CN104839896A - Automatic temperature-control electronic cigarette with titanium wire - Google Patents
Automatic temperature-control electronic cigarette with titanium wire Download PDFInfo
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- CN104839896A CN104839896A CN201510302607.XA CN201510302607A CN104839896A CN 104839896 A CN104839896 A CN 104839896A CN 201510302607 A CN201510302607 A CN 201510302607A CN 104839896 A CN104839896 A CN 104839896A
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- temperature
- electronic cigarette
- circuit
- silk
- chip microcomputer
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- A24F47/008—
Abstract
The invention provides an automatic temperature-control electronic cigarette with a titanium wire. The automatic temperature-control electronic cigarette with the titanium wire is characterized by comprising an atomizing wire, a sampling circuit, a singlechip and a power adjusting circuit, wherein the resistance value of the atomizing wire is changed positively along with a temperature value; the atomizing wire is the titanium wire; the sampling circuit is serially connected with the atomizing wire; the singlechip is connected with an outputting end of the sampling circuit and can process analog signals outputted by the sampling circuit; the power adjusting circuit is connected with the singlechip and is controlled by the singlechip; and an outputting end of the power adjusting circuit is connected with the sampling circuit. The resistance temperature coefficient of the atomizing wire is large, when the temperature of the atomizing wire is changed, real-time current values at two ends of the atomizing wire can be acquired accurately, are converted, acquired, amplified and processed and then are converted into real-time temperature values, power on the atomizing wire is controlled and adjusted by the singlechip through a comparison result of the real-time temperature values and a preset temperature value, the temperature of the atomizing wire is adjusted, and after the temperature of the atomizing wire reaches the preset temperature, heat preservation on the atomizing wire can be carried out. The automatic temperature-control electronic cigarette has an automatic detection function, an automatic temperature control function and a function of keeping constant temperature.
Description
Technical field
The present invention relates to a kind of smoking cessation instrument, be specifically related to a kind of temperature automatically controlled titanium silk electronic cigarette.
Background technology
Electronic cigarette has another name called electronic cigarette, is mainly used in smoking cessation and cigarette substitute, and it has the outward appearance the same with cigarette, the taste approximate with cigarette, even will have more a lot than the taste of general cigarette, and also as cigarette, energy sucking-off cigarette, sucking-off taste come with sensation.Its operation principle is that atomization silk obtains electrical heating, be that heat energy is to heat tobacco tar by electric energy conversion, tobacco tar be heated to uniform temperature will volatilize atomization produce smog arch smoker suction, existing electronic cigarette is not owing to having temperature automatically controlled function, accurately can not control the heating-up temperature being atomized silk, too high atomization temperature (more than 400 DEG C) can make tobacco tar generation chemical reaction, produces harmful material, and infringement user's is healthy; Meanwhile, different tobacco tar temperature has different mouthfeels, owing to not possessing temperature automatically controlled function, existing electronic cigarette is hindered developing in different crowd demand.
Summary of the invention
In order to solve the deficiency in background technology, the object of the invention is to the defect overcoming background technology, a kind of temperature automatically controlled titanium silk electronic cigarette is provided, the heating-up temperature of automatic control atomization silk, constant temperature is kept when reaching preset temperature, to the experience of user's personalization, reduce the injury to user's health to a certain extent simultaneously.
For achieving the above object, the technical solution used in the present invention is: a kind of temperature automatically controlled titanium silk electronic cigarette, is characterized in that: comprise
The atomization silk R that resistance value is just changing with temperature value, described atomization silk is titanium silk;
The sample circuit of connecting with described atomization silk;
The single-chip microcomputer that the analog signal that be connected with described sample circuit output, can export described sample circuit processes;
Be connected with described single-chip microcomputer, by described monolithic processor controlled power adjusting circuit, the output of described power adjusting circuit connects sample circuit.
