CN117322686A - Aerosol generating method, apparatus, computer program product, and storage medium - Google Patents
Aerosol generating method, apparatus, computer program product, and storage medium Download PDFInfo
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- CN117322686A CN117322686A CN202210736648.XA CN202210736648A CN117322686A CN 117322686 A CN117322686 A CN 117322686A CN 202210736648 A CN202210736648 A CN 202210736648A CN 117322686 A CN117322686 A CN 117322686A
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- 239000000443 aerosol Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004590 computer program Methods 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 335
- 238000001514 detection method Methods 0.000 claims description 30
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 35
- 239000007789 gas Substances 0.000 abstract description 11
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- A24F40/20—Devices using solid inhalable precursors
-
- 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
-
- 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
- A24F40/57—Temperature control
Abstract
The invention discloses an aerosol generating method, a device, a computer program product and a storage medium, wherein the aerosol generating method comprises the following steps: in the first stage, heating control is carried out on the first heating body so as to enable the temperature of the first heating body to rise to a first temperature and then fall to a second temperature; and heating the second heating element to raise the temperature of the second heating element to a third temperature; in the second stage, heating control is performed on the second heating element so as to enable the temperature of the second heating element to rise to a fourth temperature; and heating the first heating body to control the temperature of the first heating body to be reduced to a fifth temperature. By implementing the technical scheme of the invention, the aerosol forming substrate can be fully preheated; and the aerosol forming substrate is not baked at excessively high temperature, thereby inhibiting the generation of miscellaneous gases and burnt smell. Meanwhile, the aerosol forming substrate of the second part can be baked in advance, so that the second part can generate aerosol in the second stage.
Description
Technical Field
The present invention relates to the field of atomizing devices, and more particularly to an aerosol generating method, apparatus, computer program product and storage medium.
Background
When the aerosol generated by the aerosol generating device is consumed by a human, the amplitude of the heating temperature fluctuations during heating can affect the variation of the aerosol former carrying nicotine and (in some cases) flavourant.
The temperature control scheme adopted by the existing aerosol generating device is that the temperature of an aerosol forming substrate is maintained until the period of time is ended after the temperature of the aerosol forming substrate is increased to the operating temperature, however, the scheme has the defects that the operating temperature is not well determined, if the operating temperature is too high, the taste and the aerosol quality are better in the front suction time, but the impurity gas is easily increased in the rear suction time due to excessive baking; if the operation temperature is too low, the aerosol is thin or even not due to insufficient baking in the previous period of suction time, and the mouthfeel is poor.
Disclosure of Invention
The invention aims to solve the technical problem that the operation temperature is not well determined in the prior art.
The technical scheme adopted for solving the technical problems is as follows: a method of aerosol generation is configured, comprising:
In the first stage, heating and controlling the first heating body so as to enable the temperature of the first heating body to rise to a first temperature and then fall to a second temperature; and heating the second heating element to raise the temperature of the second heating element to a third temperature, wherein the third temperature is less than the second temperature;
in a second stage, heating the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature; and heating the first heating body to control the temperature of the first heating body to be reduced from the second temperature to a fifth temperature, wherein the fourth temperature is larger than the fifth temperature.
Preferably, the heating control of the first heat generator to raise the temperature of the first heat generator to a first temperature and then to a second temperature includes:
heating the first heating body to control the temperature of the first heating body to rise to a first temperature in a first period of the first stage; and in a second period of the first stage, continuously reducing the temperature of the first heating body from the first temperature to a second temperature, or reducing the temperature of the first heating body to the second temperature first and then maintaining the temperature at the second temperature, wherein the first period is smaller than the second period.
Preferably, the heating control of the second heating element to raise the temperature of the second heating element to a third temperature includes:
and in a second period of the first stage, heating and controlling the second heating element so as to enable the temperature of the second heating element to rise to a third temperature and then maintain the third temperature, or enable the temperature of the second heating element to rise to the third temperature continuously.
Preferably, the heating control of the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature includes:
heating control is performed on the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature in a third period of the second stage; and in a fourth period of the second stage, maintaining the temperature of the second heating element at the fourth temperature or increasing the temperature of the second heating element from the fourth temperature to a sixth temperature, wherein the third period and the fourth period are two periods divided by a first division manner for the second stage, and the third period is smaller than the fourth period.
Preferably, the heating control of the first heat generator to reduce the temperature of the first heat generator from the second temperature to a fifth temperature includes:
heating the first heating body to reduce the temperature of the first heating body from the second temperature to a fifth temperature in a fifth period of the second stage; in a sixth period of the second stage, maintaining the temperature of the first heat generator at the fifth temperature or increasing the temperature of the first heat generator from the fifth temperature to a seventh temperature, wherein the fifth period and the sixth period are two periods divided by a second division manner for the second stage, the fifth period is smaller than the sixth period, and the fourth temperature is greater than the seventh temperature.
Preferably, the first temperature is between 150 ℃ and 300 ℃; the second temperature is between 150 ℃ and 300 ℃.
Preferably, the difference between the second temperature and the first temperature is between 5 ℃ and 100 ℃.
Preferably, the third temperature is between 50 ℃ and 200 ℃; the fourth temperature is between 150 ℃ and 300 ℃.
Preferably, the heating control of the first heating body includes:
Heating and controlling the first heating body in an electromagnetic heating mode;
and/or the number of the groups of groups,
the heating control of the second heating body comprises:
and heating and controlling the second heating body in an electromagnetic heating mode.
