CN119174524A - Heating control method, aerosol generating device, and readable storage medium - Google Patents
Heating control method, aerosol generating device, and readable storage medium Download PDFInfo
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- CN119174524A CN119174524A CN202310744179.0A CN202310744179A CN119174524A CN 119174524 A CN119174524 A CN 119174524A CN 202310744179 A CN202310744179 A CN 202310744179A CN 119174524 A CN119174524 A CN 119174524A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F47/00—Smokers' requisites not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes
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Abstract
The application relates to a heating control method, an aerosol-generating device and a computer-readable storage medium. The control method is for an aerosol-generating device comprising a support assembly for mounting an aerosol-generating article, a first laser and a second laser, the light-emitting sides of the first and second lasers being directed towards the support assembly. The heating control method comprises the steps of controlling a first laser to emit detection laser light, obtaining a detection feedback signal sent by a second laser, wherein the detection feedback signal is generated when the second laser is irradiated by reflected detection laser light, determining whether an aerosol-generating product is mounted on a support component according to the detection feedback signal, and allowing the first laser and/or the second laser to emit heating laser light to heat the aerosol-generating product under the condition that the aerosol-generating product is mounted on the support component. The heating control method described above determines that the aerosol-generating article is mounted to the support assembly to allow the laser to emit a high power heating laser light.
Description
Technical Field
The present application relates to the technical field of aerosol-generating devices, and more particularly, to a heating control method, an aerosol-generating device, and a computer-readable storage medium.
Background
Currently, some aerosol-generating devices employ laser light to directly irradiate an aerosol-generating article to heat an aerosol-generating substrate within the aerosol-generating article to produce an inhalable aerosol. This heating by means of a laser provides heat to the aerosol-generating substrate by emitting a laser with a higher energy density. However, if the laser is inadvertently activated when the aerosol-generating article is not placed in the location to be heated, the high-energy laser may be irradiated for a long time onto other components of the aerosol-generating device that are not tolerant to laser irradiation, and there may be a safety risk of melting and burning the components, or in a more serious case the high-energy laser may be irradiated to the body of the user in a light path that may be present, with a safety risk.
Disclosure of Invention
Based on this, the present application provides a heating control method, an aerosol-generating device and a computer readable storage medium, which allow the first laser and/or the second laser to emit high-power heating laser light for heating only when it is determined that the aerosol-generating article is mounted on the support component of the aerosol-generating device according to the detection feedback signal generated by the second laser of the aerosol-generating device, so as to avoid damage to other components of the aerosol-generating device or the human body caused by the high-energy laser light.
The control method provided by the application is used for the aerosol-generating device, the aerosol-generating device comprises a support component, a first laser and a second laser, the support component is used for mounting an aerosol-generating product, and the light emergent sides of the first laser and the second laser face the support component. The heating control method comprises the steps of controlling the first laser to emit detection laser light, obtaining a detection feedback signal sent by the second laser, wherein the detection feedback signal is generated when the second laser is irradiated by the reflected detection laser light, determining whether the aerosol-generating article is mounted on the support component according to the detection feedback signal, and allowing the first laser and/or the second laser to emit heating laser light to heat the aerosol-generating article under the condition that the aerosol-generating article is mounted on the support component.
The application provides an aerosol-generating device comprising a support assembly for mounting an aerosol-generating article, a first laser and a second laser, the light-emitting sides of the first and second lasers being directed towards the support assembly. The controller is configured to control the first laser to emit detection laser light at regular intervals, to acquire a detection feedback signal transmitted by the second laser, the detection feedback signal being generated when the second laser is irradiated by the reflected detection laser light, to determine whether the aerosol-generating article is mounted on the support assembly based on the detection feedback signal, and to allow the first laser and/or the second laser to emit heating laser light to heat the aerosol-generating article if the aerosol-generating article is mounted on the support assembly.
The present application also provides a heating control method for an aerosol-generating device comprising a support assembly for mounting an aerosol-generating article, an airflow sensor, a first laser and a second laser, the light-emitting sides of the first and second lasers being directed towards the support assembly. The heating control method comprises the steps of obtaining a suction signal of the airflow sensor, judging whether suction is carried out according to the suction signal, controlling the first laser to emit detection laser when the suction is confirmed to be carried out, obtaining a detection feedback signal sent by the second laser, confirming whether the aerosol-generating product is mounted on the supporting component according to the detection feedback signal, and driving the first laser and/or the second laser to emit heating laser to heat the aerosol-generating product when the aerosol-generating product is mounted on the supporting component.
The present application also provides an aerosol-generating device comprising a support assembly for mounting an aerosol-generating article, an airflow sensor, a first laser, a second laser and a controller, the light-emitting sides of the first and second lasers being directed towards the support assembly. The controller is configured to acquire a suction signal of the airflow sensor, determine whether suction is performed based on the suction signal, control the first laser to emit detection laser light in a case where suction is determined to be performed, acquire a detection feedback signal transmitted by the second laser, determine whether the aerosol-generating article is mounted on the support assembly based on the detection feedback signal, and drive the first laser and/or the second laser to emit heating laser light to heat the aerosol-generating article in a case where the aerosol-generating article is mounted on the support assembly.
A non-transitory computer-readable storage medium containing a computer program according to an embodiment of the present application, when the computer program is executed by one or more processors, causes the processors to implement any one of the heating control methods described above.
