CN208955677U - It can be used in the electric power management circuit and aerosol generating device of aerosol generating device - Google Patents
It can be used in the electric power management circuit and aerosol generating device of aerosol generating device Download PDFInfo
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- CN208955677U CN208955677U CN201821266816.9U CN201821266816U CN208955677U CN 208955677 U CN208955677 U CN 208955677U CN 201821266816 U CN201821266816 U CN 201821266816U CN 208955677 U CN208955677 U CN 208955677U
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- 239000000443 aerosol Substances 0.000 title claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 230000000391 smoking effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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Abstract
The utility model relates to a kind of electric power management circuits and aerosol generating device that can be used in aerosol generating device, it includes control module and energy supply control module that low-power consumption, which manages circuit, control module includes MCU, and MCU generates control signal, and sends control signals to energy supply control module；When entering low power consumpting state, control module sends first control signal to energy supply control module to enable it be in an off state；Also, when entering working condition, control module sends the working condition that second control signal enables it connect to energy supply control module and restores control module；Reference circuit is equipped in MCU, MCU uses Width funtion operating mode.Using the above scheme, the working condition of the control module flexibly is controlled using energy supply control module, avoids power loss caused by MCU and peripheral circuit quiescent dissipation in existing structure, extends stand-by time.Also, MCU uses Width funtion operating mode, interior to be equipped with reference circuit, further simplifies circuit.
Description
Technical field
The utility model relates to electronic circuit technology fields, more particularly to a kind of electricity that can be used in aerosol generating device
Power management circuits and aerosol generating device.
Background technique
Current electric heating is not burnt, and generally there are two types of working conditions for smoking set: normal operating conditions and low-power consumption work shape
State.Under normal conditions, electric heating does not burn smoking set circuit by process control MCU (Micro controller Unit, micro-control
Unit processed) chip enters sleep (SLEEP) or idle (IDLE) mode enters low-power consumption working condition；When MCU is in low-power consumption
When mode, MCU is set to return (NORMAL) mode of normal work by external excitation signal, hence into normal operating conditions.
Power consumption of the existing smoking set circuit in low-power consumption mode includes following components: the power consumption of MCU, peripheral circuit
Power consumption, self-discharge of battery loss.Since the battery capacity of smoking set Circuit Matching is smaller, so, even if MCU enters low-power consumption mode
Power consumption and peripheral circuit power consumption very little afterwards, still will lead to battery after the long period is on the shelf, battery capacity is consumed
To the greatest extent, small part smoking set due to over-discharge cause smoking set have to back factory maintenance activate.
Utility model content
The utility model solve the problems, such as be reduce smoking set for a long time leave unused when power consumption, avoid in original circuit structure by
The power loss caused by MCU and peripheral circuit quiescent dissipation, extends smoking set stand-by time.
To solve the above problems, the utility model provides a kind of electric power management circuit that can be used in aerosol generating device,
The electric power management circuit includes: control module and energy supply control module, wherein the control module includes MCU, the MCU
Control signal is generated, and the control signal is sent to the energy supply control module；The control signal includes the first control
Signal and second control signal；The energy supply control module includes the input terminal for connecting power supply, the connection control module confession
The output end at electric end and the control terminal being switched on or switched off for controlling the output end and the input terminal；Wherein, entering
When low power consumpting state, the control module sends first control signal enables it be in disconnection shape to the energy supply control module
State；Also, when entering working condition, the control module sends second control signal to the energy supply control module to enable it
Connect and restore the working condition of the control module；Reference circuit is equipped in the MCU, the reference circuit is used to be circuit
Reference level is provided；The MCU uses Width funtion operating mode.
It optionally, further include switch module, input terminal connects power supply.
Optionally, the switch module is key switch module, for being switched on or switched off its input terminal according to key-press status
And output end.
It optionally, further include feedback module, the input terminal of the feedback module connects the output end of the switch module, uses
Identification signal is corresponded in generating according to the output end signal of the switch module；The output end of the feedback module connects the control
Molding block, for exporting the identification signal；When entering low power consumpting state, the switch module is disconnected, the control module
First control signal is sent to the energy supply control module to enable it be in an off state；Also, when entering working condition, institute
State switch module conducting and the control module judge its received described identification signal of institute for it is legal in the case where, transmission the
Two control the working condition that signals enable it connect to the power control switch module and restore the control module.
