CN110613168A - Organic cotton heating wire - Google Patents
Organic cotton heating wire Download PDFInfo
- Publication number
- CN110613168A CN110613168A CN201910904713.3A CN201910904713A CN110613168A CN 110613168 A CN110613168 A CN 110613168A CN 201910904713 A CN201910904713 A CN 201910904713A CN 110613168 A CN110613168 A CN 110613168A
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- Prior art keywords
- module
- heating wire
- voltage
- boosting
- control
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
Abstract
The invention relates to the field of electronic cigarettes, in particular to an organic cotton heating wire, which comprises organic cotton, a heating wire wound on the organic cotton, a battery and a control module, the control module comprises a first voltage boosting module, a voltage stabilizing module, a control IC, a first voltage detection module, a second voltage boosting module, a second voltage detection module, a load detection module, a fuse, a charging module and a display screen, the output end of the battery is electrically connected with a first boosting module, a voltage stabilizing module and a control IC input end, meanwhile, an output end of the boosting module is also connected with an input end of a voltage detection, the input end of the battery is also electrically connected with an output end of the charging module, the input end of the charging module is electrically connected with the output end of the control IC, and the output end of the control IC is electrically connected with the two input ends of the boosting module.
Description
Technical Field
The invention relates to the field of electronic cigarettes, in particular to an organic cotton heating wire.
Background
The electronic cigarette is formed by heating and atomizing tobacco tar through an atomizer by using microelectronic technology to generate smoke for smokers. With the rising interest of people in healthy smoking, people are aware of the harm of cigarettes to the health of people. Therefore, the electronic cigarette is gradually accepted and popularized by people.
At present, a common electronic cigarette mainly heats a cigarette or cigarette liquid by heating a heating wire in the electronic cigarette, and in the present electronic cigarette, because real-time monitoring and automatic adjustment are not carried out on the actual temperature of the heating wire, the cigarette or cigarette liquid is often easily burnt at an overhigh temperature, or the cigarette or cigarette liquid cannot be sufficiently burnt due to too low temperature to influence the use of a user, and meanwhile, the electronic cigarette is easily burnt due to the influence of the temperature, so that the service life of the electronic cigarette is shortened.
Aiming at the problems, the invention designs the organic cotton heating wire.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an organic cotton heating wire. The problem is solved as far as possible, and therefore the organic cotton heating wire capable of well monitoring the temperature of the heating wire in real time and automatically adjusting the temperature of the heating wire is provided.
The invention is realized by the following technical scheme:
an organic cotton heating wire comprises organic cotton, a heating wire wound on the organic cotton, a battery and a control module, the control module comprises a first voltage boosting module, a voltage stabilizing module, a control IC, a first voltage detection module, a second voltage boosting module, a second voltage detection module, a load detection module, a fuse, a charging module and a display screen, the output end of the battery is electrically connected with a first boosting module, a voltage stabilizing module and a control IC input end, meanwhile, an output end of the boosting module is also connected with an input end of a voltage detection, the input end of the battery is also electrically connected with an output end of the charging module, the input end of the charging module is electrically connected with the output end of the control IC, the output end of the control IC is electrically connected with the input end of the boosting module II, the input end of the control IC is electrically connected with the voltage detection module II and the load detection output end, the battery is also electrically connected with a display screen, and the input end of the heating wire is electrically connected with a fuse.
Preferably, the first voltage boosting module adopts a TPS61022 type voltage boosting chip, the first voltage boosting module is used for boosting the output voltage of the battery, and the voltage stabilizing module is used for stabilizing the voltage boosted by the first voltage boosting module.
Preferably, the control IC is electrically connected to the EFM8 chip.
Preferably, the second boosting module adopts a 34063API type boosting and reducing chip, the second boosting module comprises a boosting conversion circuit and a reducing conversion circuit, and the second boosting module is used for controlling the temperature of the heating wire.
Preferably, the battery is a CN3153 type lithium battery, and the charging module includes a charging circuit for charging the CN3153 lithium battery.
Preferably, the first voltage detection unit is further connected with a key S1, a switch tube is further disposed between the first voltage detection unit and the control IC, and a key S2 is further disposed between the switch tube and the battery.
Preferably, the display screen is used for displaying data of the first voltage detection, the second voltage detection and the load detection.
Preferably, the second voltage detection unit and the load detection unit are used for detecting the voltage and the resistance of the heating wire in real time, and the fuse is used for an input circuit of the heating wire.
Preferably, the heating wire is made of Ni80 nickel-chromium alloy.
The invention has the beneficial effects that: the voltage output by the battery can be well boosted and kept stable through the first boosting module and the voltage stabilizing module, the first set voltage can be used for detecting the output voltage of the battery in real time, the charging module can be well used for charging the battery, the display screen is used for displaying the first voltage detection, the second voltage detection and load detection data, and the second set boosting module can be well used for controlling the temperature of the heating wire through the voltage-up and voltage-down conversion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic view of the connection between the organic cotton and the heating wire according to the present invention;
FIG. 3 is a circuit diagram of a TPS61022 type booster chip of the invention;
FIG. 4 is a graph of TPS61022 output power as a function of PWM duty cycle of the present invention;
FIG. 5 is a graph of the efficiency of TPS61022 and the duty cycle of PWM of the present invention;
FIG. 6 is an internal block diagram of a 34063API type buck-boost chip of the present invention;
FIG. 7 is a 34063API boost conversion circuit diagram of the present invention;
FIG. 8 is a 34063API buck conversion circuit diagram of the present invention;
fig. 9 is a charging circuit diagram of CN3153 model lithium battery of the present invention.
In the figure: 1-organic cotton and 2-heating wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, an organic cotton heating wire includes an organic cotton 1 and a heating wire 2 wound on the organic cotton 1, and is characterized in that: still include battery and control module, control module contains step up module one, voltage stabilizing module, control IC, voltage detection one, step up module two, voltage detection two, load detection, the fuse, charging module and display screen, battery output electric connection has step up module one, voltage stabilizing module and control IC input, still be connected with voltage detection input simultaneously at step up module output, battery input still electric connection has the charging module output, charging module input electric connection control IC output, control IC output electric connection step up module two inputs, control IC input electric connection voltage detection two and load detection output, battery still electric connection has the display screen, heater input electric connection has the fuse.
Specifically, the first voltage boosting module adopts a TPS61022 type voltage boosting chip, the first voltage boosting module is used for boosting the output voltage of the battery, the voltage stabilizing module is used for stabilizing the boosted voltage of the first voltage boosting module, the control IC is electrically connected with an EFM8 chip, the second voltage boosting module adopts a 34063API type voltage boosting and reducing chip, the second voltage boosting module comprises a voltage boosting conversion circuit and a voltage reducing conversion circuit, the second voltage boosting module is used for controlling the temperature of the heating wire 2, the battery adopts a CN3153 type lithium battery, the charging module comprises a charging circuit for charging the CN3153 lithium battery, the first voltage detecting module is also connected with a key S1, a switch tube is also arranged between the first voltage detecting module and the control IC, a key S2 is also arranged between the switch tube and the battery, the display screen is used for displaying the data of the first voltage detecting module, the second voltage detecting module and the load detecting module, the second voltage detecting, the fuse is used for an input circuit of the heating wire, and the heating wire 2 is made of Ni80 nickel-chromium alloy.
