Aerosol generating device, control method thereof, 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 a housing (120) including an atomization chamber (122), a microwave module (140) connected to the housing (120) and used to supply microwaves into the atomization chamber (122), a voltage collecting module (160) provided in the atomization chamber (122) and used to collect a feedback voltage value of the atomization chamber (122), and a controller (180) connected to the voltage collecting module (160) and used to determine a target operating frequency of the microwave module (140) based on the feedback voltage value. This ensures the detection accuracy and detection efficiency of the optimal frequency point of the microwave module, and eliminates the need to separately provide a circulator with a large volume in the atomization chamber, which is advantageous for product miniaturization. In addition, the voltage collecting module does not generate a large amount of heat during the operation process, so that the operating efficiency of the aerosol generating device is ensured.

Description

[Technical Field]

[0001] This application claims priority to a Chinese patent application bearing application number "202111498340.8" and title "Aerosol generating device and control method thereof, control device and readable storage medium" filed with the State Intellectual Property Office of China on December 9, 2021, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the technical field of electronic cigarettes, and more particularly to an aerosol generating device, a control method thereof, a control device, and a readable storage medium. [Background technology]

[0003] The Heat Not Burning (HNB) device is a composite device that combines a heating device with an aerosol-generating substrate (treated plant leaf product). The external heating device heats the aerosol-generating substrate to a high temperature that can generate aerosols but does not reach combustion, allowing the aerosol-generating substrate to generate the desired aerosol, without combustion.

[0004] Currently, non-combustion heating devices on the market primarily use resistance heating. Heating is achieved by inserting a central heating tip or heating pin into the aerosol-generating substrate from its center. These devices require preheating before use, resulting in long standby times and inability to freely start and stop inhalation. Furthermore, the aerosol-generating substrate carbonizes unevenly, resulting in insufficient baking, resulting in low utilization. Furthermore, the heating tip of HNB devices easily stains the aerosol-generating substrate removal device and heating tip base, making cleaning difficult. Furthermore, excessive temperature rise in the aerosol-generating substrate in contact with the heating element can lead to partial decomposition, resulting in the release of substances harmful to the human body. Therefore, microwave heating technology is gradually replacing resistance heating. Microwave heating technology is efficient, rapid, selective, and has no heating delay, and is only effective for materials with specific dielectric properties. The application advantages of microwave atomization include the following:

[0005] a. Microwave heating is radiation heating, not heat transfer, so it can be inhaled and stopped immediately.

[0006] b. fever Since there is no chip, there are no problems with chip breakage or cleaning of the heat-generating chip.

[0007] c. The utilization rate of the aerosol-generating substrate is high, and the smoking experience is more consistent with that of a cigarette.

[0008] In the prior art, aerosol generators use a circulator to detect the standing wave ratio to determine the optimal frequency point of the microwave module, but the circulator is large in volume, making it impossible to achieve a compact design for the aerosol generator. Summary of the Invention [Problem to be solved by the invention]

[0009] The present application aims to solve one of the technical problems existing in the prior art or related art. [Means for solving the problem]

[0010] Therefore, in a first aspect of the present application, an aerosol generating device is provided.

[0011] In a second aspect of the present application, there is provided a method for controlling an aerosol generating device.

[0012] In a third aspect, the present application provides a control device for an aerosol generating device.

[0013] In a fourth aspect, the present application provides a control device for an aerosol generating device.

[0014] In a fifth aspect of the present application, a readable storage medium is provided.

[0015] In a sixth aspect of the present application, there is provided an aerosol generating device.

[0016] In view of the above, according to a first aspect of the present application, there is provided an aerosol generating device including a housing including an atomization chamber, a microwave module connected to the housing and used to supply microwaves into the atomization chamber, a voltage collection module provided in the atomization chamber and used to collect feedback voltage values ​​of the atomization chamber, and a controller connected to the voltage collection module and used to determine a target operating frequency of the microwave module based on the feedback voltage value.

[0017] The aerosol generating device provided by the present application includes a housing, a microwave module, a voltage collecting module, and a controller. An atomization chamber is provided within the housing, and an aerosol-generating substrate can be accommodated within the atomization chamber. A microwave module is attached to the housing. The microwave module is capable of supplying microwaves into the atomization chamber. The aerosol-generating substrate accommodated within the atomization chamber is heated and atomized by the action of the microwaves supplied from the microwave module. The microwaves generated by the microwave module generate a current in the wall structure of the atomization chamber due to the resonance characteristics of the atomization chamber. A feedback voltage value of the current in the wall structure of the atomization chamber can be collected by the voltage collecting module. The voltage collecting module transmits the feedback voltage value to the controller. The controller can determine the amount of energy in the wall of the atomization chamber based on the magnitude of the feedback voltage value.

[0018] Specifically, while the microwave module performs a sweeping operation, the voltage collection module continues to collect feedback voltage values ​​of the chamber wall of the atomization chamber. The controller also records the collected feedback voltage values. When the microwave module completes its sweeping operation, the controller compares the magnitudes of the feedback voltage values ​​and sets the operating frequency corresponding to the maximum feedback voltage value among the multiple feedback voltage values ​​as the target operating frequency. As can be understood, a large feedback voltage value means that the microwaves of that frequency supply a large amount of energy into the atomization chamber, and therefore the operating frequency corresponding to the maximum feedback voltage value becomes the resonant frequency of the atomization chamber. Therefore, by controlling the microwave module to operate at the operating frequency corresponding to the maximum feedback voltage value, the microwave module can be operated at an optimal frequency point, thereby improving the heating and atomization efficiency of the aerosol generating device for the aerosol-generating substrate.

[0019] For example, a microcontroller may be configured to perform a sweep operation within a set frequency range. Wave MoThe frequency sweep control unit controls the power supply voltage. The minimum frequency of the set frequency range is 2.2G, and the maximum frequency is 2.57G. During the sweep operation, the microwave module starts from the minimum frequency. It then controls the microwave module to increase the frequency by 10MHz every 2 milliseconds until it reaches the maximum frequency. Each time the operating frequency is switched, a feedback voltage value is recorded. After the sweep is completed, the operating frequency corresponding to the maximum feedback voltage value is set as the target operating frequency, and the microwave module is controlled to supply microwaves into the atomization chamber according to the target operating frequency.

[0020] In the related art, a circulator for detecting the standing wave ratio is installed in the aerosol generator, which occupies a large space in the aerosol generator and generates heat during operation, reducing the efficiency of the entire system.

[0021] In the present application, a voltage collection module capable of collecting feedback voltage values ​​of the chamber wall of the atomization chamber is provided in the atomization chamber. This allows the controller to identify the energy supply status in the atomization chamber at that time based on the feedback voltage value and determine the resonance frequency of the atomization chamber, which is the optimal frequency point for the microwave module to operate. microwave Controlling the module improves the heating and atomization efficiency of the aerosol generating substrate by the aerosol generator. This ensures the detection accuracy and efficiency of the optimal frequency point of the microwave module, and also eliminates the need to install a separate, large-volume circulator in the atomization chamber, which is advantageous for product miniaturization and reduces production costs. Furthermore, the voltage collection module does not generate a large amount of heat during operation, ensuring the operating efficiency of the aerosol generator.

[0022] In addition, the aerosol generating device in the above technical solution provided by the present application may further have the following additional technical features:

[0023] In a possible design, the voltage collection module includes a feed point provided on an inner wall of the housing, and a filter module having a first terminal connected to the feed point and a second terminal connected to the controller.

[0024] In this design, the voltage collection module includes a power supply point and a filter module. The power supply point is located on the inner wall of the housing, i.e., in the interior space of the atomization chamber. The voltage signal on the inner wall of the atomization chamber is collected by the power supply point. The voltage signal is filtered by the filter module and transmitted to the controller. The controller can then collect the feedback voltage value of the atomization chamber through the power supply point.

[0025] When microwaves are supplied into the atomization chamber, a current is generated in the wall structure of the atomization chamber due to the resonance characteristics of the atomization chamber. In this application, a power supply point is provided in the atomization chamber to collect feedback voltage values ​​on the wall of the atomization chamber.

