CN211065049U - Ultrasonic atomization piece working circuit and ultrasonic electronic cigarette - Google Patents
Ultrasonic atomization piece working circuit and ultrasonic electronic cigarette Download PDFInfo
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- CN211065049U CN211065049U CN201921930982.9U CN201921930982U CN211065049U CN 211065049 U CN211065049 U CN 211065049U CN 201921930982 U CN201921930982 U CN 201921930982U CN 211065049 U CN211065049 U CN 211065049U
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Abstract
The utility model discloses an ultrasonic atomization piece working circuit and an ultrasonic electronic cigarette, which comprise a power module, a microprocessor, a high-frequency half-wave generating circuit and a resonant circuit, wherein the output end of the power module is electrically connected with the high-frequency half-wave generating circuit, and the output end of the microprocessor is electrically connected with the control end of the high-frequency half-wave generating circuit; the resonance circuit comprises a receiving inductor, and the transmitting inductor and the receiving inductor of the high-frequency half-wave generating circuit are parallel and opposite; the first end of the receiving inductor is electrically connected with the first electrode layer of the ultrasonic atomization sheet, and the second end of the receiving inductor is electrically connected with the second electrode layer of the ultrasonic atomization sheet. The utility model can realize the wireless oscillation power supply of the ultrasonic atomization piece, simplify the structure of the ultrasonic atomizer, reduce the product volume and reduce the cost; the oil leakage and the bad contact risk of the ultrasonic atomizer are eliminated, and the use convenience of a user is improved.
Description
Technical Field
The utility model particularly relates to an ultrasonic atomization piece working circuit, ultrasonic wave electron cigarette.
Background
In the existing working circuit of the ultrasonic atomization sheet, the anode and the cathode of the ultrasonic atomization sheet are connected to a power supply through two leads, so that in practical application, a magnetic electrode, a rivet electrode and other complex electrode structures need to be arranged in the ultrasonic atomizer, the size is large, and the cost is high; meanwhile, other risks such as oil leakage and poor contact exist, and the use by consumers is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultrasonic atomization sheet working circuit and an ultrasonic electronic cigarette aiming at the defects of large volume, high cost, easy oil leakage and poor contact of the ultrasonic atomizer in the prior art, simplifying the structure of the ultrasonic atomizer, reducing the product volume and lowering the cost; the oil leakage and the bad contact risk of the ultrasonic atomizer are eliminated, and the use convenience of a user is improved.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an ultrasonic atomization sheet working circuit comprises a power supply module and a microprocessor, and is structurally characterized by further comprising a high-frequency half-wave generating circuit and a resonant circuit, wherein the output end of the power supply module is electrically connected with the high-frequency half-wave generating circuit, and the output end of the microprocessor is electrically connected with the control end of the high-frequency half-wave generating circuit; the resonance circuit comprises a receiving inductor, and the transmitting inductor and the receiving inductor of the high-frequency half-wave generating circuit are parallel and opposite; the first end of the receiving inductor is electrically connected with the first electrode layer of the ultrasonic atomization sheet, and the second end of the receiving inductor is electrically connected with the second electrode layer of the ultrasonic atomization sheet.
By means of the structure, the microprocessor outputs PWM waves to the high-frequency half-wave generating circuit, a half-sine oscillating signal is generated on the sending inductor of the high-frequency half-wave generating circuit, and then energy is wirelessly transmitted to the receiving inductor in a coil coupling mode, so that the receiving inductor and the ultrasonic atomization piece are resonated. Because power module is the ultrasonic atomization piece resonant circuit wireless power supply in the ultrasonic atomization ware, therefore on this basis, need not to set up complicated electrode structure in the ultrasonic atomization ware, simplified the structure of ultrasonic atomization ware, the cost is reduced has eliminated the oil leak and the bad contact risk of ultrasonic atomization ware simultaneously, improves the convenience that the user used.
As a preferable mode, the high-frequency half-wave generating circuit further comprises a PWM amplifying circuit and a MOS transistor switching circuit; the output end of the microprocessor is electrically connected with the transmitting inductor through the PWM amplifying circuit and the MOS tube switching circuit in sequence.
