CN211801792U - Atomizer goes out fog volume control circuit based on gesture response - Google Patents
Atomizer goes out fog volume control circuit based on gesture response Download PDFInfo
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- CN211801792U CN211801792U CN201922247733.6U CN201922247733U CN211801792U CN 211801792 U CN211801792 U CN 211801792U CN 201922247733 U CN201922247733 U CN 201922247733U CN 211801792 U CN211801792 U CN 211801792U
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Abstract
The utility model relates to the technical field of atomizers, and discloses an atomizer fog output control circuit based on gesture induction, which comprises an infrared geminate transistor module and is used for detecting gesture shielding signals; the signal amplification circuit is connected with the infrared geminate transistor module and is used for amplifying the gesture shielding signal; the gesture control unit is connected with the signal amplification circuit and used for generating a corresponding fog output control signal according to the amplified duration information of the gesture shielding signal; the atomizing sheet driving circuit is connected with the gesture control unit and used for generating a driving signal according to the mist output control signal and driving the atomizing sheet to work by utilizing the driving signal; and the voltage stabilizing circuit is respectively connected with the infrared geminate transistor module, the gesture control unit and the atomization sheet driving circuit and is used for carrying out voltage conversion on power supply voltage and outputting working voltage. The utility model discloses can adjust out the fog volume size through the user gesture, it is easy and simple to handle, more humanized.
Description
Technical Field
The utility model belongs to the technical field of the technique of atomizer and specifically relates to an atomizer goes out fog volume control circuit based on gesture response.
Background
At present, the ultrasonic atomizer on the market generally only has a switch function, and can not adjust the fog output. For example, chinese patent No. CN202289114U discloses a portable atomizer, which is provided with a mist outlet, and the mist outlet is designed as a round trumpet-shaped hole, so that the range of the sprayed mist is wide. Therefore, the fog output of the atomizer is fixed, the shape and the size of the fog outlet are designed when the atomizer leaves the factory, and the shape and the size of the fog outlet cannot be changed. In addition, the fog outlet cups with different specifications and sizes can be manually replaced, but the operation is inconvenient, the fog outlet cups with different specifications need to be purchased, and the range of the adjustable fog outlet amount is fixed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an atomizer goes out fog volume control circuit based on gesture response can adjust out fog volume size through the user gesture, and it is easy and simple to handle, more humanized.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a atomizer goes out fog volume control circuit based on gesture response includes: the infrared pair transistor module is used for detecting a gesture shielding signal; the signal amplification circuit is connected with the infrared geminate transistor module and is used for amplifying the gesture shielding signal; the gesture control unit is connected with the signal amplification circuit and used for generating a corresponding fog output control signal according to the amplified duration information of the gesture shielding signal; the atomizing sheet driving circuit is connected with the gesture control unit and used for generating a driving signal according to the mist output control signal and driving the atomizing sheet to work by utilizing the driving signal; and the voltage stabilizing circuit is respectively connected with the infrared geminate transistor module, the signal amplifying circuit and the gesture control unit and is used for carrying out voltage conversion on power supply voltage and outputting working voltage.
By adopting the technical scheme, the gesture of the human body is judged and monitored by utilizing the infrared geminate transistors and the signal amplifying circuit, the mist output of the atomizer is controlled at will according to the stay time of the gesture on the infrared geminate transistors, and the atomizer is simple and convenient to operate and more humanized.
The present invention may be further configured in a preferred embodiment as: the atomization piece driving circuit comprises an inductance boosting unit and an atomization piece, the inductance boosting unit is respectively connected with the PWM output end of the gesture control unit, the power supply voltage output end and the anode of the atomization piece, and the cathode of the atomization piece is grounded.
By adopting the technical scheme, the pulse electric signal capable of driving the atomizing sheet is generated by utilizing the inductance boosting unit.
The present invention may be further configured in a preferred embodiment as: the inductance voltage boosting unit comprises an inductance and an NMOS (N-channel metal oxide semiconductor) tube, the D pole of the NMOS tube is connected with a tap of the inductance, the S pole of the NMOS tube is grounded, the G pole of the NMOS tube is connected with the PWM (pulse width modulation) output end of the gesture control unit, a first resistor is connected between the S pole and the G pole of the NMOS tube, one end of the inductance is connected with the power supply voltage output end, and the other end of the inductance is connected with the anode of the atomization sheet.
The present invention may be further configured in a preferred embodiment as: the inductance boosting unit further comprises a first capacitor, one end of the first capacitor is connected with the power supply voltage output end, and the other end of the first capacitor is grounded.
By adopting the technical scheme, the first capacitor is adopted to carry out filtering processing on the power supply voltage.
