Double micropore type water mist oscillation protection circuit

Abstract

The utility model relates to the technical field of double micropore type water mist, in particular to a double micropore type water mist oscillation protection circuit, which comprises a power supply VDD (Voltage Drain Drain) set to be 5V; the atomization sheet driving circuit comprises a driving chip TTP320-CO8, a diode D3, a resistor R2, a resistor R3 and a field effect transistor M1; a pin 1 of the driving chip TTP320-CO8 is electrically connected with a power supply VDD (Voltage Drain Drain); one end of the resistor R2 is electrically connected with a pin 8 of the driving chip TTP320-CO8, the other end of the resistor R2 is electrically connected with a source electrode of the field effect transistor M1, and a pin 5 of the driving chip TTP320-CO8 is electrically connected with a grid electrode of the field effect transistor M1 through the diode D3 and the resistor R3.

Description

Technical Field

[0001] This utility model relates to the field of dual microporous water mist technology, specifically a dual microporous water mist oscillation protection circuit. Background Technology

[0002] "Dual microporous water mist" refers to water mist generated through a dual microporous structure, which is widely used in water mist collection, air purification, humidification and aromatherapy.

[0003] However, in practical applications, the dual-microporous water mist can damage the main control chip of the control circuit due to the voltage or current increase caused by water shortage, broken wires or other abnormal conditions during the operation of the atomizing plate. Utility Model Content

[0004] This invention provides a dual-microporous water mist oscillation protection circuit to solve the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A dual-micropore type water mist oscillation protection circuit includes:

[0007] Power supply VDD, wherein the power supply VDD is set to 5V;

[0008] An atomizing plate driving circuit includes a driving chip TTP320-CO8, a diode D3, resistors R2 and R3, and a field-effect transistor M1. Pin 1 of the driving chip TTP320-CO8 is electrically connected to the power supply VDD. One end of resistor R2 is electrically connected to pin 8 of the driving chip TTP320-CO8, and the other end of resistor R2 is electrically connected to the source of the field-effect transistor M1. Pin 5 of the driving chip TTP320-CO8 is electrically connected to the gate of the field-effect transistor M1 via diode D3 and resistor R3.

[0009] A water mist oscillation circuit includes: a capacitor C1, an inductor L1, a dual inductor L2, and an atomizing plate ATO; one end of the capacitor C1 is electrically connected to one end of the dual inductor and the power supply VDD, and the other end of the capacitor C1 is electrically connected to pin 8 of the driver chip TTP320-CO8; one end of the dual inductor L2 is electrically connected to the drain of the field-effect transistor M1, one end of the dual inductor L2 is electrically connected to one end of the atomizing plate ATO via inductor L1, and one end of the dual inductor L2 is electrically connected to the other end of the atomizing plate ATO.

[0010] As a preferred embodiment of this utility model, the dual microporous water mist oscillation protection circuit further includes: an opening circuit, the opening circuit including: a resistor R1 and a switch SW; one end of the resistor R1 is electrically connected to pin 3 of the driver chip TTP320-CO8, one end of the switch SW is electrically connected to pin 4 of the driver chip TTP320-CO8, and the other ends of the resistor R1 and the other ends of the switch SW are both grounded.

[0011] As a preferred embodiment of this utility model, the dual microporous water mist oscillation protection circuit further includes: a diode D2, the anode of the diode D2 being electrically connected to pin 1 of the driver chip TTP320-CO8, and the cathode of the diode being electrically connected to pin 8 of the driver chip TTP320-CO8 via capacitor C1.

[0012] As a preferred embodiment of this utility model, the dual microporous water mist oscillation protection circuit further includes: a resistor RL and a diode D1; the power supply VDD is electrically connected to pin 1 of the driver chip TTP320-CO8 via the resistor RL and the diode D1.

[0013] As a preferred embodiment of this utility model, the dual microporous water mist oscillation protection circuit further includes: a diode D4, the anode of the diode D4 being electrically connected to pin 6 of the TTP320-CO8, and the cathode of the diode D4 being electrically connected to the source of the field-effect transistor M1.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) In this utility model, when the power supply VDD input voltage is 5V, the driver chip TTP320-CO8 works and outputs a high level from pin 5. The field effect transistor M1 is turned on, and the capacitor C1, inductor L2 and inductor L1 oscillate and make the atomizing plate ATD work. When the voltage or current of the atomizing plate ATD increases due to lack of water or other abnormal conditions during operation, the reverse cut-off characteristic of the diode D3 is used to protect the driver chip TTP320-CO8.

[0016] (2) In this utility model, when the voltage or current of the atomizing plate ATD increases due to lack of water or other abnormal conditions during operation, the reverse cutoff characteristics of diodes D2, D4 and D3 protect the driving chip TTP320-CO8. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the circuit working principle of this utility model. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] For an example, please refer to... Figure 1 This utility model provides a technical solution:

[0020] A dual-micropore type water mist oscillation protection circuit includes:

[0021] Power supply VDD, wherein the power supply VDD is set to 5V;

[0022] An atomizing plate driving circuit includes a driving chip TTP320-CO8, a diode D3, resistors R2 and R3, and a field-effect transistor M1. Pin 1 of the driving chip TTP320-CO8 is electrically connected to the power supply VDD. One end of resistor R2 is electrically connected to pin 8 of the driving chip TTP320-CO8, and the other end of resistor R2 is electrically connected to the source of the field-effect transistor M1. Pin 5 of the driving chip TTP320-CO8 is electrically connected to the gate of the field-effect transistor M1 via diode D3 and resistor R3.