The present invention also constructs an aerosol-generating device comprising: a first heating body, a second heating body, a first control unit and a second control unit, wherein,
the first control unit is used for performing heating control on the first heating body in a first stage so as to enable the temperature of the first heating body to rise to a first temperature and then fall to a second temperature; and in a second stage, heating the first heating body to reduce the temperature of the first heating body from the second temperature to a fifth temperature;
the second control unit is used for performing heating control on the second heating element in the first stage so as to enable the temperature of the second heating element to rise to a third temperature; and in a second stage, heating the second heating element so as to raise the temperature of the second heating element from the third temperature to a fourth temperature, wherein the third temperature is smaller than the second temperature, and the fourth temperature is larger than the fifth temperature.
Preferably, the first control unit is configured to perform heating control on the first heat generator, so as to raise the temperature of the first heat generator to a first temperature during a first period of the first phase; and in a second period of the first stage, continuously reducing the temperature of the first heat generator from the first temperature to the second temperature, or reducing the temperature of the first heat generator to the second temperature first and then maintaining the temperature at the second temperature, wherein the first period is smaller than the second period.
Preferably, the second control unit is configured to perform heating control on the second heating element in a second period of the first stage, so that the temperature of the second heating element is raised to a third temperature and then maintained at the third temperature, or so that the temperature of the second heating element is continuously raised to the third temperature.
Preferably, the second control unit is configured to perform heating control on the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature in a third period of the second stage; and in a fourth period of the second stage, maintaining the temperature of the second heating element at the fourth temperature or increasing the temperature of the second heating element from the fourth temperature to a sixth temperature, wherein the third period and the fourth period are two periods divided by a first division manner for the second stage, and the third period is smaller than the fourth period.
Preferably, the first control unit is configured to perform heating control on the first heat generator so as to reduce the temperature of the first heat generator from the second temperature to a fifth temperature in a fifth period of the second stage; in a sixth period of the second stage, maintaining the temperature of the first heat generator at the fifth temperature or increasing the temperature of the first heat generator from the fifth temperature to a seventh temperature, wherein the fifth period and the sixth period are two periods divided by a second division manner for the second stage, the fifth period is smaller than the sixth period, and the fourth temperature is greater than the seventh temperature.
Preferably, the first temperature is between 150 ℃ and 300 ℃;
the second temperature is between 150 ℃ and 300 ℃, and the difference between the second temperature and the first temperature is between 5 ℃ and 100 ℃;
the third temperature is between 50 ℃ and 200 ℃;
the fourth temperature is between 150 ℃ and 300 ℃.
Preferably, the first control unit includes:
the first temperature detection module is used for detecting the temperature of the first heating body in real time so as to obtain a first temperature detection value;
The first main control module is used for outputting a first control signal according to the first temperature detection value and the target temperature of each stage, wherein the target temperature of the first stage is the first temperature, the second temperature and the target temperature of the second stage is the fifth temperature;
the first resonance module is used for generating a corresponding first alternating magnetic field according to the first control signal, and the first heating body is positioned in the first alternating magnetic field.
Preferably, the first resonance module is a first parallel resonance circuit or a first series resonance circuit.
Preferably, the second control unit includes:
the second temperature detection module is used for detecting the temperature of the second heating element in real time so as to obtain a second temperature detection value;
the second main control module is used for outputting a second control signal according to the second temperature detection value and the target temperature of each stage, wherein the target temperature of the first stage is the third temperature, and the target temperature of the second stage is the fourth temperature;
the second resonance module is used for generating a corresponding second alternating magnetic field according to the second control signal, and the second heating body is positioned in the second alternating magnetic field.
Preferably, the second resonance module is a second parallel resonance circuit or a second series resonance circuit.
The invention also constructs a computer program product comprising a processor that when executing the stored computer program implements the steps of the aerosol generating method described above.
The present invention also constructs a storage medium storing a computer program which, when executed by a processor, implements the steps of the aerosol generating method described above.
