A controllable drug dosage ultrasonic nebulizer

Abstract

This utility model discloses a controllable drug dosage ultrasonic nebulizer, characterized by comprising: a microprocessor circuit, and a display circuit, a charging management circuit, a first boost circuit, a second boost circuit, an nebulizer plate driving circuit, a drug detection circuit, a first button circuit, and a second button circuit connected to the microprocessor circuit; the first button circuit includes a switch SW3, which is a nebulization operation button in manual mode; the second button circuit includes a switch SW1, which is a power on / off and mode selection button. This utility model uses a two- or multi-digit digital tube with multiple indicator icons, establishing a manual mode for user-controlled operation, achieving real-time control of the nebulized drug, effectively preventing nebulization waste and improving drug utilization.

Description

Technical Field

[0001] This utility model relates to the field of ultrasonic nebulizer technology, and in particular to a controllable drug dosage ultrasonic nebulizer. Background Technology

[0002] Current ultrasonic nebulizers nebulize medication at a fixed time after being turned on, regardless of whether the user is using it or not. This approach cannot fully utilize the medication, directly causing waste and resulting in economic losses. Utility Model Content

[0003] The main purpose of this invention is to propose a controllable drug dosage ultrasonic nebulizer, which aims to improve drug utilization.

[0004] To achieve the above objectives, this utility model proposes a controllable drug dosage ultrasonic nebulizer, comprising: a microprocessor circuit, a display circuit, a charging management circuit, a first boost circuit, a second boost circuit, a nebulizer plate driving circuit, a drug detection circuit, a first button circuit, and a second button circuit connected to the microprocessor circuit.

[0005] The first button circuit includes a switch SW3, which is atomization operation button in manual mode. The second button circuit includes a switch SW1, which is a power on / off button and mode selection button.

[0006] A further technical solution of this utility model is that the microprocessor circuit includes a chip IC1, the first button circuit includes a resistor R56, one end of the switch SW3 is grounded, the other end is connected to one end of the resistor R56 and pin 1 of the microprocessor circuit, and the other end of the resistor R56 is connected to pin 2 of the chip IC1.

[0007] A further technical solution of this utility model is that the second button circuit also includes a resistor R45, one end of the switch SW1 is grounded, the other end is connected to one end of the resistor R45 and pin 5 of the microprocessor circuit, and the other end of the resistor R45 is connected to pin 2 of the chip IC1.

[0008] A further technical solution of this utility model is that the microprocessor circuit also includes a capacitor C34, one end of which is connected to pin 2 of the chip IC1, and the other end is connected to pin 23 of the chip IC1 and grounded.

[0009] A further technical solution of this utility model is that the atomizing plate driving circuit includes capacitors C12, C13, C14, C16, and C20, inductor L2, resistors R21, R23, R10, and R28, diode D7, diode D8, and MOSFET Q3; one end of capacitors C12 and C13 is connected to the voltage generation circuit B and pin 1 of inductor L2; pin 2 of inductor L2 is connected to the drain of MOSFET Q3, pin 3 of inductor L2, one end of capacitor C14, and pin 1 of the ultrasonic plate; the other end of capacitor C14 is connected to one end of diode D8, pin 4 of inductor L2, and the ultrasonic plate. Pin 2 of the sound chip; one end of resistor R21 is connected to pin 22 of chip IC1; the other end of resistor R21 is connected to the cathode of diode D7, one end of resistor R23, and the gate of MOSFET Q3; the source of MOSFET Q3 is connected to one end of resistor R10 and one end of resistor R22; the other end of resistor R22 is connected to one end of capacitor C16 and one end of resistor R28; the other end of resistor R28 is connected to one end of capacitor C20 and pin 12 of chip IC1; the other ends of capacitors C12, C13, diode D8, diode D7, resistor R23, resistor R10, capacitor C16, and capacitor C20 are grounded.