Optionally, the feedback module includes: resistance R1, and the one end the resistance R1 is connected to the output of the feedback module
End, the other end ground connection of the resistance R1.
It optionally, further include one-way conduction module, the input terminal of the one-way conduction module connects the switch module
The output end of output end, the unidirectional conducting switch module connects the feeder ear of the control module, for exporting VDD (VDD
It is the operating voltage of MCU chip) signal.
Optionally, the one-way conduction module includes: diode D1, and the cathode of the diode D1 is connected to for input terminal
The output end of the switch module, the anode of the diode D1 are output end.
Optionally, the energy supply control module includes: first switching element M1, second switch element Q1, resistance R2 and electricity
Hinder R3, wherein the control that M1 and Q1 all has input, output end and the control input terminal and control terminal is turned on or off
End；The one end R3 connects the control terminal of energy supply control module, and the R3 other end connects the control terminal of Q1, and the input terminal of Q1 connects the one of R2
The other end of the control terminal of end and M1, R2 connects power supply；The input terminal of M1 as the energy supply control module input terminal and company
Power supply is connect, the output end of M1 connects the feeder ear of the control module.
Optionally, the first switching element M1 and second switch element Q1 is NMOS tube or NPN triode.
Optionally, the operating voltage range of the MCU is 0.9V~5.5V.
The utility model also provides a kind of aerosol generating device, comprising: above-mentioned electric power management circuit.
As described above, there is following advantages compared with the existing technology in the utility model embodiment:
The embodiment of the utility model provides a kind of electric power management circuit, including control module and energy supply control module,
In, when entering low power consumpting state, control module sends the first signal to energy supply control module to enable it be in an off state；And
And when entering working condition, control module sends second signal and enables it connect to energy supply control module and restore control mould
The working condition of block.Using the above scheme, the working condition that the control module can be flexibly controlled using energy supply control module, is kept away
Exempt from power loss caused by MCU and peripheral circuit quiescent dissipation in existing structure, extends smoking set stand-by time.
Further, reference circuit is equipped in MCU provided by the utility model, reference circuit is used to provide benchmark for circuit
Level, for exporting stable voltage value.The drawbacks of being equipped with reference circuit inside MCU, avoiding MCU external reference circuit,
And then simplify circuit.
Further, MCU provided by the utility model uses Width funtion operating mode, and Width funtion working method is to power supply line
The tolerance of wave is stronger, therefore by using the MCU of Width funtion working method, it is increased without bypass storage capacitor and is filtered.
On the other hand, due to reducing bypass storage capacitor, so electricity is remained without using leadage circuit removal, into
Simplify circuit to one step.
For the above content of the utility model can be clearer and more comprehensible, preferred embodiment and detailed in conjunction with attached drawing is cited below particularly
Explanation.
Detailed description of the invention
Fig. 1 is shown as the functional block diagram of the electric power management circuit in an embodiment of the present invention；
Fig. 2 is shown as the circuit diagram of partial circuit in the electric power management circuit in an embodiment of the present invention.
Appended drawing reference:
Switch module 101；Feedback module 102；One-way conduction module 103；Energy supply control module 104；Control module 105.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that the case where not conflicting
Under, the feature in following embodiment and embodiment can be combined with each other.
It should be noted that diagram provided in following embodiment only illustrates the basic of the utility model in a schematic way
Conception, only show in schema with related component in the utility model rather than component count, shape when according to actual implementation and
Size is drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout type
State may also be increasingly complex.
Fig. 1 is the functional block diagram of the electric power management circuit in an embodiment of the present invention, and Fig. 2 shows that this is practical
The circuit diagram of novel partial circuit.With reference to Fig. 1 and Fig. 2 is combined, the utility model, which provides one kind, can be used in aerosol production
The electric power management circuit of generating apparatus, the electric power management circuit include: control module 105 and energy supply control module 104, control module
105 include MCU, and MCU generates control signal, and sends control signals to energy supply control module 104.
Wherein, when entering low power consumpting state, control module 105 sends first control signal to energy supply control module 104
To enable it be in an off state；Also, when entering working condition, control module 105 sends second control signal to power supply control
Molding block 104 restores the working condition of control module 105 to enable it connect.
In one embodiment, which further includes switch module 101, which refers to for generating
Enable signal.In the present invention, which is key switch module, for generating instruction letter according to button operation
Number, and its input terminal and output end are switched on or switched off according to key-press status.
