CN109907378A - Electronic cigarette power circuit and electronic cigarette - Google Patents
Electronic cigarette power circuit and electronic cigarette Download PDFInfo
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- CN109907378A CN109907378A CN201910284122.0A CN201910284122A CN109907378A CN 109907378 A CN109907378 A CN 109907378A CN 201910284122 A CN201910284122 A CN 201910284122A CN 109907378 A CN109907378 A CN 109907378A
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 86
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000002955 isolation Methods 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 7
- -1 wherein Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The present invention discloses a kind of electronic cigarette power circuit and electronic cigarette, wherein, electronic cigarette power circuit includes power module, power-fail detection circuit, accumulator and control circuit, in power module power down, the test side voltage of power-fail detection circuit becomes zero, the power input of power-fail detection circuit is connected to power output end, accumulator passes through power-fail detection circuit out-put supply to control circuit, control circuit starts to carry out the shutdown control of electronic cigarette, such as close atomizer, atomizer parameter storage etc., before accumulator terminates by preset time electric discharge, control circuit completes shutdown work, occurs loss of data after a power failure to solve electronic cigarette, damage and hardware circuit do not have the problem of normal switching-off, improve service life and the stability of electronic cigarette.
Description
Technical field
The present invention relates to electronic cigarette technical field, in particular to a kind of electronic cigarette power circuit and electronic cigarette.
Background technique
Electronic cigarette is largely powered using detachable lithium at present.Lack detection of power loss function during dismounting cell
Can, may cause electronic cigarette loss of vital data, damage, hardware circuit do not have normal switching-off, thus influence electronic cigarette service life and
Stability.
Summary of the invention
The main object of the present invention is to provide a kind of electronic cigarette power circuit, it is intended to solve electronic cigarette and occur number after a power failure
Do not have the problem of normal switching-off according to loss, damage and hardware circuit.
To achieve the above object, electronic cigarette power circuit proposed by the present invention includes power module, power-fail detection circuit, storage
Energy circuit and control circuit, the first power end of the power module, the power input of locating accumulator and the power down
The test side of detection circuit interconnects, and the second source end of the power supply power module and the first power end of the control circuit connect
It connects, the power output end of the accumulator is connect with the power input of the power-fail detection circuit, the detection of power loss electricity
The power output end on road is connect with the second source end of the control circuit；
The accumulator, for receiving the power supply of the power module output and carrying out energy storage；
The power-fail detection circuit is used for when detecting the power module power down, and the power supply of the accumulator is defeated
Out to the control circuit, so that the control circuit carries out the shutdown control of electronic cigarette.
Preferably, the power-fail detection circuit includes accumulator isolation capacitance, switching circuit and pull down resistor；
One end of the isolation capacitance, the power input of the accumulator, the power module the first power end
Interconnection, the second end of the isolation capacitance are connect with the controlled end of the switching circuit, the power output end of the accumulator
Connect with the power input of the switching circuit, the power output end of the switching circuit, the pull down resistor one end and
The second source end of the control circuit interconnects, the second end ground connection of the pull down resistor；
The isolation capacitance, in the power module power down, exporting low level to the switching circuit；
The switching circuit is exported for the conducting when receiving the low level, and by the power supply of the accumulator
To the control circuit, so that the control circuit carries out the shutdown control of electronic cigarette.
Preferably, the electronic cigarette power circuit further includes voltage conversion circuit；
The first of the power output end of the power module, the input terminal of the voltage conversion circuit and the isolation capacitance
End interconnection, the first power supply of the output end of the voltage conversion circuit, the first end of the accumulator and the control circuit
End interconnection.
Preferably, the voltage conversion circuit includes three terminal regulator, and the input terminal of the three terminal regulator is the electricity
The input terminal of voltage conversion circuit, the output end of the three terminal regulator are the output end of the voltage conversion circuit, three end
The ground terminal of voltage-stablizer is grounded.
Preferably, the switching circuit includes PNP triode, the base stage of the PNP triode and the isolation capacitance
Second end connection, the emitter of the PNP triode are connect with the power output end of the accumulator, the PNP triode
Collector, the pull down resistor first end and the control circuit second source end connection.
