Method for controlling aerosol-generating device and aerosol-generating device

Abstract

The embodiment of the invention discloses an aerosol generating device control method and an aerosol generating device.The aerosol generating device comprises a heating element and a battery cell, the battery cell is used for providing power for the heating element, and the heating element is used for heating an aerosol product to generate aerosol. The method comprises the following steps: acquiring a minimum voltage value output by the battery cell in a current working period; comparing the minimum voltage value with a preset threshold voltage; if the minimum voltage value is smaller than the threshold voltage, generating a warning mark, and storing the warning mark; and determining that the aerosol generating device is not started in the next working period according to the warning mark. By means of the method, it can be avoided that when the electric quantity of the electric core of the aerosol generating device is insufficient, the aerosol generating device is prone to generating abnormities in the next work period.

Description

[Technical field]

[0001] The embodiments of the present application relate to the field of aerosol technology, and in particular to a control method of an aerosol generating device and an aerosol generating device. [Background technology]

[0002] Traditional tobacco products (e.g., cigarettes, cigars, etc.) burn tobacco to generate tobacco smoke during use. Products that release compounds by heating without burning are already available in the prior art to replace these traditional tobacco products. Examples of such products are aerosol generating devices, which generally include a heating element and an aerosol product. The aerosol product may be a solid tobacco or non-tobacco filler, or a liquid that may contain nicotine and / or aromatics and / or aerosol generating substances (e.g., glycerin), etc. The heating element heats the aerosol product, causing at least a portion of the active substances in the aerosol product to volatilize or atomize by heat to generate an aerosol.

[0003] Such devices are usually powered by rechargeable batteries. As the aerosol generating device is continuously used, the battery power will gradually be consumed. When the power is consumed to a certain extent, the battery is no longer sufficient to maintain the aerosol generating device to complete the next working cycle, thereby causing the aerosol generating device to malfunction in the next working cycle. [Summary of the invention]

[0004] The embodiment of the present application provides a control method for an aerosol generating device to solve the technical problem that when the battery power is low, the aerosol generating device may easily produce an abnormality in the next working cycle.

[0005] A control method for an aerosol generating device, the aerosol generating device comprising a heating element and a battery core, the battery core being used to provide power to the heating element, the heating element being used to heat an aerosol product to generate an aerosol, the control method comprising:

[0006] Get the lowest voltage value output by the battery cell in the current working cycle;

[0007] Comparing the minimum voltage value with a preset threshold voltage;

[0008] If the minimum voltage value is less than the threshold voltage, a warning sign is generated and the warning sign is stored;

[0009] According to the warning sign, it is determined that the aerosol generating device does not start heating in the next working cycle.

[0010] In one embodiment, obtaining the lowest voltage value output by the battery cell in the current working cycle includes:

[0011] Obtaining the voltage value output by the battery cell at the end of the preheating stage;

[0012] The voltage value is determined to be the lowest voltage value.

[0013] In one embodiment, obtaining the lowest voltage value output by the battery cell in the current working cycle includes:

[0014] Obtaining the current output voltage value of the battery cell;

[0015] Compare the current output voltage value with the previous output voltage value of the battery cell;

[0016] If the current output voltage value is less than the previous output voltage value of the battery cell, the current output voltage value is saved;

[0017] If the current output voltage value is greater than the last output voltage value of the battery cell, the last output voltage value is saved.

[0018] In one embodiment, the preset threshold voltage includes a system minimum operating voltage.

[0019] In one of the embodiments, the aerosol generating device further comprises a prompt unit, wherein the prompt unit is configured to generate a prompt message at the end of the preheating stage, and the threshold voltage comprises a minimum voltage required for the prompt unit to operate normally.

[0020] In one embodiment, obtaining the voltage value output by the battery cell at the end of the preheating stage includes:

[0021] Obtaining the current temperature of the heating element;

[0022] If the current temperature reaches the preset temperature of the preheating stage, the voltage value output by the battery cell is obtained.

[0023] In one embodiment, the method further comprises:

[0024] obtaining a charging signal of the aerosol generating device;

[0025] The warning sign is removed according to the charging signal.

[0026] In one embodiment, removing the warning sign according to the charging signal further includes:

[0027] Recording the duration of the charging signal;

[0028] If the holding time reaches a preset time, controlling to remove the warning sign;

[0029] If the holding time is shorter than the preset time, the warning sign is kept.

