CN111329130A - Heating non-combustion cigarette based on non-uniform heating control - Google Patents
Heating non-combustion cigarette based on non-uniform heating control Download PDFInfo
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- CN111329130A CN111329130A CN202010238102.2A CN202010238102A CN111329130A CN 111329130 A CN111329130 A CN 111329130A CN 202010238102 A CN202010238102 A CN 202010238102A CN 111329130 A CN111329130 A CN 111329130A
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Abstract
The invention discloses a non-uniform heating control-based non-combustible heating cigarette, which comprises a cigarette shell body, a heating assembly, a heating control system and a battery assembly, wherein the cigarette shell body is provided with a heating cavity; wherein, a heater is arranged in the cigarette case body; the heating assembly is arranged in the heater, a heating space for penetrating cigarettes is arranged in the heating assembly, and two or more heating parts are arranged on the heating assembly at intervals; the heating control system is arranged in the cigarette case body, is connected with the heating assembly and is used for controlling the heating part to independently supply heat in a partial area and/or a time-sharing period; the battery pack is arranged in the cigarette case body and is connected with the heating control system. The non-uniform heating control-based non-combustible cigarette provided by the invention realizes non-uniform heating of different areas of cigarettes, and avoids harmful substances generated by excessive heating of the cigarettes in the early stage, and the influence on smoking taste due to non-uniform smoke release.
Description
Technical Field
The invention relates to the technical field of heating non-combustible cigarettes, in particular to a heating non-combustible cigarette based on non-uniform heating control.
Background
The cigarette is heated to realize smoking. In the prior art, the mouth feel of the cigarette which is not combusted by heating has a great difference with the mouth feel of the traditional cigarette. Different from the traditional cigarette, the cigarette is not burnt by heating designed by taking the idea of heating not burning, so that the tobacco material is just heated to the degree of giving out smoke gas, and the tobacco material is not ignited. Generally, when the traditional cigarette is ignited for smoking, a plurality of harmful substances are generated at a high temperature of more than 800 ℃, and when the cigarette is heated without combustion, the heating temperature is generally below 350 ℃, and the harmful substances are obviously reduced. However, the current tobacco roasting tool cannot effectively regulate and control the roasting temperature in the heating process, and is easy to overheat the cigarettes too early, destroy the taste of the cigarettes and enable smokers to inhale more harmful substances. In view of this, the design and manufacture of the cigarette heating and non-combustion system with good temperature control effect is very important in the production of cigarette heating and non-combustion.
Disclosure of Invention
The invention aims to provide a non-combustion heating cigarette based on non-uniform heating control, which aims to solve the problems in the prior art, realize non-uniform heating of cigarettes, reasonably adjust the accumulated heating process of tobacco materials in the whole working stage, avoid the problems of increase of harmful substances, poor consistency of smoke and the like caused by too early excessive heating of the cigarettes, improve the energy utilization effect and reduce the heat dissipation.
The invention provides a non-combustible cigarette based on non-uniform heating control, which comprises the following components:
the cigarette case comprises a cigarette case body, wherein a heater is arranged in the cigarette case body;
the heating assembly is arranged in the heater, a heating space for penetrating cigarettes is arranged in the heating assembly, and one or more than two heating parts are arranged on the heating assembly at intervals;
the heating control system is arranged in the cigarette case body, is connected with the heating assembly and is used for controlling the heating part area and/or independently supplying heat at different time intervals;
and the battery component is arranged in the cigarette case body and is connected with the heating control system.
The cigarette is not combusted through heating based on nonuniform heating control, wherein preferably, the heating assembly comprises a heat pipe, a first heating sheet and a second heating sheet, the first heating sheet and the second heating sheet are arranged on the outer side wall of the heat pipe at intervals, the heat pipe forms the heating space, and the first heating sheet and the second heating sheet are arranged on the heat pipe to form the heating part.
The heating based on the non-uniform heating control for non-combustion cigarette as described above, wherein it is preferable that an insulation assembly is further included, the insulation assembly being disposed at an outer side of the heating assembly.
The cigarette is not combusted through heating based on non-uniform heating control, preferably, the heat insulation assembly sequentially comprises a vacuum tube layer, a heat insulation cotton layer and a heat insulation tube layer from inside to outside, the vacuum tube layer is sleeved outside the heat conduction tube, and the first heating piece and the second heating piece are arranged between the vacuum tube layer and the heat conduction tube.
The cigarette is not heated and combusted based on the non-uniform heating control, wherein preferably, the cigarette case body is provided with an air inlet and an air outlet, and the air inlet and the air outlet are respectively arranged at two ends of the heater.