Preferably, the accumulator includes first diode and storage capacitor, the anode of the first diode and institute
State the power output end connection of voltage conversion circuit, the first end, described of the cathode of the first diode, the storage capacitor
The output end of voltage conversion circuit and the interconnection of the emitter of the PNP triode, the second end ground connection of the storage capacitor.
Preferably, the power-fail detection circuit further includes the first current-limiting resistance and the second current-limiting resistance, first current limliting
The first end of resistance is connect with the first power output end of the power module, the second end of first current-limiting resistance with it is described
The first end of isolation capacitance connects, the first end of second current-limiting resistance, the power output end of the accumulator and institute
State the power input interconnection of PNP triode, the second end of second current-limiting resistance, the second end of the isolation capacitance and institute
State the base stage interconnection of PNP triode.
Preferably, the power-fail detection circuit further includes the voltage regulator circuit for preventing over-voltage, and the voltage regulator circuit includes
Zener diode, the first of the cathode of the zener diode, the second end of first current-limiting resistance and the isolation capacitance
End interconnection, the second end ground connection of the zener diode.
The present invention also proposes a kind of electronic cigarette, which includes atomizer and electronic cigarette power circuit as described above,
The controlled end of the atomizer is connect with the control terminal of the control circuit.
Preferably, the electronic cigarette further includes the memory for storing electronic cigarette parameter, the signal end of the memory
It is connect with the signal end of the control circuit.
Technical solution of the present invention forms electricity by using power module, power-fail detection circuit, accumulator and control circuit
Sub- cigarette power circuit, the first power end of the power module, the power input of locating accumulator and the detection of power loss
The test side of circuit interconnects, and the second source end of the power supply power module is connect with the first power end of the control circuit,
The power output end of the accumulator is connect with the power input of the power-fail detection circuit, the power-fail detection circuit
Power output end is connect with the second source end of the control circuit.
When power module works normally, accumulator is in charging saturation state, and power-fail detection circuit is failure to actuate, and controls
Circuit obtains power supply from power module.
In power module power down, the test side voltage of power-fail detection circuit is become zero, and the power supply of power-fail detection circuit is defeated
Enter end to be connected to power output end, by power-fail detection circuit out-put supply to control circuit, control circuit starts accumulator
Carry out the shutdown control of electronic cigarette, such as close atomizer, the storage of electronic cigarette parameter etc., it is put in accumulator by preset time
Before electricity terminates, control circuit completes shutdown work, so that solve electronic cigarette loss of data, damage and hardware occurs after a power failure
Circuit does not have the problem of normal switching-off, improves service life and the stability of electronic cigarette.
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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the module diagram of one embodiment of electronic cigarette power circuit of the present invention；
Fig. 2 is the module diagram of another embodiment of electronic cigarette power circuit of the present invention；
Fig. 3 is the module diagram of the another embodiment of electronic cigarette power circuit of the present invention；
Fig. 4 is the electrical block diagram of one embodiment of electronic cigarette power circuit of the present invention；
Fig. 5 is the electrical block diagram of another embodiment of electronic cigarette power circuit of the present invention；
Fig. 6 is the module diagram of one embodiment of electronic cigarette of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the "and/or" occurred in full text contains
Justice are as follows: including three schemes arranged side by side, by taking " A/B " as an example, including the scheme that A scheme or B scheme or A and B meet simultaneously, separately
Outside, the technical solution between each embodiment can be combined with each other, can be real with those of ordinary skill in the art but must be
Based on existing, the combination of this technical solution will be understood that not when conflicting or cannot achieve when occurs in the combination of technical solution
In the presence of, also not the present invention claims protection scope within.
The present invention proposes a kind of electronic cigarette power circuit 100.
As shown in FIG. 1, FIG. 1 is the module diagram of one embodiment of electronic cigarette power circuit of the present invention, the electronic cigarette power supplys
Circuit 100 include power module 30, power-fail detection circuit 10, accumulator 20 and control circuit 40, the first of power module 30
The test side of power end, the power input of locating accumulator 20 and power-fail detection circuit 10 interconnects, power supply power module 30
Second source end connect with the first power end of control circuit 40, the power output end and power-fail detection circuit of accumulator 20
10 power input connection, the power output end of power-fail detection circuit 10 are connect with the second source end of control circuit 40；
Accumulator 20, for receiving the power supply of the output of power module 30 and carrying out energy storage；
Power-fail detection circuit 10, for when detecting 30 power down of power module, the power supply of accumulator 20 to be exported to control
Circuit 40 processed, so that control circuit 40 carries out the shutdown control of electronic cigarette.