[0030] In one embodiment, if the voltage value is less than the threshold voltage, a warning sign is generated and the warning sign is stored, and the method further includes:

[0031] The heating element is controlled not to stop heating in the current working cycle.

[0032] The embodiment of the present application further provides a control method for an aerosol generating device, wherein the aerosol generating device comprises a heating element and a battery cell, wherein the battery cell is used to provide power to the heating element, and the heating element is used to heat an aerosol product to generate an aerosol. The control method comprises:

[0033] Acquire the output voltage value of the battery cell multiple times;

[0034] Comparing the output voltage value obtained each time with a preset threshold voltage;

[0035] If the output voltage value is less than the threshold voltage, a warning sign is generated and the warning sign is stored;

[0036] According to the warning sign, it is determined that the aerosol generating device does not start heating in the next working cycle.

[0037] An embodiment of the present application further provides an aerosol generating device, including a controller, wherein the controller includes a processor and a memory, wherein the memory stores a computer program, and when the processor executes the computer program, the control method of the aerosol generating device described in the above embodiment is implemented.

[0038] In one embodiment, the aerosol generating device comprises an LDO circuit electrically connected to the battery cell, and the threshold voltage comprises a minimum input voltage of the LDO circuit.

[0039] The control method provided in the above embodiment obtains the lowest voltage value output by the battery cell in the current middle working period, compares the voltage value with the threshold voltage, and outputs a warning sign if the voltage value is less than the threshold voltage, and saves the warning sign, so that the aerosol generating device does not start heating according to the warning sign in the next working cycle, thereby avoiding the aerosol generating device from easily generating abnormalities when entering the next working cycle when the battery cell is low on power.

Brief Description of the Drawings

[0040] One or more embodiments are exemplarily described by corresponding drawings, which do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and the figures in the drawings do not constitute proportional limitations unless otherwise stated.

[0041] Figure 1 A schematic diagram of the structure of an aerosol generating device provided in one embodiment of the present application;

[0042] Figure 2 A schematic diagram of the structure of an aerosol generating device provided in one embodiment of the present application;

[0043] Figure 3 A schematic flow chart of a control method for an aerosol generating device provided in one embodiment of the present application;

[0044] Figure 4 A heating curve diagram for a first working cycle and a second working cycle of the aerosol generating device;

[0045] Figure 5 A schematic flow chart of a method for controlling an aerosol generating device provided in one embodiment of the present application;

[0046] Figure 6 A schematic flow chart of a method for controlling an aerosol generating device provided in one embodiment of the present application;

[0047] Figure 7 A schematic diagram of the hardware structure of a controller of an aerosol generating device provided in one embodiment of the present application;

[0048] Figure 8 This is a flow chart diagram of a method for controlling an aerosol generating device provided in one embodiment of the present application. [Specific implementation method]

[0049] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" / "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "upper", "lower", "left", "right", "inside", "outside" and similar expressions used in this specification are for illustrative purposes only.

[0050] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0051] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0052] In the embodiments of the present application, the "installation" includes fixing or restricting a component or device to a specific position or place by welding, screwing, clamping, bonding, etc. The component or device can remain stationary at the specific position or place or move within a limited range. After the component or device is fixed or restricted to a specific position or place, it may or may not be disassembled, and there is no limitation in the embodiments of the present application.

[0053] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0054] An embodiment of the present application provides an aerosol generating device 100, such as Figure 1 As shown, the aerosol generating device 100 includes a battery cell 10, a main board 20 and a heating element 30. The main board 20 is provided with a controller of the aerosol generating device 100. The battery cell 10 and the heating element 30 are electrically connected to the controller respectively, so that the controller can control the battery cell 10 to provide electric energy to the heating element 30. The aerosol generating device 100 is also provided with a longitudinally extending chamber 40, and the chamber 40 is used to accommodate an aerosol generating product 200 used in conjunction with the aerosol generating device 100. The heating element 30 is attached to the outer wall of the chamber 40, so that the aerosol generating product 200 in the chamber 40 can be heated. Part of the active material filled in the aerosol generating product 200 is volatilized by heat to generate an aerosol, and the user can inhale the aerosol by inhaling on the aerosol generating product 200.