[0026] In one possible design, the filter module includes a filter circuit connected to the controller, the filter circuit having a first terminal connected to the first terminal of the diode and a second terminal connected to the second terminal of the diode, and conducting from the second terminal of the diode to the first terminal.

[0027] In this design, the filter module includes a diode and a filter circuit. The diode is a rectifying diode, which rectifies the current on the inner wall of the atomization chamber into a DC signal. The filter circuit filters the DC signal, and the filtered DC signal is sent to a controller. The controller receives the filtered DC signal and can determine the feedback voltage value on the inner wall of the atomization chamber.

[0028] Specifically, the diode is connected in parallel with the filter circuit. The first terminal of the diode is the negative terminal of the diode. The negative terminal of the diode is connected to the power supply point, and the positive terminal of the diode is connected to ground. The controller is also connected to the rectifier circuit. The feedback voltage value of the negative current at the chamber wall of the atomization chamber can be collected by the negative terminal of the diode.

[0029] In the present application, a diode and a filter circuit are arranged in parallel, and the negative pole of the diode is connected to the power supply point, so that the filter module can collect the feedback voltage value of the negative current at the chamber wall of the atomization chamber through the power supply point.

[0030] In one possible design, the filter module includes a diode having a first terminal connected to the power supply point, and a filter circuit having a first terminal connected to a second terminal of the diode and a second terminal connected to ground, the filter circuit being connected to the controller and providing electrical continuity from the first terminal of the diode to the second terminal.

[0031] In this design, the filter module includes a diode and a filter circuit. The diode is a rectifying diode, which rectifies the current on the inner wall of the atomization chamber into a DC signal. The filter circuit filters the DC signal, and the filtered DC signal is sent to a controller. The controller receives the filtered DC signal and can determine the feedback voltage value on the inner wall of the atomization chamber.

[0032] Specifically, the diode is connected in series with the filter circuit. The first terminal of the diode is the positive terminal of the diode. The positive terminal of the diode is connected to the power supply point, and the negative terminal of the diode is connected to the controller via the rectifier circuit. The feedback voltage value of the positive current at the chamber wall of the atomization chamber can be collected by the positive terminal of the diode.

[0033] In the present application, a diode and a filter circuit are connected in series, and the positive pole of the diode is connected to a power supply point, so that the filter module can collect a feedback voltage value of the positive current at the chamber wall of the atomization chamber through the power supply point.

[0034] In possible designs, the filter circuit includes any one or combination of a capacitor filter circuit, a resistor-capacitor filter circuit, and an inductor-capacitor filter circuit.

[0035] In this design, a DC filter circuit is selected as the filter circuit, and specifically, one or a combination of a capacitor filter circuit, a resistor-capacitor filter circuit (RC), and an inductor-capacitor filter circuit (LC) can be selected.

[0036] In some embodiments, the filter circuit is selected to be an inductor-capacitor filter circuit, with a diode and the inductor-capacitor filter circuit in series.

[0037] In these embodiments, a first terminal of the diode is connected to the power supply point, and a second terminal of the diode is connected to a series inductor and capacitor. The capacitor is connected to the controller, and a common terminal of the capacitor and the controller is connected to ground. The diode conducts from the first terminal to the second terminal. The current at the wall of the atomization chamber is rectified by the diode and becomes a DC current signal. The DC current signal is filtered by an inductor-capacitor filter circuit and then transmitted to the controller. The controller can obtain a feedback voltage value by processing the DC current signal.

[0038] In possible designs, the power supply point includes a through hole provided in the bottom wall of the atomization chamber, with the filter module connected to the hole wall; a conductive ring provided in the inner wall of the atomization chamber, close to the bottom wall of the atomization chamber, with the filter module connected to the conductive ring; or a lead wire with a first terminal connected to the bottom wall of the atomization chamber and a second terminal connected to the filter module.

[0039] In this design, the feed points are selectable in several types, including but not limited to through holes, conductive rings, and lead wires.

[0040] In some embodiments, the power supply point is a through hole, and the through hole is located at the bottom wall of the atomization chamber, and the sampling terminal of the filter module is connected to the wall of the through hole to collect the feedback voltage value at the wall of the through hole on the bottom wall of the atomization chamber.

[0041] In some other embodiments, the power supply point is a conductive ring. Specifically, a copper ring may be selected as the conductive ring. The conductive ring is provided on the inner wall of the atomization chamber and is located close to the bottom wall of the atomization chamber. The sampling terminal of the filter module is connected to the conductive ring. The conductive ring is located at the chamber wall of the atomization chamber. The conductive ring allows the chamber wall current to flow to the filter module. Thus, a feedback voltage value of the chamber wall of the atomization chamber is collected through the conductive ring.

[0042] According to a second aspect of the present application, there is provided a method for controlling an aerosol generating device. The aerosol generating device includes a microwave module, an atomization chamber, and a voltage collecting module. The method includes controlling the microwave module to perform a sweep operation within a set frequency range, collecting multiple feedback voltage values ​​of the atomization chamber using the voltage collecting module while the microwave module is performing the sweep operation, determining a target frequency within the set frequency range based on the multiple feedback voltage values, and controlling the microwave module to operate according to the target frequency.

[0043] The present application provides a method for controlling an aerosol generating device. The aerosol generating device includes a housing, a microwave module, a voltage collecting module, and a controller. An atomization chamber is provided within the housing, and an aerosol-generating substrate can be accommodated within the atomization chamber. A microwave module is attached to the housing. The microwave module is capable of supplying microwaves into the atomization chamber. The aerosol-generating substrate accommodated within the atomization chamber can be heated and atomized by the action of the microwaves supplied from the microwave module. The microwaves generated by the microwave module generate an electric current in the wall structure of the atomization chamber due to the resonance characteristics of the atomization chamber.

[0044] When an aerosol-generating substrate is located within the atomization chamber, the microwave module is controlled to initiate a sweeping operation within a set frequency range. While the microwave module is performing the sweeping operation, the voltage collection module continuously collects a plurality of feedback voltage values ​​on the wall of the atomization chamber. As can be seen, the plurality of feedback voltage values ​​correspond to a plurality of operating frequencies during the sweeping operation of the microwave module. Therefore, a target frequency within the set frequency range can be obtained by analyzing and processing the plurality of feedback voltage values. The microwave module is then controlled to supply microwaves into the atomization chamber according to the target frequency, thereby heating and atomizing the aerosol-generating substrate within the atomization chamber.

[0045] As can be seen, feedback voltage values ​​are collected during the sweep process, and a target frequency is determined based on the feedback voltage values. setting Within the frequency range atomization chamber The operating frequency is the frequency closest to the resonant frequency of the microwave module, i.e., the optimal frequency point during the operation of the microwave module. By controlling the aerosol generator to supply microwaves into the atomization chamber according to the target frequency, the atomization efficiency of the aerosol-generating substrate in the atomization chamber can be improved.

[0046] In the related art, a circulator for detecting the standing wave ratio is installed in the aerosol generator, which occupies a large space in the aerosol generator and generates heat during operation, reducing the efficiency of the entire system.

[0047] In the present application, a voltage collection module capable of collecting feedback voltage values ​​of the chamber wall of the atomization chamber is provided in the atomization chamber. This allows the controller to identify the energy supply status in the atomization chamber at that time based on the feedback voltage value and determine the resonance frequency of the atomization chamber, which is the optimal frequency point for the microwave module to operate. microwave Controlling the module improves the heating and atomization efficiency of the aerosol generating substrate by the aerosol generator. This ensures the detection accuracy and efficiency of the optimal frequency point of the microwave module, and also eliminates the need to install a separate, large-volume circulator in the atomization chamber, which is advantageous for product miniaturization and reduces production costs. Furthermore, the voltage collection module does not generate a large amount of heat during operation, ensuring the operating efficiency of the aerosol generator.

[0048] The method for controlling an aerosol generating device in the above technical solution provided in this application may further have the following technical features:

[0049] In a possible design, determining a target frequency within a set frequency range based on the feedback voltage value further includes obtaining a maximum voltage value among the plurality of feedback voltage values, and determining, based on the maximum voltage value, a target frequency within the set frequency range corresponding to the maximum voltage value.