In the present invention, according to FIGS. 1-2, since the output end of the battery is electrically connected with the first boosting module, the first voltage stabilizing module and the input end of the control IC, and the first voltage detecting input end is also connected to the output end of the boosting module, the input end of the battery is also electrically connected with the output end of the charging module, the input end of the charging module is electrically connected with the output end of the control IC, the output end of the control IC is electrically connected with the second input end of the boosting module, the input end of the control IC is electrically connected with the second voltage detecting input end and the second load detecting output end, the battery is also electrically connected with the display, the input end of the heating wire is electrically connected with the fuse, the voltage output by the battery can be boosted well and kept stable through the first boosting module and the first voltage stabilizing module, the display screen is used for showing voltage detection one, the data that voltage detection two and load detected, the module two that steps up that sets up can be fine changes the temperature of controlling the heater 2 through going up and down the pressure, because the heater adopts Ni80 nickel-chromium alloy material, the controllability is better, the protection heater 2 that the fuse that sets up simultaneously can be fine and organic cotton 1, avoid organic cotton 1 to burn, according to fig. 3 ~ 5, because TPS61022 is one and supports from the input of lithium cell, export 15W (5V/3A) a chip that steps up. It has a minimum valley value of 6.5A of switching current over the full temperature range. TPS61022 has smaller on resistance, the on resistance of the lower switch tube is 12m omega, and the on resistance of the upper switch tube is 18m omega. Therefore, the efficiency is relatively high, for example, the efficiency of the whole machine is about 95% in the case that Vin is 3.6V, Vout is 5V, and Iout is 2.5A. Meanwhile, the typical starting loading capacity of the TPS61022 is 1 Ω, so that it can support the cigarette holder resistance value starting of most electronic cigarettes. The working switching frequency of the TPS61022 is 1MHz, the packaging is 2mm x 2mm VQFN, so that a customer can obtain a smaller design area, and dynamic regulation of output power is realized by PWM modulation of an EN pin. By connecting the MODE pin to GND (low) so that the TPS61022 operates in a light load efficient MODE, higher efficiency can be achieved at light loads. According to the application manual of TPS61022, 1 muH inductance is selected, and 3 ceramic capacitors of 22 muF are used as output. The GPIO of the MCU can be connected with an EN pin, and the output power is adjusted by adjusting the duty ratio of the output PWM. The whole system has the advantages that the output power is stable and is not influenced by the change of the input voltage, and the TPS61022 can realize the purpose of regulating the output power by modulating an EN pin. When the EN pin is at a high level, the TPS61022 is first soft-started to start working; when the EN pin is low, TPS61022 is turned off. The purpose of controlling the average output power is realized by continuously opening and closing the TPS 61022; according to fig. 6 to 8, the power switch with a large current is built in, 34063 can control the switching current to 1.5A, the internal circuit comprises a reference voltage, an oscillator, a logic control circuit and a switching transistor, the reference voltage source is a temperature compensated bandgap reference source, the oscillation frequency of the oscillator is determined by a 3-pin external timing capacitor, the switching transistor is turned ON by the logic control circuit connected with the inverting input terminal of the comparator and the oscillator, the oscillator outputs the next synchronous pulse and is turned OFF, the oscillator charges and discharges the timing capacitor connected to the CT pin through the constant current source to generate an oscillation waveform, the charging and discharging currents are constant, so the oscillation frequency depends only ON the capacity of the non-timing capacitor, the C input terminal of the and gate is at a high level when the oscillator is externally charged, the D input terminal is at a high level when the input level of the comparator is lower than a threshold level, when the input ends of the C and the D are changed into high level, the trigger is set to be high level, and the output switch tube is conducted. On the contrary, when the oscillator is in a discharging period, the C input terminal is at a low level, the trigger is reset, so that the output switch tube is in a closed state, the current limit SI detection terminal completes the function by detecting the voltage drop across the resistor connected between the V + and 5 pins, when the voltage drop across the resistor is detected to be close to over 300mV, the current limit circuit starts to operate, and at this time, the timing capacitor is rapidly charged through the CT pin to reduce the charging time and the on-time of the output switch, so that the off-time of the output switch is prolonged, and according to fig. 9, the charging current can be detected by measuring the voltage of the ISET pin.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an organic cotton heater, includes organic cotton (1) and winding heater (2) on organic cotton (1), its characterized in that: still include battery and control module, control module contains boost module one, voltage stabilizing module, control IC, voltage detection one, boost module two, voltage detection two, load detection, fuse, the module of charging and display screen, battery output electric connection has boost module one, voltage stabilizing module and control IC input, still is connected with voltage detection input simultaneously at boost module output, battery input still electric connection has the module output that charges, the module input electric connection control IC output that charges, control IC output electric connection boost module two inputs control IC input electric connection voltage detection two and load detection output, battery still electric connection has the display screen, heater input electric connection has the fuse.
2. The organic cotton heating wire according to claim 1, wherein: the first boosting module adopts a TPS61022 type boosting chip, the first boosting module is used for boosting the output voltage of the battery, and the voltage stabilizing module is used for stabilizing the boosted voltage of the first boosting module.
