Aerosol generating device, control method thereof, and control device

Abstract

The present application relates to an aerosol generating device, a control method thereof, and a control device thereof. The aerosol generating device includes a power supply unit (110), a control unit (120), a first electromagnetic heating circuit (130), and a second electromagnetic heating circuit (140), the first electromagnetic heating circuit (130) forming a first accommodating space, the second electromagnetic heating circuit (140) forming a second accommodating space, the first electromagnetic heating circuit (130) being used to heat an atomization substrate in the first accommodating space, and the second electromagnetic heating circuit (140) being used to heat an atomization substrate in the second accommodating space, and the power supply unit (110) connecting the first electromagnetic heating circuit (130) and the second electromagnetic heating circuit (140) to heat an atomization substrate in the second accommodating space. The control unit (120) is used to supply energy to the magnetic heating circuit (140), and the control unit (120) is used to control the amount of energy supplied from the power supply unit (110) to the first electromagnetic heating circuit (130) and the second electromagnetic heating circuit (140) so that when the first electromagnetic heating circuit (130) operates at a first power, the second electromagnetic heating circuit (140) operates at a second power, or when the second electromagnetic heating circuit (140) operates at the first power, the first electromagnetic heating circuit (130) operates at the second power, where the first power and the second power are not equal.

Description

Related Applications

[0001] This application claims priority from a Chinese patent application bearing application number 202310091736.3 and entitled "Aerosol generating apparatus, control method thereof, and control device," filed with the State Intellectual Property Office of the People's Republic of China on January 16, 2023, the entire contents of which are incorporated herein by reference. [Technical Field]

[0002] The present application relates to the field of atomization devices, and more particularly to an aerosol generating device and a control method and device thereof. [Background technology]

[0003] The operating principle of the aerosol generating device is mainly to heat the atomization substrate by atomization in a heating non-combustion manner, so that the components of the atomization substrate are atomized and volatilized, and then inhaled by the user, thereby achieving a smoking experience.

[0004] Conventional heating technologies include electromagnetic heating using a circumferential heating method, in which the atomization substrate is housed within a tubular metal heating element, which generates heat through induction by an alternating magnetic field from a coil, heating the atomization substrate through thermal conduction. Depending on the length of the atomization substrate, the atomization substrate can be heated in a single section or in two sections. For example, patent application number CN109843097A discloses a two-section electromagnetic heating method, in which two induction coils are independently controlled, and when one induction coil is operating normally, the other coil is deactivated. This method is prone to interference between the two induction coils, resulting in large temperature fluctuations and poor temperature control. Summary of the Invention

[0005] Based on this, in order to address the above technical issues, it is necessary to provide an aerosol generating device capable of reducing temperature fluctuations, a control method thereof, and a control device thereof.

[0006] In a first aspect, the present application provides an aerosol generating device, the aerosol generating device comprising: The device includes a power supply unit, a control unit, a first electromagnetic heating circuit, and a second electromagnetic heating circuit, the first electromagnetic heating circuit forming a first accommodating space, the second electromagnetic heating circuit forming a second accommodating space, the first electromagnetic heating circuit being used to heat the atomization substrate in the first accommodating space, and the second electromagnetic heating circuit being used to heat the atomization substrate in the second accommodating space; the power supply unit is used to supply energy to the first electromagnetic heating circuit and the second electromagnetic heating circuit; The control unit is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the first power and the second power are not equal.

[0007] In one embodiment, the first power is equal to or greater than a minimum power for normal atomization of the atomization substrate in the aerosol generating device, and the second power is less than the minimum power and greater than zero.

[0008] In one embodiment, when the first electromagnetic heating circuit or the second electromagnetic heating circuit operates with a first power, the temperature of the first accommodating space or the second accommodating space reaches a first target temperature, and when the first electromagnetic heating circuit or the second electromagnetic heating circuit operates with a second power, the temperature of the first accommodating space or the second accommodating space is maintained at a second target temperature or within a predetermined temperature range, and the second target temperature belongs to the predetermined temperature range.

[0009] In one embodiment, the control unit a first switch, a second switch, and a processor; a first end of the first switch is connected to the power supply unit, a second end of the first switch is connected to the first electromagnetic heating circuit, and an enable end of the first switch is connected to the processor; A first end of the second switch is connected to the power supply unit, a second end of the second switch is connected to the second electromagnetic heating circuit, and an enable end of the second switch is connected to the processor.

[0010] In one embodiment, the processor is used to control the conduction times of the first switch and the second switch so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, and the conduction time of the first switch or the second switch corresponding to the first power is longer than the conduction time of the second switch or the first switch corresponding to the second power.