[0050] In this design, when the microwave module performs a sweeping operation, the voltage collection module continuously collects feedback voltage values ​​of the chamber wall of the atomization chamber. The controller records the collected feedback voltage values. After the microwave module completes the sweeping operation, the controller compares the magnitudes of the feedback voltage values ​​and sets the operating frequency corresponding to the maximum voltage value among the feedback voltage values ​​as the target operating frequency.

[0051] As can be understood, when the feedback voltage value is large, it means that the microwave of the frequency at that time supplies a lot of energy into the atomization chamber, so the operating frequency corresponding to the maximum voltage value among the multiple feedback voltage values ​​is setting Therefore, if the microwave module is controlled to operate at the operating frequency corresponding to the maximum feedback voltage value, the microwave module can be operated at the optimal frequency point, improving the efficiency of heating and atomizing the aerosol generating substrate by the aerosol generator.

[0052] In one possible design, controlling the microwave module to perform a sweeping operation within a set frequency range includes controlling the microwave module to begin operation at a first frequency within the set frequency range, and adjusting the operating frequency of the microwave module by a set adjustment value every first set length of time until the operating frequency reaches a second frequency within the set frequency range.

[0053] In this design, the microwave module is controlled to perform a sweep operation within a set frequency range, specifically, to start operation at a relatively low first frequency within the set frequency range, and then to adjust the operating frequency to a set adjustment value every first set time length until the microwave module is adjusted to a second frequency within the set frequency range.

[0054] As can be understood, the first frequency can be greater than the second frequency, or the first frequency can be less than the second frequency, i.e., the microwave module can operate in a sweeping operation by increasing the frequency from a low frequency to a high frequency within the set frequency range, or by decreasing the frequency from a high frequency to a low frequency within the set frequency range.

[0055] For example, a microcontroller may be configured to perform a sweep operation within a set frequency range. Wave Mo The frequency sweep control unit controls the power supply voltage. The minimum frequency of the set frequency range is 2.2G, and the maximum frequency is 2.57G. During the sweep operation, the microwave module starts from the minimum frequency. It then controls the microwave module to increase the frequency by 10MHz every 2 milliseconds until it reaches the maximum frequency. Each time the operating frequency is switched, a feedback voltage value is recorded. After the sweep is completed, the operating frequency corresponding to the maximum feedback voltage value is set as the target operating frequency, and the microwave module is controlled to supply microwaves into the atomization chamber according to the target operating frequency.

[0056] In the present application, the operating frequency of the microwave module is controlled to be adjusted to the set adjustment value every time the first set time length elapses, so that the microwave module has a sufficient time length to supply microwaves into the atomization chamber at each operating frequency. This improves the correspondence between multiple feedback voltage values ​​and multiple operating frequencies within the set frequency range, thereby improving the accuracy of obtaining the target frequency.

[0057] In one possible design, collecting multiple feedback voltage values ​​of the atomization chamber by the voltage collection module while the microwave module is performing a sweep operation includes collecting feedback voltage values ​​of the atomization chamber every first set length of time while the microwave module is operating.

[0058] In this design, the feedback voltage value of the atomization chamber is collected once every first set time during the sweep operation. The collected feedback voltage value is then associated with the time when the operating frequency of the microwave module is adjusted during the sweep operation, thereby establishing a one-to-one correspondence between the collected feedback voltage values ​​and the operating frequency within the set frequency range. This facilitates subsequent search for an accurate target frequency based on the maximum feedback voltage value.

[0059] In some embodiments, the voltage collection module continuously detects the feedback voltage value of the atomization chamber and records the current feedback voltage value every first set length of time.

[0060] In some other embodiments, the voltage acquisition module detects and records the current feedback voltage value every first set length of time.

[0061] In a possible design, after controlling the microwave module to operate according to the target frequency, if the microwave module has operated according to the target frequency for a second set length of time, returning to the step of controlling the microwave module to perform a sweep operation within a set frequency range until a command to stop operation is received.

[0062] In this design, after determining the target frequency, the microwave module is controlled to operate at the target frequency for a second set time period, and then the process returns to the step of controlling the microwave module to perform a sweep operation to search for the target frequency again. The aerosol-generating substrate in the aerosol generator is heated and atomized as the microwave module operates, causing changes in the aerosol-generating substrate in the atomization chamber, which in turn changes the resonant frequency of the atomization chamber. Therefore, in this application, the microwave module is controlled to operate at the target frequency for a second set time period, and then the process returns to the step of searching for the target frequency again, thereby continuously updating the target frequency as the microwave module operates. This ensures that the microwave module in the aerosol generator can operate at the optimal frequency point for a long period of time, thereby improving the atomization effect of the aerosol-generating substrate by the aerosol generator.

[0063] In a third aspect, the present application provides a control device for an aerosol generating device, the aerosol generating device including a microwave module, an atomization chamber, and a voltage collection module. The control device for the aerosol generating device includes a control module for controlling the microwave module to perform a sweep operation within a set frequency range, a collection module for collecting multiple feedback voltage values ​​of the atomization chamber using the voltage collection module while the microwave module is performing the sweep operation, and a determination module for determining a target frequency within the set frequency range based on the multiple feedback voltage values. control The module is further used to control the microwave module to operate according to a target frequency.

[0064] The control device for an aerosol generating device provided herein controls the aerosol generating device. The aerosol generating device includes a housing, a microwave module, a voltage collection module, and a controller. An atomization chamber is provided within the housing, and an aerosol-generating substrate can be accommodated within the atomization chamber. A microwave module is attached to the housing. The microwave module is capable of supplying microwaves into the atomization chamber. The aerosol-generating substrate accommodated within the atomization chamber is heated by the action of the microwaves supplied from the microwave module and can be atomized. The microwaves generated by the microwave module generate an electric current in the wall structure of the atomization chamber due to the resonance characteristics of the atomization chamber.

[0065] When an aerosol-generating substrate is located within the atomization chamber, the microwave module is controlled to initiate a sweeping operation within a set frequency range. While the microwave module is performing the sweeping operation, the voltage collection module continuously collects a plurality of feedback voltage values ​​on the wall of the atomization chamber. As can be seen, the plurality of feedback voltage values ​​correspond to a plurality of operating frequencies during the sweeping operation of the microwave module. Therefore, a target frequency within the set frequency range can be obtained by analyzing and processing the plurality of feedback voltage values. The microwave module is then controlled to supply microwaves into the atomization chamber according to the target frequency, thereby heating and atomizing the aerosol-generating substrate within the atomization chamber.

[0066] As can be seen, feedback voltage values ​​are collected during the sweep process, and a target frequency is determined based on the feedback voltage values. setting Within the frequency range atomization chamber The operating frequency is the frequency closest to the resonant frequency of the microwave module, i.e., the optimal frequency point during the operation of the microwave module. By controlling the aerosol generator to supply microwaves into the atomization chamber according to the target frequency, the atomization efficiency of the aerosol-generating substrate in the atomization chamber can be improved.

[0067] In the related art, a circulator for detecting the standing wave ratio is installed in the aerosol generator, which occupies a large space in the aerosol generator and generates heat during operation, reducing the efficiency of the entire system.

[0068] In the present application, a voltage collection module capable of collecting feedback voltage values ​​of the chamber wall of the atomization chamber is provided in the atomization chamber. This allows the controller to identify the energy supply status in the atomization chamber at that time based on the feedback voltage value and determine the resonance frequency of the atomization chamber, which is the optimal frequency point for the microwave module to operate. microwave Controlling the module improves the heating and atomization efficiency of the aerosol generating substrate by the aerosol generator. This ensures the detection accuracy and efficiency of the optimal frequency point of the microwave module, and also eliminates the need to install a separate, large-volume circulator in the atomization chamber, which is advantageous for product miniaturization and reduces production costs. Furthermore, the voltage collection module does not generate a large amount of heat during operation, ensuring the operating efficiency of the aerosol generator.

[0069] In a fourth aspect of the present application, there is provided a control device for an aerosol generating device. The control device includes a memory in which a program or instruction is stored, and a processor that executes the program or instruction stored in the memory to implement the steps of the control method for an aerosol generating device in the second aspect. Therefore, the control device has all the beneficial technical effects of the control method for an aerosol generating device in the second aspect, but these will not be described in further detail here.

