CN116687072A - Heating method and heating device - Google Patents
Heating method and heating device Download PDFInfo
- Publication number
- CN116687072A CN116687072A CN202310426861.5A CN202310426861A CN116687072A CN 116687072 A CN116687072 A CN 116687072A CN 202310426861 A CN202310426861 A CN 202310426861A CN 116687072 A CN116687072 A CN 116687072A
- Authority
- CN
- China
- Prior art keywords
- heating
- temperature
- heating element
- stage
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 258
- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000001351 cycling effect Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 abstract description 43
- 239000000779 smoke Substances 0.000 abstract description 24
- 238000000889 atomisation Methods 0.000 description 9
- 239000000443 aerosol Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 241000208125 Nicotiana Species 0.000 description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 238000002834 transmittance 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 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
- 230000000750 progressive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- A24F40/40—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
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
-
- 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
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a heating method and a heating device, wherein the heating method comprises the following steps of 1) a first stage: raising the heating element to T1 by powering the heating element, and then outputting a power output that can be maintained at T1; step 2) second stage: raising the temperature of the heating element from T1 to Tx or keeping the temperature at T1, continuing to raise the temperature to Ty, stopping heating or reducing the power supply, and cycling the heating control process when the temperature of the heating element is reduced to Tx 1; step 3) third stage: when the temperature of the heating element is reduced to Tb, the heating control process is circulated, and the method adopts an integral trend rising-flat-rising method, so that the smoke can be better released in the initial stage of smoke test release of the heating cigarette, and the consistency of the delivery quantity of the smoke can be better maintained in the middle section and the rear section.
Description
Technical Field
The present invention relates to cigarette heating devices, and more particularly to heating methods.
Background
The consumption form of the heated cigarette is a new consumption form which is carried out in a mode of generating aerosol by heating the cigarette through a heating device or an equipment, and the basic principle is that the heated cigarette is heated to a preset atomization temperature through the heating device or the equipment, and the heated cigarette is not in a burning state. Thus, a problem arises in that different heated cigarettes have different formulas, flavors, water content and the like, and heated cigarettes are difficult to release comparative or relatively stable and consistent aerosols, so that the smoking experience of consumers is poor.
Therefore, how to make the aerosol release in the initial state of the heated cigarette more, and to make the aerosol release in the later stage less, and to generate the aerosol with good stability and consistency is a technical problem to be solved in the field.
Disclosure of Invention
In order to solve the technical problems, the invention provides a heating method for heating cigarettes, and the generated aerosol has good consistency and stability.
It is necessary to provide a heating device for realizing the above heating method.
The technical scheme provided by the invention is as follows:
a method of heating a substrate to be heated,
step 1) first stage: raising the heating element to T1 by powering the heating element, and then outputting a power that can be maintained below T1;
step 2) second stage: continuing to supply power to the heating element, raising the temperature of the heating element from T1 to Tx, maintaining the heating element for a period of time, continuing to raise the temperature to Ty, then stopping heating or reducing the power supply, lowering the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is lowered to Tx1, stopping heating or reducing the power supply when the temperature of the heating element is raised to Ty1, lowering the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is lowered to Tx2, heating or reducing the power supply when the temperature of the heating element is raised to Tyn, stopping heating or reducing the power supply, lowering the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is lowered to Txn, and ending the second phase, wherein the Tyn is lowered with the passage of time, the Txn is raised or kept unchanged with the passage of time, but the Txn is not lower than T1;
step 3) third stage: continuing to supply power to the heating element, heating the heating element to Ta, stopping heating or reducing the power supply, reducing the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb, stopping heating or reducing the power supply when the temperature of the heating element is increased to Ta1, reducing the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb1, cycling the heating control process, stopping heating or reducing the power supply when the temperature of the heating element is increased to Tai, heating or increasing the power supply when the temperature of the heating element is reduced to Tbi, and ending the third stage, wherein the temperature of Tai is increased along with the time, and the temperature of Tbi is increased along with the time.