In the heating control method, the aerosol-generating device and the computer readable storage medium, when the aerosol-generating article is determined to be mounted on the supporting component of the aerosol-generating device according to the detection feedback signal generated by the second laser of the aerosol-generating device, the first laser and/or the second laser is/are allowed to emit high-power heating laser to heat, so that damage to other components of the aerosol-generating device or a human body caused by the high-energy laser is avoided.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
Fig. 1 is a schematic structural view of an aerosol-generating system according to an embodiment of the present application;
FIG. 2 is a flow chart of a heating control method according to an embodiment of the application;
FIG. 3 is a schematic diagram of an application scenario in an embodiment of the present application;
FIG. 4 is a schematic diagram of an application scenario in an embodiment of the present application;
FIG. 5 is a schematic diagram of a feedback voltage, a first interval and a second interval according to an embodiment of the application;
FIG. 6 is a flow chart of a heating control method according to an embodiment of the application;
FIG. 7 is a flow chart of a heating control method according to an embodiment of the application;
FIG. 8 is a flow chart of a heating control method according to an embodiment of the application;
FIG. 9 is a flow chart of a heating control method according to an embodiment of the application;
FIG. 10 is a schematic diagram of a feedback voltage, a first interval and a second interval according to an embodiment of the application;
fig. 11 is a schematic structural view of an aerosol-generating device in an embodiment of the application;
FIG. 12 is a flow chart of a heating control method according to an embodiment of the application;
FIG. 13 is a schematic diagram illustrating a connection relationship between a computer-readable storage medium and a processor according to some embodiments of the present application.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
An embodiment of the application provides an aerosol-generating device 100 for heating an aerosol-generating substrate to generate an aerosol for use by a user. The heating mode can be convection, conduction, radiation or a combination thereof. The aerosol-generating substrate may be in the form of a liquid, gel, paste or solid, etc. When the aerosol-generating substrate is a solid, it may be a solid in the form of a powder, granulate, stick or tablet. The aerosol-generating substrate includes, but is not limited to, materials for medical, health, wellness, cosmetic purposes, e.g., the aerosol-generating substrate is a medicinal liquid, an oil, or the aerosol-generating substrate is a plant-based material, e.g., a plant root, stem, leaf, flower, bud, seed, etc. That is, embodiments of the present application are not limited to the manner of heating, morphology, use of the aerosol-generating substrate.
Referring to fig. 1, the present application provides an aerosol-generating device 100. The aerosol-generating device 100 comprises a support assembly 10, a first laser 21, a second laser 22 and a controller 30. The support assembly 10 is for mounting an aerosol-generating article 200, the aerosol-generating article 200 having an aerosol-generating substrate contained therein. The light emitting sides of the first and second lasers 21 and 22 are directed toward the support assembly 10, i.e., the laser light paths of the first and second lasers 21 and 22 pass through the support assembly 10. In this way, when the aerosol-generating article 200 is mounted on the support assembly 10, the laser light of the first and second lasers 21, 22 can be irradiated to the aerosol-generating article 200, so that the aerosol-generating substrate within the aerosol-generating article 200 can absorb the energy of the laser light and be heated to generate an aerosol that can be inhaled by the user. The controller 30 is configured to control the first laser 21 and/or the second laser 22 to emit laser light, for example, to control whether the first laser 21 and/or the second laser 22 emit laser light, the emitted laser light power, the frequency of the emitted laser light, the duration of the continuous emission of the laser light, and the like, without limitation. Wherein the controller 30 can independently control the first laser 21 or the second laser 22.
In order to heat the aerosol-generating substrate to a temperature at which an aerosol can be generated, the first and second lasers 21, 22 are required to emit laser light of a higher energy in order for the aerosol-generating substrate to absorb sufficient energy. However, if the first laser 21 and the second laser 22 emit laser light with high energy for a long time to irradiate the support member 10 without the aerosol-generating article 200 being incorporated into the aerosol-generating device 100, the laser light may be irradiated onto a position where the support member 10 does not withstand the laser light irradiation, resulting in damage to the support member 10, and in serious cases, risks of melting and burning of parts may occur, and if a human body inadvertently touches a position irradiated with the high-energy laser light for a long time, the human body may be scalded.
Based on this, the present application provides a heating control method capable of avoiding the initiation of the irradiation of the high-energy laser light by the first laser 21 and the second laser 22 for a long period of time in the case where the aerosol-generating article 200 is not mounted to the support assembly 10, so as to secure the use safety of the aerosol-generating device 100.
Referring to fig. 1 and 2, the heating controller includes:
01 controlling the first laser 21 to emit detection laser light;
02, acquiring a detection feedback signal sent by the second laser 22, wherein the detection feedback signal is used for determining whether the detection laser irradiates the aerosol-generating article 200;
03 determining whether the aerosol-generating article 200 is mounted to the support assembly based on the detection feedback signal, and
04, With the aerosol-generating article 200 mounted to the support assembly 10, allowing the first laser 21 and/or the second laser 22 to emit heating laser light to heat the aerosol-generating article 200.
The controller 30 of the aerosol-generating device 100 may be used to perform the heating control methods in steps 01, 02, 03 and 04 described above. That is, the controller 30 may be configured to perform controlling the first laser 21 to emit the detection laser light, obtaining a detection feedback signal transmitted by the second laser 22, the detection feedback signal being used to determine whether the detection laser light is irradiated to the aerosol-generating article 200, determining whether the aerosol-generating article 200 is mounted to the support assembly based on the detection feedback signal, and allowing the first laser 21 and/or the second laser 22 to emit the heating laser light to heat the aerosol-generating article 200 if the aerosol-generating article 200 is mounted to the support assembly 10.