In other embodiments, which can be touch sensible switch module, according to received touch signal
Generate corresponding command signal；The switch module can also be acoustic control inducted switch module, be generated by the voice signal of input
Corresponding output instruction signal；The switch module can also be light-operated inducted switch module, pass through the optical signal generation pair of input
The output instruction signal answered.Here, with no restrictions to the form of switch module, as long as the switch module can generate command signal
?.
The electric power management circuit further includes feedback module 102, the input terminal connection switch module 101 of the feedback module 102
Output end, for generating corresponding identification signal, feedback module 102 according to the output end signal of switch module, that is, command signal
Output end link control module 105, for exporting the identification signal.
When entering low power consumpting state, which is disconnected, and control module 105 sends first control signal to electricity
Source control module 104 is to enable it be in an off state；Also, when entering working condition, switch module conducting and control module
105 in the case where it is legal for judging its received identification signal of institute, transmission second control signal to power control switch module
104 restore the working condition of the control module 105 to enable it connect.
Specifically, which includes resistance R1, and the one end resistance R1 is connected to the output end of feedback module 102, electricity
Hinder the other end ground connection of R1.
In one embodiment, resistance R1 is pull down resistor, for reducing input impedance, and provides a stable level shape
State.
It should be noted that control module 105 includes MCU and its periphery in an embodiment provided by the utility model
Circuit, the first signal and the second signal can be the opposite levels of MCU Single port output, such as the first signal is low level, the
Binary signal is high level.
Electric power management circuit provided by the utility model is fully disconnected control module 105 when entering low power consumpting state
Power supply, can be greatly reduced tobacco rod standby current, realize the low power consumpting state of zero-power, can greatly promote under low power consumpting state
Stand-by time, to extend tobacco rod stand-by time.
Here, defining the receivable instruction of switch module 101 is valid instruction.In an embodiment provided by the utility model
In, which includes three normal key assignments, is respectively as follows: a long-pressing button value, a short-press button value and one
A unit time (2s) is continuously by the key assignments of key three times.In other embodiments, other instructions, this field also be may include
Can corresponding instruction be arranged according to the actual needs in technical staff.
In the present invention, control module 105 includes MCU, reference circuit is equipped with inside MCU, for providing for circuit
Reference level.
Here, reference circuit is reference voltage circuit, the standard with more each voltage swing for identification in circuit.Base
Quasi- potential circuit is generally used in voltage comparator circuit, such as can be used as the sampling benchmark of regulated power supply, regulated power supply according to
The size of the reference voltage identifies the height of output voltage, and then realizes the purpose that output voltage is adjusted.
Reference circuit inside MCU in the present embodiment, so, this MCU can adjust received voltage
To the voltage for being suitble to the MCU to work normally.
Specifically, from reference level is set inside MCU, by comparing the size of output voltage and reference voltage, realization should
Output voltage be adjusted to reference voltage function of the same size, and then realize output burning voltage purpose.
In the present invention, from reference level is set inside MCU, the structure of external reference circuit is eliminated, and then simplify
Circuit.
The voltage fluctuation of DC stable power supply will cause power supply ripple phenomenon, and the presence of power supply ripple will cause the work of MCU
Make unstable, long-term MCU is unstable, so that MCU is easy to damage, to cause MCU function reduction.
In order to avoid this small-scale time-dependent system, in an embodiment provided by the utility model, MCU is using wide electricity
Working method is pressed, using the MCU of Width funtion work to voltage adaptability with higher, can adapt to difference in a certain range
The voltage of grade.
Also, Width funtion working method is stronger to the tolerance of power supply ripple, therefore by using Width funtion working method
MCU is increased without bypass storage capacitor and is filtered, and then simplifies circuit.Further, due to not needing setting bypass storage
Energy capacitor, also avoids the problem of residual electricity is released, therefore setting leadage circuit is not needed in circuit yet, further simplifies electricity
Road.
In other embodiments, may exist remaining capacity, but since remaining capacity is seldom, these electricity can be when extremely short
It is interior to consume, accordingly even when not having bleed off circuit, MCU operation irregularity will not be caused.
Here, to MCU adapt to voltage range with no restrictions, can configure according to actual needs accordingly using Width funtion as work
The MCU of operation mode.
In one embodiment, the operating voltage range of the MCU is 0.9V~5.5V.
In the present invention, which further includes one-way conduction module 103, one-way conduction module 103
The output end of the output end of input terminal connection switch module 101, unidirectional conducting switch module 101 is used for link control module 105
Feeder ear, for exporting VDD signal.
