WO2022120562A1 - Anti-oxidation control circuit and method for atomization sheet - Google Patents

Abstract

An anti-oxidation control circuit and method for an atomization sheet. The anti-oxidation control circuit for the atomization sheet comprises: a main control module (1), a power supply module (2), an atomization sheet driving module (3), an ozone generator driving module (4), and an anti-oxidation module (5), wherein the main control module (1), the atomization sheet driving module (3), the ozone generator driving module (4), and the anti-oxidation module (5) are electrically connected to the power supply module (2) respectively; the atomization sheet driving module (3) and the ozone generator driving module (4) are electrically connected to the main control module (1) respectively; the atomization sheet driving module (3) is electrically connected to the anti-oxidation module (5); the ozone generator driving module (4) is used for driving an ozone generator in a liquid container (A) to work; the atomization sheet driving module (3) is used for driving an atomization sheet in the liquid container (A) to work; and the anti-oxidation module (5) is used for blocking direct current power supply input of the atomization sheet when the atomization sheet driving module (3) is not working. The oxidation of the atomization sheet can be effectively prevented.

Description

A kind of atomizing sheet anti-oxidation control circuit and method technical field

The invention relates to the technical field of atomizers, in particular to an anti-oxidation control circuit and method for an atomizing sheet.

Background technique

Medical atomizers are mainly used to treat various upper and lower respiratory system diseases, such as colds, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis and other diseases that occur in the trachea, bronchi, alveoli and chest cavity. Atomization inhalation therapy is an important and effective treatment method in the treatment of respiratory system diseases. Atomization inhaler is used to atomize the liquid medicine into tiny particles, and the medicine enters the respiratory tract and lungs through breathing and inhalation, so as to achieve no pain. , the purpose of rapid and effective treatment.

However, the liquid container of the atomizer product in the prior art often shares the power supply and control circuit with the ozone generator, etc., and the ozone generator is used to sterilize the atomized liquid. Usually, one end of the atomizer drive circuit is directly connected to the positive pole of the power supply or a DC electrode such as a triode, and the other end is connected to the output coupling capacitor of the atomization drive circuit. When the atomizer stops working, although the control circuit closes the atomization drive circuit and does not directly provide the working conditions of the atomizer, when there are ozone generators or other generators in the same container, due to ozone generation The generator or other generators are driven by DC, so that the electrode power supply part of the atomizer sheet immersed in the liquid will be conducted to the electrode end of the ozone generator or other generators through the liquid due to the DC electrode, so the electrode of the atomizer sheet There is still current passing through, which will cause the atomizing sheet to be oxidized. Therefore, inventing a reliable anti-oxidation control circuit for the atomizing sheet has become an urgent problem to be solved by those skilled in the art.

technical problem

The technical problem to be solved by the present invention is to provide an anti-oxidation control circuit and method for an atomizing sheet in view of the above-mentioned defects of the prior art.

technical solutions

In a first aspect, the present invention discloses an anti-oxidation control circuit for an atomizing tablet, comprising a main control module, a power module, an atomizing tablet driving module, an ozone generator driving module and an anti-oxidizing module; the main control module, the The atomizing tablet driving module, the ozone generator driving module and the anti-oxidation module are respectively electrically connected with the power module; the atomizing tablet driving module and the ozone generator driving module are respectively connected with the main control module electrical connection; the atomizing sheet driving module is electrically connected with the anti-fogging module; the ozone generator driving module is used for driving the ozone generator in the liquid container to work; the atomizing sheet driving module is used for driving the liquid The atomizing tablet in the container works; the anti-oxidation module is used to block the DC power input of the atomizing tablet when the atomizing tablet driving module is not working.

Preferably, the anti-oxidation module includes a first capacitor and a second capacitor; the first end of the first capacitor and the first end of the second capacitor are respectively electrically connected to the atomizing sheet, and the first The second end of the capacitor and the second end of the second capacitor are respectively electrically connected to the atomizing sheet driving module.