[0011] In one embodiment, the first electromagnetic heating circuit includes a first capacitor and a first coil, and the second electromagnetic heating circuit includes a second capacitor and a second coil; the first capacitor is connected in parallel with the first coil, one end of the first capacitor is connected to the power supply unit, and the other end is grounded via the first switch, and an enable end of the first switch is connected to the processor; The second capacitor is connected in parallel with the second coil, one end of the second capacitor is connected to the power supply unit, the other end is grounded via the second switch, and the enable end of the second switch is connected to the processor.

[0012] In one embodiment, the winding direction of the coil of the first electromagnetic heating circuit and the winding direction of the coil of the second electromagnetic heating circuit are the same.

[0013] In one embodiment, the winding directions of the coils of the first electromagnetic heating circuit and the coils of the second electromagnetic heating circuit are opposite to each other.

[0014] In one embodiment, the second power is used to maintain the current temperature state of the atomization substrate.

[0015] In a second aspect, the present application further provides a method for controlling the temperature of an aerosol generating device, said method comprising: The method includes controlling the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at the second power, wherein the first power and the second power are not equal.

[0016] In a third aspect, the present application further provides a control device for an aerosol generating device, the control device comprising: a control unit; The control unit is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, where the first power and the second power are not equal.

[0017] In the above-mentioned aerosol generating device, its control method, and control device, the aerosol generating device includes a power supply unit, a control unit, a first electromagnetic heating circuit, and a second electromagnetic heating circuit, wherein the first electromagnetic heating circuit forms a first accommodating space, the second electromagnetic heating circuit forms a second accommodating space, the first electromagnetic heating circuit is used to heat an atomization substrate in the first accommodating space, and the second electromagnetic heating circuit is used to heat an atomization substrate in the second accommodating space, the power supply unit is used to supply energy to the first electromagnetic heating circuit and the second electromagnetic heating circuit, and the control unit is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the first power and the second power are not equal. According to the above aspect, the present application provides a method for achieving a desired inhalation effect by separately controlling and simultaneously operating two electromagnetic heating circuits, one operating at a first power and the other at a second power, i.e., one region of the atomization substrate is heated at a high power while the other region is maintained at a low power, thereby enabling more precise control of the atomization substrate temperature within a predetermined temperature range and achieving the desired inhalation effect. Meanwhile, because the second power maintains the current temperature of the atomization substrate, the temperature fluctuation of the atomization substrate is small throughout the heating process, allowing the target temperature to be reached at a relatively low first power, which is beneficial for precise temperature control and reduces power loss, thereby reducing the overall power consumption of the system.

[0018] In order to more clearly describe the technical solutions in the embodiments of the present application or related technologies, the following briefly introduces the drawings that need to be used in the description of the embodiments or related technologies. Obviously, the drawings described below are only a part of the embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without any creative work. [Brief explanation of the drawings]

[0019] [Figure 1] 1 is a schematic diagram of the component structure of an aerosol generating device in one embodiment of the present application. [Figure 2] FIG. 2 is a schematic diagram of the component structure of an aerosol generating device in another embodiment of the present application. [Figure 3] 1 is a schematic structural diagram of an aerosol generating device according to an embodiment of the present application. [Figure 4] 3 is a schematic diagram of voltage waveforms at point A of a first electromagnetic heating circuit and point B of a second electromagnetic heating circuit in one embodiment of the present application. FIG. [Figure 5] FIG. 2 is a schematic structural diagram of an aerosol generating device according to another embodiment of the present application. [Figure 6] 1 is a schematic flowchart of a method for controlling an aerosol generating device according to an embodiment of the present application. [Figure 7] FIG. 1 is a schematic diagram of the component structure of a control device of an aerosol generating device in one embodiment of the present application. DETAILED DESCRIPTION OF THE INVENTION

[0020] In order to make the above-mentioned objects, features, and advantages of the present application clearer and easier to understand, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are set forth to facilitate a complete understanding of the present application. However, the present application can be implemented in various ways other than those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present application. Therefore, the present application is not limited to the specific examples disclosed below.

[0021] When terms such as "center," "upper," "lower," "inner," "outer," "axial," and "radial" are used in the description of this application, it should be understood that the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, is for the convenience and simplification of the description of this application, and does not suggest or imply that the referred-to device or element must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of this application.

[0022] In this application, unless otherwise specified or limited, when terms such as "connected" and "fixed" are used, these terms should be understood in a broad sense. For example, there are various connection methods, such as fixed connection, detachable connection, integral connection, mechanical connection, electrical connection, direct connection, indirect connection via an intermediate medium, internal communication between two elements, or an interactive relationship between two elements, unless clearly limited. Those skilled in the art can understand the specific meanings of the above terms in this application depending on the specific situation.