Wherein, tyn decreases with time, tyn=ty- Δt1×t1, wherein Δt1 is a cooling rate (0.2-5) deg.c/s, T1 is a time from the start of the second stage, in s, and n is a natural number from 1.
Wherein Txn rises or remains unchanged over time, txn=tx+Δt2×t1, where Δt2 is the rate of rise (0-1.5) c/s, T1 is the time from the start of the second phase in s, and n is a natural number from 1.
Wherein the absolute value of the rate of change of Δt1 is equal to or greater than the absolute value of the rate of change of Δt2.
Where Tai rises with time, tai=ta+Δt3×t2, where Δt3 is the rate of temperature rise (0.2-4.5) c/s, T2 is the time from the start of the third stage in s, and i is the natural number from 1.
Wherein Tbi rises with time, tbi=tb+Δt4×t2, where Δt4 is the rate of temperature rise (0.1-2.5) deg.c/s, T2 is the time from the start of the third stage in s, and i is the natural number from 1.
And the duration of the second stage is 60-180s, and when Tyn is equal to Txn, the duration of the second stage is ended in advance.
Preferably, the duration of the second stage is 75s-150s.
Wherein in the second stage, the heating element is maintained for 2-15s after rising from T1 to Tx or remaining at T1, and then continuously rising to Ty.
The duration of the third stage is 60-180s, and when Tai is equal to Tbi, the duration of the third stage is ended in advance.
Preferably, the duration of the third stage is 75s-150s.
Wherein, T1 is 250-350 ℃.
Wherein the temperature of T1 is preferably 275-320 ℃.
Wherein, in the first stage, the time for maintaining the heating element to T1 is not less than 5s.
Wherein the Ty temperature is not more than 420 ℃.
Wherein, the Ty temperature is preferably 350-390 ℃.
Wherein, the second stage is maintained for no more than 30s after heating to Tx.
Wherein the highest temperature in the third stage is not higher than 450 ℃, and the lowest temperature is not lower than T1.
Wherein, the electric power provided in the heating process of the first stage, the second stage and the third stage is continuous electric power;
the power provided in the cooling process of the second stage and the third stage is continuous or discontinuous power, so that the temperature is reduced.
A heating device applying the heating method as described above,
a heater comprising at least one heating element for heating the aerosol-generating substrate;
a power supply for powering the heating element;
and a control system for controlling the power supply to provide power to the heating element.
Compared with the prior art, the heating method provided by the invention adopts an integral trend rising-flattening-rising method, has consistency with the temperature required by the smoke release formation of the heated cigarettes, increases the temperature of the heated cigarettes from a lower temperature in the first stage, releases the atomized matters of the heated cigarettes after increasing the temperature, can achieve a better release effect, and achieves the same atomization effect in order to not reduce the temperature of the heated cigarettes too fast when the temperature is reduced according to a certain gradient in the second stage; the gradient heating in the third stage is used for making up that the heated cigarette atomized matters cannot meet enough atomization amount, so that consumption experience is improved. The required temperature is higher and there is a bad condition that the aerosol of the heated cigarette is not sufficient to be atomized, resulting in a poor consumer experience. The smoke can be released better from the beginning of the release of the heated cigarette smoke, and the consistency of the delivery amount of the smoke can be better maintained in the middle section and the rear section.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a graph showing the control of operating temperature according to example 1 of the present invention;
FIG. 2 is a graph of the smoke release from a heated cigarette according to example 1 of the present invention;
FIG. 3 is a graph showing the amount of smoke released per mouth for a heated cigarette of example 1;
FIG. 4 is an operating temperature control diagram for comparative example 1;
FIG. 5 is a graph of the smoke release of a heated cigarette of comparative example 1;
figure 6 is a graph of the per-mouth release of heated cigarette smoke of comparative example 1.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
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 be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
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 one or more such feature. In the description of the present invention, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof.