The cigarette is not heated and combusted based on the nonuniform heating control, wherein preferably, the heater comprises a support component, one end of the heating component far away from the air outlet is fixedly connected with the support component, an airflow channel is arranged in the support component, and two ends of the airflow channel are respectively communicated with the heated space and the air inlet.
The heating-non-combustion cigarette based on the non-uniform heating control as described above, wherein it is preferable that an air inlet plug is further included, the air inlet plug being detachably provided in the air inlet.
The heating-non-combustion cigarette based on the non-uniform heating control as described above, wherein it is preferable that the heating control system includes a timing unit and a controller;
the timing unit is used for judging whether the heating time of the first heating piece reaches or exceeds a first time, and if so, sending a first time signal; the controller controls the first heating sheet to stop heating according to the first time signal;
the timing unit is also used for judging whether the heating time of the second heating sheet reaches or exceeds the preset time of the first stage, and if so, a second time signal is sent out; the controller controls the second heating unit to stop heating according to the second time signal;
the timing unit is also used for judging whether the heating time length of the second heating sheet reaches or exceeds the second time length, and if so, a third time signal is sent out; the controller controls the second heating sheet to stop heating according to the third time signal and controls the first heating sheet to heat the cigarettes;
the timing unit is also used for judging whether the heating time of the first heating sheet reaches or exceeds the preset time of the second stage, and if so, a fourth time signal is sent out; and the controller controls the first heating sheet to stop heating according to the fourth time signal.
The cigarette is not heated and combusted based on the nonuniform heating control, wherein the heating control system preferably further comprises an inlet air temperature detection module and an outlet air temperature detection module, the inlet air temperature detection module is arranged on the air inlet, and the outlet air temperature detection module is arranged on the air outlet;
before the heater works, the air inlet temperature detection module is used for detecting whether the temperature at the air inlet reaches or exceeds a prepared air inlet temperature value, and if so, a first air inlet temperature signal is sent out; if not, sending a second air inlet temperature signal;
the controller is used for setting the first-stage preset time length as a first preset time length of a first stage according to the first inlet air temperature signal;
the controller is further used for setting the first-stage preset time length as a second preset time length of the first stage according to the second inlet air temperature signal, wherein the second preset time length is greater than or equal to the first preset time length;
during the working period of the heater, the air inlet temperature detection module is used for detecting whether the temperature at the air inlet reaches or exceeds a working air inlet temperature value, and if so, a third air inlet temperature signal is sent out;
and the controller stops heating the first heating sheet and the second heating sheet according to the third air inlet temperature signal.
The air outlet temperature detection module is used for detecting whether the temperature at the air outlet reaches or exceeds a preset air outlet temperature value, and if so, sending an air outlet temperature signal;
the controller stops the first heating sheet and the second heating sheet from heating according to the air outlet temperature signal.
The cigarette is not combusted through heating based on non-uniform heating control, wherein preferably, the heating control system further comprises a first temperature detection module and a second temperature detection module, the first temperature detection module is connected with the first heating sheet, and the second temperature detection module is connected with the second heating sheet.
The non-uniform heating control-based non-combustible heating cigarette provided by the invention realizes non-uniform heating of different areas of cigarettes in different stages of a smoking process, reasonably adjusts the cumulative heating process of tobacco materials in the whole working stage, effectively avoids the problems of increase of harmful substances, poor consistency of smoke and the like caused by too early excessive heating of the cigarettes and influences the smoking taste; and the non-uniform heating control can also improve the energy utilization effect and reduce the heat dissipation.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a non-burning cigarette heated based on non-uniform heating control according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a heating assembly;
FIG. 3 is a schematic view of the heating assembly and the insulating assembly in cooperation;
fig. 4 is a schematic view of heating temperature changes of the first heat generating sheet and the second heat generating sheet in the working process.
Description of reference numerals:
100-cigarette case body 110-air outlet 120-air inlet
121-air inlet plug 130-rotary cover 140-cigarette clamping clip
200-heating element 210-heat pipe 211-heat receiving space
220-first heating sheet 230-second heating sheet 300-heating control system
400-battery assembly 500-support assembly 510-connector
520-protective member 530-airflow passage 600-insulation assembly
610-vacuum tube layer 620-heat insulation cotton layer 630-heat insulation tube layer
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
As used in this disclosure, "first", "second": and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be intervening components between the specific component and the first component or the second component. When it is described that a specific component is connected to other components, the specific component may be directly connected to the other components without having an intervening component, or may be directly connected to the other components without having an intervening component.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
As shown in fig. 1 to 4, an embodiment of the present invention provides a non-combustible heated cigarette based on non-uniform heating control, which includes a cigarette case body 100, a heating assembly 200, a heating control system 300, and a battery assembly 400; wherein, a heater is arranged in the cigarette case body 100; the heating assembly 200 is arranged in the heater, the heating assembly 200 is provided with a heating space 211 for penetrating the cigarette, the heating assembly 200 can be provided with one or two or more heating parts at intervals, and preferably two heating parts are arranged in the embodiment; the heating control system 300 is arranged in the cigarette case body 100, and the heating control system 300 is connected with the heating assembly 200 and is used for controlling the heating part area and/or time-sharing independent heat supply; the battery assembly 400 is disposed in the smoke case body 100, and the battery assembly 400 is connected to the heating control system 300.