[0070] In a fifth aspect of the present application, there is provided a readable storage medium having a program or instructions stored thereon. When the program or instructions are executed by a processor, the steps of the method for controlling an aerosol generating device in any of the above possible designs are realized. Therefore, all beneficial technical effects of the method for controlling an aerosol generating device in any of the above possible designs are achieved, and will not be described in further detail here.

[0071] In a sixth aspect of the present application, there is provided an aerosol generating device, which includes the aerosol generating device control device of the third and / or fourth aspects and / or the readable storage medium of the fifth aspect, and thus has all the beneficial technical effects of the aerosol generating device control device and / or the readable storage medium, which will not be described in further detail here. [Effects of the Invention]

[0072] Additional aspects and advantages of the present application will be set forth in part in part in the description that follows, and in part will be apparent from or may be learned by practice of the present application.

[0073] The above and / or additional aspects and advantages of the present application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the drawings. [Brief explanation of the drawings]

[0074] [Figure 1] FIG. 1 shows a schematic structural diagram of an aerosol generating device according to a first embodiment of the present invention. [Figure 2] FIG. 2 shows a schematic diagram 1 of a filter module in a first embodiment of the present application. [Figure 3] FIG. 3 shows a schematic diagram 2 of the filter module in the first embodiment of the present application. [Figure 4] FIG. 4 shows a schematic flowchart 1 of a method for controlling an aerosol generating device according to a second embodiment of the present invention. [Figure 5]FIG. 5 shows a schematic flowchart 2 of a method for controlling an aerosol generating device in a second embodiment of the present invention. [Figure 6] FIG. 6 shows a schematic flowchart 3 of a method for controlling an aerosol generating device in a second embodiment of the present invention. [Figure 7] FIG. 7 shows a schematic diagram of an aerosol generating device according to a second embodiment of the present invention. [Figure 8] FIG. 8 is a schematic block diagram of a control device of an aerosol generating device according to the third embodiment of the present invention. [Figure 9] FIG. 9 is a schematic block diagram of a control device of an aerosol generating device according to a fourth embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0075] In order to make the above-mentioned objects, features and advantages of the present application more clearly understood, the present application will be described in more detail below in combination with drawings and specific embodiments. It should be noted that, if not inconsistent, the embodiments and features of the present application may be combined with each other.

[0076] In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, but the present application may be implemented in other ways different from those described herein, and therefore the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0077] An aerosol generating device, a method for controlling an aerosol generating device, a control device for an aerosol generating device, and a readable storage medium according to several embodiments of the present application will be described below with reference to FIGS. [Example]

[0078] As shown in FIG. 1, a first embodiment of the present application provides an aerosol generating device 100 including a housing 120, an atomization chamber 122, a microwave module 140, a voltage collection module 160, and a controller 180.

[0079] An atomization chamber 122 is provided within the housing 120 .

[0080] The microwave module 140 is connected to the housing 120 and is used to supply microwaves into the atomization chamber 122 .

[0081] The voltage collecting module 160 is provided in the atomization chamber 122 and is used to collect the feedback voltage value of the atomization chamber 122 .

[0082] A controller 180 is connected to the voltage acquisition module 160 and is used to determine a target operating frequency for the microwave module 140 based on the feedback voltage value.

[0083] The aerosol generating device 100 provided in this embodiment includes a housing 120, a microwave module 140, a voltage collecting module 160, and a controller 180. An atomization chamber 122 is provided within the housing 120, and an aerosol-generating substrate can be accommodated within the atomization chamber 122. The microwave module 140 is attached to the housing 120 and is capable of supplying microwaves into the atomization chamber 122. The aerosol-generating substrate accommodated within the atomization chamber 122 is heated and atomized by the action of the microwaves supplied from the microwave module 140. The microwaves generated by the microwave module 140 generate a current in the wall structure of the atomization chamber 122 due to the resonance characteristics of the atomization chamber 122. A feedback voltage value of the current in the wall structure of the atomization chamber 122 can be collected by the voltage collecting module 160. The voltage collecting module 160 transmits the feedback voltage value to the controller 180. The controller 180 can determine the amount of energy at the chamber wall of the atomization chamber 122 based on the magnitude of the feedback voltage value.

[0084] Specifically, while the microwave module 140 performs a sweeping operation, the voltage collection module 160 continues to collect feedback voltage values ​​of the chamber wall of the atomization chamber 122. The controller 180 also records the collected feedback voltage values. When the microwave module 140 completes its sweeping operation, the controller 180 compares the magnitudes of the feedback voltage values ​​and sets the operating frequency corresponding to the maximum feedback voltage value among the multiple feedback voltage values ​​as the target operating frequency. As can be understood, a large feedback voltage value means that the microwaves of that frequency supply a large amount of energy into the atomization chamber 122, and therefore the operating frequency corresponding to the maximum feedback voltage value becomes the resonant frequency of the atomization chamber 122. Therefore, by controlling the microwave module 140 to operate at the operating frequency corresponding to the maximum feedback voltage value, the microwave module 140 can be operated at an optimal frequency point, thereby improving the heating and atomization efficiency of the aerosol-generating substrate by the aerosol generating device 100.

[0085] For example, a microcontroller may be configured to perform a sweep operation within a set frequency range. Wave Mo The frequency sweep control unit 140 controls the frequency of the atomization chamber 122. The minimum frequency of the set frequency range is 2.2 G, and the maximum frequency is 2.57 G. During the sweep operation, the microwave module 140 starts operating from the minimum frequency. Then, the microwave module 140 is controlled to increase the frequency by 10 MHz every 2 milliseconds until it reaches the maximum frequency. Each time the operating frequency is switched, one feedback voltage value is recorded. After the sweep is completed, the operating frequency corresponding to the maximum feedback voltage value is set as the target operating frequency, and the microwave module 140 is controlled to supply microwaves into the atomization chamber 122 according to the target operating frequency.

[0086] In the related art, a circulator for detecting the standing wave ratio is installed in the aerosol generator, which occupies a large space in the aerosol generator and generates heat during operation, reducing the efficiency of the entire system.

[0087] In this embodiment, a voltage collection module 160 capable of collecting feedback voltage values ​​of the chamber wall of the atomization chamber 122 is provided inside the atomization chamber 122. This allows the controller 180 to identify the energy supply status in the atomization chamber 122 at that time based on the feedback voltage value, and to determine the resonant frequency of the atomization chamber 122, which is the optimal frequency point when the microwave module 140 operates. Then, based on the optimal frequency point, microwave Controlling the module improves the efficiency of heating and atomizing the aerosol-generating substrate by the aerosol generator 100. This ensures the detection accuracy and efficiency of the optimal frequency point of the microwave module 140, and also eliminates the need to provide a separate, large-volume circulator in the atomization chamber 122, which is advantageous for product miniaturization and reduces production costs. Furthermore, the voltage collection module 160 does not generate a large amount of heat during operation, ensuring the operating efficiency of the aerosol generator 100.

[0088] In addition, the aerosol generating device 100 of the above technical solution provided in this embodiment may further have the following additional technical features:

[0089] As shown in FIG. 1, in either embodiment, the voltage acquisition module 160 includes a feed point 162 and a filter module 164 .

[0090] The feed point 162 is provided on the inner wall of the housing 120 .

[0091] A first terminal of the filter module 164 is connected to the feed point 162 and a second terminal of the filter module 164 is connected to the controller 180 .

[0092] In this embodiment, the voltage collection module 160 includes a power supply point 162 and a filter module 164. The power supply point 162 is provided on the inner wall of the housing 120. That is, the power supply point 162 is provided in the interior space of the atomization chamber 122. The voltage signal on the inner wall of the atomization chamber 122 is collected by the power supply point 162. The voltage signal is filtered by the filter module 164 and then transmitted to the controller 180. This allows the controller 180 to collect the feedback voltage value of the atomization chamber 122 through the power supply point 162.

