Aerosol generation device, control method, control device, and readable storage medium

Abstract

In the aerosol generating device (100), the control method, the control device, and the readable storage medium, the aerosol generating device (100) includes an atomization chamber (103) and a microwave module (104). The atomization chamber (103) is used to accommodate an aerosol-generating substrate, and the microwave module (104) is used to supply microwaves to the atomization chamber (103). The control method includes controlling the microwave module (104) to perform a sweeping operation within a microwave frequency range to search for a target microwave frequency within the microwave frequency range, determining the presence status of the aerosol-generating substrate in the atomization chamber (103) based on a numerical relationship between the target microwave frequency and a set frequency range, and controlling an operating state of the microwave module (104) based on the presence status of the aerosol-generating substrate. The target microwave frequency in the current state of the atomization chamber (103) is determined by the sweeping operation of the microwave module (104), thereby detecting the presence or absence of the aerosol-generating substrate in the atomization chamber (103). This prevents microwaves from being supplied to the hollow atomization chamber (103), thereby extending the service life of the aerosol generation device (100).

Description

Technical Field

[0001] This application belongs to the technical field of electronic atomization, and specifically relates to a control method for an aerosol generating device, a control device for an aerosol generating device, an aerosol generating device, and a readable storage medium.

Background Art

[0002] A non-combustion heating (Heat Not Burning, HNB) device is an electronic device that heats an aerosol generating substrate (processed plant leaf products) without burning it. Non-combustion and heating The device heats the aerosol generating substrate to a high temperature at which the aerosol generating substrate can generate an aerosol but does not reach the combustion temperature, so that, on the premise of non-combustion, the user-desired aerosol can be generated by the aerosol generating substrate.

[0003] Currently, commercially available non-combustion heating appliances mainly adopt a resistance heating method. That is, it is heated by inserting a central heating chip or a heating needle, etc. to E into the inside of the aerosol generating substrate. Such appliances require preheating and the like before use, so the waiting time is long, and inhalation and stopping cannot be freely performed. Moreover, the aerosol generating substrate is carbonized unevenly, and the baking of the aerosol generating substrate is insufficient, so the utilization rate is low. In addition, the heating chip of the HNB appliance is likely to get dirty on the aerosol generating substrate taking-out device and the heating chip base, and it is difficult to clean. Moreover, the temperature of the aerosol generating substrate in the part contacting the heating element becomes too high, and partial decomposition occurs, so harmful substances to the human body are released. Therefore, instead of the resistance heating method, the microwave heating technology is gradually becoming a new heating method. The microwave heating technology has the characteristics of being efficient, rapid, selective, and having no delay in heating, and has a heating effect only on substances with specific dielectric properties. The following are the application advantages when adopting atomization by microwave heating.

[0004] a. Microwave heating is radiative heating, not heat conduction, so instant inhalation and instant stop can be realized.

[0005] b. Since it does not have a heating chip, there are no problems such as chip breakage or cleaning of the heating chip.

[0006] c. The utilization rate of the aerosol generation substrate is high, the consistency of the draw response is high, and the draw response is even more approximated to that of tobacco.

[0007] However, the conventional microwave heating type HNB device has a risk of cavity burnout, which shortens the service life of the device.

Summary of the Invention

Problems to be Solved by the Invention

[0008] The present application aims to solve one of the technical problems existing in the prior art or related technologies.

Means for Solving the Problems

[0009] In view of this, in a first aspect, an embodiment of the present application provides a control method for an aerosol generator. The aerosol generator includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate an aerosol generation substrate, and the microwave module is used to supply microwaves to the atomization chamber. The control method includes controlling the microwave module to perform a sweeping operation within a range of microwave frequencies to search for a target microwave frequency within the range of microwave frequencies, identifying the presence state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range, and controlling the operating state of the microwave module based on the presence state of the aerosol generation substrate.

[0010] The control method provided in this application is used for controlling an aerosol generating device, and the aerosol generating device is used for heating an aerosol generating substrate. The aerosol generating substrate may be a solid aerosol generating substrate or a liquid aerosol generating substrate. An atomization chamber for accommodating the aerosol generating substrate is provided in the aerosol generating device. The microwave module can supply microwaves into the atomization chamber, and the aerosol generating substrate is heated by the action of the microwaves and atomized.

[0011] When the aerosol generating device receives an atomization start command, it controls the microwave module to perform a sweeping operation within the range of microwave frequencies. Specifically, it controls the microwave module to sequentially supply microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies. Then, based on the change of the parameters in the atomization chamber, the target microwave frequency within the range of microwave frequencies is determined. The target microwave frequency is the optimal frequency point when the microwave module operates in the current state of the atomization chamber. That is, it is the microwave frequency at which the absorption amount of microwaves in the atomization chamber is maximized. Also, based on the numerical relationship between the target microwave frequency and the set frequency range, the presence state of the aerosol generating substrate in the atomization chamber, that is, whether the aerosol generating substrate is accommodated in the atomization chamber or not, can be judged. Then, based on the presence state of the aerosol generating substrate in the atomization chamber, the operation of the microwave module is controlled. When it is detected that the aerosol generating substrate is accommodated in the atomization chamber, the aerosol generating substrate is atomized by heating by controlling the operation of the microwave module as usual. On the other hand, when it is detected that the atomization chamber is in a hollow state, in order to avoid shortening the service life of the aerosol generating device by supplying microwaves into the hollow, the microwave module is controlled to stop operating. In this application, by determining the target microwave frequency in the current state of the atomization chamber through the sweeping operation of the microwave module, the presence or absence of the aerosol generating substrate in the atomization chamber is detected. Thereby, by avoiding the supply of microwaves to the atomization chamber in a hollow state, the service life of the aerosol generating device is extended.

[0012] As can be understood, there is a significant difference in the target microwave frequency determined by sweeping between the case where the atomization chamber is in a hollow state and the case where an aerosol generation substrate is accommodated in the atomization chamber. Therefore, it is possible to accurately determine whether or not an aerosol generation substrate is accommodated in the atomization chamber from the numerical relationship between the target microwave frequency obtained by sweeping and the set frequency range.

[0013] In addition, the control method of the aerosol generator in the above technical solution provided based on the present application may further have the following additional technical features.

[0014] In a possible design, the step of specifying the presence state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range specifically includes specifying that the aerosol generation substrate in the atomization chamber is in a non - existent state based on the fact that the target microwave frequency is smaller than the minimum value within the set frequency range; specifying that the aerosol generation substrate in the atomization chamber is in a present state based on the fact that the target microwave frequency is larger than the maximum value within the set frequency range; and specifying the presence state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range based on the fact that the target microwave frequency is within the set frequency range.

[0015] In this design, the maximum value within the set frequency range is the optimal frequency point when the aerosol generation substrate in the atomization chamber is in a present state. Also, the minimum value within the set frequency range is the optimal frequency point when the atomization chamber is in a hollow state, that is, when the aerosol generation substrate is in a non - existent state.

[0016] When it is detected that the target microwave frequency is smaller than the minimum value within the set frequency range, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0017] Also, when it is detected that the target microwave frequency is greater than the maximum value within the set frequency range, it is determined that the aerosol generation substrate in the atomization chamber is in an existing state, that is, the aerosol generation substrate is located in the atomization chamber.

[0018] Also, when it is detected that the target microwave frequency is within the range of the microwave frequency, further, based on the numerical relationship between the average value of the range of the microwave frequency and the target microwave frequency, the state of the aerosol generation substrate in the atomization chamber is detected.

[0019] By comparing the target microwave frequency with the numerical values within the set frequency range, the accuracy of determining whether the aerosol generation substrate is accommodated in the atomization chamber is improved. According to the above detection method, it is possible to accurately detect whether the aerosol generation substrate is accommodated in the atomization chamber, so that the situation of performing microwave heating on an empty atomization chamber due to a determination error is avoided.

[0020] It should be noted that the optimal frequency points are different between the case where the atomization chamber is in a hollow state and the case where the atomization chamber contains the aerosol generation substrate. Let the optimal frequency point when the atomization chamber is in a hollow state be a, and the optimal frequency point when the atomization chamber contains the aerosol generation substrate be b. Then, the difference between a and b is 25 to 35 MHz. Also, the target microwave frequency obtained by sweeping is usually a ± 2 MHz or b ± 2 MHz. Therefore, by setting the set frequency range to a to b and based on the numerical relationship between the target microwave frequency and a and b, it is possible to accurately determine the presence state of the aerosol generation substrate in the atomization chamber.

[0021] In a possible design, the step of specifying the presence state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range specifically includes specifying that the aerosol generation substrate in the atomization chamber is in an existing state based on the fact that the target microwave frequency is greater than the frequency average value, and specifying that the aerosol generation substrate in the atomization chamber is in a non-existing state based on the fact that the target microwave frequency is less than or equal to the frequency average value.

[0022] In this design, when it is detected that the target microwave frequency is within the range of microwave frequencies, the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range is determined, and based on this numerical relationship, the presence state of the aerosol generation substrate in the atomization chamber is further determined.

[0023] When it is detected that the target microwave frequency is greater than the frequency average value, it is determined that the aerosol generation substrate in the atomization chamber is in a present state, that is, the aerosol generation substrate is located in the atomization chamber.

[0024] Also, when it is detected that the target microwave frequency is less than or equal to the frequency average value, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0025] When the target microwave frequency is within the range of microwave frequencies, the presence state of the aerosol generation substrate in the atomization chamber can be accurately determined by comparing the numerical values of the target microwave frequency and the frequency average value. According to the above detection method, it is possible to accurately detect whether the aerosol generation substrate is accommodated in the atomization chamber, and the detection accuracy regarding the presence or absence of the aerosol generation substrate is further improved. Therefore, the occurrence of a situation where microwave heating is performed on an empty atomization chamber due to a determination error is avoided.

[0026] In a possible design, the step of controlling the operating state of the microwave module based on the presence state of the aerosol generation substrate specifically includes controlling the microwave module to supply microwaves to the atomization chamber at the target microwave frequency based on the fact that the aerosol generation substrate is in a present state, and controlling the microwave module to stop the operation and output a caution information based on the fact that the aerosol generation substrate is in a non - present state.

[0027] When it is detected that the aerosol generation substrate is in a present state in the design, that is, when the aerosol generation substrate is accommodated in the atomization chamber, it is determined at this point that the aerosol generation substrate can be atomized by normal microwave heating, and the microwave module is controlled to supply microwaves into the atomization chamber at the target microwave frequency. The target microwave frequency is the microwave frequency determined by the microwave module by sweeping. By supplying microwaves of the target microwave frequency into the atomization chamber, the aerosol generation substrate in the atomization chamber can be brought into an optimal atomization state. That is, the absorption effect that the aerosol generation substrate can exhibit with respect to the microwaves of the target microwave frequency is optimized. As a result, not only the energy consumption of the aerosol generator is reduced, but also the atomization efficiency of the aerosol generation substrate is improved, so that the harmful substances generated by the non-uniform heat received by the aerosol generation substrate are reduced.

[0028] When it is detected that the aerosol generation substrate is in a non-present state, the atomization chamber is in a hollow state. In this case, by controlling the microwave module to stop the operation, the shortening of the service life of the aerosol generator caused by the microwave module continuously supplying microwaves to the hollow atomization chamber is avoided. Moreover, when it is detected that the atomization chamber is in a hollow state, by outputting a caution information, the user is cautioned to place the aerosol generation substrate in the atomization chamber, thereby improving the user experience.

[0029] In a possible design, the microwave module includes a microwave generating device and a microwave antenna. The microwave antenna is connected to the microwave generating device. The microwave antenna is used to emit the microwave generated by the microwave generating device into the atomization chamber and to receive a feedback signal. The step of controlling the microwave module to perform a sweeping operation within the range of microwave frequencies to search for a target microwave frequency within the range of microwave frequencies specifically includes controlling the microwave module to emit microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies, detecting the feedback power value of the feedback signal corresponding to each microwave frequency, and selecting a target microwave frequency within the range of microwave frequencies based on the feedback power value corresponding to each microwave frequency.

