CN215983126U - Piezoelectric ceramic micropore atomization sheet driving circuit capable of timing - Google Patents

Abstract

The utility model relates to the technical field of piezoelectric ceramic micropore atomization sheet driving, in particular to a piezoelectric ceramic micropore atomization sheet driving circuit capable of timing, which comprises an ultrasonic oscillation circuit, a switch circuit and a timing control circuit, wherein the ultrasonic oscillation circuit comprises an MOS (metal oxide semiconductor) tube, a three-pin boosting inductor L1 and a piezoelectric ceramic micropore atomization sheet Y1. The time of automatic power-off of the piezoelectric ceramic microporous atomization sheet Y1 is controlled through the timing interface TPORP, when the timing interface TPORP is in a positive level, the piezoelectric ceramic microporous atomization sheet Y1 sprays for 5 minutes at fixed time, the power is automatically off after 5 minutes, and when the timing interface TPORP is in a negative level, the piezoelectric ceramic microporous atomization sheet Y1 is automatically powered off after 4 hours.

Description

Piezoelectric ceramic micropore atomization sheet driving circuit capable of timing

Technical Field

The utility model relates to the technical field of piezoelectric ceramic micropore atomization sheet driving, in particular to a piezoelectric ceramic micropore atomization sheet driving circuit capable of timing.

Background

When the air is very dry, the skin cracks, the air wettability needs to be increased, a humid environment needs to be maintained for improvement, and a water supplementing instrument is the best choice. The ultrasonic water supplementing instrument mainly adopts the high-frequency vibration of the piezoelectric ceramic micropore atomization sheet to enable water in the water supplementing instrument to be thrown away from the water surface to generate elegant water mist, and the purpose of humidification is achieved.

Chinese patent publication No. CN213043459U discloses a moisturizing appearance control circuit and moisturizing appearance, moisturizing appearance control circuit include ultrasonic vibration part, power supply management part and switch, ultrasonic vibration part all are connected with power supply management part, wherein: the ultrasonic oscillation part comprises a three-pin boosting inductor T1 and a piezoelectric ceramic micropore atomization sheet Y1, the piezoelectric ceramic micropore atomization sheet Y1 is connected between a second pin and a third pin of the three-pin boosting inductor T1, the first pin and the second pin of the three-pin boosting inductor T1 are both connected with the power supply management part, the whole circuit design is simplified compared with the prior art, the installation space of an atomizer circuit board is saved by using fewer electric elements, the product cost of a control circuit is reduced, and more possibilities are provided for other structural designs of the water supplement instrument.

However, the piezoelectric ceramic microporous atomizing sheet Y1 cannot be timed, so that the power cannot be automatically cut off when the piezoelectric ceramic microporous atomizing sheet Y1 is used at night, and the air is not particularly dry at night and cannot be automatically cut off, which undoubtedly increases the energy consumption when the piezoelectric ceramic microporous atomizing sheet Y1 is used at night.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a piezoelectric ceramic micropore atomization sheet driving circuit capable of timing, which controls the automatic power-off time of a piezoelectric ceramic micropore atomization sheet Y1 through a timing interface TPORP, when the timing interface TPORP is connected with a positive level, the piezoelectric ceramic micropore atomization sheet Y1 sprays for 5 minutes at regular time, the power is automatically off after 5 minutes, and when the timing interface TPORP is connected with a negative electrode, the piezoelectric ceramic micropore atomization sheet Y1 is automatically powered off after 4 hours; the problem that automatic power failure cannot be achieved and energy consumption is increased when the electric vehicle is used at night in the background technology is solved.

In order to achieve the above object, the present invention provides a driving circuit for a piezoelectric ceramic microporous atomizing sheet capable of timing, which includes an ultrasonic oscillator circuit, a switch circuit and a timing control circuit, wherein the ultrasonic oscillator circuit includes a MOS transistor Q1, an output terminal of the timing control circuit is connected to input terminals of the ultrasonic oscillator circuit and the switch circuit, wherein:

the ultrasonic oscillation circuit further comprises a three-pin boosting inductor L1 and a piezoelectric ceramic micropore atomization sheet Y1, the three-pin boosting inductor L1 comprises a first pin, a second pin and a third pin, and the piezoelectric ceramic micropore atomization sheet Y1 is connected between the first pin and the second pin of the three-pin boosting inductor L1; the third pin is connected with a timing control circuit, and the timing control circuit is used for controlling the whole circuit to automatically power off according to time.

As a further improvement of the present technical solution, the switch circuit includes a switch S1, one end of the switch S1 is connected to the KEY end of the control chip U1, and the other end is grounded.

As a further improvement of the technical scheme, the timing control circuit comprises a timing interface TPORP, a control chip U1, a capacitor C1 and a power supply, wherein:

the VCC end of the control chip U1 is connected with a power supply, the GND end of the control chip U1 is grounded, the third pin is connected with the BAT end of the control chip U1, the output end of the power supply is further connected with one end of a capacitor C1, the other end of the capacitor C1 is grounded, and the timing interface TPORP is connected with the TIME end of the control chip U1.

As a further improvement of the present technical solution, a second pin of the three-pin boost inductor L1 is connected to a positive electrode of a power supply.

As a further improvement of the technical scheme, the input end of the piezoelectric ceramic microporous atomization sheet Y1 is connected with one end of an MOS tube Q1, the other end of the MOS tube Q1 is grounded, and the HP end of the control chip U1 is connected with the input end of an MOS tube Q1.

As a further improvement of the present technical solution, the display device further comprises an indication circuit, the indication circuit comprises diodes D1 and D2, wherein:

the diodes D1 and D2 are connected in parallel, the input end of the diode D1 is connected with the CLED end of the control chip U1, and the input end of the diode D2 is connected with the WLED end of the control chip U1.

As a further improvement of the technical solution, the diode D1 adopts a red LED lamp, and the diode D2 adopts a blue LED lamp.

Compared with the prior art, the utility model has the beneficial effects that:

among this piezoceramics micropore atomization piece drive circuit that can be regularly, time to piezoceramics micropore atomization piece Y1 auto-power-off is controlled through timing interface TPORP, when timing interface TPORP connects the positive grade, piezoceramics micropore atomization piece Y1 regularly sprays 5 minutes, auto-power-off after 5 minutes, piezoceramics micropore atomization piece Y1 auto-power-off after 4 hours when connecing the negative pole, thereby the unable auto-power-off's of piezoceramics micropore atomization piece Y1 problem has been solved, improve the practicality of using at night.

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 structures shown in the drawings without creative efforts.

FIG. 1 is a block diagram of an overall circuit module of a driving circuit of a piezoelectric ceramic microporous atomizing sheet capable of timing according to the present invention;

FIG. 2 is a schematic diagram of a circuit of a driving circuit of a piezoelectric ceramic microporous atomization sheet capable of timing according to the present invention.

In the figure:

100. an ultrasonic oscillation circuit;

200. a switching circuit;

300. a timing control circuit;

400. an indication circuit.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 and fig. 2, the present invention provides a piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing, which includes an ultrasonic oscillator circuit 100, a switch circuit 200 and a timing control circuit 300, wherein the ultrasonic oscillator circuit 100 includes a MOS transistor Q1, an output terminal of the timing control circuit 300 is connected to input terminals of the ultrasonic oscillator circuit 100 and the switch circuit 200, and wherein:

the ultrasonic oscillation circuit 100 further comprises a three-pin boosting inductor L1 and a piezoelectric ceramic microporous atomization sheet Y1, wherein the three-pin boosting inductor L1 comprises a first pin, a second pin and a third pin, and the piezoelectric ceramic microporous atomization sheet Y1 is connected between the first pin and the second pin of the three-pin boosting inductor L1; the third pin is connected to the timing control circuit 300, and the timing control circuit 300 is used to control the whole circuit to automatically power off according to time.

In this embodiment, the switch circuit 200 includes a switch S1, one end of the switch S1 is connected to the KEY end of the control chip U1, the other end is grounded, the on-off control of the control chip U1 is performed through the switch S1, the control chip U1 is powered on when the switch S1 is closed, and the control chip U1 is powered off when the switch S1 is opened.

When this embodiment specifically uses, be secondary coil between the third pin of tripod boost inductance L1 and the second pin, second pin and the first pin, the primary coil turn is less than the secondary coil turn to boost the 5V voltage that the power provided through tripod boost inductance L1, for piezoceramics micropore atomizing piece Y1 provides operating voltage, realize the atomizing to water.

Specifically, the timing control circuit 300 includes a timing interface TPORP, a control chip U1, a capacitor C1, and a power supply, wherein: the VCC end of the control chip U1 is connected with the power supply, the GND end of the control chip U1 is grounded, the third pin is connected with the BAT end of the control chip U1, the output end of the power supply is further connected with one end of a capacitor C1, the other end of the capacitor C1 is grounded, and the timing interface TPORP is connected with the TIME end of the control chip U1.

It should be noted that the second pin of the three-pin boost inductor L1 is connected to the positive terminal of the power supply.

When the timing interface TPORP is connected with the positive level, the piezoelectric ceramic microporous atomization sheet Y1 sprays for 5 minutes at fixed time, and automatically cuts off the power after 5 minutes, and the piezoelectric ceramic microporous atomization sheet Y1 automatically cuts off the power after 4 hours when the timing interface TPORP is connected with the negative level.

In addition, the input end of the piezoelectric ceramic microporous atomizing sheet Y1 is connected with one end of a MOS tube Q1(N type), the other end of the MOS tube Q1(N type) is grounded, the HP end of the control chip U1 is connected with the input end of a MOS tube Q1(N type), and the piezoelectric ceramic microporous atomizing sheet Y1 can be driven normally by taking the MOS tube Q1(N type) as the driving load of the piezoelectric ceramic microporous atomizing sheet Y1.

Besides, an indication circuit 400 is further included, the indication circuit 400 including diodes D1, D2, wherein:

the diodes D1 and D2 are connected in parallel, the input end of the diode D1 is connected with the CLED end of the control chip U1, and the input end of the diode D2 is connected with the WLED end of the control chip U1.

Specifically, the diode D1 is a red LED lamp tube, and the diode D2 is a blue LED lamp tube, so that the timed spraying of the piezoelectric ceramic microporous atomizing sheet Y1 for 5 minutes and the timed spraying of the piezoelectric ceramic microporous atomizing sheet Y1 for 4 hours are displayed by the lighting of the diodes D1 and D2, if the blue LED lamp tube is lighted, the timed spraying of the piezoelectric ceramic microporous atomizing sheet Y1 for 5 minutes is represented, and otherwise, the timed spraying of the piezoelectric ceramic microporous atomizing sheet Y1 for 4 hours is represented by the lighting of the red LED lamp tube.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a piezoelectric ceramic micropore atomizing piece drive circuit that can be regularly which characterized in that: including ultrasonic oscillation circuit (100), switch circuit (200) and timing control circuit (300), ultrasonic oscillation circuit (100) includes MOS pipe Q1, the output of timing control circuit (300) is connected with the input of ultrasonic oscillation circuit (100), switch circuit (200), wherein:

the ultrasonic oscillation circuit (100) further comprises a three-pin boosting inductor L1 and a piezoelectric ceramic micropore atomization sheet Y1, the three-pin boosting inductor L1 comprises a first pin, a second pin and a third pin, and the piezoelectric ceramic micropore atomization sheet Y1 is connected between the first pin and the second pin of the three-pin boosting inductor L1; the third pin is connected with a timing control circuit (300), and the timing control circuit (300) is used for controlling the whole circuit to automatically power off according to time.

2. The piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing as claimed in claim 1, is characterized in that: the timing control circuit (300) comprises a timing interface TPORP, a control chip U1, a capacitor C1 and a power supply, wherein:

the VCC end of the control chip U1 is connected with a power supply, the GND end of the control chip U1 is grounded, the third pin is connected with the BAT end of the control chip U1, the output end of the power supply is further connected with one end of a capacitor C1, the other end of the capacitor C1 is grounded, and the timing interface TPORP is connected with the TIME end of the control chip U1.

3. The piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing as claimed in claim 2, is characterized in that: the switch circuit (200) comprises a switch S1, one end of the switch S1 is connected with the KEY end of the control chip U1, and the other end of the switch S1 is grounded.

4. The piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing as claimed in claim 2, is characterized in that: and the second pin of the three-pin boosting inductor L1 is connected with the positive electrode of the power supply.

5. The piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing as claimed in claim 2, is characterized in that: the input end of piezoceramics micropore atomizing piece Y1 is connected with MOS pipe Q1's one end, and MOS pipe Q1's the other end ground connection, control chip U1's PH end is connected with MOS pipe Q1's input.

6. The piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing as claimed in claim 2, is characterized in that: further comprising an indication circuit (400), the indication circuit (400) comprising diodes D1, D2, wherein:

the diodes D1 and D2 are connected in parallel, the input end of the diode D1 is connected with the CLED end of the control chip U1, and the input end of the diode D2 is connected with the WLED end of the control chip U1.

7. The piezoelectric ceramic microporous atomizing sheet driving circuit capable of timing as claimed in claim 6, is characterized in that: the diode D1 adopts a red LED lamp tube, and the diode D2 adopts a blue LED lamp tube.

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