The PWM wave output by the microprocessor is amplified by the PWM amplifying circuit and then is output to the MOS tube switching circuit and used for controlling the continuous switching of the MOS tube switching circuit, so that the continuous charging and discharging of the transmitting inductor are realized, and a semi-sinusoidal oscillation signal is generated on the transmitting inductor.
Further, the resonant circuit further comprises a first capacitor connected in series between the receiving inductor and the ultrasonic atomization sheet.
The capacitance value of the first capacitor is small, and the first capacitor is mainly used for reducing or eliminating the interference effect of parasitic capacitors in the ultrasonic atomization sheet, so that the resonance effect is better.
As a preferred mode, the PWM amplifying circuit includes a first resistor, a square wave amplifier, and a second capacitor, and the MOS transistor switching circuit includes a second resistor, a third resistor, and an MOS transistor; the output end of the microprocessor is electrically connected with the input end of the square wave amplifier, the first resistor is connected between the output end of the microprocessor and the ground, the power supply end of the square wave amplifier is grounded through the second capacitor, the output end of the square wave amplifier is electrically connected with the grid electrode of the MOS tube through the second resistor, the third resistor is connected between the grid electrode of the MOS tube and the ground, the source electrode of the MOS tube is grounded, and the drain electrode of the MOS tube is electrically connected with the output end of the power supply module through the sending inductor.
Furthermore, the device also comprises a current acquisition circuit for acquiring the working current between the source electrode of the MOS tube and the ground, and the output end of the current acquisition circuit is electrically connected with the input end of the microprocessor.
The current acquisition circuit is used for acquiring working current and sending the working current to the microprocessor so that the microprocessor adjusts the frequency of the output PWM (pulse-width modulation) wave according to the working current and finally realizes the power adjustment of the ultrasonic atomization piece.
As a preferable mode, the current collection circuit includes a fourth resistor, a fifth resistor, and a third capacitor, the fifth resistor is connected between the source of the MOS transistor and the ground, the source of the MOS transistor is grounded sequentially through the fourth resistor and the third capacitor, and the input terminal of the microprocessor is connected between the fourth resistor and the third capacitor.
Preferably, the power module includes a battery and a boost module, and the battery is electrically connected to the high-frequency half-wave generating circuit through the boost module.
The battery is used for supplying power, the voltage of the battery is boosted to the voltage required by the resonance circuit by the boosting chip in the boosting module, and the power module is good in universality.
Preferably, the battery is a rechargeable battery.
Based on the same inventive concept, the utility model also provides an ultrasonic wave electron cigarette, its structural feature includes ultrasonic atomization piece working circuit.
Compared with the prior art, the utility model can realize the wireless oscillation power supply of the ultrasonic atomization piece, simplify the structure of the ultrasonic atomizer, reduce the product volume and reduce the cost; the oil leakage and the bad contact risk of the ultrasonic atomizer are eliminated, and the use convenience of a user is improved.
Drawings
Fig. 1 is a circuit block diagram according to an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
The ultrasonic atomization device comprises a power module 1, a battery 101, a boosting module 102, a microprocessor 2, a high-frequency half-wave generating circuit 3, a PWM amplifying circuit 301, a MOS transistor switching circuit 302, a resonant circuit 4, a current collecting circuit 5, a square-wave amplifier U1, a transmitting inductor L1, a receiving inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a MOS transistor Q1 and an ultrasonic atomization sheet W.
Detailed Description
As shown in fig. 1 and 2, the working circuit of the ultrasonic atomization sheet in the ultrasonic electronic cigarette includes a power module 1, a microprocessor 2, a high-frequency half-wave generating circuit 3, and a resonant circuit 4, wherein an output end of the power module 1 is electrically connected to the high-frequency half-wave generating circuit 3, an output end of the microprocessor 2 is electrically connected to a control end of the high-frequency half-wave generating circuit 3, the resonant circuit 4 includes a receiving inductor L, a transmitting inductor L of the high-frequency half-wave generating circuit 3 is parallel to and opposite to the receiving inductor L2, a first end of the receiving inductor L is electrically connected to a first electrode layer of the ultrasonic atomization sheet W, and a second end of the receiving inductor L is electrically connected to a second electrode layer of the ultrasonic atomization sheet W, in this embodiment, the model of the microprocessor 2 is ESM8BD 36.