[0030] In this design, the microwave module includes a microwave generating device and a microwave antenna. The microwave generating device can generate microwaves of a corresponding frequency, and the microwave antenna can supply microwaves of a corresponding frequency into the atomization chamber. After the microwaves enter the atomization chamber, the microwave antenna can receive a feedback signal corresponding to the microwaves. The microwave module further includes a first power detection device and a second power detection device. The first power detection device is connected to the microwave generating device and can collect the operating power value of the microwave generating device during the operation process of the microwave generating device. The second power detection device is connected to the microwave antenna and can detect the feedback power value of the feedback signal received by the microwave antenna.

[0031] Controlling the microwave module to supply microwaves into the atomization chamber at each microwave frequency within the microwave frequency range means controlling the microwave module to sequentially emit microwaves with different microwave frequencies into the atomization chamber. During the process of the microwave module emitting microwaves, feedback signals corresponding to each microwave frequency are simultaneously received, and the feedback power values of each feedback signal are specified by the second power detection device. Then, based on the detected feedback power values, the target microwave frequency within the microwave frequency range is selected and Thereby, the target microwave frequency with the most excellent absorption effect in the atomization chamber is determined. By means of the sweeping operation method, by selecting microwaves within the microwave frequency range, it is possible to determine the target microwave frequency with the most excellent absorption effect in the current atomization chamber. Thereby, when an aerosol generation substrate is accommodated in the atomization chamber, by supplying microwaves with the target microwave frequency into the atomization chamber, the atomization effect of the aerosol generation substrate can be improved.

[0032] In a possible design, the step of selecting the target microwave frequency within the microwave frequency range based on the feedback power values corresponding to each microwave frequency specifically includes detecting the operating power values corresponding to the microwaves of each microwave frequency output by the microwave module, calculating the ratio of the feedback power value and the operating power value corresponding to each microwave frequency to obtain the power ratio, and selecting the target microwave frequency within the microwave frequency range based on the power ratio corresponding to each microwave frequency.

[0033] In this design, the operating power values corresponding to each microwave frequency are detected by the first power detection device. And it is possible to obtain the power ratio by calculating the ratio of the operating power value and the corresponding feedback power value. The calculation formula of the power ratio is as follows.

[0034] N = P1 / P2

[0035] P1 is the feedback power value, P2 is the operating power value, and N is the power ratio.

[0036] The smaller the value of N, the better the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is good. Also, the larger the value of N, the worse the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is poor.

[0037] In a possible design, the step of selecting a target microwave frequency within the range of microwave frequencies based on the power ratio corresponding to each microwave frequency specifically includes identifying the minimum power ratio among the power ratios corresponding to each microwave frequency, and searching for the microwave frequency corresponding to the minimum power ratio to determine the target microwave frequency.

[0038] In this design, by arranging the power ratios corresponding to each microwave frequency in descending order of numerical magnitude, the operating frequency corresponding to the minimum power ratio is set as the target microwave frequency. By calculating the power ratio, the error part in the sweeping stage can be filtered, so the selection accuracy of the target microwave frequency is improved. Thereby, the determination error regarding the target microwave frequency is avoided.

[0039] In a possible design, the step of selecting a target microwave frequency within the range of microwave frequencies based on the feedback power value corresponding to each microwave frequency specifically includes identifying the minimum feedback power value among the feedback power values corresponding to each microwave frequency, and searching for the microwave frequency corresponding to the minimum feedback power value to determine the target microwave frequency.

[0040] In this design, the minimum feedback power value is identified by arranging the feedback power values directly in descending order of numerical magnitude. Then, the microwave frequency corresponding to the minimum feedback power value is set as the target microwave frequency.

[0041] As can be understood, when the microwave generating device outputs microwaves with different frequencies, the change in the operating power is small. Therefore, if the microwave frequency corresponding to the minimum feedback power is directly selected as the target microwave frequency, on the premise of ensuring the selection accuracy of the target microwave frequency, the amount of data processing is reduced.

[0042] In a second aspect, the embodiments of the present application provide a control device for an aerosol generating device. The aerosol generating device includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate an aerosol generating substrate, and the microwave module is used to supply microwaves to the atomization chamber. The control device of the aerosol generating device includes a search unit that controls the microwave module to perform a sweeping operation within the range of microwave frequencies to search for a target microwave frequency within the range of microwave frequencies, a detection unit that identifies the presence state of the aerosol generating substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range, and a control unit that controls the operating state of the microwave module based on the presence state of the aerosol generating substrate.

[0043] The control device provided in the present application is used for the control of an aerosol generating device, and the aerosol generating device is used for heating an aerosol generating substrate. The aerosol generating substrate may be a solid aerosol generating substrate or a liquid aerosol generating substrate. An atomization chamber for accommodating the aerosol generating substrate is provided in the aerosol generating device. The microwave module can supply microwaves into the atomization chamber, and the aerosol generating substrate receives heat under the action of the microwaves and is atomized.

[0044] When the search unit receives an atomization start command, it controls the microwave module to perform a sweeping operation within the range of microwave frequencies. Specifically, it controls the microwave module to sequentially supply microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies. Then, based on the change in the parameters within the atomization chamber, it determines the target microwave frequency within the range of microwave frequencies. The target microwave frequency is the optimal frequency point when the microwave module operates in the current state of the atomization chamber. That is, it is the microwave frequency at which the absorption amount of microwaves in the atomization chamber is maximized. The detection unit can determine the presence state of the aerosol generation substrate within the atomization chamber, that is, whether the aerosol generation substrate is contained in the atomization chamber, based on the numerical relationship between the target microwave frequency and the set frequency range. The control unit controls the operation of the microwave module based on the presence state of the aerosol generation substrate within the atomization chamber. When it is detected that the aerosol generation substrate is contained in the atomization chamber, the aerosol generation substrate is atomized by heating by controlling the operation of the microwave module as usual. On the other hand, when it is detected that the atomization chamber is in a hollow state, in order to avoid shortening the service life of the aerosol generator by supplying microwaves into the cavity, the microwave module is controlled to stop operating. In the present application, by determining the target microwave frequency in the current state of the atomization chamber through the sweeping operation of the microwave module, the presence or absence of the aerosol generation substrate within the atomization chamber is detected. Thereby, by avoiding the supply of microwaves to the atomization chamber in a hollow state, the service life of the aerosol generator is extended.

[0045] As can be understood, there is a significant difference in the target microwave frequency determined by sweeping between the case where the atomization chamber is in a hollow state and the case where the aerosol generation substrate is contained in the atomization chamber. Therefore, it is possible to accurately determine whether the aerosol generation substrate is contained in the atomization chamber from the numerical relationship between the target microwave frequency obtained by sweeping and the set frequency range.

[0046] In addition, the control device of the aerosol generator in the above technical solution provided based on the present application may further have the following additional technical features.

[0047] In a possible design, the detection unit further identifies that the aerosol generation substrate in the atomization chamber is in a non-existent state based on the fact that the target microwave frequency is smaller than the minimum value within the set frequency range. The detection unit further identifies that the aerosol generation substrate in the atomization chamber is in an existent state based on the fact that the target microwave frequency is larger than the maximum value within the set frequency range. The detection unit further identifies the existent state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range based on the fact that the target microwave frequency is within the set frequency range.

[0048] In this design, the maximum value within the set frequency range is the optimal frequency point when the aerosol generation substrate in the atomization chamber is in an existent state. Also, the minimum value within the set frequency range is the optimal frequency point when the atomization chamber is in a hollow state, that is, when the aerosol generation substrate is in a non-existent state.

[0049] When it is detected that the target microwave frequency is smaller than the minimum value within the set frequency range, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0050] Also, when it is detected that the target microwave frequency is larger than the maximum value within the set frequency range, it is determined that the aerosol generation substrate in the atomization chamber is in an existent state, that is, the aerosol generation substrate is located in the atomization chamber.

[0051] Also, when it is detected that the target microwave frequency is within the range of the microwave frequency, the state of the aerosol generation substrate in the atomization chamber is further detected based on the numerical relationship between the average value of the range of the microwave frequency and the target microwave frequency.

[0052] By comparing the target microwave frequency with the numerical values within the set frequency range, the accuracy of determining whether an aerosol generation substrate is contained in the atomization chamber is improved. According to the above detection method, since it is possible to accurately detect whether an aerosol generation substrate is contained in the atomization chamber, the occurrence of a situation where microwave heating is performed on an empty atomization chamber due to a determination error is avoided.

[0053] It should be noted that the optimal frequency points are different between the case where the atomization chamber is in a hollow state and the case where the atomization chamber contains an aerosol generation substrate. Let the optimal frequency point when the atomization chamber is in a hollow state be a, and the optimal frequency point when the atomization chamber contains an aerosol generation substrate be b. Then, the difference between a and b is 25 - 35 MHz. Also, the target microwave frequency obtained by sweeping is usually a ± 2 MHz or b ± 2 MHz. Therefore, by setting the set frequency range to a - b and based on the numerical relationship between the target microwave frequency and a and b, it becomes possible to accurately determine the presence state of the aerosol generation substrate in the atomization chamber.

[0054] In a possible design, the detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a present state based on the fact that the target microwave frequency is greater than the frequency average value. The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a non - present state based on the fact that the target microwave frequency is less than or equal to the frequency average value.

[0055] In this design, when it is detected that the target microwave frequency is within the range of the microwave frequency, the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range is judged, and based on this numerical relationship, the presence state of the aerosol generation substrate in the atomization chamber is further judged.

[0056] When it is detected that the target microwave frequency is greater than the frequency average value, it is determined that the aerosol generation substrate in the atomization chamber is in a present state, that is, the aerosol generation substrate is located in the atomization chamber.

[0057] Also, when it is detected that the target microwave frequency is equal to or lower than the frequency average value, it is determined that the atomization chamber is in a cavity state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0058] When the target microwave frequency is within the range of the microwave frequencies, the presence state of the aerosol generation substrate in the atomization chamber can be accurately determined by comparing the numerical values of the target microwave frequency and the frequency average value. According to the above detection method, it is possible to accurately detect whether the aerosol generation substrate is accommodated in the atomization chamber, and the detection accuracy regarding the presence or absence of the aerosol generation substrate is further improved. Therefore, the situation where microwave heating is performed on an empty atomization chamber due to a determination error is avoided.

[0059] In a possible design, the control unit further controls the microwave module to supply microwaves to the atomization chamber at the target microwave frequency based on the fact that the aerosol generation substrate is in a present state. The control unit further controls the microwave module to stop the operation and output a warning information based on the fact that the aerosol generation substrate is in an absent state.

[0060] In this design, when it is detected that the aerosol generation substrate is in a present state, that is, when the aerosol generation substrate is accommodated in the atomization chamber, it is determined that at this time, the aerosol generation substrate can be atomized by normal microwave heating, and the microwave module is controlled to supply microwaves to the atomization chamber at the target microwave frequency. The target microwave frequency is the microwave frequency determined by the microwave module by sweeping. By supplying microwaves of the target microwave frequency into the atomization chamber, the aerosol generation substrate in the atomization chamber can be brought into an optimal atomization state. That is, the absorption effect that the aerosol generation substrate can exhibit with respect to the microwaves of the target microwave frequency becomes optimal. Thereby, not only the energy consumption of the aerosol generator is reduced, but also the atomization efficiency of the aerosol generation substrate is improved, so that the harmful substances generated due to the non-uniform heat received by the aerosol generation substrate are reduced.

[0061] When it is detected that the aerosol generation substrate is in a non-existent state, the atomization chamber is in a hollow state. In this case, by controlling the microwave module to stop the operation, it is possible to avoid shortening the service life of the aerosol generator caused by the microwave module continuously supplying microwaves to the hollow atomization chamber. Further, when it is detected that the atomization chamber is in a hollow state, by outputting a warning message, the user is warned to place the aerosol generation substrate in the atomization chamber, thereby improving the user experience.

[0062] In a possible design, the control unit further controls the microwave module to emit microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies. The detection unit further detects the feedback power value of the feedback signal corresponding to each microwave frequency. The search unit further selects a target microwave frequency within the range of microwave frequencies based on the feedback power value corresponding to each microwave frequency.