[0093] When microwaves are supplied into the atomization chamber 122, a current is generated in the wall structure of the atomization chamber 122 due to the resonance characteristics of the atomization chamber 122. In this embodiment, a power supply point 162 is provided in the atomization chamber 122, thereby enabling collection of a feedback voltage value on the wall of the atomization chamber 122.

[0094] As shown in FIG. 2, in either embodiment, the filter module 164 includes a diode 1642 and a filter circuit 1644 .

[0095] A first terminal of the diode 1642 is connected to the feed point 162, and a second terminal of the diode 1642 is connected to ground.

[0096] A first terminal of the filter circuit 1644 is connected to the first terminal of the diode 1642, and a second terminal of the filter circuit 1644 is connected to the second terminal of the diode 1642. The filter circuit 1644 is also connected to the controller 180.

[0097] In this case, conduction occurs from the second terminal to the first terminal of the diode 1642.

[0098] In this embodiment, the filter module 164 includes a diode 1642 and a filter circuit 1644. The diode 1642 is a rectifying diode 1642, which rectifies the current on the inner wall of the atomization chamber 122 into a DC signal. The filter circuit 1644 filters the DC signal, and the filtered DC signal is sent to the controller 180. The controller 180 can determine the feedback voltage value on the chamber wall of the atomization chamber 122 by receiving the filtered DC signal.

[0099] Specifically, the diode 1642 is connected in parallel with the filter circuit 1644. The first terminal of the diode 1642 is the negative terminal of the diode 1642. The negative terminal of the diode 1642 is connected to the power supply point 162, and the positive terminal of the diode 1642 is connected to ground. The controller 180 is also connected to the rectifier circuit. A feedback voltage value of the negative current at the chamber wall of the atomization chamber 122 can be collected by the negative terminal of the diode 1642.

[0100] In this embodiment, a diode 1642 and a filter circuit 1644 are arranged in parallel, and the negative pole of the diode 1642 is connected to the power supply point 162, so that the filter module 164 can collect the feedback voltage value of the negative current at the chamber wall of the atomization chamber 122 through the power supply point 162.

[0101] As shown in FIG. 3, in any of the above embodiments, the filter module 164 includes a diode 1642 and a filter circuit 1644 .

[0102] A first terminal of the diode 1642 is connected to the feed point 162 .

[0103] A first terminal of the filter circuit 1644 is connected to the second terminal of the diode 1642, and a second terminal of the filter circuit 1644 is connected to ground. The filter circuit 1644 is also connected to the controller 180.

[0104] In this case, conduction occurs from the first terminal to the second terminal of the diode 1642.

[0105] In this embodiment, the filter module 164 includes a diode 1642 and a filter circuit 1644. The diode 1642 is a rectifying diode 1642, which rectifies the current on the inner wall of the atomization chamber 122 into a DC signal. The filter circuit 1644 filters the DC signal, and the filtered DC signal is sent to the controller 180. The controller 180 can determine the feedback voltage value on the chamber wall of the atomization chamber 122 by receiving the filtered DC signal.

[0106] Specifically, the diode 1642 is in series with the filter circuit 1644. The first terminal of the diode 1642 is the positive terminal of the diode 1642. The positive terminal of the diode 1642 is connected to the power supply point 162, and the negative terminal of the diode 1642 is connected to the controller 180 via the rectifier circuit. A feedback voltage value of the positive current at the chamber wall of the atomization chamber 122 can be collected by the positive terminal of the diode 1642.

[0107] In this embodiment, a diode 1642 and a filter circuit 1644 are arranged in series, and the positive terminal of the diode 1642 is connected to the power supply point 162, so that the filter module 164 can collect the feedback voltage value of the positive current at the chamber wall of the atomization chamber 122 through the power supply point 162.

[0108] In any of the above embodiments, the filter circuit 1644 includes one or a combination of a capacitor filter circuit 1644, a resistor-capacitor filter circuit 1644, and an inductor-capacitor filter circuit 1644.

[0109] In this embodiment, a DC filter circuit 1644 is selected as the filter circuit 1644, and specifically, one or a combination of a capacitor filter circuit 1644, a resistor-capacitor filter circuit 1644 (RC), and an inductor-capacitor filter circuit 1644 (LC) can be selected.

[0110] In some embodiments, the filter circuit 1644 is selected to be an inductor-capacitor filter circuit 1644, with the diode 1642 and the inductor-capacitor filter circuit 1644 in series.

[0111] In these embodiments, a first terminal of the diode 1642 is connected to the power supply point 162, and a second terminal of the diode 1642 is connected to a series inductor and capacitor. The capacitor is also connected to the controller 180, and a common terminal of the capacitor and the controller 180 is connected to ground. The diode 1642 conducts from its first terminal to its second terminal. The current at the chamber wall of the atomization chamber 122 is rectified by the diode 1642 and becomes a DC current signal. The DC current signal is filtered by the inductor-capacitor filter circuit 1644 and then transmitted to the controller 180. The controller 180 can obtain a feedback voltage value by processing the DC current signal.

[0112] In any of the above embodiments, the power supply point 162 comprises a through hole provided in the bottom wall of the atomization chamber 122. The filter module 164 is connected to the wall of the through hole.

[0113] Alternatively, the power supply point 162 includes a conductive ring provided on the inner wall of the atomization chamber 122. The conductive ring is adjacent to the bottom wall of the atomization chamber 122, and the filter module 164 is connected to the conductive ring.

[0114] Alternatively, the power supply point 162 includes a lead wire. A first terminal of the lead wire is connected to the bottom wall of the atomization chamber 122, and a second terminal of the lead wire is connected to the filter module 164.

[0115] In this embodiment, the feed point 162 is selectably of several types, including but not limited to a through hole, a conductive ring, and a lead wire.

[0116] In some embodiments, the power supply point 162 is a through-hole, and the through-hole is opened at the bottom wall of the atomization chamber 122. The sampling terminal of the filter module 164 is connected to the wall of the through-hole to collect the feedback voltage value at the wall of the through-hole on the bottom wall of the atomization chamber 122.

[0117] In some other embodiments, the power supply point 162 is a conductive ring. Specifically, a copper ring may be selected as the conductive ring. The conductive ring is provided on the inner wall of the atomization chamber 122. The conductive ring is provided in a position close to the bottom wall of the atomization chamber 122. The sampling terminal of the filter module 164 is connected to the conductive ring. The conductive ring is provided at the chamber wall of the atomization chamber 122. The conductive ring allows the chamber wall current to flow to the filter module 164. As a result, a feedback voltage value of the chamber wall of the atomization chamber 122 is collected through the conductive ring. [Example]

[0118] As shown in FIG. 4, a second embodiment of the present application provides a method for controlling an aerosol generating device.

[0119] The aerosol generating device includes a microwave module, an atomization chamber, and a voltage collection module.

[0120] The method for controlling an aerosol generating device includes:

[0121] Step 402: Control the microwave module to perform a sweep operation within a set frequency range.

[0122] Step 404: While the microwave module is performing a sweep operation, the voltage collecting module collects multiple feedback voltage values ​​of the atomization chamber.

[0123] Step 406: Determine a target frequency within a set frequency range based on the plurality of feedback voltage values.

[0124] Step 408: Control the microwave module to operate according to the target frequency.

[0125] The method for controlling an aerosol generating device provided in this embodiment controls the aerosol generating device. The aerosol generating device includes a housing, a microwave module, a voltage collection module, and a controller. An atomization chamber is provided within the housing, and an aerosol-generating substrate can be accommodated within the atomization chamber. A microwave module is attached to the housing. The microwave module is capable of supplying microwaves into the atomization chamber. The aerosol-generating substrate accommodated within the atomization chamber is heated and atomized by the action of the microwaves supplied from the microwave module. The microwaves generated by the microwave module generate an electric current in the wall structure of the atomization chamber due to the resonance characteristics of the atomization chamber.