By implementing the technical scheme of the invention, in the first stage, the temperature of the first heating body is firstly increased to the first temperature (the highest temperature point in the first stage) through heating control of the first heating body, so that the aerosol forming substrate can be fully preheated, and the generation of aerosol is facilitated; then the temperature of the first heating body is reduced from the first temperature to the second temperature, so that the aerosol-forming substrate can not be baked at an excessively high temperature, and generation of miscellaneous gases and burnt smell is inhibited. Meanwhile, in the first stage, the temperature of the second heating element is increased to the third temperature by heating control of the second heating element, so that the aerosol-forming substrate of the second part can be baked in advance, and aerosol is generated in the second stage by the aerosol-forming substrate. In the second stage, the temperature of the second heating element is increased to the fourth temperature through heating control of the second heating element, and meanwhile, the temperature of the first heating element is reduced to the fifth temperature through heating control of the first heating element, so that the quality of mouthfeel and aerosol in the sucking time is ensured.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of an embodiment of an aerosol generating method of the present invention;
FIG. 2 is a schematic diagram showing the structure of two heating elements and an aerosol-forming substrate in an aerosol-generating device according to an embodiment of the present invention;
FIG. 3A is a graph of temperature settings for two heat generators in one embodiment of the invention;
FIG. 3B is a graph showing temperature distribution of two heating elements in one embodiment of the invention;
FIG. 4 is a schematic view showing the structure of two heating elements in an aerosol-generating device according to an embodiment of the present invention;
FIG. 5 is a graph showing temperature distribution of two heat-generating bodies in one embodiment of the present invention;
FIG. 6 is a graph showing temperature distribution of two heat-generating bodies in one embodiment of the invention;
FIG. 7 is a logical block diagram of an embodiment of an aerosol-generating device according to the invention;
fig. 8 is a circuit configuration diagram of a first control unit in the aerosol-generating device of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a flow chart of an embodiment of the aerosol-generating method of the invention, first of all, illustrating that the aerosol-generating device is arranged, in use, to heat at least two heat sources of an aerosol-forming substrate (e.g. a cigarette), i.e. comprising at least a first heat generator and a second heat generator, and that the aerosol-forming substrate comprises a first portion and a second portion, respectively. The first heating element is used for heating the first part, and the second heating element is used for heating the second part. For example, in one embodiment, as shown in fig. 2, the aerosol-forming substrate is a complete unitary body, i.e., the first portion 31 and the second portion 32 thereof are not physically separated, although in other embodiments the first portion 31 and the second portion 32 may be two portions that are independent of each other. The first heating element 21 and the second heating element 22 are respectively cylindrical heating elements and are respectively sleeved on the first portion 31 and the second portion 32 of the aerosol-forming substrate, however, in other embodiments, the first heating element 21 and the second heating element 22 may be heating sheets, heating pins, heating rods, heating wires or filaments and are respectively inserted on the first portion 31 and the second portion 32 of the aerosol-forming substrate. The first heat generator 21 and the second heat generator 22 may be different sections of a single heat generator, or may be two physically separated heat generators.
As shown in fig. 1, the aerosol generating method of this embodiment includes the steps of:
s10, in a first stage, heating and controlling a first heating body so as to enable the temperature of the first heating body to rise to a first temperature and then fall to a second temperature; and heating the second heating element to raise the temperature of the second heating element to a third temperature, wherein the third temperature is less than the second temperature;
in this step, in the first stage, the temperatures of both the first heat generating body and the second heat generating body are raised from an initial temperature, which may be room temperature, for example, 25 degrees, 0 degrees, or the like.
S20, in a second stage, heating and controlling the second heating element so as to enable the temperature of the second heating element to rise from the third temperature to a fourth temperature; and heating the first heating body to control the temperature of the first heating body to be reduced from the second temperature to a fifth temperature, wherein the fourth temperature is larger than the fifth temperature.
In the technical scheme of this embodiment, in combination with fig. 3A and 3b,0 to t1 are the first stage, and t1 to t2 are the second stage. In the first stage (0-T1), the temperature of the first heating body is firstly increased to a first temperature T1 (the highest temperature point in the first stage) through heating control of the first heating body, so that the aerosol forming substrate can be fully preheated, and the generation of aerosol is facilitated; then the temperature of the first heating body is continuously reduced from the first temperature T1 to the second temperature T2 (T2 < T1), so that the aerosol-forming substrate can not be baked at an excessively high temperature, and the generation of miscellaneous gases and burnt smell is inhibited. Meanwhile, in the first stage (0-T1), the temperature of the second heating element is increased to a third temperature T3 (T3 < T2) through heating control of the second heating element, so that the second part of the aerosol-forming substrate can be baked in advance, and aerosol is generated in the second stage by the second part. In the second stage (T1-T2), the temperature of the second heating element is raised to a fourth temperature T4 (highest temperature point in the second stage) by heating control of the second heating element, and simultaneously, the temperature of the first heating element is lowered to a fifth temperature T5 (T5 < T4) by heating control of the first heating element, so that the taste and aerosol quality in the sucking time are ensured.
Further, the first temperature is between 150 ℃ and 300 ℃ (including 150 ℃ and 300 ℃), the second temperature is between 150 ℃ and 300 ℃ (including 150 ℃ and 300 ℃), and the difference between the second temperature and the first temperature is between 5 ℃ and 100 ℃ (including 5 ℃ and 100 ℃). The third temperature is between 50 ℃ and 200 ℃ (comprising 50 ℃ and 200 ℃); the fourth temperature is between 150 ℃ and 300 ℃ (including 150 ℃ and 300 ℃).
In one embodiment, as shown in fig. 3A and 3B, the first temperature is 300 ℃, the second temperature is 240 ℃, the third temperature is 100 ℃, the fourth temperature is 290 ℃, and the fifth temperature is 200 ℃. In this way, in the first stage, for the first heating element, the temperature is raised to 300 ℃ (the highest temperature point of the first stage), so that the first part of the aerosol-forming substrate is sufficiently preheated, the first part is favorable for generating aerosol in the first stage, and then the temperature is lowered to 240 ℃, so that the first part is not baked at an excessively high temperature, and the generation of miscellaneous gases and burnt smell is inhibited. For the second heat-generating body, the temperature thereof is raised to 100 ℃, so that aerosol is generated for the second portion of the aerosol-forming substrate in the second stage for preheating. In the second stage, the temperature of the second heating element is increased to 290 ℃, so that the second part is fully heated, and aerosol generation is facilitated; for the first heating body, the temperature is reduced to 200 ℃, so that the miscellaneous gas or burnt smell generated by the excessive high-temperature baking of the first part is avoided, and the quality of the mouthfeel and aerosol in the sucking time is ensured.