[0063] In this design, the microwave module includes a microwave generator and a microwave antenna. The microwave generator can generate microwaves of a corresponding frequency, and the microwave antenna can supply microwaves of the corresponding frequency into the atomization chamber. After the microwaves enter the atomization chamber, the microwave antenna can receive a feedback signal corresponding to the microwaves. The microwave module further includes a first power detection device and a second power detection device. The first power detection device is connected to the microwave generator and can collect the operating power value of the microwave generator during the operation process of the microwave generator. The second power detection device is connected to the microwave antenna and can detect the feedback power value of the feedback signal received by the microwave antenna.

[0064] Controlling the microwave module to supply microwaves into the atomization chamber at each microwave frequency within the microwave frequency range means controlling the microwave module to sequentially emit microwaves with different microwave frequencies into the atomization chamber. During the process of the microwave module emitting microwaves, feedback signals corresponding to each microwave frequency are simultaneously received, and the feedback power values of each feedback signal are identified by the second power detection device. Then, based on the detected feedback power values, the target microwave frequency within the microwave frequency range is selected and Thereby, the target microwave frequency with the most excellent absorption effect in the atomization chamber is determined. By means of the sweeping operation method, by selecting microwaves within the microwave frequency range, it is possible to determine the target microwave frequency with the most excellent absorption effect in the current atomization chamber. Thereby, when an aerosol generation substrate is accommodated in the atomization chamber, by supplying microwaves with the target microwave frequency into the atomization chamber, the atomization effect of the aerosol generation substrate can be improved.

[0065] In a possible design, the detection unit further detects the operating power value corresponding to the microwave of each microwave frequency output by the microwave module. The control device further includes a calculation unit that obtains a power ratio by performing a ratio calculation on the feedback power value and the operating power value corresponding to each microwave frequency. The search unit further selects the target microwave frequency within the microwave frequency range based on the power ratio corresponding to each microwave frequency.

[0066] In this design, the operating power value corresponding to each microwave frequency is detected by the first power detection device. And it is possible to obtain a power ratio by performing a ratio calculation on the operating power value and the corresponding feedback power value. The calculation formula of the power ratio is as follows.

[0067] N = P1 / P2

[0068] P1 is the feedback power value, P2 is the operating power value, and N is the power ratio.

[0069] The smaller the value of N, the better the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is good. Also, the larger the value of N, the worse the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is poor.

[0070] In a possible design, the search unit further specifies the minimum power ratio among the power ratios corresponding to each microwave frequency. The search unit further searches for the microwave frequency corresponding to the minimum power ratio to determine the target microwave frequency.

[0071] In this design, by arranging the power ratios corresponding to each microwave frequency in descending order of numerical value, the operating frequency corresponding to the power ratio with the smallest numerical value is set as the target microwave frequency. By calculating the power ratio, the error part in the sweeping stage can be filtered, so the selection accuracy of the target microwave frequency is improved. Thereby, the determination error regarding the target microwave frequency is avoided.

[0072] In a possible design, the search unit further specifies the minimum feedback power value among the feedback power values corresponding to each microwave frequency. The search unit further searches for the microwave frequency corresponding to the minimum feedback power value to determine the target microwave frequency. In this design, by arranging the feedback power values directly in descending order of numerical value, the minimum feedback power value is specified. Then, the microwave frequency corresponding to the minimum feedback power value is set as the target microwave frequency.

[0073] As can be understood, when the microwave generating device outputs microwaves with different frequencies, the change in the operating power is small. Therefore, if the microwave frequency corresponding to the minimum feedback power is directly selected as the target microwave frequency, the amount of data processing is reduced on the premise of ensuring the selection accuracy of the target microwave frequency.

[0074] In a third aspect, an embodiment of the present application provides an aerosol generating device. The aerosol generating device includes an atomization chamber for accommodating an aerosol generating substrate, a microwave module for supplying microwaves into the atomization chamber, and a control device of the aerosol generating device in any possible design of the second aspect connected to the microwave module.

[0075] The aerosol generating device provided in the present application includes an atomization chamber, a microwave module, and a control device of the aerosol generating device. The aerosol generating device is used for heating the aerosol generating substrate. The aerosol generating substrate may be a solid aerosol generating substrate or a liquid aerosol generating substrate. An atomization chamber for accommodating the aerosol generating substrate is provided in the aerosol generating device. The microwave module can supply microwaves into the atomization chamber, and the aerosol generating substrate receives heat under the action of the microwaves and is atomized.

[0076] The control device of the aerosol generating device is connected to the microwave module and controls the operation of the microwave module. The control device of the aerosol generating device selects the control device of the aerosol generating device in any possible design of the second aspect. Therefore, it has all the beneficial technical effects of the control device of the aerosol generating device in any possible design of the second aspect, which will not be described in detail here.

[0077] In a fourth aspect, embodiments of the present application provide an aerosol generating device. The aerosol generating device includes a memory storing a program or instructions, and a processor configured to execute the program or instructions stored in the memory to implement the steps of the control method of the aerosol generating device in any possible design of the first aspect. Therefore, it has all the beneficial technical effects of the control method of the aerosol generating device in any possible design, which will not be elaborated herein further.

[0078] The aerosol generating device provided in the present application further includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate an aerosol generating substrate, and the microwave module is used to supply microwaves into the atomization chamber. When the microwaves act on the aerosol generating substrate, the aerosol generating substrate receives heat and atomizes. The microwave module is connected to the processor. The processor controls the microwave module of the aerosol generating device by executing the control method of the aerosol generating device.

[0079] In a fifth aspect, embodiments of the present application provide an aerosol generating device. The aerosol generating device includes a housing, an atomization chamber for accommodating an aerosol generating substrate, a microwave module for supplying microwaves into the atomization chamber, and a control device configured to control the microwave module to perform a sweeping operation within the range of microwave frequencies to search for a target microwave frequency within the range of microwave frequencies, identify the presence state of the aerosol generating substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range, and control the operating state of the microwave module based on the presence state of the aerosol generating substrate.

[0080] The aerosol generating device provided in this application includes a housing, an atomization chamber, a microwave module, and a control device. An atomization chamber is provided inside the housing. The atomization chamber is used to accommodate an aerosol generation substrate. The output end of the microwave module communicates with the atomization chamber. When the microwave module is powered on and operates to supply microwaves into the atomization chamber, the aerosol generation substrate receives heat under the action of the microwaves and atomizes.

[0081] When the control device receives an atomization start command, it controls the microwave module to perform a sweeping operation within the range of microwave frequencies. Specifically, it controls the microwave module to supply microwaves into the atomization chamber in sequence at each microwave frequency within the range of microwave frequencies. Then, based on the change in the parameters inside the atomization chamber, it determines the target microwave frequency within the range of microwave frequencies. The target microwave frequency is the optimal frequency point when the microwave module operates in the current state of the atomization chamber. That is, it is the microwave frequency at which the absorption of microwaves inside the atomization chamber is maximized. Also, based on the numerical relationship between the target microwave frequency and the set frequency range, it is possible to judge the presence state of the aerosol generation substrate inside the atomization chamber, that is, whether the aerosol generation substrate is accommodated inside the atomization chamber or not. Then, based on the presence state of the aerosol generation substrate inside the atomization chamber, it controls the operation of the microwave module. When it is detected that the aerosol generation substrate is accommodated inside the atomization chamber, the aerosol generation substrate is atomized by heating by controlling the operation of the microwave module as usual. On the other hand, when it is detected that the atomization chamber is in a hollow state, in order to avoid shortening the service life of the aerosol generating device by supplying microwaves into the hollow, it controls the microwave module to stop operating. In this application, by determining the target microwave frequency in the current state of the atomization chamber through the sweeping operation of the microwave module, the presence or absence of the aerosol generation substrate inside the atomization chamber is detected. Thereby, by avoiding the supply of microwaves to the atomization chamber in a hollow state, the service life of the aerosol generating device is extended.

[0082] As can be understood, there is a significant difference in the target microwave frequency determined by the sweep when the atomization chamber is in a hollow state and when an aerosol generation substrate is accommodated in the atomization chamber. Therefore, it is possible to accurately determine whether or not an aerosol generation substrate is accommodated in the atomization chamber from the numerical relationship between the target microwave frequency obtained by the sweep and the set frequency range.

[0083] Moreover, the aerosol generator in the above technical solution provided based on the present application may further have the following additional technical features.

[0084] In a possible design, the microwave module includes a microwave generation device connected to the control device, a microwave antenna connected to the microwave generation circuit for transmitting the microwave generated by the microwave generation device to the atomization chamber and receiving a feedback signal, a first power detection device connected to the control device with its collection terminal connected to the microwave generation device for detecting the operating power value of the microwave generation device, and a second power detection device connected to the control device with its collection terminal connected to the microwave antenna for detecting the feedback power value of the feedback signal received by the microwave antenna.

[0085] In this design, the microwave module includes a microwave generator, a microwave antenna, a first power detection device, and a second power detection device. The microwave module includes the microwave generator and the microwave antenna. The microwave generator can generate microwaves of a corresponding frequency, and the microwave antenna can supply microwaves of the corresponding frequency into the atomization chamber. After the microwaves enter the atomization chamber, the microwave antenna can receive a feedback signal corresponding to the microwaves. The microwave module further includes a first power detection device and a second power detection device. The first power detection device is connected to the microwave generator and can collect the operating power value of the microwave generator during the operation process of the microwave generator. Also, the second power detection device is connected to the microwave antenna and can detect the feedback power value of the feedback signal received by the microwave antenna.

[0086] In a possible design, the microwave module further includes a directional coupler. The directional coupler includes a first terminal, a second terminal, a third terminal, and a fourth terminal. The first terminal is connected to the microwave generator, the second terminal is connected to the microwave antenna, the third terminal is connected to the first power detection device, and the fourth terminal is connected to the second power detection device.

[0087] In this design, the microwave module further includes a directional coupler. The first terminal, the second terminal, the third terminal, and the fourth terminal of the directional coupler are respectively connected to the microwave generator, the microwave antenna, the first power detection device, and the second power detection device.

[0088] The first power detection device can detect the operating power value of the microwave generator through the directional coupler. Also, the second power detection device can detect the feedback power value of the feedback signal detected by the microwave antenna through the directional coupler. The microwave signal generated by the microwave generator is transmitted to the microwave antenna through the directional coupler, and the microwave antenna supplies the microwaves into the atomization chamber.

[0089] Since the microwave generator, the microwave antenna, the first power detector, and the second power detector are connected to each other through a directional coupler, the electrical connection cables in the microwave module are reduced. As a result, the occupied space of the microwave module is reduced, so that the volume of the aerosol generator can be further reduced, meeting the miniaturization needs of the product.

[0090] In a possible design, the microwave generator includes a microwave oscillator connected to a control device and a power amplifier connected to the control device. The input terminal of the power amplifier is connected to the microwave oscillator, and the output terminal of the power amplifier is connected to the first terminal of the directional coupler.

[0091] In this design, the microwave generator includes a microwave oscillator and a power amplifier. The microwave oscillator can generate a microwave signal. The microwave oscillator is connected to a control device, and the control device can control the operation of the microwave oscillator. The output terminal of the microwave oscillator is connected to the input terminal of the power amplifier, and the output terminal of the power amplifier is connected to the directional coupler. The control device can not only control the operating power of the microwave oscillator but also control the amplification factor of the power amplifier.

[0092] In a possible design, the microwave generator further includes a power regulator. The first terminal of the power regulator is connected to the control device, and the second terminal of the power regulator is connected to the power amplifier.

[0093] In this design, microwave generator further includes a power regulator. The power regulator is connected to the power amplifier. The control device can control the power regulator to adjust the power of the output microwave. Thereby, an expansion of the adjustment range for the power of the emitted microwave is realized.

[0094] In a possible design, the power regulator is provided integrally with the power amplifier.

[0095] In this design, the power regulator is provided by being integrated into the power amplifier. That is, the power regulator and the power amplifier are integrated electronic components. The integrated electronic component has two functions: power regulation and amplification. By integrating the power regulator and the power amplifier, the occupied space of the microwave module in the aerosol generator can be further reduced.

