CN112006340A - Automatic temperature control method for baking smoking set and baking smoking set thereof - Google Patents
Automatic temperature control method for baking smoking set and baking smoking set thereof Download PDFInfo
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- CN112006340A CN112006340A CN202010783642.9A CN202010783642A CN112006340A CN 112006340 A CN112006340 A CN 112006340A CN 202010783642 A CN202010783642 A CN 202010783642A CN 112006340 A CN112006340 A CN 112006340A
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- 230000000391 smoking effect Effects 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 177
- 230000009471 action Effects 0.000 claims abstract description 64
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 49
- 230000008859 change Effects 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 31
- 239000000779 smoke Substances 0.000 claims description 24
- 230000005484 gravity Effects 0.000 claims description 20
- 241000208125 Nicotiana Species 0.000 claims description 13
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004505 smoke cartridge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/57—Temperature control
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
Abstract
The invention discloses an automatic temperature control method for a baking smoking set and the baking smoking set, the automatic temperature control method comprises the following steps: after heating to the set working temperature, maintaining the working temperature in the set working time period, simultaneously judging whether the cigarettes are sucked, and if the cigarettes are sucked, restarting the working time period and maintaining the working temperature after the suction is finished; if not pumped, reducing the heating temperature to a set standby temperature after the working time period is ended; and a second stage: maintaining the standby temperature in a set standby time period, simultaneously judging whether a user has an action of preparing smoking, if so, immediately increasing the heating temperature to the working temperature, and returning to the first stage; if the smoking is not prepared, controlling the heating element to stop working and shut down; the method has the beneficial effects that the power loss of the battery can be reduced, the cigarette utilization time is prolonged, the cigarette is prevented from producing scorched smell or burnt smell, and the use experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of smoking set baking, in particular to an automatic temperature control method of a smoking set baking and the smoking set baking.
Background
A smoking article generally includes a heating assembly and a battery assembly for controlling the heating assembly and for providing power to the heating assembly. The heating component comprises a heating element, and the heating element can bake the cigarette with the tobacco to emit smoke for a user to suck. Compared with the smoke generated after the open fire combustion of tobacco, the smoke generated by baking reduces a plurality of harmful substances such as tar, carbon monoxide, particulate matters and the like, so the mode of smoking by using the baking smoking set is popular among people.
In most existing smoking tools, after a user starts a starting switch, a heating element heats to a normal smoking temperature, but the temperature of the smoking tool is always kept at the smoking temperature regardless of whether the user smokes, and the power loss of a battery is large. In addition, when a user does not smoke, the cigarette is always in a baking state, the tobacco in the cigarette is still in loss, the time that the cigarette can be really utilized is shortened, the baking time is long, the smoke cannot be discharged, and when the user smokes, the tobacco in the cigarette is easy to generate scorched flavor and burnt flavor, so that the user is not well experienced in use.
Chinese patent application publication No. CN111053299A discloses a method and an apparatus for controlling a heating temperature of an electronic smoking set, and an electronic smoking set, wherein the disclosed heating temperature method is that when the electronic smoking set enters a heat preservation stage, it is determined whether there is a smoking action on the electronic smoking set, if there is a smoking action, the heating temperature of a heating element is controlled to reach a first target temperature, and if there is no smoking action, the heating temperature of the heating element is controlled to reach a second target temperature, wherein the second target temperature is less than the first target temperature. Its advantages are low heating temp when it is not used for smoking, high utilization rate of smoke cartridge and low energy consumption of battery. In the drawings of the present specification, fig. 1 is a schematic view of a heating temperature curve obtained by implementing the method for heating temperatures, which is not accurate in practice, since it is disadvantageous to control the first target temperature and the second target temperature by detecting only the suction action, i.e. the suction gas flow. By adopting the method, when a user holds the cartridge in the mouth to suck the cartridge, the smokeless airflow is generated when the user inhales, the airflow switch is triggered only after the airflow exists, the power supply unit is further triggered to heat the heating element, and then heating and temperature rising are carried out for a while, so that the temperature cannot be vertically increased from the second target temperature to the first target temperature, and only when the smoking of one breath is finished, the heating temperature is increased from the second target temperature to the first target temperature at which the cartridge can be roasted to generate smoke. Therefore, the method has the disadvantages that when the smoking is started from the second target temperature with lower temperature, the first half of the mouth is basically not smoked, and after the temperature is raised, the second half of the mouth is smoked again, so that the smoking taste is poor, and the smoking amount of the smoke sucked by the user is little. In addition, the method has the disadvantages that if the user continuously smokes and stops smoking for a short time, the first target temperature and the second target temperature will frequently rise and fall, which causes frequent switching between the power supply unit and the control unit, power consumption will increase instead, and work efficiency will decrease.
