CN204540815U - A kind of electronic cigarette of automatic control atomization power - Google Patents
A kind of electronic cigarette of automatic control atomization power Download PDFInfo
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- CN204540815U CN204540815U CN201520033710.4U CN201520033710U CN204540815U CN 204540815 U CN204540815 U CN 204540815U CN 201520033710 U CN201520033710 U CN 201520033710U CN 204540815 U CN204540815 U CN 204540815U
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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
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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
Abstract
The utility model discloses a kind of electronic cigarette of automatic control atomization power, this electronic cigarette comprises the power module for powering for electronic cigarette, smoking trigger module, main controller, atomizer heating wire, the oil-deflecting element contacted with described atomizer heating wire, for detecting photodetection assembly and the power conditioning module of described oil-deflecting element light transmittance, photodetection assembly is used for by detecting oil-deflecting element light transmittance, and the light transmittance of oil-deflecting element can reflect its tobacco tar amount absorbed, and then main controller exports corresponding power regulating signals to regulate the atomization power of electronic cigarette according to the detection signal that photodetection assembly provides.The utility model is supplied to the signal of telecommunication of the reaction oil-deflecting element light transmittance of main controller by photodetection assembly, realize the Automated condtrol of electronic cigarette atomizing power, has simply, cost is low, is easy to the advantage of realization, significantly can promote Consumer's Experience.
Description
Technical field
The utility model relates to electronic cigarette technology, particularly relates to a kind of electronic cigarette and method of automatic control atomization power.
Background technology
Electronic cigarette is a kind of comparatively common simulation cigarette electronic product, and it is primarily of battery rod and atomizer composition.When the smoker inhales, open atomizer by the switch module be electrically connected with atomizer, wherein, after atomizer is opened, atomizer heating wire generates heat, and tobacco juice is heated and evaporates atomization, forms the aerosol of simulated flue gas.
In existing electronic cigarette, when tobacco tar is all sufficient, atomizer with a constant atomization power atomization tobacco tar, flue gas pure in mouth feel and occur burning cotton phenomenon.But along with the increase of service time, tobacco tar content reduces gradually, the tobacco tar amount that oil-deflecting element absorbs also can reduce, if now also with constant atomization power atomization tobacco tar, flue gas taste bad, even appearance is burnt cotton and produces the situation of peculiar smell, thus brings very bad experience to user.
Therefore, for above-mentioned situation, how automatically control the atomization power of electronic cigarette according to the tobacco tar amount that oil-deflecting element absorbs, make electronic cigarette more humane, more can bring good experience to user, become the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model is, automatically cannot control for existing electronic cigarette the defect being atomized power according to the tobacco tar content on oil-deflecting element, provides a kind of electronic cigarette of automatic control atomization power.
In order to solve the problems of the technologies described above, the utility model provides a kind of electronic cigarette of automatic control atomization power, comprise: for the power module of powering for electronic cigarette, smoking trigger module, main controller, atomizer heating wire, the oil-deflecting element contacted with described atomizer heating wire, wherein, also comprise power conditioning module and the photodetection assembly for detecting described oil-deflecting element light transmittance, described photodetection assembly is used for determining by detecting described oil-deflecting element light transmittance the tobacco tar amount that described oil-deflecting element absorbs;
Described photodetection assembly comprises light emitting module for irradiating described oil-deflecting element and at least one light detection module; Wherein,
Described main controller connects smoking trigger module, light emitting module, at least one light detection module and power conditioning module respectively; Described power conditioning module connects described atomizer heating wire;
Described smoking trigger module is for responding to smoking signal and described smoking signal being sent to described main controller;
It is luminous that described main controller is used for controlling described light emitting module according to described smoking signal, at least one light detection module described is for being received in the reverberation reflected from described oil-deflecting element under described light emitting module irradiates or the transmitted light transmitted, and export the signal of telecommunication to described main controller according to received intensity of reflected light or transmitted intensity, thus described main controller is according to the electrical signal intensity transmitting power control signal of input extremely described power conditioning module;
Described power conditioning module is used for the atomization power regulating described atomizer resistance wire according to described power control signal.
Preferably, at least one light detection module described comprises the reverberation for receiving described oil-deflecting element and exports the first smooth detection module of first signal of telecommunication and export the second smooth detection module of second signal of telecommunication for the transmitted light that receives described oil-deflecting element.
Preferably, described first smooth detection module and described second smooth detection module respectively comprise a photo resistance or light sensor, export the signal of telecommunication for receiving optical signals is also corresponding.
Preferably, described first smooth detection module also comprises the first divider resistance, connect with corresponding described photo resistance or light sensor in described first divider resistance one end, the other end of described first divider resistance is used for external power supply positive pole, the other end ground connection of described photo resistance or light sensor, described second signal of telecommunication is the dividing potential drop on described photo resistance or light sensor.
Preferably, described second smooth detection module also comprises the second divider resistance, connect with corresponding described photo resistance or light sensor in described second divider resistance one end, the other end of described second divider resistance is used for external power supply positive pole, the other end ground connection of described photo resistance or light sensor, described second signal of telecommunication is the dividing potential drop on described photo resistance or light sensor.
Preferably, described light emitting module is light emitting diode.
Preferably, described power conditioning module comprises a switching tube, described main controller is connected to the control pole of described switching tube, described main controller is used for exporting described power control signal to described control pole, the dutycycle of described power control signal changes along with the change of the described signal of telecommunication, described switching tube is used for the ON time of atomizer heating wire according to the duty cycle adjustment of described power control signal, and then regulates the power of described atomizer heating wire.
