CN204070537U - A kind of control circuit and electronic cigarette - Google Patents
A kind of control circuit and electronic cigarette Download PDFInfo
- Publication number
- CN204070537U CN204070537U CN201420360538.9U CN201420360538U CN204070537U CN 204070537 U CN204070537 U CN 204070537U CN 201420360538 U CN201420360538 U CN 201420360538U CN 204070537 U CN204070537 U CN 204070537U
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- microcontroller
- battery
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- resistance
- control circuit
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/51—Arrangement of sensors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/60—Devices with integrated user interfaces
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/53—Monitoring, e.g. fault detection
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/90—Arrangements or methods specially adapted for charging batteries thereof
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of control circuit and electronic cigarette, it comprise at least one pneumatic sensor, the microcontroller be connected with pneumatic sensor, for providing the battery of internal electric source and the audio-frequency module be all connected with microcontroller and indicating member; Pneumatic sensor sends to microcontroller for gathering to suck the airflow signal in electronic cigarette and convert smoking signal at every turn, microcontroller is used for controlling audio-frequency module according to the smoking signal received and sends the simulation shredded tobacco for water pipes underwater sound, and controls indicating member display smoking color simultaneously; Microcontroller is also for controlling indicating member display different instruction color according to the different charged states of battery.Enforcement the beneficial effects of the utility model are, achieve user when smoking, can send the underwater sound by electronic simulation, by the function of the true shredded tobacco for water pipes underwater sound of electronic simulation, are conducive to using electronic cigarette and being conducive to smoking cessation.
Description
Technical field
The utility model relates to electronic cigarette control field, more particularly, relates to a kind of control circuit and electronic cigarette.
Background technology
Existing electronic cigarette generally comprises battery rod and atomizer, when the smoker inhales, high velocity air can be formed, pneumatic sensor generates smoking signal and sends to microcontroller after perceiving air-flow, microcontroller controls the supply access conducting of battery and atomizer according to the smoking signal detected, electrothermal wire heating in atomizer, plume is heated and evaporates atomization, forms the aerosol of simulated flue gas.
Existing electronic cigarette makes a lot of of shredded tobacco for water pipes shape, but can not the Reality simulation shredded tobacco for water pipes underwater sound or store the water bottle of water or basin by collocation one and make user send the underwater sound when smoking, and volume is comparatively large heavier again, is unfavorable for using electronic cigarette.
Utility model content
The technical problems to be solved in the utility model is, can not the defect of the true shredded tobacco for water pipes underwater sound of electronic simulation for the above-mentioned of prior art, provides a kind of control circuit and electronic cigarette.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of control circuit, for controlling electronic cigarette, comprise at least one pneumatic sensor, the microcontroller be connected with described pneumatic sensor, for providing the battery of internal electric source and the audio-frequency module be all connected with described microcontroller and indicating member;
Described pneumatic sensor sends to described microcontroller for gathering to suck the airflow signal in described electronic cigarette and convert smoking signal at every turn, described microcontroller is used for controlling described audio-frequency module according to the smoking signal received and sends the simulation shredded tobacco for water pipes underwater sound, and controls described indicating member display smoking color simultaneously; Described microcontroller is also for controlling described indicating member display different instruction color according to the different charged states of described battery;
Wherein: described audio-frequency module is connected with described battery, described audio-frequency module comprises the audio chip be connected with described microcontroller, the filter unit be connected with described audio chip respectively and sound amplifying unit and the loudspeaker be connected with described filter unit and described sound amplifying unit respectively, described microcontroller is used for when receiving described smoking signal, described microcontroller starts described audio chip, described audio chip exports the underwater sound audio signal prerecorded, and after described sound amplifying unit amplifies, described loudspeaker is driven to send the simulation shredded tobacco for water pipes underwater sound,
Described filter unit comprises resistance R5, inductance L 1 and electric capacity C30, described sound amplifying unit comprises resistance R56, resistance R29 and switching tube Q11, wherein: the one end after described resistance R5 is connected in parallel with described inductance L 1 is connected with described battery and described audio chip, the other end after described resistance R5 is connected in parallel with described inductance L 1 is connected with described loudspeaker; One end of described resistance R56 is connected with the audio signal output end of described audio chip, the other end of described resistance R56 is connected with the base stage of one end of described resistance R29 and described switching tube Q11, the other end of described resistance R29 and the equal ground connection of emitter stage of described switching tube Q11, the colelctor electrode of described switching tube Q11 is connected with described loudspeaker.
In above-mentioned control circuit, described indicating member comprises three-color LED light, described three-color LED light comprises a red light emitting diode, a blue light emitting diode and a green light emitting diode, and the anode of the light emitting diode of red light emitting diode, blue light emitting diode and green is all connected with the positive pole of described battery;
Described indicating member also comprises the switching tube that three are connected respectively the negative electrode of the negative electrode of red light emitting diode, the blue negative electrode of light emitting diode and the light emitting diode of green, and the grid of three switching tubes is connected respectively three output ports to described microcontroller.