The embodiment of the invention is written in a progressive manner.
A method of heating a substrate to be heated,
step 1) first stage: raising the heating element to T1 by powering the heating element, and then outputting a power that can be maintained below T1;
step 2) second stage: continuing to supply power to the heating element, raising the temperature of the heating element from T1 to Tx, maintaining the heating element for a period of time, continuing to raise the temperature to Ty, then stopping heating or reducing the power supply, lowering the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is lowered to Tx1, stopping heating or reducing the power supply when the temperature of the heating element is raised to Ty1, lowering the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is lowered to Tx2, heating or reducing the power supply when the temperature of the heating element is raised to Tyn, stopping heating or reducing the power supply, lowering the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is lowered to Txn, and ending the second phase, wherein the Tyn is lowered with the passage of time, the Txn is raised or kept unchanged with the passage of time, but the Txn is not lower than T1;
step 3) third stage: continuing to supply power to the heating element, heating the heating element to Ta, stopping heating or reducing the power supply, reducing the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb, stopping heating or reducing the power supply when the temperature of the heating element is increased to Ta1, reducing the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb1, cycling the heating control process, stopping heating or reducing the power supply when the temperature of the heating element is increased to Tai, heating or increasing the power supply when the temperature of the heating element is reduced to Tbi, and ending the third stage, wherein the temperature of Tai is increased along with the time, and the temperature of Tbi is increased along with the time.
The heating method is used for controlling the heating temperature of the heated cigarettes, and is divided into three stages, wherein the first stage is used for controlling the heating element to be T1, then heating is carried out, the first stage is used for heating cigarettes, the temperature of the first stage is lower, and the second stage is used for needing a higher upper temperature limit, so that the first stage is used for heating cigarettes, the second stage is used for controlling the upper temperature limit value and the lower temperature limit value of the temperature, the upper temperature limit value is reduced along with the time, the lower temperature limit value is upwards moved or kept unchanged along with the time, the temperature of a tobacco section of the heated cigarettes is already increased along with the time of the second stage, the atomized matters in the cigarettes are still in the first half of a working period, the released matters are sufficient, the lower temperature limit is unchanged or upwards moved with a low slope, and the uniformity of atomization release is kept. The third stage controls to continue heating the heating element while controlling the upper temperature limit value and the lower temperature limit value, the upper temperature limit value increasing with the lapse of time and the lower temperature limit value increasing with the lapse of time. The third stage enters the second half stage of the combustion process of the heating cigarette, along with the extension of the release time of the atomization matters of the heating cigarette, the atomization matters with low boiling point and the like which are easy to volatilize are released in advance partially or mostly, and if the atomization effect which is the same as that of the second stage is to be achieved in the second half stage, the temperature is required to be continuously increased, and the continuous increase of the upper limit temperature and the lower limit temperature is included, so that the release of the atomization matters in the heating cigarette is improved, and the atomization effect which is the same as that of the second stage is achieved. The invention aims to solve the problem that the release amount of the smoke of the heated cigarettes is consistent in the whole combustion process.
The Tyn of the present invention decreases with time, tyn=ty- Δt1×t1, where Δt1 is the cooling rate (0.2-5) deg.c/s, T1 is the time from the start of the second stage, in s, and n is a natural number from 1.
The Txn of the present invention rises or remains unchanged over time, txn=tx+Δt2×t1, where Δt2 is the rate of rise (0-1.5) c/s, T1 is the time from the start of the second stage in s, and n is a natural number from 1.
The absolute value of the change rate of Δt1 is equal to or greater than the absolute value of the change rate of Δt2.
The Tai of the present invention increases with time, tai=ta+Δt3×t2, where Δt3 is the temperature rise rate (0.2-4.5) deg.c/s, T2 is the time from the start of the third stage in s, and i is a natural number from 1.