In a preferred embodiment of the present invention, comprise further its also comprise be connected with described single-chip microcomputer, by described monolithic processor controlled thermal circuit.
In a preferred embodiment of the present invention, comprise the voltage acquisition signal pins that described atomization silk is also connected to described single-chip microcomputer further.
In a preferred embodiment of the present invention, comprise described single-chip microcomputer further and comprise voltage acquisition module, voltage transformation module, resistance modular converter, dutycycle output control module, and memory, store preset temperature value in described memory,
Described voltage acquisition module, for directly gathering the magnitude of voltage at described atomization silk two ends;
Described voltage transformation module, converts resistance value to for the magnitude of voltage exported by described sample circuit;
Described resistance modular converter, converts temperature value to for the resistance value exported by described voltage transformation module;
Described dutycycle output control module, the temperature value exported according to described resistance modular converter and described preset temperature value compare, and control the power stage of described power adjusting circuit using comparative result as foundation.
In a preferred embodiment of the present invention, comprise further be connected with described power adjusting circuit be provided with power circuit.
In a preferred embodiment of the present invention, comprise further be connected with described single-chip microcomputer be provided with display screen as input and output and button.
In a preferred embodiment of the present invention, comprise described sample circuit further and comprise a voltage sample resistance R3, difference amplifier U, described voltage sample resistance R3 is connected between described power adjusting circuit output and atomization silk, one end that described voltage sample resistance R3 is connected with described atomization silk is also connected to the negative-phase input of described difference amplifier by a differential resistor R2, the other end of described voltage sample resistance is connected to the normal phase input end of described difference amplifier by a differential resistor R1, the output of described difference amplifier connects single-chip microcomputer.
In a preferred embodiment of the present invention, comprise described power adjusting circuit further and comprise an energy-storage travelling wave tube and two NMOS tube, be respectively the first NMOS tube Q1, the second NMOS tube Q2, the grid of two NMOS tube is connected to the dutycycle output control module of described single-chip microcomputer respectively, the drain electrode of the first NMOS tube Q1 is connected to power circuit, the source electrode of the first NMOS tube Q1 is connected energy-storage travelling wave tube with after the sources connected in parallel of the second NMOS tube Q2, the other end ground connection of described energy-storage travelling wave tube, the drain electrode of the second NMOS tube Q2 is connected to sampling resistor R3.
In a preferred embodiment of the present invention, comprising described energy-storage travelling wave tube is further power inductance.
Usefulness of the present invention is: one of the present invention temperature automatically controlled titanium silk electronic cigarette, adopt the large titanium silk of temperature coefficient of resistivity as atomization silk, when the temperature being atomized silk changes, the real-time current value at atomization silk two ends can be collected more accurately, this real-time current value is converted to real-time temperature values after conversion, collection, amplification, process, single-chip microcomputer controls to adjust by the result after comparing real-time temperature values and preset temperature value the power being carried in and being atomized on silk, and then adjust the temperature of atomization silk, be incubated after reaching preset temperature.Electronic cigarette of the present invention has the function of automatic detection, temperature automatically controlled, constant temperature, can give the experience of user's personalization, reduce the generation of harmful substance to a certain extent, have the good prospect of marketing after using.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structured flowchart of the preferred embodiment of the present invention;
The circuit diagram of power adjusting circuit of the present invention during Fig. 2.
In figure: 10, sample circuit, 20, single-chip microcomputer, 30, power adjusting circuit, 30a, energy-storage travelling wave tube, 40, thermal circuit, 50, power circuit, 60, display screen, 70, button;
20a, voltage acquisition module, 20b, voltage transformation module, 20c, resistance modular converter, 20d, dutycycle output control module, 20e, memory.
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, and enable above-mentioned purpose of the present invention, feature and advantage become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the present invention is further detailed explanation.