[0023] It should be noted that when an element is described as being "fixed" to another element, the element may be directly connected to the other element or may have intervening elements. When an element is described as being "connected" to another element, the element may be directly connected to the other element or may have intervening elements. Terms such as "upper," "lower," and similar expressions used herein are for descriptive purposes only and do not represent the only embodiment.

[0024] In one embodiment of the present application, an aerosol generating device is provided, as shown in FIG. 1, comprising: The device includes a power supply unit 110, a control unit 120, a first electromagnetic heating circuit 130, and a second electromagnetic heating circuit 140. The electromagnetic heating circuits (i.e., the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140) in this embodiment include, but are not limited to, an LC series resonant circuit, an LC parallel resonant circuit, a single-pipe parallel resonant circuit, a half-bridge series resonant circuit, a full-bridge series resonant circuit, a class E power amplifier resonant circuit, etc. The first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 each have an accommodation space (not shown). Specifically, the first electromagnetic heating circuit 130 has a first accommodation space, and the second electromagnetic heating circuit 140 has a second accommodation space. These two accommodation spaces are used to accommodate the atomization substrate. The first electromagnetic heating circuit 130 is used to heat the atomization substrate in the first accommodation space, and the second electromagnetic heating circuit 140 is used to heat the atomization substrate in the second accommodation space. The atomization substrate in the first and second accommodating spaces is the same atomization substrate, i.e., part of the atomization substrate is disposed in the first accommodating space, and the other part is disposed in the second accommodating space. For example, the control unit 120 is connected to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140, respectively, and is also connected to the power supply unit 110.

[0025] The power supply unit 110 is used to supply energy to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140. Similarly, the power supply unit 110 also supplies energy to the control unit 120 so that the control unit 120, the first electromagnetic heating circuit 130, and the second electromagnetic heating circuit 140 can operate normally. In response to the received energy, the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 heat the atomization substrate passing through the accommodation space of the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 to form an aerosol that is inhaled by the user.

[0026] The control unit 120 is used to control the amount of energy supplied from the power supply unit 110 to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140, such that when the first electromagnetic heating circuit 130 operates at a first power, the second electromagnetic heating circuit 140 operates at a second power, or when the second electromagnetic heating circuit 140 operates at the first power, the first electromagnetic heating circuit 130 operates at the second power, where the first power and the second power are not equal.

[0027] Specifically, during the control process, the control unit 120 can control the amount of energy supplied from the power supply unit 110 to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140, so that the first electromagnetic heating circuit 130 operates at a first power and the second electromagnetic heating circuit 140 operates at a second power, or when the second electromagnetic heating circuit 140 operates at the first power, the first electromagnetic heating circuit 130 operates at the second power. Note that the control unit 120 may also control the first electromagnetic heating circuit 130 or the second electromagnetic heating circuit 140 to operate individually.

[0028] For the aerosol generating device to operate normally, i.e., to atomize the atomization substrate normally, it is understood that the operating power of either the first electromagnetic heating circuit 130 or the second electromagnetic heating circuit 140 must be equal to or greater than the minimum atomization power of the atomization substrate, i.e., one of the first and second powers must be equal to or greater than the minimum atomization power of the atomization substrate. Here, the minimum atomization power refers to the operating power of the heating circuit corresponding to the lowest temperature at which the atomization substrate can be normally atomized. The minimum atomization power for the corresponding atomization substrate varies depending on the atomization substrate. Here, the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 each include a heating element and a coil. The heating element is made of a material that can be induced by a changing electromagnetic field and generate an induced eddy current. A temperature sensor capable of measuring temperature is disposed on the surface of the heating element to measure the temperature at a corresponding position on the heating element. The heating element is positioned within the varying electromagnetic field generated by the coil and is divided into at least two main heating zones by the position of the coil, each of which can heat a different portion of the atomization substrate.

[0029] Furthermore, to avoid the two heating circuits operating at high power simultaneously (i.e., operating at a power greater than the minimum atomization power of the atomization substrate), which would result in excessive power consumption for the entire aerosol generating device, a simultaneous heating method is adopted, and the two sections of the electromagnetic heating circuit are controlled to appropriate temperatures, thereby improving the consistency of the inhalation effect before and after. In this embodiment, the first power is equal to or greater than the minimum power required for normal atomization of the atomization substrate in the aerosol generating device, and the second power is less than the minimum power and greater than 0; or the second power is equal to or greater than the minimum power required for normal atomization of the atomization substrate in the aerosol generating device, and the first power is less than the minimum power and greater than 0. That is, one of the first power and the second power is equal to or greater than the minimum atomization power of the atomization substrate, and the other is less than the minimum atomization power of the atomization substrate and operates at a lower power.