In above-mentioned control circuit, described microcontroller comprises three input ports, described control circuit also comprises six resistance R35 ~ R40, wherein: between the positive pole that resistance R35 and R36 be connected in series, resistance R37 and R38 be connected in series and resistance R39 and R40 be connected in series are connected in described battery respectively in parallel and ground, described three input ports are corresponding with the tie point of the tie point of resistance R35 and R36, the tie point of resistance R37 and R38 and resistance R39 and R40 respectively connects.
In above-mentioned control circuit, described microcontroller also comprises memory cell, described memory cell store described three input ports level state and from the level state of described three input ports corresponding for representing the color of described battery under different charged state;
When described microcontroller does not detect described smoking signal, described microcontroller is according to the level state of described three input ports, obtain the first color under the different charged state of expression corresponding with it, and control by described three output ports the light that described three-color LED light sends described first color, wherein: the charged state of described battery comprises state and the full state of charging in charging.
In above-mentioned control circuit, described first color comprises for representing the color of described battery in charging under state and for representing the color of described battery under the full state of charging, wherein: for representing the color of described battery in charging under state and for representing that the color of described battery under the full state of charging is two kinds of different colors.
In above-mentioned control circuit, also store corresponding to the level state of described three input ports representing second color of user in smoking in described memory cell;
When described microcontroller detects described smoking signal, described microcontroller is according to the level state of described three input ports, obtain second color of expression user corresponding with it in smoking, and controlling by described three output ports the light that described three-color LED light sends described second color, described second color is described smoking color.
In above-mentioned control circuit; described control circuit also comprises the battery protection module be connected with described battery; the first switch element that described battery protection module comprises protecting control chip and is connected with described control chip, described protecting control chip for detect described battery overcharge and cross put state and described battery be in overcharge state time and cross put state time control described first switch element disconnect.
In above-mentioned control circuit, described control circuit also comprises the second switch unit be connected with described microcontroller, described microcontroller is when described smoking signal being detected, control described second switch cell conduction, make the supply access conducting of described battery and electronic smoke atomizer, realize being atomized the tobacco tar of electronic cigarette.
In above-mentioned control circuit, described control circuit also comprises and being connected with described battery, for carrying out Charge Management to described battery and the charged state of described battery being sent to the charge management module of described microcontroller, the dc source that described battery is changed through DC adapter by external power supply charges.
The utility model also provides a kind of electronic cigarette, and described electronic cigarette comprises the control circuit as described in above-mentioned any one.
In above-mentioned electronic cigarette, described electronic cigarette comprises for atomizing cigarette oil foggers, and described atomizer comprises heating wire, controls described atomizer work, electrothermal wire heating when described control circuit detects smoking signal, realizes being atomized the tobacco tar of electronic cigarette.
Implement control circuit of the present utility model and electronic cigarette, there is following beneficial effect: by microcontroller when receiving smoking signal, control audio-frequency module and send the shredded tobacco for water pipes underwater sound, achieve user when sucking electronic cigarette, the underwater sound can be sent by electronic simulation, the water bottle or basin that store water without the need to arranging in pairs or groups one as existing electronic cigarette are to send the underwater sound when sucking electronic cigarette, by the function of the true shredded tobacco for water pipes underwater sound of electronic simulation, be conducive to using electronic cigarette and being conducive to smoking cessation, and undertaken after filtering and described sound amplifying unit amplify audio signal by the described filter unit of simple and ingenious structure, described underwater sound tonequality is better, volume is comparatively large and imitate the sound of electronic hookah to the life, drastically increase Consumer's Experience, avoid sound preferably tiny, unstable, noise is more, the problems such as lower tone.Under different charged state, show different colors by microprocessor control three-color LED light simultaneously, achieve when user sucks electronic cigarette, display, just in the color of smoking, just shows battery just in charging or full color of charging, improves Consumer's Experience when not in smoking.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the theory diagram of the utility model control circuit embodiment when coordinating with DC adapter;
The circuit theory diagrams of Fig. 2 to be Fig. 2 be charge management module 40 in Fig. 1;
Fig. 3 is the circuit theory diagrams of microcontroller 20 and connected pneumatic sensor 10, audio-frequency module 50 and indicating member 60 in Fig. 1;
Fig. 4 is the circuit theory diagrams of battery protection module.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As shown in Figure 1, be the theory diagram of the utility model control circuit embodiment, for controlling electronic cigarette, it comprises at least one pneumatic sensor 10, microcontroller 20, battery 30, charge management module 40, audio-frequency module 50 and indicating member 60.Wherein, battery 30 provides internal electric source, in control circuit, modules is powered.Pneumatic sensor 10 is connected with microcontroller 20, suck airflow signal in electronic cigarette for gathering user at every turn, and be converted into smoking signal and send to microcontroller 20, microcontroller 20 is connected with audio-frequency module 50, when microcontroller 20 receives smoking signal, just control audio-frequency module 50 and send the Reality simulation shredded tobacco for water pipes underwater sound, control indicating member 60 simultaneously and show smoking color, and when microcontroller 20 does not receive this smoking signal, then control indicating member 60 according to the different charged states of battery 30 and show different instruction color.