Preferably, described main controller comprises threshold value comparison module and control module further;
Described threshold value comparison module is used for the described signal of telecommunication and threshold value to compare; When the described signal of telecommunication is greater than default first threshold, described control module exports the first dutycycle power control signal to described power conditioning module; When the described signal of telecommunication is greater than default Second Threshold and is less than described first threshold, described control module exports the second dutycycle power control signal to described power conditioning module; When the described signal of telecommunication is greater than the 3rd default threshold value and is less than described Second Threshold, described control module exports the 3rd dutycycle power control signal to described power conditioning module; Otherwise described control module exports the 4th dutycycle power control signal to described power conditioning module.
Preferably, described smoking trigger module comprises airflow sensor device and/or button trigger element.
Preferably, described power module comprises battery and voltage conversion unit further; The electronic cigarette of described automatic control atomization power also comprises oil mass reminding module; Wherein,
Described voltage conversion unit is used for the voltage of described battery to change, and the voltage of output is supplied to described light emitting module and at least one light detection module described;
Described oil mass reminding module is used for the control signal prompting oil mass according to described main controller.
The utility model has following beneficial effect: the utility model is supplied to the signal of telecommunication of the reaction oil-deflecting element light transmittance of main controller by photodetection assembly, realize the atomization power of the sub-cigarette of automatic control electric.The automatic control atomization power that the utility model provides method has simply, cost is low, the advantage that is easy to realization, significantly can promote Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the first embodiment electronic cigarette structure block diagram that the utility model provides;
Fig. 2 is the second embodiment electronic cigarette circuit diagram that the utility model provides;
Fig. 3 is the 3rd embodiment electronic cigarette structure block diagram that the utility model provides;
Fig. 4 is the 4th embodiment electronic cigarette circuit diagram that the utility model provides;
Fig. 5 is the 5th embodiment main controller block diagram that the utility model provides;
Fig. 6 is the 6th embodiment Poewr control method flow chart that the utility model provides;
Fig. 7 is the 7th embodiment Poewr control method flow chart that the utility model provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Fig. 1 is the first embodiment electronic cigarette structure block diagram that the utility model provides.As shown in Figure 1, the present embodiment electronic cigarette comprises: main controller 1, atomizer heating wire 2, the oil-deflecting element 3 contacted with atomizer heating wire 2, the smooth detection module 52 of light emitting module the 4, first smooth detection module 51, second, power conditioning module 6, oil mass reminding module 7, smoking trigger module 8 and power module 9.Wherein the smooth detection module 51 of light emitting module 4, first and the second smooth detection module 52 constitute the photodetection assembly in the present embodiment.It should be noted that, in the present embodiment, described oil-deflecting element 3 is the glass cord in column structure, and described atomizer heating wire 2 is wrapped on described oil-deflecting element 3; Wherein, described oil-deflecting element 3 also can be arranged to tubular structure, described atomizer heating wire 2 is cylindrical coil shape and is set in described oil-deflecting element 3, described oil-deflecting element 3 can also be arranged to platy structure, and the disk-shaped helicoidal structure of described atomizer heating wire 2 is also fitted in the side etc. of described oil-deflecting element; Therefore, described atomizer heating wire 2 is in this no limit with the concrete structure of oil-deflecting element 3.The operation principle of the electronic cigarette that the present embodiment provides is as follows:
Power module 9 is for powering for each functional module in circuit, and it is electrically connected to the smooth detection module 52 of light emitting module the 4, first smooth detection module 51, second, oil mass reminding module 7, smoking trigger module 8, main controller 1 and power conditioning module 6 respectively.For embodying emphatically the core signal stream in the application, Fig. 1 eliminates the electrical connection of power module 9 and partial function module.
Smoking trigger module 8 is for being sent to main controller 1 by smoking signal.In the preferred embodiment that the utility model provides, smoking trigger module 8 can be key switch.User prepares smoking when maybe will stop smoking, only needs trigger key switch.The push button signalling of user can be sent to main controller 1, and main controller 1 controls the break-make of electronic cigarette further.In another preferred embodiment that the utility model provides, smoking trigger module 8 can also be airflow sensor device.During user's smoking, the negative pressure that airflow sensor device senses the user's smoking of electronic cigarette internal cause and produces, when negative pressure exceedes predetermined threshold value, airflow sensor device sends smoking signal to start electronic cigarette to main controller 1.
After main controller 1 receives the smoking signal of smoking trigger module 8 transmission, control light emitting module 4 luminous.The incident ray 20 that light emitting module 4 sends is irradiated to after on oil-deflecting element 3, and a part of light is reflected by oil-deflecting element 3, and the transmission from oil-deflecting element 3 of a part of light is gone out.Reflection ray 40 receive by the first smooth detection module 51 and convert first signal of telecommunication to and be sent to main controller 1, transmitted ray 60 receive by the second smooth detection module 52 and convert second signal of telecommunication to and be sent to main controller 1.First signal of telecommunication is relevant with the luminous intensity of received reflection ray 40 and transmitted ray 60 respectively with the power of second signal of telecommunication.And reflection ray 40 is relevant with the tobacco tar amount that oil-deflecting element 3 absorbs with the luminous intensity of transmitted ray 60.Therefore, first signal of telecommunication and second signal of telecommunication are all relevant to the tobacco tar amount that oil-deflecting element 3 absorbs, and this relation has been stored in advance in main controller 1.After main controller 1 receives the signal of telecommunication that the first smooth detection module 51 and the second smooth detection module 52 send, according to the corresponding relation of the signal of telecommunication prestored and tobacco tar amount, the tobacco tar amount information absorbed in oil-deflecting element 3 can be obtained, and tobacco tar amount information is sent to oil mass reminding module 7 shows.Meanwhile, main controller 1 can send a control signal to power conditioning module 6 with the atomization power of adjusting atomizer heating wire 2 according to tobacco tar amount.