The first laser 21 emits the detection laser light, and it may be set such that the first laser 21 periodically emits the detection laser light. For example, the first laser 21 emits the detection laser light once every predetermined time interval.
The detection laser is a laser having energy smaller than that of the heating laser, and the controller 30 may control the energy of each detection laser by controlling the power, the emission frequency, the duration of emission, and the like of the detection laser. The energy of the detection laser may be set based on the material of the support assembly 10 to avoid degradation of the lifetime of the support assembly 10 by exposure to the detection laser.
As shown in fig. 1 and 3, when the aerosol-generating article 200 is not mounted on the aerosol-generating device 100, the position where the laser light emitted from the first laser 21 irradiates the aerosol-generating article 200 is set as the irradiated position 121. When the irradiated position 121 is irradiated with the detection laser light emitted from the first laser 21, the reflected detection laser light can be irradiated to the second laser 22, so that the second laser 22 generates a corresponding detection feedback signal.
As shown in fig. 1 and 4, in the case where the aerosol-generating article 200 is mounted to the support assembly 10 of the aerosol-generating device 100, the aerosol-generating article 200 shields the irradiated site 121 of the support assembly 10, resulting in the detection laser light not being irradiated to the irradiated site 121 but to the aerosol-generating article 200. In the case where the detection laser light can be irradiated to the aerosol-generating article 200, the returned detection laser light can be irradiated to the second laser 22 as well, however, the detection feedback signal generated correspondingly is different based on the difference in the material of the irradiated portion 121 and the material of the aerosol-generating article 200, the difference in the optical path length of the detection laser light reflected to the second laser 22 after the irradiation of the detection laser light to the irradiated portion 121, and the optical path length of the detection laser light reflected to the second laser 22 after the irradiation of the detection laser light to the aerosol-generating article 200, and for example, the detection feedback signal generated correspondingly by the second laser when the aerosol-generating article 200 is not mounted or mounted on the support member 10 may be distinguished based on the intensity, frequency, or other parameters of the detection feedback signal. In this manner, it may be determined from the detection feedback signal whether the aerosol-generating article 200 is mounted to the support assembly 10.
With the aerosol-generating article 200 mounted to the support assembly 10, the controller 30 allows the first laser 21 and/or the second laser 22 to emit heating laser light to heat an aerosol-generating substrate within the aerosol-generating article 200 with the heating laser light emitted by the first laser 21 and the second laser 22 such that the aerosol-generating substrate absorbs energy of the heating laser light to generate an aerosol. For example, in the case of the aerosol-generating article 200 being mounted to the support assembly 10, only the first laser 21 may be activated to emit heating laser light, only the second laser 22 may be activated to emit heating laser light, both the first laser 21 and the second laser 22 may be activated to emit heating laser light, and both the first laser 21 and the second laser 22 may be alternately activated to emit heating laser light, without limitation.
Accordingly, in the event that the aerosol-generating article 200 is not mounted to the support assembly 10, the controller 30 does not allow the first laser 21 and/or the second laser 22 to emit heating laser light to avoid the heating laser light from directly irradiating the support assembly 10 for a prolonged period of time to create a safety hazard.
In one embodiment, the first laser 21 emits the detection laser at regular intervals of a preset interval. The interval time for the first laser 21 to emit the detection laser light at fixed time may be set according to the irradiation time for the heating laser light to continuously irradiate the support member 10, which may cause a safety problem. For example, if the heating laser continuously irradiates the support assembly 10 for more than 5 seconds, which may create a safety hazard, the interval time for the first laser 21 to periodically emit the detection laser may be set to a time less than 5 seconds, for example, once every 4 seconds. The detection laser may be configured as a lower power, shorter pulse width laser to avoid damaging the irradiated portion 121 of the support assembly 10 due to the excessive energy of the detection laser.
In yet another embodiment, the controller 30 may control the first laser 21 to emit the detection laser light at preset intervals according to the operation state of the aerosol-generating device 100. Wherein the operational state of the aerosol-generating device 100 characterizes whether the aerosol-generating device 100 is used or not. As such, the controller 30 may control the first laser 21 to start emitting the detection laser light in case the aerosol-generating device 100 is used, and accordingly, not activate the first laser 21 in case the aerosol-generating device 100 is not used, to save power consumption.
For example, the aerosol-generating device 100 comprises a gyroscope for detecting the movement pose of the aerosol-generating device 100, from which the aerosol-generating device 100 may be judged to be in a stationary state but also in a moving state, possibly due to the action of mounting the aerosol-generating article 200 on the support assembly 10, if the aerosol-generating device 100 is in a moving state. Then the controller 30 controls the first laser 21 to start emitting the detection laser light at preset intervals in case the aerosol-generating device 100 is in a moving state. Among other things, the aerosol-generating device 100 may further comprise an angular velocity sensor, an accelerometer, etc. for detecting motion gestures, without limitation.
As another example, the aerosol-generating device 100 includes a dust cap and a detection unit, and the case where the dust cap is opened is often the case where the aerosol-generating device 100 is used, so the detection unit may send an activation instruction to the controller 30 when the dust cap is opened, and the controller may control the first laser 21 to emit the detection laser light at preset intervals based on the activation instruction.
Referring to fig. 1, in some embodiments, the controller 30 includes a micro control unit MCU (Microcontroller Unit, MCU). The micro control unit MCU has good compatibility with various sensors and low cost, which is advantageous for reducing the cost of the aerosol-generating device 100.
