CN105876872A - Electronic cigarette work efficiency promotion circuit in low voltage state and method thereof - Google Patents
Electronic cigarette work efficiency promotion circuit in low voltage state and method thereof Download PDFInfo
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- CN105876872A CN105876872A CN201610442329.2A CN201610442329A CN105876872A CN 105876872 A CN105876872 A CN 105876872A CN 201610442329 A CN201610442329 A CN 201610442329A CN 105876872 A CN105876872 A CN 105876872A
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- power amplifier
- amplifier tube
- mcu
- negative pressure
- electronic cigarette
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- A24F47/008—
Abstract
The invention relates to an electronic cigarette work efficiency promotion circuit in a low voltage state and a method thereof. The circuit comprises a rechargeable battery, a power amplifier tube, an MCU and a negative voltage module. An input pin of the power amplifier tube is connected with a positive pole of the rechargeable battery, an output pin of the power amplifier tube is connected with a positive pole of a power source, a control pin of the power amplifier tube is connected with the output end of the negative voltage module, and the input end of the negative voltage module is connected with the MCU. The MCU and the negative voltage module are added into an original reverse connection device, the MCU generates a pulse width modulation signal, the negative voltage module is controlled to switch between a charging mode and a discharging mode through the pulse width modulation signal, the control pin of the power amplifier tube is made to generate a negative voltage equal to a negative power supply voltage of the MCU, and a low GS voltage can still be maintained after the voltage of the rechargeable battery drops, so that the purpose of improving the internal resistance of the power amplifier tube is achieved; after the voltage of the rechargeable battery drops, the power amplifier tube can still work at the low GS voltage, so that the purpose of improving the stability and efficiency of a whole system is achieved.
Description
Technical field
The present invention relates to electronic cigarette technical field, more specifically refer to electronic cigarette in a low voltage state
Work efficiency promotes circuit and method thereof.
Background technology
Along with healthy attention rate is risen by people, people will appreciate that Nicotiana tabacum L. is for people's body
The harm of body, therefore, creates electronic cigarette.Electronic cigarette is typically to supply tobacco juice through nebulizer atomization
User uses, and after people take out electronic cigarette, craving for tobacco also can gradually diminish.
Existing electronic cigarette all uses rechargeable battery to power, and disposable electronic cigarette is typically not
The rechargeable battery that can charge, can be the most all with rechargeable battery with the electronic cigarette of Reusability, make at present
The electronic cigarette powered with single-unit lithium rechargeable batteries is designed with the anti-reverse device of electronic cigarette, existing electronics
The anti-reverse device of cigarette is as shown in Figure of description 1, and the p-type high-power MOS tube that it is used, control foot is all
It is directly grounded by R1, voltage (the being called for short GS voltage) maximum etc. between G foot and the S foot of metal-oxide-semiconductor
In the negative of charged battery voltage, i.e.-4.2V.The anti-reverse device of this electronic cigarette is under charged battery voltage
During fall, GS voltage rises, and metal-oxide-semiconductor internal resistance can be caused to rise, add caloric value, affect the steady of system
Qualitative and reduce the efficiency of whole circuit, thus reduce the work efficiency of electronic cigarette.
Chinese patent 201420051821.3 discloses the rechargeable battery assembly of a kind of electronic cigarette and a kind of electricity
Sub-cigarette, in the rechargeable battery assembly of described electronic cigarette, with rechargeable battery and atomization group while of microcontroller
Part connects so that rechargeable battery forms current loop with atomizing component, and the most described microcontroller passes through
Different pins is connected with high-pressure side and the low-pressure end of the heating wire of atomizing component respectively.This annexation
Make described microcontroller follow-up can by each pin obtain in terms of heating wire relevant parameter and then
Determine the resistance of heating wire, judging that the resistance determining the heating wire of atomizing component presets model beyond resistance
When enclosing, the circuit between the heating wire of described rechargeable battery and described atomizing component can be controlled and disconnect, this
Sample can be when the rechargeable battery assembly of electronic cigarette mate with atomizing component power so that electronic cigarette stops
Only work, thus avoid electronic cigarette amount of smoke in use deficiency and rechargeable battery heating and leakage
The generation of situation.
In above-mentioned patent, although also utilize different pins and rechargeable battery and the atomization group of microcontroller
Part connects, but and unresolved how after charged battery voltage declines, power amplifier tube remains to protect relatively
Low GS voltage power supply.
It is therefore desirable to a kind of electronic cigarette of design, it is achieved after charged battery voltage declines, power amplification
Pipe remains to protect relatively low GS voltage power supply.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that electronic cigarette in a low voltage state
Work efficiency promotes circuit and method thereof.
For achieving the above object, the present invention is by the following technical solutions: electronic cigarette in a low voltage state
Work efficiency promotes circuit, including rechargeable battery, power amplifier tube, MCU and for receiving modulation
Signal and carry out the negative pressure module of discharge and recharge, the input pin of described power amplifier tube connects rechargeable battery
Positive pole, the output pin of described power amplifier tube connects the positive pole of power supply, the control of described power amplifier tube
Foot is connected with the outfan of described negative pressure module, and the input of described negative pressure module is connected with described MCU.
Its further technical scheme is: the pulse-width signal of described MCU output is
80KHz-1000KHz, described MCU are provided with PWM foot, and described PWM foot is defeated with described negative pressure module
Enter end to connect.
Its further technical scheme is: the input of described negative pressure module and the negative pole of described rechargeable battery
Between connect to have and carry out, when described negative pressure module is in electric discharge, the bypass resistance that discharges.
Its further technical scheme is: described negative pressure module includes the first energy storage capacitor, first opens
Close diode, second switch diode and the second energy storage capacitor, described first energy storage electricity
The two ends held are connected with the positive pole of described first switching diode and described PWM foot respectively；Described
The negative pole of two switching diodes is connected with described first energy storage capacitor, described second switch diode
Positive pole be connected with described bypass resistance；One end of described second energy storage capacitor is opened with described second
The positive pole closing diode connects, and the other end of described second energy storage capacitor connects the earth.
Its further technical scheme is: described power amplifier tube is anti-reverse p-type metal-oxide-semiconductor, described defeated
Entering foot is S pole, and described control foot is G pole, and described output pin is D pole.
Present invention also offers electronic cigarette work efficiency method for improving in a low voltage state, concrete steps
As follows:
Step one, MCU output pulse width modulated signal, when pulse-width signal is in positive half cycle, negative pressure mould
Block carries out positive charge, and when pulse-width signal is in signal negative half period, negative pressure module is discharged；
Step 2, several week after date of repeat the above steps one, the control foot of power amplifier tube produces one
The individual negative pressure being equivalent to MCU supply voltage negative, now the GS voltage of power amplifier tube approximates lithium and fills
Electricity cell voltage is plus the negative of MCU supply voltage sum, after charged battery voltage declines, the most just
A relatively low GS voltage can be maintained.
Its further technical scheme is: in described step one, and the pulse-width signal of described MCU output is
80KHz-1000KHz。
The present invention compared with prior art provides the benefit that: the electronics in a low voltage state of the present invention
Cigarette work efficiency promotes circuit, by adding MCU and negative pressure module, MCU in original reversal connecting device
Produce pulse-width signal, control negative pressure module by this pulse-width signal and charge and discharge mould
The switching of formula so that the foot generation one that controls of power amplifier tube is equivalent to the negative of MCU supply voltage negative
Pressure, after charged battery voltage declines, the most just can maintain a relatively low GS voltage, thus reach to carry
The purpose of high power amplifier tube internal resistance, after charged battery voltage declines, power amplifier tube remains to protect relatively
Low GS voltage power supply, reaches to improve whole system and stablizes and efficiency purpose.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is that the principle of the electronic cigarette counnter attack regulating device that the single-unit lithium rechargeable batteries of prior art is powered is shown
It is intended to；
The electronic cigarette work efficiency in a low voltage state that Fig. 2 provides for the specific embodiment of the invention promotes
The principle schematic of circuit；
Reference
Q1 power amplifier tube R1 bypass resistance
C2 the first energy storage capacitor D3 the first switching diode
D1 second switch diode C1 the second energy storage capacitor
Detailed description of the invention
In order to more fully understand the technology contents of the present invention, below in conjunction with specific embodiment to the present invention's
Technical scheme is further described and illustrates, but is not limited to this.
Specific embodiment as shown in Fig. 1～2, the electronic cigarette in a low voltage state that the present embodiment provides
Work efficiency promotes circuit, it is possible to achieve electronic cigarette, when using single-unit lithium rechargeable batteries, reduces power
Amplifier tube Q1 turns on internal resistance, reaches to improve whole system and stablizes and efficiency purpose.
Electronic cigarette work efficiency in a low voltage state promotes circuit, including rechargeable battery, power amplification
Pipe Q1, MCU and for receiving modulated signal and carry out the negative pressure module of discharge and recharge, wherein, power is put
The input pin of big pipe Q1 connects the positive pole of rechargeable battery, and the output pin of power amplifier tube Q1 connects power supply
Positive pole, the foot that controls of power amplifier tube Q1 is connected with the outfan of negative pressure module, the input of negative pressure module
End is connected with MCU.
When charging battery electrode connects inverse time, power amplifier tube Q1 because controlling foot and being malleation and be not turned on,
Thus reach to protect the purpose of late-class circuit, only during rechargeable battery polarity connection pair, system works.When
When the pulse-width signal of MCU output is positive half cycle, negative pressure module is charged, when signal is born as half cycle,
Negative pressure module is discharged, several all after dates, can produce a phase at the control foot of power amplifier tube Q1
When in the negative pressure of MCU supply voltage negative, now the GS voltage of power amplifier tube Q1 approximates rechargeable battery
Voltage, plus the negative of MCU supply voltage sum, after charged battery voltage declines, the most just can maintain one
Individual relatively low GS voltage, thus reach to improve the purpose of power amplifier tube Q1 internal resistance, power amplifier tube Q1
Remain to protect relatively low GS voltage power supply.
Above-mentioned electronic cigarette work efficiency in a low voltage state promotes circuit, by original reversal connection
Adding MCU and negative pressure module in device, MCU is produced pulse-width signal, is believed by this pulsewidth modulation
Number controlling negative pressure module charges and discharges the switching of pattern so that the control foot of power amplifier tube Q1
Produce a negative pressure being equivalent to MCU supply voltage negative, after charged battery voltage declines, still with regard to energy
Maintain a relatively low GS voltage, thus reach to improve the purpose of power amplifier tube Q1 internal resistance, in charging
After cell voltage declines, power amplifier tube Q1 remains to protect relatively low GS voltage power supply, reaches to improve whole system
System is stablized and efficiency purpose.
Further, the pulse-width signal of MCU output is 80KHz-1000KHz, above-mentioned MCU
Being provided with PWM foot, this PWM foot is connected with the input of negative pressure module, and this PWM foot is under the control of MCU
The pulse-width signal of output 80KHz-1000KHz；In the present embodiment, preferably 100KHz.
Bypass resistance R1 is had it addition, be connected between the input of negative pressure module and the negative pole of rechargeable battery,
Negative pressure module, in discharge process, can be discharged by this bypass resistance R1.
Above-mentioned negative pressure module include the first energy storage capacitor C2, the first switching diode D3, second
Switching diode D1 and the second energy storage capacitor C1, the two ends of this first energy storage capacitor C2 are divided
Not being connected with positive pole and the PWM foot of the first switching diode D3, so, pulse-width signal is just in
During half cycle, the first energy storage capacitor C2 can carry out positive charge by the first switching diode D3, deposits
Energy storage capacity；The negative pole of second switch diode D1 and the first energy storage capacitor C2 connect, second switch
The positive pole of diode D1 is connected with bypass resistance R1；When the first energy storage capacitor C2 electric discharge, second
Switching diode D1 is breakdown, carries out discharging by second switch diode D1 and bypass resistance R1
Journey；One end of second energy storage capacitor C1 is connected with the positive pole of second switch diode D1, the second energy
The other end of amount storage electric capacity C1 connects the earth, so, discharges at the first energy storage capacitor C2
Time, discharged by second switch diode D1 and bypass resistance R1, and the second energy is deposited
Storage electric capacity C1 is charged, and part energy stores via the second energy storage capacitor C1.
In the present embodiment, power amplifier tube Q1 is anti-reverse p-type metal-oxide-semiconductor, and described input pin is S pole,
Described control foot is G pole, and described output pin is D pole.
This electronic cigarette work efficiency in a low voltage state promotes the method for improving of circuit, and concrete steps are such as
Under:
Step one, MCU output pulse width modulated signal, when pulse-width signal is in positive half cycle, negative pressure mould
Block carries out positive charge, and when pulse-width signal is in signal negative half period, negative pressure module is discharged；
Step 2, several week after date of repeat the above steps one, the control foot of power amplifier tube Q1 produces
One negative pressure being equivalent to MCU supply voltage negative, now the GS voltage of power amplifier tube Q1 approximates lithium
Charged battery voltage is plus the negative of MCU supply voltage sum, after charged battery voltage declines, the most just
A relatively low GS voltage can be maintained.
In above-mentioned steps one, the pulse-width signal of MCU output is 80KHz-1000KHz；In this enforcement
In example, preferably 100KHz.
The above-mentioned technology contents only further illustrating the present invention with embodiment, in order to reader is easier to
Understanding, but do not represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention is prolonged
Stretch or recreate, all being protected by the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (7)
- Electronic cigarette work efficiency the most in a low voltage state promotes circuit, it is characterised in that include charging Battery, power amplifier tube, MCU and for receiving modulated signal and carry out the negative pressure module of discharge and recharge, The input pin of described power amplifier tube connects the positive pole of rechargeable battery, the output pin of described power amplifier tube Connecting the positive pole of power supply, the foot that controls of described power amplifier tube is connected with the outfan of described negative pressure module, The input of described negative pressure module is connected with described MCU.
- Electronic cigarette work efficiency in a low voltage state the most according to claim 1 promotes circuit, It is characterized in that, the pulse-width signal of described MCU output is 80KHz-1000KHz；Described MCU Being provided with PWM foot, described PWM foot is connected with the input of described negative pressure module.
- Electronic cigarette work efficiency in a low voltage state the most according to claim 2 promotes circuit, its It is characterised by, is connected to have between input and the negative pole of described rechargeable battery of described negative pressure module and works as institute State the bypass resistance that negative pressure module carries out discharging when electric discharge.
- Electronic cigarette work efficiency in a low voltage state the most according to claim 3 promotes circuit, It is characterized in that, described negative pressure module include the first energy storage capacitor, the first switching diode, Two switching diodes and the second energy storage capacitor, the two ends of described first energy storage capacitor are respectively It is connected with the positive pole of described first switching diode and described PWM foot；Described second switch diode Negative pole be connected with described first energy storage capacitor, the positive pole of described second switch diode is with described Bypass resistance connects；One end of described second energy storage capacitor is with described second switch diode just Pole connects, and the other end of described second energy storage capacitor connects the earth.
- 5. carry according to the electronic cigarette work efficiency in a low voltage state described in any one of Claims 1-4 Rise circuit, it is characterised in that described power amplifier tube is anti-reverse p-type metal-oxide-semiconductor, and described input pin is S Pole, described control foot is G pole, and described output pin is D pole.
- Electronic cigarette work efficiency method for improving the most in a low voltage state, it is characterised in that concrete steps As follows:Step one, MCU output pulse width modulated signal, when pulse-width signal is in positive half cycle, negative pressure mould Block carries out positive charge, and when pulse-width signal is in signal negative half period, negative pressure module is discharged；Step 2, several week after date of repeat the above steps one, the control foot of power amplifier tube produces one The individual negative pressure being equivalent to MCU supply voltage negative, now the GS voltage of power amplifier tube approximates lithium and fills Electricity cell voltage is plus the negative of MCU supply voltage sum, after charged battery voltage declines, the most just A relatively low GS voltage can be maintained.
- Electronic cigarette work efficiency method for improving in a low voltage state the most according to claim 6, It is characterized in that, in described step one, the pulse-width signal of described MCU output is 80KHz 1000KHz。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442329.2A CN105876872B (en) | 2016-06-17 | 2016-06-17 | Electronic cigarette working efficiency in a low voltage state promotes circuit and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442329.2A CN105876872B (en) | 2016-06-17 | 2016-06-17 | Electronic cigarette working efficiency in a low voltage state promotes circuit and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105876872A true CN105876872A (en) | 2016-08-24 |
| CN105876872B CN105876872B (en) | 2018-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610442329.2A Active CN105876872B (en) | 2016-06-17 | 2016-06-17 | Electronic cigarette working efficiency in a low voltage state promotes circuit and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936986A (en) * | 2016-11-15 | 2019-06-25 | 莱战略控股公司 | Two-wire Verification System for aerosol delivery equipment |
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| CN202205119U (en) * | 2011-08-31 | 2012-04-25 | 深圳市阿龙电子有限公司 | Negative voltage generating circuit |
| CN203873009U (en) * | 2014-05-30 | 2014-10-15 | 深圳市新芯矽创电子科技有限公司 | Electronic cigarette with adjustable voltage |
| TW201607193A (en) * | 2014-08-14 | 2016-02-16 | 菲利浦莫里斯製品股份有限公司 | Rechargeable device with short circuit prevention |
| CN105449792A (en) * | 2016-01-07 | 2016-03-30 | 深圳市施美乐科技股份有限公司 | Charging circuit of electronic tobacco evaporator and electronic cigarette |
| CN205728072U (en) * | 2016-06-17 | 2016-11-30 | 深圳瀚星翔科技有限公司 | Electronic cigarette work efficiency in a low voltage state promotes circuit |
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2016
- 2016-06-17 CN CN201610442329.2A patent/CN105876872B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205119U (en) * | 2011-08-31 | 2012-04-25 | 深圳市阿龙电子有限公司 | Negative voltage generating circuit |
| CN203873009U (en) * | 2014-05-30 | 2014-10-15 | 深圳市新芯矽创电子科技有限公司 | Electronic cigarette with adjustable voltage |
| TW201607193A (en) * | 2014-08-14 | 2016-02-16 | 菲利浦莫里斯製品股份有限公司 | Rechargeable device with short circuit prevention |
| CN105449792A (en) * | 2016-01-07 | 2016-03-30 | 深圳市施美乐科技股份有限公司 | Charging circuit of electronic tobacco evaporator and electronic cigarette |
| CN205728072U (en) * | 2016-06-17 | 2016-11-30 | 深圳瀚星翔科技有限公司 | Electronic cigarette work efficiency in a low voltage state promotes circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936986A (en) * | 2016-11-15 | 2019-06-25 | 莱战略控股公司 | Two-wire Verification System for aerosol delivery equipment |
| US11484066B2 (en) | 2016-11-15 | 2022-11-01 | Rai Strategic Holdings, Inc. | Two-wire authentication system for an aerosol delivery device |
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| Publication number | Publication date |
|---|---|
| CN105876872B (en) | 2018-10-26 |
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