[0055] The aerosol generating article 200 preferably uses a tobacco-containing material that releases volatile compounds from the article when heated; or it can also be a non-tobacco material that can be heated and suitable for electric heating and smoking. The aerosol generating article 200 preferably uses a solid substrate, which can include one or more of powder, particles, fragments, strips or sheets of one or more of herb leaves, tobacco leaves, homogenized tobacco, and expanded tobacco; or the solid substrate can contain additional tobacco or non-tobacco volatile flavor compounds to be released when the substrate is heated.

[0056] In some embodiments, the heating element 30 may be a mesh resistive heating element coated on the outer wall of the chamber 40, the mesh resistive heating element 40 is electrically connected to the main board 20, and the heating element 30 generates heat after being energized, and transfers the heat to the aerosol generating article 200 in the chamber 40 through the cavity wall of the chamber 40. The cavity of the chamber 40 is made of a high thermal conductivity material to efficiently transfer the heat generated by the heating element 30 to the aerosol generating article 200. The high thermal conductivity material may be a metal or a ceramic material, and the ceramic material may be any one of oxides, nitrides, carbides, borides, etc.

[0057] In such Figure 2 In another embodiment shown, the aerosol generating device 100 can also heat the aerosol generating product 200 by electromagnetic induction heating. The heating element 30 at least partially extends into the chamber 40, and the end thereof extending into the chamber 40 is configured in a pin shape or a sheet shape, so that the heating element 30 can be smoothly inserted into the aerosol generating product 200 for heating. The outer wall of the chamber 40 is wound with a coil 50, and the controller controls the battery core 10 to pass an alternating current into the coil 50. The coil 50 generates a changing magnetic field under the action of the alternating current, and the changing magnetic field penetrates the heating element 30 to induce eddy currents in the heating element 30. The heating element 30 generates heat under the action of the eddy current effect and the hysteresis effect, and can heat the aerosol generating substrate 200.

[0058] Suitable materials for the heating element 30 may be any one of graphite, molybdenum, silicon carbide, stainless steel, niobium, aluminum, nickel, iron, copper, nickel-containing compounds, titanium, and metal material composites. In some embodiments, in order to better induce eddy currents to improve heating efficiency, the material of the heating element 30 is preferably a ferromagnetic material or is composed of a ferromagnetic material, such as ferrite iron, ferromagnetic alloys (such as ferromagnetic steel or stainless steel), ferromagnetic particles, and ferrites.

[0059] In some embodiments, the controller can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), a single-chip microcomputer, an ARM (Acorn RISC Machine) or other programmable logic device, a discrete gate or transistor logic, a discrete hardware component, or any combination of these components. In addition, the controller can also be any traditional processor, controller, microcontroller or state machine. The controller can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors combined with a DSP and / or any other such configuration. The controller 6 can also be a frequency conversion board or a main control board of a washing machine.

[0060] Based on the above-mentioned aerosol generating device 100, an embodiment of the present application provides a control method of the aerosol generating device 100, so as to prevent the aerosol generating device 100 from starting heating in the next working cycle when the battery cell 10 is insufficiently charged, so as to avoid a large abnormality of the aerosol generating device 100 during the next working cycle, such as Figure 3 As shown, the method includes:

[0061] S10, obtaining the lowest voltage value output by the battery cell in the current working cycle;

[0062] A working cycle of the aerosol generating device 100 generally includes a preheating stage and a puffing stage. The preheating stage refers to the battery cell 10 supplying high power to the heating element 30, so that the heating element 30 is quickly heated to a preset temperature, and the preset temperature can cause the aerosol generating product 200 to evaporate by heat to generate a suitable aerosol; and the puffing stage refers to the stage in which the user inserts the aerosol generating product 200 into the aerosol generating device 100 for puffing. In the puffing stage, the battery cell 10 uses a relatively small power to basically maintain the temperature of the heating element 30 at the preset temperature, ensuring that the user can generate a suitable aerosol when puffing during the entire puffing stage.