Preferably, the anti-oxidation module includes a first relay unit and a second relay unit; the first relay unit is respectively electrically connected to the main control module and the atomizing sheet, and the second relay unit is respectively connected to the The main control module and the atomizing sheet are electrically connected.

Preferably, the anti-oxidation module includes a third capacitor and a third relay unit; a first end of the third capacitor is electrically connected to the atomizer sheet, and a second end of the third capacitor is connected to the atomizer The chip driving module is electrically connected; the third relay unit is electrically connected with the main control module and the atomizing chip respectively.

Preferably, the first relay unit includes a relay, a first transistor and a first resistor; a first end of the first resistor is electrically connected to the main control module, and a second end of the first resistor is connected to the main control module. The base of the first triode is electrically connected, the collector of the first triode is electrically connected to the first end of the relay, the emitter of the first triode is grounded, and the The second end and the third end are electrically connected to the power module, and the fourth end of the relay is electrically connected to the atomizing sheet.

Preferably, the atomizing tablet driving module includes a boosting unit and a driving unit; the boosting unit is electrically connected to the power supply module, and the driving unit is electrically connected to the boosting unit.

Preferably, the driving unit includes a PWM signal input subunit, a voltage transformer subunit, a current sampling subunit, and an oscillator subunit; the PWM signal input unit and the voltage transformer subunit are respectively electrically connected to the main control module The oscillator sub-unit is respectively electrically connected with the PWM signal input unit, the current sampling sub-unit and the anti-oxidation module, and the current sampling sub-unit is respectively connected with the power supply module, the main control module and the Describe the electrical connection of the anti-oxidation module.

In a second aspect, the present invention discloses an anti-oxidation control method for an atomizing sheet, including the anti-oxidizing control circuit for an atomizing sheet described in the first aspect, and the method includes:

Obtain the working frequency of the atomizing tablet;

generating an AC drive current signal for driving the atomizing sheet to work according to the operating frequency;

When the main control module drives the atomizing tablet driving module, it controls the AC driving current signal to pass through to complete the atomization work;

When the main control module closes the atomizing sheet driving module, the DC voltage of the ozone generator in the liquid container flowing to the atomizing sheet is blocked.

beneficial effect

An anti-oxidation control circuit for an atomizing tablet of the present invention has the following beneficial effects. An anti-oxidizing control circuit for an atomizing tablet disclosed in the present invention includes: a main control module, a power supply module, an atomizing tablet driving module, and an ozone generator driving module and an anti-oxidation module; the main control module, the atomizer drive module, the ozone generator drive module and the anti-oxidation module are respectively electrically connected to the power module; the atomizer drive module and the The ozone generator driving module is respectively electrically connected with the main control module; the atomizing sheet driving module is electrically connected with the anti-fogging module; the ozone generator driving module is used to drive the ozone generator in the liquid container The atomizing tablet driving module is used to drive the atomizing tablet in the liquid container to work; the anti-oxidation module is used to block the DC power input of the atomizing tablet when the atomizing tablet driving module is not working, At the same time, the normal AC input of the driving circuit is ensured when the atomizing tablet driving module is working. Therefore, the present invention effectively prevents the atomizing sheet from being oxidized by cutting off the DC power supply at both ends of the atomizing sheet so that it is not affected by electrodes such as an ozone generator or other generators.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments. Ordinary technicians can also obtain other drawings based on these drawings without creative labor:

Fig. 1 is the principle block diagram of a kind of atomizing sheet anti-oxidation control circuit of the preferred embodiment of the present invention;

Fig. 2 is the principle block diagram of a kind of anti-oxidation control circuit of atomizing sheet of another preferred embodiment of the present invention;

3 is a circuit diagram of a booster unit of an anti-oxidation control circuit for an atomizing tablet according to a preferred embodiment of the present invention;

4 is a circuit diagram of a drive unit of an anti-oxidation control circuit for an atomizing sheet according to a preferred embodiment of the present invention;

FIG. 5 is a flow chart of a method for controlling oxidation prevention of an atomized sheet according to a preferred embodiment of the present invention.

