CN107111292B - The control method of electronic cigarette, microprocessor and electronic cigarette applied to electronic cigarette - Google Patents
The control method of electronic cigarette, microprocessor and electronic cigarette applied to electronic cigarette Download PDFInfo
- Publication number
- CN107111292B CN107111292B CN201780000174.XA CN201780000174A CN107111292B CN 107111292 B CN107111292 B CN 107111292B CN 201780000174 A CN201780000174 A CN 201780000174A CN 107111292 B CN107111292 B CN 107111292B
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- Prior art keywords
- voltage
- heating wire
- electronic cigarette
- resistance
- battery
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/53—Monitoring, e.g. fault detection
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- 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
- A24F40/10—Devices using liquid inhalable precursors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25252—Microprocessor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of control methods of electronic cigarette, comprising: the resistance value of heating wire when S1, detection electronic cigarette work in atomizer；The resistance value for the heating wire that S2, basis detect, regulating cell protect the size of voltage.Correspondingly, the invention also discloses a kind of microprocessors and electronic cigarette applied to electronic cigarette.The present invention can the battery rod in accurate judgement electronic cigarette can work normally, improve user experience.
Description
Technical field
The present invention relates to electronic cigarette technical field more particularly to a kind of control method of electronic cigarette, applied to electronic cigarette
Microprocessor and electronic cigarette.
Background technique
Electronic cigarette is a kind of relatively conventional simulation cigarette electronic product, is mainly used for smoking cessation and cigarette substitute；Electronic cigarette
Structure mainly include battery component and atomizing component.The tobacco tar that the atomizing component includes atomization set, is set in atomization set
Adsorption piece and heating wire, the heating wire and tobacco tar adsorption piece fit to be atomized the tobacco tar of the tobacco tar adsorption piece absorption, when
When detecting the smoking movement of smoker, battery component is atomizing component power supply, keeps atomizing component in the open state；Work as atomization
After component is opened, electrothermal wire heating, the heated evaporation atomization of tobacco tar forms the aerosol of simulated flue gas, to allow user when inhaling
There is a kind of feeling of similar smoking.
The resistance value that heating wire in existing atomizer usually has 0.2 Ω different to 0.5 Ω etc., in identical battery electricity
Under pressure power supply, since the atomizer discharge current of 0.2 Ω is larger, power consumption rate is fast, thus after using for a period of time, cell voltage
Preset value is rapidly dropped to, the battery protecting circuit in electronic cigarette, which then controls battery, to be stopped to the atomizer power supply of 0.2 Ω.So
And after due to battery there is voltage recovery capability, the i.e. voltage of battery battery in use to drop to preset value, then stop one
The voltage of battery can also rise after the meeting, thus, if the atomizer of 0.2 Ω to be changed to the atomizer of 0.5 Ω at this time,
Since the operating current of 0.5 Ω is small, power consumption is slow, then the battery can also make the atomizer of 0.5 Ω work on a period of time,
And use the then cisco unity malfunction of 0.2 Ω.The atomizer that thus user would generally judge 0.2 Ω by accident has damaged or battery rod
There is abnormal, poor user experience.
Summary of the invention
Whether the present invention can work normally for the battery rod existing in the prior art being unable to judge accurately in electronic cigarette
The technical issues of, a kind of provide electronic cigarette control method, microprocessor and electronic cigarette applied to electronic cigarette can accurately be sentenced
Can the battery rod in disconnected electronic cigarette work normally, and improve user experience.
On the one hand, the present invention provides a kind of control methods of electronic cigarette, comprising:
The resistance value of heating wire when S1, detection electronic cigarette work in atomizer；
The resistance value for the heating wire that S2, basis detect, regulating cell protect the size of voltage.
Preferably, the step S1 is specifically included:
In electronic cigarette work, first switch and the second switch is sequentially turned on, to detect the work of the heating wire
Voltage and operating current, and calculate according to the operating voltage and the operating current resistance value of the heating wire.
Preferably, the operating voltage and operating current that the heating wire is detected in the step S1, specifically include:
The voltage of described heating wire one end is detected, and the supply voltage based on the electronic cigarette calculates the heating wire
Operating voltage, and the voltage of detection divider resistance one end, and the resistance value based on the divider resistance calculates the electric heating
The operating current of silk.
Preferably, the step S2 is specifically included:
Corresponding relationship between resistor tracks between battery protection voltage value is set；
Between resistor tracks where the resistance value for the heating wire that lookup detects, and obtain the resistor tracks found
Between corresponding battery protection voltage value；
The size of the battery protection voltage is adjusted to the battery protection voltage value got.
On the other hand, the present invention provides a kind of microprocessors applied to electronic cigarette, comprising:
Detection module, the resistance value of heating wire when for detecting electronic cigarette work in atomizer；And
Adjustment module, for the resistance value according to the heating wire detected, regulating cell protects the size of voltage.
Preferably, the detection module is specifically used for:
In electronic cigarette work, first switch and the second switch is sequentially turned on, to detect the work of the heating wire
Voltage and operating current, and calculate according to the operating voltage and the operating current resistance value of the heating wire.
Preferably, the operating voltage and operating current of the detection heating wire, specifically:
The voltage of described heating wire one end is detected, and the supply voltage based on the electronic cigarette calculates the heating wire
Operating voltage, and the voltage of detection divider resistance one end, and the resistance value based on the divider resistance calculates the electric heating
The operating current of silk.
Preferably, the adjustment module specifically includes:
Setting unit, for the corresponding relationship between resistor tracks between battery protection voltage value to be arranged；
Searching unit between the resistor tracks where resistance value for searching the heating wire detected, and is obtained and is looked into
Corresponding battery protection voltage value between the resistor tracks found；And
Voltage regulation unit, the battery protection voltage for the size of the battery protection voltage to be adjusted to get
Value.
On the other hand, the present invention provides a kind of electronic cigarettes, including the atomizer for atomization smoke oil, for the mist
The battery rod for changing device power supply, for providing the battery protecting circuit and above-mentioned microprocessor of protection to the battery rod power supply；
The heating wire of different resistance values is provided in the atomizer, the atomizer removably connects with the battery rod
It connects.
Preferably, the battery protecting circuit include battery protecting circuit unit, first resistor, second resistance, capacitor and
Field-effect tube；
One end of the first resistor connects the anode of the battery rod, the other end of the first resistor respectively with it is described
One end of capacitor, battery protecting circuit unit connection, the other end of the capacitor connect the cathode of the battery rod；It is described
One end of second resistance connects the battery protecting circuit unit, the other end ground connection of the second resistance；The field-effect tube
Grounded drain, the source electrode of the field-effect tube connects the cathode of the battery rod, described in the grid connection of the field-effect tube
Battery protecting circuit unit.
One or more technical solution provided by the invention, has at least the following technical effects or advantages:
Since heating wire is equipped with different resistance values in atomizer, thus pass through the electricity to heating wire in electronic cigarette work
Resistance value is measured in real time, so as to the size of the real-time regulating cell protection voltage of resistance value according to transformation, thus in small resistance
Atomizer stop working because of battery protection after, the atomizer for the big resistance changed cannot equally use, and user is avoided to judge by accident
The atomizer of small resistance has damaged or abnormal, raising user experience occurs in battery rod.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram of the control method of electronic cigarette provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the microprocessor applied to electronic cigarette provided in an embodiment of the present invention；
Fig. 3 is a kind of partial circuit schematic diagram of electronic cigarette provided in an embodiment of the present invention；
Fig. 4 is the circuit theory of the battery protecting circuit in a kind of electronic cigarette internal circuit provided in an embodiment of the present invention
Figure；
Fig. 5 is a kind of partial circuit schematic diagram of electronic cigarette provided in an embodiment of the present invention；
Fig. 6 is the circuit diagram of the reset circuit in a kind of electronic cigarette internal circuit provided in an embodiment of the present invention；
Fig. 7 is the circuit diagram of the battery voltage detection circuit in a kind of electronic cigarette provided in an embodiment of the present invention；
Fig. 8 is the circuit diagram of key module in a kind of electronic cigarette internal circuit provided in an embodiment of the present invention；
Fig. 9 is the circuit diagram of display module in a kind of electronic cigarette internal circuit provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention can not accurately be sentenced by providing a kind of control method of electronic cigarette for solving in the prior art
The technical issues of whether battery rod in disconnected electronic cigarette can work normally, can battery rod in accurate judgement electronic cigarette can be just
Often work improves user experience.
The technical solution of the embodiment of the present invention is in order to solve the above technical problems, general thought is as follows:
The embodiment of the invention provides a kind of control methods of electronic cigarette, comprising: atomizer when S1, detection electronic cigarette work
In heating wire resistance value；The resistance value for the heating wire that S2, basis detect, regulating cell protect the size of voltage.
As it can be seen that in embodiments of the present invention, by being measured in real time when electronic cigarette works to the resistance value of heating wire,
So as to the size of the real-time regulating cell protection voltage of resistance value according to transformation, thus small resistance atomizer because of battery protection
And after stopping working, the atomizer for the big resistance changed cannot equally use, and the atomizer for avoiding user from judging small resistance by accident has damaged
There is abnormal, raising user experience in bad or battery rod.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application
The detailed description of technical solution, rather than the restriction to technical scheme, in the absence of conflict, the present invention are implemented
Technical characteristic in example and embodiment can be combined with each other.
Embodiment one
Referring to FIG. 1, the embodiment of the invention provides a kind of control methods of electronic cigarette, comprising:
The resistance value of heating wire when S1, detection electronic cigarette work in atomizer；
The resistance value for the heating wire that S2, basis detect, regulating cell protect the size of voltage.
It should be noted that the atomizer and battery rod in electronic cigarette are detachably connected, the heating wire in atomizer is set
There is different resistance values, the heating wire of different resistance values can be converted in use.In electronic cigarette work, real-time detection electricity
The resistance value of heated filament, and different heating wire resistance values is corresponding with different battery protection voltage values, thus what acquisition detected
Battery protection voltage value corresponding to the resistance value of heating wire, so that the size to battery protection voltage is adjusted.This implementation
Example according to the size of the real-time regulating cell protection voltage of the size of the resistance value of heating wire, so as in the atomizer of small resistance because of electricity
Pond is protected after stopping working, and the atomizer for the big resistance changed cannot equally use, and user is avoided to judge the atomization of small resistance by accident
Device has damaged or abnormal, raising user experience occurs in battery rod.
Further, in the specific implementation process, the step S1 is specifically included:
In electronic cigarette work, first switch and the second switch is sequentially turned on, to detect the work of the heating wire
Voltage and operating current, and calculate according to the operating voltage and the operating current resistance value of the heating wire.
Preferably, the operating voltage and operating current that the heating wire is detected in the step S1, specifically include:
The voltage of described heating wire one end is detected, and the supply voltage based on the electronic cigarette calculates the heating wire
Operating voltage, and the voltage of detection divider resistance one end, and the resistance value based on the divider resistance calculates the electric heating
The operating current of silk.
It should be noted that first switch and the second switch timesharing is opened, electric heating after the smoking switch of electronic cigarette is opened
Silk work atomization smoke oil.Wherein, first switch and the second switch can be field-effect tube.At this point, microprocessor detects heating wire one
The voltage at end, and the voltage of the heating wire other end is battery rod voltage, so that the voltage based on heating wire both ends calculates electric heating
The operating voltage of silk, in addition microprocessor detects the voltage of divider resistance one end, and the other end of divider resistance is grounded, thus base
The electric current for flowing through divider resistance is calculated in the voltage at divider resistance both ends and the resistance value of divider resistance, and flows through divider resistance
Electric current be heating wire operating current.Heating wire can be calculated after the operating voltage and operating current for obtaining heating wire
Resistance value, and then corresponding battery protection voltage is automatically adjusted according to the size of the resistance value of heating wire.
Further, in the specific implementation process, the step S2 is specifically included:
Corresponding relationship between resistor tracks between battery protection voltage value is set；
Between resistor tracks where the resistance value for the heating wire that lookup detects, and obtain the resistor tracks found
Between corresponding battery protection voltage value；
The size of the battery protection voltage is adjusted to the battery protection voltage value got.
It should be noted that the resistance value due to heating wire during the work time can slightly become with the variation of temperature
Change, thus preset between resistor tracks with the one-to-one relationship of battery protection voltage value and saved, for example, resistance
Value 0.2 Ω -0.3 Ω of section corresponds to battery protection voltage value 2.8V, and 0.31 Ω -0.4 Ω corresponds to battery protection electricity between resistor tracks
Pressure value 3.0V, the corresponding battery protection voltage value 3.2V of 0.41 Ω or more between resistor tracks.
After the resistance value of real-time detection to heating wire, between searching the resistor tracks where the resistance value, and then obtaining should
Corresponding battery protection voltage value between resistor tracks, and the battery protection voltage that the battery protection voltage value is adjusted needed for being
Size.
To sum up, by implement the application above-mentioned technical proposal, can small resistance atomizer due to battery protection
After stopping working, the atomizer for the big resistance changed cannot equally be used, and the atomizer for avoiding user from judging small resistance by accident has damaged
Or there is abnormal, raising user experience in battery rod.
Embodiment two
Based on the same inventive concept, referring to FIG. 2, the present invention also provides a kind of microprocessor applied to electronic cigarette,
It can be realized all processes of the control method of electronic cigarette provided by embodiment one, the microprocessor includes:
Detection module 1, the resistance value of heating wire when for detecting electronic cigarette work in atomizer；And
Adjustment module 2, for the resistance value according to the heating wire detected, regulating cell protects the size of voltage.
Preferably, the detection module 1 is specifically used for:
In electronic cigarette work, first switch and the second switch is sequentially turned on, to detect the work of the heating wire
Voltage and operating current, and calculate according to the operating voltage and the operating current resistance value of the heating wire.
Preferably, the operating voltage and operating current of the detection heating wire, specifically:
The voltage of described heating wire one end is detected, and the supply voltage based on the electronic cigarette calculates the heating wire
Operating voltage, and the voltage of detection divider resistance one end, and the resistance value based on the divider resistance calculates the electric heating
The operating current of silk.
Preferably, the adjustment module 2 specifically includes:
Setting unit, for the corresponding relationship between resistor tracks between battery protection voltage value to be arranged；
Searching unit between the resistor tracks where resistance value for searching the heating wire detected, and is obtained and is looked into
Corresponding battery protection voltage value between the resistor tracks found；And
Voltage regulation unit, the battery protection voltage for the size of the battery protection voltage to be adjusted to get
Value.
To sum up, by implement the application above-mentioned technical proposal, can small resistance atomizer due to battery protection
After stopping working, the atomizer for the big resistance changed cannot equally be used, and the atomizer for avoiding user from judging small resistance by accident has damaged
Or there is abnormal, raising user experience in battery rod.
Embodiment three
Based on the same inventive concept, Fig. 3 and Fig. 4 are please referred to, the present invention also provides a kind of electronic cigarettes, are used for atomization smoke oil
Atomizer (not shown), the battery rod (not shown) for powering to the atomizer, for the battery
The battery protecting circuit 86 and the microprocessor U10 in embodiment two that bar power supply provides protection；
The heating wire 21 of different resistance values is provided in the atomizer, the atomizer and the battery rod are removably
Connection.
Wherein, microprocessor U10 is the microprocessor of the model STM32F030K6 produced with group, STMicw Electronics
Circuit structure is identical, and therefore, details are not described herein for microprocessor U10 internal structure.
Preferably, the battery protecting circuit 86 includes battery protecting circuit unit U12, first resistor R52, second resistance
R53, capacitor C33 and field-effect tube Q12；
First resistor R52 one end connection battery rod positive B+, the other end of first resistor R52 respectively with capacitor C33
One end, battery protecting circuit unit U12 VDD pin connection, capacitor C33 the other end connection battery rod cathode B-；The
The VM pin of one end connection battery protecting circuit unit U12 of two resistance R53, the other end ground connection of second resistance R53；Field-effect
The grounded drain of pipe Q12, the cathode B- of the source electrode connection battery rod of field-effect tube Q12, the grid of field-effect tube Q12 connect chip
The DO pin of U12.The battery protecting circuit circuit 86 is for protecting battery supply.Wherein, battery protecting circuit list
The circuit knot of the battery protection chip of the model MM3280 of upper beautiful (MITSUMI) the company production of the circuit structure and U.S. of first U12
Structure is identical, and therefore, details are not described herein for circuit structure.
In addition, electronic cigarette further includes switching circuit 87 and bleeder circuit 88；The switching circuit 87 includes resistance R43, electricity
Hinder R41, resistance R42, field-effect tube Q8 and field-effect tube Q9；The bleeder circuit 88 includes resistance R38, resistance R39 and capacitor
C22.Wherein, field-effect tube Q8 is first switch, and field-effect tube Q9 is second switch, and resistance R43 is divider resistance.
The one end of the drain electrode of the field-effect tube Q8 respectively with one end O- of the heating wire 21, the resistance R38 is electrically connected
It connects, the PA2 pin electrical connection of the other end of the resistance R38 and the microprocessor U10, one end of the capacitor C22 and institute
State the PA2 pin electrical connection of microprocessor U10, the other end ground connection of the capacitor C22, the resistance R39 and the capacitor C22
It is in parallel；The source electrode of the field-effect tube Q8 is grounded, the grid of the field-effect tube Q8 PB0 with the microprocessor U10 respectively
One end electrical connection of pin, the resistance R42, the other end ground connection of the resistance R42；The drain electrode of the field-effect tube Q9 and institute
State one end electrical connection of resistance R41, one end O- electrical connection of the other end and the heating wire 21 of the resistance R41, the field
The source electrode of effect pipe Q9 is grounded, the grid of the field-effect tube Q9 respectively with the PB1 pin of the microprocessor U10, the electricity
Hinder one end electrical connection of R43, the other end ground connection of the resistance R43.
It should be noted that making micro process when bleeder circuit is mainly used for the voltage at the O- of heating wire one end greater than 3V
Device can also read the voltage value at O-.In the specific implementation process, when the PB0 pin of microprocessor U10 exports high level, field effect
Should pipe Q8 conducting, heating wire work.When the PB1 pin of microprocessor U10 exports high level, field-effect tube Q9 conducting, to check
The voltage of the one end resistance R43, to calculate the resistance value of heating wire.
Further, as shown in Fig. 5,6,7, electronic cigarette further includes charging USB interface P1, charge management circuit 81, boosting
Circuit 82, voltage regulator circuit 83, reset circuit 84, battery voltage detection circuit 85, battery protecting circuit 86.
Wherein, charging USB interface P1 charges for outer bound pair electronic cigarette comprising five interfaces, interface 2, interface 3
It is used for interface 4 to electronic cigarette write-in program, interface 5 is grounded, and interface 1 is electrically connected by resistance R27 with charge management circuit 81.
Charge management circuit 81 includes charge management circuit unit U7 and resistance R32, wherein the electricity of the charge management circuit unit U7
Road is identical as the circuit structure of charging management chip of model AP5056 that Wuxi Chipown Microelectronics Co., Ltd. produces,
Therefore, details are not described herein for the internal structure of the charge management circuit unit U7.One end of resistance R32 and charge management circuit
The PROG pin of unit U7 connects, and the other end ground connection of resistance R32, the BAT pin of charge management circuit unit U7 connects battery
The positive B+ of bar.In electronic cigarette charging process, the CHGING pin of charge management circuit unit U7 is low level, DONE pin
For high level；After electronic cigarette completes charging, the CHGING pin of charge management circuit unit U7 is high level, and DONE pin is
Low level.
Booster circuit 82 includes booster circuit unit U8, inductance L2, diode D4, resistance R28 and resistance R31.Wherein, it rises
The electricity of the boost chip of the circuit of volt circuit unit U8 and the model MT3608 of Xi'an space flight Min Xin Science and Technology Ltd. production
Line structure is identical, and therefore, details are not described herein for the circuit structure of booster circuit unit U8.Booster circuit 82 passes through field-effect tube Q6
Power supply is connected with triode Q7.The positive B+ of the source electrode connection battery rod of field-effect tube Q6, the grid of field-effect tube Q6 and three poles
The collector of pipe Q7 connects, and the base stage of triode Q7 accesses power supply 5V_EN by resistance R33, and the emitter of triode Q7 is grounded,
The drain electrode of field-effect tube Q6 is connected with one end of inductance L2, the VIN pin of booster circuit unit U8, EN pin respectively；Inductance L2
The other end respectively with the SW pin of booster circuit unit U8, diode D4 anode connection, the cathode and resistance of diode D4
One end of R28 connects, and the other end of resistance R28 is connected with one end of the FB pin of booster circuit unit U8, resistance R31 respectively,
The other end of resistance R31 is grounded.In addition, the output end of the booster circuit 82 is connect with USB interface P2, the booster circuit 82
For the boost in voltage of 5V will to be less than to 5V.When charging the battery, the base stage of triode Q7 is low level signal, field effect
Should pipe Q6 and triode Q7 close, when charging to the external world, the base stage of triode Q7 is high level signal, field-effect tube Q6 and three
Pole pipe Q7 conducting, charges to the external world by USB interface P2.
Linear voltage-stabilizing circuit 83 includes voltage regulator circuit unit U9 and diode D5.The anode connection battery rod of diode D5
The Vin pin of the cathode connection voltage regulator circuit unit U9 of positive B+, diode D5, the Vout pin connection of voltage regulator circuit unit U9
Power vd D.The supply voltage that the linear voltage-stabilizing circuit 83 is used to will be greater than 3V is adjusted, to export the VDD of stable 3V
Voltage.Wherein, the pressure stabilizing core of the circuit structure of voltage regulator circuit unit U9 and the model TLV70430 of Texas Instruments' production
Piece circuit structure is identical.Therefore, details are not described herein for the circuit structure of voltage regulator circuit unit U9.
Reset circuit 84 includes reset circuit unit U11 and resistance R40.The vin pin of reset circuit unit U11 respectively and
One end connection of power vd D, resistance R40, the other end of resistance R40 vout pin, the Wei Chu with reset circuit unit U11 respectively
Manage the NRST pin connection of device U10, the vss pin ground connection of reset circuit unit U11.The reset circuit 84 is used at VDD
Voltage be less than 2.2V when, export low level, make microprocessor U10 reset, it is out of control to avoid microprocessor U10.Wherein, described
The reset circuit chip electricity of the reset circuit unit U11 and model NC/BL8506-22 of Shanghai Belling Co., Ltd.'s production
Line structure is identical, and therefore, details are not described herein for internal circuit structure.
Battery voltage detection circuit 85 includes resistance R44, resistance R45 and capacitor C25.One end of resistance R44 connects power supply
One end of the other end connection resistance R45 of VBAT, resistance R44, the other end ground connection of resistance R45, capacitor C25 and resistance R45 are simultaneously
Connection.The battery voltage detection circuit 85 is used for when cell voltage is less than preset value (usually 3.3V), and control battery cannot
It powers to heating wire.
Further, as shown in figure 8, electronic cigarette further includes key module, key module includes switch S1, switch S2, opens
Close S3, switch S4, resistance R47, resistance R48, resistance R49 and resistance R50.One end of switch S1 is separately connected the one of resistance R47
It holds, the KEY pin of microprocessor U10, the other end of resistance R47 connects power vd D, the other end ground connection of switch S1；Switch S2
One end be separately connected the KEY+ pin of one end of resistance R48, microprocessor U10, the other end of resistance R48 connects power vd D,
The other end of switch S2 is grounded；One end of switch S3 is separately connected the KEY- pin of one end of resistance R49, microprocessor U10, electricity
The other end for hindering R48 connects power vd D, the other end ground connection of switch S3；One end of switch S4 is separately connected the one of resistance R50
It holds, the KEY_0 pin of microprocessor U10, the other end of resistance R50 connects power vd D, the other end ground connection of switch S4.Wherein,
Switch S1 is tobacco control switch, and switch S2 is that power reduces control switch, and switch S3 is that power increases control switch, switch S4
For external charging control switch.
Further, as shown in figure 9, electronic cigarette further includes display module, display module includes chip OLED1, triode
Q13, field-effect tube Q10 and triode Q11.The positive B+ of the drain electrode connection battery rod of field-effect tube Q10, field-effect tube Q10's
Source electrode connects the VBAT pin of chip OLED1, and the grid of chip OLED1 passes through the collector of resistance R54 connecting triode Q13,
The emitter of triode Q13 is grounded, and the base stage of triode Q13 passes through the VDD pin of resistance R57 connection chip OLED1；Triode
The base stage of Q11 is by the PA11 pin of resistance R55 connection microprocessor U10, the emitter connection power vd D of triode Q11, and three
The VDD pin of the collector connection chip OLED1 of pole pipe Q11.The SCL pin and SDA pin of chip OLED1 is for being written number
According to.The display module is when being waken up, the base stage input low level signal of triode Q11, triode Q13, field-effect tube Q10
It is connected with triode Q11, to realize power saving.Display module is used to show the actual temperature of driving power and heating wire.
To sum up, by implement the application above-mentioned technical proposal, can small resistance atomizer due to battery protection
After stopping working, the atomizer for the big resistance changed cannot equally be used, and the atomizer for avoiding user from judging small resistance by accident has damaged
Or there is abnormal, raising user experience in battery rod.
In conclusion due in atomizer of the present invention heating wire be equipped with different resistance values, thus electronic cigarette work when
It is measured in real time by the resistance value to heating wire, so that the real-time regulating cell of resistance value according to transformation protects the big of voltage
It is small, so that the atomizer for the big resistance changed cannot equally make after the atomizer of small resistance stops working because of battery protection
With the atomizer for avoiding user from judging small resistance by accident has damaged or battery rod occurs abnormal, improves user experience.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of control method of electronic cigarette characterized by comprising
The resistance value of heating wire when S1, detection electronic cigarette work in atomizer；
The resistance value for the heating wire that S2, basis detect, regulating cell protect the size of voltage；
The step S2 is specifically included:
Corresponding relationship between resistor tracks between battery protection voltage value is set；
Between resistor tracks where the resistance value for the heating wire that lookup detects, and obtain institute between the resistor tracks found
Corresponding battery protection voltage value；
The size of the battery protection voltage is adjusted to the battery protection voltage value got.
2. the control method of electronic cigarette as described in claim 1, which is characterized in that the step S1 is specifically included:
In electronic cigarette work, first switch and the second switch is sequentially turned on, to detect the operating voltage of the heating wire
And operating current, and calculate according to the operating voltage and the operating current resistance value of the heating wire.
3. the control method of electronic cigarette as claimed in claim 2, which is characterized in that detect the heating wire in the step S1
Operating voltage and operating current, specifically include:
The voltage of described heating wire one end is detected, and the supply voltage based on the electronic cigarette calculates the work of the heating wire
Voltage, and the voltage of detection divider resistance one end, and the resistance value based on the divider resistance calculates the heating wire
Operating current.
4. a kind of microprocessor applied to electronic cigarette characterized by comprising
Detection module, the resistance value of heating wire when for detecting electronic cigarette work in atomizer；And
Adjustment module, for the resistance value according to the heating wire detected, regulating cell protects the size of voltage；
The adjustment module specifically includes:
Setting unit, for the corresponding relationship between resistor tracks between battery protection voltage value to be arranged；
Searching unit between the resistor tracks where resistance value for searching the heating wire detected, and is obtained and is found
Resistor tracks between corresponding battery protection voltage value；And
Voltage regulation unit, the battery protection voltage value for the size of the battery protection voltage to be adjusted to get.
5. being applied to the microprocessor of electronic cigarette as claimed in claim 4, which is characterized in that the detection module is specifically used
In:
In electronic cigarette work, first switch and the second switch is sequentially turned on, to detect the operating voltage of the heating wire
And operating current, and calculate according to the operating voltage and the operating current resistance value of the heating wire.
6. being applied to the microprocessor of electronic cigarette as claimed in claim 5, which is characterized in that the detection heating wire
Operating voltage and operating current, specifically:
The voltage of described heating wire one end is detected, and the supply voltage based on the electronic cigarette calculates the work of the heating wire
Voltage, and the voltage of detection divider resistance one end, and the resistance value based on the divider resistance calculates the heating wire
Operating current.
7. a kind of electronic cigarette, which is characterized in that the electricity including the atomizer for atomization smoke oil, for powering to the atomizer
Pond bar, for the battery protecting circuit to battery rod power supply offer protection, and such as any one of claim 4 to 6 institute
The microprocessor stated；
The heating wire of different resistance values is provided in the atomizer, the atomizer and the battery rod are detachably connected.
8. electronic cigarette as claimed in claim 7, which is characterized in that the battery protecting circuit includes battery protecting circuit list
Member, first resistor, second resistance, capacitor and field-effect tube；
One end of the first resistor connects the anode of the battery rod, the other end of the first resistor respectively with the capacitor
One end, battery protecting circuit unit connection, the other end of the capacitor connects the cathode of the battery rod；Described second
One end of resistance connects the battery protecting circuit unit, the other end ground connection of the second resistance；The leakage of the field-effect tube
Pole ground connection, the source electrode of the field-effect tube connect the cathode of the battery rod, and the grid of the field-effect tube connects the battery
Protect circuit unit.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/079103 WO2018176410A1 (en) | 2017-03-31 | 2017-03-31 | Control method for electronic cigarette, microprocessor for electronic cigarette and electronic cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107111292A CN107111292A (en) | 2017-08-29 |
| CN107111292B true CN107111292B (en) | 2019-10-25 |
Family
ID=59663729
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780000174.XA Expired - Fee Related CN107111292B (en) | 2017-03-31 | 2017-03-31 | The control method of electronic cigarette, microprocessor and electronic cigarette applied to electronic cigarette |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107111292B (en) |
| WO (1) | WO2018176410A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208523769U (en) * | 2018-04-13 | 2019-02-22 | 赫斯提亚深圳生物科技有限公司 | A kind of apparatus for aerosol creation and its circuit |
| CN109907379B (en) * | 2019-04-10 | 2021-10-26 | 深圳市卓力能技术有限公司 | Atomization device and output control method thereof |
| CN109875132A (en) * | 2019-04-23 | 2019-06-14 | 深圳市吉迩科技有限公司 | A kind of electronic cigarette adaptive power control method and its device |
| CN110731545B (en) * | 2019-10-18 | 2022-12-27 | 深圳麦克韦尔科技有限公司 | Atomization assembly heating control method and device, electronic atomization device and storage medium |
| CN114376268B (en) * | 2021-12-30 | 2024-03-15 | 西安稳先半导体科技有限责任公司 | Tobacco stem and electronic cigarette |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203087525U (en) * | 2012-06-14 | 2013-07-31 | 深圳市新宜康科技有限公司 | Environment-friendly type non-ignitable atomizing electronic cigarette |
| US11901747B2 (en) * | 2013-07-23 | 2024-02-13 | Altria Client Services Llc | Charger for an electronic cigarette |
| CN205214209U (en) * | 2015-10-21 | 2016-05-11 | 惠州市吉瑞科技有限公司深圳分公司 | Electronic cigarette |
| CN106343617B (en) * | 2016-11-30 | 2019-04-30 | 广州周立功单片机科技有限公司 | Electronic cigarette control method, device and electronic cigarette |
-
2017
- 2017-03-31 WO PCT/CN2017/079103 patent/WO2018176410A1/en active Application Filing
- 2017-03-31 CN CN201780000174.XA patent/CN107111292B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107111292A (en) | 2017-08-29 |
| WO2018176410A1 (en) | 2018-10-04 |
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