In the present invention, tbi=tb+Δt4×t2, where Δt4 is a temperature rise rate (0.1-2.5) deg.c/s, T2 is a time from the start of the third stage, s is a unit, and i is a natural number from 1.
The duration of the second stage is 60-180s, and when Tyn is equal to Txn, the duration of the second stage is ended in advance.
As a preferred embodiment, the duration of the second stage is 75s-150s.
In the second stage of the invention, the heating element is raised from T1 to Tx or held at T1 for 2-15s and then raised to Ty.
The duration of the third stage is 60-180s, and when Tai is equal to Tbi, the duration of the third stage is ended in advance.
The duration of the third stage of the invention is 75s-150s.
Said T1 of the present invention is 250-350 ℃, at which temperature nicotine can be slowly released; based on the temperature, the heat transfer of the heating element to the outside can be reduced, and the energy consumption is reduced.
The T1 of the invention is preferably 270 ℃.
In the first stage of the invention, after the heating element is heated to T1, the time is maintained for not less than 5s, and within a certain precision range, T1 is the lowest temperature in the working process, so that the effective transfer of heat to tobacco is ensured, and the method for maintaining the temperature of the heating element at T1 can be realized by a program algorithm so as to realize the precision temperature control.
The Ty temperature of the invention does not exceed 400 ℃.
The Ty temperature of the invention is 350-390 ℃.
In the second stage of the invention, after the tobacco is heated to Tx, the time is maintained for not more than 30 seconds, and the high and low temperature is changed, so that the tobacco and the heating element have better heat transfer, and the non-uniformity of heating in a single temperature section and the unpleasant taste generated by the tobacco are reduced.
The highest temperature of the third stage is not higher than 450 ℃ and the lowest temperature is not lower than T1.
The electric power provided in the heating process of the first stage, the second stage and the third stage is continuous electric power;
the electric power provided in the cooling process of the second stage and the third stage is continuous or discontinuous electric power, so that the temperature is reduced.
A heating device applying the heating method as described above,
a heater comprising at least one heating element for heating the aerosol-generating substrate;
a power supply for powering the heating element;
and a control system for controlling the power supply to provide power to the heating element.
In order to better explain the technical scheme of the invention, the invention also prompts a specific implementation mode.
Example 1
As shown in figure 1 of the drawings,
step 1) first stage: raising the heating element to T1 (270 ℃) by powering the heating element, and then outputting a power output that can be maintained at T1 (270 ℃) for 5 seconds;
step 2) second stage: continuing to supply power to the heating element, keeping the heating element at T1 (270 ℃) for a period of time, continuing to raise the temperature to Ty (380 ℃), stopping heating or lowering the power supply, lowering the temperature of the heating element, heating or raising the power supply when the temperature of the heating element is lowered to Tx1, stopping heating or lowering the power supply when the temperature of the heating element is raised to Ty1, lowering the temperature of the heating element, heating or raising the power supply when the temperature of the heating element is lowered to Tx2, stopping heating or lowering the power supply when the temperature of the heating element is raised to Ty2, cycling the heating control process until the temperature of the heating element is raised to Tyn, stopping heating or lowering the power supply, lowering the temperature of the heating element, heating or raising the power supply when the temperature of the heating element is lowered to Txn, and ending the second phase (total second phase 120 s), wherein Tyn is lowered with the lapse of time, txn is raised or kept unchanged with the lapse of time, but Txn is not lower than T1;
tyn decreases with time, tyn=ty- Δt1×t1, where Δt1 is the cooling rate 0.5 ℃/s, and T1 is the time from the start of the second phase in s;
txn remains unchanged at 270 ℃;
step 3) third stage: continuing to supply power to the heating element, heating the heating element to Ta (350 ℃), then stopping heating or reducing the power supply, cooling the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb (300 ℃), stopping heating or reducing the power supply when the temperature of the heating element is increased to Ta1, heating or increasing the power supply when the temperature of the heating element is reduced to Tb1, cycling the heating control process, stopping heating or reducing the power supply when the temperature of the heating element is increased to Tai, heating or increasing the power supply when the temperature of the heating element is reduced to Tbi, until the third phase is ended (the third phase total duration 120 s), wherein Tai rises with the passage of time, and Tbi rises with the passage of time;
tai rises with time, tai=ta+Δt3×t2, where Δt3 is the rate of temperature increase 0.5 ℃/s, T2 is the time from the start of the third stage in s, and i is a natural number from 1.