[0063] Since the heating element 20 is powered with high power during the preheating stage, and the power is usually constant, the output voltage of the battery cell 10 is the lowest in the current working cycle at the moment when the preheating stage ends, that is, the moment when the device switches from the preheating stage to the inhalation stage. In addition, the power and duration of the preheating stage of the aerosol generating device 100 are usually the same in each working cycle, so when the aerosol generating device 100 is not charged, the output voltage of the battery cell 10 at the end of the preheating stage in the current working cycle of the aerosol generating device 100 is lower than the output voltage at the end of the preheating stage in the previous working cycle.

[0064] like Figure 4It can be seen from the heating curves of the two working cycles shown that the output voltage of the battery cell 10 at the end of the preheating stage in the second working cycle (next working cycle) is lower than that in the first working cycle (current working cycle), wherein the time period before t1 is the preheating stage, and the time period after t1 is the suction stage, and at the beginning of the preheating stage, the no-load voltage of the battery cell 10 in the second working cycle is lower than the no-load voltage of the battery cell 10 in the first working cycle. Therefore, by obtaining the voltage value output by the battery cell 10 at the end of the preheating stage in the current working cycle, the minimum value that the output voltage of the battery cell 10 can currently reach when it is not charged can be obtained.

[0065] Specifically, in order to accurately obtain the voltage value output by the battery cell 10 at the end of the preheating stage, it can be obtained when the heating element 30 reaches a preset temperature. For example, a temperature measuring element can be provided in the aerosol generating device 100, and the temperature measuring element and the controller are electrically connected. The temperature measuring element can be a thermocouple or an infrared temperature measurement method to monitor the temperature of the heating element 20. When the temperature of the heating element 30 reaches the preset temperature, the temperature measuring element feeds back the preset temperature to the controller, and the controller can obtain the output voltage value of the battery cell 10 according to the preset temperature control.

[0066] Alternatively, in some embodiments, according to the definition of TCR (temperature coefficient of resistance):

[0067] TCR=(R2-R1) / R1*1 / (T2-T1)

[0068] The temperature of the heating element 30 can also be characterized by the resistance value of the heating element 30, that is, the preheating temperature can be characterized as a preset resistance value of the heating element 30. The actual resistance value of the heating element 30 can be obtained by measuring the voltage and current of the heating element 30. When the actual resistance value reaches the preset resistance value, it means that the heating element 30 has reached the preset temperature. At this time, the aerosol generating device 100 is switching from the preheating stage to the suction stage, and the controller can control the acquisition of the output voltage value of the battery cell 10, thereby obtaining the output voltage value of the battery cell 10 at the end of the preheating stage.

[0069] In some embodiments, the following method may be used to obtain the lowest voltage value output by the battery cell in the current working cycle, such as Figure 5 As shown,

[0070] S11, obtaining the current output voltage value of the battery cell;

[0071] S12, comparing the current output voltage value with the previous output voltage value of the battery cell;

[0072] S13, if the current output voltage value is less than the previous output voltage value of the battery cell, saving the current output voltage value;

[0073] If the current output voltage value is greater than the last output voltage value of the battery cell, the last output voltage value is saved.

[0074] Specifically, a voltage detection unit may be provided in the aerosol generating device 100, and the voltage detection unit is electrically connected to the controller of the aerosol generating device. The controller is configured to control the voltage detection unit to detect the output voltage of the battery cell 10 in a timed manner, and compare the current output voltage value of the battery cell 10 with the voltage value outputted by the battery cell 10 last time. If the current voltage value is less than the voltage value outputted by the battery cell 10 last time, the current output voltage value is saved; if the current voltage value is greater than the voltage value outputted by the battery cell last time, the voltage value last time is saved.

[0075] For example, if the current output voltage of the battery cell 10 detected by the voltage detection unit is 3.9V, and the last output voltage of the battery cell 10 was 4.0V, the controller will save the current output of 3.9V; and if the last output voltage of the battery cell 10 was 3.8V, the controller will save the last voltage value of 3.8V. Therefore, through this successive comparison method, after the entire working cycle is completed, what is saved in the controller is the lowest output voltage value of the battery cell 10 in the entire working cycle.

[0076] S20, comparing the voltage value with the threshold voltage;

[0077] S30, if the voltage value is less than the threshold voltage, control the output of a warning sign, and store the warning sign, so that the aerosol generating device does not start heating according to the warning sign when it works next time.