Embodiments of the present invention

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

As shown in FIG. 1, the preferred embodiment of the present invention includes a main control module 1, a power module 2, an atomizer drive module 3, an ozone generator drive module 4 and an anti-oxidation module 5; the main control module 1, the The atomizing tablet driving module 3, the ozone generator driving module 4 and the anti-oxidation module 5 are respectively electrically connected to the power module 2; the atomizing tablet driving module 3 and the ozone generator driving module 4 are respectively electrically connected with the main control module 1; the atomizing tablet driving module 3 is electrically connected with the anti-atomization module; the ozone generator driving module 4 is used to drive the ozone generator in the liquid container to work; The atomizing tablet driving module 3 is used to drive the atomizing tablet in the liquid container to work; the anti-oxidation module 5 is used to switch the power input of the atomizing tablet when the atomizing tablet driving module 3 is not working, and at the same time The normal AC input of the driving circuit is ensured when the atomizing tablet driving module 3 is working. Therefore, the present invention effectively prevents the atomizing sheet from being oxidized by cutting off the DC power supply at both ends of the atomizing sheet so that it is not affected by electrodes such as an ozone generator or other generators.

In a preferred embodiment, please refer to FIG. 2 , the anti-oxidation module 5 includes a first capacitor C5 and a second capacitor C10 ; the first end of the first capacitor C5 and the first end of the second capacitor C10 The terminals are respectively electrically connected to the atomizing sheet, and the second terminal of the first capacitor C5 and the second terminal of the second capacitor C10 are respectively electrically connected to the atomizing sheet driving module 3 . It can be understood that, in the present invention, small-capacity capacitors are respectively connected to both ends of the atomizing sheet electrodes. Since the capacitors have the functions of passing AC and blocking DC, when the main control module 1 starts the atomizing sheet driving module 3 , Since the atomization drive is an AC signal, the capacitors at both ends of the atomizer electrode can smoothly pass the AC drive signal to complete the atomization work. When the main control module 1 closes the atomizer drive module 3, due to the DC blocking effect of the capacitor, the current of the ozone generator or other generators in the same liquid container cannot be conducted to the atomizer through the liquid. Either end of the sheet electrode, so the atomizing sheet electrode will not have current, and the atomizing sheet will not be oxidized, thus ensuring the normal life of the atomizing sheet.

In a preferred embodiment, the anti-oxidation module 5 includes a first relay unit 51 and a second relay unit; the first relay unit 51 is electrically connected to the main control module 1 and the atomizing sheet, respectively, The second relay unit is electrically connected to the main control module 1 and the atomizing sheet respectively. It can be understood that in this embodiment, by connecting the first relay unit 51 and the second relay unit to both ends of the atomizing tablet electrodes, when the main control module 1 starts the atomizing tablet driving module 3 When the relay is closed, the AC signal of the atomization drive is passed through, and the atomization work is completed. When the main control module 1 closes the atomizer drive module 3, the relay unit is disconnected to block the passage of the DC signal, preventing the current of the ozone generator or other generators in the same liquid container from conducting the current to the atomizer through the liquid. Oxidation is formed on either end of the wafer electrode.

In a preferred embodiment, please refer to FIG. 3 , the anti-oxidation module 5 includes a third capacitor C4 and a third relay unit; the first end of the third capacitor C4 is electrically connected to the atomizing sheet, so The second end of the third capacitor C4 is electrically connected to the atomizing chip driving module 3; the third relay unit is electrically connected to the main control module 1 and the atomizing chip, respectively.