[0030] It is understood that the sum of the first power and the second power is equal to or less than the maximum output power of the power supply unit 110.

[0031] The aerosol generating device includes a power supply unit, a control unit, a first electromagnetic heating circuit, and a second electromagnetic heating circuit, wherein the first electromagnetic heating circuit forms a first accommodating space, the second electromagnetic heating circuit forms a second accommodating space, the first electromagnetic heating circuit is used to heat an atomization substrate in the first accommodating space, and the second electromagnetic heating circuit is used to heat an atomization substrate in the second accommodating space, the power supply unit is used to supply energy to the first electromagnetic heating circuit and the second electromagnetic heating circuit, and the control unit is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the first power and the second power are not equal. As described above, the present application proposes a system for achieving a desired inhalation effect by separately controlling and simultaneously operating two electromagnetic heating circuits, one operating at a first power and the other at a second power, i.e., one region of the atomization substrate is heated at a high power while the other region is maintained at a low power, thereby enabling more precise control of the atomization substrate temperature within a predetermined temperature range and achieving the desired inhalation effect. Meanwhile, because the second power maintains the current temperature of the atomization substrate, the temperature fluctuation of the atomization substrate is small throughout the heating process, allowing the target temperature to be reached at a relatively low first power. This facilitates precise temperature control and reduces power loss, thereby reducing the overall power consumption of the system.

[0032] In one exemplary embodiment, as shown in FIG. 2, the control unit 120 The heating element includes a first switch 121, a second switch 122, and a processor 123. A first end of the first switch 121 is connected to the power supply unit 110, a second end of the first switch 121 is connected to the first electromagnetic heating circuit 130, and an enable end of the first switch 121 is connected to the processor 123. A first end of the second switch 122 is connected to the power supply unit 110, a second end of the second switch 122 is connected to the second electromagnetic heating circuit 140, and an enable end of the second switch 122 is connected to the processor 123.

[0033] In this embodiment, the first switch 121 and the second switch 122 may be MOS tubes, or may be other types of switches in specific implementations. The control unit 120 is connected to the enable terminals of the first switch 121 and the second switch 122, and the control unit 120 controls the on / off of the first switch 121 and the second switch 122 to realize a period during which the power supply unit 110 is connected to the first electromagnetic heating circuit 130 via the first switch 121 and a period during which the power supply unit 110 is connected to the second electromagnetic heating circuit 140 via the second switch 122 within a unit period, thereby realizing control of the energy received by the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 within a unit period, i.e., control of the operating power of the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140. Specifically, the on / off time of the first switch 121 is controlled to control the first electromagnetic heating circuit 130 to operate at a first power, and the on / off time of the second switch 122 is controlled to control the second electromagnetic heating circuit 140 to operate at a second power, or the on / off time of the second switch 122 is controlled to control the second electromagnetic heating circuit 140 to operate at the first power, and the on / off time of the first switch 121 is controlled to control the first electromagnetic heating circuit 130 to operate at the second power. When the first electromagnetic heating circuit 130 operates at a first power, the conduction time of the corresponding first switch 121 is longer than the conduction time of the second switch 122, or when the second electromagnetic heating circuit 140 operates at a first power, the conduction time of the corresponding second switch 122 is longer than the conduction time of the first switch 121, thereby controlling the first power to be greater than the second power.

[0034] 3 , the first electromagnetic heating circuit 130 includes a first capacitor 131 and a first coil 132, and the second electromagnetic heating circuit 140 includes a second capacitor 141 and a second coil 142. The first capacitor 131 is connected in parallel with the first coil 132, one end of the first capacitor 131 is connected to the power supply unit 110, and the other end is grounded via a first switch 121, and the enable end of the first switch 121 is connected to the processor 123. The second capacitor 141 is connected in parallel with the second coil 142, one end of the second capacitor 141 is connected to the power supply unit 110, and the other end is grounded via a second switch 122, and the enable end of the second switch 122 is connected to the processor.

