CN207020508U - A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette - Google Patents
A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette Download PDFInfo
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- CN207020508U CN207020508U CN201721029989.4U CN201721029989U CN207020508U CN 207020508 U CN207020508 U CN 207020508U CN 201721029989 U CN201721029989 U CN 201721029989U CN 207020508 U CN207020508 U CN 207020508U
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Abstract
The utility model discloses a kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette, wherein ultrasonic atomizatio piece oscillation control circuit includes microcontroller, drive circuit, electronic switch, oscillating circuit and current detection circuit, the output end of the microcontroller is electrically connected by drive circuit with the control terminal of electronic switch, the first end of electronic switch is electrically connected by oscillating circuit with one end of ultrasonic atomizatio piece, the other end of ultrasonic atomizatio piece and the second end of electronic switch are grounded, the input of current detection circuit electrically connects with the second end of electronic switch, the output end of current detection circuit electrically connects with the input of microcontroller.The utility model causes ultrasonic atomizatio piece to be constantly in resonant condition, the nebulization efficiency of ultrasonic atomizatio piece is high, amount of smoke is big, circuit loss is low, circuit board is not easy to generate heat, small volume, cost are low, circuit stability is good simultaneously, reliable and secure, ultrasonic atomizatio piece service life length.
Description
Technical field
More particularly to a kind of ultrasonic atomizatio piece oscillation control circuit of the utility model and ultrasonic electronic cigarette.
Background technology
The oscillation control circuit of ultrasonic atomizatio piece is using auto-excitation type excitation module, namely adopt in existing ultrasonic electronic cigarette
With general capacitance three-point type, inductance of three-point oscillating circuit, the nebulization efficiency of ultrasonic atomizatio piece is low, amount of smoke is small, circuit damage
Consumption is big, and circuit board easily generates heat and damages corresponding electronic component.
The content of the invention
The oscillation control circuit of ultrasonic atomizatio piece is using auto-excitation type excitation module, atomization effect in existing ultrasonic electronic cigarette
Rate is low, circuit loss is big, and circuit board easily generates heat and damages corresponding electronic component.The purpose of this utility model is, for
Above-mentioned the deficiencies in the prior art, there is provided a kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette, swashed using separated exciting
Module control ultrasonic atomizatio piece oscillatory work is encouraged, ultrasonic atomizatio piece can be rapidly achieved resonant condition, and operating efficiency is high, amount of smoke
Greatly, circuit loss is low, circuit board is not easy to generate heat, small volume.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of ultrasonic atomizatio piece oscillation control circuit, it is structurally characterized in that including microcontroller, drive circuit, electronic cutting
Close, oscillating circuit and current detection circuit, the control terminal that the output end of the microcontroller passes through drive circuit and electronic switch
Electrical connection, the first end of electronic switch electrically connected by oscillating circuit with one end of ultrasonic atomizatio piece, ultrasonic atomizatio piece it is another
End and the second end of electronic switch are grounded, and the input of current detection circuit electrically connects with the second end of electronic switch, electric current
The output end of detection circuit electrically connects with the input of microcontroller.
By said structure, microcontroller produces pwm signal control drive circuit and produces drive signal, so as to control electronics
Switch due to electronic switch rapidly on and off, so as to which oscillating circuit starts to vibrate, makes ultrasound on or off two states
Atomizing piece works.Current detection circuit is used for the operating current for detecting ultrasonic atomizatio piece, and master controller is to two adjacent receptions
To current value be compared, catch complete resonance point of the maximum current value as ultrasonic atomizatio piece, then microprocessor control
Rate-adaptive pacemaker of the drive circuit needed for the complete resonance point, so that ultrasonic atomizatio piece is in a complete resonant condition.
Current detection module constantly detects, so as to ultrasonic atomizatio piece efficient operation always.Furthermore when the current value detected is more than micro-control
During the signal value of device internal preset processed, the whole circuit of microprocessor control is stopped, and circuit is protected.The utility model uses
Separated exciting energisation mode encourages ultrasonic atomizatio piece oscillatory work, and ultrasonic atomizatio piece is constantly in resonant condition, ultrasonic atomizatio piece
Operating efficiency it is high, amount of smoke is big, circuit loss is low, so as to avoid that corresponding electronic component is damaged because of circuit board heating,
Circuit stability, it is reliable and secure.
As a kind of preferred embodiment, the drive circuit include first resistor, second resistance, 3rd resistor, the 4th resistance,
NPN triode and PNP triode, the output end of controller pass sequentially through second resistance and 3rd resistor ground connection, NPN triode
The base stage of base stage and PNP triode is accessed between second resistance and 3rd resistor, the colelctor electrode and positive source of NPN triode
Connect, the grounded collector of PNP triode, the emitter stage of NPN triode and the emitter stage of PNP triode with first resistor
One end is connected, and the other end of first resistor terminates at first resistor and the 4th by the 4th resistance eutral grounding, the control of electronic switch
Between resistance.
By said structure, NPN triode and PNP triode composition totem-pote circuit, the pwm signal of microcontroller output
Exported by second resistance and 3rd resistor to the input of totem-pote circuit, the output end of totem-pote circuit and pass through first resistor
Low and high level, which is exported, with 3rd resistor is therefore operated on or off two states to the control terminal of electronic switch, electronic switch.
Further, in addition to the first electric capacity, one end of the first electric capacity connect with positive source, the other end of the first electric capacity
Ground connection, the first electric capacity strobe.
The oscillating circuit includes inductance and the second electric capacity, and positive source passes sequentially through inductance and the second electric capacity and ultrasonic mist
Change one end electrical connection of piece, the first end of electronic switch is connected between inductance and the second electric capacity.
As a kind of preferred embodiment, the current detection circuit includes the 3rd electric capacity, the 4th electric capacity, the 5th resistance and the 6th
Resistance, one end of the 6th resistance, one end of the 3rd electric capacity, one end of the 5th resistance electrically connect with the second end of electronic switch,
The other end of 6th resistance and the other end of the 3rd electric capacity are grounded, and the other end of the 5th resistance passes through the 4th capacity earth, control
The input of device processed is terminated between the 4th electric capacity and the 5th resistance.
In above-mentioned current detection circuit, the 6th resistance is current sense resistor, and the 3rd electric capacity is filter capacitor, and the 4th is electric
Hold and the 5th resistance composition filter circuit, current detecting accuracy are high.
As a kind of preferred embodiment, the electronic switch is metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor is the first end of electronic switch,
The source electrode of metal-oxide-semiconductor is the second end of electronic switch, and the grid of metal-oxide-semiconductor is the control terminal of electronic switch.
As a kind of preferred embodiment, the ultrasonic atomizatio piece is piezoelectric ceramic atomizer patch.
The utility model can be used on the component or circuit of piezoelectric ceramic atomizer patch or similar piezoceramic structures.
Based on same inventive concept, the utility model additionally provides a kind of ultrasonic electronic cigarette, and it is structurally characterized in that bag
Include described ultrasonic atomizatio piece oscillation control circuit.
Compared with prior art, the utility model causes ultrasonic atomizatio piece to be constantly in resonant condition, ultrasonic atomizatio piece
Nebulization efficiency is high, amount of smoke is big, circuit loss is low, circuit board is not easy to generate heat, small volume, cost are low, while circuit stability is good,
It is reliable and secure, ultrasonic atomizatio piece service life length.
Brief description of the drawings
Fig. 1 is the electrical block diagram of ultrasonic atomizatio piece oscillation control circuit.
Wherein, 1 is microcontroller, and 2 be drive circuit, and 3 be oscillating circuit, and 4 be current detection circuit, and 5 be ultrasonic atomizatio
Piece, C1 are the first electric capacity, and C2 is the second electric capacity, and C3 is the 3rd electric capacity, and C4 is the 4th electric capacity, and L is inductance, and R1 is first resistor,
R2 is second resistance, and R3 is 3rd resistor, and R4 is the 4th resistance, and R5 is the 5th resistance, and R6 is the 6th resistance, and Q1 is the poles of NPN tri-
Pipe, Q2 is electronic switch, and Q3 is PNP triode.