Preferably, please refer to FIG. 4 , the first relay unit 51 includes a relay K1 , a first transistor Q2 and a first resistor R2 ; the first end of the first resistor R2 is electrically connected to the main control module 1 , the second end of the first resistor R2 is electrically connected to the base of the first transistor Q2, and the collector of the first transistor Q2 is electrically connected to the first end of the relay K1, so The emitter of the first transistor Q2 is grounded, the second end and the third end of the relay K1 are electrically connected to the power module 2 , and the fourth end of the relay K1 is electrically connected to the atomizing sheet. It can be understood that the first transistor Q2 is used to amplify the relay control signal of the main control module 1, and the first resistor R2 is used to ensure reliable turn-off of the first transistor Q2. The structures of the second relay unit and the third relay unit are the same as those of the first relay unit, and will not be repeated here.

Preferably, the ozone generator driving module 4 includes a boosting unit 41 and a driving unit 42 ; the boosting unit 41 is electrically connected to the power module 2 , and the driving unit 42 is electrically connected to the boosting unit 41 . .

Preferably, please refer to FIG. 3 , the boosting unit includes a boosting driver U4, a first inductor L1, a first diode D1, a first capacitor C3, a second capacitor C5, a third capacitor C1, and a fourth capacitor C6 , the fifth capacitor C18, the second resistor R12, the third resistor R11, the fourth resistor R32 and the sliding varistor CW; the first end of the first capacitor C3 is respectively connected with the first end of the first inductor L1, the The power module 2, the first end of the boost driver U4, the second end of the boost driver U4 and the first end of the second capacitor C5 are electrically connected, and the second end of the first capacitor C3 is grounded , the second end of the first inductor L1 is respectively electrically connected to the third end of the boost driver U4 and the first end of the first diode, and the second end of the first diode D1 are respectively electrically connected to the first end of the second resistor R12, the first end of the third capacitor C1, the first end of the fourth capacitor C6, the first end of the fifth capacitor C18 and the driving unit 42, The second end of the third resistor R11 is electrically connected to the fourth end of the boost driver U4 and the first end of the third resistor R11 respectively, and the second end of the third resistor R11 is respectively connected to the The first end of the fourth resistor R32 and the first end of the sliding varistor CW are electrically connected, and the second end of the fourth resistor R32, the second end and the third end of the sliding varistor CW are grounded. In this embodiment, the first inductor L1 is used for storing and discharging energy, the first capacitor C3 is used for storing energy, and the first diode D1 is used for connecting with the first inductor L1 and all The first capacitor C3 cooperates to form a discharge loop. The second resistor R12 , the third resistor R11 , the fourth resistor R32 and the sliding varistor CW are used for voltage division to form the feedback voltage of the FB pin of the boost driver. The third capacitor C1, the fourth capacitor C6, and the fifth capacitor C18 are used for output filtering. It can be understood that, the model of the boost driver in this embodiment is not specifically limited.

Preferably, please refer to FIG. 4 , the driving unit 42 includes a PWM signal input subunit 421, a voltage transformer subunit 422, a current sampling subunit 423 and an oscillator subunit 424; the PWM signal input unit 421 and the voltage transformer The subunits 422 are respectively electrically connected to the main control module 1; The sampling sub-units 423 are respectively electrically connected with the power module 2 , the main control module 1 and the anti-oxidation module 5 . It can be understood that the PWM signal input sub-unit 421 is used to control the switch control of the atomizing sheet and the amount of atomization, and the transformer sub-unit 422 is used to receive the voltage of the boosting unit and form a The input voltage of the drive unit; the current sampling unit 423 is used to feed back the current condition of the drive unit to the main control module, and form current limiting protection; the oscillator unit 424 cooperates with the piezoelectric ceramic atomizer to form a positive The feedback oscillation forms the working frequency required for the operation of the atomizer.

Preferably, the PWM signal input unit 421 includes a fifth resistor R3, a sixth resistor R4 and a sixth capacitor C7; the first end of the sixth capacitor C7, the first end of the fifth resistor R3, the The first end of the sixth resistor R4 is electrically connected to the atomizer control interface CN1 and the PWM output port of the main control module 1, respectively, the atomizer control interface CN1 is electrically connected to the main control module 1, and the The second end of the sixth capacitor C7 and the second end of the fifth resistor R3 are grounded, and the second end of the sixth resistor R4 is electrically connected to the oscillator sub-unit 424 . It can be understood that the sixth resistor R4 is a base bias current limiting resistor, the fifth resistor is a base bias pull-down resistor of R3, and the sixth capacitor C7 is a filter capacitor. The PWM output port of the main control module 1 controls the on/off control of the atomizer and the amount of atomization.