Further, in an alternative embodiment, the heating control of the first heat generator in step S10 is performed to raise the temperature of the first heat generator to the first temperature and then lower the temperature to the second temperature, which specifically includes: heating the first heating body to control the temperature of the first heating body to rise to a first temperature in a first period of the first stage; and in a second period of the first stage, continuously reducing the temperature of the first heating body from the first temperature to a second temperature, or reducing the temperature of the first heating body to the second temperature first and then maintaining the temperature at the second temperature, wherein the first period is smaller than the second period.
In one embodiment, as shown in FIG. 3B, 0-t 11 are the first time period of the first phase, and t 11-t 1 are the second time period of the first phase. In the first period of the first stage, since the first period (e.g., 10 s) is smaller than the second period (e.g., 2 minutes), the temperature of the first heat generator can be quickly raised to the first temperature T1 to quickly preheat the first portion of the aerosol-forming substrate, thereby avoiding the taste and insufficient aerosol concentration of the first portion due to insufficient baking in the initial stage. In the second period of the first stage, the temperature of the first heating body continuously decreases from the first temperature T1 to the second temperature T2, so that the generation of miscellaneous gas and burnt smell caused by the overhigh temperature of the first part can be avoided.
In another embodiment, as shown in fig. 3B, 0 to t11 are the first period of the first phase, and t11 to t1 are the second period of the first phase. In the first period of the first stage, since the first period (e.g. 10 s) is smaller than the second period (e.g. 2 minutes), the temperature of the first heat generator can be quickly raised to the first temperature T1 to quickly preheat the first portion of the aerosol-forming substrate, thereby avoiding insufficient mouthfeel and aerosol concentration due to insufficient baking in the initial stage. In the second period of the first stage, the temperature of the first heating body is firstly reduced to a second temperature T2 in the section T11-T12, and the second temperature T2 is maintained in the section T12-T1, so that the generation of miscellaneous gas and burnt smell caused by overhigh temperature in the first part can be avoided.
Further, in an alternative embodiment, the heating control of the second heating element in step S10 is performed so that the temperature of the second heating element is raised to the third temperature, including: and in a second period of the first stage, heating and controlling the second heating element so as to enable the temperature of the second heating element to rise to a third temperature and then maintain the third temperature, or enable the temperature of the second heating element to rise to the third temperature continuously.
In this embodiment, during the period when the temperature of the first heating element continuously decreases from the first temperature T1 to the second temperature T2, that is, during the second period, for example, as shown in fig. 3A, the heating control of the second heating element is started from time T13 of the second period (time T13 is within the second period) so that the temperature thereof increases to the third temperature T3 and then is maintained at the third temperature T3, so that generation of miscellaneous gases and scorched smell due to the excessive temperature of the first portion of the aerosol-forming substrate (because the heat of the second portion of the aerosol-forming substrate is thermally conducted to the first portion when the second heating element starts to heat up) is avoided, and also, premature generation of aerosol by the second portion is avoided, the aerosol-generating substance is consumed prematurely, and the concentration of the aerosol generated by the second portion in the later stage of the suction is also avoided. Of course, in other embodiments, the temperature of the second heating element may be continuously increased to the third temperature.
In fig. 3A and 3B, the heating curve of the second heating element in the first stage is also to be noted, and although the temperature of the second heating element in fig. 3B starts to rise from the beginning of the first period, this is because the temperature of the second heating element is raised by the heat conduction of the first heating element, and the temperature of the second period is raised by the active heating of the second heating element. For example, in the embodiment shown in fig. 4, the first heat generating body 21 and the second heat generating body 22 are formed in a tubular structure integrally, and the first heat generating body 21 and the second heat generating body 22 are partially spaced apart by the plurality of holes 23, but in other embodiments, the partial spacing may be performed by grooving. In this way, the temperature fields between the first heating element 21 and the second heating element 22 have smaller interaction, so that the temperature of the first heating element 21 or the second heating element 22 can be controlled independently, and meanwhile, the relative positions between the first heating element 21 and the second heating element 22 are relatively determined, so that the manufacturing and the installation are convenient.
Further, in an alternative embodiment, heating control is performed on the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature, including: heating control is performed on the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature in a third period of the second stage; and in a fourth period of the second stage, maintaining the temperature of the second heating element at the fourth temperature or increasing the temperature of the second heating element from the fourth temperature to a sixth temperature, wherein the third period and the fourth period are two periods divided by a first division manner for the second stage, and the third period is smaller than the fourth period.
In one embodiment, as shown in fig. 5, the second stage (t 1-t 2) may be divided into a third period (t 1-t 21) and a fourth period (t 21-t 2) according to the first division manner, and the third period is smaller than the fourth period. With respect to the second heat generating body of the second stage, by heating control thereof, the temperature thereof can be raised from the third temperature T3 to the fourth temperature T4 in the third period, and the temperature thereof can be maintained at the fourth temperature T4 in the fourth period. Since the third period is smaller than the fourth period, rapid warm-up of the second heat-generating body can avoid insufficient mouthfeel and insufficient aerosol concentration of the second portion of the aerosol-forming substrate due to insufficient baking.
