Wireless charging high-temperature protection humidifier atomization driving circuit

Abstract

The utility model relates to the technical field of atomizers, in particular to a wireless charging high-temperature protection humidifier atomization driving circuit power supply and an atomizer. The wireless charger is used for driving the atomizer to work; the input power supply comprises an AC (Alternating Current) 220V voltage, a rectifier bridge 1B4B42 and a transformer T1; after the AC 220V voltage is rectified by the rectifier bridge 1B4B42, the DC 12V voltage is output by the transformer T1; wherein the transformer T1 comprises a first input winding and a first output winding; the first input winding is electrically connected with the output end of the rectifier bridge 1B4B42, and the first output winding is arranged corresponding to the first input winding; the first voltage stabilizing circuit comprises a voltage stabilizing tube D4, a filter capacitor C4, a filter inductor L1 and a filter capacitor C5; and the input end of the voltage-regulator tube D4 is electrically connected with one end of the first output winding.

Description

TECHNICAL FIELD

[0001] The utility model relates to atomizer technical field, concretely is a wireless charging high temperature protection humidifier atomization drive circuit. BACKGROUND

[0002] Humidifier atomization is the process that water is converted into small water mist particles through specific technology, thereby increasing air humidity, however, the switch power supply mode is used before the humidifier is charged, but with the continuous development of science and technology, the wireless charging mode is currently used for power supply, but the output voltage is unstable when power supply is used in this way, which will cause abnormal heating when the wireless charging supplies power to the humidifier, thereby causing abnormal humidifier atomization drive. SUMMARY

[0003] The utility model provides a wireless charging high temperature protection humidifier atomization drive circuit to solve above -mentioned problem.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A wireless charging high temperature protection humidifier atomization drive circuit, comprising:

[0006] Atomizer;

[0007] Wireless charging, the wireless charging is used to drive atomizer work;

[0008] Input power supply, the input power supply includes AC 220V voltage, rectifier bridge 1B4B42, transformer T1;The AC 220V voltage is rectified through rectifier bridge 1B4B42 again, and DC 12V is outputted through transformer T1;Wherein, the transformer T1 includes first input winding, first output winding;The first input winding is electrically connected with the output end of rectifier bridge 1B4B42, and the first output winding is arranged corresponding to the first input winding;

[0009] First voltage stabilizing circuit, the voltage stabilizing circuit includes stabilivolt D4, filter capacitor C4, filter inductor L1, filter capacitor C5;The input end of stabilivolt D4 is electrically connected with one end of first output winding, and the output end of stabilivolt D4 is respectively connected with one end of filter capacitor C1, filter inductor L1 and one end of filter capacitor C5 and exports one input end of the wireless charging;The other end of first output winding is electrically connected with the other input end of the wireless charging after passing through the other end of filter capacitor C1 and the other end of filter capacitor C5 respectively.

[0010] As the preferred scheme of the utility model, the transformer T1 still includes second input winding, second output winding, one end of the second input winding is connected with one end of the first input winding, the other end of the second input winding is connected with one end of the rectifier bridge 1B4B42, the other end of the first input winding is connected with the other end of the rectifier bridge 1B4B42, the second output winding is correspondingly arranged with the first output winding.

[0011] As the preferred scheme of the utility model, the wireless charging high-temperature protection humidifier atomization drive circuit still includes voltage regulating circuit, the voltage regulating circuit includes sampling circuit, first voltage stabilizing switch circuit, the sampling circuit includes resistance R4, resistance R5, capacitor C11, one end of resistance R4, one end of resistance R5 are connected with one end of wireless charger electrically, first voltage stabilizing switch circuit includes resistance R6, voltage stabilizing tube TL431 CP, photoelectric coupler SFH617A-3, capacitor C10, diode D3, the other end of resistance R4 is connected with one input end of photoelectric coupler SFH617A-3 electrically, the other end of resistance R4 is connected with one end of capacitor C11, control end of voltage stabilizing tube TL431 CP, one end of resistance R6 electrically respectively, the other end of resistance is connected with anode of voltage stabilizing tube TL431 CP, and ground, the other end of capacitor C11 is connected with cathode of voltage stabilizing tube TL431 CP, the other input end of photoelectric coupler SFH617A-3 electrically respectively, one end of capacitor C10 is connected with one end of second output winding electrically, anode of diode D3 is connected with the other end of second output winding electrically, the other end of capacitor C10, cathode of diode D3 are all connected with one output end of photoelectric coupler SFH617A-3 electrically.