In the present embodiment, the power supply status of 10 real-time detection power module 30 of power-fail detection circuit falls in power module 30
When electric, power-fail detection circuit 10 is connected to, so that accumulator 20 is with preset time out-put supply to control circuit 40, so that control
Circuit 40 has the shutdown controls such as time enough carries out the storage of electronic cigarette parameter, hardware circuit is closed.
Power module 30 can for detachable battery perhaps the power module such as mobile power source 30 by elastic slice or connecting line with
Each module be connected, power module 30 export power supply to electronic cigarette control circuit 40, power-fail detection circuit 10 simultaneously with electricity
Source module 30 is connected with the power end of control circuit 40, exports power supply extremely by power module 30 when power module 30 is normal
Control circuit 40, in 30 power down of power module by 10 out-put supply of power-fail detection circuit to control circuit 40.
Storage capacitor or energy storage inductor can be used in accumulator 20, can allow voltage regulator circuit 12 also to keep output end electric
Pressure is stablized, and accumulator 20 carries out energy storage when power module 30 works normally, and examines in 30 power down Shi Zejing power down of power module
The discharge time of 10 out-put supply of slowdown monitoring circuit, accumulator 20 can be correspondingly arranged according to control circuit 40, such as can pass through change
Storage capacitor amount of capacity is with the time needed for the shutdown processing of adaptation control circuit 40, it is to be understood that accumulator 20
Time needed for discharge time should be slightly larger than the shutdown processing of control circuit 40.
Control circuit 40 is used to control the types of functionality of electronic cigarette, including storage electronic cigarette parameter, drives electronic cigarette hardware
The microprocessor with control function, single-chip microcontroller or CPU can be used and corresponding drive control circuit of arranging in pairs or groups in circuit, according to
Different electronic cigarette type demands are different, control circuit 40 can corresponding selection, be not particularly limited herein.
Technical solution of the present invention is by using power module 30, power-fail detection circuit 10, accumulator 20 and control circuit
40 composition electronic cigarette power circuits 100, the first power end of power module 30, the power input of locating accumulator 20 and fall
The test side of power detection circuit 10 interconnects, and the second source end of power supply power module 30 and the first power end of control circuit 40 connect
It connects, the power output end of accumulator 20 is connect with the power input of power-fail detection circuit 10, the electricity of power-fail detection circuit 10
Source output terminal is connect with the second source end of control circuit 40.
When power module 30 works normally, accumulator 20 is in charging saturation state, and power-fail detection circuit 10 is motionless
Make, control circuit 40 obtains power supply from power module 30.
In 30 power down of power module, the test side voltage of power-fail detection circuit 10 is become zero, power-fail detection circuit 10
Power input is connected to power output end, accumulator 20 by 10 out-put supply of power-fail detection circuit to control circuit 40,
Control circuit 40 starts to carry out the shutdown control of electronic cigarette, such as close atomizer 200, the storage of electronic cigarette parameter etc., in energy storage
Before circuit 20 terminates by preset time electric discharge, control circuit 40 completes shutdown work, goes out after a power failure to solve electronic cigarette
Existing loss of data, damage and hardware circuit do not have the problem of normal switching-off, improve service life and the stability of electronic cigarette.
As shown in Fig. 2, Fig. 2 is the module diagram of another embodiment of electronic cigarette power circuit of the present invention, in the present embodiment,
Power-fail detection circuit 10 includes isolation capacitance C1, switching circuit 11 and pull down resistor Ra；
The first power end interconnection of one end of isolation capacitance C1, the power input of accumulator 20, power module 30, every
Second end from capacitor C1 is connect with the controlled end of switching circuit 11, power output end and the switching circuit 11 of accumulator 20
Power input connection, the second source of the power output end of switching circuit 11, one end of pull down resistor Ra and control circuit 40
End interconnection, the second end ground connection of pull down resistor Ra；
Isolation capacitance C1, in 30 power down of power module, exporting low level to switching circuit 11；
Switching circuit 11 is exported for the conducting when receiving low level, and by the power supply of accumulator 20 to control electricity
Road 40, so that control circuit 40 carries out the shutdown control of electronic cigarette.