[0023] A water mist oscillation circuit includes: a capacitor C1, an inductor L1, a dual inductor group L2, and an atomizing plate ATO; one end of the capacitor C1 is electrically connected to one end of the dual inductor group and the power supply VDD, and the other end of the capacitor C1 is electrically connected to pin 8 of the driver chip TTP320-CO8; one end of the dual inductor group L2 is electrically connected to the drain of the field-effect transistor M1, one end of the dual inductor group L2 is electrically connected to one end of the atomizing plate ATO via inductor L1, and one end of the dual inductor group L2 is electrically connected to the other end of the atomizing plate ATO;

[0024] Specifically, when the power supply VDD input voltage is 5V, the driver chip TTP320-CO8 works and outputs a high level from pin 5. The field-effect transistor M1 is turned on, and the capacitor C1, inductor L2, and inductor L1 oscillate, causing the atomizing plate ATD to work. When the voltage or current of the atomizing plate ATD increases due to lack of water or other abnormal conditions during operation, the reverse cutoff characteristic of the diode D3 protects the driver chip TTP320-CO8.

[0025] Reference Figure 1In this embodiment, the dual microporous water mist oscillation protection circuit further includes an opening circuit, which includes a resistor R1 and a switch SW. One end of the resistor R1 is electrically connected to pin 3 of the driver chip TTP320-CO8, and one end of the switch SW is electrically connected to pin 4 of the driver chip TTP320-CO8. The other ends of the resistor R1 and the other end of the switch SW are both grounded.

[0026] Specifically, switch SW is used to control the operation of driver chip TTP320-CO8. When the power supply VDD input voltage is 5V, switch SW is closed to control driver chip TTP320-CO8 to work.

[0027] Reference Figure 1 In this embodiment, the dual microporous water mist oscillation protection circuit further includes: diode D2, the anode of diode D2 is electrically connected to pin 1 of driver chip TTP320-CO8, and the cathode of diode is electrically connected to pin 8 of driver chip TTP320-CO8 via capacitor C1; the dual microporous water mist oscillation protection circuit further includes: resistor RL and diode D1; the power supply VDD is electrically connected to pin 1 of driver chip TTP320-CO8 via resistor RL and diode D1; the dual microporous water mist oscillation protection circuit further includes: diode D4, the anode of diode D4 is electrically connected to pin 6 of TTP320-CO8, and the cathode of diode D4 is electrically connected to the source of field-effect transistor M1;

[0028] Specifically, when the voltage or current of the atomizing chip ATD increases due to water shortage or other abnormal conditions during operation, the reverse cutoff characteristics of diodes D2, D4, and D3 protect the driver chip TTP320-CO8, and the operating status of the display circuit is displayed through D1.

[0029] The beneficial effects and working principle of this utility model are as follows:

[0030] (1) When the switch SW is closed, when the power supply VDD input voltage is 5V, the driver chip TTP320-CO8 works and outputs a high level from pin 5. The field effect transistor M1 is turned on, and the capacitor C1, inductor L2 and inductor L1 oscillate.

[0031] (2) When the voltage or current of the atomizing plate ATD increases due to lack of water or other abnormal conditions during operation, the reverse cutoff characteristics of diodes D2, D3, D4 and D3 protect the driver chip TTP320-CO8.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dual-micropore type water mist oscillation protection circuit, characterized in that: include: Power supply VDD, wherein the power supply VDD is set to 5V; An atomizing plate driving circuit includes a driving chip TTP320-CO8, a diode D3, resistors R2 and R3, and a field-effect transistor M1. Pin 1 of the driving chip TTP320-CO8 is electrically connected to the power supply VDD. One end of resistor R2 is electrically connected to pin 8 of the driving chip TTP320-CO8, and the other end of resistor R2 is electrically connected to the source of the field-effect transistor M1. Pin 5 of the driving chip TTP320-CO8 is electrically connected to the gate of the field-effect transistor M1 via diode D3 and resistor R3. A water mist oscillation circuit, comprising: capacitor C1, inductor L1, dual inductors L2, and atomizing plate ATO; One end of capacitor C1 is electrically connected to end 1 of the dual inductor and power supply VDD, and the other end of capacitor C1 is electrically connected to pin 8 of driver chip TTP320-CO8; end 2 of dual inductor L2 is electrically connected to the drain of field-effect transistor M1; end 3 of dual inductor L2 is electrically connected to one end of atomizing plate ATO via inductor L1; and end 4 of dual inductor L2 is electrically connected to the other end of atomizing plate ATO.

2. The dual-microporous water mist oscillation protection circuit according to claim 1, characterized in that: The dual microporous water mist oscillation protection circuit further includes a switching circuit, which includes a resistor R1 and a switch SW. One end of the resistor R1 is electrically connected to pin 3 of the driver chip TTP320-CO8, and one end of the switch SW is electrically connected to pin 4 of the driver chip TTP320-CO8. The other ends of the resistor R1 and the other end of the switch SW are both grounded.

3. The dual-microporous water mist oscillation protection circuit according to claim 1, characterized in that: The dual microporous water mist oscillation protection circuit further includes a diode D2, the anode of which is electrically connected to pin 1 of the driver chip TTP320-CO8, and the cathode of which is electrically connected to pin 8 of the driver chip TTP320-CO8 via capacitor C1.

4. The dual-micropore type water mist oscillation protection circuit according to claim 1, characterized in that: The dual microporous water mist oscillation protection circuit also includes: resistor RL and diode D1; the power supply VDD is electrically connected to pin 1 of the driver chip TTP320-CO8 via resistor RL and diode D1.

5. The dual-microporous water mist oscillation protection circuit according to claim 1, characterized in that: The dual microporous water mist oscillation protection circuit further includes a diode D4, the anode of which is electrically connected to pin 6 of the TTP320-CO8, and the cathode of which is electrically connected to the source of the field-effect transistor M1.

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