Atomizer heating wire 2 is generally resistance device, produces high temperature, and then be atomized by tobacco tar by electroluminescent heating.Oil-deflecting element 3 contacts with atomizer heating wire 2, is guided to by tobacco tar on atomizer heating wire 2, is atomized for atomizer heating wire 2.Atomizer heating wire 2 is connected to power conditioning module 6, and the atomization power of atomizer heating wire 2 is regulated by power conditioning module 6.Be understandable that, the power adjusting of described power conditioning module 6 to described atomizer heating wire 2 comprises the power supply disconnected described atomizer heating wire 2.
Oil mass reminding module 7 can comprise display screen and/or indicator lamp.Wherein, display screen is for showing the numeral relevant to oil mass and/or word.And indicator lamp by bright-dark degree represent oil mass number, also can by flicker mode indicate low on fuel.Whether should be understood that in the utility model, oil mass reminding module 7 is optional function modules, can select according to actual needs to be included in the electronic cigarette that the utility model provides.
Present embodiments provide a kind of utilize optical signal detecting oil-deflecting element 3 to absorb tobacco tar amount and the electronic cigarette of atomization power according to cigarette fuel-flow control electronic cigarette, can significantly promote electronic cigarette mouthfeel and nebulization efficiency, and testing cost is low, method is simple and be easy to realize.
Fig. 2 is the second embodiment electronic cigarette circuit diagram that the utility model provides.As shown in Figure 2, the electronic cigarette circuit diagram of the present embodiment can be divided into two parts, and a part is the circuit diagram of battery component 100, and another part is the circuit diagram of atomizer 200.Battery component 100 and atomizer 200 are electrically connected to each other by respective interface and define electronic cigarette circuit diagram.
In battery component 100, battery BT and voltage conversion unit 91 (as shown in dotted outline in FIG.) constitute the power module of the application, for providing voltage for each circuit module.Wherein, voltage conversion unit 91 is for becoming suitable voltage by the voltage transitions of battery BT.Voltage after voltage conversion unit 91 is changed is input in light emitting module, the first smooth detection module 51 and the second smooth detection module 52.As shown in Figure 2, voltage conversion unit 91 comprises a voltage conversion chip U3.In the present embodiment, the model of described voltage conversion chip U3 is TLV70430, and described voltage conversion chip U3 has 3 pins and used, and the 1st pin is voltage input end Vin, and the 3rd pin is voltage output end Vout, and the 2nd pin is earth terminal GND.1st pin of voltage conversion chip U3 connects the positive pole of battery BT, and the 3rd pin of voltage conversion chip U3 is connected to the 2 pin ground connection of the anode of LED 5, resistance R4 and resistance R5, voltage conversion chip U3 respectively.In addition, be also connected to an electric capacity C2 between the 1st and the 2nd pin of voltage conversion chip U3, the 3rd of voltage conversion chip U3 the and second is also connected to an a resistance R3 and electric capacity C3 between pin.Key switch SW2 is smoking trigger module, and smoking signal is sent to main controller U4 by trigger key interrupteur SW 2 by user.Switching tube Q2 is power conditioning module.LED 3 and LED4 form oil mass reminding module.
In atomizer 200, LED 5 is light emitting module, and the incident ray 20 that it sends is irradiated on oil-deflecting element Y3.Resistance R4 and photo resistance R17 constitutes the first smooth detection module 51, for receiving the reflection ray 40 of oil-deflecting element Y3.Resistance R5 and photo resistance R18 constitutes the second smooth detection module 52, for receiving the transmitted ray 60 of oil-deflecting element Y3.Oil-deflecting element Y3 contacts with resistance R19, is guided to by tobacco tar on resistance R19.Resistance R19 is atomizer heating wire, and it is atomized by electroluminescent heating and guides from oil-deflecting element Y3 the tobacco tar come up.
The operation principle of whole circuit is as follows:
One end of key switch SW2 connects the 3rd pin of main controller U4, other end ground connection.After key switch SW2 is pressed, the 3rd pin input low level of main controller U4, and then main controller U4 the 5th pin output low level.Because the anode of LED 5 connects the output of voltage conversion unit 91, its negative electrode is connected to the 5th pin of main controller U4 by resistance R12, so when the 5th pin output low level of main controller U4, LED 5 conducting, thus the irradiation oil-deflecting element Y3 that emits beam.Incident ray 20 part be irradiated on oil-deflecting element Y3 is reflected, and another part transmission from oil-deflecting element Y3 is gone out.Wherein, reflection ray 40 is irradiated on photo resistance R17, and transmitted ray 60 is irradiated on photo resistance R18.Under the irradiation of light, the resistance value of photo resistance R17 and photo resistance R18 changes.In the first smooth detection module 51, between the output that resistance R4 is connected to voltage conversion unit 91 after connecting with photo resistance R17 and ground, the dividing potential drop on photo resistance R17 inputs to the 8th pin of main controller U4.In the second smooth detection module 52, between the output that resistance R5 and photo resistance R18 is connected to voltage conversion unit 91 after connecting and ground, the dividing potential drop on photo resistance R18 inputs to the 7th pin of main controller U4.In main controller U4, prestore the corresponding relation of the partial pressure value in tobacco tar amount and photo resistance that oil-deflecting element Y3 absorbs, therefore, the size of the partial pressure value that main controller U4 can receive according to its 8th pin and the 7th pin obtains the tobacco tar amount that oil-deflecting element Y3 absorbs, and then exports by its 4th pin the brightness that control signal controls LED 3 and LED4.Main controller U4 can further according to tobacco tar amount from different PWM (pulse width modulation) signal of the 2nd pin output duty cycle to the grid of switching tube Q2.The source electrode of switching tube Q2 is connected to the positive pole of battery BT, and drain electrode is connected to one end of resistance R19, the other end ground connection of resistance R19.So when switching tube Q2 conducting, resistance R19 switches on power, and current flowing resistance R19 makes it generate heat, and then atomization tobacco tar.Main controller U4 carrys out the ON time of by-pass cock pipe Q2 by the dutycycle of the pwm signal regulating its 2nd pin and export, and then the average atomizing power of controlling resistance R19.
