CN117243432A - Self-feedback heat control method for heating smoking set - Google Patents
Self-feedback heat control method for heating smoking set Download PDFInfo
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- CN117243432A CN117243432A CN202311475720.9A CN202311475720A CN117243432A CN 117243432 A CN117243432 A CN 117243432A CN 202311475720 A CN202311475720 A CN 202311475720A CN 117243432 A CN117243432 A CN 117243432A
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- side wall
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 380
- 230000000391 smoking effect Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 31
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 33
- 239000002918 waste heat Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 18
- 239000000523 sample Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 12
- 238000012937 correction Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000004907 flux Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019505 tobacco product Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 238000005457 optimization Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000012360 testing method Methods 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
- A24F40/50—Control or monitoring
- A24F40/57—Temperature control
-
- 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
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The invention provides a self-feedback heat control method for heating a smoking set, which relates to the technical field of heating non-combustion and comprises the following steps of: s1: starting a heating controller; s2: acquiring the real-time temperature of a heating body; s3: acquiring the electromotive force of the thermocouple to obtain the real-time temperature of the inner side wall of the heating cavity; s4: judging whether the heated cigarettes are inserted into the heating cavity or not, and if yes, executing S5; otherwise, not executing the operation; s5: and calculating the waste heat value of the heating cavity through the real-time temperature of the heating body and the inner side wall of the heating cavity, feeding back to the heating controller, and correcting the heating output of the heating body by the heating controller. According to the invention, the thermocouple is arranged between the heating body and the inner side wall of the heating cavity, the temperature of the inner side wall of the heating cavity can be obtained by obtaining the electromotive force generated by the thermocouple, and when the cigarette is heated, the heating output correction of the heating body is performed according to the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity, so that the proper temperature of smoke is ensured, and the user body suction experience is improved.
Description
Technical Field
The invention relates to the technical field of heating non-combustion, in particular to a self-feedback heat control method for heating a smoking set.
Background
The heated cigarette product is a novel tobacco product which is heated at about 200-350 ℃ and is not burnt, and substances such as flavor components in the aroma-producing material and nicotine in tobacco are required to be released by an external heating mode, so that smoke for smoking is generated. Because cigarettes are not subjected to high-temperature combustion and pyrolysis, harmful components in main stream smoke are greatly reduced, and pollution of environmental smoke is reduced, so that heating the cigarettes becomes one of the fastest-growing novel tobacco products in recent years.
However, when the heated cigarette is smoked, a certain heating temperature is required to be reached to release smoke and aroma substances, and in many cases, too high heating temperature can cause the increase of smoke and gas impurities, too low temperature can cause incomplete heating of cigarettes, and too low release amount of smoke and aroma, so that the heating temperature of the heated cigarette needs to be accurately controlled, for example, chinese patent invention patent No. 116965602A discloses a temperature control method, a device, a control circuit and an electronic smoking set of a smoking set heating body, wherein the smoking set heating body is used as a magnetic core in an electromagnetic coil, and the temperature control method of the smoking set heating body comprises the following steps: acquiring circuit information of a coupling circuit where the electromagnetic coil is located, wherein the circuit information is coupling frequency of the electromagnetic coil or current value of the coupling circuit; and according to the circuit information, adjusting the duty ratio corresponding to the energizing time length of the electromagnetic coil in the coupling circuit and the total working time length of the coupling circuit, and controlling the temperature of the heating body. The power-on duration of the electromagnetic coil and the duty ratio corresponding to the total working duration of the coupling circuit are controlled according to the obtained circuit information, so that the temperature of the heating element is controlled, the temperature of the heating element can be controlled more accurately according to the actual circuit condition, the real-time control of the temperature of the heating element is realized, the temperature of the heating element can be reduced under the condition that the smoking set works normally, and the user experience is improved.
However, the above-mentioned smoking set heating temperature control method still has the following disadvantages: when the heating smoking set is continuously sucked, the influence of heat residue is generated, namely, after the smoking set is finished in the previous suction period, heat is still remained in the smoking set, the heat residue is remained except an inductor, the heat residue is also remained on the inner side wall of the heating cavity, the temperature control device is designed on the heating body, only the temperature of the heating body is fed back, other temperature conditions in the smoking set can not be fed back, under the condition, the next suction is continuously performed, the heating body continuously heats, the whole temperature of the smoking set is overhigh, the temperature of smoke is overhigh, and the temperature of the outer surface of the smoking set is overhigh.
Therefore, in order to solve the above-mentioned problems, it is necessary to design a reasonably efficient self-feedback heat control method for heating a smoking set.