Preferably, the transformer sub-unit 422 includes a transformer L4, a seventh capacitor C11, an eighth capacitor C6 and a ninth capacitor C12; the first end of the eighth capacitor C6 is respectively connected with the first end of the transformer L4 and the The atomizer control interface CN1 is electrically connected, the second end of the eighth capacitor C6 is electrically connected to the second end of the transformer L4 and the atomizer control CN1, and the third end of the transformer L4 is respectively electrically connected is electrically connected to the first end of the eighth capacitor C6 and the ground, the fourth end of the transformer L4 is respectively connected to the second end of the eighth capacitor C6, the first end of the ninth capacitor C12 and the The output terminal of the boosting unit 41 is electrically connected, and the second terminal of the ninth capacitor C12 is grounded.

Preferably, the current sampling sub-unit 423 includes a seventh resistor R7, an eighth resistor R8, a tenth capacitor C3 and an eleventh capacitor C9; the first end of the seventh resistor R7 is respectively connected to the eighth resistor R8 The first end of the tenth capacitor C3, the atomizer control interface CN1 and the oscillator sub-unit 424 are electrically connected, the second end of the seventh resistor R7, the eighth resistor The second terminal of R8 is grounded, the first terminal of the eleventh capacitor C9 is electrically connected to the output terminal of the boosting unit 41 , and the second terminal of the eleventh capacitor C9 is connected to the oscillator sub-unit 424 respectively. It is electrically connected to the first end of the second capacitor C10, and the second end of the second capacitor C10 is connected to the first connection of the atomizing sheet as the first end of OUT. It can be understood that the seventh resistor R7 and the eighth resistor R8 are emission current-limiting resistors to form current-limiting protection, and the main control module 1 controls whether the atomizer drive module 3 needs or not according to the current sampling value. downtime.

The oscillator subunit 424 includes a second inductor L2, a second diode D1, a second transistor Q1, a twelfth capacitor C8, a thirteenth capacitor C2, a fourteenth capacitor C1, and a ninth resistor R1; The first end of the twelfth capacitor C8 and one end of the ninth resistor R1 are connected to the PWM signal input unit 421 through the inductor L1, and are connected to the first end of the first capacitor C5 and the third The first end of the capacitor C4 is electrically connected, the second end of the first capacitor C5 is connected to the first end of the first connection seat OUT of the atomizing sheet, and the second end of the third capacitor C4 is connected to the The first end of the second connection seat OUT1 of the atomizer, the second end of the twelfth capacitor C8, the first end of the thirteenth capacitor C2 and the first end of the second diode D1 pass through The inductor L2 is connected to the current sampling sub-unit 423, the second end of the thirteenth capacitor C2 is respectively connected to the output end of the boosting unit 41, the second end of the second diode D1, the The first end of the fourteenth capacitor C1 and the collector of the second transistor D1 are electrically connected, and the second end of the fourteenth capacitor C1 is respectively connected to the second end of the ninth resistor R1 and the The base of the second transistor Q1 is electrically connected, the emitter of the second transistor Q1 is electrically connected to the first terminal of the second inductor L2, and the second terminal of the second inductor L2 is connected to the the first end of the second diode Q1. It can be understood that the second transistor Q1, the twelfth capacitor C8, the thirteenth capacitor C2, and the second inductor L2 constitute a three-point oscillation circuit, which cooperates with the piezoelectric ceramic atomizer to form a positive feedback oscillation.