Disclosure of Invention
The present invention aims at providing one kind of automatic temperature controlling method for roasting smoking set and the roasting smoking set.
The technical scheme of the invention is realized as follows: an automatic temperature control method for a smoking set comprises the following steps:
the first stage is as follows: after the heating element heats to the set working temperature, the working temperature is maintained in the set working time period, whether the cigarettes are sucked or not is judged, and if the cigarettes are sucked, the working time period is restarted and the working temperature is maintained after the suction is finished; if the air is not sucked, controlling the heating element after the working time period is ended to reduce the heating temperature to the set standby temperature;
and a second stage: maintaining the standby temperature in a set standby time period, simultaneously judging whether a user has an action of preparing smoking, immediately controlling the heating element to raise the heating temperature to the working temperature if the user has the action of preparing smoking, and returning to the first stage; and if no action for preparing smoking exists, controlling the heating element to stop working and shut down or further reducing the heating temperature to the set second standby temperature after the standby time period is ended.
Preferably, the method further comprises the following steps:
and a third stage: if the heating temperature is reduced to the second standby temperature in the second stage, maintaining the second standby temperature in a set second standby time period, simultaneously judging whether a user has an action of preparing smoking, if so, immediately controlling the heating element to increase the heating temperature to the working temperature, and returning to the first stage; and if the smoking is not prepared, controlling the heating element to stop working and shut down after the second standby time period is ended.
Preferably, the method further comprises the following steps:
and in the first stage, accumulating and calculating the total working time for maintaining the working temperature, judging whether the total working time reaches a set total working time threshold value, if not, continuing the first stage, and if so, controlling the heating element to stop working and shut down.
Preferably, the method for judging whether the cigarette is sucked is as follows:
obtaining the resistance value change rate by continuously detecting the resistance value of the heating element, if the resistance value change rate reaches a set resistance value change rate threshold value, judging that the cigarette is sucked, otherwise, judging that the cigarette is not sucked;
or the infrared detection unit continuously detects the distance value between the infrared light source and the human body, if the distance value reaches a set distance threshold value, the cigarette is judged to be sucked, otherwise, the cigarette is judged not to be sucked.
Preferably, the method for judging whether the user has the action of preparing to smoke is as follows:
continuously detecting the three-dimensional coordinate position change and the moving speed of the smoking set through a gravity sensor to obtain a gesture signal of smoking set movement, if the gesture signal accords with a set gesture signal, judging that an action for smoking is ready, otherwise, judging that the action is not ready;
or the distance value between the infrared light source and the human body is continuously detected through the infrared detection unit, if the rate of reducing the distance value reaches the set rate-reducing threshold value, the action of preparing smoking is judged, otherwise, the action of preparing smoking is judged not to exist;
or the atmospheric pressure is continuously detected through the pressure sensor, if the change rate of the atmospheric pressure reaches the set threshold value of the change rate of the atmospheric pressure, the action of preparing smoking is judged, and if not, the action is judged not.
Preferably, the detection method of the heating temperature is as follows:
the heating temperature corresponding to the resistance value can be obtained by continuously detecting the resistance value of the heating element and according to the corresponding relation between the resistance value of the thermistor and the temperature;
or directly detects the heating temperature by a temperature sensor near the heating element.
Preferably, the setting method of the working temperature is as follows: setting a working temperature of a fixed value; or to set an operating temperature that is a function of the time period.
Preferably, the method further comprises the following specific operation steps:
(1) setting relevant parameters on a microcontroller;
(2) turning on a starting switch to start the smoking set;
(3) the power unit outputs power to the heating element, and the smoking set enters a heating and temperature-rising state;
(4) the resistance value detection unit detects the resistance value of the heating element, the microcontroller calculates the heating temperature according to the resistance value and judges whether the heating temperature reaches the set working temperature, if so, the next step is carried out, and if not, the previous step is returned;
(5) after the temperature rise is finished, the microcontroller controls the vibration prompting unit to vibrate;
(6) the microcontroller controls the power output of the power unit to maintain the heating temperature of the heating element at the working temperature, the baking smoking set starts to enter a set working time period to be in a smoking waiting state, and the timing unit starts to calculate the time for maintaining the working temperature and the accumulated time;
(7) the resistance value detection unit detects the resistance value of the heating element, the microcontroller judges whether the cigarette is sucked according to the change rate of the resistance value of the heating element, if so, the step (6) is returned, and if not, the next step is carried out;
(8) the microcontroller judges whether the accumulated time for maintaining the working temperature exceeds a designed total working time threshold, if not, the next step is carried out, and if so, the step (15) is carried out;
(9) the microcontroller judges whether the time for maintaining the working temperature in the time period exceeds the set working time period, if not, the step (7) is returned, and if so, the next step is carried out;
(10) the power unit reduces the output power, so that the heating temperature of the heating element is reduced to a set standby temperature, the heating element enters a set standby time period for standby, and the timing unit starts to calculate the standby time;
(11) the gravity sensor detects the position change and the moving speed of the three-dimensional coordinate of the smoking set, sends a gesture signal of smoking action and transmits the gesture signal to the microcontroller;
(12) the microcontroller judges whether the user has the action of preparing smoking according to the gesture signal, if so, the next step is carried out, and if not, the step (14) is carried out;
(13) the power unit increases the output power, so that the temperature of the heating element is quickly increased to the working temperature, and the step (6) is returned;
(14) the microcontroller judges whether the standby time exceeds the set standby time period, if not, the step (11) is returned, and if so, the next step is carried out;
(15) the microcontroller closes the power output of the power unit and shuts down the tobacco curing device.