The present invention may be further configured in a preferred embodiment as: the infrared geminate transistor module comprises an infrared transmitting module and a photosensitive receiving module, and the infrared transmitting module is connected with the gesture control unit; the gesture control unit controls the infrared emitting module to emit infrared light, and the photosensitive receiving module receives the infrared light and sends the gesture shielding signal to the signal amplifying circuit.
The present invention may be further configured in a preferred embodiment as: the infrared emission module comprises a first triode and an infrared emission tube, the infrared emission tube is connected with the gesture control unit through the first triode, and the gesture control unit controls the infrared emission tube to be switched on or switched off.
The present invention may be further configured in a preferred embodiment as: the photosensitive receiving module comprises a second capacitor, a second resistor and a photosensitive receiving tube; one end of the second resistor is grounded, the other end of the second resistor is connected with the emitter of the photosensitive receiving tube, the collector of the photosensitive receiving tube is connected with the voltage output end of the voltage stabilizing circuit, and the emitter of the photosensitive receiving tube is coupled to the signal amplifying circuit through the second capacitor.
Through adopting above-mentioned technical scheme, infrared light emitting tube outwards launches the infrared light under gesture control unit's control, when user's hand waves or stops in the top of infrared geminate transistors module, the infrared light meets blocking of hand and is reflected the photosensitive receiving tube and receive.
The present invention may be further configured in a preferred embodiment as: the signal amplification circuit comprises a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a second triode; one end of the third resistor is connected with the voltage output end of the voltage stabilizing circuit, the other end of the third resistor is connected with one end of the fourth resistor, and the other end of the fourth resistor is grounded; the first end of the second triode is connected between the third resistor and the fourth resistor, the second end of the second triode is connected with the gesture control unit through the fifth resistor and the sixth resistor respectively, and the third end of the second triode is grounded.
By adopting the technical scheme, the gesture shielding signal received by the photosensitive receiving module is amplified by the signal amplifying circuit, so that the gesture control unit can read the gesture shielding signal.
The present invention may be further configured in a preferred embodiment as: the voltage stabilizing circuit is an LDO voltage stabilizing circuit.
By adopting the technical scheme, the components of the voltage stabilizing circuit can be reduced, the cost is reduced, and the static current is small and the noise is low.
The present invention may be further configured in a preferred embodiment as: the voltage stabilizing circuit comprises a third capacitor, a fourth capacitor and an LDO voltage stabilizer, one end of the third capacitor and a voltage input end of the LDO voltage stabilizer are connected with the power supply voltage output end, one end of the fourth capacitor is connected with a voltage output end of the LDO voltage stabilizer, and the other end of the third capacitor and the other end of the fourth capacitor are all grounded.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the infrared geminate transistors and the signal amplifying circuit are used for judging and monitoring human body gestures, and the fog output of the atomizer is controlled as desired according to the stay time of the gestures on the infrared geminate transistors, so that the operation is simple and convenient, and the operation is more humanized;
2. the infrared light emitting tube emits infrared light outwards under the control of the gesture control unit, and when the hand of a user waves or stops above the infrared geminate transistor module, the infrared light is reflected to the photosensitive receiving tube to be received when meeting the blockage of the hand;
3. the LDO voltage stabilizer can reduce the elements of the voltage stabilizing circuit, reduce the cost, and has small quiescent current and low noise.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic circuit diagram of the infrared pair tube module, the signal amplification circuit and the gesture control unit in this embodiment.
Fig. 3 is a schematic circuit diagram of the atomization sheet drive circuit in the present embodiment.
FIG. 4 is a schematic circuit diagram of the voltage regulator circuit of the present embodiment.
In the figure, the device comprises 10 infrared pair tube modules, 101, infrared transmitting modules, 102, photosensitive receiving modules, 20, a signal amplifying circuit, 30, a gesture control unit, 40, an atomizing sheet driving circuit, 401, an inductance boosting unit, 402, an atomizing sheet, 50 and a voltage stabilizing circuit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, for the embodiment of the utility model discloses an atomizer goes out fog volume control circuit based on gesture response, this atomizer goes out fog volume control circuit and is applied to the atomizer for the play fog volume through the gesture change atomizer, this atomizer goes out fog volume control circuit and includes infrared pair of transistor module 10, signal amplification circuit 20, gesture control unit 30, atomizing piece drive circuit 40 and voltage stabilizing circuit 50, voltage stabilizing circuit 50 is connected with infrared pair of transistor module 10, signal amplification circuit 20 and gesture control unit 30 respectively.
In this embodiment, the gesture control unit 30 includes a single chip microcomputer U2, optionally, the model of the single chip microcomputer U2 is AS275, pin 8 of the single chip microcomputer U2 is grounded, and pin 1 is connected to the voltage output terminal VDD output by the voltage stabilizing circuit 50.
As an optional implementation manner of this embodiment, as shown in fig. 1, the infrared pair transistor module 10 includes an infrared emitting module 101 and a photosensitive receiving module 102, where the infrared emitting module 101 is connected to the gesture control unit 30; the gesture control unit 30 controls the infrared emitting module 101 to emit infrared light, and the photosensitive receiving module 102 receives the infrared light and sends a gesture shielding signal to the signal amplifying circuit 20.
Optionally, the infrared emission module 101 includes a first triode Q2, an infrared emission tube D1, a resistor R2 and a resistor R3, the positive electrode of the infrared emission tube D1 is connected to the power supply voltage VCC after being connected to the resistor R3 in series, the negative electrode of the infrared emission tube D1 is connected to the collector of the first triode Q2, the emitter of the first triode Q2 is grounded, and the base of the first triode Q2 is connected to the pin 6 of the single chip microcomputer U2.
The singlechip U2 outputs a pulse signal through a pin 6 to control the on/off of the infrared emission tube D1, namely when the pin 6 of the singlechip U2 outputs a high level, the triode Q2 is switched on, the resistor R3, the infrared emission tube D1 and the triode Q2 form a current loop, and the PN junction of the infrared emission tube D1 injects current and then continuously excites infrared light outwards; when the pin 6 of the singlechip U2 outputs low level, the triode Q2 is cut off, the infrared emission tube D1 is cut off, and infrared light cannot be excited outwards.
The adjustment resistor R3 can change the emission intensity of the infrared emission tube D1, and the stronger the emission intensity, the more sensitive the infrared pair tube module 10, and the longer the sensing distance.
Optionally, the photosensitive receiving module 102 includes a second capacitor C4, a second resistor R4, and a photosensitive receiving tube OPTO; one end of the second resistor R4 is grounded, the other end of the second resistor R4 is connected to the emitter of the photosensitive receiver tube OPTO, the collector of the photosensitive receiver tube OPTO is connected to the voltage output terminal VDD outputted by the voltage stabilizing circuit 50, and the emitter of the photosensitive receiver tube OPTO is coupled to the signal amplifying circuit 20 through the first capacitor C4.
As an alternative implementation manner of this embodiment, as shown in fig. 2, the signal amplifying circuit 20 includes a third resistor R5, a fourth resistor R6, a fifth resistor R7, a sixth resistor R8, and a second transistor Q3; one end of the third resistor R5 is connected with the voltage output end VDD of the voltage stabilizing circuit 50, the other end of the third resistor R5 is connected with one end of the fourth resistor R6, and the other end of the fourth resistor R6 is grounded; the base electrode of the second triode Q3 is connected between the third resistor R5 and the fourth resistor R6, the collector electrode of the second triode Q3 is divided into two paths, one path is connected with the voltage output end VDD output by the voltage stabilizing circuit 50 through the fifth resistor R7, the other path is connected with the 4-pin of the singlechip U2 through the sixth resistor R8, and the emitter electrode of the second triode Q3 is grounded. The resistors R5 and R6 provide a bias voltage to control the on/off of the second transistor Q3.
As an optional implementation manner of this embodiment, as shown in fig. 3, each atomization sheet driving circuit 40 includes an inductance boosting unit 401 and an atomization sheet 402, the inductance boosting unit 401 is respectively connected to the PWM output terminal of the atomization sheet driving circuit 40, the power supply voltage output terminal VCC, and the positive electrode of the atomization sheet 402, and the negative electrode of the atomization sheet 402 is grounded.
Optionally, the inductor boosting unit 401 includes an inductor L1 and an NMOS transistor Q1, a D pole of the NMOS transistor Q1 is connected to a tap of the inductor L1, an S pole of the NMOS transistor Q1 is grounded, a G pole of the NMOS transistor Q1 is connected to a pin 3 (OUT pin) of the single chip microcomputer U2, a first resistor R1 is connected between the S pole and the G pole of the NMOS transistor Q1, one end of the inductor L1 is connected to the power supply voltage output terminal VCC, and the other end of the inductor L1 is connected to the anode of the atomizing sheet 402. The single chip microcomputer U2 shields signals according to received gestures and outputs PWM signals outwards through an OUT pin, when the OUT pin is high, an NMOS tube Q1 is conducted, and the voltage of a D electrode of the NMOS tube Q1 is 0; when the OUT pin is high, the voltage of the D electrode of the NMOS tube Q1 is twice VCC; when the voltage of the OUT pin is switched all the time, the D pole of the NMOS tube Q1 generates a pulse vibration electric signal, and the pulse electric signal generates mechanical vibration on the atomizing plate 402 by utilizing the ceramic inverse piezoelectric effect of the atomizing plate 402, so that the liquid water molecule structure is scattered to form free water mist. The higher the frequency of the PWM signal output by the singlechip U2, the higher the frequency of the pulse electric signal generated by the D pole of the NMOS tube Q1, and the higher the mechanical vibration frequency generated by the atomizing sheet 402, so the larger the amount of formed water mist; otherwise, the smaller the mist output is.