As shown in Figure 1, the invention provides a kind of temperature automatically controlled titanium silk electronic cigarette, comprise atomization silk R, the sample circuit 10 of connecting with atomization silk R, the single-chip microcomputer 20 be connected with sample circuit 10 output, that be connected with single-chip microcomputer 20 and controlled power adjusting circuit 30 and the thermal circuit 40 of work by single-chip microcomputer 20, the power circuit 50 be connected with power adjusting circuit 30, the display screen 60 as input and output be connected with single-chip microcomputer 20 and button 70, the output of power adjusting circuit 30 connects sample circuit 10, atomization silk R is also connected to the voltage acquisition signal pins of single-chip microcomputer 20, the voltage acquisition signal pins Real-time Collection of single-chip microcomputer 20 is added in the magnitude of voltage U carrying atomization silk R two ends
r.
Single-chip microcomputer 20 controls the work of power adjusting circuit 30, thermal circuit 50 using display screen 30, button 70 as input and output, the internal structure of single-chip microcomputer 20 is as follows: described single-chip microcomputer 20 comprises voltage acquisition module 20a, voltage transformation module 20b, resistance modular converter 20c, dutycycle output control module 20d, and memory 20e, inputted in memory 20e by button 70 and store preset temperature value T
0,
Wherein, described voltage acquisition module 20a, using voltage acquisition signal pins as input, directly gathers the magnitude of voltage U at described atomization silk R two ends
r;
Described voltage transformation module 20b, magnitude of voltage for being exported by described sample circuit 10 converts resistance value to, concrete, state sample circuit 10 and comprise a voltage sample resistance R3, difference amplifier U, described voltage sample resistance R3 is connected between described power adjusting circuit 30 output and atomization silk R, one end that described voltage sample resistance R3 is connected with described atomization silk R is also connected to negative (-) phase input of described difference amplifier U by a differential resistor R2, the other end of described voltage sample resistance R3 is connected to just (+) phase input of described difference amplifier U by a differential resistor R1, the output (Out) of described difference amplifier U connects single-chip microcomputer 20,
Atomization silk R is immersed in tobacco tar, power circuit 10 powers to atomization silk R, atomization silk R obtains electric rear heating, electric energy conversion is become energy heats tobacco tar, the resistance value of atomization silk R in heating process on it constantly changes, voltage sample resistance R3 connects with atomization silk R, and voltage sample resistance R3 gathers the current value I be carried on atomization silk R
r, R3*I
rafter amplifying, export to single-chip microcomputer 20, single-chip microcomputer 20 passes through U
r/ I
rconverse the resistance value R on atomization silk R
r.
Described resistance modular converter 20c, for the resistance value R exported by described voltage transformation module
rconvert temperature value T to
r;
Described dutycycle output control module 20e, according to the temperature value T that described resistance modular converter exports
rwith described preset temperature value T
0compare, control the power stage of described power adjusting circuit 30 using comparative result as foundation.
Concrete, as shown in Figure 2, described power adjusting circuit 30 comprises energy-storage travelling wave tube 30a and two NMOS tube, be respectively the first NMOS tube Q1, the second NMOS tube Q2, the grid S of two NMOS tube is connected to the dutycycle output control module 20e of described single-chip microcomputer 20 respectively, the drain D of the first NMOS tube Q1 is connected to power circuit 50, the source S of the first NMOS tube Q1 is connected described energy-storage travelling wave tube 30a with after the source S parallel connection of the second NMOS tube Q2, the other end ground connection of described energy-storage travelling wave tube 30a, the drain D of the second NMOS tube Q2 is connected to described voltage sample resistance R3.
Based on the structure of above-mentioned power adjusting circuit 30, the course of work of two NMOS tube is as follows, when first NMOS tube Q1 conducting under the control of single-chip microcomputer 20, the second NMOS tube Q2 cut-off, power circuit 50 is charged to energy-storage travelling wave tube 30a by the first NMOS tube Q1, under the control of single-chip microcomputer 20 when the first NMOS tube Q1 cut-off, the second NMOS tube Q2 cut-off, energy-storage travelling wave tube 30a discharges and provides power supply to atomization silk R.Single-chip microcomputer 20 regulates the ON time of two NMOS tube to carry out regulation output to the performance number on atomization silk R by regulating the size of dutycycle, this performance number is larger, the electric current be carried on atomization silk R is larger, and the heat of generation is more, and the temperature of heating tobacco tar is higher; Otherwise temperature is lower.