In above-mentioned control circuit, can be charged to described battery 30 by the DC adapter 70 be connected with charge management module 40, DC adapter 70 is for being converted to suitable dc source by the alternating current of external power supply as 220V and charging to battery 30 through charge management module 40, charge management module 40 is connected with battery 30 and microcontroller 20 respectively, for carrying out Charge Management to battery 30, the charged state of battery 30 is sent to microcontroller 20, the charged state of battery 30 comprises in charging and charging this two states full simultaneously.
Especially, audio-frequency module 50 is connected with battery 30, the loudspeaker 503 that this audio-frequency module 50 comprises again the audio chip 501 be connected with microcontroller 20, the filter unit 504 be connected with audio chip 501 respectively and sound amplifying unit 502 and is connected with filter unit 504 and sound amplifying unit 502 respectively.When microcontroller 20 receives smoking signal, start audio chip 501, audio chip 501 exports the underwater sound sound audio-frequency information prerecorded, and after the filter action of filter unit 504 and the amplification of sound amplifying unit 502, drives loudspeaker 503 to send the simulation shredded tobacco for water pipes underwater sound.Store underwater sound sound audio-frequency information in its audio chip 503, this underwater sound sound audio-frequency information can arrange or record in advance before dispatching from the factory.Therefore, user is achieved when sucking electronic cigarette by this control circuit, can simulate and send the underwater sound, the water bottle or basin that store water without the need to arranging in pairs or groups one as existing electronic cigarette are to send the underwater sound when sucking electronic cigarette, by the function of the true shredded tobacco for water pipes underwater sound of electronic simulation, be conducive to using electronic cigarette and being conducive to smoking cessation.
Especially, indicating member 60 is connected with microcontroller 20, controlled by microcontroller 20, it comprises three-color LED light, this three-color LED light comprises a red light emitting diode, a blue light emitting diode and a green light emitting diode, the anode of the light emitting diode of red light emitting diode, blue light emitting diode and green is all connected with the positive pole of battery 30, provides required power supply by battery 30.This indicating member 60 also comprises the switching tube that three are connected respectively the negative electrode of the negative electrode of red light emitting diode, the blue negative electrode of light emitting diode and the light emitting diode of green, and the grid of three switching tubes is connected respectively three output ports to microcontroller 20.Microcontroller 20 also comprises three input ports, it is connected with the positive pole of battery 30 or ground respectively, if its input port is connected with battery, then the level state of this input port is high level state, if its input port ground connection, then the level state of this input port is low level state.
Above-mentioned microcontroller 20 also comprises a memory cell (not shown), this memory cell store above-mentioned three input ports of microcontroller 20 level state and from the level state of three input ports corresponding for representing the color of battery 30 under different charged state.When microcontroller 20 does not detect smoking signal, microcontroller 20 is according to the level state of above-mentioned three input ports, obtain first color of expression battery under different charged state corresponding with it, and control by above-mentioned three output ports be connected with three-color LED light the light that this three-color LED light sends the first color.Especially, first color comprises for representing the color of battery 30 in charging under state and for representing the color of battery 30 under the full state of charging, wherein: for representing the color of battery 30 in charging under state and for representing that the color of battery 30 under the full state of charging is two kinds of different colors.
Said memory cells also stores corresponding to the level state of above-mentioned three input ports of microcontroller 20 representing second color of user in smoking, namely controls the color of three-color LED light display when microcontroller 20 receives smoking signal.When microcontroller 20 detects smoking signal, microcontroller 20 is according to the level state of above-mentioned three input ports of microcontroller 20, obtain second color of expression user corresponding with it in smoking, and control by three output ports of microcontroller 20 light that three-color LED light sends the second color.Therefore, this control circuit achieves when user sucks electronic cigarette, and display, just in the color of smoking, just shows battery just in charging or full color of charging, improves Consumer's Experience when not in smoking.