[0035] Specifically, in this embodiment, the first coil 132 and the second coil 142 have the same winding direction, i.e., the first coil 132 and the second coil 142 are wound in the same way around the tubular heating element, and the tubular heating element has a receiving space for inserting the atomization substrate. During operation, the processor 123 controls the on / off of the first switch 121, and when the current output from the power supply unit 110 passes through the first coil 132 and the first capacitor 131, the first coil 132 starts operating. At the same time, the processor 123 controls the on / off of the second switch 122, and when the current output from the power supply unit 110 passes through the second coil 142 and the second capacitor 141, the second electromagnetic heating circuit 140 also starts operating. The processor 123 controls the conduction times of the first switch 121 and the second switch 122 to be different, thereby controlling the energy flowing from the power supply unit 110 to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 to be different, thereby controlling the operating power of the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140.

[0036] When a relatively large current flows through the first coil 132 serving as the main heater, an induced electromotive force in the opposite direction is induced across the second coil 142. At this time, the processor 123 controls the current flowing through the second coil 142 so that it flows in the same direction as the current flowing through the first coil 132, and controls the current flowing through the second coil 142 to be smaller than the current flowing through the first coil 132, thereby driving the second coil 142 and keeping the second portion of the heating element warm and heating it with less power.

[0037] When a relatively large current flows through the second coil 142 serving as a main heater, an induced electromotive force in the opposite direction is induced across the first coil 132. At this time, the control circuit for the first coil 132 controls the current flowing through the first coil 132 to be in the same direction as the current flowing through the second coil 142, and controls the current flowing through the first coil 132 to be smaller than the current flowing through the second coil 142, thereby driving the first coil 132 and keeping the first portion of the heating element warm and heating it with less power.

[0038] For example, as shown in FIG. 4, FIG. 4 is a schematic diagram showing the voltages at point A of the first electromagnetic heating circuit and point B of the second electromagnetic heating circuit during operation. Specifically, from time T1 to time T2, the heating power of the first electromagnetic heating circuit 130 is a first power. The voltage at one end of the first electromagnetic heating circuit 130 connected to the first switch 121 (corresponding to point A in the figure) begins to rise (i.e., the voltage across the capacitor rises). After reaching a maximum voltage corresponding to the first power, the voltage decreases from the maximum voltage to a predetermined valley value. This process is repeated, causing the magnetic field in the first electromagnetic heating circuit 130 to change continuously. The changing magnetic field generates a changing eddy current, which heats the atomized substrate, causing the temperature in the corresponding first receiving space to reach a first target temperature. Note that the first target temperature may or may not be a fixed value, as long as the atomized substrate is reliably atomized. The heating power of the second electromagnetic heating circuit 140 is the second power, and the voltage at point B of the second electromagnetic heating circuit 140 also begins to increase, reaches a maximum voltage corresponding to the second power, and then decreases, and this process is repeated, causing the magnetic field in the second electromagnetic heating circuit 140 to change continuously. The changing magnetic field generates changing eddy currents, which heat the atomization substrate and maintain the temperature of the corresponding second containing space at a second target temperature, which is the current temperature of the atomization substrate or within a predetermined range of the current temperature.

[0039] During the period from T2 to T3, the heating power of the second electromagnetic heating circuit 140 is a first power, and the voltage at point B of the second electromagnetic heating circuit 140 continuously increases and decreases, repeating this cycle, causing the internal magnetic field to continuously change. The changing magnetic field generates a changing eddy current, which heats the atomization substrate, causing the temperature in the corresponding second accommodating space to reach the first target temperature. Similarly, during the period from T2 to T3, the heating power of the first electromagnetic heating circuit 130 is a second power, and the voltage at point A continuously increases and decreases, repeating this cycle, following the same process as above. Note that the atomization substrates corresponding to the first and second accommodating spaces correspond to their respective temperature curves, and when heated with the first power, the temperature is controlled to reach the first temperature on the corresponding temperature curve. During the period from T2 to T3, the heating power of the first electromagnetic heating circuit 130 is the second power, and the voltage at one end of the first electromagnetic heating circuit 130 connected to the second switch (corresponding to point A in FIG. 3) decreases from the maximum voltage value corresponding to the first power and then increases to the maximum voltage value corresponding to the second power. This process is repeated, causing the magnetic field in the first electromagnetic heating circuit 130 to change continuously. The changing magnetic field generates changing eddy currents, which heat the atomization substrate and maintain the temperature of the corresponding first accommodating space at the second target temperature. Note that the second target temperature is the current temperature on the temperature curves corresponding to the atomization substrate corresponding to the first accommodating space and the second accommodating space.