[0096] In a possible design, the aerosol generator further includes a spacer provided in the atomization chamber, which divides the atomization chamber into a storage chamber and a resonance cavity, and a resonance rod provided on the bottom wall of the resonance cavity. The storage chamber is used to accommodate the aerosol generation substrate.

[0097] In this design, the aerosol generator further includes a spacer provided in the atomization chamber. The spacer divides the atomization chamber into a storage chamber and a resonance cavity. The storage chamber can accommodate the aerosol generation substrate. The microwave module supplies microwaves into the resonance cavity. The microwaves pass through the resonance cavity and are transmitted to the storage chamber, and the aerosol generation substrate in the storage chamber can be heated by microwaves.

[0098] Since the storage chamber and the resonance cavity are isolated by the spacer, it is possible to avoid the entry of liquid debris or solid debris generated after the aerosol generation substrate in the storage chamber is atomized into the resonance cavity. Thereby, the occurrence of failures of the microwave module caused by the entry of debris into the resonance cavity is avoided.

[0099] Optionally, the spacer is removably connected to the housing, and the storage chamber is provided in the spacer. By removing the spacer, the storage chamber can be disassembled and cleaned alone, thus improving the user experience.

[0100] As can be understood, the spacer is made of materials such as ceramics and glass. Thereby, the microwaves in the resonance cavity can be transmitted into the storage chamber to heat the aerosol generation substrate in the storage chamber.

[0101] In a possible design, the resonance bar is connected to the microwave antenna.

[0102] In this design, the resonance bar supplies microwaves into the resonance cavity. The first end of the resonance bar is connected to the bottom wall of the resonance cavity, and the second end of the resonance bar is provided facing the accommodation chamber. The microwaves are transmitted in a direction from the first end to the second end of the resonance bar to heat the aerosol generation substrate in the accommodation chamber.

[0103] In a sixth aspect, the embodiment of the present application provides a readable storage medium. A program or instruction is stored in the readable storage medium, and when the program or instruction is executed by a processor, the steps of the control method of the aerosol generator in any of the above possible designs are realized. Therefore, it has all the beneficial technical effects of the control method of the aerosol generator in any of the above possible designs, which will not be elaborated here any further.

[0104] The additional aspects and advantages of the present application will become apparent in the following description or be understood through the practice of the present application.

[0105] The above and / or additional aspects and advantages of the present application will become apparent and be easily understood from the description of the embodiments combined with the following drawings.

Brief Description of the Drawings

[0106]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

DETAILED DESCRIPTION OF THE INVENTION

[0107] In order to more clearly understand the above objects, features and advantages of the present application, the present application will be described in more detail below in combination with the drawings and specific embodiments. It should be noted that, if there is no contradiction, the embodiments and features of the embodiments of the present application may be combined with each other.

[0108] In the following description, many specific details will be described in detail to enable a full understanding of the present application. However, the present application may be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0109] Hereinafter, with reference to FIGS. 1 to 13, a control method for an aerosol generating device, a control device for an aerosol generating device, an aerosol generating device, and a readable storage medium according to some embodiments of the present application will be described.

Embodiment

[0110] As shown in FIG. 1, in the first embodiment of the present application, a control method for an aerosol generating device is provided. The aerosol generating device includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate an aerosol generating substrate, and the microwave module is used to supply microwaves to the atomization chamber.

[0111] The control method of the aerosol generating device includes the following.

[0112] Step 102: Perform a sweeping operation within the microwave frequency range to control the microwave module to search for a target microwave frequency within the microwave frequency range.

[0113] Step 104: Identify the presence state of the aerosol generating substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range.

[0114] Step 106: Control the operating state of the microwave module based on the presence state of the aerosol generating substrate.

[0115] The control method provided in this embodiment is used for the control of the aerosol generating device, and the aerosol generating device is used for heating the aerosol generating substrate. The aerosol generating substrate may be a solid aerosol generating substrate or a liquid aerosol generating substrate. An atomization chamber for accommodating the aerosol generating substrate is provided in the aerosol generating device. The microwave module can supply microwaves into the atomization chamber, and the aerosol generating substrate receives heat under the action of the microwaves and is atomized.

[0116] Upon receiving the atomization start command, the microwave module is controlled to perform a sweeping operation within the range of microwave frequencies. Specifically, at each microwave frequency within the range of microwave frequencies, the microwave module is controlled to sequentially supply microwaves into the atomization chamber. Then, based on the change in the parameters within the atomization chamber, the target microwave frequency within the range of microwave frequencies is determined. The target microwave frequency is the optimal frequency point when the microwave module operates in the current state of the atomization chamber. That is, it is the microwave frequency at which the absorption amount of microwaves within the atomization chamber is maximized. Also, based on the numerical relationship between the target microwave frequency and the set frequency range, the presence state of the aerosol generation substrate within the atomization chamber, that is, whether the aerosol generation substrate is contained within the atomization chamber or not, can be determined. Then, based on the presence state of the aerosol generation substrate within the atomization chamber, the operation of the microwave module is controlled. When it is detected that the aerosol generation substrate is contained within the atomization chamber, the aerosol generation substrate is atomized by heating by controlling the operation of the microwave module as normal. On the other hand, when it is detected that the atomization chamber is in a hollow state, in order to avoid shortening the service life of the aerosol generation device by supplying microwaves into the cavity, the microwave module is controlled to stop operating. In the present application, by determining the target microwave frequency in the current state of the atomization chamber through the sweeping operation of the microwave module, the presence or absence of the aerosol generation substrate within the atomization chamber is detected. Thereby, by avoiding the supply of microwaves to the atomization chamber in a hollow state, the service life of the aerosol generation device is extended.

[0117] As can be understood, there is a significant difference in the target microwave frequency determined by sweeping between the case where the atomization chamber is in a hollow state and the case where the aerosol generation substrate is contained within the atomization chamber. Therefore, from the numerical relationship between the target microwave frequency obtained by sweeping and the set frequency range, it is possible to accurately determine whether the aerosol generation substrate is contained within the atomization chamber or not.

[0118] As shown in FIG. 2, in any of the above embodiments, based on the numerical relationship between the target microwave frequency and the set frequency range, the step of specifying the presence state of the aerosol generation substrate in the atomization chamber specifically includes the following.

[0119] Step 202: Obtain the set frequency range.

[0120] Step 204: Determine whether the target microwave frequency is smaller than the minimum value within the set frequency range. If the determination result is NO, execute step 206. If the determination result is YES, execute step 212.

[0121] Step 206: Determine whether the target microwave frequency is greater than the maximum value within the set frequency range. If the determination result is NO, execute step 208. If the determination result is YES, execute step 214.

[0122] Step 208: Obtain the average frequency value within the set frequency range.

[0123] Step 210: Determine whether the target microwave frequency is greater than the average frequency value. If the determination result is YES, execute step 214. If the determination result is NO, execute step 212.

[0124] Step 212: Specify that the aerosol generation substrate in the atomization chamber is in a non-existent state, and control the microwave module to stop the operation.

[0125] Step 214: Specify that the aerosol generation substrate in the atomization chamber is in an existent state, and control the microwave module to supply microwaves to the atomization chamber at the target microwave frequency.

[0126] In this embodiment, based on the fact that the target microwave frequency is smaller than the minimum value within the set frequency range, it is specified that the aerosol generation substrate in the atomization chamber is in a non-existent state.

[0127] Also, based on the fact that the target microwave frequency is greater than the maximum value within the set frequency range, it is specified that the aerosol generation substrate in the atomization chamber is in an existing state.

[0128] Also, based on the fact that the target microwave frequency is within the set frequency range, the existing state of the aerosol generation substrate in the atomization chamber is specified from the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range.

[0129] The maximum value within the set frequency range is the optimal frequency point when the aerosol generation substrate in the atomization chamber is in an existing state. Also, the minimum value within the set frequency range is the optimal frequency point when the atomization chamber is in a hollow state, that is, when the aerosol generation substrate is in a non-existing state.

[0130] When it is detected that the target microwave frequency is smaller than the minimum value within the set frequency range, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0131] Also, when it is detected that the target microwave frequency is greater than the maximum value within the set frequency range, it is determined that the aerosol generation substrate in the atomization chamber is in an existing state, that is, the aerosol generation substrate is located in the atomization chamber.

[0132] Also, when it is detected that the target microwave frequency is within the range of the microwave frequency, further, based on the numerical relationship between the average value of the range of the microwave frequency and the target microwave frequency, the state of the aerosol generation substrate in the atomization chamber is detected.

[0133] By comparing the target microwave frequency with the numerical values within the set frequency range, the accuracy of determining whether the aerosol generation substrate is accommodated in the atomization chamber is improved. According to the above detection method, it is possible to accurately detect whether the aerosol generation substrate is accommodated in the atomization chamber, so that the situation of performing microwave heating on an empty atomization chamber due to a determination error is avoided.

[0134] It should be noted that the optimal frequency points are different between the case where the atomization chamber is in a hollow state and the case where the atomization chamber contains an aerosol generation substrate. Let the optimal frequency point when the atomization chamber is in a hollow state be a, and the optimal frequency point when the atomization chamber contains an aerosol generation substrate be b. Then, the difference between a and b is 25 - 35 MHz. Also, the target microwave frequency obtained by sweeping is usually a ± 2 MHz or b ± 2 MHz. Therefore, by setting the set frequency range to a - b and based on the numerical relationship between the target microwave frequency and a and b, it becomes possible to accurately determine the presence state of the aerosol generation substrate in the atomization chamber.

[0135] The step of specifying the presence state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range specifically includes the following.

[0136] Based on the fact that the target microwave frequency is greater than the frequency average value, it is specified that the aerosol generation substrate in the atomization chamber is in a present state.

[0137] Also, based on the fact that the target microwave frequency is less than or equal to the frequency average value, it is specified that the aerosol generation substrate in the atomization chamber is in a non - present state.

[0138] When it is detected that the target microwave frequency is within the range of the microwave frequency, the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range is judged, and based on this numerical relationship, the presence state of the aerosol generation substrate in the atomization chamber is further judged.

[0139] When it is detected that the target microwave frequency is greater than the frequency average value, it is determined that the aerosol generation substrate in the atomization chamber is in a present state, that is, it is determined that the aerosol generation substrate is located in the atomization chamber.

[0140] Also, when it is detected that the target microwave frequency is less than or equal to the frequency average value, it is determined that the atomization chamber is in a hollow state at the current time, that is, it is determined that the aerosol generation substrate does not exist in the atomization chamber.

[0141] When the target microwave frequency is within the range of microwave frequencies, the presence state of the aerosol generation substrate in the atomization chamber can be accurately determined by comparing the numerical values of the target microwave frequency and the average frequency. According to the above detection method, since it is possible to accurately detect whether or not the aerosol generation substrate is accommodated in the atomization chamber, the occurrence of a situation where microwave heating is performed on an empty atomization chamber due to a determination error is avoided.

[0142] As can be understood, before the aerosol generator is shipped from the factory, a frequency within the set frequency range is set. The maximum value within the set frequency range is the optimal frequency value when the microwave module supplies microwaves to the atomization chamber when the aerosol generation substrate is accommodated in the atomization chamber. Also, the minimum value within the set frequency range is the optimal frequency value when the microwave module supplies microwaves to the atomization chamber when the atomization chamber is in a hollow state.

[0143] In some embodiments, the set frequency range includes a plurality of set frequency values, which are arranged in ascending order as F1, F2, ··· F n and so on. Also, the average value of the set frequency range is calculated from the following formula.

[0144] F AVG =(F1 + F2 ··· + F n ) / n

[0145] F AVG is the average frequency, F1, F2, ··· F n are the respective frequency values within the set frequency range, and n is the number of set frequency values within the set frequency range.

[0146] In some other embodiments, the set frequency range includes a plurality of set frequency values. The minimum frequency value and the maximum frequency value within the set frequency range are extracted, and the average frequency value within the set frequency range is calculated based on the maximum frequency value and the minimum frequency value. The average value of the set frequency range is calculated by the following formula.