The microprocessor 2 outputs PWM waves to the high-frequency half-wave generating circuit 3, a half-sine oscillation signal is generated on the sending inductor L1 of the high-frequency half-wave generating circuit 3, and then energy is wirelessly transmitted to the receiving inductor L2 in a coil coupling mode, so that the receiving inductor L2 and the ultrasonic atomization sheet W are resonated.
The high-frequency half-wave generating circuit 3 further comprises a PWM amplifying circuit 301 and an MOS tube switching circuit 302, and the output end of the microprocessor 2 is electrically connected with the sending inductor L1 through the PWM amplifying circuit 301 and the MOS tube switching circuit 302 in sequence.
The PWM wave output by the microprocessor 2 is amplified by the PWM amplifying circuit 301, and then output to the MOS switch circuit 302 and used to control the continuous switching of the MOS switch circuit 302, so as to realize the continuous charging and discharging of the transmitting inductor L1, thereby generating a half-sine oscillation signal on the transmitting inductor L1.
The resonant circuit 4 further comprises a first capacitor C1 connected in series between the receiving inductor L2 and the ultrasonic atomization sheet W, and the capacitance value of the first capacitor C1 is smaller, so that the interference effect of parasitic capacitors in the ultrasonic atomization sheet W is reduced or eliminated, and the resonant effect is better.
The PWM amplifying circuit 301 comprises a first resistor R1, a square wave amplifier U1 and a second capacitor C2, the MOS tube switching circuit 302 comprises a second resistor R2, a third resistor R3 and an MOS tube Q1, the output end of the microprocessor 2 is electrically connected with the input end of the square wave amplifier U1, the first resistor R1 is connected between the output end of the microprocessor 2 and the ground, the power supply end of the square wave amplifier U1 is grounded through a second capacitor C2, the output end of the square wave amplifier U1 is electrically connected with the gate of the MOS tube Q1 through a second resistor R2, the third resistor R3 is connected between the gate of the MOS tube Q1 and the ground, the source of the MOS tube Q1 is grounded, and the drain of the MOS tube Q1 is electrically connected with the output end of the power module 1 through a sending inductor L1.
In this embodiment, the square wave amplifier U1 is model SDM 48000.
The ultrasonic atomization plate working circuit further comprises a current acquisition circuit 5 used for acquiring working current between the source electrode of the MOS tube Q1 and the ground, and the output end of the current acquisition circuit 5 is electrically connected with the input end of the microprocessor 2. The current collecting circuit 5 is used for collecting working current and sending to the microprocessor 2, so that the microprocessor 2 adjusts the frequency of the output PWM (pulse-width modulation) wave according to the working current, and finally the power adjustment of the ultrasonic atomization sheet W is realized.
The current acquisition circuit 5 comprises a fourth resistor R4, a fifth resistor R5 and a third capacitor C3, the fifth resistor R5 is connected between the source of the MOS transistor Q1 and the ground, the source of the MOS transistor Q1 is grounded through the fourth resistor R4 and the third capacitor C3 in sequence, and the input end of the microprocessor 2 is connected between the fourth resistor R4 and the third capacitor C3.
The power module 1 comprises a battery 101 and a boost module 102, the battery 101 being electrically connected to the high-frequency half-wave generating circuit 3 through the boost module 102. The power supply module 1 is good in universality because power is supplied by the battery 101 and the voltage of the battery 101 is boosted to the voltage required by the resonant circuit 4 by the boosting chip in the boosting module 102.
The battery 101 is a rechargeable battery, such as a rechargeable lithium battery. Accordingly, the power module 1 further includes a charging circuit and a discharge protection circuit, the structures of which are not shown in the drawings, but do not affect the understanding and implementation of the present invention by those skilled in the art.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (9)
1. An ultrasonic atomization sheet working circuit comprises a power supply module (1) and a microprocessor (2), and is characterized by further comprising a high-frequency half-wave generating circuit (3) and a resonant circuit (4), wherein the output end of the power supply module (1) is electrically connected with the high-frequency half-wave generating circuit (3), the output end of the microprocessor (2) is electrically connected with the control end of the high-frequency half-wave generating circuit (3), the resonant circuit (4) comprises a receiving inductor (L2), a sending inductor (L1) of the high-frequency half-wave generating circuit (3) is parallel to and opposite to the receiving inductor (L2), a first end of the receiving inductor (L2) is electrically connected with a first electrode layer of an ultrasonic atomization sheet (W), and a second end of the receiving inductor (L2) is electrically connected with a second electrode layer of the ultrasonic atomization sheet (W).