Tbi rises over time, tbi=tb+Δt4×t2, where Δt4 is the rate of rise of 0.2 ℃/s, T2 is the time from the start of the third phase, in s, i is a natural number starting from 1.
The heating apparatus of the heating method of example 1 was used for heating a COO-heated cigarette (smoke in hubei), and the smoke release amount of the heated cigarette was determined by measuring the light passing rate (infrared transmittance) in the smoke.
The heated cigarette smoke release profile of example 1 is shown in fig. 2, and fig. 3 shows the release per mouth of the heated cigarette smoke of example 1. The heating method is shown to be used for controlling the release amount of heating smoke of the heated cigarettes to be very uniform. Comparative example 1
As shown in figure 4, the temperature control method for heating cigarettes is to heat the cigarettes to 380 ℃ within 20s, and to reduce the temperature to 335 ℃ within 5s, and keep the temperature at 335 ℃ for 240s.
The heating apparatus of the heating method of comparative example 1 was used for heating of COO-heated cigarettes (smoke in hubei), and the smoke release amount of the heated cigarettes was determined by measuring the passing rate of light rays in smoke (infrared transmittance).
The heating cigarette smoke release graph of comparative example 1 is shown in fig. 5, and fig. 6 shows the release amount per opening of the heating cigarette smoke of comparative example 1, indicating that the heating control method is used for controlling the uniformity of the heating smoke release amount of the heating cigarette to be significantly lower than that of the heating control method of example 1.
The electric power provided in the heating process of the first stage, the second stage and the third stage is continuous electric power;
the electric power provided in the cooling process of the second stage and the third stage is continuous or discontinuous electric power, so that the temperature is reduced, the cooling method can accelerate the temperature reduction, reduce the energy consumption and avoid uncomfortable feeling of smoking caused by heating the cigarettes
The invention provides a heating device for generating consistent aerosol, comprising:
a heater comprising at least one heating element for heating the aerosol-generating substrate;
a power supply for powering the heating element;
and a control system for controlling the power supply to provide power to the heating element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (16)
1. A heating method, characterized in that:
step 1) first stage: raising the heating element to T1 by powering the heating element, and then outputting a power output that can be maintained at T1;
step 2) second stage: continuing to supply power to the heating element, raising the temperature of the heating element from T1 to Tx or keeping the heating element at T1 for a period of time, continuing to raise the temperature to Ty, then stopping heating or lowering the power supply, lowering the temperature of the heating element, heating or raising the power supply when the temperature of the heating element is lowered to Tx1, stopping heating or lowering the power supply when the temperature of the heating element is raised to Ty1, lowering the temperature of the heating element, heating or raising the power supply when the temperature of the heating element is lowered to Tx2, stopping heating or lowering the power supply, cycling the heating control process until the temperature of the heating element is raised to Tyn, stopping heating or lowering the power supply, lowering the temperature of the heating element, heating or raising the power supply when the temperature of the heating element is lowered to Txn, and ending the second phase, wherein the Txn is raised or kept unchanged with the lapse of time, but the Txn is not lower than T1;
step 3) third stage: continuing to supply power to the heating element, heating the heating element to Ta, stopping heating or reducing the power supply, reducing the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb, stopping heating or reducing the power supply when the temperature of the heating element is increased to Ta1, reducing the temperature of the heating element, heating or increasing the power supply when the temperature of the heating element is reduced to Tb1, cycling the heating control process, stopping heating or reducing the power supply when the temperature of the heating element is increased to Tai, heating or increasing the power supply when the temperature of the heating element is reduced to Tbi, and ending the third stage, wherein the temperature of Tai is increased along with the time, and the temperature of Tbi is increased along with the time.