In above-mentioned control circuit, also comprise the battery protection module (not shown) be connected with battery 30, the first switch element (diagram is shown) that this battery protection module comprises again protecting control chip and is connected with protecting control chip, protecting control chip for detect battery 30 overcharge and cross put state and battery 30 be in the state of overcharging control first switch element disconnect, no longer battery 30 is charged, and the first switch element disconnection is also controlled when battery 30 was in and puts state, battery 30 is no longer powered (in this enforcement, load refers to the modules of being powered by battery in control circuit) to load.In addition, control circuit also comprises the second switch unit (not shown) be connected with microcontroller 20, microcontroller 20 is when smoking signal being detected, control second switch cell conduction, make the connecting path conducting of battery 30 and electronic smoke atomizer, to realize being atomized the tobacco tar of electronic cigarette.
Fig. 2 is the circuit theory diagrams of charge management module 40 in Fig. 1, as shown in the figure, this charge management module 40 connects with the interface DC1 for being connected DC adapter 70, the chip that this charge management module 40 is BQ24090 by model realizes, external power source is converted to after suitable dc source through DC adapter, through the input pin i.e. " 1 " pin of resistance R1 and R2 to chip BQ24090, to this chip power supply, carrying out charging to battery 30 by this chip, (in figure, B+ represents the positive pole of battery 30, B-represents the negative pole of battery 30), in addition, and the charged state of battery 30 is sent to microcontroller 20 by " 8 " pin, if now battery 30 is in state just in charging, then " 8 " the pin output low level signal of this chip BQ24090 is to microcontroller 20, if now battery 30 is full of electricity, namely the full state of charging is in, then " 8 " pin of this chip BQ24090 exports high level signal to microcontroller 20.
Fig. 3 is microcontroller 20 and connected pneumatic sensor 10 in Fig. 1, the circuit theory diagrams of audio-frequency module 50 and indicating member 60, see Fig. 1 to Fig. 3, in the present embodiment, the chip that microcontroller 20 is preferably SN8P2712 by model realizes and this control circuit comprises two pneumatic sensors, one of them pneumatic sensor is connected with microcontroller 20 by interface MI1, another pneumatic sensor is auxiliary gas flow sensor, it is connected with microcontroller 20 by interface MI2, when one of them pneumatic sensor lost efficacy, this control circuit still can control electronic cigarette and normally work.Particularly, the signal output part of two pneumatic sensors is connected to " 4 " pin of microcontroller 20 respectively by corresponding interface and diode D1, D2.
When user sucks electronic cigarette, high velocity air can be formed, pneumatic sensor just collects user and sucks airflow signal in electronic cigarette, and convert thereof into " 4 " pin that smoking signal sends to microcontroller 20, when " 4 " pin of microcontroller 20 detects smoking signal, just the audio chip 501 in audio-frequency module 50 is outputed signal to by " 17 " pin and " 15 " pin, in the present embodiment, the model of audio chip 501 is preferably AP8921A, " 17 " pin of microcontroller 20 is connected to " 15 " pin of audio chip AP8921A, when " 4 " pin of microcontroller 20 detects smoking signal, " 17 " pin of microcontroller 20 just outputs signal to open this audio chip, " 15 " pin of microcontroller 20 is connected to " 10 " pin of audio chip AP8921A, to choose corresponding audio-frequency information, the i.e. underwater sound sound audio-frequency information that prestores of this audio chip, sound amplifying unit 502 is exported to by " 7 " pin, and in sound amplifying unit 502 amplification of triode Q11, loudspeaker 503 (being SPK1 shown in figure) is driven to send the simulation shredded tobacco for water pipes underwater sound corresponding with underwater sound sound audio-frequency information, therefore can the Reality simulation shredded tobacco for water pipes underwater sound, without the need to storing the water bottle of water or basin to send the underwater sound when user's smoking as existing electronic cigarette by collocation.
Particularly, above-mentioned filter unit 504 comprises resistance R5, inductance L 1 and electric capacity C30, sound amplifying unit 502 comprises resistance R56, resistance R29 and switching tube Q11, wherein: the one end after resistance R5 is connected in parallel with inductance L 1 is connected with reset terminal i.e. " 16 " pin of battery 30 and audio chip 501, and the other end after resistance R5 is connected in parallel with inductance L 1 is connected with the positive input terminal SP+ of loudspeaker 503; One end of resistance R56 is connected with the audio signal output end of audio chip 501 i.e. " 7 " pin, the other end of resistance R56 is connected with the base stage of one end of resistance R29 and switching tube Q11, the other end of resistance R29 and the equal ground connection of emitter stage of switching tube Q11, the colelctor electrode of switching tube Q11 is connected with the negative input end SP-of loudspeaker 503.