[0126] When an aerosol-generating substrate is located within the atomization chamber, the microwave module is controlled to initiate a sweeping operation within a set frequency range. While the microwave module is performing the sweeping operation, the voltage collection module continuously collects a plurality of feedback voltage values ​​on the wall of the atomization chamber. As can be seen, the plurality of feedback voltage values ​​correspond to a plurality of operating frequencies during the sweeping operation of the microwave module. Therefore, a target frequency within the set frequency range can be obtained by analyzing and processing the plurality of feedback voltage values. The microwave module is then controlled to supply microwaves into the atomization chamber according to the target frequency, thereby heating and atomizing the aerosol-generating substrate within the atomization chamber.

[0127] As can be seen, feedback voltage values ​​are collected during the sweep process, and a target frequency is determined based on the feedback voltage values. setting Within the frequency range atomization chamber The operating frequency is the frequency closest to the resonant frequency of the microwave module, i.e., the optimal frequency point during the operation of the microwave module. By controlling the aerosol generator to supply microwaves into the atomization chamber according to the target frequency, the atomization efficiency of the aerosol-generating substrate in the atomization chamber can be improved.

[0128] In the related art, a circulator for detecting the standing wave ratio is installed in the aerosol generator, which occupies a large space in the aerosol generator and generates heat during operation, reducing the efficiency of the entire system.

[0129] In the present application, a voltage collection module capable of collecting feedback voltage values ​​of the chamber wall of the atomization chamber is provided in the atomization chamber. This allows the controller to identify the energy supply status in the atomization chamber at that time based on the feedback voltage value and determine the resonance frequency of the atomization chamber, which is the optimal frequency point for the microwave module to operate. microwave Controlling the module improves the heating and atomization efficiency of the aerosol generating substrate by the aerosol generator. This ensures the detection accuracy and efficiency of the optimal frequency point of the microwave module, and also eliminates the need to install a separate, large-volume circulator in the atomization chamber, which is advantageous for product miniaturization and reduces production costs. Furthermore, the voltage collection module does not generate a large amount of heat during operation, ensuring the operating efficiency of the aerosol generator.

[0130] As shown in FIG. 5, in any of the above embodiments, determining a target frequency within a set frequency range based on a feedback voltage value further includes:

[0131] Step 502: Obtain the maximum voltage value among the multiple feedback voltage values.

[0132] Step 504: Determine a target frequency within the set frequency range corresponding to the maximum voltage value based on the maximum voltage value.

[0133] In this embodiment, while the microwave module performs a sweeping operation, the voltage collection module continues to collect feedback voltage values ​​of the chamber wall of the atomization chamber. The controller records the collected feedback voltage values. When the microwave module completes its sweeping operation, the controller compares the magnitudes of the feedback voltage values ​​and sets the operating frequency corresponding to the maximum voltage value among the feedback voltage values ​​as the target operating frequency.

[0134] As can be understood, when the feedback voltage value is large, it means that the microwave of the frequency at that time supplies a lot of energy into the atomization chamber, so the operating frequency corresponding to the maximum voltage value among the multiple feedback voltage values ​​is setting Therefore, if the microwave module is controlled to operate at the operating frequency corresponding to the maximum feedback voltage value, the microwave module can be operated at the optimal frequency point, improving the efficiency of heating and atomizing the aerosol generating substrate by the aerosol generator.

[0135] As shown in FIG. 6, in any of the above embodiments, controlling the microwave module to perform a sweep operation within a set frequency range includes:

[0136] Step 602: Control the microwave module to begin operating at a first frequency within the set frequency range.

[0137] Step 604: Adjust the operating frequency of the microwave module by the set adjustment value every first set length of time until the operating frequency reaches a second frequency within the set frequency range.

[0138] In this embodiment, the microwave module is controlled to perform a sweep operation within a set frequency range. Specifically, the microwave module is controlled to start operation at a relatively low first frequency within the set frequency range. Then, the microwave module is controlled to adjust the operating frequency to a set adjustment value every time a first set time period elapses until the operating frequency is adjusted to a second frequency within the set frequency range.

[0139] As can be understood, the first frequency can be greater than the second frequency, or the first frequency can be less than the second frequency, i.e., the microwave module can operate in a sweeping operation by increasing the frequency from a low frequency to a high frequency within the set frequency range, or by decreasing the frequency from a high frequency to a low frequency within the set frequency range.

[0140] For example, a microcontroller may be configured to perform a sweep operation within a set frequency range. Wave Mo The frequency sweep control unit controls the power supply voltage. The minimum frequency of the set frequency range is 2.2G, and the maximum frequency is 2.57G. During the sweep operation, the microwave module starts from the minimum frequency. It then controls the microwave module to increase the frequency by 10MHz every 2 milliseconds until it reaches the maximum frequency. Each time the operating frequency is switched, a feedback voltage value is recorded. After the sweep is completed, the operating frequency corresponding to the maximum feedback voltage value is set as the target operating frequency, and the microwave module is controlled to supply microwaves into the atomization chamber according to the target operating frequency.

[0141] In the present application, the operating frequency of the microwave module is controlled to be adjusted to the set adjustment value every time the first set time length elapses, so that the microwave module has a sufficient time length to supply microwaves into the atomization chamber at each operating frequency. This improves the correspondence between multiple feedback voltage values ​​and multiple operating frequencies within the set frequency range, thereby improving the accuracy of obtaining the target frequency.

[0142] In any of the above embodiments, collecting multiple feedback voltage values ​​of the atomization chamber by the voltage collection module while the microwave module is performing a sweep operation includes collecting feedback voltage values ​​of the atomization chamber every first set time length while the microwave module is operating.

[0143] In this embodiment, the feedback voltage value of the atomization chamber is collected once for each first set time length during the sweep operation. Then, the time at which the feedback voltage value is collected is associated with the time at which the operating frequency of the microwave module is adjusted during the sweep operation. This allows for a one-to-one correspondence between the collected feedback voltage values ​​and the operating frequency within the set frequency range. This is convenient for subsequently searching for an accurate target frequency based on the maximum voltage value among the multiple feedback voltage values.

[0144] In some embodiments, the voltage collection module continuously detects the feedback voltage value of the atomization chamber and records the current feedback voltage value every first set length of time.

[0145] In some other embodiments, the voltage acquisition module detects and records the current feedback voltage value every first set length of time.

[0146] In any of the above embodiments, after controlling the microwave module to operate according to the target frequency, if the microwave module operates according to the target frequency for a second set length of time, returning to the step of controlling the microwave module to perform a sweep operation within the set frequency range until a stop command is received.

[0147] In this embodiment, after determining the target frequency, the microwave module is controlled to operate for a second set time period according to the target frequency, and then the process returns to the step of controlling the microwave module to perform a sweep operation to search for the target frequency again. The aerosol-generating substrate in the aerosol generator is heated and atomized as the microwave module operates, causing changes in the aerosol-generating substrate in the atomization chamber, which in turn changes the resonant frequency of the atomization chamber. Therefore, in this embodiment, the microwave module is controlled to operate for a second set time period according to the target frequency, and then the process returns to the step of searching for the target frequency again, thereby continuously updating the target frequency as the microwave module operates. This ensures that the microwave module in the aerosol generator can operate at an optimal frequency point for a long period of time, thereby improving the atomization efficiency of the aerosol-generating substrate by the aerosol generator.

[0148] As shown in FIG. 7, in the control process of the microwave module, the operation of the microwave module is controlled by closed-loop control of the feedback voltage value.

[0149] The controller atomization chamber The feedback voltage value is collected, and a target frequency is determined based on the feedback voltage value, and the microwave module is controlled to operate according to the target frequency, so that the microwave passes through the microwave amplifier and coupler and is then supplied into the atomization chamber. [Example]

[0150] 8, a third embodiment of the present application provides a control device 800 for an aerosol generating device. The aerosol generating device includes a microwave module, an atomization chamber, and a voltage collecting module.

[0151] The control device for the aerosol generating device includes a control module 802 for controlling the microwave module to perform a sweep operation within a set frequency range, a collection module 804 for collecting multiple feedback voltage values ​​of the atomization chamber using the voltage collection module while the microwave module is performing the sweep operation, and a determination module 806 for determining a target frequency within the set frequency range based on the multiple feedback voltage values. The control module 802 is used to control the microwave module to operate according to the target frequency.