Preferably, the method or steps are automatically controlled by a computer program preset in the microcontroller.
The other technical scheme of the invention is that the smoking set with the automatic temperature control method comprises a heating assembly and a battery assembly for realizing the method, wherein the heating assembly comprises a heating element for baking cigarettes, the battery assembly comprises a battery, a control circuit and a starting switch, the control circuit comprises a microcontroller, a power unit electrically connected with the microcontroller, a resistance value detection unit, a gravity sensor and a vibration prompting unit, the microcontroller comprises a timing unit, a computer program is preset in the microcontroller for automatic control, the power unit outputs power to the heating element, the resistance value detection unit is used for detecting the resistance value of the heating element, the gravity sensor detects a gesture signal of a user for preparing smoking action and transmits the gesture signal to the microcontroller, the microcontroller judges that the smoking action exists according to the gesture signal and then sends out a heating control signal, the timing unit respectively carries out time statistics on a continuous working temperature state and a standby state, and the vibration prompting unit carries out vibration prompting on the related working state of the smoking set.
The invention has the following beneficial effects: by using the automatic temperature control method, the heating temperature of the user can be kept at the working temperature when the user smokes normally, and the temperature can be reduced to the standby temperature to enter the standby state when the user does not smoke for a long time, and once a gesture signal of the smoking action of the user is detected, the temperature can be rapidly increased to the working temperature. Therefore, the power loss of the battery can be reduced, the loss of the cigarettes can be reduced, the cigarette utilization time is prolonged, the cigarettes are prevented from producing scorched smell or burnt smell, and the use experience of a user is improved. Meanwhile, the defects of the prior art that the heating temperature is controlled by detecting the air flow suction action can be avoided, the defects that in the prior art, the amount of smoke sucked by a user is small, the smoking taste is poor, and the first target temperature and the second target temperature are frequently lifted to cause frequent switching of a power supply unit and a control unit, the power consumption is increased on the contrary, and the working efficiency is reduced are avoided, so that the method has the advantages of quick smoke suction, good smoking taste and reduced power consumption.
Drawings
FIG. 1 is a graph of heating temperature profiles for a prior art electronic smoking article heating method;
FIG. 2 is a schematic cross-sectional view of a smoking article of the present invention;
FIG. 3 is a flow chart of a method according to a first embodiment of the present invention;
FIG. 4 is a graph showing the variation of heating temperature in the method according to the first embodiment of the present invention;
FIG. 5 is a flow chart of a method of a second embodiment of the invention;
FIG. 6 is a flow chart of a method of a third embodiment of the present invention;
fig. 7 is a functional block diagram of a smoking set according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
as shown in figure 2, the tobacco curing device 1 required for implementing the method of the present invention at least comprises a heating assembly and a battery assembly, wherein the heating assembly comprises a heating element R for curing the tobacco rod 2, the battery assembly comprises a battery 3, a circuit control board 4 and a starting switch K, the battery 3 is used for providing power for the heating element R and controlling the heating element R, and the circuit control board 4 comprises a control circuit (not shown).
As shown in fig. 2 and fig. 3, an automatic temperature control method for a smoking set according to an embodiment of the present invention includes:
the first stage is as follows: after the starting switch K is pressed to start the cigarette, the heating element R heats to a set working temperature, the working temperature is maintained in a set working time period, meanwhile, whether the cigarette 1 is sucked or not is judged, and if the cigarette is sucked, the working time period is restarted after the suction is finished and the working temperature is maintained; if not sucked, controlling the heating element R to reduce the heating temperature to the set standby temperature after the working time period is ended;
and a second stage: maintaining the standby temperature in a set standby time period, simultaneously judging whether a user has an action of preparing smoking, immediately controlling the heating element R to raise the heating temperature to the working temperature if the user has the action of preparing smoking, and returning to the first stage; if no action is ready for smoking, the heating element R is controlled to stop working and shut down after the standby time period is over.