In the present embodiment, functional chip or component with on-off function, such as three poles is can be used in switching circuit 11
Pipe and metal-oxide-semiconductor etc., switching circuit 11 is held off when receiving high level, receives low level conducting, is individually using three poles
Guan Shi needs to select PNP triode Q1, and if necessary to use NPN triode, then the phase inverter that needs to arrange in pairs or groups realizes that it corresponds to function
Can, it can specifically be selected, be not particularly limited herein according to demand.
When power module 30 works normally, accumulator 20 is in charging saturation state, isolation capacitance C1 second end electricity
Pressure keeps high potential with first end voltage, and therefore, the controlled end of switching circuit 11 receives high level and is held off, in drop-down electricity
Control circuit 40 receives low level and obtains power supply from power module 30 under the action of resistance Ra.
In 30 power down of power module, the second end voltage of isolation capacitance C1 is jumped immediately as zero potential, switching circuit 11
Controlled end receive low level conducting, at this point, accumulator 20 begin through switching circuit 11 export power supply to control
Circuit 40, and when control circuit 40 receives high level, starts electronic cigarette shutdown control, in accumulator 20 through preset time
Before electric discharge terminates, control circuit 40 completes shutdown work, so that solve electronic product loss of data, damage occurs after a power failure
And hardware circuit does not have the problem of normal switching-off.
As shown in figure 3, Fig. 3 is the module diagram of the another embodiment of electronic cigarette power circuit of the present invention, in the present embodiment,
Electronic cigarette power circuit 100 further includes voltage conversion circuit 50；
The first end of the power output end of power module 30, the input terminal of voltage conversion circuit 50 and isolation capacitance C1 is mutual
Even, the first power end interconnection of the output end of voltage conversion circuit 50, the first end of accumulator 20 and control circuit 40.
In the present embodiment, power module 30 export power supply be typically passed through voltage conversion circuit 50 converted with
For control circuit 40, perhaps resistor voltage divider circuit or voltage conversion is can be used in other component working power voltage conversion circuit 50
Chip is realized, can specifically be corresponded to and be selected, in an alternative embodiment, as shown in figure 4, Fig. 4 is electronic cigarette power supply of the present invention
The electrical block diagram of one embodiment of circuit, voltage conversion circuit 50 include three terminal regulator U1, and three terminal regulator U1's is defeated
Entering the input terminal that end is voltage conversion circuit 50, the output end of three terminal regulator U1 is the output end of voltage conversion circuit 50, three
The ground terminal ground connection of voltage-stablizer U1 is held, the voltage VIN of power module is carried out conversion output and meets electronic cigarette by three terminal regulator U1
The voltage V2, V2 of work can be 5V, 3.3V etc., it is to be understood that three terminal regulator U1 front stage can also be correspondingly connected with filtering
Capacitor is not particularly limited herein with carrying out harmonic filtration.
In an alternative embodiment, switching circuit 11 include PNP triode Q1, the base stage of PNP triode Q1 with electricity is isolated
Hold the second end connection of C1, the emitter of PNP triode Q1 is connect with the power output end of accumulator 20, PNP triode Q1
Collector, pull down resistor Ra first end and control circuit 40 second source end connection.
In the present embodiment, in order to reduce design cost, switching circuit 11 uses PNP triode Q1, PNP triode Q1 to play
On-off action, when power module 30 is normal, base stage remains off when receiving high level, in 30 power down of power module
When, conducting when base stage receives low level, triode amplifies the signal that base stage receives, and exports to control circuit
40, control circuit 40 receives high level and obtains power supply from accumulator 20.
In an alternative embodiment, accumulator 20 includes first diode D1 and storage capacitor C2, first diode D1
Anode connect with the power output end of voltage conversion circuit 50, the cathode of first diode D1, storage capacitor C2 first end,
The emitter interconnection of the output end and PNP triode Q1 of voltage conversion circuit 50, the second end ground connection of storage capacitor C2.
In the present embodiment, voltage conversion circuit 50 exports power supply to energy storage electricity when power module 30 is normal
Road 20 and control circuit 40, storage capacitor C2 carry out energy storage, in 30 power down of power module and when switching circuit 11 is connected, energy storage
Capacitor C2 discharges, and first diode D1 is for preventing storage capacitor C2 from flowing back.