Disclosure of Invention
The invention aims to provide a self-feedback heat control method for heating a smoking set, wherein a thermocouple is arranged between a heating body and the inner side wall of a heating cavity, the thermocouple can generate heat flux under the temperature difference of two ends, namely electromotive force, the temperature of the inner side wall of the heating cavity can be obtained by obtaining the electromotive force, when a cigarette is heated, heating output correction of the heating body is carried out according to the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity, the temperature of smoke is prevented from being too high, the smoking set is prevented from being excessively scalded, and the smoking experience of a user body is improved.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the self-feedback heat control method for the heating smoking set is applicable to a self-feedback heat control structure of the heating smoking set, and comprises the heating smoking set provided with a heating cavity, a heating body arranged in the heating cavity and a thermocouple arranged between the inner side wall of the heating cavity and the heating body, wherein the thermocouple is electrically connected with a voltmeter, the heating body is electrically connected with a heating controller, and the voltmeter is electrically connected with the heating controller, and the method comprises the following steps of:
s1: acquiring a heating controller starting signal;
s2: acquiring the real-time temperature of a heating body;
s3: the electromotive force on the thermocouple is obtained through the voltmeter, and the temperature difference between the heating body and the inner side wall of the heating cavity is calculated, so that the real-time temperature of the inner side wall of the heating cavity is obtained;
s4: judging whether the heated cigarettes are inserted into the heating cavity or not, and if yes, executing a step S5; otherwise, not executing the operation;
s5: and calculating to obtain a heating cavity waste heat value through the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity, and feeding back the heating cavity waste heat value to a heating controller, wherein the heating controller corrects the heating output of the heating body.
As a preferable mode of the invention, a sealing cover for covering the opening of the heating cavity is arranged on the heating smoking set, the thermocouple is arranged on the sealing cover, one end of the thermocouple is connected with the inner side wall of the heating cavity, and the other end of the thermocouple is connected with the heating body;
when the step S4 is executed, judging whether the sealing cover is in an opened state and the heating cigarettes are inserted into the heating cavity, and if yes, executing the step S5; and otherwise, not executing the operation.
As a preferable mode of the invention, the voltmeter is arranged on the sealing cover, a signal emitter is arranged on the sealing cover, and the voltmeter is electrically connected with the heating controller through the signal emitter;
when the step S3 is executed, the signal transmitter sends the acquired reading of the voltmeter to the heating controller, the heating controller obtains electromotive force on the thermocouple, and the temperature difference between the heating body and the inner side wall of the heating cavity is calculated, so that the real-time temperature of the inner side wall of the heating cavity is obtained.
Preferably, the heating smoking set is provided with a pre-starting button, and the pre-starting button is electrically connected with the voltmeter;
when step S1 is executed, a heating controller start signal is acquired, and after a message of pressing a pre-start button is acquired, an electrical connection between the voltmeter and the thermocouple is established.
Preferably, the thermocouple is a flexible member; contact induction pieces are arranged at two ends of the thermocouple;
before executing step S1, when one end of the thermocouple is connected to the inner side wall of the heating cavity and the other end of the thermocouple is connected to the heating body, the contact sensing element at the end of the thermocouple sends a contact normal signal, and the contact normal signal is sent to the heating controller.
Preferably, the number of the thermocouples is at least one, and a plurality of thermocouples are uniformly distributed around the heating body;
and when the step S3 is executed, the electromotive forces on different thermocouples are obtained, so that the real-time temperature of the inner side walls of the heating cavity in different directions of the heating body is obtained.
As the preferable mode of the invention, when the step S5 is executed, the waste heat value of the heating cavity is obtained through calculation by the real-time temperature of the heating body and the real-time temperatures of the inner side walls of the heating cavity in different directions of the heating body, and is fed back to the heating controller, and the heating controller corrects the heating output of the heating body.
As the optimization of the invention, after obtaining the real-time temperature of the inner side walls of the heating cavity in different directions of the heating body, the invention further comprises:
judging whether the temperature difference of the real-time temperatures of the inner side walls of the heating cavity in different directions of the heating body is larger than a preset threshold value, if so, giving an alarm, otherwise, not executing the operation.
As a preferable mode of the invention, a temperature measuring probe is arranged in the heating body, and the temperature measuring probe is electrically connected with the heating controller;
and when the step S2 is executed, the temperature measuring probe acquires the real-time temperature of the heating body and sends the real-time temperature to the heating controller.