[0040] 5, the first electromagnetic heating circuit 130 includes a first capacitor 131 and a first coil 132, and the second electromagnetic heating circuit 140 includes a second capacitor 141 and a second coil 142. The first capacitor 131 is connected in parallel with the first coil 132, one end of the first capacitor 131 is connected to the power supply unit 110, and the other end is grounded via a first switch 121, and the enable end of the first switch 121 is connected to the processor 123. The second capacitor 141 is connected in parallel with the second coil 142, one end of the second capacitor 141 is connected to the power supply unit 110, and the other end is grounded via a second switch 122, and the enable end of the second switch 122 is connected to the processor.

[0041] Specifically, in this embodiment, the winding directions of the first coil 132 and the second coil 142 are reversed, i.e., the first coil 132 and the second coil 142 are wound in opposite directions around the tubular heating element, and the tubular heating element is provided with a receiving space for inserting the atomization substrate. During operation, the processor 123 controls the on / off of the first switch 121, and when the current output from the power supply unit 110 passes through the first coil 132 and the first capacitor 131, the first coil 132 starts operating. At the same time, the processor 123 controls the on / off of the second switch 122, and when the current output from the power supply unit 110 passes through the second coil 142 and the second capacitor 141, the second electromagnetic heating circuit 140 also starts operating. The processor 123 controls the conduction times of the first switch 121 and the second switch 122 to be different, thereby controlling the energy supplied from the power supply unit 110 to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 to be different, thereby controlling the operating power of the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140.

[0042] When a relatively large current flows through the first coil 132 serving as the main heater, an induced electromotive force in the opposite direction is induced across the second coil 142. At this time, the processor 123 controls the current flowing through the second coil 142 to be in the opposite direction to the current flowing through the first coil 132, and controls the current flowing through the second coil 142 to be smaller than the current flowing through the first coil 132, thereby driving the second coil 142 and keeping the second portion of the heating element warm and heating it with less power.

[0043] When a relatively large current flows through the second coil 142 serving as a main heater, an induced electromotive force in the opposite direction is induced across the first coil 132. At this time, the control circuit for the first coil 132 controls the current flowing through the first coil 132 to be in the opposite direction to the current flowing through the second coil 142, and controls the current flowing through the first coil 132 to be smaller than the current flowing through the second coil 142, thereby driving the first coil 132 and keeping the first portion of the heating element warm and heating it with less power.

[0044] Based on the same inventive concept, the present application also provides a control method applicable to the above-mentioned aerosol generating device. Since the embodiments for solving the problems provided by this method are similar to those described for the above-mentioned aerosol generating device, the specific limitations of the control method for one or more aerosol generating devices described below may refer to the limitations of the above-mentioned aerosol generating device, and will not be repeated here.

[0045] In one embodiment, as shown in FIG. 6 , the present application provides a method for controlling an aerosol generating device, and based on the above-mentioned embodiment, the method includes: Step S610: Controlling the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit, so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the first power and the second power are not equal.

[0046] Specifically, the present application can be applied to the control unit described in any of the above embodiments, and the control unit 120 can control the amount of energy supplied from the power supply unit 110 to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 so that the first electromagnetic heating circuit 130 operates at a first power and the second electromagnetic heating circuit 140 operates at a second power, or so that the first electromagnetic heating circuit 130 operates at the second power when the second electromagnetic heating circuit 140 operates at the first power. Note that the control unit 120 can also individually control and operate the first electromagnetic heating circuit 130 or the second electromagnetic heating circuit 140.

[0047] For the aerosol generating device to operate normally, i.e., to atomize the atomization substrate normally, the operating power of either the first electromagnetic heating circuit 130 or the second electromagnetic heating circuit 140 must be equal to or greater than the minimum atomization power of the atomization substrate. The minimum atomization power refers to the operating power of the heating circuit corresponding to the lowest temperature at which the atomization substrate can be atomized normally. The minimum atomization power for a corresponding atomization substrate varies depending on the atomization substrate. Both the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 include a heating element and a coil. The heating element is made of a material that can sense a changing electromagnetic field and generate induced eddy currents. A temperature sensor capable of measuring temperature is disposed on the surface of the heating element to measure the temperature at a corresponding position on the heating element. The heating element is disposed within the changing electromagnetic field generated by the coil and is divided into at least two main heating zones by the position of the coil. The two main heating zones can be individually heated and controlled by the coil.

[0048] By adopting a method of simultaneously heating two sections and controlling the two sections of the electromagnetic heating circuit to appropriate temperatures respectively, the consistency of the inhalation effect can be improved before and after. In this embodiment, the first power is equal to or greater than the minimum power required for normal atomization of the atomized substrate in the aerosol generating device, and the second power is less than the minimum power and greater than 0; or the second power is equal to or greater than the minimum power required for normal atomization of the atomized substrate in the aerosol generating device, and the first power is less than the minimum power and greater than 0. That is, one of the first power and the second power is equal to or greater than the minimum atomization power required for the atomized substrate, and the other is less than the minimum atomization power required for the atomized substrate, and operates at a lower power.