[0012] As the preferred scheme of the utility model, the voltage regulating circuit still includes second switch circuit, the second switch circuit includes resistance R2, capacitor C9, capacitor C8, field effect tube Q1, one end of resistance R2, one end of capacitor C8, G pole of field effect tube Q1 are all connected with the other output end of SFH617A-3 electrically, the other end of resistance R2 is grounded through capacitor C9, the other end of capacitor C8, S pole of field effect tube Q1 are all grounded.

[0013] As the preferred scheme of the utility model, the voltage regulating circuit still includes voltage adjustment circuit, the voltage adjustment circuit includes resistance R1, capacitor C2, diode D2, capacitor C7, anode of diode D2 is connected with one end of second input winding, D pole of field effect tube Q1 electrically respectively, the anode of diode D2 is also grounded through capacitor C7, cathode of diode D2 is connected with one end of first input winding electrically through resistance R1, capacitor C2 is connected in parallel at both ends of resistance R1.

[0014] As the preferred scheme of the utility model, the resistance R1 is set to 100KΩ, and the capacitor C2 is set to 2200pF.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] (1), in the utility model, when the AC 220V voltage is rectified by the rectifier bridge 1B4B42, then is rectified by the first input winding and the first output winding of transformer T1, the DC 24V voltage is output by the first output winding, then the voltage is stabilized by the voltage stabilizing tube D4, and is filtered by the filter capacitor C4, the filter inductor L1 and the filter capacitor C5, so that the DC 24V becomes stable, and is output to wireless charging, then the wireless charging is used to drive the atomizer to work, the voltage output of the wireless charging is stabilized by the voltage stabilizing tube D4, so that the influence of unstable output voltage on the humidifier atomization is avoided.

[0017] (2), in the utility model, when the wireless charging output voltage rises, then the voltage sampling is carried out by the resistance R4 and the resistance R5, when the voltage of the input end of the photoelectric coupler SFH617A-3 reaches the conduction value, then the photoelectric coupler SFH617A-3 is closed, the field effect tube Q1 is turned on, and a loop is formed with the resistance R1 and the capacitor C2, then the voltage is divided by the resistance R1, so that the first input winding voltage becomes, so as to adjust the input voltage and the output voltage of the wireless charging, the voltage of the humidifier atomization is stabilized by the above-mentioned circuit design when the voltage of the humidifier atomization is abnormal. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the utility model circuit working principle diagram. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Embodiment, please refer to Figure 1 The utility model provides a kind of technical scheme:

[0021] Atomizer;

[0022] Wireless charging, the wireless charging is used to drive atomizer to work;

[0023] An input power supply, the input power supply includes AC 220V voltage, rectifier bridge 1B4B42, transformer T1;The AC 220V voltage is rectified by rectifier bridge 1B4B42, and then DC 12V is output by transformer T1;Wherein, the transformer T1 includes a first input winding, a first output winding;The first input winding is electrically connected with the output end of the rectifier bridge 1B4B42, and the first output winding is provided corresponding to the first input winding;

[0024] A first voltage stabilizing circuit, the voltage stabilizing circuit includes a voltage stabilizing tube D4, a filter capacitor C4, a filter inductor L1, a filter capacitor C5;The input end of the voltage stabilizing tube D4 is electrically connected with one end of the first output winding, and the output end of the voltage stabilizing tube D4 is respectively connected with one end of the wireless charging input end through the filter capacitor C1, the filter inductor L1 and the filter capacitor C5;The other end of the first output winding is electrically connected with the other input end of the wireless charging through the other end of the filter capacitor C1 and the other end of the filter capacitor C5;

[0025] Wherein, when the AC 220V voltage is rectified by the rectifier bridge 1B4B42, and then the first input winding and the first output winding of the transformer T1 are transformed, the DC 24V voltage is output through the first output winding, and then the voltage is stabilized through the voltage stabilizing tube D4, and the filter capacitor C4, the filter inductor L1 and the filter capacitor C5 are filtered to make the DC 24V stable, and output to the wireless charging, and then the wireless charging is used to drive the atomizer to work, and the voltage output of the wireless charging is stabilized through the voltage stabilizing tube D4, so that the influence of unstable output voltage on the humidifier atomization is avoided.

[0026] Referring to Figure 1 In the embodiment, the transformer T1 further includes a second input winding and a second output winding;One end of the second input winding is electrically connected with one end of the first input winding, the other end of the second input winding is electrically connected with one end of the rectifier bridge 1B4B42, the other end of the first input winding is electrically connected with the other end of the rectifier bridge 1B4B42;The second output winding is provided corresponding to the first output winding;

[0027] Specifically, the transformer T1 designs the second input winding and the second output winding to provide a loop for the connection of the subsequent circuit.

[0028] Referring to Figure 1In the embodiment, the wireless charging high-temperature protection humidifier atomization driving circuit further comprises a voltage regulating circuit, and the voltage regulating circuit comprises a resistor R1, a capacitor C2, a diode D2 and a capacitor C7; an anode of the diode D2 is electrically connected with one end of a second input winding and a D electrode of a field effect transistor Q1 respectively, and the anode of the diode D2 is further grounded through the capacitor C7; a cathode of the diode D2 is electrically connected with one end of a first input winding through the resistor R1; and the capacitor C2 is connected in parallel across the resistor R1.

[0029] When the wireless charging output voltage rises, voltage sampling is performed through the resistor R4 and the resistor R5, and when the voltage of one input end of the photoelectric coupler SFH617A-3 reaches the conduction value, the photoelectric coupler SFH617A-3 is closed, the field effect transistor Q1 is turned on, and a loop is formed with the resistor R1 and the capacitor C2, then voltage division is performed through the resistor R1, so that the voltage of the first input winding changes, thereby adjusting the input voltage and the output voltage of the wireless charging; and such a design can regulate the voltage when the voltage of the humidifier atomization is abnormal, so that the voltage of the humidifier atomization becomes stable.

[0030] Referring toFigure 1 In the embodiment, the resistance R1 is set to 100KΩ, and the capacitance C2 is set to 2200pF.

[0031] The resistance R1 is set to 100KΩ, and the capacitance C2 is set to 2200pF.

[0032] The beneficial effects of the utility model are as follows:

[0033] (1), in the utility model, when AC 220V voltage rectifies through rectifier bridge 1B4B42, then through the first input winding and the first output winding of transformer T1 voltage transformation, the first output winding outputs DC 24V voltage, then through voltage stabilizing tube D4 voltage stabilizing, and through filter capacitor C4, filter inductor L1, filter capacitor C5 filtering to make DC 24V become stable, and output to wireless charging, then wireless charging is used to drive the atomizer to work;

[0034] (2), in the utility model, when wireless charging output voltage rises, then through resistance R4, resistance R5 voltage sampling, when the voltage of the input end of photoelectric coupler SFH617A-3 reaches the conduction value, then photoelectric coupler SFH617A-3 closes, field effect tube Q1 is turned on, and forms a loop with resistance R1, capacitor C2, then through resistance R1 voltage division, so that the first input winding voltage becomes, so as to adjust the input voltage and output voltage of wireless charging.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wireless charging humidifier atomization drive circuit with high-temperature protection, characterized in that: include: Atomizer; A wireless charger, used to drive the atomizer to operate; The input power supply includes an AC 220V voltage, a rectifier bridge 1B4B42, and a transformer T1. The AC 220V voltage is rectified by the rectifier bridge 1B4B42 and then output as DC 12V by the transformer T1. The transformer T1 includes a first input winding and a first output winding. The first input winding is electrically connected to the output terminal of the rectifier bridge 1B4B42, and the first output winding is configured corresponding to the first input winding. The first voltage regulator circuit includes a Zener diode D4, a filter capacitor C4, a filter inductor L1, and a filter capacitor C5. The input terminal of the Zener diode D4 is electrically connected to one end of the first output winding. The output terminal of the Zener diode D4 is connected to one input terminal of the wireless charger via one end of the filter capacitor C1, one end of the filter inductor L1, and one end of the filter capacitor C5. The other end of the first output winding is electrically connected to the other input terminal of the wireless charger via the other ends of the filter capacitor C1 and the other end of the filter capacitor C5.

2. The atomizing drive circuit for a wireless charging high-temperature protection humidifier according to claim 1, characterized in that: The transformer T1 further includes a second input winding and a second output winding; one end of the second input winding is electrically connected to one end of the first input winding, and the other end of the second input winding is electrically connected to one end of the rectifier bridge 1B4B42, and the other end of the first input winding is electrically connected to the other end of the rectifier bridge 1B4B42; the second output winding is correspondingly arranged to the first output winding.

3. The atomizing drive circuit for a wireless charging high-temperature protection humidifier according to claim 2, characterized in that: The wireless charging high-temperature protection humidifier atomization drive circuit also includes a voltage regulation circuit, which includes a sampling circuit and a first voltage regulator switch circuit. The sampling circuit includes resistors R4 and R5, and capacitor C11. One end of resistor R4 and one end of resistor R5 are electrically connected to one end of the wireless charger, respectively. The first voltage regulator switch circuit includes resistor R6, Zener diode TL431 CP, optocoupler SFH617A-3, capacitor C10, and diode D3. The other end of resistor R4 is electrically connected to one input terminal of optocoupler SFH617A-3, and is also electrically connected to one end of capacitor C11, the control terminal of Zener diode TL431 CP, and one end of resistor R6. The other end of resistor R4 is electrically connected to the anode of Zener diode TL431 CP and grounded. The other end of capacitor C11 is connected to the Zener diode TL431 CP. The cathode of CP is electrically connected to the other input terminal of the optocoupler SFH617A-3. One end of the capacitor C10 is electrically connected to one end of the second output winding. The anode of the diode D3 is electrically connected to the other end of the second output winding. The other end of the capacitor C10 and the cathode of the diode D3 are both electrically connected to one output terminal of the optocoupler SFH617A-3.

4. The atomizing drive circuit for a wireless charging high-temperature protection humidifier according to claim 3, characterized in that: The voltage regulation circuit also includes a second switching circuit, which includes a resistor R2, a capacitor C9, a capacitor C8, and a field-effect transistor Q1. One end of the resistor R2, one end of the capacitor C8, and the gate (G) terminal of the field-effect transistor Q1 are all electrically connected to the other output terminal of the SFH617A-3. The other end of the resistor R2 is grounded through the capacitor C9. The other end of the capacitor C8 and the source (S) terminal of the field-effect transistor Q1 are both grounded.

5. The atomizing drive circuit for a wireless charging high-temperature protection humidifier according to claim 4, characterized in that: The voltage regulation circuit further includes a voltage adjustment circuit, which includes a resistor R1, a capacitor C2, a diode D2, and a capacitor C7. The anode of the diode D2 is electrically connected to one end of the second input winding and the drain of the field-effect transistor Q1, and the anode of the diode D2 is also grounded through the capacitor C7. The cathode of the diode D2 is electrically connected to one end of the first input winding through the resistor R1. The capacitor C2 is connected in parallel across the resistor R1.

6. The atomizing drive circuit for a wireless charging high-temperature protection humidifier according to claim 5, characterized in that: The resistance of resistor R1 is set to 100KΩ, and the capacitance of capacitor C2 is set to 2200pF.

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