Referring to fig. 1, in some embodiments, the support assembly 10 includes a support base 11 and a support sidewall 12, and the support sidewall 12 is connected to the support base 11. The support seat 11 is capable of providing support for the aerosol-generating article 200 in case the aerosol-generating article 200 is loaded into the aerosol-generating device 100. The support side wall 12 may play a certain role in fixing the aerosol-generating article 200, preventing the aerosol-generating article 200 from tilting, and the support side wall 12 may also block the laser light, protecting the other aerosol-generating device 100 from laser light.
In some embodiments, the support sidewall 12 comprises opposite sides, one of which is provided with a light-transmitting portion 122 enabling the laser light emitted by the first and second lasers 21, 22 to pass through the light-transmitting portion 122 into the support assembly 10, and the other side is provided with an irradiated location 121, to which the laser light emitted by the first and second lasers 21, 22 will be irradiated in case the aerosol-generating article 200 is not loaded into the aerosol-generating device 100. In one embodiment, irradiated sites 121 are formed of a high temperature resistant opaque material to avoid laser leakage and to avoid damage to irradiated sites 121 from prolonged exposure to laser light.
Referring to fig. 1, in some embodiments, a first laser 21 may be composed of a laser emitting element, or a plurality of laser heating elements connected in series or parallel, which is not limited herein. The number of first lasers 21 may be one or more, for example, the number of first lasers 21 may be 1, 2, 3 or more, without limitation. In the case where the number of the first lasers 21 is plural, the control of the first lasers 21 in step 01 may be to control some of the first lasers 21 in the plural first lasers 21 to emit the detection laser light, or may be to control each of the first lasers 21 to emit the detection laser light, which is not limited herein. Similarly, in step 03, the first lasers 21 are operated to emit heating laser light, and it is possible to allow some of the first lasers 21 among the plurality of first lasers 21 to emit heating laser light, or to allow each of the first lasers 21 to emit heating laser light, which is not limited herein.
The second laser 22 may be the same laser as the first laser 21 or a different laser, without limitation. In one embodiment, the second laser 22 is the same laser as the first laser 21, so that the heating performance of the first laser 21 and the second laser 22 have better consistency when the heating laser is emitted for heating. The second laser 22 may be the same as the first laser 21, and the second laser 22 may perform the operation of the first laser 21, for example, by emitting the detection laser light by the second laser 22, and the first laser 21 may perform the operation of the second laser 22, for example, by generating a photo-generated electromotive force by the first laser 21 after receiving the detection laser light reflected from the object, and detecting the photo-generated electromotive force generated by the first laser 21 to obtain the detection feedback signal. In one embodiment, the aerosol-generating device 100 comprises a plurality of identical lasers, wherein the laser operable to emit detection laser light is a first laser 21 and the laser operable to be subjected to detection of photo-generated electromotive force to provide a detection feedback signal is a second laser 22.
Similar to the first lasers 21, the number of the second lasers 22 may be one or more, for example, the number of the second lasers 22 may be 1, 2,3 or more, without limitation.
In some embodiments, the output power of the first laser 21 and the second laser 22 may range from [3W,30W ], e.g., the output power may be 3W, 5W, 8W, 10W, 12W, 14W, 16W, 18W, 20W, 24W, 28W, 30W, etc., not specifically recited herein. In this way, the laser is able to rapidly heat the aerosol-generating substrate to a temperature at which an aerosol can be generated.
In some embodiments, the detection laser is a short pulse laser, the heating laser is a long pulse laser, and the pulse width of the long pulse laser is greater than the pulse width of the short pulse laser. In this way, the long pulse laser is used when heating the aerosol-generating substrate, which enables the aerosol-generating substrate to absorb a large amount of energy in a short time to rapidly generate aerosol, and the short pulse laser is used when detecting whether the aerosol-generating article 200 is loaded into the aerosol-generating device 100, so as to avoid the irradiation of the support assembly 10 with the laser having too high energy, and prevent the occurrence of safety hazards due to overheating of the support assembly 10.
In one embodiment, the long pulse laser has a wavelength range of [750nm,950nm ], for example, a wavelength of 750nm、760nm、770nm、780nm、790nm、800nm、810nm、820nm、830nm、840nm、850nm、860nm、870nm、880nm、890nm、900nm、910nm、920nm、930nm、940nm、950nm, etc., without limitation. In this way, rapid heating of the aerosol-generating substrate to a temperature at which an aerosol can be generated is facilitated.
Referring to fig. 3 and 4, in some embodiments, the second laser 22 is a semiconductor laser, and is in an unexcited state when the second laser 22 is not energized, and if irradiated by laser light, a photo-generated electromotive force is generated due to a photoelectric effect, and the detection feedback signal in step 02 may be feedback obtained by detecting the photo-generated electromotive force of the second laser 22, for example, the feedback may be represented as a voltage signal, such as the feedback voltage illustrated in fig. 5. The magnitude of the voltage signal corresponding to the photo-generated electromotive force is related to the intensity of the laser light irradiated by the second laser 22, and the laser light irradiated by the second laser 22 is the detection laser light reflected by the object, and the factors such as the material, shape, position from the second laser 22, and the like of the object irradiated by the detection laser light are related to the intensity of the laser light irradiated by the second laser 22, so that the intensity of the reflected laser light differs when the irradiated position 121 or the aerosol-generating article 200 is detected, and the photo-generated electromotive force generated by the reflected laser light irradiated by the second laser 22 differs, and the obtained detection feedback signal also differs, so that it is possible to determine whether the detection laser light is irradiated to the aerosol-generating article 200 or not based on the detection feedback signal. In this way, the second laser 22 can be used as a heating device to emit heating laser light for heating the aerosol-generating substrate, and can be used as a sensor to obtain a detection feedback signal for detecting the laser light irradiation object, so that the aerosol-generating apparatus 100 does not need to additionally provide a sensor to detect whether the aerosol-generating article 200 is at the position to be heated, so that cost can be saved.