The self-feedback heat control method for heating the smoking set has the beneficial effects that: setting up the thermocouple between heating member and heating chamber inside wall, the thermocouple can produce the heat flux under the both ends difference in temperature, and electromotive force promptly can acquire heating chamber inside wall temperature through obtaining this electromotive force, when carrying out cigarette heating, carries out heating member heating output correction simultaneously according to heating member real-time temperature and heating chamber inside wall real-time temperature, ensures that flue gas temperature can not be too high, and the smoking set also can not excessively scald, improves user's body suction experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic illustration of a preparation flow of an embodiment of a self-feedback heat control method for heating a smoking article according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
In the following description, the terms "first," "second," and "first," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The following description provides various embodiments of the present application, and various embodiments may be substituted or combined, so that the present application is also intended to encompass all possible combinations of the same and/or different embodiments described. Thus, if one embodiment includes feature A, B, C and another embodiment includes feature B, D, then the present application should also be considered to include embodiments that include one or more of all other possible combinations including A, B, C, D, although such an embodiment may not be explicitly recited in the following.
The following description provides examples and does not limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements described without departing from the scope of the application. Various examples may omit, replace, or add various procedures or components as appropriate. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Furthermore, features described with respect to some examples may be combined into other examples.
Embodiment one: referring to fig. 1, which is only one embodiment of the present invention, the self-feedback heat control method for heating a smoking set of the present invention is suitable for a self-feedback heat control structure of a heating smoking set, and the structure comprises a heating smoking set provided with a heating cavity, a heating body arranged in the heating cavity, and a thermocouple arranged between the inner side wall of the heating cavity and the heating body, wherein the thermocouple is electrically connected with a voltmeter, the heating body is electrically connected with a heating controller, the voltmeter is electrically connected with the heating controller,
in the self-feedback heat control structure of the heating smoking set, the heating smoking set is provided with the heating cavity, the heating body is arranged in the heating cavity and is electrically connected with the heating controller, the heating cigarette is inserted into the heating cavity, after the heating body is inserted into the heating cigarette, the heating controller controls current output, so that the heating body heats the heating cigarette, the heating cigarette reaches a preset temperature, and the aerogel in the heating cigarette is excited to release to generate smoke and aroma for a smoker to suck.
On the basis, in the invention, a thermocouple is arranged between the inner side wall of the heating cavity and the heating body. The thermocouple is connected with the voltmeter electricity, and it is noted that the thermocouple is the filament form, and the one end contact of thermocouple is connected to the heating chamber inside wall, and the other end contact of thermocouple is connected to the lateral wall of heating member.
If there is a temperature difference between the inner side wall of the heating cavity and the heating body, there is a temperature difference between two ends of the thermocouple, and there is a heat flux between the two ends of the thermocouple, that is, a potential difference is generated, and the potential difference is output to the voltmeter to be measured by the voltmeter, and the temperature difference value between the two ends of the thermocouple can be obtained through the measurement reading of the voltmeter and the heat flux performance of the thermocouple, so that the voltmeter and the thermocouple form a heat flow sensor (heat flux sensor, also referred to as a heat flow sensor and a heat flow meter).
It should be explained that: heat flow sensor (heat flux transduser; HFT): means for measuring the heat flux density through itself by creating a temperature differential across a sheet of material having a determined thermal resistance. Its output potential (V) is proportional to the heat flux density (q) through the sensor; the heat flow sensor consists of a sensing part, a display part and a connecting wire; the thermocouple in the invention is a sensing part of the heat flow sensor, and the voltmeter is a display part of the heat flow sensor.
Of course, the voltmeter is electrically connected with the heating controller, and the potential difference value measured by the voltmeter at the thermocouple position can be sent to the heating controller.
After the potential difference over the thermocouple is obtained, the temperature difference between the inner side wall of the heating chamber and the heating body can be obtained, and the temperature value of the inner side wall of the heating chamber can be calculated with the temperature of the heating body known.
The method comprises the following steps:
s1: acquiring a heating controller starting signal;
firstly, the two ends of the thermocouple can be respectively connected with the inner side wall of the heating cavity and the heating body in a contact way, the thermocouple can be used for measuring the temperature difference, the heating controller is also ensured to be electrically connected with each element normally, the power supply and output functions of the heating controller are normal, the starting signal of the heating controller can be obtained, and the heating smoking set of the invention is ensured to work normally in the step S1.