[0147] F AVG = (F min + F max ) / 2

[0148] F AVG is the average frequency value, F min is the minimum frequency value, F max is the maximum frequency value.

[0149] Based on the presence state of the aerosol generation substrate, the step of controlling the operating state of the microwave module specifically includes the following.

[0150] Based on the aerosol generation substrate being in a present state, control the microwave module to supply microwaves to the atomization chamber at the target microwave frequency.

[0151] Also, based on the aerosol generation substrate being in a non - present state, control the microwave module to stop the operation and output a warning information.

[0152] When it is detected that the aerosol generation substrate is in a present state, that is, when the aerosol generation substrate is accommodated in the atomization chamber, at this point, it is determined that it is possible to heat and atomize the aerosol generation substrate with microwaves as usual, and control the microwave module to supply microwaves to the atomization chamber at the target microwave frequency. The target microwave frequency is the microwave frequency determined by the microwave module through sweeping. By supplying microwaves of the target microwave frequency into the atomization chamber, the aerosol generation substrate in the atomization chamber can be brought into an optimal atomization state. That is, the absorption effect that the aerosol generation substrate can exhibit with respect to the microwaves of the target microwave frequency becomes optimal. As a result, not only the energy consumption of the aerosol generation device is reduced, but also the atomization efficiency of the aerosol generation substrate is improved, so that the harmful substances generated due to the non - uniform heat received by the aerosol generation substrate are reduced.

[0153] When it is detected that the aerosol generation substrate is absent, that is, when the atomization chamber is in a hollow state, there is no aerosol generation substrate in the atomization chamber. In this case, by controlling the microwave module to stop the operation, it is possible to avoid shortening the service life of the aerosol generator caused by the microwave module continuously supplying microwaves to the hollow atomization chamber. Further, when it is detected that the atomization chamber is in a hollow state, by outputting a caution information, the user is cautioned to place the aerosol generation substrate in the atomization chamber, thereby improving the user experience.

[0154] As shown in FIG. 3, in any of the above embodiments, the microwave module includes a microwave generator and a microwave antenna.

[0155] The microwave antenna is connected to the microwave generator. The microwave antenna is used to transmit the microwave generated by the microwave generator to the atomization chamber and to receive a feedback signal.

[0156] The step of controlling the microwave module to perform a sweeping operation within the range of the microwave frequency to search for a target microwave frequency within the range of the microwave frequency specifically includes the following.

[0157] Step 302: Control the microwave module to transmit microwaves into the atomization chamber at each microwave frequency within the range of the microwave frequency.

[0158] Step 304: Detect the feedback power value of the feedback signal corresponding to each microwave frequency.

[0159] Step 306: Select a target microwave frequency within the range of the microwave frequency based on the feedback power value corresponding to each microwave frequency.

[0160] In this embodiment, the microwave module includes a microwave generating device and a microwave antenna. The microwave generating device can generate microwaves of a corresponding frequency, and the microwave antenna can supply microwaves of the corresponding frequency into the atomization chamber. After the microwaves enter the atomization chamber, the microwave antenna can receive a feedback signal corresponding to the microwaves. The microwave module further includes a first power detection device and a second power detection device. The first power detection device is connected to the microwave generating device and can collect the operating power value of the microwave generating device during the operation process of the microwave generating device. The second power detection device is connected to the microwave antenna and can detect the feedback power value of the feedback signal received by the microwave antenna.

[0161] Controlling the microwave module to supply microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies means controlling the microwave module to sequentially emit microwaves with different microwave frequencies into the atomization chamber. During the process of the microwave module emitting microwaves, feedback signals corresponding to each microwave frequency are received simultaneously, and the second power detection device identifies the feedback power value of each feedback signal. Then, based on the detected feedback power values, the target microwave frequency within the range of microwave frequencies is selected and Thereby, the target microwave frequency with the most excellent absorption effect in the atomization chamber is determined. By using the sweeping operation method to select microwaves within the range of microwave frequencies, it is possible to determine the target microwave frequency with the most excellent absorption effect in the current atomization chamber. Thereby, when an aerosol generation substrate is accommodated in the atomization chamber, by supplying microwaves of the target microwave frequency into the atomization chamber, the atomization effect of the aerosol generation substrate can be improved.

[0162] The point to be explained is that the target microwave frequency is the optimal frequency point when the microwave module supplies microwaves to the current atomization chamber. When the atomization chamber is in a cavity state, the detected target microwave frequency is the optimal frequency point of the microwaves output by the microwave module when supplying microwaves to the empty atomization chamber. Also, when the atomization chamber contains an aerosol generation substrate, the detected target microwave frequency is the optimal frequency point of the microwaves output by the microwave module when supplying microwaves to the atomization chamber containing the aerosol generation substrate.

[0163] As shown in FIG. 4, in any of the above embodiments, the step of selecting a target microwave frequency within the range of microwave frequencies based on the feedback power values corresponding to each microwave frequency specifically includes the following.

[0164] Step 402: Detect the operating power value corresponding to the microwave of each microwave frequency output by the microwave module.

[0165] Step 404: Obtain a power ratio by performing a ratio calculation on the feedback power value and the operating power value corresponding to each microwave frequency.

[0166] Step 406: Select a target microwave frequency within the range of microwave frequencies based on the power ratio corresponding to each microwave frequency.

[0167] In this design, the first power detection device detects the operating power value corresponding to each microwave frequency. And a power ratio can be obtained by performing a ratio calculation on the operating power value and the corresponding feedback power value. The calculation formula for the power ratio is as follows.

[0168] N = P1 / P2

[0169] P1 is the feedback power value, P2 is the operating power value, and N is the power ratio.

[0170] The smaller the value of N, the better the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is good. Also, the larger the value of N, the worse the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is poor.

[0171] As can be understood, the numerical range of N is smaller than 1.

[0172] In some embodiments, the number of microwave frequencies is three, namely, F a , F b and F c . Also, as a result of calculation, assuming that the power ratio N a corresponding to F a is 0.1, the power ratio N b corresponding to F b is 0.5, and the power ratio N c corresponding to F c is 0.3. Arranging N a , N b and N c in descending order of numerical magnitude, we get N a <N c <N b . Since the smaller the numerical value of the power ratio, the higher the absorption rate of the microwave, if the microwave module is controlled to supply microwaves into the atomization chamber at the microwave frequency F a corresponding to the power ratio N a , it is determined that the most excellent heating effect can be achieved. Therefore, F a becomes the target microwave frequency.

[0173] As shown in FIG. 5, in any of the above embodiments, the step of selecting the target microwave frequency within the range of microwave frequencies based on the power ratio corresponding to each microwave frequency specifically includes the following.

[0174] Step 502: Identify the minimum power ratio among the power ratios corresponding to each microwave frequency.

[0175] Step 504: Search for the microwave frequency corresponding to the minimum power ratio and determine the target microwave frequency.

[0176] In this design, by arranging the power ratios corresponding to each microwave frequency in descending order of numerical value, the operating frequency corresponding to the minimum power ratio is set as the target microwave frequency. By calculating the power ratio, the error part in the sweeping stage can be filtered, so the selection accuracy of the target microwave frequency is improved. Thereby, the determination error regarding the target microwave frequency is avoided.

[0177] As shown in FIG. 6, in any of the above embodiments, the step of selecting the target microwave frequency within the range of microwave frequencies based on the feedback power value corresponding to each microwave frequency specifically includes the following.

[0178] Step 602: Identify the minimum feedback power value among the feedback power values corresponding to each microwave frequency.

[0179] Step 604: Search for the microwave frequency corresponding to the minimum feedback power value and determine the target microwave frequency.

[0180] In this design, the minimum feedback power value is identified by arranging the feedback power values directly in descending order of numerical value. Then, the microwave frequency corresponding to the minimum feedback power value is set as the target microwave frequency.

[0181] As can be understood, the change in the operating power when the microwave generating device outputs microwaves with different frequencies is small. Therefore, if the microwave frequency corresponding to the minimum feedback power value is directly selected as the target microwave frequency, on the premise of ensuring the selection accuracy of the target microwave frequency, the data processing amount is reduced.

Embodiment

[0182] As shown in FIG. 7, the present application provides a method for controlling an aerosol generating device in the 2 embodiment of. The aerosol generating device includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate an aerosol generating substrate, and the microwave module is used to supply microwaves to the atomization chamber.

[0183] The method for controlling the aerosol generating device includes the following.

[0184] Step 702: In response to an operation start command, control the microwave module to perform a sweeping operation at each microwave frequency.

[0185] Step 704: Detect the feedback power value of the feedback signal corresponding to each microwave frequency during the sweeping operation.

[0186] Step 706: Based on the feedback power value corresponding to each microwave frequency, select a target microwave frequency within the range of microwave frequencies.

[0187] Step 708: Obtain a set frequency range.

[0188] Step 710: Determine whether the target microwave frequency is smaller than the minimum value within the set frequency range. If the determination result is YES, execute step 718. If the determination result is NO, execute step 712.

[0189] Step 712: Determine whether the target microwave frequency is greater than the maximum value within the set frequency range. If the determination result is YES, execute step 720. If the determination result is NO, execute step 714.

[0190] Step 714: Obtain the frequency average value within the set frequency range.

[0191] Step 716: Determine whether the target microwave frequency is greater than the frequency average value of the set frequency range. If the determination result is YES, execute step 720. If the determination result is NO, execute step 718.

[0192] Step 718: Since the atomization chamber is in a hollow state, control the microwave module to stop the operation.

[0193] Step 720: Since the aerosol generation substrate in the atomization chamber is in an existing state, control the microwave module to supply microwaves into the atomization chamber at the target microwave frequency.

[0194] In this embodiment, when the aerosol generator receives an operation start command, the microwave module is controlled to perform sweeping and detection on the atomization chamber, thereby determining the target microwave frequency when the microwave module operates. That is, the optimal frequency point when the microwave module supplies microwaves to the atomization chamber in the current state is determined. During the sweeping operation process, microwaves are sequentially supplied into the atomization chamber at each microwave frequency, and at the same time, the corresponding feedback signal is received, and the microwave module is controlled to identify the feedback power value of each feedback signal.

[0195] The feedback power value can reflect the microwave absorption effect of the atomization chamber. As can be understood, the smaller the feedback power value, the stronger the microwave absorption effect of the atomization chamber, and the larger the feedback power value, the weaker the microwave absorption effect of the atomization chamber. As the target microwave frequency, select the microwave frequency corresponding to the feedback power value with the strongest microwave absorption effect.

[0196] Before the aerosol generator is shipped from the factory, set the frequency within the set frequency range. The maximum value within the set frequency range is the optimal frequency value when the microwave module outputs microwaves when the aerosol generation substrate is accommodated in the atomization chamber. Also, the minimum value within the set frequency range is the optimal frequency value when the microwave module outputs microwaves when the atomization chamber is in a hollow state.

[0197] When it is detected that the target microwave frequency is smaller than the minimum value within the set frequency range, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate is not accommodated in the atomization chamber. Therefore, the microwave module is controlled to stop the operation to avoid dry burning of the atomization chamber.

[0198] Also, when it is detected that the target microwave frequency is larger than the maximum value within the set frequency range, it is determined that the aerosol generation substrate is accommodated in the atomization chamber. In this case, by controlling the microwave module to supply microwaves to the atomization chamber at the target microwave frequency selected by sweeping, the absorption efficiency of microwaves by the aerosol generation substrate is improved, and the atomization effect of the aerosol generation substrate is enhanced.

[0199] Also, when it is detected that the target microwave frequency is smaller than the average frequency value within the set frequency range, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate is not accommodated in the atomization chamber. Therefore, the microwave module is controlled to stop the operation to avoid dry burning of the atomization chamber.

[0200] Also, when it is detected that the target microwave frequency is larger than the average frequency value within the set frequency range, it is determined that the aerosol generation substrate is accommodated in the atomization chamber. In this case, by controlling the microwave module to supply microwaves to the atomization chamber at the target microwave frequency selected by sweeping, the absorption efficiency of microwaves by the aerosol generation substrate is improved, and the atomization effect of the aerosol generation substrate is enhanced.