[0010] A further technical solution of this utility model is that the liquid detection circuit includes a capacitor C26, a resistor R55, a resistor R51, a diode D6, a resistor R49, a capacitor C27, a resistor R50, a capacitor C28, a resistor R52, and a diode ZD1. One end of the capacitor C26 is connected to one end of the resistor R55. The other end of the resistor R55 is connected to one end of the resistor R51 and pin 3 of the diode D6. Pin 2 of the diode D6 is connected to one end of the capacitor C27, one end of the resistor R50, and one end of the resistor R49. The other end of the resistor R49 is connected to one end of the capacitor C28, one end of the resistor R52, one end of the diode ZD1, and pin 10 of the chip IC1. The other ends of the resistor R51, capacitor C27, resistor R50, capacitor C28, resistor R52, diode ZD1, and pin 1 of the diode D6 are grounded.

[0011] A further technical solution of this utility model is that the first boost circuit includes: resistor R32, resistor R53, resistor R59, resistor R41, resistor R36, resistor R40, capacitor C32, capacitor C21, capacitor C22, capacitor C4, diode D4, diode D5, MOSFET Q5, MOSFET Q6, diode D4, diode D5, inductor L5, and chip IC2;

[0012] One end of resistor R32 is connected to pin 6 of chip IC1, and the other end is connected to the gates of MOSFETs Q5 and Q6. The source of MOSFET Q6 is connected to the charging management circuit, and the drain of MOSFET Q6 is connected to the drain of MOSFET Q5. The source of MOSFET Q5 is connected to the cathode of diode D4, one end of resistor R58, one end of capacitor C21, one end of capacitor C22, one end of inductor L5, and pins 4 and 5 of chip IC2. The other end of resistor R58 is connected to one end of capacitor C4, one end of resistor R59, and the chip... Pin 9 of IC1; one end of resistor R41 is connected to pin 6 of IC2; the other end of inductor L5 is connected to one end of resistor R53, the anode of diode D5, and pin 1 of IC2; the other end of resistor R53 is connected to one end of capacitor C32; the cathode of diode D5 is connected to one end of resistor R36 and capacitor C12; the other end of resistor R36 is connected to one end of resistor R40 and pin 3 of IC2; the other ends of capacitor C4, resistor R59, capacitor C21, capacitor C22, resistor R41, resistor R40, and capacitor C32 are grounded.

[0013] A further technical solution of this utility model is that the second boost circuit includes: diode D1, capacitor C36, capacitor C37, capacitor C35, capacitor C17, inductor L7, resistor R60, and chip IC6. Pin 2 of diode D1 is connected to the anode of diode D4, pin 1 of diode D1 is connected to the charging management circuit, pin 3 of diode D1 is connected to pin 1 of capacitor C36 and one end of inductor L7, the other end of inductor L7 is connected to pin 2 of chip IC6 and one end of capacitor C60, one end of capacitor C35 is connected to pin 3 of chip IC6 and one end of capacitor C17, and the other ends of capacitors C36, C37, C35, and C17, as well as pin 1 of chip IC6, are grounded.

[0014] A further technical solution of this utility model is that the charging management circuit includes a chip IC4, resistors R33, R35, R38, R39, capacitors C23, C24, C25, and a light-emitting diode LED13. One end of resistor R33 is connected to one end of resistor R35 and pin 11 of chip IC4. The other end of resistor R35 is connected to one end of capacitor C23, one end of capacitor C24, one end of resistor R37, and pin 4 of chip IC4. The other end of resistor R37 is connected to the anode of LED13. The cathode of LED13 is connected to pin 1 of IC4 and one end of resistor R39. Pin 3 of IC6 is connected to the source of MOSFET Q6 and one end of capacitor C25. Pin 5 of IC6 is connected to one end of resistor R38. The other ends of resistor R33, capacitor C23, capacitor C24, resistor R39, resistor R38, capacitor C25, and pin 2 of IC4 are grounded.

[0015] A further technical solution of this utility model is that the display module adopts a TFT or LCD VFD module.

