CN204292202U - A kind of electronic cigarette with digital display screen - Google Patents
A kind of electronic cigarette with digital display screen Download PDFInfo
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- CN204292202U CN204292202U CN201420735349.5U CN201420735349U CN204292202U CN 204292202 U CN204292202 U CN 204292202U CN 201420735349 U CN201420735349 U CN 201420735349U CN 204292202 U CN204292202 U CN 204292202U
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Abstract
The utility model discloses a kind of electronic cigarette with digital display screen, comprise atomizer, the battery unit be connected with atomizer, in the cavity of battery unit, pcb board is installed, PCB is provided with MCU processor, booster circuit, reverse battery protection circuit and key switch, described pcb board is also provided with digital display screen, MCU processor connects booster circuit, key switch respectively, booster circuit electrical connection battery, battery electrical connection reverse battery protection circuit; The circuit of digital display screen is provided with 11 pins, and the pin that these 11 pins are corresponding with on MCU processor circuit is respectively electrically connected, and digital display screen is provided with three display numerical value.Electronic cigarette of the present utility model has can show atomizer port output resistance, display cell voltage, cell output voltage, cell output.
Description
Technical field
The utility model relates to electronic cigarette technical field, more particularly relates to a kind of electronic cigarette with digital display screen.
Background technology
At present, electronic cigarette is progressively popularized to masses, and the electronic cigarette of non-tobacco type can not damage healthy, and also can spray smog, the tobacco tar contained in smog forms vaporific steam via the volatilization of atomizer simultaneously, can suck for people.Due to not through burning, so not containing the harmful substance such as carbon monoxide and tar, second-hand-cigarette harm can not be produced.Traditional electronic cigarette is made up of atomization portion, battery unit, cigarette holder, battery unit provides power supply, heat the heating wire of atomization portion, heating wire generally all can be wound with wick, and tobacco tar cavity volume is put at the two ends of wick, after tobacco tar cavity volume is filled with tobacco tar, tobacco tar is sucked heating wire place by wick, and heating wire temperature after heating raises, and the cigarette on wick is heated volatilization, form smog, suck smoker's mouth from mouthpiece portion.
Along with the continuous progress of electronic cigarette technology, the requirement of people to electronic cigarette is also more and more higher, we know in electronic cigarette and want packed battery normal to use, although and electronic cigarette of the prior art is progressive not little on the battery of electronic cigarette, but existing electronic cigarette does not all show the function of electronic cigarette battery voltage swing, people's compulsory unlocking electronic cigarette when not knowing cell voltage size can cause damage to electronics, and this brings a lot of inconveniences to user.
Utility model content
The technical problem that the utility model solves is to provide a kind of electronic cigarette with digital display screen, this digital display screen electronic cigarette can show the resistance of atomizer and voltage, output voltage, the power output of battery, solves the shortcoming existed in prior art.
For solving the problems of the technologies described above, the technical scheme adopted is: a kind of electronic cigarette with digital display screen, comprise atomizer, the battery unit be connected with atomizer, is provided with pcb board in the cavity of battery unit, and PCB is provided with MCU processor, booster circuit, reverse battery protection circuit and key switch, described pcb board is also provided with digital display screen, MCU processor connects booster circuit, key switch respectively, booster circuit electrical connection battery, battery electrical connection reverse battery protection circuit; The circuit of digital display screen is provided with 11 pins, and the pin that these 11 pins are corresponding with on MCU processor circuit is respectively electrically connected, and digital display screen is provided with three display numerical value.
Further, the model that described MCU processor uses is STM8S103K4 single-chip microcomputer, and STM8S103K4 single-chip microcomputer connects AO4409 switching tube.
Further, described STM8S103K4 single-chip microcomputer is also electrically connected high-precision voltage stabilizing chip, the positive pole electrical connection booster circuit of high-precision voltage stabilizing chip.
Further, the model of described high-precision voltage stabilizing chip is 7533 high-precision voltage stabilizing chips.
Further, described 7533 high-precision voltage stabilizing chips comprise LED, GND, VDD tri-pins, and LED pin is connected with electric capacity C7, electric capacity C8 in parallel; GNG pin ground connection; VDD pin connects electric capacity C5.
Further, described MCU processor also contact resistance testing circuit, resistance detecting circuit comprises resistance R8, resistance 10, resistance R26 and 8050 triodes, resistance R8 and the series connection of 8050 triodes, resistance R10 and resistance R26 is in parallel, and resistance R8 is connected with the circuit after resistance R10 and resistance R26 parallel connection with the circuit after 8050 triode series connection.
Further, described booster circuit comprises two EUP5108 chips, and these two EUP5108 chip-in series connect.
The beneficial effects of the utility model are: electronic cigarette of the present utility model is on the basis of original MCU processor, booster circuit and reverse battery protection circuit; PCB is also provided with digital display screen; digital display screen is connected with MCU processor and digital display screen is provided with three and shows numerical value, can be determined voltage, output voltage, the power output of atomizer resistance, battery by display numerical value current on digital display screen.Therefore electronic cigarette of the present utility model has the advantage that can show current battery level, cell output voltage and cell output; Other 7533 high-precision voltage stabilizing chips are connected with STM8S103K4 single-chip microcomputer, ensure the stable of electronic cigarette voltage, extend electronic cigarette service life.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model.
Fig. 2 is the circuit connection diagram of STM8S103K4 single-chip microcomputer in the utility model, AO4409 switching tube, digital display screen, 7533 high-precision voltage stabilizing chips, reverse battery protection circuit, resistance detecting circuit.
Fig. 3 is the circuit enlarged drawing of the STM8S103K4 single-chip microcomputer in Fig. 2.
Fig. 4 is the circuit enlarged drawing of the AO4409 switching tube in Fig. 2.
Fig. 5 is the circuit enlarged drawing of the digital display screen in Fig. 2.
Fig. 6 is the circuit enlarged drawing of the reverse battery protection circuit in Fig. 2.
Fig. 7 is the circuit enlarged drawing of 7533 high-precision voltage stabilizing chips in Fig. 2.
Fig. 8 is the circuit enlarged drawing of the resistance detecting circuit in Fig. 2.
Fig. 9 is booster circuit figure of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Figures 1 to 6, a kind of electronic cigarette with digital display screen, comprise atomizer, the battery unit be connected with atomizer, is provided with pcb board in the cavity of battery unit, and PCB is provided with MCU processor 10, booster circuit 20, reverse battery protection circuit 30 and key switch 40, pcb board is also provided with digital display screen 50, MCU processor 10 connects booster circuit 20, key switch 40 respectively, and booster circuit 20 is electrically connected battery 60, and battery 60 is electrically connected reverse battery protection circuit 30; The circuit of digital display screen 50 is provided with 11 pins, and the pin that these 11 pins are corresponding with on MCU processor 10 circuit is respectively electrically connected, and digital display screen 50 is provided with three display numerical value.Digital display screen 50 has Presentation Function, can show current atomizer output port resistance, and current battery level, cell output voltage, cell output.When assembling electronic cigarette, digital display screen 50 display screen is exposed at outside electronic cigarette.Also be provided with output switch 70 in addition, output switch 70 is electrically connected with MCU processor 10 and booster circuit 20 simultaneously, and output switch 70 is also connected with LED 80, is that LED 80 can be luminous in electronic cigarette work.What reverse battery protection circuit 30 adopted is two DP8205 FETs.
The model that MCU processor 10 uses is STM8S103K4 single-chip microcomputer, STM8S103K4 single-chip microcomputer connects AO4409 switching tube, STM8S103K4 single-chip microcomputer controls booster circuit 20 by AO4409 switching tube and sets output voltage, power, and shows corresponding parameter on digital display screen 50.
As shown in Figure 7, STM8S103K4 single-chip microcomputer is also electrically connected high-precision voltage stabilizing chip, the positive pole electrical connection booster circuit of high-precision voltage stabilizing chip.The model of high-precision voltage stabilizing chip is 7533 high-precision voltage stabilizing chips, and 7533 high-precision voltage stabilizing chips comprise LED, GND, VDD tri-pins, and LED pin is connected with electric capacity C7, electric capacity C8 in parallel; GNG pin ground connection; VDD pin connects electric capacity C5.
As shown in Figure 8, contact resistance testing circuit gone back by MCU processor 10, resistance detecting circuit comprises resistance R8, resistance 10, resistance R26 and 8050 triodes, resistance R8 and the series connection of 8050 triodes, resistance R10 and resistance R26 is in parallel, and resistance R8 is connected with the circuit after resistance R10 and resistance R26 parallel connection with the circuit after 8050 triode series connection.
As shown in Figure 9, further, described booster circuit 20 comprises two EUP5108 chips, and these two EUP5108 chip-in series connect.
In the present embodiment, reverse battery protection circuit has battery reversal connection protection function, and when the both positive and negative polarity reversal connection of battery, reverse battery protection circuit automatically can not damage components and parts in electronic cigarette and battery by protection battery circuit.The voltage of battery is provided with certain limit, and when cell voltage is lower than below 3.4V, represent that battery electric quantity is low, now push button switch, and digital display screen can show " LoU ", and forbid any operation, electronic cigarette enters holding state immediately simultaneously.Atomizer output port resistance arranges certain limit, when atomizer output port resistance can show current resistance value lower than on digital display screen when 1.2 ohm, and now electronic cigarette smoking no-output.
The foregoing is only preferred embodiment of the present utility model; not thereby this scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in this scope of patent protection of the present utility model.
Claims (7)
1. the electronic cigarette with digital display screen, comprise atomizer, the battery unit be connected with atomizer, in the cavity of battery unit, pcb board is installed, PCB is provided with MCU processor (10), booster circuit (20), reverse battery protection circuit (30) and key switch (40), it is characterized in that: described pcb board is also provided with digital display screen (50), MCU processor (10) connects booster circuit (20) respectively, key switch (40), booster circuit (20) electrical connection battery (60), battery (60) electrical connection reverse battery protection circuit (30), the circuit of digital display screen (50) is provided with 11 pins, and the pin that these 11 pins are corresponding with on MCU processor (10) circuit is respectively electrically connected, and digital display screen (50) is provided with three display numerical value.
2. a kind of electronic cigarette with digital display screen according to claim 1, is characterized in that: the model that described MCU processor (10) uses is STM8S103K4 single-chip microcomputer, and STM8S103K4 single-chip microcomputer connects AO4409 switching tube.
3. a kind of electronic cigarette with digital display screen according to claim 2, is characterized in that: described STM8S103K4 single-chip microcomputer is also electrically connected high-precision voltage stabilizing chip, positive pole electrical connection booster circuit (20) of high-precision voltage stabilizing chip.
4. a kind of electronic cigarette with digital display screen according to claim 3, is characterized in that: the model of described high-precision voltage stabilizing chip is 7533 high-precision voltage stabilizing chips.
5. a kind of electronic cigarette with digital display screen according to claim 4, is characterized in that: described 7533 high-precision voltage stabilizing chips comprise LED, GND, VDD tri-pins, and LED pin is connected with electric capacity C7, electric capacity C8 in parallel; GNG pin ground connection; VDD pin connects electric capacity C5.
6. a kind of electronic cigarette with digital display screen according to claim 1, it is characterized in that: described MCU processor (10) goes back contact resistance testing circuit, resistance detecting circuit comprises resistance R8, resistance 10, resistance R26 and 8050 triodes, resistance R8 and the series connection of 8050 triodes, resistance R10 and resistance R26 is in parallel, and resistance R8 is connected with the circuit after resistance R10 and resistance R26 parallel connection with the circuit after 8050 triode series connection.
7. a kind of electronic cigarette with digital display screen according to claim 1, is characterized in that: described booster circuit (20) comprises two EUP5108 chips, and these two EUP5108 chip-in series connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735349.5U CN204292202U (en) | 2014-12-01 | 2014-12-01 | A kind of electronic cigarette with digital display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735349.5U CN204292202U (en) | 2014-12-01 | 2014-12-01 | A kind of electronic cigarette with digital display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204292202U true CN204292202U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420735349.5U Active CN204292202U (en) | 2014-12-01 | 2014-12-01 | A kind of electronic cigarette with digital display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204292202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902595A (en) * | 2015-06-15 | 2015-09-09 | 深圳葆威道科技有限公司 | Temperature control system for electronic cigarette heat-generating body |
| CN110122933A (en) * | 2019-06-11 | 2019-08-16 | 深圳市劳斯韦伯科技有限公司 | Electronic cigarette control device and its electronic cigarette |
-
2014
- 2014-12-01 CN CN201420735349.5U patent/CN204292202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902595A (en) * | 2015-06-15 | 2015-09-09 | 深圳葆威道科技有限公司 | Temperature control system for electronic cigarette heat-generating body |
| CN110122933A (en) * | 2019-06-11 | 2019-08-16 | 深圳市劳斯韦伯科技有限公司 | Electronic cigarette control device and its electronic cigarette |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Xiuye Inventor before: Chen Wen |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN WEN TO: ZHAO XIUYE |