VDD signal is voltage (MCU_VDD) needed for MCU work, and the MCU of control module 105 receives MCU_VDD, at this moment
MCU is in power-up state, and MCU starts power up work.
Specifically, which includes diode D1, and the cathode of diode D1 is that input terminal is connected to out
The output end of module 101 is closed, the anode of diode D1 is output end.
Here, diode D1 can be freewheeling diode, for protecting the element in circuit not to be damaged.
Specifically, energy supply control module 104 further includes input terminal, 105 feeder ear of link control module for connecting power supply
Output end and the control terminal being switched on or switched off for control output end and the input terminal.
In one embodiment, energy supply control module 104 includes first switching element M1, second switch element Q1, resistance R2
And resistance R3.Wherein, M1 and Q1 all has the control that input, output end and control signal and control terminal are turned on or off
End；The one end R3 connects the control terminal of energy supply control module 104, and the R3 other end connects the control terminal of Q1, and the input terminal of Q1 connects R2
One end and M1 control terminal, the other end of R2 connects power supply；The input terminal of M1 as energy supply control module 104 input terminal and
Connect power supply, the feeder ear of the output end link control module 105 of M1.
In one embodiment, first switching element M1 and second switch element Q1 be NMOS tube or NPN triode, if
NPN triode, then its input terminal is collector, and output end is emitter, and control terminal is base stage；It is managed if NMOS, then it is inputted
End is source electrode, and output end is drain electrode, and control terminal is grid, and in the present embodiment, M1 is NMOS tube, and Q1 is NPN triode.M1
It is electronic switch, for controlling the main on-off for circuit loop, shaping of the Q1 for the control waveform of MOS.
Referring to Fig. 2, specifically, in one embodiment, smoking set circuit enters normal work from low-power consumption (zero-power) state
The workflow of state is as follows: user presses the button S1, and battery supply VBAT is exported by key S1 and sustained diode 1
VDD signal makes VDD have voltage signal, and at this moment MCU is at power-up state, and MCU starts to work normally.When MCU is initialized
After the completion, key signals (MCU_KEY) reading is received by the one end R1 connected and judges key assignments, when MCU is considered one
When illegal key assignments, MCU_IO exports low level；When MCU be considered a legal key assignments (such as: persistently press the button more than 4 seconds
It is considered long keying；It persistently presses the button less than 4 seconds but is considered short-press key when being greater than 01 second, this can pass through timer electricity
Road cooperation is realized, when judge to detect MCU_KEY in timing being not 0), MCU_IO exports high level, and (i.e. second believes
Number), Q1 is connected over the ground, and the VGS voltage of M1 is positive cell voltage, and M1 is connected, and system enters normal mode of operation, at this moment, nothing
Whether it is released by S1, MCU can be connected to VBAT from power control switch module 104 and obtain normal power supply.
It should be noted that the starting time due to MCU is 10 Microsecond grades, and for the movement of user's long-pressing, right and wrong
It is often very brief, even if system also can normal power supply so at this moment user decontrols key S1.
When the work has been finished, when smoking set circuit is prepared to enter into low-power consumption mode, MCU controls MCU_IO signal, by MCU_IO
Signal is set to low (i.e. the first signal) and can lock, and at this moment Q1 cut-off, M1 cut-off, system cut-off, smoking set circuit enter low-power consumption
(zero-power) state.
In other embodiments, SW first can also be set into height, then go to judge that key assignments is again after the completion of MCU is initialized
No is normal key assignments.
Using power control switch module, and non-increasing mechanical switch, it may not be necessary to the limited housing area of smoking set is occupied, letter
Change product structure, flat appearance.
In conjunction with above-mentioned, the utility model also provides a kind of aerosol generating device, which includes any of the above-described
Electric power management circuit as described in the examples.
In conclusion the principles of the present invention and its function is only illustrated in above-described embodiment provided by the utility model
Effect, rather than limits the present invention.Any person skilled in the art all can without prejudice to the utility model spirit and
Under the scope of, it carries out modifications and changes to above-described embodiment.Therefore, those of ordinary skill in the art is not taking off such as
All equivalent modifications or change completed under spirit revealed from the utility model and technical idea, should be practical new by this
The claim of type is covered.