2. A heating method as claimed in claim 1, wherein:
tyn decreases with time, tyn=ty- Δt1×t1, where Δt1 is the cooling rate (0.2-5) deg.c/s, T1 is the time from the start of the second stage in s, and n is a natural number from 1.
3. A heating method as claimed in claim 2, wherein:
txn rises or remains unchanged over time, txn=tx+Δt2×t1, where Δt2 is the rate of rise (0-1.5) c/s, T1 is the time from the start of the second phase in s, and n is the natural number from 1.
4. A heating method as claimed in claim 3, wherein:
the absolute value of the rate of change of Δt1 is equal to or greater than the absolute value of the rate of change of Δt2.
5. The heating method of claim 4, wherein:
tai rises with time, tai=ta+Δt3×t2, where Δt3 is the rate of temperature increase (0.2-4.5) c/s, T2 is the time from the start of the third stage in s, and i is a natural number from 1.
6. The heating method of claim 5, wherein:
tbi rises over time, tbi=tb+Δt4×t2, where Δt4 is the rate of rise (0.1-2.5) deg.c/s, T2 is the time from the start of the third phase in s, i is a natural number starting from 1.
7. The heating method of claim 6, wherein:
and the duration of the second stage is 60-160s, and when Tyn is equal to Txn, the duration of the second stage is ended in advance.
8. The heating method of claim 7, wherein:
in the second phase, the heating element is raised from T1 to Tx or maintained at T1 for 2-15s and then continued to be raised to Ty.
9. The heating method of claim 8, wherein:
the duration of the third stage is 60-160s, and when Tai is equal to Tbi, the duration of the third stage is ended in advance.
10. A heating method according to any one of claims 1 to 9, wherein:
t1 is 250-350 ℃, and T1 is preferably 270 ℃.
11. The heating method of claim 9, wherein:
in the first stage, the heating element is maintained for no less than 5s after T1.
12. The heating method of claim 11, wherein:
the Ty temperature is not more than 400 ℃, preferably in the range of 350-390 ℃.
13. The heating method of claim 12, wherein:
and in the second stage, after being heated to Tx, the time for maintaining is not longer than 30s.
14. The heating method of claim 13, wherein:
the highest temperature in the third stage is not higher than 450 ℃, and the lowest temperature is not lower than T1.
15. The heating method of claim 14, wherein:
the electric power provided in the heating process of the first stage, the second stage and the third stage is continuous electric power;
the power provided in the cooling process of the second stage and the third stage is continuous or discontinuous power, so that the temperature is reduced.
16. A heating device applying the heating method according to any one of claims 1 to 15, characterized in that:
a heater comprising at least one heating element for heating the aerosol-generating substrate;
a power supply for powering the heating element;
and a control system for controlling the power supply to provide power to the heating element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310426861.5A CN116687072A (en) | 2023-04-19 | 2023-04-19 | Heating method and heating device |
| PCT/CN2024/087879 WO2024217390A1 (en) | 2023-04-19 | 2024-04-16 | Heating method and heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310426861.5A CN116687072A (en) | 2023-04-19 | 2023-04-19 | Heating method and heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116687072A true CN116687072A (en) | 2023-09-05 |
Family
ID=87839932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310426861.5A Pending CN116687072A (en) | 2023-04-19 | 2023-04-19 | Heating method and heating device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116687072A (en) |
| WO (1) | WO2024217390A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024217390A1 (en) * | 2023-04-19 | 2024-10-24 | 湖北中烟工业有限责任公司 | Heating method and heating apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI608805B (en) * | 2012-12-28 | 2017-12-21 | 菲利浦莫里斯製品股份有限公司 | Heated aerosol-generating device and method for generating aerosol with consistent properties |
| CN117122101A (en) * | 2017-11-30 | 2023-11-28 | 菲利普莫里斯生产公司 | Aerosol-generating device and method for controlling a heater of an aerosol-generating device |
| WO2020143038A1 (en) * | 2019-01-11 | 2020-07-16 | 惠州市吉瑞科技有限公司深圳分公司 | Heating method, heating assembly, and low-temperature cigarette |
| CN112369722B (en) * | 2020-05-08 | 2023-03-17 | 湖北中烟工业有限责任公司 | Heating non-combustion device and temperature control method |
| CN113142684A (en) * | 2021-04-13 | 2021-07-23 | 深圳麦克韦尔科技有限公司 | Heating control method and electronic atomization device |
| WO2022230322A1 (en) * | 2021-04-28 | 2022-11-03 | 日本たばこ産業株式会社 | Aerosol generation device, control method, and computer program |
| CN116687072A (en) * | 2023-04-19 | 2023-09-05 | 湖北中烟工业有限责任公司 | Heating method and heating device |
-
2023
- 2023-04-19 CN CN202310426861.5A patent/CN116687072A/en active Pending
-
2024
- 2024-04-16 WO PCT/CN2024/087879 patent/WO2024217390A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024217390A1 (en) * | 2023-04-19 | 2024-10-24 | 湖北中烟工业有限责任公司 | Heating method and heating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024217390A1 (en) | 2024-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11541193B2 (en) | Method for controlling temperature of heater of aerosol generation device for each interval and aerosol generation device for implementing same method | |
| KR102703197B1 (en) | Temperature control method, aerosol generating device and aerosol generating system | |
| EP3818860B1 (en) | Method for controlling temperature of heater and aerosol generating device performing same method | |
| CN108851242B (en) | Heating element temperature control method and device and electronic smoking system | |
| US20210186113A1 (en) | Method for preventing overshoot of heater in aerosol generation apparatus, and aerosol generation apparatus for implementing method | |
| CN106509998A (en) | Temperature control method and system of electronic atomization device | |
| CN111513365B (en) | Heating type aerosol generating device and method | |
| CN116687072A (en) | Heating method and heating device | |
| CN113170929B (en) | Atomization heating control method and device, aerosol generating device and storage medium | |
| CN104116138A (en) | Electronic cigarette and control method thereof | |
| CN113519918A (en) | Aerosol forming device, suction detection method thereof, and computer storage medium | |
| CN207355484U (en) | One kind heats non-burning electronic cigarette Cooker structure | |
| US20240196990A1 (en) | Apparatus for generating aerosols and method for cleaning the same | |
| CN107568806A (en) | A kind of two-part temperature control heating smoking set of low temperature cigarette | |
| JP2022119991A (en) | Method for controlling electric power of heater of aerosol generating apparatus with signal of certain frequency or less and aerosol generating apparatus using the same | |
| US20210204611A1 (en) | Method for controlling power of heater of aerosol generating apparatus which can be continuously used and aerosol generating apparatus thereof | |
| EP4023087A1 (en) | Heating-not-burning apparatus and temperature control method | |
| CN206314877U (en) | A kind of excellent dormancy hot-water warming mattress | |
| CN110211872A (en) | Diffusion process debugging method capable of improving over-temperature phenomenon of low-pressure diffusion furnace | |
| US12053028B2 (en) | Method of controlling temperature of heater of aerosol generating device and the aerosol generating device | |
| US12137748B2 (en) | Method for controlling temperature of heater and aerosol generating device performing same method | |
| CN113226081A (en) | Aerosol generating device and method of operating the same | |
| CN116649644A (en) | Method for improving smoking stability of heated cigarettes by adopting internal and external coupling heating method | |
| CN112471601A (en) | Multi-stage temperature control method, multi-stage heating apparatus, and computer-readable storage medium | |
| WO2024230562A1 (en) | Control method of aerosol generating device and aerosol generating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |