CN207561379U - Electronic cigarette - Google Patents
Electronic cigarette Download PDFInfo
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- CN207561379U CN207561379U CN201721253870.5U CN201721253870U CN207561379U CN 207561379 U CN207561379 U CN 207561379U CN 201721253870 U CN201721253870 U CN 201721253870U CN 207561379 U CN207561379 U CN 207561379U
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- circuit
- main control
- control unit
- voltage
- lithium battery
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Abstract
The utility model discloses a kind of electronic cigarettes; whole lithium battery provides energy source; reverse-connection preventing circuit can protect short-circuit conditions caused by maloperation, and the signal feedback for step-up/step-down circuit being controlled to export height dynamic electric voltage by main control unit circuit while being acquired according to current collection circuit reaches atomiser unit firm power and heats.In addition it is adjusting while is providing switching voltage for MOSFET driving circuits by DC DC boostings 12V.The utility model has the advantages that it can support wide range output power adjustment, and constant power output；It supports quick charge, has and overcharge protection, overcurrent protection, overheat protector；And has more perfect cell anti-reverse connection function；A variety of different internal resistance electronic smoke atomizer devices can be adapted to；Also, with ultralow stand-by power consumption, extend battery.
Description
Technical field
The utility model is related to electronic fields, and in particular to electronic cigarette technical field.
Background technology
In recent years, with the continuous enhancing of health perception, the application of electronic cigarette is more and more extensive.
Electronic cigarette is a kind of electronic product for simulating true cigarette, and the tobacco tar manually matched is used high-power mode of heating
It is atomized and reaches true cigarette effect, meet consumer demand.
Electronic cigarette can reduce nicotine, tar equal size in tobacco tar, can not only substitute conventional smoke completely, realize health
Smoking can more allow smoker to realize complete smoking cessation under the control of scientific procedure, complete from the process relied on to withdrawal.
But current electronic cigarette cannot still meet the requirement of user.For example, the adjustment of output power is restricted, output
Power is not constant enough, and charging is slower, lacks perfect cell anti-reverse connection function, and stand-by power consumption is higher, and battery is shorter,
Etc..
In conclusion there is an urgent need in the art to a kind of more perfect electronic cigarette of performance, wide range output work(can be supported
Rate adjusts, and constant power output；It supports quick charge, has and overcharge protection, overcurrent protection, overheat protector；And have more
Add kind cell anti-reverse connection function；A variety of different internal resistance electronic smoke atomizer devices can be adapted to；Also, it is treated with ultralow
Machine power consumption extends battery.
Invention content
The purpose of this utility model is just to provide a kind of electronic cigarette, can support wide range output power adjustment, and permanent
Power output；It supports quick charge, has and overcharge protection, overcurrent protection, overheat protector；And have more perfect battery to prevent
Reversal connection function；A variety of different internal resistance electronic smoke atomizer devices can be adapted to；Also, with ultralow stand-by power consumption, extend electricity
Pond service life.
In the first aspect of the utility model, a kind of electronic cigarette is provided, comprising：Sequentially connected main control unit electricity
Road, MOSFET driving circuits, lifting/lowering circuit module, atomiser unit, current collection circuit, wherein,
Main control unit circuit controls for adjusting power and startup and closing atomiser unit according to feedback signal
Lifting/voltage reducing circuit module；
MOSFET driving circuits are used to drive the open and close of MOSFET；
Lifting/lowering circuit module is output to the voltage of atomiser unit for controlling；
The electronic cigarette that atomiser unit is atomized for generation；
Current collection circuit is for electric current of the acquisition from atomiser unit and is output to main control unit circuit.
Preferably, it also includes：Sequentially connected battery charging module and reverse-connection preventing circuit, lithium battery, 12V DC-DC boostings
Circuit, battery charging module and reverse-connection preventing circuit are also connected to main control unit circuit, and lithium battery is also connected to main control unit circuit,
12V DC-DC booster circuits are also connected to MOSFET driving circuits, wherein,
Battery charging module and reverse-connection preventing circuit are used to that lithium battery to be charged and be protected；
Lithium battery is used to power to 12V DC-DC and booster circuit and main control unit circuit；
12V DC-DC booster circuits are used to the low voltage transition of lithium battery output terminal it is straight to export 12V into 12V voltage sources
Galvanic electricity pressure.
Preferably, battery charging module and reverse-connection preventing circuit include：USB interface, divider resistance, Schottky diode, LED
Indicator light, filter capacitor, lithium battery charging chip, current-limiting resistance, anti-reverse MOSFET and battery interface.