As the temperature value T that resistance modular converter exports
r< preset temperature value T
0during value, dutycycle output control module 20e controls conducting state and the ON time of two NMOS tube, improves the electric current be carried on atomization silk R; Otherwise, as the temperature value T that resistance modular converter exports
r> preset temperature value T
0during value, dutycycle output control module 20e controls conducting state and the ON time of two NMOS tube, reduces the electric current be carried on atomization silk R; As the temperature value T that resistance modular converter exports
r=preset temperature value T
0during value, single-chip microcomputer 20 controls to start thermal circuit 40 and is incubated.
The present invention preferably adopts and is atomized the titanium silk that silk R is positive temperature coefficient, the temperature-coefficient of electrical resistance at=4.1(*10 of titanium
-3/ DEG C (0-100 DEG C)), the temperature-coefficient of electrical resistance of titanium silk atomization silk R is large, and namely on it, temperature variant resistance change is large, and it is sensitiveer, more accurate to gather.
Based on the foregoing circuit structure of electronic cigarette, electronic cigarette of the present invention can realize temperature automatically controlled, the principle of automatic constant-temperature is as follows: smoker sets the temperature of atomization silk R in advance by button 70 according to the taste demand of oneself, when being atomized variations in temperature and this desired temperature of silk R, sample circuit 10 gathers this changing value, the Current Temperatures that this changing value analysis is converted to atomization silk R by one side single-chip microcomputer 20 shows on the display screen 60, on the other hand, single-chip microcomputer 20 controls power adjusting circuit 30 according to this changing value and adjusts output duty cycle size, adjust conducting state and the ON time of two NMOS tube, and then adjustment is carried in the current value on atomization silk R, thus the temperature of adjustment atomization silk R is to setting value, when the temperature value being atomized silk R reaches preset value, single-chip microcomputer 20 controls to start thermal circuit 40, the temperature of atomization silk R is made to remain on preset temperature value constant, realize the temperature automatically controlled of electronic cigarette of the present invention, the function of automatic constant-temperature.
As a further improvement on the present invention, described energy-storage travelling wave tube 30a is power inductance L, and the voltage of power inductance L can not suddenly change and make to output to the voltage stabilization on atomization silk R, better effects if.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not limited by the examples; the change done under other any does not deviate from Spirit Essence of the present invention and principle, modification, substitute, combine, simplify the substitute mode that all should be equivalence, be included within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (9)
1. a temperature automatically controlled titanium silk electronic cigarette, is characterized in that: comprise
The atomization silk (R) that resistance value is just changing with temperature value, described atomization silk is titanium silk;
The sample circuit of connecting with described atomization silk;
The single-chip microcomputer that the analog signal that be connected with described sample circuit output, can export described sample circuit processes;
Be connected with described single-chip microcomputer, by described monolithic processor controlled power adjusting circuit, the output of described power adjusting circuit connects sample circuit.
2. one according to claim 1 temperature automatically controlled titanium silk electronic cigarette, is characterized in that: its also comprise be connected with described single-chip microcomputer, by described monolithic processor controlled thermal circuit.
3. one according to claim 2 temperature automatically controlled titanium silk electronic cigarette, is characterized in that: described atomization silk is also connected to the voltage acquisition signal pins of described single-chip microcomputer.