The heating temperature profile obtainable by carrying out the method according to the above-described embodiment is exemplified below. As shown in FIG. 4, after the smoking set of the present invention is turned on, the heating element R is heated from the ambient temperature to the set operation temperature T1, during the 1 st operation time period T1-1, the user performs pumping 1, so that the operation temperature T1 fluctuates, and after the pumping 1 is finished, the timer is re-timed to enter the 2 nd operation time period T1-2. During the 2 nd operation period T1-2, the user does not suck, so after the 2 nd operation period T1-2 is ended, the operation temperature T1 is lowered to the standby temperature T2 while entering the 1 st standby period T2-1. During the 1 st standby time period T2-1, if the gesture signal is detected and the user is determined to have the action of preparing to smoke, the heating element R is immediately heated to the set working temperature T1, and the process enters the 3 rd working time period T1-3. During the 3 rd working period T1-3, the user performed suction 2, causing the working temperature T1 to fluctuate for the 2 nd time, and after suction 2 is over, the 4 th working period T1-4 is re-timed. During the 4 th working period T1-4, the user performed suction 3, causing the working temperature T1 to fluctuate for the 3 rd time, and after suction 3 is over, the 5 th working period T1-5 is re-timed. During the 5 th operation period T1-5, the user does not suck, so after the 5 th operation period T1-5 is over, the operation temperature T1 is again lowered to the standby temperature T2 while entering the 2 nd standby period T2-2. During the 2 nd standby time period t2-2, no gesture signal is detected and it is determined that the user is not preparing to smoke, so after the 2 nd standby time period t2-2 is over, the heating element R is controlled to stop working and shut down, and the heating temperature is gradually reduced to the ambient temperature. The above description is merely an example case, but the method described in the above embodiment can be described. The variation curves of the working temperature T1 and the standby temperature T2 vary according to the specific suction condition and gesture action condition of the user.
In this embodiment, the method for determining whether the cigarette is sucked includes: and obtaining the resistance value change rate by continuously detecting the resistance value of the heating element, judging that the cigarette is sucked if the resistance value change rate reaches a set resistance value change rate threshold value, and judging that the cigarette is not sucked if the resistance value change rate does not reach the set resistance value change rate threshold value. In other embodiments, the method for determining whether the cigarette is smoked may also be: the distance value between the infrared light source and the human body is continuously detected through the infrared detection unit, if the distance value reaches a set distance threshold value, the cigarette is judged to be sucked, and if not, the cigarette is judged not to be sucked.
In this embodiment, the method of determining whether the user has an action to prepare for smoking is: and continuously detecting the position change and the moving speed of the three-dimensional coordinate of the smoking set through a gravity sensor to obtain a gesture signal of the movement of the smoking set, judging that the smoking is ready if the gesture signal accords with a set gesture signal, and otherwise, judging that the smoking is not ready. The gravity sensor works according to the principle of piezoelectric effect, namely, by utilizing the characteristic that the crystal is deformed due to acceleration in the gravity sensor, the crystal deformation can generate voltage, and the relationship between the voltage and the applied acceleration can be utilized to convert the acceleration into voltage output, namely, the mode of equipment movement into voltage signal output. When the gravity sensor is arranged on the smoking set and moves, different electric signals can be generated according to the moving mode of the gravity sensor. The standard gesture signal for preparing smoking can be obtained by detecting the three-dimensional coordinate position change and the moving speed of the smoking track of the smoking set by simulating the smoking action of a human hand in advance. The gravity sensor is electrically connected with the microcontroller, when the gravity sensor works, a detection signal is sent to the microcontroller, and the microcontroller can judge whether a user is ready to smoke or not by comparing a gesture action signal obtained by detection with a set standard gesture signal. When the microcontroller judges that the smoking is ready to be smoked, the microcontroller immediately sends a temperature rise control signal to quickly raise the temperature of the heating element.
In other embodiments, the method for determining whether the user has an action of preparing to smoke may also be: and continuously detecting the distance value between the infrared light source and the human body through the infrared detection unit, if the rate of reduction of the distance value reaches a set rate of reduction threshold, judging that the smoking is ready, otherwise, judging that no smoking is ready. Specifically, the infrared detection unit detects a linear distance thereof from the blocking object by emitting infrared rays from the infrared light source. When the smoking set is provided with the infrared detection unit, the distance between the smoking set and the lips is sensed to be reduced continuously, when a user smokes, the cigarette of the smoking set is held in the mouth, the distance detected by the infrared sensor is close to zero, and the trend that the distance is reduced represents the gesture signal of the user for smoking. The infrared detection unit is electrically connected with the microcontroller, the infrared detection unit detects a distance signal between an infrared light source and a human body and transmits the distance signal to the microcontroller, the microcontroller can obtain a gesture signal of a smoking action of a user just before the smoking action according to the reduction rate of the distance signal, and when the gesture signal accords with a preset gesture signal, a temperature rise control signal is immediately sent out to enable the heating element to rise the temperature.