Of course, the thermocouple is a flexible piece; contact induction pieces are arranged at two ends of the thermocouple;
before executing step S1, when one end of the thermocouple is connected to the inner side wall of the heating cavity and the other end of the thermocouple is connected to the heating body, the contact sensing element at the end of the thermocouple sends a contact normal signal, and the contact normal signal is sent to the heating controller.
S2: the heating controller obtains the real-time temperature of the heating body;
a temperature measuring probe is arranged in the center of the inner side of the heating body and is electrically connected with the heating controller;
when the step S2 is executed, the temperature measuring probe acquires the real-time temperature of the heating body and sends the real-time temperature to the heating controller, the heating controller knows the real-time temperature of the heating body,
s3: the electromotive force on the thermocouple is obtained through the voltmeter, and the temperature difference between the heating body and the inner side wall of the heating cavity is calculated, so that the real-time temperature of the inner side wall of the heating cavity is obtained;
of course, before executing step S3, parameters such as the material and thickness of the thermocouple need to be obtained, so as to obtain the thermal conductivity of the thermocouple, and the temperature difference value at two ends of the thermocouple can be obtained through the measurement reading (electric potential difference) of the voltmeter and the thermal conductivity (known) of the thermocouple, namely, the temperature difference value between the inner side wall of the heating cavity and the heating body is obtained.
On the premise that the real-time temperature of the heating body is measured in the step S2, the real-time temperature of the inner side wall of the heating cavity can be obtained through the temperature difference value between the inner side wall of the heating cavity and the heating body.
S4: judging whether the heated cigarettes are inserted into the heating cavity or not, and if yes, executing a step S5; otherwise, not executing the operation;
at this time, if the heating cigarette is inserted into the heating cavity, the step S5 may be executed to heat the heating cigarette, and if the heating cigarette is not inserted into the heating cavity, the heating is not performed, and the step S2 is returned to, and the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity are obtained every time a period of time.
When the heated cigarettes are inserted into the heating cavity, the latest real-time temperature of the heating body and the latest real-time temperature of the inner side wall of the heating cavity can be obtained, and when the step S5 is executed, accurate heating control can be performed according to the latest heat in the heating cavity.
S5: and calculating to obtain a heating cavity waste heat value through the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity, and feeding back the heating cavity waste heat value to a heating controller, wherein the heating controller corrects the heating output of the heating body.
On the premise that the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity are obtained, the heating controller can correct the heating output of the heating body according to the target temperature required to be smoked when the cigarettes are heated.
In general, in the preparation of a heating smoking set, multiple tests are required to be performed on the heating smoking set, when the real-time temperature x of a heating body and the real-time temperature y of the inner side wall of a heating cavity are used, a heating cigarette is heated to a temperature z, a heating controller is used for heating an output value W of the heating body, the influence of x, y and z on the W is tested, a waste heat-output correction table is generated, and when the heating cigarette is heated, the heating controller obtains the real-time temperature of the heating body, the real-time temperature of the inner side wall of the heating cavity and the heating target temperature of the heating cigarette, and then the heating output value of the heating body can be obtained according to the waste heat-output correction table.
In a word, compared with the prior art, the invention only carries out heating output correction according to the temperature of the heating body, also obtains the temperature value of the inner side wall of the heating cavity, can better obtain the heat distribution in the whole heating cavity, realizes multi-point temperature control, and simultaneously feeds back to the heating controller through the temperature of the heating body and the temperature of the inner side wall of the heating cavity, and the heating controller corrects the heating output of the heating body.
Embodiment two: referring still to fig. 1, in one embodiment of the present invention, based on the first embodiment, a self-feedback heat control method for heating a smoking set according to the present invention further comprises the following control design:
in the invention, if the thermocouple is fixedly arranged in the heating cavity, a pre-starting button is arranged on the heating smoking set, and the pre-starting button is electrically connected with the voltmeter;
so that when the step S1 is executed, the normal operation of the thermocouple and the heating controller is ensured, and after the message of pressing the pre-start button is acquired, the electric connection between the voltmeter and the thermocouple is established.
Generally, just before the heated cigarette is inserted into the heating cavity, that is, when a smoker wants to smoke the heated cigarette, the pre-start button is actively pressed, and an electric connection between the voltmeter and the thermocouple is established in the heating smoking set, so that the voltmeter can acquire the potential difference of the thermocouple at the moment, and the temperature of the inner side wall of the heating cavity can be measured.
