CN104720119A - Automatic constant-temperature electronic cigarette and control method thereof - Google Patents
Automatic constant-temperature electronic cigarette and control method thereof Download PDFInfo
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- CN104720119A CN104720119A CN201510066981.4A CN201510066981A CN104720119A CN 104720119 A CN104720119 A CN 104720119A CN 201510066981 A CN201510066981 A CN 201510066981A CN 104720119 A CN104720119 A CN 104720119A
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- resistance
- heating component
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- heating
- change
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 154
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 230000000391 smoking effect Effects 0.000 claims abstract description 8
- 230000033228 biological regulation Effects 0.000 claims description 25
- 238000004904 shortening Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 230000005693 optoelectronics Effects 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 235000019504 cigarettes Nutrition 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 9
- 241000208125 Nicotiana Species 0.000 description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 230000005586 smoking cessation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
-
- 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
- A24F40/60—Devices with integrated user interfaces
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses an automatic constant-temperature electronic cigarette and a control method thereof. The electronic cigarette comprises an electronic cigarette body, a heating assembly, a controller and a power source are arranged in the electronic cigarette body, the power source supplies power to the heating assembly and the controller, the controller comprises a resistance value detection module, a comparison module and a heating time adjusting module, the resistance value detection module comprises a resistance value change amplitude detection unit, the input end of the resistance value change amplitude detection unit is electrically connected with the heating assembly, the comparison module comprises a resistance value amplitude comparison unit, the input end of the resistance value amplitude comparison unit is electrically connected with the output end of the resistance value change amplitude detection unit, the heating time adjusting module comprises a prolonged heating adjusting unit, a standard heating adjusting unit and a shortened heating adjusting unit, and one of the prolonged heating adjusting unit, the standard heating adjusting unit and the shortened heating adjusting unit is communicated with the heating assembly. The automatic constant-temperature electronic cigarette has the advantages of being capable of automatically adjusting smoke temperature, smoke amount and smoke smoking taste uniformity, saving energy and preventing dry burning.
Description
Technical field
The present invention relates to electronic cigarette field, particularly relate to a kind of automatic constant-temperature electronic cigarette and control method thereof.
Background technology
Electronic cigarette has another name called electronic cigarette, is mainly used in smoking cessation and cigarette substitute.It has the outward appearance the same with cigarette, the taste approximate with cigarette, even will have more a lot than the taste of general cigarette, and also as cigarette, energy sucking-off cigarette, sucking-off taste come with sensation.
On 09 07th, 2007, it is electronic cigarette that China Patent No. 200710121849 discloses denomination of invention, it comprises a cigarette cavity shell, power supply, cigarette bullet and tobacco rod annex, described power supply, a jettron, magnetostrictive vibrator one electromagnetic induction heater is sequentially provided with by front end to rear end in described shell, wherein, described radio-frequency generator, it is connected with jettron with described magnetostrictive vibrator, electromagnetic induction heater respectively by wire; The front end of described shell is provided with a light emitting diode; It is connected with described jettron and power supply respectively by wire; The rear end of described shell is connected with described cigarette bullet, in described cigarette bullet, be provided with tobacco juice chamber.Above-mentioned electronic cigarette, does not have temperature automatic adjustment function, even if automatically regulated by constant voltage or current constant mode, regulatory function is very weak does not reach real automatic temperature-adjusting adjustment.In the electronic cigarette regulated not having automatic temperature-adjusting, when temperature is too high, can cause producing harmful substance in tobacco tar, harm is produced to human body, also waste energy simultaneously.In the electronic cigarette regulated not having automatic temperature-adjusting, the smog temperature of every mouthful, amount of smoke, suction mouthfeel are inconsistent, cause customer experience sense not good.
In view of this, be necessary to be further improved above-mentioned electronic cigarette.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of automatic constant-temperature electronic cigarette and control method thereof, can regulate the temperature automatic constant-temperature of electronic cigarette, saves the energy, has preferably mouthfeel effect.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: provide a kind of automatic constant-temperature electronic cigarette, comprise electronic cigarette body, heating component, controller and power supply is provided with in described electronic cigarette body, described power supply is that heating component and controller are powered, and described controller comprises resistance detection module, comparison module and heat time adjustment module;
Described resistance detection module comprises change in resistance amplitude detection unit, and the input of described change in resistance amplitude detection unit is electrically connected with heating component, for detecting the amplitude of the real-time change in resistance of heating component;
Described comparison module comprises resistance amplitude comparing unit, the input of described resistance amplitude comparing unit is electrically connected with the output of change in resistance amplitude detection unit, and when detecting heating component work for comparing, the amplitude of change in resistance exports the result compared to heat time adjustment module with the size of default center amplitude;
Described heat time adjustment module comprises prolongation heat regulation unit, standard heat regulation unit and shortening heat regulation unit, when when heating component works, the amplitude of change in resistance is less than default center amplitude, described prolongation heat regulation unit and heating component conducting extend the heat time, when when heating component works, the amplitude of change in resistance equals default center amplitude, standard duration is heated in described standard heating unit and heating component conducting, when when heating component works, the amplitude of change in resistance is greater than default center amplitude, the heat time is shortened in described shortening heat regulation unit and heating component conducting.
In order to solve the problems of the technologies described above, another technical scheme that the present invention adopts is: the control method providing a kind of automatic constant-temperature electronic cigarette, comprises the steps:
The amplitude of change in resistance when S01, the work of detection heating component;
S02, the amplitude of change in resistance and the size of default center amplitude when comparing heating component work;
S03, regulate heat time of heating component according to the result that compares, be specially, when heating component works, the amplitude of change in resistance is less than the default center amplitude time delay long heat time, heat standard duration when the amplitude of change in resistance equals default center amplitude when heating component works, when the amplitude of change in resistance is greater than default center amplitude when heating component works, shorten the heat time.
Beneficial effect of the present invention is: for all drawbacks of electronic cigarette of the prior art, easily produce harmful substance, energy waste, the smog temperature of every mouthful, amount of smoke, enter to aspirate mouthfeel inconsistent, the problem that customer experience sense is not good, a kind of automatic constant-temperature electronic cigarette of the present invention, mainly comprise controller, specifically comprise resistance detection module, comparison module and heat time adjustment module, this resistance detection module detects the amplitude of the real-time change in resistance of heating component, and by comparison module by the result of detection and default center Amplitude Ratio comparatively and export heat time adjustment module to, when when heating component works, the amplitude of change in resistance is less than default center amplitude, described prolongation heat regulation unit and heating component conducting extend the heat time, when when heating component works, the amplitude of change in resistance equals default center amplitude, standard duration is heated in described standard heating unit and heating component conducting, when when heating component works, the amplitude of change in resistance is greater than default center amplitude, the heat time is shortened in described shortening heat regulation unit and heating component conducting, thus realize the object automatically regulating electronic cigarette temperature, have and automatically regulate smog temperature, amount of smoke, fume extraction mouthfeel uniformity, energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is the function structure chart of automatic constant-temperature electronic cigarette of the present invention;
Fig. 2 be heating component of the present invention when tobacco tar dryouies abundant with tobacco tar, the map of magnitudes of change in resistance;
Fig. 3 be heating component of the present invention when automatic constant-temperature, change in resistance map of magnitudes;
Fig. 4 be the present invention when automatic constant-temperature, two cycle internal controller execute alive time variation diagram to heating component;
Fig. 5 is the control method flow chart of automatic constant-temperature electronic cigarette of the present invention.
Label declaration:
1, heating component; 2, controller; 3, power supply; 4, smoking switch;
5, state indicator module; 21, change in resistance amplitude detection unit;
22, resistance amplitude comparing unit; 23, heat time adjustment module;
24, resistance speed comparing unit; 25, change in resistance speed detection unit.
Detailed description of the invention
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: the resistance detection module of this programme middle controller detects the amplitude of the real-time change in resistance of heating component, and by comparison module by the result of detection and default center Amplitude Ratio comparatively and export heat time adjustment module to, gating extends heat regulation unit, standard heat regulation unit and shortens heat regulation unit, thus realizes automatically regulating electronic cigarette temperature.
Please refer to Fig. 1, a kind of automatic constant-temperature electronic cigarette, comprise electronic cigarette body, heating component 1, controller 2 and power supply 3 is provided with in described electronic cigarette body, described power supply 3 is powered for heating component 1 and controller 2, described controller 2 comprises resistance detection module, comparison module and heat time adjustment module 23
Described resistance detection module comprises change in resistance amplitude detection unit 21, and the input of described change in resistance amplitude detection unit 21 is electrically connected with heating component 1, for detecting the amplitude of the real-time change in resistance of heating component 1;
Described comparison module comprises resistance amplitude comparing unit 22, the input of described resistance amplitude comparing unit 22 is electrically connected with the output of change in resistance amplitude detection unit 21, exports the result compared to heat time adjustment module 23 for comparing the amplitude of change in resistance when heating component 1 works that detects with the size of default center amplitude;
Described heat time adjustment module 23 comprises prolongation heat regulation unit, standard heat regulation unit and shortening heat regulation unit, when when heating component 1 works, the amplitude of change in resistance is less than default center amplitude, described prolongation heat regulation unit and heating component 1 conducting extend the heat time, when when heating component 1 works, the amplitude of change in resistance equals default center amplitude, standard duration is heated in described standard heating unit and heating component 1 conducting, when when heating component 1 works, the amplitude of change in resistance is greater than default center amplitude, the heat time is shortened in described shortening heat regulation unit and heating component 1 conducting.The above-mentioned heat time can by within a temperature adjusting cycle in the scheme of reality, and regulation output voltage or current time regulate and control.
From foregoing description, beneficial effect of the present invention is: for all drawbacks of electronic cigarette of the prior art, easily produce harmful substance, energy waste, the smog temperature of every mouthful, amount of smoke, enter to aspirate mouthfeel inconsistent, the problem that customer experience sense is not good, a kind of automatic constant-temperature electronic cigarette of the present invention, mainly comprise controller 2, specifically comprise resistance detection module, comparison module and heat time adjustment module 23, this resistance detection module detects the amplitude of the real-time change in resistance of heating component 1, and by comparison module by the result of detection and default center Amplitude Ratio comparatively and export heat time adjustment module 23 to, when when heating component 1 works, the amplitude of change in resistance is less than default center amplitude, described prolongation heat regulation unit and heating component 1 conducting extend the heat time, when when heating component 1 works, the amplitude of change in resistance equals default center amplitude, standard duration is heated in described standard heating unit and heating component 1 conducting, when when heating component 1 works, the amplitude of change in resistance is greater than default center amplitude, the heat time is shortened in described shortening heat regulation unit and heating component 1 conducting, thus realize the object automatically regulating electronic cigarette temperature, have and automatically regulate smog temperature, amount of smoke, fume extraction mouthfeel uniformity, energy-conservation effect.
As an embodiment, described resistance detection module also comprises change in resistance speed detection unit 25, and the input of described change in resistance speed detection unit 25 is electrically connected with heating component 1, for detecting the speed of the real-time change in resistance of heating component 1,
Described comparison module also comprises resistance speed comparing unit 24, the input of described resistance speed comparing unit 24 is electrically connected with the output of change in resistance amplitude detection unit 21, exports the result compared to heat time adjustment module 23 for comparing the speed of change in resistance when heating component 1 works that detects with the size of preset standard threshold speed;
Described heat time adjustment module 23 also comprises stopping heating unit, when real-time change in resistance speed is greater than or less than default standard speed threshold value, described stopping heating unit and heating component 1 conducting stop heating, when real-time change in resistance speed is in the standard speed threshold range preset, described stopping heating unit and heating component 1 power-off continue to heat.
Consult Fig. 2 to Fig. 4, in Fig. 2, R2 is the curve dryouied, and R1 is the sufficient curve of tobacco tar, and as shown in Figure 2, when tobacco tar is abundant, the resistance variations speed of heating component 1 is comparatively mild, and the resistance variations speed of the curve that tobacco tar dryouies is large.In Fig. 3, R0 to R3 is default center amplitude, and in heating component 1, change in resistance is the measured curve of R0 to R3.In Fig. 4, T1 and T2 is temperature regulating cycle, and U0 is output voltage, and initial point is output voltage ON time to t1, t2 to t3, and t1 to t2, t3 to t4 are turn-off time.
As an embodiment, also comprise smoking switch 4, the output of described smoking switch 4 is electrically connected with heat time adjustment module 23, for controlling the opening/closing of heat time adjustment module 23, described smoking switch 4 to comprise in soft-touch control, optoelectronic switch, baroceptor switch and switch with mechanical contact any one.
As an embodiment, also comprise state indicator module 5, the input of described state indicator module 5 is electrically connected with heat time adjustment module 23, and for showing the heating of electronic cigarette, startup and halted state, described state indicator module 5 comprises three-color LED light or off-color material.LED and off-color material can be red, yellow, and green and other Show Color, to remind the duty of electronic cigarette.
As an embodiment, described heating component 1 comprises containing positive temperature coefficient metallic heating body, ceramic heating element and metal and ceramic composite heater, carbon fiber exothermic part and other there is in the heater of positive temperature coefficient any one.This heater can also be other known heater.
As an embodiment, described heating component 1 comprises containing negative temperature coefficient metallic heating body, ceramic heating element and metal and ceramic composite heater, and other to have in the heater of negative temperature coefficient any one.This heater can also be other known heater.
As an embodiment, described power supply 3 is lithium battery.Except lithium battery, it can also be the battery etc. of other types.
In sum, automatic constant-temperature electronic cigarette provided by the invention, mainly comprise controller, specifically comprise resistance detection module, comparison module and heat time adjustment module, this resistance detection module detects the amplitude of the real-time change in resistance of heating component, and by comparison module by the result of detection and default center Amplitude Ratio comparatively and export heat time adjustment module to, when when heating component works, the amplitude of change in resistance is less than default center amplitude, described prolongation heat regulation unit and heating component conducting extend the heat time, when when heating component works, the amplitude of change in resistance equals default center amplitude, standard duration is heated in described standard heating unit and heating component conducting, when when heating component works, the amplitude of change in resistance is greater than default center amplitude, the heat time is shortened in described shortening heat regulation unit and heating component conducting, thus realize the object automatically regulating electronic cigarette temperature, have and automatically regulate smog temperature, amount of smoke, fume extraction mouthfeel uniformity, energy-conservation effect.In addition, resistance detection module detects the speed of the real-time change in resistance of heating component, and by comparison module the result of detection compared with preset standard threshold speed and export heat time adjustment module to, when real-time change in resistance speed is greater than or less than default standard speed threshold value, described stopping heating unit and heating component conducting stop heating, when real-time change in resistance speed is in the standard speed threshold range preset, described stopping heating unit and heating component power-off continue to heat, and prevent electronic cigarette dry combustion method problem.
Consult Fig. 5, present invention also offers a kind of control method of automatic constant-temperature electronic cigarette, comprise the steps:
The amplitude of change in resistance when S01, the work of detection heating component;
S02, the amplitude of change in resistance and the size of default center amplitude when comparing heating component work;
S03, regulate heat time of heating component according to the result that compares, be specially, when heating component works, the amplitude of change in resistance is less than the default center amplitude time delay long heat time, heat standard duration when the amplitude of change in resistance equals default center amplitude when heating component works, when the amplitude of change in resistance is greater than default center amplitude when heating component works, shorten the heat time.The above-mentioned heat time can be regulated and controled by the output voltage time in the scheme of reality.
As an embodiment, also comprise the detecting step preventing from dryouting, step specific as follows,
The speed of change in resistance when a, the work of detection heating component;
B, the speed of change in resistance and the size of preset standard threshold speed when comparing heating component work;
C, heating component is made to continue heating or quit work according to comparative result, be specially, when real-time change in resistance speed is greater than or less than default standard speed threshold value, heating component is made to stop heating, when real-time change in resistance speed is in the standard speed threshold range preset, heating component is made to continue heating.
As an embodiment, state step display when also comprising the startup to electronic cigarette, heating and stop.
In sum, the control method of a kind of automatic constant-temperature electronic cigarette provided by the invention, regulates the working time of heating component automatically by this control method, and then regulates the temperature of electronic cigarette, reaches the object of constant temperature, satisfies the demands of consumers.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an automatic constant-temperature electronic cigarette, comprise electronic cigarette body, heating component, controller and power supply is provided with in described electronic cigarette body, described power supply is that heating component and controller are powered, it is characterized in that, described controller comprises resistance detection module, comparison module and heat time adjustment module;
Described resistance detection module comprises change in resistance amplitude detection unit, and the input of described change in resistance amplitude detection unit is electrically connected with heating component, for detecting the amplitude of the real-time change in resistance of heating component;
Described comparison module comprises resistance amplitude comparing unit, the input of described resistance amplitude comparing unit is electrically connected with the output of change in resistance amplitude detection unit, and when detecting heating component work for comparing, the amplitude of change in resistance exports the result compared to heat time adjustment module with the size of default center amplitude;
Described heat time adjustment module comprises prolongation heat regulation unit, standard heat regulation unit and shortening heat regulation unit, when when heating component works, the amplitude of change in resistance is less than default center amplitude, described prolongation heat regulation unit and heating component conducting extend the heat time, when when heating component works, the amplitude of change in resistance equals default center amplitude, standard duration is heated in described standard heating unit and heating component conducting, when when heating component works, the amplitude of change in resistance is greater than default center amplitude, the heat time is shortened in described shortening heat regulation unit and heating component conducting.
2. automatic constant-temperature electronic cigarette according to claim 1, it is characterized in that, described resistance detection module also comprises change in resistance speed detection unit, and the input of described change in resistance speed detection unit is electrically connected with heating component, for detecting the speed of the real-time change in resistance of heating component;
Described comparison module also comprises resistance speed comparing unit, the input of described resistance speed comparing unit is electrically connected with the output of change in resistance amplitude detection unit, and when detecting heating component work for comparing, the speed of change in resistance exports the result compared to heat time adjustment module with the size of preset standard threshold speed;
Described heat time adjustment module also comprises stopping heating unit, when real-time change in resistance speed is greater than or less than default standard speed threshold value, described stopping heating unit and heating component conducting stop heating, when real-time change in resistance speed is in the standard speed threshold range preset, described stopping heating unit and heating component power-off continue to heat.
3. automatic constant-temperature electronic cigarette according to claim 1, it is characterized in that, also comprise smoking switch, the output of described smoking switch is electrically connected with heat time adjustment module, for controlling the opening/closing of heat time adjustment module, described smoking switch to comprise in soft-touch control, optoelectronic switch, baroceptor switch and switch with mechanical contact any one.
4. automatic constant-temperature electronic cigarette according to claim 1, it is characterized in that, also comprise state indicator module, the input of described state indicator module is electrically connected with heat time adjustment module, for showing the heating of electronic cigarette, startup and halted state, described state indicator module comprises three-color LED light or off-color material.
5. the automatic constant-temperature electronic cigarette according to any one of claim 1-4, is characterized in that, described heating component comprise containing in positive temperature coefficient metallic heating body, ceramic heating element and metal and ceramic composite heater and carbon fiber exothermic part any one.
6. the automatic constant-temperature electronic cigarette according to any one of claim 1-4, is characterized in that, described heating component comprise containing in negative temperature coefficient metallic heating body, ceramic heating element and metal and ceramic composite heater any one.
7. the automatic constant-temperature electronic cigarette according to any one of claim 1-4, is characterized in that, described power supply is lithium battery.
8. a control method for automatic constant-temperature electronic cigarette, is characterized in that, comprises the steps:
The amplitude of change in resistance when S01, the work of detection heating component;
S02, the amplitude of change in resistance and the size of default center amplitude when comparing heating component work;
S03, regulate heat time of heating component according to the result that compares, be specially, when heating component works, the amplitude of change in resistance is less than the default center amplitude time delay long heat time, heat standard duration when the amplitude of change in resistance equals default center amplitude when heating component works, when the amplitude of change in resistance is greater than default center amplitude when heating component works, shorten the heat time.
9. the control method of automatic constant-temperature electronic cigarette according to claim 8, is characterized in that, also comprises the detecting step preventing from dryouting, step specific as follows,
The speed of change in resistance when a, the work of detection heating component;
B, the speed of change in resistance and the size of preset standard threshold speed when comparing heating component work;
C, heating component is made to continue heating or quit work according to comparative result, be specially, when real-time change in resistance speed is greater than or less than default standard speed threshold value, heating component is made to stop heating, when real-time change in resistance speed is in the standard speed threshold range preset, heating component is made to continue heating.
10. the control method of automatic constant-temperature electronic cigarette according to claim 8 or claim 9, is characterized in that, state step display when also comprising the startup to electronic cigarette, heating and stop.
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| CN201510066981.4A CN104720119A (en) | 2015-02-06 | 2015-02-06 | Automatic constant-temperature electronic cigarette and control method thereof |
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| CN201510066981.4A CN104720119A (en) | 2015-02-06 | 2015-02-06 | Automatic constant-temperature electronic cigarette and control method thereof |
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