In addition, the battery voltage sensing module of resistance R13 and R14 composition and the output voltage detection module of resistance R7 and R11 composition is also comprised in battery component 100.Battery voltage sensing module is for detecting the magnitude of voltage of battery.Output voltage detection module is used for the voltage that sense switch pipe Q2 exports resistance R19 to.Wherein, resistance R13 one end connects the positive pole of battery BT, one end of other end contact resistance R14, the other end ground connection of resistance R14.Dividing potential drop on resistance R14 inputs to the 9th pin of main controller U4, and main controller U4 obtains the voltage of battery by the magnitude of voltage detecting its 9th pin.The drain electrode of one end connecting valve pipe Q2 of resistance R7, one end of other end contact resistance R11, the other end ground connection of resistance R11.Dividing potential drop on resistance R11 inputs to the 6th pin of main controller U4, and main controller U4 obtains the voltage of switching tube Q2 output by the magnitude of voltage detecting its 6th pin.By implementing battery voltage sensing module and output voltage detection module, main controller U4 can grasp the voltage of input on cell voltage and resistance R19, and then regulates atomization power by the ON time of regulating resistance R19.Because along with the passing of service time, the electricity of battery can reduce, and the voltage of output can reduce, and in order to not affect the mouthfeel of smoking, when the voltage that battery exports reducing, needing to extend nebulisation time, thus tobacco tar is fully atomized.Therefore, in the preferred embodiment that the utility model provides, main controller U4 not only carrys out output power signal according to the voltage division signal on photo resistance R17 and R18, and the voltage also considered on battery BT carrys out output power signal.
In the present embodiment, main controller U4 model is MC32P7010A0I, totally 10 pins.Except 2nd ~ 9 pins arrived presented hereinbefore, the 1st pin of main controller U4 connects battery BT positive pole by a counnter attack diode D2, to power for main controller U4.Meanwhile, the 1st pin of main controller U4 is connected to ground capacity C4.The 10th pin ground connection of main controller U4.
Fig. 3 is the 3rd embodiment electronic cigarette structure block diagram that the utility model provides.As shown in Figure 3, the present embodiment electronic cigarette comprises: main controller 1, atomizer heating wire 2, the oil-deflecting element 3 contacted with atomizer heating wire 2, light emitting module 4, light detection module 5, power conditioning module 6, oil mass reminding module 7, smoking trigger module 8 and power module 9.Wherein light emitting module 4, light detection module 5 constitute the photodetection assembly in the present embodiment.The operation principle of the electronic cigarette that the present embodiment provides is as follows:
Power module 9 is for powering for each functional module in circuit, and it is electrically connected to light emitting module 4, light detection module 5, oil mass reminding module 7, smoking trigger module 8, main controller 1 and power conditioning module 6 respectively.For embodying emphatically the core signal stream in the application, Fig. 3 eliminates the electrical connection of power module 9 and partial function module.
Smoking trigger module 8 is for being sent to main controller 1 by smoking signal.In the preferred embodiment that the utility model provides, smoking trigger module 8 can be key switch.User prepares smoking when maybe will stop smoking, only needs trigger key switch.The push button signalling of user can be sent to main controller 1, and main controller 1 controls the break-make of electronic cigarette further.In another preferred embodiment that the utility model provides, smoking trigger module 8 can also be airflow sensor device.During user's smoking, airflow sensor device can sense the negative pressure because producing in electronic cigarette during user's smoking, and when negative pressure exceedes predetermined threshold value, airflow sensor device sends smoking signal to start electronic cigarette to main controller 1.
After main controller 1 receives the smoking signal of smoking trigger module 8 transmission, control light emitting module 4 luminous.The incident ray 20 that light emitting module 4 sends is irradiated to after on oil-deflecting element 3, the transmitted ray 60 that transmission is gone out from oil-deflecting element 3 receive by light detection module 5 and convert the signal of telecommunication to and be sent to main controller 1.The power of the signal of telecommunication is relevant with the luminous intensity of received transmitted ray 60.And the luminous intensity of transmitted ray 60 is relevant with the tobacco tar amount that oil-deflecting element 3 absorbs.Therefore, the signal of telecommunication is relevant to the tobacco tar amount that oil-deflecting element 3 absorbs, and this relation has been stored in advance in main controller 1.After main controller 1 receives the signal of telecommunication that light detection module 5 sends, according to the corresponding relation of the signal of telecommunication prestored and tobacco tar amount, the tobacco tar amount information absorbed in oil-deflecting element 3 can be obtained, and tobacco tar amount information is sent to oil mass reminding module 7 shows.Meanwhile, main controller 1 can send a control signal to power conditioning module 6 with the atomization power of adjusting atomizer heating wire 2 according to tobacco tar amount information.
Atomizer heating wire 2 is generally resistance device, produces high temperature, and then be atomized by tobacco tar by electroluminescent heating.Oil-deflecting element 3 contacts with atomizer heating wire 2, is guided to by tobacco tar on atomizer heating wire 2, is atomized for atomizer heating wire 2.Atomizer heating wire 2 is connected to power conditioning module 6, and the atomization power of atomizer heating wire 2 is regulated by power conditioning module 6.
Oil mass reminding module 7 can comprise display screen and/or indicator lamp.Wherein, display screen is for showing the numeral relevant to oil mass and/or word.And indicator lamp by bright-dark degree represent oil mass number, also can by flicker mode indicate low on fuel.Whether should be understood that in the utility model, oil mass reminding module 7 is optional function modules, can select according to actual needs to be included in the electronic cigarette that the utility model provides.