Claims (11)
1. a kind of electric power management circuit that can be used in aerosol generating device characterized by comprising control module and power supply control
Molding block, wherein
The control module includes MCU, and the MCU generates control signal, and the control signal is sent to the power supply control
Molding block；
The control signal includes first control signal and second control signal；
The energy supply control module includes the output end and use of the input terminal for connecting power supply, the connection control module feeder ear
In the control terminal that the control output end and the input terminal are switched on or switched off；
Wherein, when entering low power consumpting state, the control module send first control signal to the energy supply control module with
Enable it be in an off state；Also, when entering working condition, the control module sends second control signal to the power supply
Control module restores the working condition of the control module to enable it connect；
Reference circuit is equipped in the MCU, the reference circuit is used to provide reference level for MCU；
The MCU uses Width funtion operating mode.
2. electric power management circuit according to claim 1, which is characterized in that further include switch module, input terminal connection
Power supply.
3. electric power management circuit according to claim 2, which is characterized in that the switch module is key switch module,
For being switched on or switched off its input terminal and output end according to key-press status.
4. electric power management circuit according to claim 2, which is characterized in that it further include feedback module, the feedback module
Input terminal connect the output end of the switch module, for generating corresponding identification according to the output end signal of the switch module
Signal；
The output end of the feedback module connects the control module, for exporting the identification signal；
When entering low power consumpting state, the switch module is disconnected, and the control module sends first control signal to the electricity
Source control module is to enable it be in an off state；Also, when entering working condition, the switch module conducting and the control
In the case where it is legal for judging its received described identification signal of institute, transmission second control signal to the power supply controls module
Switch module restores the working condition of the control module to enable it connect.
5. electric power management circuit according to claim 4, which is characterized in that the feedback module includes: resistance R1, described
The one end resistance R1 is connected to the output end of the feedback module, the other end ground connection of the resistance R1.
6. electric power management circuit according to claim 2, which is characterized in that it further include one-way conduction module, it is described unidirectional
The input terminal of conduction module connects the output end of the switch module, described in the output end connection of the unidirectional conducting switch module
The feeder ear of control module, for exporting VDD signal.
7. electric power management circuit according to claim 6, which is characterized in that the one-way conduction module includes: diode
The cathode of D1, the diode D1 are the output end that input terminal is connected to the switch module, and the anode of the diode D1 is
Output end.
8. electric power management circuit according to claim 1, which is characterized in that the energy supply control module includes: first to open
Close element M1, second switch element Q1, resistance R2 and resistance R3, wherein M1 and Q1 all has input, output end and control institute
State input terminal and control terminal that control terminal is turned on or off；The one end R3 connects the control terminal of energy supply control module, and the R3 other end connects
The control terminal of Q1, one end of the input terminal connection R2 of Q1 and the control terminal of M1 are connect, the other end of R2 connects power supply；The input terminal of M1
As the energy supply control module input terminal and connect power supply, the output end of M1 connects the feeder ear of the control module.
9. electric power management circuit according to claim 8, which is characterized in that the first switching element M1 and described second
Switch element Q1 is NMOS tube or NPN triode.
10. electric power management circuit according to claim 1, which is characterized in that the operating voltage range of the MCU is 0.9V
~5.5V.
11. a kind of aerosol generating device characterized by comprising the power management as described in any one of claims 1 to 10
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266816.9U CN208955677U (en) | 2018-08-07 | 2018-08-07 | It can be used in the electric power management circuit and aerosol generating device of aerosol generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266816.9U CN208955677U (en) | 2018-08-07 | 2018-08-07 | It can be used in the electric power management circuit and aerosol generating device of aerosol generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955677U true CN208955677U (en) | 2019-06-07 |
Family
ID=66733295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821266816.9U Active CN208955677U (en) | 2018-08-07 | 2018-08-07 | It can be used in the electric power management circuit and aerosol generating device of aerosol generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208955677U (en) |
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2018
- 2018-08-07 CN CN201821266816.9U patent/CN208955677U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200082 No. 717, Changyang Road, Shanghai, Yangpu District Patentee after: SHANGHAI TOBACCO GROUP Co.,Ltd. Country or region after: China Patentee after: SHANGHAI NEW TOBACCO PRODUCT RESEARCH INSTITUTE Co.,Ltd. Address before: Room 740, Building 20, 733 Changyang Road, Yangpu District, Shanghai 200082 Patentee before: SHANGHAI NEW TOBACCO PRODUCT RESEARCH INSTITUTE Co.,Ltd. Country or region before: China Patentee before: SHANGHAI TOBACCO GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |