WO2019165663A1

WO2019165663A1 - Atomizer having variable frequency and variable voltage

Info

Publication number: WO2019165663A1
Application number: PCT/CN2018/081405
Authority: WO
Inventors: 华健; 宋雪峰; 钟均汉
Original assignee: 华健
Priority date: 2018-02-27
Filing date: 2018-03-30
Publication date: 2019-09-06

Abstract

An atomizer having variable frequency and variable voltage, comprising a casing (1), a nozzle (2) provided at a side of the casing (1), an atomizing sheet (3) provided within the casing (1) at the side having the nozzle (2) and a drug liquid tank (4) provided at the side having the atomizing sheet (3); a circuit board (5) that is connected to the atomizing sheet (3) and a battery (6) that is connected to the circuit board (5) are disposed within the casing (1). The circuit board (5) comprises a main controller, as well as a boosting unit, a boost adjusting unit, an atomizing sheet driving unit and a button unit that are respectively connected to the main controller. The boosting unit is connected to the atomizing sheet driving unit and the battery (6) respectively. The atomizing sheet driving unit is connected to the atomizing sheet (3). The atomizer having variable frequency and variable voltage has the effects of being able to adjust the atomization rate of the atomizer and having a large adjustable range.

Description

Variable frequency variable pressure atomizer

Technical field

The invention relates to the field of medical instruments, in particular to a variable frequency pressure atomizer.

Background technique

Nebulized inhalation therapy is an important and effective treatment method for the treatment of respiratory diseases. The nebulizer is used to atomize the liquid into tiny particles. The patient inhales the aerosolized drug into the respiratory tract and lungs by breathing, and deposits Transmucosal absorption, thereby achieving the purpose of painless, rapid and effective treatment. Among them, the atomization rate during the atomization process is an important performance indicator of the atomizer operation. The atomization rate of the existing atomizer operation is relatively simple, and the atomization rate cannot be adjusted according to the needs of the customer.

Summary of the invention

In view of the above problems, an object of the present invention is to provide an atomizer which can adjust the atomization rate of the atomizer and has a large adjustable range.

In order to achieve the above object, the present invention provides a variable frequency variable pressure atomizer, which comprises a casing, a nozzle provided on one side of the casing, an atomizing piece provided in the casing on one side of the nozzle, and A liquid chemical tank provided on one side of the atomizing sheet, and a circuit board connected to the atomizing sheet and a battery connected to the circuit board are disposed in the housing. A card slot is arranged on the side of the liquid tank, and a slider, a return spring and the like provided on the casing are used for detachably connecting the casing and the liquid tank. As the above-mentioned deformed structure, the housing and the chemical tank can also be connected by other detachable means such as a thread, a hinge, a slide rail or the like. A button corresponding to a push button switch in the circuit board is also provided on the front side of the housing 2.

The circuit board includes a main controller, and a boosting unit, a boost adjusting unit, an atomizing sheet driving unit and a button unit respectively connected to the main controller; the boosting unit is respectively connected to the atomizing sheet driving unit and the battery; The atomizing sheet driving unit is connected to the atomizing sheet. The boosting adjustment unit includes a first switching transistor Q1, a second switching transistor Q2, and a third switching transistor Q3, and a first resistor R06 connected to the first switching transistor Q1, the second switching transistor Q2, and the third switching transistor Q3, respectively. The second resistor R07 and the third resistor R08. The controlled terminals on the first switching transistor Q1, the second switching transistor Q2, and the third switching transistor Q3 are respectively connected to the eighth pin, the ninth pin, and the tenth pin of the signal output terminal of the main controller. The low-potential ends of the first switching transistor Q1, the second switching transistor Q2, and the third switching transistor Q3 are coupled to the ground. The high potential end of the first switching transistor Q1 is connected to one end of the first resistor R06, the high potential end of the second switching transistor Q2 is connected to one end of the second resistor R07, and the third switching transistor Q3 has a high potential. The terminal is connected to one end of the third resistor R08. The other end of the first resistor R06, the other end of the second resistor R07, and the other end of the third resistor R08 are connected in parallel to the feedback end of the boosting unit. The button unit includes a button switch KEY1 connected to the 20th pin on the signal input end of the main controller, a key switch KEY2 connected to the 19th pin on the signal input end of the main controller, and a 18th pin connected to the signal input end of the main controller. The key switch KEY3 can perform the power start/shutdown, the atomization rate increase, and the atomization rate reduction function according to the program corresponding to the main controller pin.

In some embodiments, the tank is integrally formed with the nozzle.

In some embodiments, the atomizing sheet is disposed at a central location of the nozzle and in communication with the bottom of the tank.

In some embodiments, an upper cover for opening and closing the liquid tank is disposed above the liquid tank.

In some embodiments, the front side of the housing is provided with a power button, a plus button and a minus button connected to the circuit board, and a Micro USB interface for battery charging is disposed on the back of the housing.

In some embodiments, the battery is a lithium titanate rechargeable battery.