Correspondingly, after the heating cigarettes are inserted into the heating cavity, the heating body can be heated, the temperature of the heating body is high, but the temperature of the inner side wall of the heating cavity is slowly increased, in order to prevent the voltmeter from being damaged due to overlarge temperature difference between the inner side wall of the heating cavity and the heating body, after the heating cigarettes are inserted into the heating cavity, when the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity are measured, the pre-starting button automatically bounces off, and the voltmeter is disconnected from the thermocouple.
In the invention, if the thermocouple is not fixedly arranged in the heating cavity, the thermocouple and the heating cavity can be arranged separately, a sealing cover for covering the opening of the heating cavity is arranged on the heating smoking set, the thermocouple is arranged on the sealing cover, one end of the thermocouple is connected with the inner side wall of the heating cavity, and the other end of the thermocouple is connected with the heating body;
in fact, the thermocouple is arranged on one side of the sealing cover close to the bottom of the heating cavity through the extending column;
that is, when the sealing cover is covered at the opening of the heating cavity, the extension column on the sealing cover is inserted into the heating cavity, so that the two ends of the thermocouple are respectively in contact connection with the inner side wall of the heating cavity and the heating body, the potential difference of the thermocouple can be obtained in real time, and the temperature difference between the inner side wall of the heating cavity and the heating body is obtained; when the suction is required, the cover needs to be detached, and the thermocouple is separated along with the cover, so that the thermocouple and the voltmeter are not damaged by the high temperature heated by the heating body.
When the step S4 is executed, judging whether the sealing cover is in an opened state and the heating cigarettes are inserted into the heating cavity, and if yes, executing the step S5; and otherwise, not executing the operation.
In the invention, the voltmeter is arranged on the sealing cover, and a signal transmitter is arranged on the sealing cover, and the voltmeter is electrically connected with the heating controller through the signal transmitter;
when the step S3 is executed, the signal transmitter sends the acquired reading of the voltmeter to the heating controller, the heating controller obtains electromotive force on the thermocouple, and the temperature difference between the heating body and the inner side wall of the heating cavity is calculated, so that the real-time temperature of the inner side wall of the heating cavity is obtained.
As one embodiment of the invention, the number of the thermocouples is at least one, and a plurality of thermocouples are uniformly distributed around the heating body;
when the step S3 is executed, the electromotive forces on different thermocouples are obtained, so that the real-time temperature of the inner side walls of the heating cavity in different directions of the heating body is obtained;
and after obtaining the real-time temperature of the inner side wall of the heating cavity in different directions of the heating body, the method further comprises the following steps:
judging whether the temperature difference of the real-time temperatures of the inner side walls of the heating cavity in different directions of the heating body is larger than a preset threshold value, if so, giving an alarm, otherwise, not executing the operation. That is, in the inner side walls of the heating chamber in different directions of the heating body, the temperature difference between the region with the highest temperature and the region with the lowest temperature cannot be larger than a predetermined threshold, if the temperature difference is larger than the predetermined threshold, it is indicated that the heat dissipation in the heating chamber is extremely uneven, even abnormal heat source interference exists, so that the heating is difficult to control.
And when the step S5 is executed, calculating to obtain a heating cavity waste heat value through the real-time temperature of the heating body and the real-time temperature of the inner side walls of the heating cavity in different directions of the heating body, feeding back the heating cavity waste heat value to the heating controller, and correcting the heating output of the heating body by the heating controller.
According to the self-feedback heat control method for heating the smoking set, the thermocouple is arranged between the heating body and the inner side wall of the heating cavity, heat flux, namely electromotive force, is generated by the thermocouple under the temperature difference of the two ends, the temperature of the inner side wall of the heating cavity can be obtained by obtaining the electromotive force, when the smoking set is heated, heating output correction of the heating body is carried out according to the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity, the temperature of smoke is prevented from being too high, the smoking set is prevented from being excessively scalded, and the smoking experience of a user body is improved.
The foregoing is merely exemplary embodiments of the present disclosure and is not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a scope and spirit of the disclosure being indicated by the claims.