[0078] After obtaining the output voltage value of the battery cell 10 at the end of the preheating stage through step S10, a threshold voltage can be preset in the aerosol generating device 100, and the voltage value is compared with the threshold voltage. The threshold voltage refers to the minimum voltage value that can basically meet the normal operation of the entire system of the aerosol generating device 100 in the current working cycle.

[0079] The threshold voltage may be, for example, the minimum operating voltage of the system, which is the minimum operating voltage value that occurs at any point in the system at any time when the system is operating normally. Specifically, the threshold voltage may be the minimum input voltage of an LDO (Low Dropout Regulator). In addition to the controller, the mainboard 20 is usually provided with an LDO circuit. The LDO is electrically connected between the battery cell 10 and the MCU or the peripheral device of the MCU on the mainboard 20, and the output voltage of the battery cell 10 is stabilized, and then the stabilized voltage is supplied to the MCU or the peripheral device of the MCU. The input voltage of the LDO usually has a range, which has a minimum input voltage. When the output voltage value of the battery cell 10 is less than the minimum input voltage of the LDO, the LDO will not be able to stabilize the voltage well, thereby affecting the power supply of the MCU or the peripheral device of the MCU. As a power supply module at the next level of the battery cell 10, the LDO is a relatively critical voltage in the minimum operating voltage of the system in the aerosol generating device 100. Therefore, it is more appropriate to use the minimum input voltage of the LDO as the threshold voltage.

[0080] When the output voltage value of the battery cell 10 is less than the threshold voltage, the controller controls the output of a warning sign and stores the warning sign. When the aerosol generating device 100 is in a working cycle, the controller will control the aerosol generating device 100 to first detect whether there is the warning sign. If the warning sign is detected, it means that the power of the battery cell 10 is insufficient and cannot support the aerosol generating device 100 to complete this working cycle, or that the power of the battery cell 10 is insufficient, which will cause an abnormality in the aerosol generating device 100 during this working cycle. Then, the controller controls the heating element 30 not to start according to the warning sign. In some embodiments, the controller can control the aerosol generating device 100 to perform other functions while controlling the heating element 30 not to start according to the warning sign, such as controlling the indicator light to work normally to realize the indication function; or, in some embodiments, the controller can control the entire aerosol generating device 100 not to start according to the warning sign, and of course the heating element 30 will not start at this time.

[0081] It should be noted that after the controller outputs a warning sign during the current operation, the controller will not control the heating element 30 to stop working. That is to say, in the current working cycle, even if the warning sign is output, the heating element 30 will continue to work so that the user can complete the puffing in the current working cycle, but it may lead to a decrease in the puffing taste.

[0082] In some embodiments, when the preheating stage is completed, the aerosol generating device 100 will generate a prompt message through a prompt unit to inform the user that the preheating stage has been completed. The prompt unit may be, for example, a vibration motor, an indicator light, etc. Therefore, the threshold voltage may also be the minimum voltage required for the normal operation of these prompt units. When the output voltage value of the battery cell 10 is less than the minimum voltage of the prompt unit, that is, less than the threshold voltage, the prompt unit will not work properly, and the prompt unit cannot generate a prompt message at the end of the preheating stage, so that the user does not know when the aerosol generating device 100 has completed preheating. Therefore, it is also reasonable to use the minimum voltage required for the normal operation of the prompt unit as the threshold voltage.

[0083] In some embodiments, after the warning sign is generated, it is necessary to remove the warning sign so that the aerosol generating device 100 can be used normally after being recharged. Figure 6 As shown, the control method also includes:

[0084] S40, obtaining a charging signal of the aerosol generating device;

[0085] S50: canceling the warning sign according to the charging signal.

[0086] The aerosol generating device 100 generally also includes a charging and discharging unit, which is electrically connected to the controller and is used to control an external charging device such as an adapter or a power bank to charge the battery cell 10. When the aerosol generating device 100 is charging, the controller can obtain a charging signal, and the controller can remove the warning sign based on the charging signal. Since the battery cell 10 is replenished after charging, there is no need to set the warning sign for the aerosol generating device 100.

[0087] In some embodiments, in order to prevent the user from charging the aerosol generating device 100 for too short a time, resulting in the failure to replenish the power of the battery cell 10, step S50 may further include:

[0088] S51, recording the holding time of the charging signal;

[0089] Specifically, a timer can be set in the aerosol generating device 100, and the timer and the controller are electrically connected. When the controller obtains the charging signal, the controller simultaneously controls the timer to start working to record the duration of the charging signal until the user no longer charges the aerosol generating device 100.

[0090] S52, if the holding time reaches the preset time, control to remove the warning sign; if the holding time is less than the preset time, keep the warning sign.

[0091] Specifically, a preset duration may be pre-set in the aerosol generating device 100. When the holding duration in step S51 reaches the preset duration, it means that the power of the battery cell 10 has been sufficiently replenished, and the controller may remove the warning sign to restore the normal use of the aerosol generating device 100. When the holding duration is less than the preset duration, it means that the charging time is too short, the power of the battery cell 10 is replenished too little, and the aerosol generating device 100 cannot complete the next full working cycle, so the warning sign needs to be maintained. At the same time, in order to let the user know that the aerosol generating device 100 will not start heating in the next working cycle if the charging time is too short, when the user cancels the charging of the aerosol generating device 100, a prompt message may be set to inform the user that the charging time is too short and the heating cannot be started, so that the user can continue to charge so that the charging time reaches the preset duration.

[0092] In some embodiments, it is also possible not to compare the lowest voltage value output by the battery cell 10 with the threshold voltage. Figure 8 As shown, a flow chart of the steps of a control method of an aerosol generating device 100 provided in another embodiment of the present application, the method comprises:

[0093] S60, obtaining an output voltage value of the battery cell;

[0094] S70, comparing the output voltage value with a preset threshold voltage;

[0095] S80, if the output voltage value is less than the threshold voltage, generating a warning sign and storing the warning sign;

[0096] S90: Determine, based on the warning sign, that the aerosol generating device does not start heating in the next working cycle.

[0097] Specifically, the aerosol generating device 100 is provided with a voltage detection unit for detecting the output voltage of the battery cell 10. The voltage detection unit is electrically connected to the controller. The voltage detection unit can send the detected current output voltage value of the battery cell 10 to the controller. At the same time, the controller of the aerosol generating device 100 pre-stores a threshold voltage, so that the controller can compare the output voltage value of the battery cell 10 with the threshold voltage. The threshold voltage refers to the minimum voltage value that can basically meet the normal operation of the entire system of the aerosol generating device 100 in the current working cycle.

[0098] If the output voltage value of the battery cell 10 is less than the threshold voltage, it means that the power in the battery cell 10 has been consumed to a large extent. If the battery cell 10 is not charged, the power of the battery cell 10 is insufficient to maintain the aerosol generating device 100 to complete the next working cycle, that is, it is insufficient to complete the complete heating process in the next working cycle. Therefore, the controller generates a warning sign and saves the warning sign. When the aerosol generating device 100 is started in the next working cycle, the aerosol generating device 100 can check in advance whether there is the warning sign. If the warning sign is detected, the controller can control the heating element 30 not to work according to the warning sign, that is, control the aerosol generating device 100 not to start heating, so as to avoid the aerosol generating device 100 from abnormality due to insufficient power of the battery cell 10 in the next working cycle.

[0099] If the output voltage value of the battery cell 10 is greater than the threshold voltage, it means that the battery cell 10 has sufficient power at this time, and the controller controls not to generate the warning sign, and the aerosol generating device 100 can heat normally in the next working cycle. The controller can control the aerosol generating device 100 to obtain the output voltage value of the battery cell 10 at a regular interval in the current working cycle. The higher the frequency of acquisition, the more times, the more timely it can judge whether the current output voltage value of the battery cell 10 is less than the threshold voltage.

[0100] Therefore, the control method of the aerosol generating device 100 provided in this embodiment does not need to obtain the lowest voltage value output by the battery cell 10 in the current working cycle, but only needs to directly compare the output voltage of the battery cell 10 obtained each time with the threshold voltage. If in a certain comparison, the output voltage value of the battery cell 10 is less than the threshold voltage, a warning sign is generated.

[0101] Further, such as Figure 7 As shown, the controller includes: at least one processor; and a memory connected to the at least one processor in communication. Figure 7 A processor is taken as an example. The memory stores instructions that can be executed by at least one processor, and the instructions are executed by at least one processor so that at least one processor can execute the control method of the above embodiment. The processor and the memory can be connected via a bus or other means. Figure 7 The example of connecting through bus is taken in the following.

[0102] The processor can be implemented by using at least one of the following: an application specific integrated circuit (ASIC), a digital signal processor (DSP), a digital signal processing device (DSPD), a programmable logic device (PLD), a field programmable gate array (FPGA), a processor, a controller, a microcontroller, a microprocessor, and other electronic units that perform these functions.

[0103] The memory includes a high-speed random access memory and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some embodiments, the memory may optionally include a memory remotely arranged relative to the processor, and these remote memories may be connected to the aerosol generating device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0104] The memory is used to store non-volatile software programs, non-volatile computer executable programs and modules, such as program instructions / units corresponding to the control method / device involved in this article. The processor executes various functional applications and data processing of the aerosol generating device by running the non-volatile software programs, instructions and units stored in the memory, that is, realizing the control method described in the above embodiment.

[0105] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Under the concept of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present application as described above, which are not provided in detail for the sake of simplicity. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A control method for an aerosol generating device, wherein the aerosol generating device comprises a heating element and a battery core, wherein the battery core is used to provide power to the heating element, and the heating element is used to heat an aerosol product to generate an aerosol, wherein: The control method comprises: Get the lowest voltage value output by the battery cell in the current working cycle; Comparing the minimum voltage value with a preset threshold voltage; If the minimum voltage value is less than the threshold voltage, a warning sign is generated and the warning sign is stored; According to the warning sign, it is determined that the aerosol generating device does not start heating in the next working cycle.

2. The control method according to claim 1, characterized in that: The obtaining of the lowest voltage value output by the battery cell in the current working cycle includes: Obtaining the voltage value output by the battery cell at the end of the preheating stage; The voltage value is determined to be the lowest voltage value.

3. The control method according to claim 1, characterized in that: The obtaining of the lowest voltage value output by the battery cell in the current working cycle includes: Obtaining the current output voltage value of the battery cell; Compare the current output voltage value with the previous output voltage value of the battery cell; If the current output voltage value is less than the previous output voltage value of the battery cell, the current output voltage value is saved; If the current output voltage value is greater than the last output voltage value of the battery cell, the last output voltage value is saved.

4. The control method according to claim 1, characterized in that: The preset threshold voltage includes the system minimum operating voltage.

5. The control method according to claim 2, characterized in that: The aerosol generating device further comprises a prompt unit, wherein the prompt unit is configured to generate a prompt message at the end of the preheating stage, and the threshold voltage comprises a minimum voltage required for the prompt unit to operate normally.

6. The control method according to claim 2, characterized in that: The obtaining of the voltage value output by the battery cell at the end of the preheating stage includes: Obtaining the current temperature of the heating element; If the current temperature reaches the preset temperature of the preheating stage, the voltage value output by the battery cell is obtained.

7. The control method according to claim 1, characterized in that: The method further comprises: obtaining a charging signal of the aerosol generating device; The warning sign is removed according to the charging signal.

8. The control method according to claim 7, characterized in that: The method of removing the warning sign according to the charging signal further includes: Recording the duration of the charging signal; If the holding time reaches a preset time, controlling to remove the warning sign; If the holding time is shorter than the preset time, the warning sign is kept.

9. The control method according to claim 1, characterized in that: If the voltage value is less than the threshold voltage, a warning sign is generated and the warning sign is stored. The method further includes: The heating element is controlled not to stop heating in the current working cycle.

10. A control method for an aerosol generating device, the aerosol generating device comprising a heating element and a battery core, the battery core being used to provide power to the heating element, the heating element being used to heat an aerosol product to generate an aerosol, characterized in that: The control method comprises: Acquire the output voltage value of the battery cell multiple times; Comparing the output voltage value obtained each time with a preset threshold voltage; If the output voltage value is less than the threshold voltage, a warning sign is generated and the warning sign is stored; According to the warning sign, it is determined that the aerosol generating device does not start heating in the next working cycle.

11. An aerosol generating device, comprising a controller, characterized in that: The controller includes a processor and a memory, the memory stores a computer program, and the processor implements the control method of the aerosol generating device according to any one of claims 1 to 10 when executing the computer program.

12. The control method according to claim 11, characterized in that: The aerosol generating device includes an LDO circuit electrically connected to the battery cell, and the threshold voltage includes a minimum input voltage of the LDO circuit.

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