Present embodiments provide a kind of utilize optical signal detecting oil-deflecting element 3 to absorb tobacco tar amount and the electronic cigarette of atomization power according to cigarette fuel-flow control electronic cigarette, can significantly promote electronic cigarette mouthfeel and nebulization efficiency, and testing cost is low, method is simple and be easy to realize.Compared with the first embodiment, the present embodiment only have employed a light detection module, and the circuit structure of the electronic cigarette being is simpler.But, adopt two light detection modules then can improve the reliability of detection simultaneously.
Fig. 4 is the 4th embodiment electronic cigarette circuit diagram that the utility model provides.As shown in Figure 4, the electronic cigarette circuit diagram of the present embodiment can be divided into two parts, and a part is the circuit diagram of battery component 300, and another part is the circuit diagram of atomizer 400.Battery component 300 and atomizer 400 are electrically connected to each other by respective interface and define electronic cigarette circuit diagram.
Wherein, in battery component 300, battery BT and voltage conversion unit 91 (as shown in dotted outline in FIG.) constitute the power module of the application, for providing voltage for each circuit module.Wherein, voltage conversion unit 91 is for becoming suitable voltage by the voltage transitions of battery BT.Voltage after voltage conversion unit 91 is changed is input in light emitting module, the first smooth detection module 51 and the second smooth detection module 52.As shown in Figure 2, voltage conversion unit 91 comprises a voltage conversion chip U3.In the present embodiment, described voltage conversion chip U3 has 3 pins and is used, and the 1st pin is voltage input end Vin, and the 3rd pin is voltage output end Vout, and the 2nd pin is earth terminal GND.1st pin of voltage conversion chip U3 connects the positive pole of battery BT, and the 3rd pin of voltage conversion chip U3 is connected to the 2 pin ground connection of the anode of LED 5, resistance R4 and resistance R5, voltage conversion chip U3 respectively.In addition, be also connected to an electric capacity C2 between the 1st and the 2nd pin of voltage conversion chip U3, the 3rd of voltage conversion chip U3 the and second is also connected to an a resistance R3 and electric capacity C3 between pin.Key switch SW2 is smoking trigger module, and smoking signal is sent to main controller U4 by trigger key interrupteur SW 2 by user.Switching tube Q2 is power conditioning module.LED 3 and LED4 form oil mass reminding module.
In atomizer 400, LED 5 is light emitting module, and the incident ray 20 that it sends is irradiated on oil-deflecting element Y3.Resistance R5 and photo resistance R18 constitutes light detection module 5 (as shown in dotted outline in FIG.), for receiving the transmitted ray 40 transmitted from oil-deflecting element Y3.Oil-deflecting element Y3 contacts with resistance R19, is guided to by tobacco tar on resistance R19.Resistance R19 is atomizer heating wire, and it is atomized by electroluminescent heating and guides from oil-deflecting element Y3 the tobacco tar come up.
The operation principle of whole circuit is as follows:
One end of key switch SW2 connects the 3rd pin of main controller U4, other end ground connection.After key switch SW2 is pressed, the 3rd pin input low level of main controller U4, and then main controller U4 the 5th pin output low level.Because the anode of LED 5 connects the output of power conversion unit 91, its negative electrode is connected to the 5th pin of main controller U4 by resistance R12, so when the 5th pin output low level of main controller U4, LED 5 conducting, thus send incident ray 20 and irradiate oil-deflecting element Y3.Under the irradiation of LED 5, the transmission from oil-deflecting element Y3 of a part of incident ray 20 is gone out and is formed transmitted ray 60.Transmitted ray 60 is irradiated on photo resistance R18.Under the irradiation of light, the resistance value of photo resistance R18 changes.In light detection module 5, between the output that resistance R5 and photo resistance R18 is connected to power conversion unit 91 after connecting and ground, the dividing potential drop on photo resistance R18 inputs to the 7th pin of main controller U4.In main controller U4, prestore the corresponding relation of the partial pressure value in tobacco tar amount and photo resistance that oil-deflecting element Y3 absorbs, therefore, the size of the partial pressure value that main controller U4 can receive according to its 7th pin obtains the tobacco tar amount that oil-deflecting element Y3 absorbs, and then exports by its 4th pin the brightness that control signal controls LED 3 and LED4.Main controller U4 can further according to tobacco tar amount from different PWM (pulse width modulation) signal of the 2nd pin output duty cycle to the grid of switching tube Q2.The source electrode of switching tube Q2 is connected to the positive pole of battery BT, and drain electrode is connected to one end of resistance R19, the other end ground connection of resistance R19.So when switching tube Q2 conducting, resistance R19 switches on power, and current flowing resistance R19 makes it generate heat, and then atomization tobacco tar.Main controller U4 carrys out the ON time of by-pass cock pipe Q2 by the dutycycle of the pwm signal regulating its 2nd pin and export, and then the average atomizing power of controlling resistance R19.
In addition, the battery voltage sensing module of resistance R13 and R14 composition and the output voltage detection module of resistance R7 and R11 composition is also comprised in battery component 100.Battery voltage sensing module is for detecting the magnitude of voltage of battery.Output voltage detection module is used for the voltage that sense switch pipe Q2 exports resistance R19 to.Wherein, resistance R13 one end connects the positive pole of battery BT, one end of other end contact resistance R14, the other end ground connection of resistance R14.Dividing potential drop on resistance R14 inputs to the 9th pin of main controller U4, and main controller U4 obtains the voltage of battery by the magnitude of voltage detecting its 9th pin.The drain electrode of one end connecting valve pipe Q2 of resistance R7, one end of other end contact resistance R11, the other end ground connection of resistance R11.Dividing potential drop on resistance R11 inputs to the 6th pin of main controller U4, and main controller U4 obtains the voltage of switching tube Q2 output by the magnitude of voltage detecting its 6th pin.By implementing battery voltage sensing module and output voltage detection module, main controller U4 can grasp the voltage of input on cell voltage and resistance R19, and then regulates atomization power by the ON time of regulating resistance R19.Because along with the passing of service time, the electricity of battery can reduce, and the voltage of output can reduce, and in order to not affect the mouthfeel of smoking, when the voltage that battery exports reducing, needing to extend nebulisation time, thus tobacco tar is fully atomized.Therefore, in the preferred embodiment that the utility model provides, main controller U4 not only carrys out output power signal according to the voltage division signal on photo resistance R17 and R18, and the voltage also considered on battery BT carrys out output power signal.