Further, the inductive boost unit 401 further includes a first capacitor C3, one end of the first capacitor C3 is connected to the power supply voltage output terminal VCC, and the other end of the first capacitor C3 is grounded. The first capacitor C3 acts as a filter.
As an alternative embodiment of this embodiment, as shown in fig. 4, the regulator 50 is an LDO regulator, and regulates the power supply voltage VCC to provide a stable operating voltage VDD for each circuit, so that the whole circuit system can keep operating normally and effectively. This voltage stabilizing circuit 50 includes third electric capacity C1, fourth electric capacity C2 and LDO stabiliser U1, the one end of third electric capacity C1, LDO stabiliser U1's Vin foot all are connected with mains voltage output VCC, the Vout foot of LDO stabiliser U1 is connected to fourth electric capacity C2's one end, the GND foot of LDO stabiliser U1, the other end of third electric capacity C1, the other end of fourth electric capacity C2 all grounds. Optionally, the LDO regulator U1 employs a linear regulator chip AS7125 or AS 7133.
The implementation principle of the embodiment is as follows: when the system is powered on, the 6-pin IO port FS of the singlechip U2 can output a pulse signal all the time, the triode Q2 is controlled to be opened and closed all the time in a circulating mode, the infrared emission tube D1 is also connected and closed all the time in a circulating mode, and the infrared emission tube D1 emits infrared light discontinuously.
When no human hand is shielded above the infrared pair tube module 10, the infrared receiving tube OPTO cannot receive infrared light or very weak infrared light, and at this time, the 4 feet of the single chip microcomputer U2 are always at a high level.
When a hand of a human body waves or stays above the infrared pair tube module 10, infrared light excited by the infrared transmitting tube D1 meets the blockage of the hand and is reflected back to be received by the photosensitive receiving tube OPTO, the infrared receiving tube OPTO receives a square wave pulse signal, the square wave pulse signal is amplified by the signal amplifying circuit 20 and then enters the 4 feet of the single chip microcomputer U2, and the square wave signal, namely the gesture shielding signal, is received by the 4 feet of the single chip microcomputer U2.
The singlechip U2 controls an OUT pin (3 pin) to output PWM signals with different frequencies according to the time length of the received square wave signal, and then the D pole of the NMOS tube Q1 generates a pulse electric signal to drive the atomizing plate 402 to work to form water mist.
For example: when a user swings the infrared pair tube module 10 for the first time, the single chip microcomputer U2 judges that the atomizer is in a starting mode at the moment according to the duration (ms level) of the square wave signals received by the 4 pins, controls the 3 pins to output a PWM signal corresponding to the preset default fog output amount, and enables the atomizer to generate water mist with the default fog output amount.
When the user swings the infrared pair tube module 10 again, the single chip microcomputer U2 judges that the atomizer should be in the shutdown mode at this time according to the duration (ms level) of the square wave signal received by the 4 pins, and controls the 3 pins to stop outputting the PWM signal, so that the atomizing plate 402 stops working, and the atomizer does not generate water mist.
When the hand stays on the infrared pair tube module 10 for more than 2 seconds, the atomizer is in the mist amount adjustment mode. If the residence time is 2 to 3 seconds, the atomizer is in a fog output increasing mode, the singlechip U2 controls the 3 pins to output PWM signals with higher frequency than the current frequency, and the fog output of the atomizer is increased; if the residence time is more than 3 seconds, the atomizer is in a fog output reduction mode, the singlechip U2 controls the 3 pins to output PWM signals with lower frequency than the current frequency, and the fog output of the atomizer is reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A atomizer goes out fog volume control circuit based on gesture response, characterized by, includes:
the infrared pair transistor module (10) is used for detecting a gesture shielding signal;
the signal amplification circuit (20) is connected with the infrared geminate transistor module (10) and is used for amplifying the gesture shielding signal;
the gesture control unit (30) is connected with the signal amplification circuit (20) and used for generating a corresponding fog output control signal according to the duration information of the amplified gesture shielding signal;
the atomizing sheet driving circuit (40) is connected with the gesture control unit (30) and is used for generating a driving signal according to the fog output control signal and driving the atomizing sheet (402) to work by utilizing the driving signal;
and the voltage stabilizing circuit (50) is respectively connected with the infrared pair transistor module (10), the signal amplifying circuit (20) and the gesture control unit (30) and is used for performing voltage conversion on power supply voltage and outputting working voltage.