In one embodiment, as shown in fig. 6, the second stage (t 1-t 2) is also divided into a third period (t 1-t 21) and a fourth period (t 21-t 2), and the third period is smaller than the fourth period. With respect to the second heat generating body of the second stage, by heating control thereof, the temperature thereof can be made to rise from the third temperature T3 to the fourth temperature T4 in the third period, and the temperature thereof can be made to rise from the fourth temperature T4 to the sixth temperature T6 in the fourth period. Since the third period is smaller than the fourth period, rapid warm-up of the second heat-generating body can avoid insufficient mouthfeel and insufficient aerosol concentration of the second portion of the aerosol-forming substrate due to insufficient baking. Meanwhile, the second heating body is heated in the fourth period, so that the defects of taste and insufficient aerosol concentration caused by insufficient baking in the subsequent heating process can be avoided.
Further, in an alternative embodiment, the heating control of the first heat generator to reduce the temperature of the first heat generator from the second temperature to a fifth temperature includes: heating the first heating body to reduce the temperature of the first heating body from the second temperature to a fifth temperature in a fifth period of the second stage; in a sixth period of the second stage, maintaining the temperature of the first heat generator at the fifth temperature or increasing the temperature of the first heat generator from the fifth temperature to a seventh temperature, wherein the fifth period and the sixth period are two periods divided by a second division manner for the second stage, the fifth period is smaller than the sixth period, and the fourth temperature is greater than the seventh temperature. In addition, the process of the temperature of the first heat generator decreasing from the second temperature to the fifth temperature in the fifth period may be: continuously decreasing at the same decreasing rate, and can also be: the first descent rate is slowly decreased and then the second descent rate is rapidly decreased.
In one embodiment, as shown in fig. 5, the second stage (t 1-t 2) may be divided into a fifth period (t 1-t 22) and a sixth period (t 22-t 2) according to a second division manner, where the fifth period is smaller than the sixth period. As for the first heat generator of the second stage, by heating it, the temperature thereof can be reduced from the second temperature T2 to a fifth temperature T5 in the fifth period, and maintained at a sixth temperature T6 in the sixth period. In this way, the second portion of the aerosol-generating substrate is prevented from generating off-gases and burnt flavors due to excessive high temperature baking (since the heat of the first portion of the aerosol-forming substrate is also thermally conducted to the second portion when the first heating body is heated).
In one embodiment, as shown in fig. 6, the second stage (t 1-t 2) is also divided into a fifth period (t 1-t 22) and a sixth period (t 22-t 2), and the fifth period is smaller than the sixth period. The first heating body in the second stage is heated and controlled to reduce the temperature from the second temperature T2 to the fifth temperature T5 in the fifth period and to raise the temperature from the fifth temperature T5 to the sixth temperature T6 in the sixth period, so that the generation of miscellaneous gases and burnt smell caused by excessively high-temperature baking of the second part of the aerosol generating substrate can be avoided, and the temperature of the first heating body is raised in the sixth period, so that the defect of insufficient mouthfeel and insufficient aerosol concentration caused by insufficient baking of the second part of the aerosol generating substrate can be avoided.
Further, in an alternative embodiment, the first heating body may be controlled by electromagnetic heating; and/or the second heating body is heated and controlled by adopting an electromagnetic heating mode. In addition, the control of the two heating bodies can adopt an independent control mode or a centralized control mode.
In a specific embodiment, the electromagnetic heating mode is adopted to perform heating control on the first heating body, and the method specifically comprises the following steps:
detecting the temperature of the first heating body in real time to obtain a first temperature detection value;
outputting a first control signal according to the first temperature detection value of the first heating body and the target temperature of each stage, wherein the target temperature of the first heating body in the first stage is the first temperature, the second temperature and the target temperature in the second stage is the fifth temperature;
and generating a corresponding first alternating magnetic field according to the first control signal, wherein the first heating body is positioned in the first alternating magnetic field.
Correspondingly, the electromagnetic heating mode is adopted to carry out heating control on the second heating body, and the method specifically comprises the following steps:
detecting the temperature of the second heating element in real time to obtain a second temperature detection value;
Outputting a second control signal according to the second temperature detection value of the second heating element and the target temperature of each stage, wherein the target temperature of the second heating element in the first stage is the third temperature, and the target temperature in the second stage is the fourth temperature;
and generating a corresponding second alternating magnetic field according to the second control signal, wherein the second heating body is positioned in the second alternating magnetic field.
In the above embodiment, the thermistors may be disposed on the surfaces of the first heating element and the second heating element, respectively, and the resistance value of each thermistor may be calculated by detecting the voltage value of each thermistor, thereby obtaining real-time temperature detection signals of the first heating element and the second heating element. In addition, two resonant circuits for generating the first alternating magnetic field and the second alternating magnetic field are arranged, the coils of the resonant circuits can generate alternating electromagnetic fields, and the two heating bodies are respectively arranged in the corresponding electromagnetic fields, so that induced eddy currents can be generated on the surfaces of the two heating bodies to heat the heating bodies. And the main control module controls the intensity of oscillation of the resonant circuit according to the detected temperature detection signals of the two parts through a software algorithm.
Of course, the first heating element and the second heating element may heat the aerosol-forming substrate by infrared radiation heating, resistance heating, or the like, and are not limited thereto.