In the present embodiment, main controller U4 model is MC32P7010A0I, totally 10 pins.Except 2nd ~ 7 and 9 pins arrived presented hereinbefore, the 1st pin of main controller U4 connects battery BT positive pole by a counnter attack diode D2, to power for main controller U4.Meanwhile, the 1st pin of main controller U4 is connected to ground capacity C4.The 10th pin ground connection of main controller U4.8th pin of main controller U4 is unsettled.
Fig. 5 is the 5th embodiment main controller block diagram that the utility model provides.As shown in Figure 5, the present embodiment main controller 1 comprises threshold value comparison module 11 and control module 12.Wherein, described threshold value comparison module 11 is for comparing from light detection module 5 signal of telecommunication and the threshold value preset of being received by main controller 1.Described control module 12 for the different power control signal of the comparative result output duty cycle according to threshold value comparison module 11 to power conditioning module 6.Particularly, when the signal of telecommunication is greater than default first threshold, control module 12 exports the first dutycycle power control signal to power conditioning module 6; When the signal of telecommunication is greater than default Second Threshold and is less than first threshold, control module 12 exports the second dutycycle power control signal to power conditioning module 6; When the signal of telecommunication is greater than the 3rd default threshold value and is less than Second Threshold, control module 12 exports the 3rd dutycycle power control signal to power conditioning module 6; Otherwise control module 12 and then output the 4th dutycycle power control signal are to power conditioning module 6.
Fig. 6 is the method flow diagram that the 6th embodiment that the utility model provides controls to be atomized power automatically.As shown in Figure 6, the method for the automatic control atomization power that the present embodiment provides is for electronic cigarette, and this method comprises the following steps:
S1. main controller detects whether there is smoking signal, if having, then goes to step S2; Otherwise continue to detect;
Main controller detects the smoking signal of smoking trigger module input in real time, and has judged whether smoking action or smoking trigger action.If had, be then for further processing, if do not had, then continue to detect.
S2. main controller exports control signal and controls light emitting module luminescence;
When smoking action having been detected or inhale pressure trigger action, the signal output pin of main controller has just exported control signal, to control light emitting module luminescence.
S3. light emitting module irradiates oil-deflecting element;
In the preferred embodiment that the utility model provides, light emitting module adopts light emitting diode.The illumination that light emitting diode sends is mapped on storage oil-deflecting element, according to the difference of the tobacco tar amount that oil-deflecting element absorbs, the light be irradiated on oil-deflecting element reflected and the luminous intensity that is transmitted also corresponding different.
S4. light detection module detect the refract light of oil-deflecting element or reverberation and the signal of telecommunication exporting reflection oil-deflecting element light transmittance to main controller;
In the preferred embodiment that the utility model provides, light detection module comprises photo resistance or light sensor.When the transmitted light of oil-deflecting element or reverberation are irradiated on photo resistance or light sensor, the resistance on photo resistance or light sensor can change along with the Strength Changes of irradiating light, and then exports the different signals of telecommunication to main controller.Therefore, the signal of telecommunication that Optical Receivers exports reflects the luminous intensity of reverberation and/or transmitted light, and then reflects the tobacco tar amount that oil-deflecting element absorbs.
In another preferred embodiment that the utility model provides, step S4 also comprises: S41. detects the reverberation of oil-deflecting element and exports first signal of telecommunication; And S42. detects the transmitted light of oil-deflecting element and exports second signal of telecommunication.Main controller draws tobacco tar amount according to first signal of telecommunication and second signal of telecommunication.
S5. main controller is according to signal of telecommunication output power signal;
As described above, the tobacco tar amount that the signal of telecommunication and oil-deflecting element absorb has corresponding relation, and this corresponding relation is pre-stored in main controller.Main controller just can obtain according to the signal of telecommunication received and the signal of telecommunication that prestores and the corresponding relation of tobacco tar amount the tobacco tar amount information that oil-deflecting element absorbs, and then the power control signal of output correspondence.
S6. power conditioning module is according to the atomization power of power control signal adjusting atomizer heating wire.
Present embodiments provide a kind of utilize optical signal detecting oil-deflecting element to absorb tobacco tar amount and the method for atomization power according to cigarette fuel-flow control electronic cigarette, can significantly promote electronic cigarette mouthfeel and nebulization efficiency, and testing cost is low, method simple and be easy to realize.
Fig. 7 is the method flow diagram that the 7th embodiment that the utility model provides controls to be atomized power automatically.As shown in Figure 7, the method for the automatic control atomization power that the present embodiment provides is for electronic cigarette, and this method comprises the following steps:
S1. main controller detects whether there is smoking signal, if having, then goes to step S2; Otherwise continue to detect;
Main controller detects the smoking signal of smoking trigger module input in real time, and has judged whether smoking action or smoking trigger action.If had, be then for further processing, if do not had, then continue to detect.
S2. main controller exports control signal and controls light emitting module luminescence;
When smoking action having been detected or inhale pressure trigger action, the signal output pin of main controller has just exported control signal, to control light emitting module luminescence.
S3. light emitting module irradiates oil-deflecting element;
In the preferred embodiment that the utility model provides, light emitting module adopts light emitting diode.The illumination that light emitting diode sends is mapped on oil-deflecting element, according to the difference of the tobacco tar amount that oil-deflecting element absorbs, the light be irradiated on oil-deflecting element reflected and the luminous intensity that is transmitted also corresponding different.