[0049] The control method for the aerosol generating device described above controls two electromagnetic heating circuits separately and simultaneously, with one circuit operating at a first power and the other at a second power, i.e., one region of the atomization substrate is heated at a high power while the other region is maintained at a low power, thereby enabling more precise control of the atomization substrate temperature within a predetermined temperature range and achieving the desired inhalation effect. Meanwhile, the ability to maintain the current temperature of the atomization substrate using the second power minimizes temperature fluctuations throughout the heating process, allowing the target temperature to be reached at a relatively low first power. This facilitates precise temperature control and minimizes power loss, thereby reducing the overall power consumption of the system.

[0050] Here, the first power is equal to or greater than the minimum power required for normal atomization of the atomized substrate in the aerosol generating device, and the second power is less than the minimum power and greater than 0, and the received operating instruction is to heat the atomized substrate at the position of the first electromagnetic heating circuit; or the second power is equal to or greater than the minimum power required for normal atomization of the atomized substrate in the aerosol generating device, and the first power is less than the minimum power and greater than 0, and the received operating instruction is to heat the atomized substrate at the position of the second electromagnetic heating circuit.

[0051] Specifically, when applied to the aerosol generating device shown in Figure 2, the processor 123 controls the on / off of the first switch 121 and the second switch 122 to realize a period during which the power supply unit 110 is connected to the first electromagnetic heating circuit 130 via the first switch 121 and a period during which the power supply unit 110 is connected to the second electromagnetic heating circuit 140 via the second switch 122 within a unit period, thereby realizing control of the energy received by the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 within a unit period, i.e., control of the operating power of the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140.

[0052] When applied to the aerosol generating device shown in Figure 3 or 5, the processor 123 controls the first switch 121 to be on, causing the current output from the power supply unit to pass through the first coil 132 and the first capacitor 131, and the first electromagnetic heating circuit 130 to start operating. At the same time, the second switch 122 is controlled to be on, causing the current output from the power supply unit 110 to pass through the second coil 142 and the second capacitor 141, and the second electromagnetic heating circuit 140 also starts operating. The processor 123 controls the first switch 121 and the second switch 122 to have different conduction times, thereby controlling the energy supplied from the power supply unit 110 to the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140 to be different, and thereby controls the operating power of the first electromagnetic heating circuit 130 and the second electromagnetic heating circuit 140.

[0053] Although the steps in the flowcharts relating to the above-described embodiments are shown in the order indicated by the arrows, it should be understood that these steps are not necessarily performed in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and these steps may be performed in other orders. Furthermore, at least some of the steps in the flowcharts relating to the above-described embodiments may include multiple steps or multiple stages, and these steps or stages do not necessarily have to be performed simultaneously but may be performed at different times. Furthermore, the order in which these steps or stages are performed is not necessarily sequential, and they may be performed in order or alternating with other steps or at least some of the steps or stages in other steps.

[0054] Based on the same inventive concept, the present application also provides a control device for an aerosol generating device for implementing the above-mentioned control method for an aerosol generating device. The embodiments for solving the problems provided by this control device are similar to the embodiments described in the above-mentioned control method for an aerosol generating device. Therefore, specific limitations of one or more of the following examples of the control device for an aerosol generating device may refer to the limitations of the above-mentioned control method for an aerosol generating device, and will not be repeated here.

[0055] In one embodiment, as shown in FIG. 7, a control device for an aerosol generating device is provided, the control device comprising a control unit 710: The control unit 710 is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit, such that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, where the first power and the second power are not equal.

[0056] Each component of the temperature control device of the aerosol generating device can be realized in whole or in part by software, hardware, or a combination thereof. Each component may be integrated into a processor in a computer device in the form of hardware, or may be independent of the processor, or may be stored in a memory in a computer device in the form of software so that the processor can call and execute the operations corresponding to each component.

[0057] In one embodiment, a computer-readable storage medium having a computer program stored thereon is provided, which, when executed by a processor, performs the steps of any of the embodiments of the above-described method for controlling an aerosol generating device.