Claims (9)
1. The self-feedback heat control method for the heating smoking set is applicable to a self-feedback heat control structure of the heating smoking set, and comprises the heating smoking set provided with a heating cavity, a heating body arranged in the heating cavity and a thermocouple arranged between the inner side wall of the heating cavity and the heating body, wherein the thermocouple is electrically connected with a voltmeter, the heating body is electrically connected with a heating controller, and the voltmeter is electrically connected with the heating controller;
the method is characterized by comprising the following steps:
s1: acquiring a heating controller starting signal;
s2: acquiring the real-time temperature of a heating body;
s3: the electromotive force on the thermocouple is obtained through the voltmeter, and the temperature difference between the heating body and the inner side wall of the heating cavity is calculated, so that the real-time temperature of the inner side wall of the heating cavity is obtained;
s4: judging whether the heated cigarettes are inserted into the heating cavity or not, and if yes, executing a step S5; otherwise, not executing the operation;
s5: and calculating to obtain a heating cavity waste heat value through the real-time temperature of the heating body and the real-time temperature of the inner side wall of the heating cavity, and feeding back the heating cavity waste heat value to a heating controller, wherein the heating controller corrects the heating output of the heating body.
2. A self-feedback thermal control method for heating a smoking article according to claim 1, wherein:
the heating smoking set is provided with a sealing cover for covering the opening of the heating cavity, the thermocouple is arranged on the sealing cover, one end of the thermocouple is connected with the inner side wall of the heating cavity, and the other end of the thermocouple is connected with the heating body;
when the step S4 is executed, judging whether the sealing cover is in an opened state and the heating cigarettes are inserted into the heating cavity, and if yes, executing the step S5; and otherwise, not executing the operation.
3. A self-feedback thermal control method for heating a smoking article according to claim 2, wherein:
the voltmeter is arranged on the sealing cover, a signal emitter is arranged on the sealing cover, and the voltmeter is electrically connected with the heating controller through the signal emitter;
when the step S3 is executed, the signal transmitter sends the acquired reading of the voltmeter to the heating controller, the heating controller obtains electromotive force on the thermocouple, and the temperature difference between the heating body and the inner side wall of the heating cavity is calculated, so that the real-time temperature of the inner side wall of the heating cavity is obtained.
4. A self-feedback thermal control method for heating a smoking article according to claim 1, wherein:
a pre-starting button is arranged on the heating smoking set and is electrically connected with the voltmeter;
when step S1 is executed, a heating controller start signal is acquired, and after a message of pressing a pre-start button is acquired, an electrical connection between the voltmeter and the thermocouple is established.
5. A self-feedback thermal control method for heating a smoking article according to claim 1, wherein:
the thermocouple is a flexible piece; contact induction pieces are arranged at two ends of the thermocouple;
before executing step S1, when one end of the thermocouple is connected to the inner side wall of the heating cavity and the other end of the thermocouple is connected to the heating body, the contact sensing element at the end of the thermocouple sends a contact normal signal, and the contact normal signal is sent to the heating controller.
6. A self-feedback thermal control method for heating a smoking article according to claim 1, wherein:
the number of the thermocouples is at least one, and a plurality of thermocouples are uniformly distributed around the heating body;
and when the step S3 is executed, the electromotive forces on different thermocouples are obtained, so that the real-time temperature of the inner side walls of the heating cavity in different directions of the heating body is obtained.
7. The method of self-feedback thermal control for heating a smoking article of claim 6, wherein:
after obtaining the real-time temperature of the inner side wall of the heating cavity in different directions of the heating body, the method further comprises the following steps:
judging whether the temperature difference of the real-time temperatures of the inner side walls of the heating cavity in different directions of the heating body is larger than a preset threshold value, if so, giving an alarm, otherwise, not executing the operation.
8. The method of self-feedback thermal control for heating a smoking article of claim 6, wherein:
and when the step S5 is executed, calculating to obtain a heating cavity waste heat value through the real-time temperature of the heating body and the real-time temperature of the inner side walls of the heating cavity in different directions of the heating body, feeding back the heating cavity waste heat value to the heating controller, and correcting the heating output of the heating body by the heating controller.
9. A self-feedback thermal control method for heating a smoking article according to claim 1, wherein:
a temperature measuring probe is arranged in the heating body and is electrically connected with the heating controller;
and when the step S2 is executed, the temperature measuring probe acquires the real-time temperature of the heating body and sends the real-time temperature to the heating controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311475720.9A CN117243432A (en) | 2023-11-08 | 2023-11-08 | Self-feedback heat control method for heating smoking set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311475720.9A CN117243432A (en) | 2023-11-08 | 2023-11-08 | Self-feedback heat control method for heating smoking set |
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| Publication Number | Publication Date |
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| CN117243432A true CN117243432A (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311475720.9A Pending CN117243432A (en) | 2023-11-08 | 2023-11-08 | Self-feedback heat control method for heating smoking set |
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| Country | Link |
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| CN (1) | CN117243432A (en) |
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- 2023-11-08 CN CN202311475720.9A patent/CN117243432A/en active Pending
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