[0152] The aerosol generating device control device provided in this embodiment controls the aerosol generating device. The aerosol generating device includes a housing, a microwave module, a voltage collection module, and a controller. An atomization chamber is provided within the housing, and an aerosol-generating substrate can be accommodated within the atomization chamber. A microwave module is attached to the housing. The microwave module is capable of supplying microwaves into the atomization chamber. The aerosol-generating substrate accommodated within the atomization chamber is heated by the action of the microwaves supplied from the microwave module and can be atomized. The microwaves generated by the microwave module generate an electric current in the wall structure of the atomization chamber due to the resonance characteristics of the atomization chamber.

[0153] When an aerosol-generating substrate is located within the atomization chamber, the microwave module is controlled to initiate a sweeping operation within a set frequency range. While the microwave module is performing the sweeping operation, the voltage collection module continuously collects a plurality of feedback voltage values ​​on the wall of the atomization chamber. As can be seen, the plurality of feedback voltage values ​​correspond to a plurality of operating frequencies during the sweeping operation of the microwave module. Therefore, a target frequency within the set frequency range can be obtained by analyzing and processing the plurality of feedback voltage values. The microwave module is then controlled to supply microwaves into the atomization chamber according to the target frequency, thereby heating and atomizing the aerosol-generating substrate within the atomization chamber.

[0154] As can be seen, feedback voltage values ​​are collected during the sweep process, and a target frequency is determined based on the feedback voltage values. setting Within the frequency range atomization chamber The operating frequency is the frequency closest to the resonant frequency of the microwave module, i.e., the optimal frequency point during the operation of the microwave module. By controlling the aerosol generator to supply microwaves into the atomization chamber according to the target frequency, the atomization efficiency of the aerosol-generating substrate in the atomization chamber can be improved.

[0155] In the related art, a circulator for detecting the standing wave ratio is provided in the aerosol generator, which occupies a large space in the aerosol generator and generates heat during operation, reducing the efficiency of the entire system.

[0156] In the present application, a voltage collection module capable of collecting feedback voltage values ​​of the chamber wall of the atomization chamber is provided in the atomization chamber. This allows the controller to identify the energy supply status in the atomization chamber at that time based on the feedback voltage value and determine the resonance frequency of the atomization chamber, which is the optimal frequency point for the microwave module to operate. microwave Controlling the module improves the heating and atomization efficiency of the aerosol generating substrate by the aerosol generator. This ensures the detection accuracy and efficiency of the optimal frequency point of the microwave module, and also eliminates the need to install a separate, large-volume circulator in the atomization chamber, which is advantageous for product miniaturization and reduces production costs. Furthermore, the voltage collection module does not generate a large amount of heat during operation, ensuring the operating efficiency of the aerosol generator.

[0157] In any of the above embodiments, the control device of the aerosol generating device further includes an acquisition module for acquiring a maximum voltage value from the plurality of feedback voltage values.

[0158] The determination module 806 is further used to determine, based on the maximum voltage value, a target frequency within the set frequency range corresponding to the maximum voltage value.

[0159] In this embodiment, while the microwave module performs a sweeping operation, the voltage collection module continues to collect feedback voltage values ​​of the chamber wall of the atomization chamber. The controller records the collected feedback voltage values. When the microwave module completes its sweeping operation, the controller compares the magnitudes of the feedback voltage values ​​and sets the operating frequency corresponding to the maximum voltage value among the feedback voltage values ​​as the target operating frequency.

[0160] As can be understood, when the feedback voltage value is large, it means that the microwave of the frequency at that time supplies a lot of energy into the atomization chamber, so the operating frequency corresponding to the maximum voltage value among the multiple feedback voltage values ​​is setting Therefore, if the microwave module is controlled to operate at the operating frequency corresponding to the maximum feedback voltage value, the microwave module can be operated at the optimal frequency point, improving the efficiency of heating and atomizing the aerosol generating substrate by the aerosol generator.

[0161] In any of the above embodiments, the control module 802 is further used to control the microwave module to begin operation at a first frequency within the set frequency range.

[0162] The control module 802 is further adapted to adjust the operating frequency of the microwave module by the set adjustment value every first set length of time until the operating frequency reaches a second frequency within the set frequency range.

[0163] In this embodiment, the microwave module is controlled to perform a sweep operation within a set frequency range. Specifically, the microwave module is controlled to start operation at a relatively low first frequency within the set frequency range. Then, the microwave module is controlled to adjust the operating frequency to a set adjustment value every time a first set time period elapses until the operating frequency is adjusted to a second frequency within the set frequency range.

[0164] As can be understood, the first frequency can be greater than the second frequency, or the first frequency can be less than the second frequency, i.e., the microwave module can operate in a sweeping operation by increasing the frequency from a low frequency to a high frequency within the set frequency range, or by decreasing the frequency from a high frequency to a low frequency within the set frequency range.

[0165] For example, a microcontroller may be configured to perform a sweep operation within a set frequency range. Wave Mo The frequency sweep control unit controls the power supply voltage. The minimum frequency of the set frequency range is 2.2G, and the maximum frequency is 2.57G. During the sweep operation, the microwave module starts from the minimum frequency. It then controls the microwave module to increase the frequency by 10MHz every 2 milliseconds until it reaches the maximum frequency. Each time the operating frequency is switched, a feedback voltage value is recorded. After the sweep is completed, the operating frequency corresponding to the maximum feedback voltage value is set as the target operating frequency, and the microwave module is controlled to supply microwaves into the atomization chamber according to the target operating frequency.

[0166] In the present application, the operating frequency of the microwave module is controlled to be adjusted to the set adjustment value every time the first set time length elapses, so that the microwave module has a sufficient time length to supply microwaves into the atomization chamber at each operating frequency. This improves the correspondence between multiple feedback voltage values ​​and multiple operating frequencies within the set frequency range, thereby improving the accuracy of obtaining the target frequency.

[0167] In any of the above embodiments, the collection module 804 is further adapted to collect feedback voltage values ​​of the atomization chamber every first set length of time while the microwave module is operating.

[0168] In this embodiment, the feedback voltage value of the atomization chamber is collected once for each first set time length during the sweep operation. Then, the time at which the feedback voltage value is collected is associated with the time at which the operating frequency of the microwave module is adjusted during the sweep operation. This allows for a one-to-one correspondence between the collected feedback voltage values ​​and the operating frequency within the set frequency range. This is convenient for subsequently searching for an accurate target frequency based on the maximum voltage value among the multiple feedback voltage values.

[0169] In any of the above embodiments, the control module 802 is further adapted to return to the step of controlling the microwave module to perform a sweeping operation within the set frequency range when the microwave module has operated according to the target frequency for a second set length of time, and execute the step until receiving a command to stop operation.

[0170] In this embodiment, after determining the target frequency, the microwave module is controlled to operate for a second set time period according to the target frequency, and then the process returns to the step of controlling the microwave module to perform a sweep operation to search for the target frequency again. The aerosol-generating substrate in the aerosol generator is heated and atomized as the microwave module operates, causing changes in the aerosol-generating substrate in the atomization chamber, which in turn changes the resonant frequency of the atomization chamber. Therefore, in this embodiment, the microwave module is controlled to operate for a second set time period according to the target frequency, and then the process returns to the step of searching for the target frequency again, thereby continuously updating the target frequency as the microwave module operates. This ensures that the microwave module in the aerosol generator can operate at an optimal frequency point for a long period of time, thereby improving the atomization efficiency of the aerosol-generating substrate by the aerosol generator. [Example]

[0171] As shown in Figure 9, a fourth embodiment of the present application provides a control device 900 for an aerosol generating device. The control device 900 includes a memory 902 in which a program or instruction is stored, and a processor 904 that executes the program or instruction stored in the memory 902 to implement the steps of the method for controlling an aerosol generating device in any of the above embodiments. Therefore, the control device 900 has all the beneficial technical effects of the method for controlling an aerosol generating device in any of the above embodiments, which will not be described in further detail here. [Example]

[0172] A fifth embodiment of the present application provides a readable storage medium having a program stored therein, which, when executed by a processor, realizes the method for controlling an aerosol generating device according to any one of the above embodiments, thereby achieving all the beneficial technical effects of the method for controlling an aerosol generating device according to any one of the above embodiments.

[0173] The readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk. [Example]

[0174] In a sixth embodiment of the present application, there is provided an aerosol generating device, which includes the aerosol generating device control device of the third embodiment and / or the fourth embodiment and / or the readable storage medium of the fifth embodiment, and thus has all the beneficial technical effects of the aerosol generating device control device and / or the readable storage medium, which will not be described in further detail here.

[0175] The aerosol generator further comprises an atomization chamber, a microwave Module , controller and voltage collection Module The controller includes: atomization chamber The feedback voltage value is collected, and a target frequency is determined based on the feedback voltage value, and the microwave module is controlled to operate according to the target frequency, so that the microwave passes through the microwave amplifier and coupler and is then supplied into the atomization chamber.

[0176] For clarity, in the claims, specification, and drawings of this application, the term "multiple" means two or more than two. Furthermore, unless expressly limited otherwise, the orientations or positional relationships indicated by terms such as "upper," "lower," and the like are based on the illustrations and are intended merely to facilitate the description of this application and simplify the description process. They are not intended to explicitly or implicitly imply that the devices or components in question must have, be configured, or operate in the specific orientations described. Therefore, these descriptions should not be construed as limiting this application. Furthermore, terms such as "connect," "attach," and "fix" should be interpreted broadly. For example, "connect" may refer to a fixed connection between multiple objects, a detachable connection between multiple objects, or an integral connection between multiple objects. Furthermore, it may refer to a direct connection between multiple objects, or an indirect connection between multiple objects via an intermediate medium. Those skilled in the art can interpret the specific meaning of the above terms in this application based on the specific context of the terms.

[0177] In the claims, specification, and drawings of this application, the use of terms such as "one embodiment," "some embodiments," or "specific embodiment" means that the specific features, structures, materials, or characteristics described in combination with that embodiment or example are included in at least one embodiment or example of this application. In the claims, specification, and drawings of this application, general descriptions of the above terms do not necessarily refer to the same embodiment or example. In addition, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

[0178] The above is only a preferred embodiment of the present application and does not limit the present application. Those skilled in the art may have various modifications and variations to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall fall within the scope of protection of the present application. [Explanation of symbols]

[0179] 100 Aerosol Generator 120 Housing 122 Atomization chamber 140 Microwave Module 160 Voltage Acquisition Module 162 Power supply point 164 Filter Module 1642 Diode 1644 filter circuit 180 Controller

Claims

1. An aerosol generating device, comprising: a housing containing an atomization chamber; a microwave module connected to the housing and used to supply microwaves into the atomization chamber; a voltage collecting module provided in the atomization chamber for collecting a feedback voltage value of the atomization chamber; a controller connected to the voltage collection module and used to determine a target operating frequency of the microwave module based on the feedback voltage value; the voltage collection module includes a feed point provided on an inner wall of the housing; and a filter module having a first terminal connected to the feed point and a second terminal connected to the controller; the feed point is spaced apart from a point where the microwave module supplies microwaves; The aerosol generating device, wherein the filter module has a diode that blocks or inhibits current flowing from a filter circuit connected to the controller to the power supply point.

2. The diode has a first terminal connected to the power supply point and a second terminal connected to ground, The filter module comprises: a filter circuit connected to the controller, the filter circuit having a first terminal connected to the first terminal of the diode and a second terminal connected to the second terminal of the diode; 2. The aerosol generating device according to claim 1, wherein the second terminal of the diode is electrically connected to the first terminal.

3. The diode has a first terminal connected to the power supply point, the filter module includes a filter circuit connected to the controller, the filter circuit having a first terminal connected to the second terminal of the diode and a second terminal connected to ground; 2. The aerosol generating device according to claim 1, wherein the diode is electrically connected from the first terminal to the second terminal.

4. 4. The aerosol generating device according to claim 2, wherein the filter circuit includes one or a combination of a capacitor filter circuit, a resistor-capacitor filter circuit, and an inductor-capacitor filter circuit.

5. The feeding point is a through-hole provided in a bottom wall of the atomization chamber, the through-hole having a wall to which the filter module is connected; a conductive ring provided on the inner wall of the atomization chamber, the conductive ring being adjacent to the bottom wall of the atomization chamber and to which the filter module is connected; or 4. The aerosol generating device according to claim 1, further comprising a lead wire having a first terminal connected to the bottom wall of the atomization chamber and a second terminal connected to the filter module.

6. A method for controlling an aerosol generating device, comprising: The aerosol generating device includes a microwave module, an atomization chamber, a housing containing the atomization chamber, a voltage collection module, and a controller used to determine a target operating frequency of the microwave module; the voltage collection module includes a feed point provided on an inner wall of the housing; and a filter module having a first terminal connected to the feed point and a second terminal connected to the controller; the feed point is spaced apart from a point where the microwave module supplies microwaves; the filter module has a diode that blocks or inhibits current from flowing from a filter circuit connected to the controller to the power supply point; The method for controlling the aerosol generating device includes: controlling the microwave module to perform a sweep operation within a set frequency range; collecting a plurality of feedback voltage values ​​of the atomization chamber by the voltage collecting module while the microwave module is performing a sweeping operation; determining a target frequency within the set frequency range based on the plurality of feedback voltage values; and A method for controlling an aerosol generating device, comprising: controlling the microwave module to operate according to the target frequency.

7. Determining the target frequency within the set frequency range based on the feedback voltage value further includes: obtaining a maximum voltage value among the plurality of feedback voltage values; and The method for controlling an aerosol generating device according to claim 6, further comprising determining the target frequency within the set frequency range corresponding to the maximum voltage value based on the maximum voltage value.

8. Controlling the microwave module to perform a sweep operation within the set frequency range includes: controlling the microwave module to begin operation at a first frequency within a set frequency range; and 7. The method of claim 6, further comprising adjusting the operating frequency of the microwave module by a set adjustment value every first set length of time until the operating frequency reaches a second frequency within the set frequency range.

9. collecting a plurality of feedback voltage values ​​of the atomization chamber by the voltage collecting module while the microwave module is performing a sweeping operation, 9. The method for controlling an aerosol generating device according to claim 8, further comprising collecting the feedback voltage value of the atomization chamber every first set time length while the microwave module is operating.

10. After controlling the microwave module to operate in accordance with the target frequency, A method for controlling an aerosol generating device described in any one of claims 6 to 9, which includes, when the microwave module operates according to the target frequency until a second set time length is reached, returning to the step of controlling the microwave module to perform a sweep operation within a set frequency range, and executing this until an operation stop command is received.

11. A control device for an aerosol generating device, The aerosol generating device includes a microwave module, an atomization chamber, a housing containing the atomization chamber, a voltage collection module, and a controller used to determine a target operating frequency of the microwave module; the voltage collection module includes a feed point provided on an inner wall of the housing; and a filter module having a first terminal connected to the feed point and a second terminal connected to the controller; the feed point is spaced apart from a point where the microwave module supplies microwaves; the filter module has a diode that blocks or inhibits current from flowing from a filter circuit connected to the controller to the power supply point; The control device of the aerosol generating device includes: a control module for controlling the microwave module to perform a sweep operation within a set frequency range; a collecting module for collecting a plurality of feedback voltage values ​​of the atomization chamber by the voltage collecting module while the microwave module is performing a sweeping operation; a determination module for determining a target frequency within the set frequency range based on the plurality of feedback voltage values; The control module further includes an aerosol generating device control device used to control the microwave module to operate according to the target frequency.

12. A control device for an aerosol generating device, a memory in which a program or instruction is stored; A control device for an aerosol generating device, comprising: a processor that executes a program or instructions stored in the memory to realize the steps of the control method for an aerosol generating device described in any one of claims 6 to 9.

13. A readable storage medium, A readable storage medium on which a program or instructions are stored, and which, when executed by a processor, realizes the steps of the method for controlling an aerosol generating device described in any one of claims 6 to 9.

14. An aerosol generating device, comprising: An aerosol generating device comprising the aerosol generating device control device according to claim 11.

15. An aerosol generating device, comprising: An aerosol generating device comprising the readable storage medium of claim 13.

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