[0016] This invention uses a two- or multi-digit digital tube with multiple indicator icons and establishes a manual mode for user operation, enabling real-time control of nebulized medication. This effectively prevents nebulization waste and improves medication utilization. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a circuit diagram of a preferred embodiment of the controllable drug dosage ultrasonic nebulizer of this utility model;

[0019] Figure 2 This is a schematic diagram of the circuit structure of a microprocessor circuit;

[0020] Figure 3 This is a schematic diagram of the circuit structure of the first button circuit;

[0021] Figure 4 This is a schematic diagram of the circuit structure of the second button circuit;

[0022] Figure 5 This is a schematic diagram of the circuit structure of the atomizing plate driving circuit;

[0023] Figure 6 This is a schematic diagram of the circuit structure of the liquid medicine detection circuit;

[0024] Figure 7 This is a schematic diagram of the circuit structure of the first boost circuit;

[0025] Figure 8 This is a schematic diagram of the circuit structure of the second boost circuit;

[0026] Figure 9 This is a schematic diagram of the charging management circuit. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] This invention proposes a controllable drug dosage ultrasonic nebulizer. The main technical solution adopted by this invention is to establish an independent manual mode. Users can press the buttons on the control panel according to their own breathing rhythm to select to start nebulization during inhalation and to stop working during exhalation. This makes full use of the drug and improves the drug utilization rate.

[0029] Specifically, please refer to Figures 1 to 9 A preferred embodiment of the controllable drug dosage ultrasonic nebulizer of this utility model includes: a microprocessor circuit, a display circuit, a charging management circuit, a first boost circuit, a second boost circuit, a nebulizer plate driving circuit, a drug detection circuit, a first button circuit, and a second button circuit connected to the microprocessor circuit.

[0030] The first button circuit includes a switch SW3, which is atomization operation button in manual mode. The second button circuit includes a switch SW1, which is a power on / off button and mode selection button.

[0031] This embodiment utilizes two I / O ports of the electronic microprocessor chip for button operation. Pressing switch SW3 once turns the machine on / off. Repeatedly pressing SW3 switches the operating mode (high speed, low speed, cleaning, manual mode).

[0032] This embodiment uses a two- or multi-digit digital tube with multiple indicator icons, or other display devices. It also includes a manual mode. When the manual mode is entered, the display screen will indicate that the manual mode has been entered. The user can press the switch SW1 according to their own breathing rhythm to control the mist output rhythm in real time: when the switch SW1 is pressed during inhalation, the nebulizer starts nebulization; when the switch SW1 is released during exhalation, the nebulization is turned off.

[0033] Specifically, in this embodiment, the microprocessor circuit includes a chip IC1, the first button circuit includes a resistor R56, one end of the switch SW3 is grounded, the other end is connected to one end of the resistor R56 and pin 1 of the microprocessor circuit, and the other end of the resistor R56 is connected to pin 2 of the chip IC1.

[0034] In this embodiment, the second button circuit further includes a resistor R45. One end of the switch SW1 is grounded, and the other end is connected to one end of the resistor R45 and pin 5 of the microprocessor circuit. The other end of the resistor R45 is connected to pin 2 of the chip IC1.

[0035] In this embodiment, the microprocessor circuit further includes a capacitor C34, one end of which is connected to pin 2 of the chip IC1, and the other end is connected to pin 23 of the chip IC1 and grounded.

[0036] In this embodiment, the atomizing plate driving circuit includes capacitors C12, C13, C14, C16, and C20, inductor L2, resistors R21, R23, R10, and R28, diodes D7 and D8, and MOSFET Q3. One end of capacitors C12 and C13 is connected to the voltage generation circuit B and pin 1 of inductor L2. Pin 2 of inductor L2 is connected to the drain of MOSFET Q3, pin 3 of inductor L2, one end of capacitor C14, and pin 1 of the ultrasonic plate. The other end of capacitor C14 is connected to one end of diode D8, pin 4 of inductor L2, and pin 1 of the ultrasonic plate. Pin 2, one end of resistor R21 is connected to pin 22 of chip IC1, the other end of resistor R21 is connected to the cathode of diode D7, one end of resistor R23 and the gate of MOSFET Q3, the source of MOSFET Q3 is connected to one end of resistor R10 and one end of resistor R22, the other end of resistor R22 is connected to one end of capacitor C16 and one end of resistor R28, the other end of resistor R28 is connected to one end of capacitor C20 and pin 12 of chip IC1, and the other ends of capacitor C12, capacitor C13, diode D8, diode D7, resistor R23, resistor R10, capacitor C16 and capacitor C20 are grounded.

[0037] In this embodiment, the liquid detection circuit includes capacitor C26, resistor R55, resistor R51, diode D6, resistor R49, capacitor C27, resistor R50, capacitor C28, resistor R52, and diode ZD1. One end of capacitor C26 is connected to one end of resistor R55. The other end of resistor R55 is connected to one end of resistor R51 and pin 3 of diode D6. Pin 2 of diode D6 is connected to one end of capacitor C27, one end of resistor R50, and one end of resistor R49. The other end of resistor R49 is connected to one end of capacitor C28, one end of resistor R52, one end of diode ZD1, and pin 10 of chip IC1. The other ends of resistor R51, capacitor C27, resistor R50, capacitor C28, resistor R52, diode ZD1, and pin 1 of diode D6 are grounded.

[0038] In this embodiment, the first boost circuit includes: resistor R32, resistor R53, resistor R59, resistor R41, resistor R36, resistor R40, capacitor C32, capacitor C21, capacitor C22, capacitor C4, diode D4, diode D5, MOSFET Q5, MOSFET Q6, diode D4, diode D5, inductor L5, and chip IC2.

[0039] One end of resistor R32 is connected to pin 6 of chip IC1, and the other end is connected to the gates of MOSFETs Q5 and Q6. The source of MOSFET Q6 is connected to the charging management circuit, and the drain of MOSFET Q6 is connected to the drain of MOSFET Q5. The source of MOSFET Q5 is connected to the cathode of diode D4, one end of resistor R58, one end of capacitor C21, one end of capacitor C22, one end of inductor L5, and pins 4 and 5 of chip IC2. The other end of resistor R58 is connected to one end of capacitor C4, one end of resistor R59, and the chip... Pin 9 of IC1; one end of resistor R41 is connected to pin 6 of IC2; the other end of inductor L5 is connected to one end of resistor R53, the anode of diode D5, and pin 1 of IC2; the other end of resistor R53 is connected to one end of capacitor C32; the cathode of diode D5 is connected to one end of resistor R36 and capacitor C12; the other end of resistor R36 is connected to one end of resistor R40 and pin 3 of IC2; the other ends of capacitor C4, resistor R59, capacitor C21, capacitor C22, resistor R41, resistor R40, and capacitor C32 are grounded.

[0040] In this embodiment, the second boost circuit includes: diode D1, capacitors C36, C37, C35, C17, inductor L7, resistor R60, and chip IC6. Pin 2 of diode D1 is connected to the anode of diode D4, pin 1 of diode D1 is connected to the charging management circuit, pin 3 of diode D1 is connected to pin 1 of capacitor C36 and one end of inductor L7, the other end of inductor L7 is connected to pin 2 of chip IC6 and one end of capacitor C60, one end of capacitor C35 is connected to pin 3 of chip IC6 and one end of capacitor C17, and the other ends of capacitors C36, C37, C35, and C17, as well as pin 1 of chip IC6, are grounded.

[0041] In this embodiment, the charging management circuit includes a chip IC4, resistors R33, R35, R38, and R39, capacitors C23, C24, and C25, and a light-emitting diode (LED) LED13. One end of resistor R33 is connected to one end of resistor R35 and pin 11 of chip IC4. The other end of resistor R35 is connected to one end of capacitor C23, one end of capacitor C24, one end of resistor R37, and pin 4 of chip IC4. The other end of resistor R37 is connected to the anode of LED13. The cathode of LED13 is connected to pin 1 of chip IC4 and one end of resistor R39. Pin 3 of chip IC6 is connected to the source of MOSFET Q6 and one end of capacitor C25. Pin 5 of chip IC6 is connected to one end of resistor R38. The other ends of resistors R33, C23, C24, R39, R38, and C25, as well as pin 2 of chip IC4, are grounded.

[0042] In this embodiment, the display module is a TFT or LCD VFD module. The switch in manual mode can be replaced by any other type or shape of switch.

[0043] The following combination Figures 1 to 9 The working principle of the controllable drug dosage ultrasonic nebulizer in this embodiment is explained.

[0044] In this embodiment of the controllable drug dosage ultrasonic nebulizer, the charging management circuit mainly consists of chip IC4 and other peripheral devices. It primarily manages the charging of the internal lithium battery to prevent overcharging. Resistors R35 and R33 detect the external power supply, and this detection signal is directly sent to the microprocessor so that the microprocessor can identify whether an external power supply is connected. The first boost circuit mainly consists of I... C2 is a circuit that provides voltage to drive the atomizing element. MOSFETs Q5 and Q6 form an electronic switch to prevent direct connection to the lithium battery when the USB port has voltage. When the device is off, MOSFETs Q5 and Q6 disconnect the lithium battery from the subsequent circuit, thus reducing standby power consumption. Resistors R58 and R59, along with capacitor C4, detect the lithium battery voltage. This detection signal is directly sent to the microprocessor, which monitors the battery voltage in real time and takes appropriate action if the voltage drops. The atomizing element drive circuit mainly consists of inductor L2 and MOSFET Q3. Resistors R10 and R22, along with capacitors C16, R28, and C20, form a current sampling circuit. This signal is directly sent to the microprocessor. The microprocessor calculates the optimal resonant frequency of the atomizing plate and then outputs a PWM signal of the corresponding frequency to drive the MOSFET Q3 through resistors R21 and R23, thus driving the atomizing plate. The second boost circuit, mainly composed of IC6 and other external components, provides a stable voltage to the microprocessor. The liquid detection circuit sends the detected signal directly to the microprocessor to determine if there is liquid in the medicine cup. The operation buttons send two signal paths directly to the microprocessor for processing. Switch SW3 is the power on / off and mode selection button, while switch SW1 is the manual mode operation button; this button only functions when manual mode is selected via switch SW3. The microprocessor circuit processes all system signals. The display circuit, directly driven by the microprocessor, displays relevant system operating mode information.

[0045] This invention uses a two- or multi-digit digital tube with multiple indicator icons and establishes a manual mode for user operation, enabling real-time control of nebulized medication. This effectively prevents nebulization waste and improves medication utilization.

[0046] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A controllable drug amount ultrasonic nebulizer, characterized in that, include: The microprocessor circuit includes a display circuit, a charging management circuit, a first boost circuit, a second boost circuit, an atomizing plate driving circuit, a liquid detection circuit, a first button circuit, and a second button circuit connected to the microprocessor circuit. The first button circuit includes a switch SW3, which is atomization operation button in manual mode. The second button circuit includes a switch SW1, which is a power on / off button and mode selection button.

2. The controllable drug volume ultrasonic nebulizer according to claim 1, characterized in that, The microprocessor circuit includes a chip IC1, and the first button circuit also includes a resistor R56. One end of the switch SW3 is grounded, and the other end is connected to one end of the resistor R56 and pin 1 of the microprocessor circuit. The other end of the resistor R56 is connected to pin 2 of the chip IC1.

3. The controllable drug volume ultrasonic nebulizer according to claim 2, characterized in that, The second button circuit also includes a resistor R45. One end of the switch SW1 is grounded, and the other end is connected to one end of the resistor R45 and pin 5 of the microprocessor circuit. The other end of the resistor R45 is connected to pin 2 of the chip IC1.

4. The controllable drug dosage ultrasonic nebulizer according to claim 3, characterized in that, The microprocessor circuit also includes a capacitor C34, one end of which is connected to pin 2 of the chip IC1, and the other end is connected to pin 23 of the chip IC1 and grounded.

5. The controllable drug dosage ultrasonic nebulizer according to claim 4, characterized in that, The atomizing plate driving circuit includes capacitors C12, C13, C14, C16, and C20, inductor L2, resistors R21, R23, R10, and R28, diodes D7 and D8, and MOSFET Q3. One end of capacitors C12 and C13 is connected to the boost circuit B and pin 1 of inductor L2. Pin 2 of inductor L2 is connected to the drain of MOSFET Q3, pin 3 of inductor L2, one end of capacitor C14, and pin 1 of the ultrasonic plate. The other end of capacitor C14 is connected to one end of diode D8, pin 4 of inductor L2, and pin 2 of the ultrasonic plate. One end of resistor R21 is connected to pin 22 of chip IC1. The other end of resistor R21 is connected to the cathode of diode D7, one end of resistor R23, and the gate of MOSFET Q3. The source of MOSFET Q3 is connected to one end of resistor R10 and one end of resistor R22. The other end of resistor R22 is connected to one end of capacitor C16 and one end of resistor R28. The other end of resistor R28 is connected to one end of capacitor C20 and pin 12 of chip IC1. The other ends of capacitors C12, C13, diode D8, diode D7, resistor R23, resistor R10, capacitor C16, and capacitor C20 are grounded.