The cigarette heating device comprises a cigarette heating device, a control device and a control system, wherein the heating device is used for heating different regions on the cigarette respectively, and the heating device is used for heating one region or a plurality of different regions on the cigarette in different time periods.
When the heating non-combustion cigarette is used, a cigarette can be inserted into the heating space 211 of the heating assembly 200, and as the heating assembly 200 is provided with two or more heating parts at intervals, the cigarette is provided with two or more mutually-spaced heating areas, and each heating area corresponds to one heating part; then, the heating control system 300 can be started to respectively and independently control the heating parts to supply heat, and respectively control the heating parts according to different time periods so as to realize the non-uniform heating of different heated areas on the cigarettes in different time periods, thereby effectively avoiding the problems of increase of harmful substances, poor consistency of smoke generation and the like caused by too early excessive heating of the cigarettes and influencing the smoking taste; and the non-uniform heating control can also improve the energy utilization effect and reduce the heat dissipation.
Wherein, when the heating portion has a plurality ofly, also can only make partly heating portion participate in work, and all the other heating portions do not participate in work all the time to also can realize the inhomogeneous heating to a cigarette, reach the purpose of avoiding a cigarette excessive heating.
Specifically, the heating assembly 200 includes a heat pipe 210, a first heat generating fin 220 and a second heat generating fin 230, the first heat generating fin 220 and the second heat generating fin 230 are disposed on an outer sidewall of the heat pipe 210 at intervals, the heat receiving space 211 is formed in the heat pipe 210, and the positions of the first heat generating fin 220 and the second heat generating fin 230 on the heat pipe 210 form the heating portions.
The heating control system 300 can respectively control the first heat generating sheet 220 or the second heat generating sheet 230 to independently heat, and the heat conducting pipe 210 can conduct heat to cigarettes in the heated space 211, so that heating of the cigarettes is realized.
It should be noted that the heat pipe 210 may be a hard aluminum pipe, the first heat generating sheet 220 and the second heat generating sheet 230 may be both MEMS micro-heater heat generating sheets, or may be ceramic heat generating sheets, polyimide film heat generating sheets, HIC metal thick film heat generating sheets, and the like, in this embodiment, the MEMS micro-heater heat generating sheets are preferred, and the two heat generating sheets may be symmetrically disposed on the outer wall of the heat pipe 210, and specifically may be bonded on the heat pipe 210 by a heat conducting glue. Wherein, the piece that generates heat can make the stereoplasm aluminum pipe raise the temperature, realizes the purpose that low temperature is incombustible, can carry out effectual control to the temperature of toasting the cigarette. In addition, the heat conduction coefficient of stereoplasm aluminum pipe is high, can conduct the cigarette in the space 211 that is heated with the heat fast to toast the heating and volatilize the flue gas to a cigarette. The resistance of the heating sheet may be 0.5-1.1 ohm, the wall thickness of the heat pipe 210 may be 0.05 mm-0.5 mm, and in this embodiment, the wall thickness of the heat pipe 210 is preferably 0.1 mm-0.2 mm.
In addition, the heating sheet can be a cuboid sheet structure and has a radian matched with the surface of the heat conduction pipe 210, and the ratio of the length of the heating sheet to the length of the heat conduction pipe 210 can be 0.5-1.5; the width of the heat generating sheet is smaller than the outer diameter of the heat pipe 210, preferably 0.3 to 0.6 times the outer diameter of the heat pipe 210.
Further, in order to prevent a large portion of heat from being transferred to the housing to cause a bad feeling to a user, the heated non-burning cigarette further includes an insulation assembly 600, and the insulation assembly 600 is disposed outside the heating assembly 200.
Specifically, this thermal-insulated subassembly 600 can be vacuum thermal-insulated subassembly 600, and this thermal-insulated subassembly 600 includes vacuum tube layer 610, thermal-insulated cotton layer 620 and thermal-insulated tube layer 630 from inside to outside in proper order promptly, vacuum tube layer 610 cover is established outside the heat pipe 210, make first heating plate 220 with second heating plate 230 sets up between vacuum tube layer 610 and heat pipe 210.