Indicating member 60 specifically comprises three-color LED light LED2 again in the present embodiment, this three-color LED light LED2 comprises a red light emitting diode RED, a blue light emitting diode BLUE and green light emitting diode GREEN, and the anode of the light emitting diode of red light emitting diode, blue light emitting diode and green is all connected with the positive pole of battery 30.The negative electrode of the negative electrode of red light emitting diode, the blue negative electrode of light emitting diode and the light emitting diode of green is corresponding after resistance R43, resistance R42 and resistance R41 respectively, be connected with the drain electrode of three FET Q14, FET Q13 and FET Q12 respectively, the source ground of FET Q14, the source electrode of FET Q13 and Q12 are respectively through resistance R58 and resistance R57 ground connection.The grid of these three FETs is connected respectively three output ports i.e. " 7 " pin to microcontroller 20 to " 9 " pin.Microcontroller 20 also comprises three input port IO1 to IO3, distinguish " 6 " pin of corresponding microcontroller, " 16 " pin and " 18 " pin, as shown in the figure, the tie point of input port IO1 contact resistance R35 and resistance R36, the tie point of input port IO2 contact resistance R37 and resistance R38, the tie point of input port IO3 contact resistance R39 and resistance R40.When needing the level state changing these three input ports, only need by i.e. mouth drop-down on resistance, namely these three input ports can be connected with the positive pole of battery 30 or ground respectively, when being connected with the positive pole of battery, the level state of this input port is high level state, when ground connection, then the level state of this input port is low level state.
Above-mentioned microcontroller 20 also comprises a memory cell (not shown), this memory cell store above-mentioned three the input port IO1 to IO3 of microcontroller 20 level state and from the level state of these three input ports corresponding for representing the color of battery 30 under different charged state.When " 4 " pin of microcontroller 20 does not detect smoking signal, microcontroller 20 is according to the level state of above-mentioned three input port IO1 to IO3, obtain first color of expression battery 30 under different charged state corresponding with it, and by above-mentioned three output ports be connected with three-color LED light, namely " 7 " pin to " 9 " pin of microcontroller 20 exports corresponding signal to control the light that this three-color LED light sends the first color.Especially, first color comprises for representing the color of battery 30 in charging under state and for representing the color of battery 30 under the full state of charging, wherein: for representing the color of battery 30 in charging under state and for representing that the color of battery 30 under the full state of charging is two kinds of different colors.
Said memory cells also stores corresponding to the level state of above-mentioned three input port IO1 to IO3 of microcontroller 20 representing second color of user in smoking, namely controls the color that three-color LED light need show when " 4 " pin of microcontroller 20 receives smoking signal.When microcontroller 20 detects smoking signal, microcontroller 20 is according to the level state of above-mentioned three input port IO1 to IO3 of microcontroller 20, obtain second color of expression user corresponding with it in smoking, and export corresponding signal to control the light that three-color LED light sends the second color by " 7 " pin to " 9 " pin of microcontroller 20.
Above-mentioned microcontroller 20 in advance by the level state of three input port IO1 to IO3 from corresponding be used for representing the color of battery 30 under different charged state and smoke time color corresponding stored, as shown in table 1.
Table 1
Such as, when the equal ground connection of three input port IO1 to IO3 of microcontroller 20, its level state is low level state, corresponding value is 000, battery 30 charged state is now detected by " 3 " pin of microcontroller 20, if when " 3 " pin level of microcontroller 20 is low level, represent that battery is in state in charging, the color that now microcontroller 20 controls three-color LED light display by " 7 " pin to " 9 " pin is red.If when " 3 " pin level of microcontroller 20 is high level, represent that battery is in the full state of charging, now microcontroller 20 is green by " 7 " pin to " 9 " the pin color controlled shown by three-color LED light.In addition, when " 4 " pin of microcontroller 20 receives smoking signal, microcontroller 20 color controlled shown by three-color LED light is also redness, as long as and when user's smoking, microcontroller 20 just controls three-color LED light and just shows smoking color, only when not receiving smoking signal, then display represents the color of charged state.
Again such as, when the equal ground connection of input port IO1 with IO2 of microcontroller 20, input port IO3 are connected with anode, then the level state of input port IO1 and IO2 is low level state, the level state of input port IO3 is high level state, corresponding value is 001, and battery 30 in charging state and microcontroller 20 color controlled shown by three-color LED light when expiring state of charging also is respectively red and green.Unlike, when " 4 " pin of microcontroller 20 receives smoking signal, microcontroller 20 color controlled shown by three-color LED light is orange.All the other situations are similar, do not repeat them here.Therefore, the level state (drop-down on resistance) of microcontroller input mouth IO1 to IO3 can be changed easily, thus the color of the color of three-color LED light display when changing battery difference charged state and three-color LED light display when smoking.
In above-mentioned control circuit, when " 4 " pin of microcontroller 20 receives smoking signal, control audio chip 501 by microcontroller 20 and export Simulated Water wave audio information, the simulation shredded tobacco for water pipes underwater sound is exported afterwards by amplification rear drive loudspeaker 503, and outputing signal by " 7 " pin of microcontroller 20 light sending smoking color with the three-color LED light controlled in indicating member 60 to " 9 " pin simultaneously, this smoking color is stored in advance in the memory cell of microcontroller 20.In addition, also can by the volume regulating loudspeaker to send the simulation shredded tobacco for water pipes underwater sound, volume is divided into different grades by audio chip, and by the signal feedback of representative volume that detects to microcontroller, according to this signal, microcontroller judges which grade is the volume of the simulation shredded tobacco for water pipes underwater sound that current speaker sends be in again, the three-color LED cigarette controlled in indicating member sends the light of respective color afterwards, and the memory cell namely in microcontroller is previously stored with the smoking color of level of sound volume and correspondence thereof.
Second switch unit in above-mentioned control circuit comprises FET Q4A and Q4B and resistance R60, wherein: the grid of FET Q4A with Q4B is all connected with " 10 " pin of microcontroller 20, when " 4 " pin of microcontroller 20 receives smoking signal, it controls " 10 " pin input high level signal, to control FET Q4A and Q4B conducting, and between the source electrode that heating wire in electronic smoke atomizer connects anode and FET Q4B and port OUT, as FET Q4A and Q4B conducting, being equivalent to heating wire is connected between anode and ground, the i.e. supply access conducting of battery and heating wire, electrothermal wire heating is to be atomized tobacco tar, realize electronic cigarette normally to work.
Fig. 4 is the circuit theory diagrams of battery protection module, and it comprises battery protection chip and the first switch element, and as shown in the figure, the model of battery protection chip is S8241, and the first switch element mainly comprises FET Q2A and Q3A and FET Q2B and Q3B.When detect battery 30 be in overcharge state time, control FET Q2A and Q3A by " 5 " the pin output signal of battery protection chip S8241 and disconnect, now external power supply no longer charges to battery 30.When detect battery 30 be in put state time, control FET Q2B and Q3B by " 4 " the pin output signal of battery protection chip S8241 and disconnect, now battery 30 does not reoffer internal electric source.
The utility model additionally provides a kind of electronic cigarette, and this electronic hookah comprises the control circuit in above-described embodiment.This electronic hookah comprises for atomizing cigarette oil foggers, atomizer comprises the heating wire for being atomized tobacco tar, when microcontroller 20 in control circuit detects smoking signal, microcontroller 20 controls the heating wire work in this atomizer, to realize being atomized the tobacco tar of electronic cigarette.
The specific works process of a kind of control circuit of the utility model and electronic cigarette is as follows:
External power supply is converted to after dc source through direct current adaptation 70 and is carried out Charge Management by charge management module 40 pairs of batteries 30 and the charged state of battery 30 is sent to microcontroller 20.Particularly, the charging management chip that charge management module 40 is BQ24090 by model realizes, when battery 30 is in state in charging, " 8 " the pin output low level of this chip BQ24090, when battery 30 is in the full state of charging, " 8 " pin of this chip BQ24090 exports high level, and is received by " 3 " pin of microcontroller 20;
Pneumatic sensor 10 gathers the airflow signal in each suction electronic cigarette and airflow signal is converted to smoking signal and sends to microcontroller 20.In this step, when user sucks electronic cigarette, can form high velocity air, pneumatic sensor 10 generates smoking signal after perceiving air-flow and sends to " 4 " pin of microcontroller 20;
Microcontroller 20 controls audio-frequency module 50 according to the smoking signal received and sends the simulation electronic shredded tobacco for water pipes underwater sound.Particularly, after " 4 " pin of microcontroller 20 receives smoking signal, microcontroller 20 outputs signal to " 15 " pin and " 10 " pin of audio chip AP8921A respectively by its " 17 " pin and " 15 " pin, open this audio chip, and export the underwater sound sound audio-frequency information prerecorded, after amplification by triode Q11, loudspeaker SPK1 is driven to send the simulation shredded tobacco for water pipes underwater sound.Simultaneously, after " 4 " pin of microcontroller 20 receives smoking signal, " 10 " pin of microcontroller 20 exports high level signal, FET Q4A and Q4B conducting, the supply access conducting of battery 30 and the heating wire in electronic smoke atomizer, heating wire works, and realizes being atomized the tobacco tar of electronic cigarette.
Memory cell in microcontroller 20 have in advance by the level state of three input port IO1 to IO3 from corresponding be used for representing the color of battery 30 under different charged state and smoke time color corresponding stored, when " 4 " pin of microcontroller 20 does not detect smoking signal, according to the level state of three input ports of microcontroller 20, obtain the first color under the different charged state of representative corresponding with it, and control by three output ports of microcontroller 20 light that three-color LED light sends described first color.Wherein, in the present embodiment, three input port IO1 to IO3 of microcontroller 20 distinguish " 6 " pin of corresponding microcontrollers 20, " 16 " pin and " 18 " pin, and output port is that " 7 " pin of microcontroller 20 is to " 9 " pin.When " 4 " pin of microcontroller 20 does not receive smoking signal, now judge the charged state of now battery according to the level state of " 3 " pin of microcontroller 20, then show battery color under different charged state to " 9 " pin output corresponding signal to control three-color LED light (for LED2 shown in Fig. 3) at output port i.e. " 7 " pin according to the level state of three input port IO1 to IO3 of microcontroller 20.First color comprises two kinds of different colors, is respectively the battery color of state and the color under the full state of charging in charging.
When " 4 " pin of microcontroller 20 detects smoking signal, according to the level state of three input port IO1 to IO3 of microcontroller 20, obtain second color of expression user corresponding with it in smoking, and control by three output ports (" 7 " pin of microcontroller 20 is to " 9 " pin) light that three-color LED light sends described second color.Namely when user is in smoking, microcontroller 20 priority acccess control three-color LED light display smoking color.
Therefore, implement a kind of control circuit of the present utility model and electronic cigarette, by microcontroller when receiving smoking signal, control audio-frequency module and send the shredded tobacco for water pipes underwater sound, achieve user when sucking electronic cigarette, the underwater sound can be sent by electronic simulation, the water bottle or basin that store water without the need to arranging in pairs or groups one as existing electronic cigarette are to send the underwater sound when sucking electronic cigarette, by the function of the true shredded tobacco for water pipes underwater sound of electronic simulation, be conducive to using electronic cigarette and being conducive to smoking cessation, and undertaken after filtering and described sound amplifying unit amplify audio signal by the described filter unit of simple and ingenious structure, described underwater sound tonequality is better, volume is comparatively large and imitate the sound of electronic hookah to the life, drastically increase Consumer's Experience, avoid sound preferably tiny, unstable, noise is more, the problems such as lower tone.Under different charged state, show different colors by microprocessor control three-color LED light simultaneously, achieve when user sucks electronic cigarette, display, just in the color of smoking, just shows battery just in charging or full color of charging, improves Consumer's Experience when not in smoking.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (10)
1. a control circuit, for controlling electronic cigarette, it is characterized in that, comprise at least one pneumatic sensor (10), the microcontroller (20) be connected with described pneumatic sensor (10), for providing the battery of internal electric source (30) and the audio-frequency module (50) be all connected with described microcontroller (20) and indicating member (60);
Described pneumatic sensor (10) sends to described microcontroller (20) for gathering to suck the airflow signal in described electronic cigarette and convert smoking signal at every turn, described microcontroller (20) sends the simulation shredded tobacco for water pipes underwater sound for controlling described audio-frequency module (50) according to the smoking signal received, and controls described indicating member (60) display smoking color simultaneously; Described microcontroller (20) is also for controlling described indicating member (60) display different instruction color according to the different charged states of described battery (30);
Wherein: described audio-frequency module (50) comprises the audio chip (501) be connected with described microcontroller (20), the filter unit (504) be connected with described audio chip (501) respectively and sound amplifying unit (502) and the loudspeaker (503) be connected with described filter unit (504) and described sound amplifying unit (502) respectively, described microcontroller (20) is for when receiving described smoking signal, described microcontroller (20) starts described audio chip (501), described audio chip (501) exports the underwater sound audio signal prerecorded, and after described sound amplifying unit (502) is amplified, described loudspeaker (503) is driven to send the simulation shredded tobacco for water pipes underwater sound,
Described filter unit (504) comprises resistance R5, inductance L 1 and electric capacity C30, described sound amplifying unit (502) comprises resistance R56, resistance R29 and switching tube Q11, wherein: the one end after described resistance R5 is connected in parallel with described inductance L 1 is connected with the reset terminal of described battery (30) and described audio chip (501), the other end after described resistance R5 is connected in parallel with described inductance L 1 is connected with described loudspeaker (503); One end of described resistance R56 is connected with the audio signal output end of described audio chip (501), the other end of described resistance R56 is connected with the base stage of one end of described resistance R29 and described switching tube Q11, the other end of described resistance R29 and the equal ground connection of emitter stage of described switching tube Q11, the colelctor electrode of described switching tube Q11 is connected with described loudspeaker.
2. control circuit according to claim 1, it is characterized in that, described indicating member (60) comprises three-color LED light, described three-color LED light comprises a red light emitting diode, a blue light emitting diode and a green light emitting diode, and the anode of the light emitting diode of red light emitting diode, blue light emitting diode and green is all connected with the positive pole of described battery (30);
Described indicating member (60) also comprises the switching tube that three are connected respectively the negative electrode of the negative electrode of red light emitting diode, the blue negative electrode of light emitting diode and the light emitting diode of green, and the grid of three switching tubes is connected respectively three output ports to described microcontroller (20).
3. control circuit according to claim 2, it is characterized in that, described microcontroller (20) comprises three input ports, described control circuit also comprises six resistance R35 ~ R40, wherein: between the positive pole that resistance R35 and R36 be connected in series, resistance R37 and R38 be connected in series and resistance R39 and R40 be connected in series are connected in described battery (30) respectively in parallel and ground, described three input ports are corresponding with the tie point of the tie point of resistance R35 and R36, the tie point of resistance R37 and R38 and resistance R39 and R40 respectively connects.
4. control circuit according to claim 3, it is characterized in that, described microcontroller (20) also comprises memory cell, described memory cell store described three input ports level state and from the level state of described three input ports corresponding for representing described battery (30) color under different charged state;
When described microcontroller (20) does not detect described smoking signal, described microcontroller (20) is according to the level state of described three input ports, obtain the first color under the different charged state of expression corresponding with it, and control by described three output ports the light that described three-color LED light sends described first color, wherein: the charged state of described battery (30) comprises state and the full state of charging in charging.
5. control circuit according to claim 4, it is characterized in that, described first color comprises for representing the color of described battery (30) in charging under state and for representing the color of described battery (30) under the full state of charging, wherein: for representing the color of described battery (30) in charging under state and for representing that the color of described battery (30) under the full state of charging is two kinds of different colors.
6. control circuit according to claim 4, is characterized in that, also stores corresponding to the level state of described three input ports representing second color of user in smoking in described memory cell;
When described microcontroller (20) detects described smoking signal, described microcontroller (20) is according to the level state of described three input ports, obtain second color of expression user corresponding with it in smoking, and controlling by described three output ports the light that described three-color LED light sends described second color, described second color is described smoking color.
7. control circuit according to claim 1; it is characterized in that; described control circuit also comprises the battery protection module be connected with described battery (30); the first switch element that described battery protection module comprises protecting control chip and is connected with described control chip, described protecting control chip for detect described battery (30) overcharge and cross put state and described battery (30) be in overcharge state time and cross put state time control described first switch element disconnect.
8. control circuit according to claim 1, it is characterized in that, described control circuit also comprises the second switch unit be connected with described microcontroller (20), described microcontroller (20) is when described smoking signal being detected, control described second switch cell conduction, make described battery (30) and the supply access conducting of electronic smoke atomizer, realize being atomized the tobacco tar of electronic cigarette.
9. control circuit according to claim 1, it is characterized in that, described control circuit also comprises and being connected with described battery (30), for carrying out Charge Management to described battery (30) and the charged state of described battery (30) being sent to the charge management module (40) of described microcontroller (20), the dc source that described battery (30) is changed through DC adapter (70) by external power supply charges.
10. an electronic cigarette, is characterized in that, described electronic cigarette comprises the control circuit as described in any one of claim 1-9.
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| CN201420360538.9U CN204070537U (en) | 2014-06-30 | 2014-06-30 | A kind of control circuit and electronic cigarette |
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| CN201420360538.9U CN204070537U (en) | 2014-06-30 | 2014-06-30 | A kind of control circuit and electronic cigarette |
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| CN204070537U true CN204070537U (en) | 2015-01-07 |
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| CN104757705A (en) * | 2015-04-24 | 2015-07-08 | 北京希格玛和芯微电子技术有限公司 | Electronic cigarette microphone supporting wireless charging and charging method and device thereof |
| CN104950953A (en) * | 2015-06-09 | 2015-09-30 | 昂纳自动化技术（深圳）有限公司 | Electronic cigarette and temperature control method thereof |
| CN104957773A (en) * | 2015-06-08 | 2015-10-07 | 朱文平 | Electronic atomizer gradually reducing tobacco concentration, system and method |
| WO2016000141A1 (en) * | 2014-06-30 | 2016-01-07 | 吉瑞高新科技股份有限公司 | Control circuit, electronic cigarette and method for controlling electronic cigarette |
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| CN104957773A (en) * | 2015-06-08 | 2015-10-07 | 朱文平 | Electronic atomizer gradually reducing tobacco concentration, system and method |
| CN104950953A (en) * | 2015-06-09 | 2015-09-30 | 昂纳自动化技术（深圳）有限公司 | Electronic cigarette and temperature control method thereof |
| CN108135268A (en) * | 2015-09-28 | 2018-06-08 | 尼科创业控股有限公司 | Electronics steam provides system |
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| CN109789285A (en) * | 2016-08-05 | 2019-05-21 | 尤尔实验室有限公司 | The wind speed of evaporator assists control |
| US12193513B2 (en) | 2016-08-05 | 2025-01-14 | Juul Labs, Inc. | Anemometric-assisted control of a vaporizer |
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