6. The controllable drug dosage ultrasonic nebulizer according to claim 5, characterized in that, The drug detection circuit includes capacitor C26, resistors R55 and R51, diode D6, resistor R49, capacitor C27, resistor R50, capacitor C28, resistor R52, and diode ZD1. One end of capacitor C26 is connected to one end of resistor R55. The other end of resistor R55 is connected to one end of resistor R51 and pin 3 of diode D6. Pin 2 of diode D6 is connected to one end of capacitor C27, one end of resistor R50, and one end of resistor R49. The other end of resistor R49 is connected to one end of capacitor C28, one end of resistor R52, one end of diode ZD1, and pin 10 of chip IC1. The other ends of resistors R51, capacitor C27, resistor R50, capacitor C28, resistor R52, diode ZD1, and pin 1 of diode D6 are grounded.

7. The controllable drug dosage ultrasonic nebulizer according to claim 6, characterized in that, The first boost circuit includes: resistor R32, resistor R53, resistor R59, resistor R41, resistor R36, resistor R40, capacitor C32, capacitor C21, capacitor C22, capacitor C4, diode D4, diode D5, MOSFET Q5, MOSFET Q6, inductor L5, and chip IC2. One end of resistor R32 is connected to pin 6 of chip IC1, and the other end is connected to the gates of MOSFETs Q5 and Q6. The source of MOSFET Q6 is connected to the charging management circuit, and the drain of MOSFET Q6 is connected to the drain of MOSFET Q5. The source of MOSFET Q5 is connected to the cathode of diode D4, one end of resistor R58, one end of capacitor C21, one end of capacitor C22, one end of inductor L5, and pins 4 and 5 of chip IC2. The other end of resistor R58 is connected to one end of capacitor C4, one end of resistor R59, and the chip... Pin 9 of IC1; one end of resistor R41 is connected to pin 6 of IC2; the other end of inductor L5 is connected to one end of resistor R53, the anode of diode D5, and pin 1 of IC2; the other end of resistor R53 is connected to one end of capacitor C32; the cathode of diode D5 is connected to one end of resistor R36 and capacitor C12; the other end of resistor R36 is connected to one end of resistor R40 and pin 3 of IC2; the other ends of capacitor C4, resistor R59, capacitor C21, capacitor C22, resistor R41, resistor R40, and capacitor C32 are grounded.

8. The controllable drug dosage ultrasonic nebulizer according to claim 7, characterized in that, The second boost circuit includes: diode D1, capacitors C36, C37, C35, and C17, inductor L7, resistor R60, and chip IC6. Pin 2 of diode D1 is connected to the anode of diode D4, pin 1 of diode D1 is connected to the charging management circuit, pin 3 of diode D1 is connected to pin 1 of capacitor C36 and one end of inductor L7, the other end of inductor L7 is connected to pin 2 of chip IC6 and one end of capacitor C60, one end of capacitor C35 is connected to pin 3 of chip IC6 and one end of capacitor C17, and the other ends of capacitors C36, C37, C35, and C17, as well as pin 1 of chip IC6, are grounded.

9. The controllable drug dosage ultrasonic nebulizer according to claim 8, characterized in that, The charging management circuit includes a chip IC4, resistors R33, R35, R38, and R39, capacitors C23, C24, and C25, and a light-emitting diode (LED) LED13. One end of resistor R33 is connected to one end of resistor R35 and pin 11 of chip IC4. The other end of resistor R35 is connected to one end of capacitor C23, one end of capacitor C24, one end of resistor R37, and pin 4 of chip IC4. The other end of resistor R37 is connected to the anode of LED13. The cathode of LED13 is connected to pin 1 of chip IC4 and one end of resistor R39. Pin 3 of chip IC6 is connected to the source of MOSFET Q6 and one end of capacitor C25. Pin 5 of chip IC6 is connected to one end of resistor R38. The other ends of resistors R33, C23, C24, R39, R38, and C25, as well as pin 2 of chip IC4, are grounded.

10. The controllable drug dosage ultrasonic nebulizer according to claim 1, characterized in that, The display circuit uses a TFT or LCD VFD module.

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