When the temperature of the inner wall of the vacuum tube layer 610 reaches 220 ℃, the temperature of the outer wall of the vacuum tube layer 610 is about 90-100 ℃, and when the temperature of the inner part of the heat insulation cotton layer 620 reaches 220 ℃, the temperature of the outer wall of the heat insulation surface layer is about 60-70 ℃; in addition, the heat insulation cotton is aluminum foil heat insulation cotton, and the heat insulation pipe is a plastic heat insulation pipe, so that heat insulation can be effectively performed through the cooperation of the vacuum pipe layer 610, the heat insulation cotton layer 620 and the heat insulation pipe layer 630, and the temperature of the heated space 211 is ensured to be kept in a proper temperature range.
Further, the smoke housing body 100 is provided with an air inlet 120 and an air outlet 110, and the air inlet 120 and the air outlet 110 are respectively arranged at two ends of the heater.
The heater comprises a supporting component 500, wherein one end of the heating component 200, which is far away from the air outlet 110, is fixedly connected with the supporting component 500, an air flow channel 530 is arranged in the supporting component 500, and two ends of the air flow channel 530 are respectively communicated with the heated space 211 and the air inlet 120.
Wherein, the aerosol that cigarette thermal decomposition produced can flow from gas outlet 110, if gas inlet 120 seals, heated space 211 can be because of gaseous not circulation and gather a large amount of heats, easily causes cigarette excessive heat and produces harmful gas. Therefore, in the process of smoking, the air inlet 120 can be opened and conducted, air can enter the heated space 211 from the outside of the cigarette case body 100 through the air inlet 120, so that excessive heat accumulation is avoided, and the heating control system 300 can effectively regulate and control the heating of cigarettes to prevent harmful substances from being generated.
In addition, a structure functioning as a check valve is provided in the air flow path 530, and the check valve can control the air flowing from the air inlet 120 to the heater during suction, but the heated air in the heater cannot flow reversely to the air inlet 120.
Specifically, the support assembly 500 includes a connector 510 and a protector 520, one end of the connector 510 is fixedly embedded on the protector 520, and the other end of the connector 510 is fixedly sleeved with the heat pipe 210, so that the connector 510, the protector 520 and the heating assembly 200 can be pre-assembled into an integral structure and integrally installed in the heater of the cigarette case body 100; meanwhile, since the heat generating fins are fixed to the outer wall of the heat pipe 210, the protecting member 520 can protect the end portions of the heat generating fins and the hard aluminum pipe to prevent collision.
Further, the cigarette without heating and burning further comprises an air inlet plug 121, and the air inlet plug 121 is detachably disposed in the air inlet 120.
When the cigarette is not heated and not burned, the air inlet plug 121 can be plugged into the air inlet 120 to prevent foreign dust and the like from entering, and the cleanliness of the airflow channel 530 is ensured. In addition, the airflow channel 530 can be cleaned after the air inlet plug 121 is detached, so that the cleaning operation is convenient. Wherein, the air inlet plug 121 may be provided with an opening, so that during the suction process, air may enter the heater through the opening of the air inlet plug 121. In addition, a filter screen can be arranged at the pore passage on the air inlet plug 121, so that impurities are prevented from entering the air inlet plug during the suction process.
Further, the heating control system 300 includes a timing unit and a controller.
Specifically, the timing unit is configured to determine whether a heating duration of the first heating element 220 reaches or exceeds a first duration, and if so, send a first time signal; the controller controls the first heat generating fin 220 to stop heating according to the first time signal.
The timing unit is further configured to determine whether the heating duration of the second heating sheet 230 reaches or exceeds a first-stage preset duration, and if so, send a second time signal; the controller controls the second heating unit to stop heating according to the second time signal.
The timing unit is further configured to determine whether the heating duration of the second heating sheet 230 reaches or exceeds the second duration, and if so, send a third time signal; the controller controls the second heating sheet 230 to stop heating according to the third time signal, and controls the first heating sheet 220 to heat the cigarette.
The timing unit is further configured to determine whether the time duration for heating the first heat generating sheet 220 reaches or exceeds a preset time duration in the second stage, and if so, send a fourth time signal; the controller controls the first heat generating fin 220 to stop heating according to the fourth time signal.
The cigarette is not combusted through heating based on non-uniform heating control, wherein preferably, the heating control system further comprises a first temperature detection module and a second temperature detection module, the first temperature detection module is connected with the first heating sheet, and the second temperature detection module is connected with the second heating sheet. The temperature detection module detects the temperature of the heating sheet continuously.
In one specific embodiment, as shown in fig. 4, the heating control system 300 can control the temperature of the cigarette without burning according to the following control method:
step S1, the controller controls the first heat-generating strip 220 and the second heat-generating strip 230 to heat the cigarette in the first stage.
Step S2, determining whether the heating time of the first heating plate 220 reaches or exceeds the first time t by the timing unit1(ii) a If so, the process proceeds to step S3.
In step S3, the controller stops heating the first heat generating sheet 220 and keeps the second heat generating sheet 230 heated.
Step S4, determining whether the heating duration of the second heat generating sheet 230 reaches or exceeds the first stage preset duration; if yes, go to step S5; if not, the second heat generating sheet 230 is kept to continue heating.
Step S5, the heating of the second heat generating sheet 230 is stopped.
Therefore, the cigarettes are respectively and independently heated in different periods through the first heating sheet 220 and the second heating sheet 230, the preheating of the cigarettes before smoking is completed, and meanwhile, the situation that harmful substances are generated due to the fact that the cigarettes are excessively heated and the subsequent smoking taste is influenced can be avoided.
In step S6, the controller activates the second heat generating sheet 230 to perform the second stage heating.
Wherein, the first stage is a cigarette preheating stage, and the second stage is a user smoking stage.
Step S7, detecting whether the temperature of the first heating sheet is less than a third temperature value T3; if yes, go to step S8; if not, the flow proceeds to step S9.
The third temperature value may be 170 to 230 ℃, and is preferably 210 ℃ in this embodiment.
In step S8, the first heat generating fin 220 is controlled to heat, and step S7 is executed again.
In step S9, the heating of the first heat generating fin 220 is stopped, and step S7 is executed again.
The second heated area corresponding to the second heating sheet 230 on the cigarette is continuously heated, so that part of heat can be transferred to the first heated area corresponding to the first heating sheet 220, and at the moment, even if the first heated area is not heated externally, the proper temperature can still be kept, so that the tobacco material in the first heated area can be rapidly heated to reach the enough temperature and normally heated and decomposed when being heated in the next stage, and the smoking taste of a user is further ensured.
It should be noted that the above steps S7-S9 may not be executed, i.e. the first heat generating sheet 220 is at t1-t2During this time, the process proceeds from step S6 to step S10 in the inactive control state.
Step S10, determining whether the heating time of the second heat generating sheet 230 reaches or exceeds the second time t2(ii) a If yes, go to step S11; if not, the second heat generating sheet 230 is kept to continue heating.
Step S11 is to stop heating the second heat generating sheet 230 and start and keep the first heat generating sheet 220 for heating.
At this time, since the second heated area on the cigarette is heated for a long time, the tobacco material at the second heated area is at risk of generating harmful substances due to excessive decomposition, and for this reason, in this embodiment, the second duration t may be elapsed2Thereafter, the heating of the second heated area is stopped, and the second heated area is cutThe first heated area is heated, so that the decomposition efficiency of the tobacco material positioned in the first heated area is improved, the excessive heating of the cigarette is avoided, the cigarette is guaranteed to provide uniform smoke, and the smoking taste is guaranteed.
Step S12, determining whether the heating time of the first heating plate 220 reaches or exceeds the preset time t of the second stageII(ii) a If yes, go to step S13; if not, the first heat generating sheet 220 is kept to continue heating.
Step S13, the heating of the first heat generating sheet 220 is stopped.
Further, the heating control system 300 further includes a first temperature detection module and a second temperature detection module, the first temperature detection module is connected to the first heat generating sheet 220, and the second temperature detection module is connected to the second heat generating sheet 230.
Further, before step S2, the method further includes:
step S201, detecting whether the temperature of the first heat generating sheet 220 reaches or exceeds a first temperature value T1 through a first temperature detecting module; if so, the process proceeds to step S202.
The first temperature value may be 150 to 200 ℃, and is preferably 180 ℃ in this embodiment. As shown in fig. 4, the time corresponding to the intersection point of the heating temperature variation curve of the first heat generating sheet 220 and the heating temperature variation curve of the second heat generating sheet 230 is t1And the temperature is 180 deg.c, indicating that the first heat generating sheet 220 stops heating and the second heat generating sheet 230 continues heating at the intersection point.
Further, as shown in FIG. 4, at t1To tI-1Within the time period, the first heating sheet 220 stops heating, and the second heating sheet 230 continues heating, so that part of the heat of the second heated area on the cigarette is conducted to the first heated area, and the temperature of the first heated area rises to a small extent.
Step S202, the heating of the first heat generating sheet 220 is stopped, and the second heat generating sheet 230 is kept continuously heated.
Further, before step S4, the method further includes:
step S401, detecting whether the heating temperature of the second heat generating sheet 230 reaches or exceeds a second temperature value T2 through a second temperature detecting module; if so, the process proceeds to step S402.
The second temperature value may be 180-230 ℃, and in this embodiment, the second temperature value is 210 ℃.
Step S402 stops heating of the second heat generating sheet 230.
As shown in fig. 4, the second heat generating sheet 230 is at time tI-1The corresponding temperature is the second temperature value, which is 210 ℃. At the time tI-1The first heated area on the cigarette is subjected to the heat transfer action of the second heated area, and the temperature value is higher than the first temperature value by 180 ℃ and lower than the second temperature value by 210 ℃.
Further, in the above step S7, it may be detected by the first temperature detecting module whether the temperature of the first heat generating chip 220 is less than the third temperature value T3. In this embodiment, the third temperature value T3 may be the same as the second temperature value T2, and both are 210 ℃.
Further, before step S10, the method further includes:
step S101, detecting whether the heating temperature of the second heat generating sheet 230 reaches or exceeds a fourth temperature value T4 through a second temperature detecting module; if not, the second heating sheet keeps heating; if so, the process proceeds to step S102.
Wherein, the fourth temperature value can be 200-250 ℃; in this embodiment, 230 ℃ is preferable.
Step S102, the heating of the second heat generating sheet 230 is stopped, and the process returns to step S101.
As shown in fig. 4, at time tI-1To t2Meanwhile, since the second heat generating sheet 230 continuously maintains the temperature through a controllable heating process, the corresponding time t is t when the temperature reaches 230 ℃2When the time of the second heating sheet reaches or exceeds the second time t, to avoid the second heating area on the cigarette from decomposing harmful substances due to excessive heating2At this time, the heating of the second heat generating sheet 230 may be stopped and the heating of the first heat generating sheet 220 may be started.
Further, in step S11, the second heat generating sheet 230 is at t2-tIIThe period may be in an inactive control state. The inactive control state means that the controller controls whether the second heat generating sheet 230 is heated according to the time signal, rather than according to the temperature signal.
It should be noted that the second heat generating sheet 230 may also be controlled by:
step S1101, detecting the second heat generating sheet 230 at t2-tIIWhether the temperature during this period is less than a fifth temperature value T5; if yes, go to step S1102; if not, the process proceeds to step S1103.
Step S1102, the second heat generating sheet 230 is controlled to heat, and step S1101 is repeatedly executed.
Step S1103 stops the heating of the second heat generating sheet 230, and step S1101 is repeatedly performed. The fifth temperature value may be 150 to 250 ℃, and is preferably 210 ℃ in this embodiment.
Further, before step S12, the method may further include:
step S1201, detecting, by the first temperature detection module, whether the heating temperature of the first heat generating sheet 220 reaches or exceeds a sixth temperature value T6; if not, the first heat generating sheet 220 keeps heating; if so, the process proceeds to step S1202.
Wherein, the sixth temperature value can be 200-250 ℃; in this embodiment, 230 ℃ is preferable.
Step S1202, the heating of the first heat generating fin 220 is stopped, and the process returns to step S1201.
Further, the heating control system 300 further includes an air inlet temperature detection module and an air outlet temperature detection module, the air inlet temperature detection module is disposed on the air inlet 120, and the air outlet temperature detection module is disposed on the air outlet 110.
Before the heater works, the intake air temperature detection module is configured to detect whether the temperature at the intake port 120 reaches or exceeds a preliminary intake air temperature value, where the preliminary intake air temperature value may be 12 ℃ to 25 ℃, and in this embodiment, is preferably 15 ℃; if yes, sending a first intake air temperature signal; if not, sending a second air inlet temperature signal; the controller is used for controlling the second switch according to the first switchSetting the first-stage preset time length to be the first preset time length t of the first stage by an air inlet temperature signalI-1(ii) a The controller is also used for setting the first-stage preset time length to be a second preset time length t of the first stage according to the second air inlet temperature signalI-2The second preset time period tI-2Is greater than or equal to the first preset time tI-1。
It should be noted that the preset time length of the first stage represents the total time length of the cigarette preheating stage before smoking. The temperature detection of the air inlet side can be the detection of the ambient temperature, if the detected temperature value of the air inlet side reaches or exceeds 15 ℃, for example, in hot summer, the smoking environment is high, and the cigarettes can reach the smoking temperature without being preheated for a long time. If the detected inlet air temperature value is less than 15 ℃, for example, in cold winter, the smoking environment temperature is low, and at the moment, the cigarettes need to be preheated for a long time to reach the smoking temperature; alternatively, in the case that the detected intake air temperature value is less than 15 ℃, t can be prolonged1The time, namely the working time of the first heating sheet is increased, so that the heat generated by the heater is increased to further achieve the pumping condition. Therefore, the cigarette can be preheated to the standard smoking temperature no matter under the condition of overhigh or overlow ambient temperature, the normal heating decomposition of the tobacco material is ensured, and the influence of setting fixed preheating time on the decomposition of the tobacco material due to the fact that the ambient temperature condition cannot be compensated is avoided.
For convenience of description, the cigarette is only smoked in an environment of above 15 ℃ in this embodiment, that is, the preset time period of the first stage is tI-1As shown in fig. 4.
The air outlet temperature detection module is used for detecting whether the temperature at the air outlet 110 reaches or exceeds a preset air outlet temperature value, and if so, sending an air outlet temperature signal; the controller stops the first heat generating sheet 220 and the second heat generating sheet 230 from heating according to the air outlet temperature signal.
The preset outlet temperature value can be 40-120 ℃, and can be set according to actual conditions. For example, the preset outlet temperature value may be 60 ℃ to 120 ℃ when the filter for heating a non-burning cigarette has a large draw resistance, and may be 40 ℃ to 100 ℃ when the filter has a low draw resistance.
In the process of sucking, when the temperature of the air outlet side exceeds the preset air outlet temperature value, the user can have bad feeling of 'mouth burning', at the moment, the first heated area and the second heated area can be stopped being heated to avoid the temperature from excessively rising, and the sucking feeling of the user is ensured.
Further, during the heating work period, namely the heating process of the first stage and the second stage, detecting whether the temperature of the air inlet side for heating the non-combustible cigarette reaches or exceeds a working air inlet temperature value through an air inlet temperature detection module; if so, a third intake temperature signal is sent. Wherein the working inlet air temperature value may be 50 ℃.
The controller stops the heating of the first heat generating fin 220 and the second heat generating fin 230 according to the third intake temperature signal.
It can be understood that, in the smoking process, the high-temperature heat generated when the tobacco material is heated and decomposed can affect the temperature of the air inlet side of the cigarette which is not combusted, so that the temperature value detected by the air inlet side can be properly higher than the ambient temperature, but when the temperature value of the air inlet side during smoking exceeds the working air inlet temperature value by 50 ℃, the ambient temperature is too high or the internal temperature of the smoking set is too high, at this time, the heating of the first heating sheet 220 and the second heating sheet 230 can be stopped, and the unexpected risk is avoided.
In addition, a cigarette clamping clip 140 is further arranged between the air outlet 110 and the heating assembly 200, the cigarette clamping clip 140 can be of a cylindrical structure, and the middle part of the cigarette clamping clip 140 is inwards recessed into an arc shape, so that the inner diameter of the middle part of the cigarette clamping clip 140 is smaller than the inner diameters of the two ends, as shown in fig. 1, when a cigarette is inserted into the cigarette clamping clip 140, the part with the smaller inner diameter on the cigarette clamping clip 140 is slightly elastically deformed by the extrusion of the cigarette, and the cigarette can be clamped and fixed.
In order to realize that the cigarette clamping clip 140 can slightly elastically deform, the cigarette clamping clip 140 may be made of ABS or PEEK. Of course, the cigarette clip 140 may be made of other materials capable of achieving elastic deformation of the cigarette clip 140, and this embodiment is not limited thereto.
In addition, the cigarette clamping clip 140 may also be an elastic body such as an O-ring, and the inner diameter of the elastic body is not larger than the outer diameter of the cigarette, so that the cigarette can be pressed and fixed.
The cigarette case body 100 is further rotatably provided with a rotary cover 130, and the rotary cover can close or open the air outlet 110 by rotating itself. Specifically, the rotating cover 130 can rotate around a point outside the air outlet 110, and a projection of the rotating cover 130 to a direction of a smoking set cover (not shown) at any time during the rotation process falls within the range of the cover. During the rotation, an angle formed by any point of the rotation cover 130 except a point coinciding with the rotation center and a line connecting the rotation center is not more than 180 °.
The shape of the rotary cover 130 may be, but is not limited to, an oval shape, a circular shape, and a gear shape.
The non-uniform heating control-based non-combustible heating cigarette provided by the embodiment of the invention realizes non-uniform heating of different areas of cigarettes in different stages of a smoking process, reasonably adjusts the cumulative heating process of tobacco materials in the whole working stage, effectively avoids the problems of increase of harmful substances, poor consistency of smoke and the like caused by too early excessive heating of the cigarettes and influences the smoking taste; and the non-uniform heating control can also improve the energy utilization effect and reduce the heat dissipation.
Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A non-combustible heated cigarette based on non-uniform heating control, comprising:
the cigarette case comprises a cigarette case body (100), wherein a heater is arranged in the cigarette case body (100);
the heating assembly (200) is arranged in the heater, a heating space (211) for penetrating cigarettes is arranged in the heating assembly (200), and one or more than two heating parts are arranged on the heating assembly (200) at intervals;
the heating control system (300) is arranged in the cigarette case body (100), and the heating control system (300) is connected with the heating assembly (200) and is used for controlling the heating part area and/or time-interval independent heat supply;
a battery assembly (400) disposed in the smoke housing body (100), and the battery assembly (400) is connected with the heating control system (300).
2. A non-uniform heating control-based non-combustible cigarette according to claim 1, wherein the heating assembly (200) comprises a heat pipe (210), a first heat generating fin (220) and a second heat generating fin (230), the first heat generating fin (220) and the second heat generating fin (230) are arranged on an outer side wall of the heat pipe (210) at intervals, the heat receiving space (211) is formed in the heat pipe (210), and the arrangement positions of the first heat generating fin (220) and the second heat generating fin (230) on the heat pipe (210) form the heating portion.
3. A heated non-combustible cigarette based on non-uniform heating control according to claim 2, further comprising an insulation assembly (600), the insulation assembly (600) being disposed outside the heating assembly (200).
4. A non-uniform heating control-based non-combustible cigarette according to claim 3, wherein the heat insulation assembly (600) comprises a vacuum tube layer (610), a heat insulation cotton layer (620) and a heat insulation tube layer (630) from inside to outside in sequence, the vacuum tube layer (610) is sleeved outside the heat conduction tube (210), and the first heat generating sheet (220) and the second heat generating sheet (230) are arranged between the vacuum tube layer (610) and the heat conduction tube (210).
5. A non-combustible cigarette based on non-uniform heating control according to claim 2, wherein the cigarette case body (100) is provided with an air inlet (120) and an air outlet (110), and the air inlet (120) and the air outlet (110) are respectively provided at both ends of the heater.
6. A non-combustible cigarette based on non-uniform heating control according to claim 5, wherein the heater further comprises a support assembly (500), one end of the heating assembly (200) far away from the air outlet (110) is fixedly connected with the support assembly (500), an air flow channel (530) is arranged in the support assembly (500), and two ends of the air flow channel (530) are respectively communicated with the heated space (211) and the air inlet (120).
7. A heated non-combustible cigarette based on non-uniform heating control according to claim 5 further comprising an air inlet plug (121), the air inlet plug (121) being removably arranged in the air inlet (120).
8. A heated non-combustible cigarette based on non-uniform heating control according to claim 5, characterized in that the heating control system (300) comprises a timing unit and a controller;
the timing unit is used for judging whether the heating time of the first heating piece (220) reaches or exceeds a first time, and if so, sending a first time signal; the controller controls the first heating sheet (220) to stop heating according to the first time signal;
the timing unit is also used for judging whether the heating time length of the second heating sheet (230) reaches or exceeds the preset time length of the first stage, and if so, a second time signal is sent out; the controller controls the second heating unit to stop heating according to the second time signal;
the timing unit is also used for judging whether the heating time length of the second heating sheet (230) reaches or exceeds a second time length, and if so, a third time signal is sent out; the controller controls the second heating sheet (230) to stop heating according to the third time signal and controls the first heating sheet (220) to heat the cigarettes;
the timing unit is also used for judging whether the heating time length of the first heating sheet (220) reaches or exceeds the preset time length of the second stage, and if so, a fourth time signal is sent out; the controller controls the first heating sheet (220) to stop heating according to the fourth time signal.
9. A non-uniform heating control-based non-combustible heated cigarette according to claim 8, wherein the heating control system (300) further comprises an inlet air temperature detection module disposed on the air inlet (120) and an outlet air temperature detection module disposed on the air outlet (110);
before the heater works, the air inlet temperature detection module is used for detecting whether the temperature at the air inlet (120) reaches or exceeds a prepared air inlet temperature value, and if so, a first air inlet temperature signal is sent out; if not, sending a second air inlet temperature signal;
the controller is used for setting the first-stage preset time length as a first preset time length of a first stage according to the first inlet air temperature signal;
the controller is further used for setting the first-stage preset time length as a second preset time length of the first stage according to the second inlet air temperature signal, wherein the second preset time length is greater than or equal to the first preset time length;
during the working period of the heater, the air inlet temperature detection module is used for detecting whether the temperature at the air inlet reaches or exceeds a working air inlet temperature value, and if so, a third air inlet temperature signal is sent out;
the controller stops heating the first heating sheet and the second heating sheet according to the third air inlet temperature signal;
the air outlet temperature detection module is used for detecting whether the temperature at the air outlet (110) reaches or exceeds a preset air outlet temperature value, and if so, sending an air outlet temperature signal;
the controller stops the first heating sheet (220) and the second heating sheet (230) from heating according to the air outlet temperature signal.
10. A non-uniform heating control-based non-combustible cigarette according to claim 8, wherein the heating control system (300) further comprises a first temperature detection module and a second temperature detection module, the first temperature detection module is connected with the first heat generating sheet (220), and the second temperature detection module is connected with the second heat generating sheet (230).
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