Fig. 7 is a logical block diagram of an embodiment of an aerosol-generating device 100 of the present invention, the aerosol-generating device 100 comprising: a first heating element 21, a second heating element 22, a first control unit 11, and a second control unit 12. In addition, the aerosol-forming substrate comprises a first portion and a second portion. Further, the first heat generating body 21 is used for heating the first portion, and the second heat generating body 22 is used for heating the second portion. For example, in one embodiment, as shown in fig. 2, the aerosol-forming substrate is a complete unitary body, i.e., the first portion 31 and the second portion 32 thereof are not physically separated, although in other embodiments the first portion 31 and the second portion 32 may be two portions that are independent of each other. The first heating element 21 and the second heating element 22 are respectively cylindrical heating elements and are respectively sleeved on the first portion 31 and the second portion 32 of the aerosol-forming substrate, however, in other embodiments, the first heating element 21 and the second heating element 22 may be heating sheets, heating pins, heating rods, heating wires or filaments and are respectively inserted on the first portion 31 and the second portion 32 of the aerosol-forming substrate.
In the embodiment shown in fig. 7, the first control unit 11 is configured to perform heating control on the first heat generator 21 in the first stage, so that the temperature of the first heat generator 21 rises to a first temperature and then drops to a second temperature; and, in the second stage, heating control is performed on the first heat generator 21 so that the temperature of the first heat generator 21 is reduced from the second temperature to a fifth temperature; the second control unit 12 is configured to perform heating control of the second heat generating body 22 so that the temperature of the second heat generating body 22 is raised to a third temperature in the first stage; and in the second stage, heating control is performed on the second heating element 22 so that the temperature of the second heating element 22 is increased from a third temperature to a fourth temperature, wherein the third temperature is smaller than the second temperature, and the fourth temperature is larger than the fifth temperature.
Further, the first control unit 11 is configured to perform heating control on the first heat generator to raise the temperature of the first heat generator to a first temperature during a first period of the first phase; and in a second period of the first stage, continuously reducing the temperature of the first heat generator from the first temperature to the second temperature, or reducing the temperature of the first heat generator to the second temperature first and then maintaining the temperature at the second temperature, wherein the first period is smaller than the second period.
Further, the second control unit 12 is configured to perform heating control on the second heat generating body so that the temperature of the second heat generating body is raised to the third temperature and then maintained at the third temperature, or so that the temperature of the second heat generating body is continuously raised to the third temperature, in the second period of the first stage.
Further, the second control unit 12 is configured to perform heating control of the second heat generating body to raise the temperature of the second heat generating body from the third temperature to a fourth temperature in a third period of the second stage; and in a fourth period of the second stage, maintaining the temperature of the second heating element at the fourth temperature or increasing the temperature of the second heating element from the fourth temperature to a sixth temperature, wherein the third period and the fourth period are two periods divided by a first division manner for the second stage, and the third period is smaller than the fourth period.
Further, the first control unit 11 is configured to perform heating control on the first heat generator, so that the temperature of the first heat generator is reduced from the second temperature to a fifth temperature during a fifth period of the second stage; in a sixth period of the second stage, maintaining the temperature of the first heat generator at the fifth temperature or increasing the temperature of the first heat generator from the fifth temperature to a seventh temperature, wherein the fifth period and the sixth period are two periods divided by a second division manner for the second stage, the fifth period is smaller than the sixth period, and the fourth temperature is greater than the seventh temperature.
Further, the first temperature is between 150 ℃ and 300 ℃; the second temperature is between 150 ℃ and 300 ℃, and the difference between the second temperature and the first temperature is between 5 ℃ and 100 ℃; the third temperature is between 50 ℃ and 200 ℃; the fourth temperature is 150-300 ℃.
Further, the first control unit 11 includes a first temperature detection module, a first main control module, and a first resonance module, where the first temperature detection module is configured to detect a temperature of the first heating element in real time, so as to obtain a first temperature detection value; the first main control module is used for outputting a first control signal according to the first temperature detection value and the target temperature of each stage, wherein the target temperature of the first stage is the first temperature, the second temperature and the target temperature of the second stage is the fifth temperature; the first resonance module is used for generating a corresponding first alternating magnetic field according to the first control signal, and the first heating body is positioned in the first alternating magnetic field. The first resonant module is, for example, a first parallel resonant circuit.
Further, the second control unit 12 includes a second temperature detection module, a second main control module, and a second resonance module, where the second temperature detection module is configured to detect a temperature of the second heating element in real time, so as to obtain a second temperature detection value; the second main control module is used for outputting a second control signal according to the second temperature detection value and the target temperature of each stage, wherein the target temperature of the first stage is the third temperature, and the target temperature of the second stage is the fourth temperature; the second resonance module is used for generating a corresponding second alternating magnetic field according to the second control signal, and the second heating body is positioned in the second alternating magnetic field. The second resonant module is, for example, a second parallel resonant circuit.
Of course, in other embodiments, the first resonant module may also be a first series resonant circuit and the second resonant module may also be a second series resonant circuit.
Fig. 8 is a circuit configuration diagram of a first control unit in the aerosol generating device according to the present invention, in which a resistor R2 and a thermistor RT1 disposed on a surface of a first heat generator are connected in series to form a first temperature detection module, and a resistance value of the thermistor RT1 can be calculated by measuring a voltage value on the thermistor RT1, thereby obtaining a first temperature detection value of the first heat generator, and the detected first temperature detection value is sent to a first main control module. In addition, the inductance coil L1, the capacitor C1 and the MOS transistor Q1 form a single-tube parallel resonance circuit, and when in operation, the battery voltage (bat+) is connected to the single-tube parallel resonance circuit, and an alternating current flows through the inductance coil L1, and the alternating current causes the inductance coil L1 to generate an alternating electromagnetic field. The first heat generator is placed in the electromagnetic field, and generates heat due to hysteresis effect in the first heat generator, and further, if the first heat generator is made of conductive material, induced eddy current is generated on the surface of the first heat generator to heat the first heat generator. The main control module controls the oscillating intensity of the resonant circuit according to the first temperature detection value through a software algorithm, so as to control the temperature of the first heating body to change along with a set temperature curve.