[0058] Those skilled in the art will understand that all or part of the processes in the methods of the above-described embodiments can be implemented by instructing relevant hardware via a computer program. The computer program can be stored in a non-volatile computer-readable storage medium, and when the computer program is executed, the processes of the above-described method embodiments can be included in the computer program. Herein, references to memory, databases, or other media used in the embodiments provided herein may include at least one of non-volatile memory and volatile memory. Non-volatile memory includes read-only memory (ROM), magnetic tape, floppy disks, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory includes random access memory (RAM) or external cache memory, etc. For example, and not by way of limitation, RAM may take various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). Databases associated with the embodiments provided herein may include at least one of relational and non-relational databases. Non-relational databases include, but are not limited to, distributed databases based on blockchain. Processors associated with the embodiments provided herein may be, but are not limited to, general-purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, and the like.

[0059] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features of the above embodiments are listed, but as long as there is no contradiction in the combinations of these technical features, they are deemed to be included within the scope of this specification.

[0060] The above examples merely represent some embodiments of the present application, and although the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent of the present application. It should be noted that a person skilled in the art can make some modifications and improvements without departing from the concept of the present application, and they all fall within the scope of protection of the present application. Therefore, the scope of protection of the present application should be determined by the scope of the attached claims.

Claims

1. An aerosol generating device, comprising: The device includes a power supply unit, a control unit, a first electromagnetic heating circuit, and a second electromagnetic heating circuit, the first electromagnetic heating circuit forming a first accommodating space, the second electromagnetic heating circuit forming a second accommodating space, the first electromagnetic heating circuit being used to heat an atomization substrate in the first accommodating space, and the second electromagnetic heating circuit being used to heat an atomization substrate in the second accommodating space; the power supply unit is used to supply energy to the first electromagnetic heating circuit and the second electromagnetic heating circuit; The control unit is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the first power and the second power are not equal.

2. 2. The aerosol generating device of claim 1, wherein the first power is equal to or greater than a minimum power for normal atomization of the atomization substrate in the aerosol generating device, and the second power is less than the minimum power and greater than 0.

3. 2. The aerosol generating device of claim 1, wherein when the first electromagnetic heating circuit or the second electromagnetic heating circuit operates with a first power, the temperature of the first accommodating space or the second accommodating space reaches a first target temperature, and when the first electromagnetic heating circuit or the second electromagnetic heating circuit operates with a second power, the temperature of the first accommodating space or the second accommodating space is maintained at a second target temperature or within a predetermined temperature range, and the second target temperature belongs to the predetermined temperature range.

4. The control unit a first switch, a second switch, and a processor; a first end of the first switch is connected to the power supply unit, a second end of the first switch is connected to the first electromagnetic heating circuit, and an enable end of the first switch is connected to the processor; The aerosol generating device of claim 1, wherein a first end of the second switch is connected to the power supply unit, a second end of the second switch is connected to the second electromagnetic heating circuit, and an enable end of the second switch is connected to the processor.

5. The aerosol generating device of claim 4, wherein the processor is used to control the conduction time of the first switch and the second switch so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the conduction time of the first switch or the second switch corresponding to the first power is longer than the conduction time of the second switch or the first switch corresponding to the second power.

6. the first electromagnetic heating circuit includes a first capacitor and a first coil, and the second electromagnetic heating circuit includes a second capacitor and a second coil; the first capacitor is connected in parallel with the first coil, one end of the first capacitor is connected to the power supply unit, and the other end is grounded via the first switch, and an enable end of the first switch is connected to the processor; The aerosol generating device described in claim 1, wherein the second capacitor is connected in parallel with the second coil, one end of the second capacitor is connected to the power supply unit, the other end is grounded via the second switch, and the enable end of the second switch is connected to the processor.

7. The aerosol generating device according to claim 1 , wherein the coils of the first electromagnetic heating circuit and the coils of the second electromagnetic heating circuit have the same winding direction.

8. 2. The aerosol generating device according to claim 1, wherein the winding directions of the coils of the first electromagnetic heating circuit and the coils of the second electromagnetic heating circuit are opposite to each other.

9. The aerosol generating device of claim 1 , wherein the second power is used to maintain a current temperature state of the atomization substrate.

10. A method for controlling an aerosol generating device, comprising: A method for controlling an aerosol generating device, comprising controlling the amount of energy supplied from a power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at the second power, wherein the first power and the second power are not equal.

11. A control device for an aerosol generating device, the control device comprising: a control unit; A control device for an aerosol generating device, wherein the control unit is used to control the amount of energy supplied from the power supply unit to the first electromagnetic heating circuit and the second electromagnetic heating circuit so that when the first electromagnetic heating circuit operates at a first power, the second electromagnetic heating circuit operates at a second power, or when the second electromagnetic heating circuit operates at the first power, the first electromagnetic heating circuit operates at a second power, wherein the first power and the second power are not equal.

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