil, and at least a part of the inductance coil is located in the heating element. in the magnetic field of the body;
  • Step S20 Determine the temperature of the heating element by detecting a specific parameter of the RLC circuit, such as the current of the inductor coil in the RLC circuit, or the voltage of the capacitor in the RLC circuit.
  • a specific parameter of the RLC circuit such as the current of the inductor coil in the RLC circuit, or the voltage of the capacitor in the RLC circuit.
  • control method of the present invention also includes:
  • control method of the present invention also includes:
  • the present invention also constructs a control device, including a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above-mentioned control method of the aerosol generating device when executing the computer program.
  • the present invention also constitutes a storage medium, the storage medium includes computer instructions, and when the computer instructions are run on the processor, the processor is made to execute the control method of the aerosol generating device as described above.
  • the present invention also constructs a computer program product, when the computer program product is run on a computer, the computer is made to execute the control method of the aerosol generating device as described above.

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  • General Induction Heating (AREA)

Abstract

Dispositif de commande, support de stockage, produit-programme informatique, dispositif de génération d'aérosol et procédé de commande associé. Le dispositif de génération d'aérosol comprend un élément de génération de chaleur (13). L'élément de génération de chaleur est un élément de génération de chaleur (13) ayant une caractéristique de température magnétique. Le dispositif de génération d'aérosol comprend : un circuit RLC (12), le circuit RLC (12) comprenant une bobine d'inductance, et au moins une partie de la bobine d'inductance étant située dans un champ magnétique de l'élément de génération de chaleur (13) ; et un module de commande utilisé pour commander le circuit RLC (12) afin de générer un courant alternatif sur la bobine d'inductance pour effectuer un chauffage par induction sur l'élément de génération de chaleur, et déterminer la température de l'élément de génération de chaleur (13) en détectant des paramètres spécifiques du circuit RLC (12).
PCT/CN2022/112218 2021-09-06 2022-08-12 Dispositif de commande, support de stockage, produit-programme informatique, et dispositif de génération d'aérosol et son procédé de commande WO2023029951A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111039355.8 2021-09-06
CN202111039355.8A CN113925223A (zh) 2021-09-06 2021-09-06 气溶胶生成装置及其控制方法

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WO2023029951A1 true WO2023029951A1 (fr) 2023-03-09

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PCT/CN2022/112218 WO2023029951A1 (fr) 2021-09-06 2022-08-12 Dispositif de commande, support de stockage, produit-programme informatique, et dispositif de génération d'aérosol et son procédé de commande

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CN (1) CN113925223A (fr)
WO (1) WO2023029951A1 (fr)

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CN113925223A (zh) * 2021-09-06 2022-01-14 深圳麦时科技有限公司 气溶胶生成装置及其控制方法

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WO2004077000A1 (fr) * 2003-02-25 2004-09-10 Hubert Eric Walter Systeme et procede pour determiner des temperatures
WO2017085242A1 (fr) * 2015-11-19 2017-05-26 Philip Morris Products S.A. Dispositif de chauffage à induction pour un substrat de formation d'aérosol
CN112702929A (zh) * 2018-08-31 2021-04-23 尼科创业贸易有限公司 用于气溶胶发生设备的装置
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