It should be understood that the circuit structure of the second control unit is similar to that of fig. 8, and will not be described here.
The invention also constructs a computer program product comprising a processor that when executing the stored computer program implements the steps of the aerosol generating method described above.
It should be appreciated that in embodiments of the present application, the processor may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general-purpose processor may be a microprocessor, any conventional processor, or the like.
Moreover, since the processor may implement the steps of any one of the aerosol generating methods provided in the embodiments of the present invention when executing the computer program, the beneficial effects that any one of the aerosol generating methods provided in the embodiments of the present invention can implement are detailed in the previous embodiments, and are not described herein.
The present invention also constructs a storage medium storing a computer program which, when executed by a processor, implements the steps of the aerosol generating method described above.
It should be appreciated that the storage medium may include: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk, or other various computer storage media capable of storing program codes. Moreover, since the computer program stored in the storage medium can implement the steps of any one of the aerosol generating methods provided in the embodiments of the present invention when executed, the beneficial effects that any one of the aerosol generating methods provided in the embodiments of the present invention can implement can be achieved, which are detailed in the previous embodiments and are not described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (21)
1. A method of generating an aerosol, comprising:
In the first stage, heating and controlling the first heating body so as to enable the temperature of the first heating body to rise to a first temperature and then fall to a second temperature; and heating the second heating element to raise the temperature of the second heating element to a third temperature, wherein the third temperature is less than the second temperature;
in a second stage, heating the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature; and heating the first heating body to control the temperature of the first heating body to be reduced from the second temperature to a fifth temperature, wherein the fourth temperature is larger than the fifth temperature.
2. The aerosol-generating method of claim 1, wherein the heating the first heat generator to raise the temperature of the first heat generator to a first temperature and then to a second temperature comprises:
heating the first heating body to control the temperature of the first heating body to rise to a first temperature in a first period of the first stage; and in a second period of the first stage, continuously reducing the temperature of the first heating body from the first temperature to a second temperature, or reducing the temperature of the first heating body from the first temperature to the second temperature first and then maintaining the temperature at the second temperature, wherein the first period is smaller than the second period.
3. The aerosol-generating method according to claim 2, wherein the heating control of the second heat-generating body to raise the temperature of the second heat-generating body to the third temperature includes:
and in a second period of the first stage, heating and controlling the second heating element so as to enable the temperature of the second heating element to rise to a third temperature and then maintain the third temperature, or enable the temperature of the second heating element to rise to the third temperature continuously.
4. The aerosol-generating method according to claim 1, wherein the heating control of the second heat-generating body so that the temperature of the second heat-generating body increases from the third temperature to a fourth temperature, comprises:
heating control is performed on the second heating element to raise the temperature of the second heating element from the third temperature to a fourth temperature in a third period of the second stage; and in a fourth period of the second stage, maintaining the temperature of the second heating element at the fourth temperature or increasing the temperature of the second heating element from the fourth temperature to a sixth temperature, wherein the third period and the fourth period are two periods divided by a first division manner for the second stage, and the third period is smaller than the fourth period.
5. The aerosol-generating method according to claim 1, wherein the heating control of the first heat generator to decrease the temperature of the first heat generator from the second temperature to a fifth temperature includes:
heating the first heating body to reduce the temperature of the first heating body from the second temperature to a fifth temperature in a fifth period of the second stage; in a sixth period of the second stage, maintaining the temperature of the first heat generator at the fifth temperature or increasing the temperature of the first heat generator from the fifth temperature to a seventh temperature, wherein the fifth period and the sixth period are two periods divided by a second division manner for the second stage, the fifth period is smaller than the sixth period, and the fourth temperature is greater than the seventh temperature.
6. The aerosol-generating method according to any one of claims 1 to 5, wherein the first temperature is between 150 ℃ and 300 ℃; the second temperature is between 150 ℃ and 300 ℃.
7. The aerosol generating method according to claim 6, wherein the difference between the second temperature and the first temperature is between 5 ℃ and 100 ℃.
8. The aerosol-generating method according to any one of claims 1 to 5, wherein the third temperature is between 50 ℃ and 200 ℃; the fourth temperature is between 150 ℃ and 300 ℃.
9. The aerosol generating method according to any one of claims 1 to 5, wherein the heating control of the first heat generator comprises:
heating and controlling the first heating body in an electromagnetic heating mode;
and/or the number of the groups of groups,
the heating control of the second heating body comprises:
and heating and controlling the second heating body in an electromagnetic heating mode.
10. An aerosol-generating device, comprising: a first heating body, a second heating body, a first control unit and a second control unit, wherein,
the first control unit is used for performing heating control on the first heating body in a first stage so as to enable the temperature of the first heating body to rise to a first temperature and then fall to a second temperature; and in a second stage, heating the first heating body to reduce the temperature of the first heating body from the second temperature to a fifth temperature;
the second control unit is used for performing heating control on the second heating element in the first stage so as to enable the temperature of the second heating element to rise to a third temperature; and in a second stage, heating the second heating element so as to raise the temperature of the second heating element from the third temperature to a fourth temperature, wherein the third temperature is smaller than the second temperature, and the fourth temperature is larger than the fifth temperature.