The following further describes embodiments using the second laser 22 as a sensor for obtaining a detection feedback signal.
In some embodiments, taking the example that the detection feedback signal is a feedback voltage, in order to obtain the feedback voltage, during a period when the first laser 21 emits the detection laser, the second laser 22 is kept in an unexcited state, so as to be capable of correspondingly generating the feedback voltage, so as to avoid that the second laser 22 is in an excited state and cannot generate the feedback voltage.
Referring to fig. 5, in one embodiment, the period of time for the first laser 21 to emit the detection laser starts to emit from the detection laser until the reflected detection laser is reflected to the second laser 22 to generate the feedback voltage, until the total period of time for the generated feedback voltage to disappear, so as to ensure that after one detection laser is emitted, the second laser 22 can generate the feedback voltage in response to the reflected light of the detection laser emitted again. For example, the first laser 21 emits the detection laser light once every time T1 is set, and the total period of time during which the feedback voltage of the period T1 of fig. 5 is continued (the time during which the detection laser light starts to emit until the second laser 22 receives the reflected detection laser light is short, neglected) takes the period T1 as the period during which the first laser 21 emits the detection laser light.
Referring to fig. 1, in some embodiments, the aerosol-generating device 100 further comprises a battery 50, the battery 50 being used to power the first laser 21 and/or the second laser 22. In some embodiments, the controller 30 is electrically connected to the battery 50, and the controller 30 is capable of controlling the on-off state of the battery 50 with the first laser 21 and/or the second laser 22. With the controller 30 controlling the second laser 22 in the unexcited state, the second laser 22 is in the unexcited state.
Referring to fig. 6, in some embodiments, the heating control method further includes:
05, in the case where the aerosol-generating article 200 is not mounted to the support assembly 10, limiting the energy of the laser light output by the first laser 21 and the second laser 22.
Referring to fig. 1, in some embodiments, the controller 30 may also be configured to perform the method of step 05. That is, the controller 30 may also be used to limit the energy of the laser light output by the first and second lasers 21, 22 in the event that the aerosol-generating article 200 is not mounted to the support assembly 10.
In one aspect, limiting the energy of the laser light output by the first laser 21 and the second laser 22 includes limiting the energy of the laser light output by the first laser 21 and the second laser 22 to within a preset energy range. Wherein the energy of the detection laser light emitted by the first laser 21 is within a preset energy range, and the heating laser light output by the first laser 21 and/or the second laser 22 is higher than the maximum value of the preset energy range. The predetermined energy range may be set according to the material of the irradiated portion 121 of the support assembly 10, so as to prevent the irradiated portion 121 from being damaged by the irradiation of the high-energy laser for a long period of time.
On the other hand, limiting the energy of the first laser 21 and the second laser 22 to output the laser light also includes not allowing the first laser 21 and/or the second laser 22 to output the laser light. For example, the second laser 22 cannot output laser light in an unexcited state in which it is not energized, but may function as a sensor that receives the detection laser light and generates a detection feedback signal. Placing the second laser 22 in an unexcited state also serves to limit the energy of the laser light output by the second laser 22.
Referring to fig. 7, in certain embodiments, step 03 of determining whether the aerosol-generating article 200 is mounted to the support assembly 11 based on the detection feedback signal comprises:
021 determining that the aerosol-generating article 200 is mounted to the support assembly 10 if the feedback signal is detected within the first interval, and
022, Determining that the aerosol-generating article 200 is not mounted to the support assembly 10, in the event that the detection feedback signal is within a second interval, the ranges of the first and second intervals not overlapping.
Referring to fig. 1, in some embodiments, the controller 30 may also be configured to perform the methods of steps 021 and 022. That is, the controller 30 may also be configured to determine that the aerosol-generating article 200 is mounted to the support assembly 10 if the detection feedback signal is within a first interval, and to determine that the aerosol-generating article 200 is not mounted to the support assembly 10 if the detection feedback signal is within a second interval.
Referring to fig. 5, in some embodiments, the second laser 22 generates a photo-generated electromotive force when irradiated by the reflected detection laser, and the controller 30 can detect the photo-generated electromotive force generated by the second laser 22 to obtain a feedback voltage, and the feedback voltage is used as a detection feedback signal. In other embodiments, the feedback current may be obtained based on the photo-generated electromotive force generated by the second laser 22, and the feedback current is used as the feedback signal for detection, which is not limited herein.
Taking the example that the detection feedback signal is a feedback voltage, the first section corresponds to the first voltage section (Vth 1, vth 2) shown in fig. 5, and the second section corresponds to the second voltage section (Vth 3, vth 4) shown in fig. 5. In a different situation where the aerosol-generating article 200 is mounted to the aerosol-generating device 100 than the aerosol-generating device 100, the feedback voltage value generated by the second laser 22 is correspondingly different, so that it is possible to determine whether the detection laser irradiates the aerosol-generating article 200 according to the feedback voltage generated by the second laser 22 to determine whether the aerosol-generating article 200 is mounted to the support assembly 10.