Preferably, 12V DC-DC booster circuits include：Contactor MOSFET, driving triode, divider resistance, boosting
Integrated circuit, boost inductance, Schottky diode and filter capacitor.
Preferably, lifting/voltage reducing circuit includes：Drive IC, Schottky diode, boostrap circuit capacitance, current-limiting resistance, filtering
Capacitance, buck H bridges MOSFET, lifting voltage inductance, atomizer interface, power resistor, divider resistance.
Preferably, current collection circuit includes：Amplifier integrated circuit, divider resistance and filter capacitor.
Preferably, main control unit circuit includes：Filter capacitor, button, pull-up resistor, communication interface, current-limiting resistance, reset
Capacitance, pull down resistor.
Preferably, MOSFET driving circuits include：MOSFET drive integrated circults, Schottky diode, boostrap circuit electricity
Appearance, current-limiting resistance, filter capacitor.
The utility model embodiment compared with prior art, at least with following difference and effect：
1. support wide range output power adjustment, and constant power output.
2. supporting quick charge, have and overcharge protection, overcurrent protection, overheat protector.
3. has cell anti-reverse connection function.
4. a variety of different internal resistance atomiser units can be adapted to
5. ultralow stand-by power consumption extends battery.
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, so as to form new or preferred technical solution.It is limited to
Length, not repeated them here.
Description of the drawings
Fig. 1 shows a kind of circuit modular structure schematic diagram of the embodiment of electronic cigarette of the utility model；
Fig. 2 shows battery charging module and the reverse-connection preventing circuit signals of a kind of embodiment of electronic cigarette of the utility model
Figure；
Fig. 3 shows a kind of 12V DC-DC booster circuit schematic diagrames of embodiment of electronic cigarette of the utility model；
Fig. 4 shows a kind of lifting/lowering circuit module schematic diagram of embodiment of electronic cigarette of the utility model；
Fig. 5 shows a kind of current collection circuit schematic diagram of the embodiment of electronic cigarette of the utility model；
Fig. 6 shows that a kind of main control unit circuit of embodiment of electronic cigarette of the utility model and MOSFET driving circuits show
It is intended to.
In all the appended drawings, identical reference numeral is used for representing identical element or structure, wherein：
1：Battery charging module and reverse-connection preventing circuit
2：12V DC-DC booster circuits
3：Lifting/lowering circuit module
4：Current collection circuit
5：Main control unit circuit
6：MOSFET driving circuits
7：Lithium battery
8：Atomiser unit
Specific embodiment
According to the utility model, electronics smoke product entirety lithium battery provides energy source, and (reverse-connection preventing circuit, which can be protected, accidentally to be grasped
Short-circuit conditions caused by work), step-up/step-down circuit is controlled to export height dynamic electric voltage simultaneously according to electric current by main control unit circuit
The signal feedback of Acquisition Circuit acquisition reaches the heating of atomiser unit firm power.In addition it is boosted 12V by DC-DC simultaneously adjusting
Switching voltage is provided for MOSFET driving circuits.
The major advantage of the utility model includes：
1. support wide range output power adjustment, and constant power output.
2. supporting quick charge, have and overcharge protection, overcurrent protection, overheat protector.
3. has cell anti-reverse connection function.
4. a variety of different internal resistance atomiser units can be adapted to
5. ultralow stand-by power consumption extends battery.
In conclusion electronic cigarette provided by the utility model significantly improves performance, and simple in structure, cost is manufactured
It is low, there is very wide application prospect in electronic cigarette field.
In the following description, in order to make the reader understand this application better, many technical details are proposed.But this
Even if the those of ordinary skill in field is appreciated that without these technical details and many variations based on the following respective embodiments
And modification, each claim of the application technical solution claimed can also be realized.In addition, this practicality disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in novel each embodiment.
Term
As used herein, term " MOSFET " refers to Metal-Oxide Semiconductor field-effect transistor, abbreviation OH
Transistor (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET) is that one kind can be wide
General use is in analog circuit and the field-effect transistor of digital circuit (field-effect transistor).MOSFET is according to it
The polarity of " channel " (work carrier) is different, can be divided into the two types of " N-type " and " p-type ".
As used herein, the construction of term " atomiser unit " can be a such as heating component, be supplied by battery
Electricity fever, makes the tobacco tar beside it volatilize, and smog is formed, so as to which people be allowed to achieve the effect that when suction " swallowing clouds and blowing out fog ".Its matter
Amount mainly depends on using material, heating wire and technique.
As used herein, term " PWM " (Pulse Width Modulation) is pulse width modulation, is to utilize micro- place
A kind of technology for managing the numeral output of device to control analog circuit.In other words, PWM control technologies are exactly to pulse
The technology that width is modulated is modulated by a series of width to pulses, carry out the equivalent required waveform of acquisition
(containing shape and amplitude).
As used herein, ((Microcontrol ler Unit) is also known as one chip microcomputer (Single to term " MCU "
Chip Microcomputer) or microcontroller, it is central processing unit (CentralProcess Unit；CPU frequency) with
Specification does appropriate reduction, and by the peripheries such as memory (memory), counter (Timer), USB, A/D conversion, UART, PLC, DMA
Interface or even LCD driving circuits are all incorporated on one chip, form the computer of chip-scale, are done for different application scenarios
Various combination controls.
First embodiment：
Next the connection relation to each module, composition and specific effect are described in detail.
As shown in Figure 1, the electronic cigarette in the present embodiment includes：Battery charging module and reverse-connection preventing circuit 1,12VDC-DC liters
Volt circuit 2, lifting/lowering circuit module 3, current acquisition 4, main control unit circuit 5, MOSFET driving circuits 6, lithium battery 7, atomizer
Unit 8.Wherein, battery charging module and reverse-connection preventing circuit 1 are connected to 1 and are connected to lithium battery 7 and main control unit circuit 5, lithium electricity
Pond 7 is connected to 12V DC-DC booster circuits 2 and main control unit circuit 5, and 12V DC-DC booster circuits 2 are connected to MOSFET drivings
Circuit 6, also, current collection circuit 4, main control unit circuit 5, MOSFET driving circuits 6, lifting/lowering circuit module 3 and mist
Change device unit 8 to be sequentially connected.Main control unit circuit is used to adjust power and startup and closes atomiser unit, while according to anti-
Feedback signal controls lifting/voltage reducing circuit module.
Wherein, MOSFET driving circuits 6 are used to drive the open and close of MOSFET；Lifting/lowering circuit module 3 is used to control
It is output to the voltage of atomiser unit 8；The electronic cigarette that atomiser unit 8 is atomized for generation；Current collection circuit 4 is used to acquire
Electric current from atomiser unit 8 is simultaneously output to main control unit circuit 5.Battery charging module and reverse-connection preventing circuit 1 are used for lithium
Battery 7 is charged and is protected；Lithium battery 7 is used to power to 12V DC-DC and booster circuit 2 and main control unit circuit 5；
12V DC-DC booster circuits 3 are used to the low voltage transition of 7 output terminal of lithium battery exporting 12v DC voltages into 12V voltage sources.
Battery charging module and reverse-connection preventing circuit 1：
In the present embodiment, as shown in Fig. 2, battery charging module and reverse-connection preventing circuit 1 mainly include following device：J1
(USB interface), R41/R42 (divider resistance), D1/D2/D5 (Schottky diode), D3/D4 (LED light), C10/C11
(filter capacitor), U3- parameters：TP4056 (lithium battery charging chip), R10- parameters：1K (charging current setting resistance), R12/
R16 (current-limiting resistance), Q1-QN3109 (anti-reverse MOSFET), P6 (battery interface).
In battery charging module and reverse-connection preventing circuit 1,5V power supplys are intervened by USB interface, P6 lithium batteries are carried out by U3
Charging.
Specifically, D4 lamps are bright in charging process, when cell voltage reaches 4.2V, battery is full of, and D3 lamps are bright, D4 lamps
It goes out.
Meanwhile Q1 can realize that P6 cell anti-reverses connect (without output after reversal connection).
Specifically, Q1 terminates GND_1S for MOSFET (QN3109) in its D terminates GND.When user's operation mistake (such as
During by battery reversal connection, Q1 is that the whole system being not turned on is not to power supply.) in addition when correct power on by R12 end-cell voltages
Its G end power supply (MOSFET internal resistances at this time are larger, and loss is larger) is given, is supplied power for (at this time by its R16 end 12V after U4 starts
MOSFET internal resistances are smaller, and loss is smaller).Anti-reverse left and right can not only be played in this way can also save power consumption.
12V DC-DC booster circuits 2：
In the present embodiment, as shown in figure 3,12V DC-DC booster circuits 2 mainly include following device：Q6-PM597BA
(contactor MOSFET), Q7 (driving triode), R43/R45 (divider resistance), U4 (boosting IC), L1 (boost inductance), D6
(Schottky diode), R13/R17/R11/R18 (divider resistance), C12/C13 (filter capacitor).
In 12V DC-DC booster circuits 2, controlled by battery input 4.2V power supplys by Q6 to L1/D6, while by U4
System output 12V DC voltage.
In addition, output voltage is set by the partial pressure of R11/R18.
Lifting/voltage reducing circuit 3：
In the present embodiment, as shown in figure 4, lifting/voltage reducing circuit 3 mainly includes following device：(MOSFET drives U6/U7
IC), D8/D7 (Schottky diode), C20/C21 (boostrap circuit capacitance), R39/R40/R27/R28/R31/R34/R32/
R38/R30/R33/R35/R36 (current-limiting resistance), C24/C22 (filter capacitor), Q3- parameters：QN3109/Q4- parameters：
QN3109/Q2- parameters：QN3109/Q5- parameters：QN3109 (buck H bridge MOSFET), L2 (lifting voltage inductance), C17/C18
(filter capacitor), P7 (atomizer interface), R29 (power resistor), R24- parameters：110K/R26- parameters：220K/R25- parameters：
220K/R23- parameters：110K (divider resistance), C14/C16 (filter capacitor).
In lifting/voltage reducing circuit 3, H bridge MOSFET circuits are driven by U6/U7, then there is MCU control module, i.e. master control
Element circuit 5 controls P7 ends output voltage to control U6/U7 input switches and PWM (pulse width modulation).
Current collection circuit 4：
In the present embodiment, as shown in figure 5, current collection circuit 4 mainly includes following device：U5 (amplifier IC), R19-
Parameter：2K/R20- parameters：100K (amplifier multiple sets resistance), R44/R21- parameters：75R/R22 (divider resistance), C27/
C15 (filter capacitor).
In current collection circuit 4, electric current is generated by P7 output voltages and is converted to voltage to R29, is amplified by U5
After 51 times, R21 ends are output to the collection terminal of MCU control module, i.e. main control unit circuit 5.
Main control unit circuit 5：
In the present embodiment, as shown in fig. 6, main control unit circuit 5 mainly includes following device：U2- parameters：
GD32F330K6U6, U1- parameter：BM7533 (LDO IC), C1/C3/C2 (filter capacitor), S1/S2/S3/S4 (button), R1/
R2/R3/R7 (pull-up resistor), P1/P2/P3 (communication interface), R4/R5/R8/R9 (current-limiting resistance), C9 (reset capacitance), R6
(pull down resistor), C6/C7/C8 (filter capacitor).
In main control unit circuit 5,5V power conversions are awarded into MCU control module, i.e. main control unit electricity into 3.3V by U1
Road 5 powers, and U2 loads each road ADC (analog-to-digital conversion) data acquisition and the logic control of whole system, is distinguished by S1/S2/S3
It adjusts setting power and opens atomization Smoking Patterns.
In addition, S4 is to carry out hardware reset to whole system.
MOSFET driving circuits 6：
In the present embodiment, as shown in fig. 6, MOSFET driving circuits 6 include device：U6/U7 (MOSFET drives IC),
D8/D7 (Schottky diode), C20/C21 (boostrap circuit capacitance), R39/R40/R27/R28/R31/R34/R32/R38/
R30/R33/R35/R36 (current-limiting resistance), C24/C22 (filter capacitor).
In MOSFET driving circuits 6,12V voltages are changed by battery output 4.2V and are supplied to U6/U7, while controlled by MCU
Molding block, i.e. main control unit circuit 5 provide PWM level to U6/U7, being capable of direct voltage driving so as to reach U6/U7 output terminals
MOSFET。
Operation principle
The operation principle of the electronic cigarette of the utility model is described further below.
Equipment access lithium battery 7 is at this time (if the reversed reverse-connection preventing circuit of battery comes into force, whole equipment no power).It is powered
Start main control unit circuit 5 afterwards, i.e. main control unit circuit (GD32F330K8U6) is run, and driving U4 work output 12V voltages carry
Supply U6, U7 and Q1 (QN3109).Then main control unit circuit (GD32F330K8U6) exports PWM U6, U7 to be driven to make entirely
Step-up/step-down circuit work, while by output point voltage, electric current feedback software on come control the step-up/step-down circuit on hardware with
Firm power carrys out wave heating atomizer device, so as to reach high emulation cigarette effect.
The present embodiment has following technique effect：
1. support wide range output power adjustment, and constant power output.
2. supporting quick charge, have and overcharge protection, overcurrent protection, overheat protector.
3. has cell anti-reverse connection function.
4. a variety of different internal resistance atomiser units can be adapted to
5. ultralow stand-by power consumption extends battery.
It should be noted that be incorporated herein by reference in all documents that the utility model refers to, as
It is individually recited as reference with each document.In addition, it should also be understood that, in the above-mentioned instruction for having read the utility model
After appearance, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this
Apply for the appended claims limited range.
Also, in claims and specification of this patent, relational terms such as first and second and the like are only
Only it is used for distinguishing one entity or operation from another entity or operation, without necessarily requiring or implying these realities
There are any actual relationship or orders between body or operation.Moreover, term " comprising ", "comprising" or its it is any its
He is intended to non-exclusive inclusion by variant, so that process, method, article or equipment including a series of elements are not
Only include those elements, but also including other elements that are not explicitly listed or further include for this process, method,
Article or the intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence " including one ", and
It is not precluded in the process including the element, method, article or equipment that also there are other identical elements.The power of this patent
In sharp claim and specification, if it is mentioned that perform certain behavior according to certain element, then refer to perform the row according at least to the element
For the meaning, which includes two kinds of situations：The behavior is performed according only to the element and is performed according to the element and other elements
The behavior.
Although by referring to certain preferred embodiments of the utility model, the utility model is shown and retouched
State, but it will be understood by those skilled in the art that can to it, various changes can be made in the form and details, without departing from
The spirit and scope of the utility model.
Claims (2)
1. a kind of electronic cigarette, which is characterized in that include：Sequentially connected main control unit circuit, MOSFET driving circuits, lifting/lowering
Circuit module, atomiser unit, current collection circuit, wherein,
The main control unit circuit is used to adjust power and startup and closes the atomiser unit, while according to feedback signal
Control the lifting/voltage reducing circuit module；
The MOSFET driving circuits are used to drive the open and close of MOSFET；
The lifting/lowering circuit module is output to the voltage of the atomiser unit for controlling；
The electronic cigarette that the atomiser unit is atomized for generation；
The current collection circuit is for electric current of the acquisition from the atomiser unit and is output to main control unit circuit.
2. electronic cigarette as described in claim 1, which is characterized in that also include：Sequentially connected battery charging module and counnter attack
Circuit, lithium battery, 12V DC-DC booster circuits are connect, the battery charging module and reverse-connection preventing circuit are also connected to main control unit
Circuit, the lithium battery are also connected to the main control unit circuit, and the 12VDC-DC booster circuits are also connected to described
MOSFET driving circuits, wherein,
The battery charging module and reverse-connection preventing circuit are used to that the lithium battery to be charged and be protected；
The lithium battery is used to power to the 12V DC-DC and booster circuit and main control unit circuit；
The 12V DC-DC booster circuits are used to export the low voltage transition of the lithium battery output terminal into 12V voltage sources
12V DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253870.5U CN207561379U (en) | 2017-09-27 | 2017-09-27 | Electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253870.5U CN207561379U (en) | 2017-09-27 | 2017-09-27 | Electronic cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207561379U true CN207561379U (en) | 2018-07-03 |
Family
ID=62694485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721253870.5U Active CN207561379U (en) | 2017-09-27 | 2017-09-27 | Electronic cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207561379U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109497615A (en) * | 2018-09-29 | 2019-03-22 | 深圳市合元科技有限公司 | A kind of output control circuit |
| WO2020038320A1 (en) * | 2018-08-20 | 2020-02-27 | 常州市派腾电子技术服务有限公司 | Control circuit and electronic cigarette |
| JP2021514617A (en) * | 2019-01-03 | 2021-06-17 | ケーティー・アンド・ジー・コーポレーション | Aerosol generator including voltage transducer and how to control it |
| WO2024078226A1 (en) * | 2022-10-11 | 2024-04-18 | 深圳麦克韦尔科技有限公司 | Electronic atomization apparatus |
-
2017
- 2017-09-27 CN CN201721253870.5U patent/CN207561379U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020038320A1 (en) * | 2018-08-20 | 2020-02-27 | 常州市派腾电子技术服务有限公司 | Control circuit and electronic cigarette |
| CN109497615A (en) * | 2018-09-29 | 2019-03-22 | 深圳市合元科技有限公司 | A kind of output control circuit |
| CN109497615B (en) * | 2018-09-29 | 2021-07-09 | 深圳市合元科技有限公司 | Output control circuit |
| JP2021514617A (en) * | 2019-01-03 | 2021-06-17 | ケーティー・アンド・ジー・コーポレーション | Aerosol generator including voltage transducer and how to control it |
| JP7040857B2 (en) | 2019-01-03 | 2022-03-23 | ケーティー アンド ジー コーポレイション | Aerosol generators including voltage transducers and how to control them |
| WO2024078226A1 (en) * | 2022-10-11 | 2024-04-18 | 深圳麦克韦尔科技有限公司 | Electronic atomization apparatus |
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