2. The atomizer fog output control circuit based on gesture induction of claim 1, wherein the atomization sheet driving circuit (40) comprises an inductance boosting unit (401) and the atomization sheet (402), the inductance boosting unit (401) is respectively connected with the PWM output end of the gesture control unit (30), the power supply voltage output end and the anode of the atomization sheet (402), and the cathode of the atomization sheet (402) is grounded.
3. The atomizer fog output control circuit based on gesture induction of claim 2, wherein the inductance voltage boosting unit (401) comprises an inductance and an NMOS tube, the D pole of the NMOS tube is connected with a tap of the inductance, the S pole of the NMOS tube is grounded, the G pole of the NMOS tube is connected with the PWM output end of the gesture control unit (30), a first resistor is connected between the S pole and the G pole of the NMOS tube, one end of the inductance is connected with the power supply voltage output end, and the other end of the inductance is connected with the positive pole of the atomizing sheet (402).
4. The atomizer fog output control circuit based on gesture induction of claim 2 or 3, characterized in that the inductance boosting unit (401) further comprises a first capacitor, one end of the first capacitor is connected with the power voltage output terminal, and the other end of the first capacitor is grounded.
5. The atomizer fog output control circuit based on gesture sensing of any one of claims 1 to 3, characterized in that the infrared pair of transistor module (10) comprises an infrared transmitting module (101) and a photosensitive receiving module (102), the infrared transmitting module (101) is connected with the gesture control unit (30); the gesture control unit (30) controls the infrared emitting module (101) to emit infrared light, and the photosensitive receiving module (102) receives the infrared light and sends the gesture shielding signal to the signal amplifying circuit (20).
6. The atomizer fog output control circuit based on gesture induction of claim 5, characterized in that the infrared emission module (101) comprises a first triode and an infrared emission tube, the infrared emission tube is connected with the gesture control unit (30) through the first triode, and the gesture control unit (30) controls the infrared emission tube to be turned on or off.
7. The atomizer fog output control circuit based on gesture induction of claim 6 wherein the photosensitive receiving module (102) comprises a second capacitor, a second resistor and a photosensitive receiving tube; one end of the second resistor is grounded, the other end of the second resistor is connected with the emitter of the photosensitive receiving tube, the collector of the photosensitive receiving tube is connected with the voltage output end of the voltage stabilizing circuit (50), and the emitter of the photosensitive receiving tube is coupled to the signal amplifying circuit (20) through the second capacitor.
8. The atomizer fog output control circuit based on gesture induction according to any one of claims 1 to 3, 6 and 7, characterized in that the signal amplification circuit (20) comprises a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a second triode; one end of the third resistor is connected with the voltage output end of the voltage stabilizing circuit (50), the other end of the third resistor is connected with one end of the fourth resistor, and the other end of the fourth resistor is grounded; the first end of the second triode is connected between the third resistor and the fourth resistor, the second end of the second triode is connected with the gesture control unit (30) through the fifth resistor and the sixth resistor respectively, and the third end of the second triode is grounded.
9. The gesture-sensing-based atomizer fog output control circuit according to any one of claims 1 to 3, 6, and 7, characterized in that the regulator circuit (50) is an LDO regulator circuit.
10. The fog output control circuit of the atomizer based on gesture sensing of claim 9, wherein the voltage stabilizing circuit (50) comprises a third capacitor, a fourth capacitor and an LDO regulator, one end of the third capacitor and a voltage input end of the LDO regulator are both connected to the power voltage output end, one end of the fourth capacitor is connected to the voltage output end of the LDO regulator, and the other end of the third capacitor and the other end of the fourth capacitor are both grounded.
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| CN201922247733.6U CN211801792U (en) | 2019-12-14 | 2019-12-14 | Atomizer goes out fog volume control circuit based on gesture response |
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| CN201922247733.6U CN211801792U (en) | 2019-12-14 | 2019-12-14 | Atomizer goes out fog volume control circuit based on gesture response |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041346A (en) * | 2022-07-05 | 2022-09-13 | 宁波市盈芯微电子科技有限公司 | Atomization equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041346A (en) * | 2022-07-05 | 2022-09-13 | 宁波市盈芯微电子科技有限公司 | Atomization equipment |
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