4. one according to claim 2 temperature automatically controlled titanium silk electronic cigarette, it is characterized in that: described single-chip microcomputer comprises voltage acquisition module, voltage transformation module, resistance modular converter, dutycycle output control module, and memory, store preset temperature value in described memory
Described voltage acquisition module, for directly gathering the magnitude of voltage at described atomization silk two ends;
Described voltage transformation module, converts resistance value to for the magnitude of voltage exported by described sample circuit;
Described resistance modular converter, converts temperature value to for the resistance value exported by described voltage transformation module;
Described dutycycle output control module, the temperature value exported according to described resistance modular converter and described preset temperature value compare, and control the power stage of described power adjusting circuit using comparative result as foundation.
5. one according to claim 2 temperature automatically controlled titanium silk electronic cigarette, is characterized in that: what be connected with described power adjusting circuit is provided with power circuit.
6. one according to claim 2 temperature automatically controlled titanium silk electronic cigarette, is characterized in that: what be connected with described single-chip microcomputer is provided with display screen as input and output and button.
7. one according to claim 1 temperature automatically controlled titanium silk electronic cigarette, it is characterized in that: described sample circuit comprises a voltage sample resistance (R3), difference amplifier (U), described voltage sample resistance (R3) is connected between described power adjusting circuit output and atomization silk, one end that described voltage sample resistance (R3) is connected with described atomization silk is also connected to the negative-phase input of described difference amplifier by a differential resistor (R2), the other end of described voltage sample resistance is connected to the normal phase input end of described difference amplifier by a differential resistor (R1), the output of described difference amplifier connects single-chip microcomputer.
8. one according to claim 7 temperature automatically controlled titanium silk electronic cigarette, it is characterized in that: described power adjusting circuit comprises an energy-storage travelling wave tube and two NMOS tube, be respectively the first NMOS tube (Q1), second NMOS tube (Q2), the grid of two NMOS tube is connected to the dutycycle output control module of described single-chip microcomputer respectively, the drain electrode of the first NMOS tube (Q1) is connected to power circuit, the source electrode of the first NMOS tube (Q1) is connected described energy-storage travelling wave tube with after the sources connected in parallel of the second NMOS tube (Q2), the other end ground connection of described energy-storage travelling wave tube, the drain electrode of the second NMOS tube (Q2) is connected to described voltage sample resistance (R3).
9. one according to claim 8 temperature automatically controlled titanium silk electronic cigarette, is characterized in that: described energy-storage travelling wave tube is power inductance.
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| CN201510302607.XA CN104839896A (en) | 2015-06-05 | 2015-06-05 | Automatic temperature-control electronic cigarette with titanium wire |
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|---|---|---|---|
| CN201510302607.XA CN104839896A (en) | 2015-06-05 | 2015-06-05 | Automatic temperature-control electronic cigarette with titanium wire |
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| WO2019228389A1 (en) * | 2018-06-01 | 2019-12-05 | 常州市派腾电子技术服务有限公司 | Electronic cigarette control method and device |
| CN110638096B (en) * | 2018-06-27 | 2022-06-28 | 常州市派腾电子技术服务有限公司 | Control method and device of electronic cigarette |
| CN110638096A (en) * | 2018-06-27 | 2020-01-03 | 常州市派腾电子技术服务有限公司 | Control method and device of electronic cigarette |
| CN108968158A (en) * | 2018-08-28 | 2018-12-11 | 深圳市海派特光伏科技有限公司 | Electronic cigarette interaction control method, system, electronic cigarette and storage medium |
| CN109156898A (en) * | 2018-09-11 | 2019-01-08 | 西安电子科技大学 | A kind of control circuit of electronic cigarette atomizing temperature |
| CN109793286A (en) * | 2019-03-01 | 2019-05-24 | 昆明理工大学 | It is a kind of to heat non-burning electronic cigarette constant temperature control circuit and method |
| CN110250580A (en) * | 2019-06-26 | 2019-09-20 | 西安拓尔微电子有限责任公司 | A kind of High Accuracy Constant Temperature electronic cigarette based on dual power supply |
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Application publication date: 20150819 |
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