Further, power-fail detection circuit 10 further includes the first current-limiting resistance R1 and the second current-limiting resistance R2, the first current limliting
The first end of resistance R1 is connect with the first power output end of power module 30, the second end of the first current-limiting resistance R1 with electricity is isolated
Hold the first end connection of C1, the first end of the second current-limiting resistance R2, the power output end of accumulator 20 and PNP triode Q1
Power input interconnection, the base stage of the second end of the second current-limiting resistance R2, the second end of isolation capacitance C1 and PNP triode Q1
Interconnection.
As shown in figure 5, Fig. 5 is the electrical block diagram of another embodiment of electronic cigarette power circuit of the present invention, this implementation
In example, power-fail detection circuit 10 further includes the voltage regulator circuit 12 for preventing over-voltage, and voltage regulator circuit 12 includes zener diode D2,
The first end of the cathode of zener diode D2, the second end of the first current-limiting resistance R1 and isolation capacitance C1 interconnects, zener diode
The second end of D2 is grounded.
In the present embodiment, zener diode D2 is used to prevent the big voltage that when access of power module 30 or the when of disconnection generates
Triode or other component are damaged, realize voltage protection.
The present invention also proposes a kind of electronic cigarette, as shown in fig. 6, the module that Fig. 6 is one embodiment of electronic cigarette of the present invention is illustrated
Scheme, in the present embodiment, electronic cigarette includes atomizer 200 and electronic cigarette power circuit 100, the tool of the electronic cigarette power circuit 100
Body structure is referring to above-described embodiment, since this electronic cigarette uses whole technical solutions of above-mentioned all embodiments, at least
All beneficial effects brought by technical solution with above-described embodiment, this is no longer going to repeat them, wherein atomizer 200
Controlled end connect with the control terminal of control circuit 40.
In the present embodiment, when power module 30 works normally, power-fail detection circuit 10 does not work, and control circuit 40 is normal
Atomizer 200 is driven to work, in 30 power down of power module, power-fail detection circuit 10 works, and accumulator 20 is through detection of power loss
10 out-put supply of circuit is to control circuit 40, and control circuit 40 closes atomizer 200 when accumulator 20 discharges, to stop
The driving of atomizer 200 improves service life and the stability of electronic cigarette, avoids atomizer 200 is abnormal during power down from closing.
Please continue to refer to Fig. 6, in the present embodiment, electronic cigarette further includes the memory 300 for storing electronic cigarette parameter, is deposited
The signal end of reservoir 300 is connect with the signal end of control circuit 40.
Memory 300 is disaggregatedly stored and is realized to electronic cigarette parameter using EEPROM, FLASH, SD card etc.
With the communication of control circuit 40, in 30 power down of power module, control circuit 40 controls memory 300 and starts the data before power down
Preservation task, to prevent electronic cigarette loss of vital data, damage.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of electronic cigarette power circuit, which is characterized in that including power module, power-fail detection circuit, accumulator and control
Circuit, the inspection of the first power end of the power module, the power input of locating accumulator and the power-fail detection circuit
End interconnection is surveyed, the second source end of the power supply power module is connect with the first power end of the control circuit, the energy storage
The power output end of circuit is connect with the power input of the power-fail detection circuit, the power supply output of the power-fail detection circuit
End is connect with the second source end of the control circuit；
The accumulator, for receiving the power supply of the power module output and carrying out energy storage；
The power-fail detection circuit, for when detecting the power module power down, by the power supply of the accumulator export to
The control circuit, so that the control circuit carries out the shutdown control of electronic cigarette.
2. electronic cigarette power circuit as described in claim 1, which is characterized in that the power-fail detection circuit includes accumulator
Isolation capacitance, switching circuit and pull down resistor；
The first power end interconnection of one end of the isolation capacitance, the power input of the accumulator, the power module,
The second end of the isolation capacitance is connect with the controlled end of the switching circuit, the power output end of the accumulator with it is described
The power input of switching circuit connects, the power output end of the switching circuit, one end of the pull down resistor and the control
The second source end of circuit processed interconnects, the second end ground connection of the pull down resistor；
The isolation capacitance, in the power module power down, exporting low level to the switching circuit；
The switching circuit is exported for the conducting when receiving the low level, and by the power supply of the accumulator to institute
Control circuit is stated, so that the control circuit carries out the shutdown control of electronic cigarette.
3. electronic cigarette power circuit as claimed in claim 2, which is characterized in that the electronic cigarette power circuit further includes voltage
Conversion circuit；
The first end of the power output end of the power module, the input terminal of the voltage conversion circuit and the isolation capacitance is mutual
Even, the first power end of the output end of the voltage conversion circuit, the first end of the accumulator and the control circuit is mutual
Even.
4. electronic cigarette power circuit as claimed in claim 3, which is characterized in that the voltage conversion circuit includes three-terminal voltage-stabilizing
Device, the input terminal of the three terminal regulator are the input terminal of the voltage conversion circuit, and the output end of the three terminal regulator is
The output end of the voltage conversion circuit, the ground terminal ground connection of the three terminal regulator.
5. electronic cigarette power circuit as claimed in claim 2, which is characterized in that the switching circuit includes PNP triode, institute
The base stage for stating PNP triode is connect with the second end of the isolation capacitance, the emitter of the PNP triode and energy storage electricity
The power output end on road connects, the collector of the PNP triode, the first end of the pull down resistor and the control circuit
The connection of second source end.
6. electronic cigarette power circuit as claimed in claim 5, which is characterized in that the accumulator include first diode and
Storage capacitor, the anode of the first diode are connect with the power output end of the voltage conversion circuit, the one or two pole
The emitter of the cathode of pipe, the first end of the storage capacitor, the output end of the voltage conversion circuit and the PNP triode
Interconnection, the second end ground connection of the storage capacitor.
7. electronic cigarette power circuit as claimed in claim 6, which is characterized in that the power-fail detection circuit further includes the first limit
Leakage resistance and the second current-limiting resistance, the first end of first current-limiting resistance and the first power output end of the power module connect
It connecing, the second end of first current-limiting resistance is connect with the first end of the isolation capacitance, and the first of second current-limiting resistance
The power input interconnection at end, the power output end of the accumulator and the PNP triode, second current-limiting resistance
Second end, the interconnection of the base stage of the second end of the isolation capacitance and the PNP triode.
8. electronic cigarette power circuit as claimed in claim 7, which is characterized in that the power-fail detection circuit further includes for preventing
The only voltage regulator circuit of over-voltage, the voltage regulator circuit include zener diode, the cathode of the zener diode, first current limliting
The second end of resistance and the interconnection of the first end of the isolation capacitance, the second end ground connection of the zener diode.
9. a kind of electronic cigarette, which is characterized in that the electronic cigarette electricity including atomizer and as described in any one of claim 1-8
Source circuit, the controlled end of the atomizer are connect with the control terminal of the control circuit.
10. electronic cigarette as claimed in claim 9, which is characterized in that the electronic cigarette further includes for storing electronic cigarette parameter
Memory, the signal end of the memory connect with the signal end of the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284122.0A CN109907378B (en) | 2019-04-08 | 2019-04-08 | Electronic cigarette power supply circuit and electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284122.0A CN109907378B (en) | 2019-04-08 | 2019-04-08 | Electronic cigarette power supply circuit and electronic cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109907378A true CN109907378A (en) | 2019-06-21 |
| CN109907378B CN109907378B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284122.0A Active CN109907378B (en) | 2019-04-08 | 2019-04-08 | Electronic cigarette power supply circuit and electronic cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021848A1 (en) * | 2020-07-25 | 2022-02-03 | 苏州浪潮智能科技有限公司 | Sequence control circuit for enhancing reliability in abnormal power failure scenario and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022021848A1 (en) * | 2020-07-25 | 2022-02-03 | 苏州浪潮智能科技有限公司 | Sequence control circuit for enhancing reliability in abnormal power failure scenario and control method thereof |
| US11658509B2 (en) | 2020-07-25 | 2023-05-23 | Inspur Suzhou Intelligent Technology Co., Ltd. | Sequence control circuit for enhancing reliability in case of abnormal power-down and control method thereof |
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|---|---|
| CN109907378B (en) | 2024-05-14 |
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