2. The working circuit of the ultrasonic atomization plate of claim 1, wherein the high-frequency half-wave generating circuit (3) further comprises a PWM amplifying circuit (301) and a MOS tube switching circuit (302), and the output end of the microprocessor (2) is electrically connected with the sending inductor (L1) through the PWM amplifying circuit (301) and the MOS tube switching circuit (302) in sequence.
3. An ultrasonic atomization plate operating circuit according to claim 1 or 2, characterized in that the resonance circuit (4) further comprises a first capacitor (C1) connected in series between the receiving inductance (L2) and the ultrasonic atomization plate (W).
4. The ultrasonic atomization plate working circuit as claimed in claim 2, wherein the PWM amplification circuit (301) comprises a first resistor (R1), a square wave amplifier (U1), and a second capacitor (C2), the MOS switch circuit (302) comprises a second resistor (R2), a third resistor (R3), and a MOS transistor (Q1), the output terminal of the microprocessor (2) is electrically connected to the input terminal of the square wave amplifier (U1), the first resistor (R1) is connected between the output terminal of the microprocessor (2) and ground, the power terminal of the square wave amplifier (U1) is grounded through the second capacitor (C2), the output terminal of the square wave amplifier (U1) is electrically connected to the gate of the MOS transistor (Q1) through the second resistor (R2), the third resistor (R3) is connected between the gate of the MOS transistor (Q1) and ground, the source of the MOS transistor (Q1) is grounded, and the drain of the MOS transistor (Q1) is electrically connected to the output terminal of the power supply module (Q361) through the sending inductor (L1).
5. The ultrasonic atomization plate working circuit of claim 4, further comprising a current collection circuit (5) for collecting the working current between the source of the MOS tube (Q1) and the ground, wherein the output end of the current collection circuit (5) is electrically connected with the input end of the microprocessor (2).
6. The working circuit of the ultrasonic atomization plate as claimed in claim 5, wherein the current collection circuit (5) comprises a fourth resistor (R4), a fifth resistor (R5) and a third capacitor (C3), the fifth resistor (R5) is connected between the source of the MOS transistor (Q1) and the ground, the source of the MOS transistor (Q1) is sequentially grounded through the fourth resistor (R4) and the third capacitor (C3), and the input end of the microprocessor (2) is connected between the fourth resistor (R4) and the third capacitor (C3).
7. An operating circuit of an ultrasonic atomizing sheet according to claim 1, characterized in that said power module (1) comprises a battery (101) and a boosting module (102), and the battery (101) is electrically connected to the high-frequency half-wave generating circuit (3) through the boosting module (102).
8. An ultrasonic atomization plate operating circuit according to claim 7, wherein the battery (101) is a rechargeable battery.
9. An ultrasonic electronic cigarette, characterized by comprising the ultrasonic atomization sheet working circuit according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921930982.9U CN211065049U (en) | 2019-11-11 | 2019-11-11 | Ultrasonic atomization piece working circuit and ultrasonic electronic cigarette |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921930982.9U CN211065049U (en) | 2019-11-11 | 2019-11-11 | Ultrasonic atomization piece working circuit and ultrasonic electronic cigarette |
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| CN211065049U true CN211065049U (en) | 2020-07-24 |
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| CN201921930982.9U Active CN211065049U (en) | 2019-11-11 | 2019-11-11 | Ultrasonic atomization piece working circuit and ultrasonic electronic cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091179A (en) * | 2021-05-13 | 2021-07-09 | 广州市君卓信息科技有限公司 | Atomization system of wireless frequency direct-drive atomization sheet |
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2019
- 2019-11-11 CN CN201921930982.9U patent/CN211065049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091179A (en) * | 2021-05-13 | 2021-07-09 | 广州市君卓信息科技有限公司 | Atomization system of wireless frequency direct-drive atomization sheet |
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