In other embodiments, the method for determining whether the user has the action of preparing to smoke may further be that the atmospheric pressure is continuously detected by the pressure sensor, if the change rate of the atmospheric pressure reaches the set threshold of the change rate of the atmospheric pressure, it is determined that there is the action of preparing to smoke, otherwise, it is determined that there is no action. Specifically, the air pressure sensor of the present invention is an air pressure sensor capable of accurately detecting atmospheric pressure, and detection data can be obtained even if atmospheric pressure changes slightly. In a certain area, the atmospheric pressure and the altitude have a one-to-one correspondence relationship with each other, that is, the higher the altitude is, the lower the atmospheric pressure is. The barometric sensor can obtain data of altitude change through detection of barometric pressure change. When a user smokes, the gesture of smoking usually has the process of lifting from a low position to the upper part and approaching the lips, in the process, the altitude of the smoking set held in the hand inevitably changes, and the atmospheric pressure also changes, so that the air pressure sensor can indirectly detect the gesture signal of the smoking action of the user. The air pressure sensor is electrically connected with the microcontroller, the air pressure sensor detects an air pressure signal and transmits the air pressure signal to the microcontroller, the microcontroller can obtain a gesture signal of smoking action of a user just before the smoking action according to the change rate of the air pressure signal, when the gesture signal accords with a preset gesture signal, a temperature rise control signal is immediately sent out, and the power unit of the smoking set increases output power to enable the heating element to rise temperature. The rate of change of the atmospheric pressure signal refers to the difference in change of atmospheric pressure per unit time. The change rate of the atmospheric pressure signal represents the change rate of the altitude, namely the change of the altitude in unit time, and can reflect the condition that the moving height of the handheld baking smoking set of the user is changed.
In this embodiment, the detection method of the heating temperature is as follows: the heating temperature corresponding to the resistance value can be obtained by continuously detecting the resistance value of the heating element and according to the corresponding relation between the resistance value of the thermistor and the temperature. In other embodiments, it may also be: the heating temperature is directly detected by a temperature sensor near the heating element.
In this embodiment, the setting method of the operating temperature is as follows: the operating temperature is set to a fixed value. In other embodiments, it may also be: the operating temperature is set in a functional relationship with the time period.
Example two
As shown in fig. 5, the automatic temperature control method for roasting smoking set of the present invention comprises:
the first stage is as follows: after the starting switch K is pressed to start the cigarette, the heating element R heats to a set working temperature, the working temperature is maintained in a set working time period, meanwhile, whether the cigarette 1 is sucked or not is judged, and if the cigarette is sucked, the working time period is restarted after the suction is finished and the working temperature is maintained; if not sucked, controlling the heating element R to reduce the heating temperature to the set standby temperature after the working time period is ended;
and a second stage: maintaining the standby temperature in a set standby time period, simultaneously judging whether a user has an action of preparing smoking, immediately controlling the heating element R to raise the heating temperature to the working temperature if the user has the action of preparing smoking, and returning to the first stage; if the smoking is not prepared, controlling the heating element R to further reduce the heating temperature to a set second standby temperature after the standby time period is ended;
and a third stage: maintaining the second standby temperature in a set second standby time period, simultaneously judging whether the user has the action of preparing smoking, if so, immediately controlling the heating element R to raise the heating temperature to the working temperature, and returning to the first stage; and if the smoking is not prepared, controlling the heating element R to stop working and shut down after the second standby time period is ended.
The embodiment increases the second standby temperature, so that the power consumption of the heating element can be further reduced, and the service life of the cigarette can be further prolonged.
In the first stage of this embodiment, the total operating time for maintaining the operating temperature is accumulated and calculated, and it is determined whether the total operating time reaches a set total operating time threshold, if not, the first stage is continued, and if so, the heating element is controlled to stop operating and shut down.