Embodiment
As shown in figure 1, the ultrasonic atomizatio piece oscillation control circuit in the utility model ultrasonic electronic cigarette includes microcontroller
Device 1, drive circuit 2, electronic switch Q2, oscillating circuit 3 and current detection circuit 4, the output end of the microcontroller 1 pass through drive
Dynamic circuit 2 electrically connects with electronic switch Q2 control terminal, and electronic switch Q2 first end passes through oscillating circuit 3 and ultrasonic atomizatio piece
5 one end electrical connection, the other end of ultrasonic atomizatio piece 5 and electronic switch Q2 the second end be grounded, current detection circuit 4 it is defeated
Enter end to electrically connect with electronic switch Q2 the second end, the output end and the input of microcontroller 1 of current detection circuit 4 are electrically connected
Connect.
The drive circuit 2 includes first resistor R1, second resistance R2,3rd resistor R3, the 4th tri- pole of resistance R4, NPN
Pipe Q1 and PNP triode Q3, the output end of controller pass sequentially through second resistance R2 and 3rd resistor R3 ground connection, NPN triode
Q1 base stage and PNP triode Q3 base stage are accessed between second resistance R2 and 3rd resistor R3, the current collection of NPN triode Q1
Pole connects with positive source, PNP triode Q3 grounded collector, the emitter stage of NPN triode Q1 and PNP triode Q3 hair
The one end of emitter-base bandgap grading with first resistor R1 is connected, and the first resistor R1 other end is grounded by the 4th resistance R4, electronic switch Q2
Control terminate between first resistor R1 and the 4th resistance R4.
The utility model also includes the first electric capacity C1, and the first electric capacity C1 one end connects with positive source, the first electric capacity C1
The other end ground connection.
The oscillating circuit 3 includes inductance L and the second electric capacity C2, and positive source passes sequentially through inductance L and the second electric capacity C2
Electrically connected with one end of ultrasonic atomizatio piece 5, electronic switch Q2 the first end is connected between inductance L and the second electric capacity C2.Work as micro-control
NPN triode Q1 conducting, PNP triode Q3 are closed when device 1 processed exports high level, and the emitter stage of NPN triode Q1 exports one
High level, driving electronic switch Q2 are opened, inductance L energy storage.When microcontroller 1 export low level when NPN triode Q1 close,
PNP triode Q3 is turned on, and the emitter stage of NPN triode Q1 exports a low level, and driving electronic switch Q2 is closed, and inductance L is put
Electricity, inductance L and the second electric capacity C2 vibrations, ultrasonic atomizatio piece 5 are started working.Above procedure is gone round and begun again progress, makes ultrasonic atomizatio
The normal work of piece 5.
The current detection circuit 4 includes the 3rd electric capacity C3, the 4th electric capacity C4, the 5th resistance R5 and the 6th resistance R6, the
Six resistance R6 one end, the 3rd electric capacity C3 one end, the 5th resistance R5 one end electrically connects with electronic switch Q2 the second end,
The 6th resistance R6 other end and the 3rd electric capacity C3 other end are grounded, and the 5th resistance R5 other end passes through the 4th electric capacity C4
Ground connection, the input of controller are terminated between the 4th electric capacity C4 and the 5th resistance R5.
The electronic switch Q2 is metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor is electronic switch Q2 first end, and the source electrode of metal-oxide-semiconductor is electricity
Sub switch Q2 the second end, the grid of metal-oxide-semiconductor are electronic switch Q2 control terminal.
The ultrasonic atomizatio piece 5 is piezoelectric ceramic atomizer patch.
Power circuit of the present utility model includes battery compartment, battery protecting circuit, management of charging and discharging circuit and buck
Circuit, effective operational voltage value is provided for whole circuit.In battery selection, single battery or multiple batteries combination side will be used
Case, management of charging and discharging circuit and battery protecting circuit can prevent battery or battery pack from occurring overcharging in discharge and recharge, putting excessively, excessively stream
Or short circuit phenomenon, shield.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than limitation, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within the scope of protection of the utility model.
Claims (8)
1. a kind of ultrasonic atomizatio piece oscillation control circuit, it is characterised in that including microcontroller（1）, drive circuit（2）, electronics
Switch（Q2）, oscillating circuit（3）And current detection circuit（4）, the microcontroller（1）Output end pass through drive circuit（2）
With electronic switch（Q2）Control terminal electrical connection, electronic switch（Q2）First end pass through oscillating circuit（3）With ultrasonic atomizatio piece
（5）One end electrical connection, ultrasonic atomizatio piece（5）The other end and electronic switch（Q2）The second end be grounded, current detecting electricity
Road（4）Input and electronic switch（Q2）The second end electrical connection, current detection circuit（4）Output end and microcontroller
（1）Input electrical connection.
2. ultrasonic atomizatio piece oscillation control circuit as claimed in claim 1, it is characterised in that the drive circuit（2）Including
First resistor（R1）, second resistance（R2）, 3rd resistor（R3）, the 4th resistance（R4）, NPN triode（Q1）And PNP triode
（Q3）, the output end of controller passes sequentially through second resistance（R2）And 3rd resistor（R3）Ground connection, NPN triode（Q1）Base stage
And PNP triode（Q3）Base stage access second resistance（R2）And 3rd resistor（R3）Between, NPN triode（Q1）Current collection
Pole connects with positive source, PNP triode（Q3）Grounded collector, NPN triode（Q1）Emitter stage and PNP triode
（Q3）Emitter stage and first resistor（R1）One end be connected, first resistor（R1）The other end pass through the 4th resistance（R4）Connect
Ground, electronic switch（Q2）Control terminate at first resistor（R1）With the 4th resistance（R4）Between.
3. ultrasonic atomizatio piece oscillation control circuit as claimed in claim 2, it is characterised in that also including the first electric capacity（C1）,
First electric capacity（C1）One end connect with positive source, the first electric capacity（C1）The other end ground connection.
4. ultrasonic atomizatio piece oscillation control circuit as claimed in claim 1, it is characterised in that the oscillating circuit（3）Including
Inductance（L）With the second electric capacity（C2）, positive source passes sequentially through inductance（L）With the second electric capacity（C2）With ultrasonic atomizatio piece（5）'s
One end electrically connects, electronic switch（Q2）The first end be connected on inductance（L）With the second electric capacity（C2）Between.
5. ultrasonic atomizatio piece oscillation control circuit as claimed in claim 1, it is characterised in that the current detection circuit（4）
Including the 3rd electric capacity（C3）, the 4th electric capacity（C4）, the 5th resistance（R5）With the 6th resistance（R6）, the 6th resistance（R6）One end,
3rd electric capacity（C3）One end, the 5th resistance（R5）One end and electronic switch（Q2）The second end electrical connection, the 6th resistance
（R6）The other end and the 3rd electric capacity（C3）The other end be grounded, the 5th resistance（R5）The other end pass through the 4th electric capacity（C4）
Ground connection, the input of controller terminate at the 4th electric capacity（C4）With the 5th resistance（R5）Between.
6. the ultrasonic atomizatio piece oscillation control circuit as described in any one of claim 1 to 5, it is characterised in that the electronic cutting
Close（Q2）For metal-oxide-semiconductor, the drain electrode of metal-oxide-semiconductor is electronic switch（Q2）First end, the source electrode of metal-oxide-semiconductor is electronic switch（Q2）
Two ends, the grid of metal-oxide-semiconductor is electronic switch（Q2）Control terminal.
7. the ultrasonic atomizatio piece oscillation control circuit as described in any one of claim 1 to 5, it is characterised in that the ultrasonic mist
Change piece（5）For piezoelectric ceramic atomizer patch.
8. a kind of ultrasonic electronic cigarette, it is characterised in that shaken including the ultrasonic atomizatio piece as described in any one of claim 1 to 7
Swing control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721029989.4U CN207020508U (en) | 2017-08-17 | 2017-08-17 | A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721029989.4U CN207020508U (en) | 2017-08-17 | 2017-08-17 | A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette |
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| Publication Number | Publication Date |
|---|---|
| CN207020508U true CN207020508U (en) | 2018-02-16 |
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ID=61478612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721029989.4U Active CN207020508U (en) | 2017-08-17 | 2017-08-17 | A kind of ultrasonic atomizatio piece oscillation control circuit and ultrasonic electronic cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207020508U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299904A (en) * | 2018-03-21 | 2019-10-01 | 湖南中烟工业有限责任公司 | A kind of ultrasonic atomizatio piece working control circuit and ultrasonic electronic cigarette |
| CN110299905A (en) * | 2018-03-21 | 2019-10-01 | 湖南中烟工业有限责任公司 | A kind of ultrasonic atomizatio piece working control circuit and ultrasonic electronic cigarette |
| WO2019238062A1 (en) * | 2018-06-14 | 2019-12-19 | 湖南中烟工业有限责任公司 | Ultrasonic electronic cigarette frequency tracking method |
| WO2021093705A1 (en) * | 2019-11-11 | 2021-05-20 | 湖南中烟工业有限责任公司 | Working circuit of ultrasonic atomizer and ultrasonic electronic cigarette |
| CN115365225A (en) * | 2022-09-29 | 2022-11-22 | 中山市创艺生化工程有限公司 | Ultrasonic cleaning control circuit for blood analyzer |
| WO2023143058A1 (en) * | 2022-01-26 | 2023-08-03 | 深圳市合元科技有限公司 | Ultrasonic atomizer |
| WO2024037496A1 (en) * | 2022-08-15 | 2024-02-22 | 深圳市合元科技有限公司 | Impedance identification method for ultrasonic atomizer, and ultrasonic atomizer |
-
2017
- 2017-08-17 CN CN201721029989.4U patent/CN207020508U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299904A (en) * | 2018-03-21 | 2019-10-01 | 湖南中烟工业有限责任公司 | A kind of ultrasonic atomizatio piece working control circuit and ultrasonic electronic cigarette |
| CN110299905A (en) * | 2018-03-21 | 2019-10-01 | 湖南中烟工业有限责任公司 | A kind of ultrasonic atomizatio piece working control circuit and ultrasonic electronic cigarette |
| CN110299905B (en) * | 2018-03-21 | 2024-04-23 | 湖南中烟工业有限责任公司 | Ultrasonic atomization piece work control circuit and ultrasonic electronic cigarette |
| CN110299904B (en) * | 2018-03-21 | 2024-04-23 | 湖南中烟工业有限责任公司 | Ultrasonic atomization piece work control circuit and ultrasonic electronic cigarette |
| WO2019238062A1 (en) * | 2018-06-14 | 2019-12-19 | 湖南中烟工业有限责任公司 | Ultrasonic electronic cigarette frequency tracking method |
| US11771137B2 (en) | 2018-06-14 | 2023-10-03 | China Tobacco Hunan Industrial Co., Ltd. | Frequency tracking method for ultrasonic electronic cigarette |
| WO2021093705A1 (en) * | 2019-11-11 | 2021-05-20 | 湖南中烟工业有限责任公司 | Working circuit of ultrasonic atomizer and ultrasonic electronic cigarette |
| WO2023143058A1 (en) * | 2022-01-26 | 2023-08-03 | 深圳市合元科技有限公司 | Ultrasonic atomizer |
| WO2024037496A1 (en) * | 2022-08-15 | 2024-02-22 | 深圳市合元科技有限公司 | Impedance identification method for ultrasonic atomizer, and ultrasonic atomizer |
| CN115365225A (en) * | 2022-09-29 | 2022-11-22 | 中山市创艺生化工程有限公司 | Ultrasonic cleaning control circuit for blood analyzer |
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