S4. main controller judges whether smoking terminates, if then go to step S6, otherwise goes to step S5;
Increasing this step is that conveniently user selects to stop smoking at any time, can also effectively prevent the situation by mistake causing atomizer to start by smoking trigger key because of user from occurring.
S5. obtain the signal of telecommunication VF of the reflection oil-deflecting element light transmittance of cell voltage VB and the input of light detection module, go to step S7;
In the present embodiment, cell voltage VB can by as embodiment above the battery voltage sensing module introduced obtain and be input in main controller.Signal of telecommunication VF is then the voltage signal that light detection module inputs to main controller.
S6. main controller controls light emitting module cut out, and stops power output conditioning signal, returns step S1;
If main controller judges that smoking terminates, so main controller will export corresponding signal to light emitting module light emitting module is closed, saving electric energy.Meanwhile, main controller stops power output conditioning signal, closes power conditioning module, and then makes atomizer resistance wire stop heating.
S7. main controller judges whether VF is greater than default first threshold VSET1, if so, then goes to step S8, otherwise goes to step S9;
S8. comprehensive VB, it is DUTY1 that main controller calculates dutycycle, goes to step S14;
In the present embodiment, the power regulating signals that main controller exports is the pwm signal that dutycycle is different.Power regulating signals is not only relevant with the signal of telecommunication VF that light detection module provides, also relevant with the voltage VB of battery.Along with the prolongation of service time, the voltage of battery can decline by assembly, causes the atomization power reduction of atomizer heating wire.Therefore, in order to overcome cell voltage reduction to the impact of atomization power, needing to consider cell voltage and carrying out power output conditioning signal.Power conditioning module is the switching tube of connecting with atomizer heating wire.Main controller extremely carrys out the ON time of gauge tap pipe by control pwm signals different for dutycycle being sent to switching tube, and then controls the ON time of atomizer heating wire.In same period, the ON time of atomizer heating wire is different, and average atomizing power is just different.
S9. main controller judges whether VF is greater than default Second Threshold VSET2, if so, then goes to step S10, otherwise goes to step S11;
S10. comprehensive VB, it is DUTY2 that main controller calculates dutycycle, goes to step S14;
S11. main controller judges whether VF is greater than the 3rd default threshold value VSET3, if so, then goes to step S12, otherwise goes to step S13;
S12. comprehensive VB, it is DUTY3 that main controller calculates dutycycle, goes to step S14;
S13. comprehensive VB, it is DUTY4 that main controller calculates dutycycle, goes to step S14;
S14. main controller exports the pwm signal of this dutycycle to power conditioning module, goes to step S15;
S15. power conditioning module is according to the atomization power of power control signal adjusting atomizer heating wire, goes to step S4.
Present embodiments provide a kind of method by regulating the dutycycle of pwm signal to regulate electronic cigarette atomizing power, and the dutycycle of pwm signal is relatively determined by three subthresholds.Although the power regulating signals that the present embodiment can export only has four kinds, this method is very simple, and implement and be also easy to, hardware and software cost is extremely low.
Foregoing description relates to various module.These modules generally include the combination (such as solidification software) of hardware and/or hardware and software.These modules can also comprise the computer-readable medium (such as, non-volatile media) comprising instruction (such as, software instruction), when processor performs these instructions, just can perform various functional characteristics of the present utility model.Correspondingly, unless explicitly requested, scope of the present utility model is by the restriction of the specific hardware in the module clearly mentioned in embodiment and/or software feature.As non-limitative example, the utility model in an embodiment can by one or more processors (such as microprocessor, digital signal processor, BBP, microcontroller) executive software instruction (being such as stored in volatile memory and/or permanent memory).In addition, the utility model can also use special IC (ASIC) and/or other hardware elements to perform.It is pointed out that in the description above to various module, be divided into these modules, is for clarity.But in reality is implemented, the boundary of various module can be fuzzy.Such as, herein arbitrarily or all functions module can share various hardware and/or software element.Again such as, any and/or all functions module herein can carry out all or part of enforcement by the processor executive software instruction had.In addition, the various software submodules performed by one or more processor can be shared between various software module.Correspondingly, unless explicitly requested, scope of the present utility model is not by the restriction of mandatory boundary between various hardware and/or software element.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly the interest field of the utility model can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the utility model claim is done, still belong to the scope that utility model contains.
Claims (10)
1. one kind controls the electronic cigarette of atomization power automatically, comprise the power module for powering for electronic cigarette, smoking trigger module, main controller (1), atomizer heating wire (2), the oil-deflecting element (3) contacted with described atomizer heating wire (2), it is characterized in that, also comprise power conditioning module (6) and the photodetection assembly for detecting described oil-deflecting element (3) light transmittance, described photodetection assembly is used for determining by detecting described oil-deflecting element (3) light transmittance the tobacco tar amount that described oil-deflecting element (3) absorbs;
Described photodetection assembly comprises light emitting module (4) for irradiating described oil-deflecting element (3) and at least one light detection module (5); Wherein,
Described main controller (1) connects smoking trigger module, light emitting module (4), at least one light detection module (5) and power conditioning module (6) respectively; Described power conditioning module (6) connects described atomizer heating wire (2);
Described smoking trigger module is for responding to smoking signal and described smoking signal being sent to described main controller (1);
Described main controller (1) is luminous for controlling described light emitting module (2) according to described smoking signal, at least one light detection module (5) described is for being received in the reverberation reflected from described oil-deflecting element (3) under described light emitting module (4) irradiates or the transmitted light transmitted, and export the signal of telecommunication to described main controller (1) according to received intensity of reflected light or transmitted intensity, thus described main controller (1) is according to the electrical signal intensity transmitting power control signal of input extremely described power conditioning module (6);
Described power conditioning module (6) is for regulating the atomization power of described atomizer resistance wire (2) according to described power control signal.