EXAMPLE III
As shown in fig. 6, this embodiment further includes the following specific operation steps based on the first embodiment:
(1) setting relevant parameters on a microcontroller;
(2) turning on a starting switch K, and starting the baking smoking set 1;
(3) the power unit outputs power to the heating element R, and the smoking set 1 enters a heating and temperature-rising state;
(4) the resistance value detection unit detects the resistance value of the heating element, the microcontroller calculates the heating temperature according to the resistance value and judges whether the heating temperature reaches the set working temperature, if so, the next step is carried out, and if not, the previous step is returned;
(5) after the temperature rise is finished, the microcontroller controls the vibration prompting unit to vibrate;
(6) the microcontroller controls the power output of the power unit to maintain the heating temperature of the heating element at the working temperature, the baking smoking set starts to enter a set working time period to be in a smoking waiting state, and the timing unit starts to calculate the time for maintaining the working temperature and the accumulated time;
(7) the resistance value detection unit detects the resistance value of the heating element, the microcontroller judges whether the cigarette is sucked according to the change rate of the resistance value of the heating element, if so, the step (6) is returned, and if not, the next step is carried out;
(8) the microcontroller judges whether the accumulated time for maintaining the working temperature exceeds a set total working time threshold, if not, the next step is carried out, and if so, the step (15) is carried out;
(9) the microcontroller judges whether the time for maintaining the working temperature in the time period exceeds the set working time period, if not, the step (7) is returned, and if so, the next step is carried out;
(10) the power unit reduces the output power, so that the heating temperature of the heating element is reduced to a set standby temperature, the heating element enters a set standby time period for standby, and the timing unit starts to calculate the standby time;
(11) the gravity sensor detects the position change and the moving speed of the three-dimensional coordinate of the smoking set, sends a gesture signal of smoking action and transmits the gesture signal to the microcontroller;
(12) the microcontroller judges whether the user has the action of preparing smoking according to the gesture signal, if so, the next step is carried out, and if not, the step (14) is carried out;
(13) the power unit increases the output power, so that the temperature of the heating element is quickly increased to the working temperature, and the step (6) is returned;
(14) the microcontroller judges whether the standby time exceeds the set standby time period, if not, the step (11) is returned, and if so, the next step is carried out;
(15) the microcontroller closes the power output of the power unit and shuts down the tobacco curing device.
In this embodiment, the above steps are all automatically controlled by presetting a computer program in the microcontroller.
Example four
As shown in fig. 2 and 7, the smoking set 1 required for implementing the method of the present invention at least comprises a heating assembly and a battery assembly, wherein the heating assembly comprises a heating element R for baking the cigarette 2, the battery assembly comprises a battery 3, a circuit control board 4 and a starting switch K, the battery 3 is used for providing power for the heating element R and controlling the heating element R, and the circuit control board 4 comprises a control circuit. The control circuit is provided with a microcontroller 6, a vibration prompting unit 5 electrically connected with the microcontroller 6, a power unit 7, a resistance value detection unit 8 and a gravity sensor 9, the microcontroller 6 comprises a computer program 61 and a timing unit 62, the power unit 7 is electrically connected with a battery 4, adjusts the voltage of the battery and then outputs working power to the heating element 3, the resistance value detection unit 8 is used for detecting the resistance value of the heating element R, and the microcontroller 6 can judge whether smoking occurs according to the change signal of the resistance value because the resistance value of the heating element 3 changes when a user smokes; meanwhile, the heating element R is made of a thermistor, and the resistance value and the temperature of the heating element R have mutual correspondence, so that the microcontroller 6 can judge the heating temperature according to the resistance value. The gravity sensor 9 detects gesture signals of smoking actions and transmits the gesture signals to the microcontroller 6, the microcontroller 6 pre-judges the actions of smoking preparation of a user according to the gesture signals and sends heating control signals, the timing unit 62 respectively carries out time statistics on different smoking states including continuous working temperature states and standby states, and the vibration prompting unit 5 carries out vibration prompting on related working states of the smoking set, such as starting, shutting down, when the heating temperature reaches the working temperature, and when the working temperature is reduced to the standby temperature, vibration prompting is carried out.
As shown in fig. 2 and 7, the operating principle of the smoking set 1 is that when a user uses the smoking set 1, the user firstly presses the starting switch K to switch on the battery power supply, so as to provide power for the microcontroller 6 and the related control circuit, and the power unit 7 performs voltage boosting or voltage reducing processing according to the instruction of the microcontroller 6 under the control of the microcontroller 6, and finally outputs power to the heating element R. After the heating element R is operated, the temperature rises to the set operating temperature, at this time, the vibration prompting unit 5 performs vibration prompting to indicate that the smoking waiting state is performed in the set operating time period, the user can start smoking according to the vibration prompting, and the timing unit 62 performs related timing. The resistance value detection unit 8 detects the resistance value change of the heating element R when in work, and the microcontroller 6 can judge whether smoking is carried out according to the resistance value change signal because the resistance value of the heating element 3 changes when a user smokes. When the user is smoking cigarettes, the heating temperature will drop, and the microcontroller 6 makes the power unit 7 maintain stable power output, so that the temperature of the heating element R rises back to maintain the working temperature. If the user has a puff during the work period, the heating temperature continues to remain unchanged at the end of the puff while the next work period is recalculated. If the user does not smoke in the working time period, the microcontroller 6 controls the power unit 7 to reduce the power output, so that the heating element R reduces the heating temperature to the set standby temperature and keeps the temperature, the electric energy of the battery is saved, and the service life of the tobacco is prolonged. In the standby time period, the gravity sensor 9 works to simulate the action of smoking by human hands, detect the motion track, the action frequency, the position change of three-dimensional coordinates, the moving speed and the like of the smoking set, send the detected gesture signals to the microcontroller 6, the microcontroller 6 judges whether a user prepares to smoke or not in advance, if the detected gesture signals are judged to prepare to smoke, the microcontroller 6 controls the power unit 7 to rapidly increase the output power, and when the user puts cigarettes of the smoking set into an inlet, the heating temperature of the heating element R is rapidly increased to the working temperature and kept, so that the user can immediately suck out smoke. And if the gesture signal that the user prepares to smoke is not detected in the standby time period, automatically shutting down the smoking set.