3. The organic cotton heating wire according to claim 1, wherein: the control IC is electrically connected with the EFM8 chip.
4. The organic cotton heating wire according to claim 1, wherein: the second boosting module adopts a 34063API type boosting and reducing chip, the second boosting module comprises a boosting conversion circuit and a reducing conversion circuit, and the second boosting module is used for controlling the temperature of the heating wire (2).
5. The organic cotton heating wire according to claim 1, wherein: the battery adopts a lithium battery with the model of CN3153, and the charging module comprises a charging circuit for charging the CN3153 lithium battery.
6. The organic cotton heating wire according to claim 1, wherein: the first voltage detection unit is further connected with a key S1, a switch tube is further arranged between the first voltage detection unit and the control IC, and a key S2 is further arranged between the switch tube and the battery.
7. The organic cotton heating wire according to claim 1, wherein: the display screen is used for displaying data of the first voltage detection, the second voltage detection and the load detection.
8. The organic cotton heating wire according to claim 1, wherein: and the voltage detection II and the load detection are used for detecting the voltage and the resistance of the heating wire (2) in real time, and the fuse is used for an input circuit of the heating wire.
9. The organic cotton heating wire according to claim 1, wherein: the heating wire (2) is made of Ni80 nickel-chromium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904713.3A CN110613168A (en) | 2019-09-24 | 2019-09-24 | Organic cotton heating wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904713.3A CN110613168A (en) | 2019-09-24 | 2019-09-24 | Organic cotton heating wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110613168A true CN110613168A (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910904713.3A Pending CN110613168A (en) | 2019-09-24 | 2019-09-24 | Organic cotton heating wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110613168A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940313A (en) * | 2012-11-13 | 2013-02-27 | 卓尔悦（常州）电子科技有限公司 | Intelligent controller and intelligent control method for electronic cigarette |
| CN203070141U (en) * | 2012-11-13 | 2013-07-17 | 卓尔悦（常州）电子科技有限公司 | Output voltage regulating device of electronic cigarette controller and electronic cigarette |
| CN203326671U (en) * | 2013-07-10 | 2013-12-04 | 向智勇 | Control circuit for electronic cigarette case |
| CN204667224U (en) * | 2015-06-15 | 2015-09-23 | 彭玉刚 | A kind of electronic cigarette Auto-matching temperature control circuit |
| CN204742632U (en) * | 2015-04-30 | 2015-11-11 | 深圳市艾维普思科技股份有限公司 | Electronic cigarette |
| CN107467718A (en) * | 2017-08-15 | 2017-12-15 | 惠州市新泓威科技有限公司 | The electro-heat equipment and its control method of electronic smoking set |
| CN207251178U (en) * | 2017-08-15 | 2018-04-17 | 惠州市新泓威科技有限公司 | A kind of anti-dry burning device of electronic cigarette |
-
2019
- 2019-09-24 CN CN201910904713.3A patent/CN110613168A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940313A (en) * | 2012-11-13 | 2013-02-27 | 卓尔悦（常州）电子科技有限公司 | Intelligent controller and intelligent control method for electronic cigarette |
| CN203070141U (en) * | 2012-11-13 | 2013-07-17 | 卓尔悦（常州）电子科技有限公司 | Output voltage regulating device of electronic cigarette controller and electronic cigarette |
| CN203326671U (en) * | 2013-07-10 | 2013-12-04 | 向智勇 | Control circuit for electronic cigarette case |
| CN204742632U (en) * | 2015-04-30 | 2015-11-11 | 深圳市艾维普思科技股份有限公司 | Electronic cigarette |
| CN204667224U (en) * | 2015-06-15 | 2015-09-23 | 彭玉刚 | A kind of electronic cigarette Auto-matching temperature control circuit |
| CN107467718A (en) * | 2017-08-15 | 2017-12-15 | 惠州市新泓威科技有限公司 | The electro-heat equipment and its control method of electronic smoking set |
| CN207251178U (en) * | 2017-08-15 | 2018-04-17 | 惠州市新泓威科技有限公司 | A kind of anti-dry burning device of electronic cigarette |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191227 |