As shown in fig. 5, the first section is a voltage range section in which the second laser 22 can detect when the detection laser light detected in advance is reflected by the aerosol-generating article 200 and then reflected by the second laser 22. If the aerosol-generating article 200 is mounted on the support assembly 10, the detection laser light is emitted by the first laser 21, and then reflected to the second laser 22 after being irradiated onto the aerosol-generating article 200, the feedback voltage of the second laser 22 should be within the first interval. Thus, in case the feedback voltage is within the first interval, it can be determined that the aerosol-generating article 200 is mounted to the support assembly 10.
Similarly, the second interval is a voltage range interval in which the second laser 22 corresponds to a detectable voltage in the case where the detection laser light detected in advance is reflected to the second laser 22 after being irradiated to the irradiated position 121 of the support member 10. If the aerosol-generating article 200 is not mounted on the support assembly 10, the detection laser light is reflected to the second laser 22 after being irradiated to the irradiated site 121 in the case where the first laser 21 emits the detection laser light, and then the feedback voltage of the second laser 22 should be within the second interval. Therefore, when the first laser 21 emits the detection laser light, the second laser 22 generates the feedback voltage, and the feedback voltage is not in the first section, but in the second section, it is explained that the detection laser light irradiates not the aerosol-generating article 200 but the irradiated position 121, and it is possible to determine that the aerosol-generating article 200 is mounted on the support assembly 10.
As shown in fig. 5, if a jump of the feedback voltage from the first interval (Vth 1, vth 2) to the second interval (Vth 3, vth 4) is detected in a certain period, that is, the aerosol-generating article 200 is changed from the state of not being mounted on the support member 10 to the state of being mounted on the support member 10, it means that the aerosol-generating article 100 is inserted into the support member 10 during the jump period.
In one embodiment, the act of inserting the aerosol-generating article 200 may be used as a heat activation signal. For example, in the case where the feedback voltage jumps from the first interval to the second interval, the controller 30 controls the first laser 21 and/or the second laser 22 to emit heating laser light according to the heating start signal, taking the feedback voltage signal of the first second interval (e.g., the signal S1 of fig. 5) as the heating start signal, and heating the aerosol-generating article 200 in time.
The first section and the second section are not overlapped, so that the feedback voltage is not in the first section and the second section, and it cannot be determined whether the detection laser irradiates the aerosol-generating article 200 or the irradiated position 121. The intensity of the reflected laser light may be regulated by adjusting the shell material of the aerosol-generating article 200, the material of the irradiated spot 121, providing a coating, adjusting the distance between the irradiated spot 121 and the first laser 21, adjusting the power of the detection laser light, etc. to ensure that the first and second zones do not overlap. As shown in fig. 5, for example, the range of the first section is (Vth 1, vth 2) and the range of the second section is (Vth 3, vth 4), and the first section and the second section may be misaligned as long as Vth1> Vth4 or Vth3> Vth2 are set.
If the second laser 22 generates a feedback voltage, but the feedback voltage is neither in the first interval nor in the second interval, it is explained that the detection laser irradiates not the aerosol-generating article 200 nor the irradiated site 121 of the support assembly 10. It is possible that foreign matter is present within the support assembly 10 such that the laser irradiation cannot irradiate the irradiation spot 121 or the aerosol-generating article 200. In this case, the heating laser light emitted from the first laser 21 and the second laser 22 may be irradiated to the foreign matter, and if the foreign matter is ignited, a safety hazard may be generated. And therefore should not allow the first laser 21 and the second laser 22 to emit heating laser light.
Based on this, referring to fig. 8, in some embodiments, the heating control method further includes:
06, sending out a prompt signal to prompt that foreign matters exist in the supporting component 10 under the condition that the detection feedback signal is outside the first interval and outside the second interval.
Referring to fig. 1, in some embodiments, the controller 30 may also be configured to perform the method in step 06. That is, the controller 30 may be further configured to send a prompt signal to prompt the presence of a foreign object in the support assembly 10 when the feedback signal is detected to be outside the first interval and outside the second interval.
In some embodiments, the alert signal includes one or more combinations of light-emitting alert, audible alert, text and/or pattern alert, and the like, without limitation. For example, the aerosol-generating device 100 further comprises a warning light, please refer to fig. 6, taking the example of detecting that the feedback signal is a feedback voltage, the warning light flashing if the feedback voltage is outside the first interval and outside the second interval. For another example, the aerosol-generating device 100 further comprises a buzzer that sounds if the feedback voltage is outside the first interval and outside the second interval.
Further, the controller 30 may be configured to not allow the first laser 21 and the second laser 22 to emit heating laser light in the case that the detection feedback signal is outside the first interval and outside the second interval, so as to avoid ignition of the foreign matter.
Referring to fig. 9, in some embodiments, the heating control method further includes:
071 controlling the first laser 21 to switch to output the detection light at a timing when the first laser 21 and/or the second laser 22 emit heating laser light;
072, acquiring an in-situ feedback signal sent by the second laser 22, wherein the in-situ feedback signal is generated when the second laser 22 is irradiated by reflected detection light;
073 determining whether the aerosol-generating article 200 is detached from the support assembly 10 based on the in-situ feedback signal, and
074 In the event that the aerosol-generating article 200 is detached from the support assembly 10, limiting the energy of the laser light output by the first laser 21 and/or the second laser 22 and switching off the high energy consuming components of the aerosol-generating device 100.
Referring to fig. 1, in some embodiments, the controller 30 may also be configured to perform the methods of steps 071, 072, 073, and 074 described above. That is, the controller 30 may also be configured to control the switching of the first laser 21 to output the detection light at regular time in case the first laser 21 and/or the second laser 22 emit the heating laser light, to obtain an in-situ feedback signal transmitted by the second laser 22, which is generated when the second laser 22 is irradiated with the reflected detection light, to determine whether the aerosol-generating article 200 is detached from the support assembly 10 based on the in-situ feedback signal, and to limit the energy of the output laser light of the first laser 21 and/or the second laser 22 in case the aerosol-generating article 200 is detached from the support assembly 10, and to shut down the high energy consuming components of the aerosol-generating device 100.
The detection light may be laser light having the same or different energy from the detection laser light, and the detection light has energy smaller than that of the heating laser light. The same principle as the second laser 22 receives the reflected detection laser light to generate the detection feedback signal. An in-situ feedback signal can be generated in the event that the second laser 22 receives the detection light, and a determination can be made as to whether the aerosol-generating article 200 is detached from the support assembly 10 based on the interval in which the in-situ feedback signal is located.
When the first laser 21 is switched from outputting the heating laser light to outputting the detection light, the second laser 22 is correspondingly switched to the unexcited state, so that the second laser 22 can generate the bit feedback signal.
Referring to fig. 10, for example, when the aerosol-generating article 200 is determined to be mounted on the support member 10 with the bit feedback signal in the first interval (Vth 1, vth 2), and when the aerosol-generating article 200 is determined to have been detached from the support member 10 with the bit feedback signal in the second interval (Vth 3, vth 4), the third interval and the fourth interval do not overlap.
As shown in fig. 5, if a jump of the feedback voltage from the second interval (Vth 3, vth 4) to the first interval (Vth 1, vth 2) is detected in a certain period, that is, the aerosol-generating article 200 is changed from the state of being mounted on the support member 10 to the state of not being mounted on the support member 10, it means that the aerosol-generating article 100 has been pulled out of the support member 10 during the jump, that is, the aerosol-generating article 200 has been detached from the support member 10.
If it is determined that the aerosol-generating article 200 is detached from the support assembly 10, the energy of the laser light output by the first laser 21 and/or the second laser 22 is limited, in a manner that the energy of the laser light output by the first laser 21 and the second laser 22 is limited to a preset energy range, or the laser light output by the first laser 21 and/or the second laser 22 is not allowed. To avoid damage to the support assembly 10 caused by long-term irradiation of the support assembly 10 with high-energy laser light. Furthermore, in case the aerosol-generating article 200 is detached from the support assembly 10, the high energy consuming components of the aerosol-generating device 100 are turned off to enable energy savings.
In one embodiment, the act of extracting the aerosol-generating article 200 may be used as a heating end signal. For example, when the feedback voltage jumps from the second interval to the first interval, the controller 30 limits the energy of the output laser light of the first laser 21 and/or the second laser 22 according to the heating end signal using the feedback voltage signal (e.g., the signal S2 in fig. 10) of the first interval as the heating end signal.
If it is determined that the aerosol-generating article 200 is not detached from the support assembly 10, i.e. that the aerosol-generating article 200 is still mounted to the support assembly 10, the energy of the laser light output by the first laser 21 and/or the second laser 22 is not limited. The energy of the laser light output by the first laser 21 and/or the second laser 22 is not limited, meaning that the first laser 21 and/or the second laser 22 is allowed to output the laser light with a default or preset energy, for example, the first laser 21 and/or the second laser 22 is allowed to emit heating laser light. For example, in case it is determined that the aerosol-generating article 200 is not detached from the support assembly 10, the first laser 21 and/or the second laser 22 may be switched back to emit heating laser light if the heating cycle has not yet ended.
Referring to fig. 11, the present application also provides an aerosol-generating device 300. Referring to fig. 1 and 10 in combination, the aerosol-generating device 300 shown in fig. 10 differs from the aerosol-generating device 100 shown in fig. 1 only in that it further comprises an airflow sensor 70, which is not described in detail herein. Upon inhalation by the user, the airflow sensor 70 generates an inhalation signal for instructing the aerosol-generating device 300 to heat the aerosol-generating article 200.
The aerosol-generating device 300 of the present application comprises a first usage mode and a second usage mode, which the user can switch usage modes as desired. The first mode of use is a continuous heating mode in which the controller 30 stops heating after a fixed period of time after receiving the suction signal and heating the aerosol-generating substrate. The second use mode is a suction-stop-at-time mode, that is, a mode in which heating is started correspondingly when the user performs suction and heating is stopped correspondingly when the user stops suction. Referring to fig. 12, the present application further provides a heating control method, which is applicable to the second usage mode (i.e. the pull-stop mode), and the heating control method includes the following steps:
101, acquiring a suction signal of the airflow sensor 70;
102, judging whether suction is performed according to the suction signal;
103, in the case of determining that suction is performed, controlling the first laser 21 to emit detection laser light;
104, acquiring a detection feedback signal sent by the second laser 22;
105 determining whether the aerosol-generating article 200 is mounted to the support assembly 10 based on the detection feedback signal, and
106, With the aerosol-generating article 200 mounted on the support assembly 10, the first laser 21 and/or the second laser 22 are driven to emit heating laser light to heat the aerosol-generating article 200.
Because laser heating has the characteristic of concentrated energy, the effect close to 'pumping-immediately stopping' can be realized, namely, after the user performs pumping for a plurality of times (less than the maximum pumping times which can be performed by the aerosol generating substrate), the laser heating is stopped, and the aerosol generating substrate can be continuously used in the next heating without being carbonized by the residual heat in the heating. Since the present use distance may be separated from the next use by a period of time, the aerosol-generating article 200 containing the aerosol-generating substrate may be pulled out during the interval of time, in the second use mode, after detecting the suction signal, steps 103 to 106 are further performed to determine that the aerosol-generating article 200 is mounted on the support assembly 10, and heating is restarted, so as to improve safety. If it is determined that the aerosol-generating article 200 is not mounted to the support assembly 10, a low power consumption mode is entered.
The controller 30 of the aerosol-generating device 300 may be used to perform the heating control methods in steps 101, 102, 103, 104, 105 and 106 described above. That is, the controller 30 may be configured to perform acquiring the suction signal of the airflow sensor 70, determining whether suction is performed based on the suction signal, controlling the first laser 21 to emit the detection laser light at regular time in case that suction is determined to be performed, acquiring the detection feedback signal transmitted by the second laser 22, determining whether the aerosol-generating article 200 is mounted on the support assembly 10 based on the detection feedback signal, and driving the first laser 21 and/or the second laser 22 to emit the heating laser light to heat the aerosol-generating article 200 in case that the aerosol-generating article 200 is mounted on the support assembly 10.
Referring to fig. 1 and 12, steps 103, 104, 105 and 106 of fig. 12 are similar to steps 01, 02, 03 and 04 of fig. 1, respectively, except that:
First, step 103 increases the precondition for the first laser 21 to emit the detection laser light at a timing compared to step 01. That is, according to step 101 and step 102, the suction signal of the airflow sensor 70 is obtained, and whether suction is performed is determined according to the suction signal, step 103 controls the first laser 21 to emit detection laser at regular time only when it is determined that suction is performed, and accordingly, in the case that suction is not performed, the current application scenario does not need to generate aerosol by using the aerosol generating device 300 for the user to suck, that is, does not need to start the laser heating function of the aerosol generating device 300, and does not need to perform subsequent step 104, step 105 and step 106, that is, does not consume power to start the first laser 21 to generate detection laser, and does not start the first laser 21 and/or the second laser 22 to emit heating laser, so that energy consumption can be saved.
In one embodiment, whether suction is performed may be determined based on whether the suction signal is within a preset suction detection interval. For example, taking the example that the pumping signal is a voltage signal, the pumping detection interval is a voltage interval, if the pumping voltage signal is within a preset pumping detection interval, pumping may be determined to be performed, otherwise pumping is determined not to be performed.
Second, step 106 in comparison to step 04, if it is determined that the aerosol-generating article 200 is mounted to the support assembly 10, then, necessarily with suction being in progress, the first laser 21 and/or the second laser 22 may be driven to emit heating laser light to heat the aerosol-generating article 200 in step 106. For step 04, in case it is determined that the aerosol-generating article 200 is mounted on the support assembly 10, only the first laser 21 and/or the second laser 22 is allowed to emit heating laser light to heat the aerosol-generating article 200, the first laser 21 and/or the second laser 22 may be driven in combination with the driving signal to emit heating laser light to heat the aerosol-generating article 200 on the basis of allowing the first laser 21 and/or the second laser 22 to emit heating laser light to heat the aerosol-generating article 200. For example, the driving signal may be a signal generated according to a heating instruction input by a user, and in the case where the driving signal is not received, the first laser 21 and/or the second laser 22 may not emit laser light even if the first laser 21 and/or the second laser 22 is in a state allowing the emission of heating laser light to avoid heating when the user does not need to perform suction, and in the case where the driving signal is received, the first laser 21 and/or the second laser 22 is in a state not allowing the emission of heating laser light, the first laser 21 and/or the second laser 22 may not emit laser light to avoid heating due to the false triggering of the driving signal by the user in the case where the aerosol-generating article is not mounted on the support assembly 10.
Referring to fig. 1, the present application provides an aerosol-generating system 1000, the aerosol-generating system 1000 comprising an aerosol-generating article 200 and an aerosol-generating device 100 according to any of the embodiments described above, the aerosol-generating device 100 being for heating an aerosol-generating substrate contained in the aerosol-generating article 200.
Referring to fig. 13, one or more non-transitory computer-readable storage media 400 embodying a computer program 401, which when executed by one or more processors 402, causes the processors 402 to perform the heating control method of any of the embodiments described above, are provided in embodiments of the application.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. Also, other implementations may be derived from the above-described embodiments, such that structural and logical substitutions and changes may be made without departing from the scope of this disclosure.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310744179.0A CN119174524A (en) | 2023-06-21 | 2023-06-21 | Heating control method, aerosol generating device, and readable storage medium |
| PCT/CN2024/094553 WO2024260201A1 (en) | 2023-06-21 | 2024-05-21 | Heating control method, aerosol generation device and readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310744179.0A CN119174524A (en) | 2023-06-21 | 2023-06-21 | Heating control method, aerosol generating device, and readable storage medium |
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| CN119174524A true CN119174524A (en) | 2024-12-24 |
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| RU2756717C2 (en) * | 2017-04-05 | 2021-10-04 | Филип Моррис Продактс С.А. | Current collector for use with inductively heated aerosol generating device or aerosol generating system |
| US12471638B2 (en) * | 2019-04-02 | 2025-11-18 | Philip Morris Products S.A. | Aerosol-generating device with article position detector |
| CN110432548B (en) * | 2019-06-12 | 2024-09-10 | 深圳市合元科技有限公司 | Aerosol Generating System |
| CN115670030A (en) * | 2021-07-29 | 2023-02-03 | 深圳麦克韦尔科技有限公司 | Aerosol generating device, control method, control device, and readable storage medium |
| CN218650299U (en) * | 2022-11-30 | 2023-03-21 | 深圳麦时科技有限公司 | Rotating assembly and electronic atomization device |
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