2. the electronic cigarette of automatic control atomization power according to claim 1, it is characterized in that, at least one light detection module (5) described comprises the reverberation for receiving described oil-deflecting element (3) and exports the first smooth detection module (51) of first signal of telecommunication and export the second smooth detection module (52) of second signal of telecommunication for the transmitted light that receives described oil-deflecting element (3).
3. the electronic cigarette of automatic control atomization power according to claim 2, it is characterized in that, described first smooth detection module (51) and described second smooth detection module (52) respectively comprise a photo resistance or light sensor, export the signal of telecommunication for receiving optical signals is also corresponding.
4. the electronic cigarette of automatic control atomization power according to claim 3, it is characterized in that, described first smooth detection module (51) also comprises the first divider resistance, connect with corresponding described photo resistance or light sensor in described first divider resistance one end, the other end of described first divider resistance is used for external power supply positive pole, the other end ground connection of described photo resistance or light sensor, described second signal of telecommunication is the dividing potential drop on described photo resistance or light sensor.
5. the electronic cigarette of automatic control atomization power according to claim 3, it is characterized in that, described second smooth detection module (52) also comprises the second divider resistance, connect with corresponding described photo resistance or light sensor in described second divider resistance one end, the other end of described second divider resistance is used for external power supply positive pole, the other end ground connection of described photo resistance or light sensor, described second signal of telecommunication is the dividing potential drop on described photo resistance or light sensor.
6. the electronic cigarette of automatic control atomization power according to claim 1, it is characterized in that, described light emitting module (4) is light emitting diode.
7. the electronic cigarette of automatic control atomization power according to claim 1, it is characterized in that, described power conditioning module (6) comprises a switching tube, described main controller (1) is connected to the control pole of described switching tube, described main controller (1) is for exporting described power control signal to described control pole, the dutycycle of described power control signal changes along with the change of the described signal of telecommunication, described switching tube is used for the ON time of atomizer heating wire according to the duty cycle adjustment of described power control signal, and then regulate the power of described atomizer heating wire.
8. the electronic cigarette of automatic control atomization power according to claim 7, it is characterized in that, described main controller (1) comprises threshold value comparison module (11) and control module (12) further;
Described threshold value comparison module (11) is for comparing the described signal of telecommunication and threshold value; When the described signal of telecommunication is greater than default first threshold, described control module (12) exports the first dutycycle power control signal to described power conditioning module (6); When the described signal of telecommunication is greater than default Second Threshold and is less than described first threshold, described control module (12) exports the second dutycycle power control signal to described power conditioning module (6); When the described signal of telecommunication is greater than the 3rd default threshold value and is less than described Second Threshold, described control module (12) exports the 3rd dutycycle power control signal to described power conditioning module (6); Otherwise described control module (12) exports the 4th dutycycle power control signal to described power conditioning module (6).
9. the electronic cigarette of automatic control atomization power according to claim 1, it is characterized in that, described smoking trigger module comprises airflow sensor device and/or button trigger element.
10. the electronic cigarette of automatic control atomization power according to claim 1, it is characterized in that, described power module comprises battery and voltage conversion unit further; The electronic cigarette of described automatic control atomization power also comprises oil mass reminding module (7); Wherein,
Described voltage conversion unit is used for the voltage of described battery to change, and the voltage of output is supplied to described light emitting module (4) and at least one light detection module (5) described;
Described oil mass reminding module (7) is for the control signal prompting oil mass according to described main controller (1).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520033710.4U CN204540815U (en) | 2015-01-16 | 2015-01-16 | A kind of electronic cigarette of automatic control atomization power |
| PCT/CN2015/070907 WO2016112541A1 (en) | 2015-01-16 | 2015-09-29 | Electronic cigarette for automatically controlling atomising power and method for same |
| CN201580072945.7A CN107529820A (en) | 2015-01-16 | 2015-09-29 | A kind of electronic cigarette and method for automatically controlling atomization power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520033710.4U CN204540815U (en) | 2015-01-16 | 2015-01-16 | A kind of electronic cigarette of automatic control atomization power |
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| CN201580072945.7A Pending CN107529820A (en) | 2015-01-16 | 2015-09-29 | A kind of electronic cigarette and method for automatically controlling atomization power |
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| CN201580072945.7A Pending CN107529820A (en) | 2015-01-16 | 2015-09-29 | A kind of electronic cigarette and method for automatically controlling atomization power |
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| CN110856556B (en) * | 2018-08-06 | 2022-04-05 | 常州市派腾电子技术服务有限公司 | Control circuit, electronic cigarette and control method of electronic cigarette |
| CN108835718A (en) * | 2018-08-18 | 2018-11-20 | 深圳市合元科技有限公司 | A kind of electronic cigarette Poewr control method and electronic cigarette |
| CN108835718B (en) * | 2018-08-18 | 2020-11-03 | 深圳市合元科技有限公司 | Electronic cigarette power control method and electronic cigarette |
| CN110547511A (en) * | 2019-08-01 | 2019-12-10 | 深圳葭南科技有限公司 | Electronic cigarette control method for better restoring tobacco tar taste and electronic cigarette |
| CN111631432A (en) * | 2019-10-08 | 2020-09-08 | 高煜翔 | Cigarette bullet and electron cigarette with magnetism changes response function |
| CN111358057A (en) * | 2020-04-10 | 2020-07-03 | 奥斯特原点(深圳)科技有限公司 | Anti-counterfeiting device, anti-counterfeiting method and anti-counterfeiting structure of electronic cigarette |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016112541A1 (en) | 2016-07-21 |
| CN107529820A (en) | 2018-01-02 |
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