The automatic temperature control baking smoking set has the advantages that the power unit 7, the microcontroller 6, the resistance value detection unit 8, the gravity sensor 9, the timing unit 62 and the like are arranged, so that the heating temperature of a user can be kept in a smoking temperature state when the user smokes normally, the temperature can be reduced to a standby temperature to enter a standby state when the user does not smoke for a long time, and once a gesture signal of smoking action of the user is detected, the temperature can be rapidly increased to a working temperature of smoking. Therefore, the power loss of the battery can be reduced, the loss of tobacco can be reduced, the cigarette utilization time is prolonged, the tobacco is prevented from producing scorched flavor or burnt flavor, and the use experience of a user is improved.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the invention, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.
Claims (10)
1. An automatic temperature control method for a smoking set, which is characterized by comprising the following steps:
the first stage is as follows: after the heating element heats to the set working temperature, the working temperature is maintained in the set working time period, whether the cigarettes are sucked or not is judged, and if the cigarettes are sucked, the working time period is restarted and the working temperature is maintained after the suction is finished; if the air is not sucked, controlling the heating element after the working time period is ended to reduce the heating temperature to the set standby temperature;
and a second stage: maintaining the standby temperature in a set standby time period, simultaneously judging whether a user has an action of preparing smoking, immediately controlling the heating element to raise the heating temperature to the working temperature if the user has the action of preparing smoking, and returning to the first stage; and if no action for preparing smoking exists, controlling the heating element to stop working and shut down or further reducing the heating temperature to the set second standby temperature after the standby time period is ended.
2. The automatic temperature control method for flue-cured smoking set according to claim 1, further comprising:
and a third stage: if the heating temperature is reduced to the second standby temperature in the second stage, maintaining the second standby temperature in a set second standby time period, simultaneously judging whether a user has an action of preparing smoking, if so, immediately controlling the heating element to increase the heating temperature to the working temperature, and returning to the first stage; and if the smoking is not prepared, controlling the heating element to stop working and shut down after the second standby time period is ended.
3. The automatic temperature control method for flue-cured smoking set according to claim 1 or 2, further comprising:
and in the first stage, accumulating and calculating the total working time for maintaining the working temperature, judging whether the total working time reaches a set total working time threshold value, if not, continuing the first stage, and if so, controlling the heating element to stop working and shut down.
4. The automatic temperature control method for roasting smoking set according to claim 1, wherein the method for judging whether the cigarette is smoked is as follows:
obtaining the resistance value change rate by continuously detecting the resistance value of the heating element, if the resistance value change rate reaches a set resistance value change rate threshold value, judging that the cigarette is sucked, otherwise, judging that the cigarette is not sucked;
or the infrared detection unit continuously detects the distance value between the infrared light source and the human body, if the distance value reaches a set distance threshold value, the cigarette is judged to be sucked, otherwise, the cigarette is judged not to be sucked.
5. The method according to claim 1 or 2, wherein the method for determining whether the user has an action of preparing to smoke is:
continuously detecting the three-dimensional coordinate position change and the moving speed of the smoking set through a gravity sensor to obtain a gesture signal of smoking set movement, if the gesture signal accords with a set gesture signal, judging that an action for smoking is ready, otherwise, judging that the action is not ready;
or the distance value between the infrared light source and the human body is continuously detected through the infrared detection unit, if the rate of reducing the distance value reaches the set rate-reducing threshold value, the action of preparing smoking is judged, otherwise, the action of preparing smoking is judged not to exist;
or the atmospheric pressure is continuously detected through the pressure sensor, if the change rate of the atmospheric pressure reaches the set threshold value of the change rate of the atmospheric pressure, the action of preparing smoking is judged, and if not, the action is judged not.
6. The automatic temperature control method for roasting smoking set according to claim 1 or 2, wherein the detection method of the heating temperature is as follows:
the heating temperature corresponding to the resistance value can be obtained by continuously detecting the resistance value of the heating element and according to the corresponding relation between the resistance value of the thermistor and the temperature;
or directly detects the heating temperature by a temperature sensor near the heating element.
7. The automatic temperature control method for roasting smoking set according to claim 1 or 2, wherein the setting method of the working temperature is as follows: setting a working temperature of a fixed value; or to set an operating temperature that is a function of the time period.
8. The automatic temperature control method for flue-cured smoking set according to claim 1, further comprising the following specific operation steps:
(1) setting relevant parameters on a microcontroller;
(2) turning on a starting switch to start the smoking set;
(3) the power unit outputs power to the heating element, and the smoking set enters a heating and temperature-rising state;
(4) the resistance value detection unit detects the resistance value of the heating element, the microcontroller calculates the heating temperature according to the resistance value and judges whether the heating temperature reaches the set working temperature, if so, the next step is carried out, and if not, the previous step is returned;
(5) after the temperature rise is finished, the microcontroller controls the vibration prompting unit to vibrate;
(6) the microcontroller controls the power output of the power unit to maintain the heating temperature of the heating element at the working temperature, the baking smoking set starts to enter a set working time period to be in a smoking waiting state, and the timing unit starts to calculate the time for maintaining the working temperature and the accumulated time;
(7) the resistance value detection unit detects the resistance value of the heating element, the microcontroller judges whether the cigarette is sucked according to the change rate of the resistance value of the heating element, if so, the step (6) is returned, and if not, the next step is carried out;
(8) the microcontroller judges whether the accumulated time for maintaining the working temperature exceeds a set total working time threshold, if not, the next step is carried out, and if so, the step (15) is carried out;
(9) the microcontroller judges whether the time for maintaining the working temperature in the time period exceeds the set working time period, if not, the step (7) is returned, and if so, the next step is carried out;
(10) the power unit reduces the output power, so that the heating temperature of the heating element is reduced to a set standby temperature, the heating element enters a set standby time period for standby, and the timing unit starts to calculate the standby time;
(11) the gravity sensor detects the position change and the moving speed of the three-dimensional coordinate of the smoking set, sends a gesture signal of smoking action and transmits the gesture signal to the microcontroller;
(12) the microcontroller judges whether the user has the action of preparing smoking according to the gesture signal, if so, the next step is carried out, and if not, the step (14) is carried out;
(13) the power unit increases the output power, so that the temperature of the heating element is quickly increased to the working temperature, and the step (6) is returned;
(14) the microcontroller judges whether the standby time exceeds the set standby time period, if not, the step (11) is returned, and if so, the next step is carried out;
(15) the microcontroller closes the power output of the power unit and shuts down the tobacco curing device.
9. The method of any one of claims 1 to 8, wherein the method or steps are automatically controlled by a computer program preset in a microcontroller.
10. A tobacco roasting device with an automatic temperature control method is characterized by comprising a heating assembly and a battery assembly for realizing the method of any one of claims 1 to 9, wherein the heating assembly comprises a heating element for roasting cigarettes, the battery assembly comprises a battery, a control circuit and a starting switch, the control circuit comprises a microcontroller, a power unit electrically connected with the microcontroller, a resistance value detection unit, a gravity sensor and a vibration prompting unit, the microcontroller comprises a timing unit, a computer program is preset in the microcontroller for automatic control, the power unit outputs power to the heating element, the resistance value detection unit is used for detecting the resistance value of the heating element, the gravity sensor detects a gesture signal of a user for preparing smoking action and transmits the gesture signal to the microcontroller, and the microcontroller sends out a heating control signal after judging that the smoking action exists according to the gesture signal, the timing unit respectively carries out time statistics on a continuous working temperature state and a standby state, and the vibration prompting unit carries out vibration prompting on the related working state of the smoking set.
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| CN202010783642.9A CN112006340B (en) | 2020-08-06 | 2020-08-06 | Automatic temperature control method for baking smoking set and baking smoking set |
| PCT/CN2021/099273 WO2022028098A1 (en) | 2020-08-06 | 2021-06-10 | Automatic temperature control method for baking smoking set and baking smoking set thereof |
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| CN202010783642.9A CN112006340B (en) | 2020-08-06 | 2020-08-06 | Automatic temperature control method for baking smoking set and baking smoking set |
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| CN112006340B CN112006340B (en) | 2023-10-27 |
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| CN113693304A (en) * | 2021-08-17 | 2021-11-26 | 惠州市沛格斯科技有限公司 | Temperature control method for heating body of electronic smoking set |
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| WO2022028098A1 (en) * | 2020-08-06 | 2022-02-10 | 深圳市康泓威科技有限公司 | Automatic temperature control method for baking smoking set and baking smoking set thereof |
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| WO2022028098A1 (en) | 2022-02-10 |
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