11. The aerosol-generating device of claim 10, wherein the aerosol-generating device comprises,
the first control unit is used for performing heating control on the first heating body so as to enable the temperature of the first heating body to rise to a first temperature in a first period of the first stage; and in a second period of the first stage, continuously reducing the temperature of the first heat generator from the first temperature to the second temperature, or reducing the temperature of the first heat generator to the second temperature first and then maintaining the temperature at the second temperature, wherein the first period is smaller than the second period.
12. The aerosol-generating device of claim 11, wherein the aerosol-generating device comprises,
the second control unit is configured to perform heating control on the second heating element in a second period of the first stage, so that the temperature of the second heating element is raised to a third temperature and then maintained at the third temperature, or the temperature of the second heating element is continuously raised to the third temperature.
13. The aerosol-generating device of claim 10, wherein the aerosol-generating device comprises,
the second control unit is used for performing heating control on the second heating body so as to enable the temperature of the second heating body to rise from the third temperature to a fourth temperature in a third period of the second stage; and in a fourth period of the second stage, maintaining the temperature of the second heating element at the fourth temperature or increasing the temperature of the second heating element from the fourth temperature to a sixth temperature, wherein the third period and the fourth period are two periods divided by a first division manner for the second stage, and the third period is smaller than the fourth period.
14. The aerosol-generating device of claim 10, wherein the aerosol-generating device comprises,
the first control unit is used for performing heating control on the first heating body so as to enable the temperature of the first heating body to be reduced from the second temperature to a fifth temperature in a fifth period of a second stage; in a sixth period of the second stage, maintaining the temperature of the first heat generator at the fifth temperature or increasing the temperature of the first heat generator from the fifth temperature to a seventh temperature, wherein the fifth period and the sixth period are two periods divided by a second division manner for the second stage, the fifth period is smaller than the sixth period, and the fourth temperature is greater than the seventh temperature.
15. An aerosol-generating device according to any of claims 10-14, wherein,
the first temperature is between 150 ℃ and 300 ℃;
the second temperature is between 150 ℃ and 300 ℃, and the difference between the second temperature and the first temperature is between 5 ℃ and 100 ℃;
the third temperature is between 50 ℃ and 200 ℃;
the fourth temperature is between 150 ℃ and 300 ℃.
16. The aerosol-generating device according to any one of claims 10-14, wherein the first control unit comprises:
The first temperature detection module is used for detecting the temperature of the first heating body in real time so as to obtain a first temperature detection value;
the first main control module is used for outputting a first control signal according to the first temperature detection value and the target temperature of each stage, wherein the target temperature of the first stage is the first temperature, the second temperature and the target temperature of the second stage is the fifth temperature;
the first resonance module is used for generating a corresponding first alternating magnetic field according to the first control signal, and the first heating body is positioned in the first alternating magnetic field.
17. The aerosol-generating device of claim 16, wherein the first resonant module is a first parallel resonant circuit or a first series resonant circuit.
18. Aerosol-generating device according to any one of claims 10 to 14, characterized in that the second control unit comprises:
the second temperature detection module is used for detecting the temperature of the second heating element in real time so as to obtain a second temperature detection value;
the second main control module is used for outputting a second control signal according to the second temperature detection value and the target temperature of each stage, wherein the target temperature of the first stage is the third temperature, and the target temperature of the second stage is the fourth temperature;
The second resonance module is used for generating a corresponding second alternating magnetic field according to the second control signal, and the second heating body is positioned in the second alternating magnetic field.
19. The aerosol-generating device of claim 18, wherein the second resonant module is a second parallel resonant circuit or a second series resonant circuit.
20. A computer program product comprising a processor, characterized in that the processor, when executing the stored computer program, realizes the steps of the aerosol-generating method according to any of claims 1-9.
21. A storage medium storing a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the aerosol-generating method of any of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210736648.XA CN117322686A (en) | 2022-06-27 | 2022-06-27 | Aerosol generating method, apparatus, computer program product, and storage medium |
| PCT/CN2023/080910 WO2024001297A1 (en) | 2022-06-27 | 2023-03-10 | Aerosol generation method and apparatus, and computer program product and storage medium |
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| CN202210736648.XA CN117322686A (en) | 2022-06-27 | 2022-06-27 | Aerosol generating method, apparatus, computer program product, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB201612945D0 (en) * | 2016-07-26 | 2016-09-07 | British American Tobacco Investments Ltd | Method of generating aerosol |
| CN108783602A (en) * | 2018-06-27 | 2018-11-13 | 威滔电子科技（深圳）有限公司 | Control the method and device that aerosol generating device generates aerosol |
| CN111513365B (en) * | 2020-04-02 | 2023-12-05 | 深圳麦时科技有限公司 | Heating type aerosol generating device and method |
| CN113826955A (en) * | 2020-06-24 | 2021-12-24 | 深圳麦克韦尔科技有限公司 | Control method of aerosol generating device, aerosol generating device and control circuit |
| CN215913314U (en) * | 2021-10-20 | 2022-03-01 | 深圳麦克韦尔科技有限公司 | Aerosol generating device |
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