The beneficial effects of the present invention are that it has the effect that the atomization rate of the atomizer can be adjusted and the adjustable range is large. Since the main controller is used for the logic control portion of the entire circuit portion, responsible for outputting the driving frequency and the driving voltage signal and recording information, the boosting unit is for outputting the voltage applied across the atomizing sheet driving unit, and the boost adjusting unit is for adjusting the rise. The feedback voltage of the pressing unit, the atomizing sheet driving circuit is used to drive the atomizing sheet according to the driving frequency and the driving voltage, and the button unit is used for interactive input signals to start the main controller input program. At the beginning of atomization, the main controller outputs different driving frequencies to control the atomizing sheet driving unit to drive the atomizing sheet. At the same time, when each frequency is output, the feedback voltage of the atomizing sheet is detected and recorded. Then, the main controller controls the boost adjusting unit to output different voltages, and the main controller continues to output different driving frequencies to control the atomizing sheet driving unit, and detects the feedback voltage of the atomizing sheet and records each frequency when outputting each frequency. Through the above atomization sweep mode, an array of feedback voltages of the atomization sheet with a larger range of atomization rates under different driving voltages and driving frequencies can be obtained, and the main controller can trace and load each element through the feedback voltage array. An atomization rate corresponds to a driving frequency and a driving voltage on the atomizing sheet driving unit, thereby realizing an adjustable atomization rate. Moreover, since the atomization rate is determined by the vibration speed and amplitude of the atomizing sheet, it can be realized by adjusting the driving frequency or the driving voltage of the atomizing sheet. By adjusting the driving voltage and the driving frequency together, the present invention obtains a larger range of atomization rates than only by the driving voltage or the driving frequency, thereby correspondingly increasing the atomization rate adjustable range. The effect of adjusting the atomization rate of the atomizer and the adjustable range is achieved.

DRAWINGS

Figure 1 is a schematic view showing the internal structure of the present invention;

Figure 2 is a block schematic diagram of the circuit board shown in Figure 1;

3 is a circuit diagram of the circuit board shown in FIG. 1.

Detailed ways

The invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1-3, a variable frequency variable atomizer includes a casing 1, a nozzle 2 disposed on one side of the casing 1, and an atomization disposed in the casing 1 on the side of the nozzle 2. The sheet 3 and the chemical tank 4 provided on the side of the atomizing sheet 3, and a circuit board 5 connected to the atomizing sheet 3 and a battery 6 connected to the circuit board 5 are provided in the casing 1. A card slot is provided on the side of the drug solution tank 4, and a slider, a return spring, and the like provided on the casing 1 are detachably connected to the casing 1 and the chemical tank 4. As the above-described deformed structure, the casing 1 and the chemical tank 4 can also be connected by other detachable means such as a thread, a hinge, a slide rail or the like. A button corresponding to the push button switch in the circuit board 5 is also provided on the front side of the housing 1. The circuit board 5 includes a main controller, and a boosting unit, a boost adjusting unit, an atomizing sheet 3 driving unit and a button unit respectively connected to the main controller; the boosting unit and the atomizing sheet 3 driving unit and The battery 6 is connected; the atomizing sheet 3 driving unit is connected to the atomizing sheet 3. The boosting adjustment unit includes a first switching transistor Q1, a second switching transistor Q2, and a third switching transistor Q3, and a first resistor R06 connected to the first switching transistor Q1, the second switching transistor Q2, and the third switching transistor Q3, respectively. The second resistor R07 and the third resistor R08. The controlled terminals on the first switching transistor Q1, the second switching transistor Q2, and the third switching transistor Q3 are respectively connected to the eighth pin, the ninth pin, and the tenth pin of the signal output terminal of the main controller. The low-potential ends of the first switching transistor Q1, the second switching transistor Q2, and the third switching transistor Q3 are coupled to the ground. The high potential end of the first switching transistor Q1 is connected to one end of the first resistor R06, the high potential end of the second switching transistor Q2 is connected to one end of the second resistor R07, and the high potential of the third switching transistor Q3 is connected. The terminal is connected to one end of the third resistor R08. The other end of the first resistor R06, the other end of the second resistor R07, and the other end of the third resistor R08 are connected in parallel to the feedback end of the boosting unit. The button unit includes a button switch KEY1 connected to the 20th pin on the signal input end of the main controller, a key switch KEY2 connected to the 19th pin on the signal input end of the main controller, and a 18th pin connected to the signal input end of the main controller. The key switch KEY3 can perform the power start/shutdown, the atomization rate increase, and the atomization rate reduction function according to the program corresponding to the main controller pin. The chemical tank 4 is integrally formed with the nozzle 2. The atomizing sheet 3 is disposed at a center position of the nozzle 2 and communicates with the bottom of the chemical tank 4. An upper cover for opening and closing the chemical tank 4 is disposed above the chemical tank 4. The front side of the casing 1 is provided with a power button, a plus button and a minus button connected to the circuit board 5, and a Micro USB interface 7 for charging the battery 6 is disposed on the back of the casing 1. Battery 6 is a lithium titanate rechargeable battery.

When the atomization application is started, the main controller outputs different driving frequencies to control the atomizing sheet 3 driving unit to drive the atomizing sheet 3. At the same time, when each frequency is output, the feedback voltage of the atomizing sheet 3 is detected and recorded. Then, the main controller controls the boost adjusting unit to output different voltages, and the main controller continues to output different driving frequencies to control the atomizing sheet 3 driving unit, and detects the feedback voltage of the atomizing sheet 3 and records each frequency when outputting each frequency. . Through the above atomization sweep mode, an array of feedback voltages of the atomization sheet 3 with a larger range of atomization rate under different driving voltages and driving frequencies can be obtained, and the main controller can trace and load through the elements in the feedback voltage array. Each atomization rate corresponds to the driving frequency and the driving voltage on the driving unit of the atomizing sheet 3, thereby realizing the adjustment of the atomization rate. Moreover, since the atomization rate is determined by the vibration speed and amplitude of the atomizing sheet 3, it can be realized by adjusting the driving frequency or the driving voltage of the atomizing sheet 3. By adjusting the driving voltage and the driving frequency together, the present invention obtains a larger range of atomization rates than only by the driving voltage or the driving frequency, thereby correspondingly increasing the atomization rate adjustable range.

As shown in FIG. 3, the working principle of the circuit board 5, the main controller receives the key switch KEY1 interactive input signal and starts to sweep. The main controller outputs different driving frequencies to adjust the frequency at B, and the atomizing sheet 3 starts to vibrate; at the same time, the main controller detects the feedback voltage at E and outputs information when outputting each frequency; then the main controller adjusts the power at C level. Adjusting the parallel relationship between the first resistor R06, the second resistor R07 and the third resistor R08 in the boost adjustment unit to adjust the feedback voltage at D, thereby adjusting the output voltage at A, and continuing to output different drive frequencies to adjust B The frequency at which the feedback voltage at E is detected and the information is recorded at each frequency; the recorded information may include the atomization rate of the atomizing sheet 3, its corresponding feedback voltage, the loaded driving voltage, the driving frequency, and the like. Information and its array of objects arranged in a certain order. After the frequency sweep ends, the main controller 301 receives the key input signals of the key switches KEY2 and KEY3, and adjusts the actual feedback voltage at the E by changing the driving voltage and the driving frequency, so that the actual feedback voltage reaches the required atomization rate in the array. The voltage is fed back, thereby changing the magnitude of the atomization rate.

What has been described above is only some embodiments of the invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the inventive concept.

Claims

A variable frequency variable pressure atomizer, comprising: a casing, a nozzle provided on one side of the casing, an atomizing piece disposed in the casing on one side of the nozzle, and a side of the atomizing piece a liquid tank, and a circuit board connected to the atomizing sheet and a battery connected to the circuit board in the housing;

The circuit board includes a main controller, and a boosting unit, a boost adjusting unit, an atomizing sheet driving unit and a button unit respectively connected to the main controller; the boosting unit and the atomizing sheet driving unit respectively a battery connection; the atomizing sheet driving unit is connected to the atomizing sheet;

The boost adjustment unit includes a first switch tube Q1, a second switch tube Q2, and a third switch tube Q3, and a first connection with the first switch tube Q1, the second switch tube Q2, and the third switch tube Q3, respectively. a resistor R06, a second resistor R07 and a third resistor R08;

The controlled ends of the first switch transistor Q1, the second switch transistor Q2, and the third switch transistor Q3 are respectively connected to the eighth pin, the ninth pin, and the tenth pin of the signal output end of the main controller. ;

The low potential end of the first switch tube Q1, the second switch tube Q2, and the third switch tube Q3 are coupled to the ground line; the high potential end of the first switch tube Q1 is connected to one end of the first resistor R06. The high potential end of the second switch tube Q2 is connected to one end of the second resistor R07, and the high potential end of the third switch tube Q3 is connected to one end of the third resistor R08;

The other end of the first resistor R06, the other end of the second resistor R07, and the other end of the third resistor R08 are connected in parallel to the feedback end of the boosting unit;

The button unit comprises a button switch KEY1 connected to the 20th pin on the signal input end of the main controller, a key switch KEY2 connected to the 19th pin on the signal input end of the main controller, and a 18th on the signal input end of the main controller. The key switch KEY3 connected to the pin.
The variable frequency transformer atomizer according to claim 1, wherein the liquid tank is integrally formed with the nozzle.
The variable frequency transformer atomizer according to claim 2, wherein the atomizing sheet is disposed at a center position of the nozzle and communicates with the bottom of the liquid tank.
A variable frequency variable pressure atomizer according to claim 1, 2 or 3, wherein said liquid tank is provided with an upper cover for opening and closing the liquid tank.
The variable frequency transformer atomizer according to claim 1, wherein the front surface of the casing is provided with a power button, a plus button and a minus button connected to the circuit board; A Micro USB interface for battery charging is provided on the back of the body.
A variable frequency variable pressure atomizer according to claim 1, wherein said battery is a lithium titanate rechargeable battery.