[0201] When it is detected that the target microwave frequency is within the range of microwave frequencies, further, based on the numerical relationship between the average value of the range of microwave frequencies and the target microwave frequency, the state of the aerosol generation substrate in the atomization chamber is detected. This avoids determination errors caused by detection errors and further improves the accuracy of determining whether an aerosol generation substrate exists in the atomization chamber. Also, this avoids the occurrence of a situation where microwave heating is performed on an empty atomization chamber due to a determination error, thereby ensuring that the aerosol generator does not perform microwave heating on an atomization chamber in a hollow state and improving the user experience.

Example

[0202] As shown in FIG. 8, in the third embodiment of the present application, a control device 800 of an aerosol generator is provided. The aerosol generator includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate the aerosol generation substrate, and the microwave module is used to supply microwaves to the atomization chamber.

[0203] The control device 800 of the aerosol generator includes the following.

[0204] Search unit 802: Controls the microwave module to perform a sweeping operation within the range of microwave frequencies to search for a target microwave frequency within the range of microwave frequencies.

[0205] Detection unit 804: Identifies the presence state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range.

[0206] Control unit 806: Controls the operating state of the microwave module based on the presence state of the aerosol generation substrate.

[0207] The control device provided in this embodiment is used for controlling an aerosol generator, and the aerosol generator is used for heating an aerosol generation substrate. The aerosol generation substrate may be a solid aerosol generation substrate or a liquid aerosol generation substrate. An atomization chamber for accommodating the aerosol generation substrate is provided in the aerosol generator. The microwave module can supply microwaves into the atomization chamber, and the aerosol generation substrate receives heat under the action of the microwaves and is atomized.

[0208] When the search unit 802 receives an atomization start command, it controls the microwave module to perform a sweeping operation within the range of microwave frequencies. Specifically, it controls the microwave module to sequentially supply microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies. Then, based on the change of the parameters in the atomization chamber, it determines the target microwave frequency within the range of microwave frequencies. The target microwave frequency is the optimal frequency point when the microwave module operates in the current state of the atomization chamber. That is, it is the microwave frequency at which the absorption amount of microwaves in the atomization chamber is maximized. The detection unit 804 can determine the presence state of the aerosol generation substrate in the atomization chamber, that is, whether the aerosol generation substrate is accommodated in the atomization chamber, based on the numerical relationship between the target microwave frequency and the set frequency range. The control unit 806 controls the operation of the microwave module based on the presence state of the aerosol generation substrate in the atomization chamber. When it is detected that the aerosol generation substrate is accommodated in the atomization chamber, the aerosol generation substrate is atomized by heating by controlling the operation of the microwave module as usual. On the other hand, when it is detected that the atomization chamber is in a hollow state, in order to avoid shortening the service life of the aerosol generator by supplying microwaves into the cavity, the microwave module is controlled to stop operating. In this application, by determining the target microwave frequency in the current state of the atomization chamber through the sweeping operation of the microwave module, the presence or absence of the aerosol generation substrate in the atomization chamber is detected. Thereby, by avoiding supplying microwaves to the atomization chamber in a hollow state, the service life of the aerosol generator is extended.

[0209] As can be understood, when the atomization chamber is in a hollow state and when an aerosol generation substrate is accommodated in the atomization chamber, there is a significant difference in the target microwave frequency determined by the sweep. Therefore, based on the numerical relationship between the target microwave frequency obtained by the sweep and the set frequency range, it is possible to accurately determine whether an aerosol generation substrate is accommodated in the atomization chamber.

[0210] In the above embodiment, the detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a non-existent state based on the fact that the target microwave frequency is smaller than the minimum value within the set frequency range.

[0211] The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in an existing state based on the fact that the target microwave frequency is larger than the maximum value within the set frequency range.

[0212] The detection unit further specifies the existing state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range, based on the fact that the target microwave frequency is within the set frequency range.

[0213] In this embodiment, the maximum value within the set frequency range is the optimal frequency point when the aerosol generation substrate in the atomization chamber is in an existing state. Also, the minimum value within the set frequency range is the optimal frequency point when the atomization chamber is in a hollow state, that is, when the aerosol generation substrate is in a non-existent state.

[0214] When it is detected that the target microwave frequency is smaller than the minimum value within the set frequency range, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0215] Also, when it is detected that the target microwave frequency is larger than the maximum value within the set frequency range, it is determined that the aerosol generation substrate in the atomization chamber is in an existing state, that is, the aerosol generation substrate is located in the atomization chamber.

[0216] Also, when it is detected that the target microwave frequency is within the range of the microwave frequency, further, based on the numerical relationship between the average value of the microwave frequency range and the target microwave frequency, the state of the aerosol generation substrate in the atomization chamber is detected.

[0217] By comparing the target microwave frequency with the numerical values within the set frequency range, the accuracy of determining whether an aerosol generation substrate is accommodated in the atomization chamber is improved. According to the above detection method, since it is possible to accurately detect whether an aerosol generation substrate is accommodated in the atomization chamber, the occurrence of a situation where microwave heating is performed on an empty atomization chamber due to a determination error is avoided.

[0218] It should be noted that the optimal frequency points are different when the atomization chamber is in a hollow state and when the atomization chamber contains an aerosol generation substrate. Let the optimal frequency point when the atomization chamber is in a hollow state be a, and the optimal frequency point when the atomization chamber contains an aerosol generation substrate be b. Then, the difference between a and b is 25 - 35 MHz. Also, the target microwave frequency obtained by sweeping is usually a ± 2 MHz or b ± 2 MHz. Therefore, by setting the set frequency range to a - b and based on the numerical relationship between the target microwave frequency and a and b, it is possible to accurately determine the presence state of the aerosol generation substrate in the atomization chamber.

[0219] In any of the above embodiments, the detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a present state based on the fact that the target microwave frequency is greater than the frequency average value.

[0220] The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a non - present state based on the fact that the target microwave frequency is less than or equal to the frequency average value.

[0221] In this embodiment, when it is detected that the target microwave frequency is within the range of the microwave frequency, the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range is determined, and based on this numerical relationship, the presence state of the aerosol generation substrate in the atomization chamber is further determined.

[0222] When it is detected that the target microwave frequency is greater than the frequency average value, it is determined that the aerosol generation substrate in the atomization chamber is in a present state, that is, the aerosol generation substrate is located in the atomization chamber.

[0223] Also, when it is detected that the target microwave frequency is less than or equal to the frequency average value, it is determined that the atomization chamber is in a hollow state at the current time, that is, the aerosol generation substrate does not exist in the atomization chamber.

[0224] When the target microwave frequency is within the range of the microwave frequency, the presence state of the aerosol generation substrate in the atomization chamber can be accurately determined by comparing the numerical values of the target microwave frequency and the frequency average value. According to the above detection method, it is possible to accurately detect whether the aerosol generation substrate is accommodated in the atomization chamber, and the detection accuracy regarding the presence or absence of the aerosol generation substrate is further improved. Therefore, the occurrence of a situation where microwave heating is performed on an empty atomization chamber due to a determination error is avoided.

[0225] In any of the above embodiments, the control unit further controls the microwave module to supply microwaves to the atomization chamber at the target microwave frequency based on the fact that the aerosol generation substrate is in a present state.

[0226] The control unit further controls the microwave module to stop the operation based on the fact that the aerosol generation substrate is in a non - present state, and outputs attention - arousing information.

[0227] In this embodiment, when it is detected that the aerosol generation substrate is in a present state, that is, when the aerosol generation substrate is contained in the atomization chamber, at this time, it is determined that the aerosol generation substrate can be atomized by normal microwave heating, and the microwave module is controlled to supply microwaves into the atomization chamber at the target microwave frequency. The target microwave frequency is the microwave frequency determined by the microwave module through sweeping. By supplying microwaves of the target microwave frequency into the atomization chamber, the aerosol generation substrate in the atomization chamber can be brought into an optimal atomization state. That is, the absorption effect that the aerosol generation substrate can exhibit with respect to the microwaves of the target microwave frequency becomes optimal. Thereby, not only the energy consumption of the aerosol generator is reduced, but also the atomization efficiency of the aerosol generation substrate is improved, so that the harmful substances generated due to the uneven heat received by the aerosol generation substrate are reduced.

[0228] When it is detected that the aerosol generation substrate is in a non-present state, the atomization chamber is in a hollow state. In this case, by controlling the microwave module to stop the operation, the shortening of the service life of the aerosol generator caused by the microwave module continuously supplying microwaves to the hollow atomization chamber is avoided. Moreover, when it is detected that the atomization chamber is in a hollow state, by outputting a warning message, the user is warned to place the aerosol generation substrate in the atomization chamber, thereby improving the user experience.

[0229] In any of the above embodiments, the control unit further controls the microwave module to emit microwaves into the atomization chamber at each microwave frequency within the range of the microwave frequency.

[0230] The detection unit further detects the feedback power value of the feedback signal corresponding to each microwave frequency.

[0231] The search unit further selects the target microwave frequency within the range of the microwave frequency based on the feedback power value corresponding to each microwave frequency.

[0232] In this embodiment, the microwave module includes a microwave generating device and a microwave antenna. The microwave generating device can generate microwaves of a corresponding frequency, and the microwave antenna can supply microwaves of the corresponding frequency into the atomization chamber. After the microwaves enter the atomization chamber, the microwave antenna can receive a feedback signal corresponding to the microwaves. The microwave module further includes a first power detection device and a second power detection device. The first power detection device is connected to the microwave generating device and can collect the operating power value of the microwave generating device during the operation process of the microwave generating device. The second power detection device is connected to the microwave antenna and can detect the feedback power value of the feedback signal received by the microwave antenna.

[0233] Controlling the microwave module to supply microwaves into the atomization chamber at each microwave frequency within the microwave frequency range means controlling the microwave module to sequentially emit microwaves of different microwave frequencies into the atomization chamber. During the process of the microwave module emitting microwaves, feedback signals corresponding to each microwave frequency are received simultaneously, and the second power detection device identifies the feedback power value of each feedback signal. Then, based on the detected feedback power values, the target microwave frequency within the microwave frequency range is selected and Thereby, the target microwave frequency with the most excellent absorption effect in the atomization chamber is determined. By means of the sweeping operation mode, by selecting microwaves within the microwave frequency range, it is possible to determine the target microwave frequency with the most excellent absorption effect in the current atomization chamber. Thereby, when an aerosol generation substrate is accommodated in the atomization chamber, by supplying microwaves of the target microwave frequency into the atomization chamber, the atomization effect of the aerosol generation substrate can be improved.

[0234] In any of the above embodiments, the detection unit further detects the operating power value corresponding to the microwave of each microwave frequency output by the microwave module.

[0235] The control device further includes a calculation unit that obtains a power ratio by performing a ratio calculation on the feedback power value and the operating power value corresponding to each microwave frequency. 808 including.

[0236] The search unit further selects a target microwave frequency within the range of the microwave frequencies based on the power ratio corresponding to each microwave frequency.

[0237] In this embodiment, the operating power value corresponding to each microwave frequency is detected by the first power detection device. And a power ratio can be obtained by performing a ratio calculation on the operating power value and the corresponding feedback power value. The calculation formula of the power ratio is as follows.

[0238] N = P1 / P2

[0239] P1 is the feedback power value, P2 is the operating power value, and N is the power ratio.

[0240] The smaller the value of N, the better the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is good. Also, the larger the value of N, the worse the coupling effect of the microwave in the atomization chamber. That is, it indicates that the absorption effect of the microwave in the atomization chamber is poor.

[0241] In any of the above embodiments, the search unit further identifies the minimum power ratio among the power ratios corresponding to each microwave frequency. The search unit further searches for the microwave frequency corresponding to the minimum power ratio to determine the target microwave frequency.

[0242] In this embodiment, by arranging the power ratios corresponding to each microwave frequency in descending order of numerical value, the operating frequency corresponding to the power ratio with the smallest numerical value is set as the target microwave frequency. By calculating the power ratio, the error portion in the sweeping stage can be filtered, thereby improving the selection accuracy of the target microwave frequency. As a result, determination errors regarding the target microwave frequency are avoided.

[0243] In any of the above embodiments, the search unit further specifies the minimum feedback power value among the feedback power values corresponding to each microwave frequency. The search unit further searches for the microwave frequency corresponding to the minimum feedback power value to determine the target microwave frequency. In this embodiment, the minimum feedback power value is specified by arranging the feedback power values as they are in descending order of numerical value. Then, the microwave frequency corresponding to the minimum feedback power value is set as the target microwave frequency.

[0244] As can be understood, the change in the operating power when the microwave generating device outputs microwaves with different frequencies is small. Therefore, if the microwave frequency corresponding to the minimum feedback power value is directly selected as the target microwave frequency, on the premise of ensuring the selection accuracy of the target microwave frequency, the data processing amount is reduced.

Embodiment

[0245] As shown in FIG. 9, in the fourth embodiment of the present application, an aerosol generating device 900 is provided. The aerosol generating device includes an atomizing chamber for accommodating an aerosol generating substrate and a microwave module 902 for supplying microwaves into the atomizing chamber. The control device 800 of the aerosol generating device in any of the above possible designs is connected to the microwave module 902.

[0246] The aerosol generating device provided in this embodiment includes an atomization chamber, a microwave module 902, and a control device 800 of the aerosol generating device. The aerosol generating device is used for heating an aerosol generating substrate. The aerosol generating substrate may be a solid aerosol generating substrate or a liquid aerosol generating substrate. An atomization chamber for accommodating the aerosol generating substrate is provided in the aerosol generating device. The microwave module 902 can supply microwaves into the atomization chamber, and the aerosol generating substrate receives heat under the action of the microwaves and atomizes.

[0247] The control device 800 of the aerosol generating device is connected to the microwave module 902 and controls the operation of the microwave module 902. In the control device 800 of the aerosol generating device, the control device 800 of the aerosol generating device in any of the above embodiments of is selected. Therefore, it has all the beneficial technical effects of the control device 800 of the aerosol generating device in any of the above embodiments, but will not be elaborated further here.

Embodiment

[0248] As shown in FIG. 10, in the fifth embodiment of the present application, an aerosol generating device 1000 is provided. The aerosol generating device includes a memory 1002 in which a program or instruction is stored, and a processor 1004 that realizes the steps of the control method of the aerosol generating device in any of the above embodiments of Embodiment 1 by executing the program or instruction stored in the memory 1002. Therefore, it has all the beneficial technical effects of the control method of the aerosol generating device in any of the above embodiments, but will not be elaborated further here.

[0249] The aerosol generating device 1000 provided in this embodiment further includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate the aerosol generating substrate, and the microwave module is used to supply microwaves into the atomization chamber. When the microwaves act on the aerosol generating substrate, the aerosol generating substrate receives heat and atomizes. The microwave module is connected to the processor 1004. The processor 1004 controls the microwave module of the aerosol generating device 1000 by executing the control method of the aerosol generating device.

Embodiment

[0250] As shown in FIG. 11, in the sixth embodiment of the present application, an aerosol generating device 100 including a housing 102, an atomization chamber 103, a microwave module 104, and a control device 105 is provided.

[0251] The atomization chamber 103 is provided in the housing 102. The atomization chamber 103 is used to accommodate the aerosol generating substrate 108.

[0252] The microwave module 104 is used to supply microwaves into the atomization chamber 103.

[0253] The control device 105 controls the microwave module 104 to perform a sweeping operation within the microwave frequency range to search for a target microwave frequency within the microwave frequency range. Then, based on the numerical relationship between the target microwave frequency and the set frequency range, the presence state of the aerosol generating substrate 108 in the atomization chamber 103 is identified. Further, based on the presence state of the aerosol generating substrate 108, the operating state of the microwave module 104 is controlled.

[0254] The aerosol generator 100 of this embodiment includes a housing 102, an atomization chamber 103, a microwave module 104, and a control device 105. The atomization chamber 103 is provided within the housing 102. The atomization chamber 103 is used to accommodate the aerosol generation substrate 108. The output end of the microwave module 104 communicates with the atomization chamber 103. When the microwave module 104 is energized and operates to supply microwaves into the atomization chamber 103, the aerosol generation substrate 108 receives heat under the action of the microwaves and atomizes.

[0255] When the control device 105 receives a nebulization start command, it controls the microwave module 104 to perform a sweeping operation within the range of microwave frequencies. Specifically, it controls the microwave module 104 to supply microwaves into the nebulization chamber 103 in sequence at each microwave frequency within the range of microwave frequencies. Then, based on the change in the parameters within the nebulization chamber 103, it determines the target microwave frequency within the range of microwave frequencies. The target microwave frequency is the optimal frequency point when the microwave module 104 operates in the current state of the nebulization chamber 103. That is, it is the microwave frequency at which the absorption amount of microwaves within the nebulization chamber 103 is maximized. Also, based on the numerical relationship between the target microwave frequency and the set frequency range, it is possible to determine the presence state of the aerosol generation substrate 108 within the nebulization chamber 103, that is, whether the aerosol generation substrate 108 is accommodated within the nebulization chamber 103 or not. Then, based on the presence state of the aerosol generation substrate 108 within the nebulization chamber 103, it controls the operation of the microwave module 104. When it is detected that the aerosol generation substrate 108 is accommodated within the nebulization chamber 103, the aerosol generation substrate 108 is atomized by heating by controlling the operation of the microwave module 104 as usual. On the other hand, when it is detected that the nebulization chamber 103 is in a hollow state, in order to avoid shortening the service life of the aerosol generator 100 by supplying microwaves into the cavity, it controls the microwave module 104 to stop the operation. In this application, by determining the target microwave frequency in the current state of the nebulization chamber 103 through the sweeping operation of the microwave module 104, the presence or absence of the aerosol generation substrate 108 within the nebulization chamber 103 is detected. Thereby, by avoiding the supply of microwaves to the hollow nebulization chamber 103, the service life of the aerosol generator 100 is extended.

[0256] As can be understood, there is a significant difference in the target microwave frequency determined by the sweep when the atomization chamber 103 is in a cavity state and when the aerosol generation substrate 108 is accommodated in the atomization chamber 103. Therefore, it is possible to accurately determine whether or not the aerosol generation substrate 108 is accommodated in the atomization chamber 103 from the numerical relationship between the target microwave frequency obtained by the sweep and the set frequency range.

[0257] As shown in FIG. 12, in any of the above embodiments, the microwave module 104 includes a microwave generation device 1041, a microwave antenna 1042, a first power detection device 1043, and a second power detection device 1044.

[0258] The microwave generation device 1041 is connected to the control device 105.

[0259] The microwave antenna 1042 is connected to the microwave generation circuit. The microwave antenna 1042 emits the microwave generated by the microwave generation device 1041 to the atomization chamber 103 and receives a feedback signal.

[0260] The first power detection device 1043 is connected to the control device 105. Further, the collection terminal of the first power detection device 1043 is connected to the microwave generation device 1041 and is used to detect the operating power value of the microwave generation device 1041.

[0261] The second power detection device 1044 is connected to the control device 105. Further, the collection terminal of the second power detection device 1044 is connected to the microwave antenna 1042 and is used to detect the feedback power value of the feedback signal received by the microwave antenna 1042.

[0262] In this embodiment, the microwave module 104 includes a microwave generator 1041, a microwave antenna 1042, a first power detection device 1043, and a second power detection device 1044. The microwave module 104 includes the microwave generator 1041 and the microwave antenna 1042. The microwave generator 1041 can generate microwaves of a corresponding frequency, and the microwave antenna 1042 can supply microwaves of the corresponding frequency into the atomization chamber 103. After the microwaves enter the atomization chamber 103, the microwave antenna 1042 can receive a feedback signal corresponding to the microwaves. The microwave module 104 further includes a first power detection device 1043 and a second power detection device 1044. The first power detection device 1043 is connected to the microwave generator 1041 and can collect the operating power value of the microwave generator 1041 during the operation process of the microwave generator 1041. Also, the second power detection device 1044 is connected to the microwave antenna 1042 and can detect the feedback power value of the feedback signal received by the microwave antenna 1042.

[0263] In any of the above embodiments, the microwave module 104 further includes a directional coupler 1048. The directional coupler 1048 includes a first terminal, a second terminal, a third terminal, and a fourth terminal. The first terminal is connected to the microwave generator 1041, the second terminal is connected to the microwave antenna 1042, the third terminal is connected to the first power detection device 1043, and the fourth terminal is connected to the second power detection device 1044.

[0264] In this embodiment, the microwave module 104 further includes a directional coupler 1048. The first terminal, the second terminal, the third terminal, and the fourth terminal of the directional coupler 1048 are respectively connected to the microwave generator 1041, the microwave antenna 1042, the first power detection device 1043, and the second power detection device 1044.

[0265] The first power detection device 1043 can detect the operating power value of the microwave generator 1041 through the directional coupler 1048. Also, the second power detection device 1044 can detect the feedback power value of the feedback signal detected by the microwave antenna 1042 through the directional coupler 1048. The microwave signal generated by the microwave generator 1041 is transmitted to the microwave antenna 1042 through the directional coupler 1048, and the microwave antenna 1042 supplies microwaves into the atomization chamber 103.

[0266] Since the microwave generator 1041, the microwave antenna 1042, the first power detection device 1043, and the second power detection device 1044 are connected to each other through the directional coupler 1048, the electrical connection cables in the microwave module 104 are reduced. As a result, the occupied space of the microwave module 104 is reduced, so that the volume of the aerosol generator 100 can be made even smaller, meeting the miniaturization needs of the product.

[0267] As shown in FIG. 13, in any of the above embodiments, the microwave generator 1041 includes a microwave generator 10412 and a power amplifier 10414.

[0268] The microwave generator 10412 is connected to the control device 105.

[0269] The power amplifier 10414 is connected to the control device 105. The input terminal of the power amplifier 10414 is connected to the microwave generator 10412, and the output terminal of the power amplifier 10414 is connected to the first terminal of the directional coupler 1048.

[0270] In this embodiment, the microwave generating device 1041 includes a microwave generator 10412 and a power amplifier 10414. The microwave generator 10412 can generate a microwave signal. The microwave generator 10412 is connected to the control device 105, and the control device 105 can control the operation of the microwave generator 10412. The output terminal of the microwave generator 10412 is connected to the input terminal of the power amplifier 10414, and the output terminal of the power amplifier 10414 is connected to the directional coupler 1048. The control device 105 can not only control the operating power of the microwave generator 10412, but also control the amplification factor of the power amplifier 10414.

[0271] As shown in FIG. 13, in any of the above embodiments, the microwave generating device 1041 further includes a power regulator 10416. The first terminal of the power regulator 10416 is connected to the control device 105, and the second terminal of the power regulator 10416 is connected to the power amplifier 10414.

[0272] In this embodiment, the microwave generator 1041 further includes a power regulator 10416. The power regulator 10416 is connected to the power amplifier 10414. The control device 105 can control the power regulator 10416 to adjust the power of the output microwave. Thereby, an expansion of the adjustment range for the power of the emitted microwave is realized.

[0273] In any of the above embodiments, the power regulator 10416 is provided integrally with the power amplifier 10414.

[0274] In this embodiment, the power regulator 10416 is provided integrally with the power amplifier 10414. That is, the power regulator 10416 and the power amplifier 10414 are integrated electronic components. The integrated electronic component has two functions: power adjustment and amplification. By providing the power regulator 10416 and the power amplifier 10414 integrally, the occupied space of the microwave module 104 in the aerosol generating device 100 can be further reduced.

[0275] As shown in FIG. 11, in any of the above embodiments, the aerosol generating device 100 further includes a spacer 106. The spacer 106 is provided in the atomization chamber 103. The spacer 106 divides the atomization chamber 103 into a storage chamber 1032 and a resonance cavity 1034. The storage chamber 1032 is used to store the aerosol generating substrate 108. Further, a resonance bar 107 is provided on the bottom wall of the resonance cavity 1034.

[0276] In this embodiment, the aerosol generating device 100 further includes a spacer 106 provided in the atomization chamber 103. The spacer 106 divides the atomization chamber 103 into a storage chamber 1032 and a resonance cavity 1034. The storage chamber 1032 can accommodate the aerosol generating substrate 108. The microwave module 104 supplies microwaves into the resonance cavity 1034. The microwaves pass through the resonance cavity 1034 and are transmitted to the storage chamber 1032, and the aerosol generating substrate 108 in the storage chamber 1032 can be heated by the microwaves.

[0277] Since the storage chamber 1032 and the resonance cavity 1034 are separated by the spacer 106, it is possible to prevent liquid debris or solid debris generated after the aerosol generating substrate 108 in the storage chamber 1032 is atomized from entering the resonance cavity 1034. Thereby, the occurrence of a failure of the microwave module 104 due to the entry of debris into the resonance cavity 1034 is avoided.

[0278] In some embodiments, the spacer 106 is removably connected to the housing 102, and the storage chamber 1032 is provided in the spacer 106. By removing the spacer 106, the storage chamber 1032 can be disassembled and cleaned alone, thus improving the user experience.

[0279] As can be understood, the spacer 106 is made of a material such as ceramics or glass. Thereby, the microwaves in the resonance cavity 1034 can be transmitted into the storage chamber 1032 to heat the aerosol generating substrate 108 in the storage chamber 1032.

[0280] In any of the above embodiments, the resonance bar 107 is connected to the microwave antenna 1042.

[0281] In this embodiment, the resonance bar 107 supplies microwaves into the resonance cavity 1034. The first end of the resonance bar 107 is connected to the bottom wall of the resonance cavity 1034, and the second end of the resonance bar 107 is provided to face the accommodation chamber 1032. The microwaves are transmitted in the direction from the first end to the second end of the resonance bar 107 to heat the aerosol generation substrate 108 in the accommodation chamber 1032.

Embodiment

[0282] In the seventh embodiment of the present application, a readable storage medium is provided. A program is stored in the readable storage medium, and when the program is executed by a processor, the control method of the aerosol generator in any of the above embodiments is realized. Therefore, it has all the beneficial technical effects of the control method of the aerosol generator in any of the above embodiments.

[0283] The readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, an optical disk, or the like may be 。

[0284] It should be clearly noted that in the claims, specification and drawings of this application, the term "a plurality of" means two or more. Also, unless otherwise clearly defined, the directions or positional relationships indicated by terms such as "upper", "lower", etc. are the directions or positional relationships based on the illustration, and are merely for making it easier to describe this application and simplifying the description process, and do not explicitly or implicitly imply that the device or component in question must have the specific directions described and be configured and operated in the specific directions. Therefore, these descriptions should not be construed as restricting this application. Also, terms such as "connect", "attach", "fix", etc. should all be construed in a broad sense. For example, "connect" may refer to a fixed connection between multiple objects, or a removable connection or an integral connection between multiple objects. And it may be a direct connection between multiple objects, or an indirect connection through an intermediate medium between multiple objects. Those skilled in the art can interpret the specific meanings of the above terms in this application based on the specific circumstances.

[0285] In the claims, specification and drawings of this application, descriptions using terms such as "an embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described by combining the embodiments or exemplifications are included in at least one embodiment or exemplification of this application. In the claims, specification and drawings of this application, the general descriptions of the above terms do not necessarily indicate the same embodiment or case. And the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or exemplifications.

[0286] The above are only preferred embodiments of this application and do not limit this application. For those skilled in the art, various changes and modifications may exist in this application. Any modifications, equivalent substitutions, improvements, etc. implemented within the scope of the spirit and principles of this application shall all be included in the protection scope of this application.

Description of Reference Numerals

[0287] 100 Aerosol generator 102 Housing 103 Atomization chamber 1032 Accommodation chamber 1034 Resonance cavity 104 Microwave module 1041 Microwave generating device 10412 Microwave generator 10414 Power amplifier 10416 Power regulator 1042 Microwave antenna 1043 First power detection device 1044 Second power detection device 1048 Directional coupler 105 Control device 106 Spacer 107 Resonance rod 108 Aerosol generation substrate

Claims

1. A method for controlling an aerosol generator, wherein the aerosol generator includes an atomization chamber and a microwave module, the atomization chamber is used to accommodate an aerosol generation substrate, and the microwave module is used to supply microwaves to the atomization chamber, the control method comprising: performing a sweeping operation within a microwave frequency range to control the microwave module to search for a target microwave frequency that is the frequency at which the absorption amount of microwaves in the atomization chamber is maximized within the microwave frequency range; identifying the presence state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and a preset set frequency range; controlling the operating state of the microwave module based on the presence state of the aerosol generation substrate.

2. The set frequency range includes a plurality of set frequencies, and the step of identifying the presence state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and the set frequency range specifically includes: identifying that the aerosol generation substrate in the atomization chamber is in a non - existent state based on the fact that the target microwave frequency is smaller than the minimum value within the set frequency range; identifying that the aerosol generation substrate in the atomization chamber is in a present state based on the fact that the target microwave frequency is larger than the maximum value within the set frequency range; identifying the presence state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value which is the value obtained by adding and averaging the values of the plurality of set frequencies within the set frequency range, according to the method for controlling an aerosol generator according to Claim 1.

3. The step of identifying the presence state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value of the set frequency range specifically includes: identifying that the aerosol generation substrate in the atomization chamber is in a present state based on the fact that the target microwave frequency is larger than the frequency average value. Based on the fact that the target microwave frequency is less than or equal to the average frequency value, identifying that the aerosol generation substrate in the atomization chamber is in a non-existent state, the method for controlling an aerosol generator according to claim 2, comprising.

4. Based on the presence state of the aerosol generation substrate described above, the step of controlling the operating state of the microwave module specifically includes: Based on the fact that the aerosol generation substrate is in an existent state, controlling the microwave module to supply microwaves to the atomization chamber at the target microwave frequency, Based on the fact that the aerosol generation substrate is in a non-existent state, controlling the microwave module to stop the operation and outputting attention-calling information, the method for controlling an aerosol generator according to any one of claims 1 to 3, comprising.

5. The microwave module includes a microwave generator and a microwave antenna. The microwave antenna is connected to the microwave generator. The microwave antenna emits microwaves generated by the microwave generator to the atomization chamber and is used to receive a feedback signal. The step of controlling the microwave module to perform a sweeping operation within the above range of microwave frequencies to search for the target microwave frequency within the range of microwave frequencies specifically includes: Controlling the microwave module to emit microwaves into the atomization chamber at each microwave frequency within the range of microwave frequencies, Detecting the feedback power value of the feedback signal corresponding to each microwave frequency, Based on the feedback power values corresponding to each of the above microwave frequencies, selecting the target microwave frequency within the range of microwave frequencies, the method for controlling an aerosol generator according to any one of claims 1 to 3, comprising.

6. Based on the feedback power values corresponding to each of the above microwave frequencies, the step of selecting the target microwave frequency within the range of microwave frequencies specifically includes: Detecting the operating power value corresponding to the microwave of each microwave frequency output by the microwave module, Performing a ratio calculation on the feedback power value and the operating power value corresponding to each microwave frequency to obtain a power ratio. Selecting the target microwave frequency within the range of the microwave frequencies based on the power ratio corresponding to each of the microwave frequencies, the control method of the aerosol generator according to claim 5, comprising.

7. Based on the power ratio corresponding to each of the above microwave frequencies, the step of selecting the target microwave frequency within the range of the microwave frequencies is specifically, Identifying the minimum power ratio among the power ratios corresponding to each of the microwave frequencies; Searching for the microwave frequency corresponding to the minimum power ratio and determining the target microwave frequency, the control method of the aerosol generator according to claim 6, comprising.

8. Based on the feedback power value corresponding to each of the above microwave frequencies, the step of selecting the target microwave frequency within the range of the microwave frequencies is specifically, Identifying the minimum feedback power value among the feedback power values corresponding to each of the microwave frequencies; Searching for the microwave frequency corresponding to the minimum feedback power value and determining the target microwave frequency, the control method of the aerosol generator according to claim 5, comprising.

9. A control device for an aerosol generator, The aerosol generator includes an atomization chamber and a microwave module. The atomization chamber is used to accommodate an aerosol generation substrate, and the microwave module is used to supply microwaves to the atomization chamber. The control device of the aerosol generator is, A search unit that controls the microwave module to perform a sweeping operation within a range of microwave frequencies to search for a target microwave frequency that is the frequency at which the absorption amount of microwaves in the atomization chamber is maximized within the range of the microwave frequencies; A detection unit that identifies the presence state of the aerosol generation substrate in the atomization chamber based on the numerical relationship between the target microwave frequency and a preset set frequency range; A device including a control unit that controls the operating state of the microwave module based on the presence state of the aerosol generation substrate.

10. The set frequency range includes a plurality of set frequencies. The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a non-existent state based on the fact that the target microwave frequency is lower than the minimum value within the set frequency range. The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in an existent state based on the fact that the target microwave frequency is higher than the maximum value within the set frequency range. The detection unit further specifies the presence state of the aerosol generation substrate in the atomization chamber from the numerical relationship between the target microwave frequency and the frequency average value, which is the value obtained by adding and averaging the values of the plurality of set frequencies within the set frequency range, based on the fact that the target microwave frequency is within the set frequency range. The control device of the aerosol generator according to claim 9.

11. The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in an existent state based on the fact that the target microwave frequency is higher than the frequency average value. The detection unit further specifies that the aerosol generation substrate in the atomization chamber is in a non-existent state based on the fact that the target microwave frequency is less than or equal to the frequency average value. The control device of the aerosol generator according to claim 10.

12. The control unit further controls the microwave module to supply microwaves to the atomization chamber at the target microwave frequency based on the fact that the aerosol generation substrate is in an existent state. The control unit further controls the microwave module to stop the operation based on the fact that the aerosol generation substrate is in a non-existent state, and outputs alert information. The control device of the aerosol generator according to any one of claims 9 to 11.

13. The microwave module includes a microwave generator and a microwave antenna. The microwave antenna is connected to the microwave generator. The microwave antenna emits the microwaves generated by the microwave generator to the atomization chamber and is used to receive a feedback signal. The control unit further controls the microwave module to emit microwaves into the atomization chamber at each microwave frequency within the range of the microwave frequency. The detection unit further detects the feedback power value of the feedback signal corresponding to each microwave frequency. The control device of the aerosol generator according to any one of claims 9 to 11, wherein the search unit further selects the target microwave frequency within the range of the microwave frequencies based on the feedback power value corresponding to each of the microwave frequencies.

14. The detection unit further detects an operating power value corresponding to the microwave of each microwave frequency output by the microwave module. The control device further includes a calculation unit that obtains a power ratio by performing a ratio calculation on the feedback power value and the operating power value corresponding to each of the microwave frequencies. The search unit further selects the target microwave frequency within the range of the microwave frequencies based on the power ratio corresponding to each of the microwave frequencies, for the control device of the aerosol generator according to claim 13.

15. The search unit further identifies the minimum power ratio among the power ratios corresponding to each of the microwave frequencies. The search unit further searches for the microwave frequency corresponding to the minimum power ratio to determine the target microwave frequency, for the control device of the aerosol generator according to claim 14.

16. The search unit further identifies the minimum feedback power value among the feedback power values corresponding to each of the microwave frequencies. The search unit further searches for the microwave frequency corresponding to the minimum feedback power value to determine the target microwave frequency, for the control device of the aerosol generator according to claim 13.

17. An atomization chamber for accommodating an aerosol generation substrate, a microwave module for supplying microwaves into the atomization chamber, and the control device of the aerosol generator according to any one of claims 9 to 16, connected to the microwave module. An aerosol generator comprising.

18. A memory storing a program or instructions, and a processor that realizes the steps of the control method of the aerosol generator according to any one of claims 1 to 8 by executing the program or instructions stored in the memory. An aerosol generator comprising.

19. A readable storage medium in which a program or instructions are stored, and when the program or instructions are executed by a processor, the steps of the control method of the aerosol generator according to any one of claims 1 to 8 are realized.

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