Embodiment 2

The present invention also discloses an anti-oxidation control method for the atomizing sheet, including the anti-oxidizing control circuit for the atomizing sheet described in the first embodiment, please refer to FIG. 5 , the method includes:

S1, obtain the working frequency of described atomizing tablet;

S2, generating an AC drive current signal that drives the atomizing sheet to work according to the operating frequency;

S3. When the main control module drives the atomizing tablet driving module, control the AC driving current signal to pass through to complete the atomization work;

S4. When the main control module turns off the atomizing sheet driving module, block the DC voltage of the ozone generator in the liquid container flowing to the atomizing sheet.

To sum up, an anti-oxidation control circuit for an atomizing tablet provided by the present invention includes a main control module 1, a power module 2, an atomizing tablet driving module 3, an ozone generator driving module 4 and an anti-oxidizing module 5; the The main control module 1, the atomizing tablet driving module 3, the ozone generator driving module 4 and the anti-oxidation module 5 are respectively electrically connected with the power module 2; the atomizing tablet driving module 3 and the The ozone generator driving module 4 is respectively electrically connected with the main control module 1; the atomizing tablet driving module 3 is electrically connected with the anti-fogging module; the ozone generator driving module 4 is used to drive the The ozone generator works; the atomizing tablet driving module 3 is used to drive the atomizing tablet in the liquid container to work; the anti-oxidation module 5 is used to switch the atomization when the atomizing tablet driving module 3 is not working The power input of the chip, and at the same time, the normal AC input of the driving circuit is ensured when the driving module 3 of the atomizing chip is working. Therefore, the present invention effectively prevents the atomizing sheet from being oxidized by cutting off the DC power supply at both ends of the atomizing sheet so that it is not affected by electrodes such as an ozone generator or other generators.

A kind of anti-oxidation control circuit and method of the atomizing sheet provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principles and implementations of the present invention. The descriptions of the above examples are only used to help understanding The method of the present invention and its core idea; at the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the contents of this specification are only The embodiments of the present invention are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are the same. Included in the scope of patent protection of the present invention. It should not be construed as a limitation of the present invention.

Claims (8)

1. An anti-oxidation control circuit for an atomizing tablet, comprising: a main control module, a power module, an atomizing tablet driving module, an ozone generator driving module and an anti-oxidizing module; the main control module, the atomizing tablet The driving module, the ozone generator driving module and the anti-oxidation module are respectively electrically connected with the power supply module; the atomizing tablet driving module and the ozone generator driving module are respectively electrically connected with the main control module; The atomizing tablet driving module is electrically connected with the anti-atomizing module; the ozone generator driving module is used for driving the ozone generator in the liquid container to work; the atomizing tablet driving module is used for driving the ozone generator in the liquid container. The atomizing tablet works; the anti-oxidation module is used to block the DC power input of the atomizing tablet when the atomizing tablet driving module is not working.
2. The anti-oxidation control circuit of an atomizing sheet according to claim 1, wherein the anti-oxidation module comprises a first capacitor and a second capacitor; the first end of the first capacitor and the second capacitor The first end of the first capacitor is respectively electrically connected to the atomizing sheet, and the second end of the first capacitor and the second end of the second capacitor are respectively electrically connected to the atomizing sheet driving module.
3. The anti-oxidation control circuit of an atomizing tablet according to claim 1, wherein the anti-oxidation module comprises a first relay unit and a second relay unit; the first relay unit is connected to the main control module respectively The second relay unit is electrically connected with the main control module and the atomizing sheet, respectively.
4. The anti-oxidation control circuit of an atomizing sheet according to claim 1, wherein the anti-oxidation module comprises a third capacitor and a third relay unit; the first end of the third capacitor is connected to the atomizer The chip is electrically connected, and the second end of the third capacitor is electrically connected to the atomizing chip driving module; the third relay unit is respectively electrically connected to the main control module and the atomizing chip.
5. The anti-oxidation control circuit for an atomizing sheet according to claim 3, wherein the first relay unit comprises a relay, a first triode and a first resistor; the first end of the first resistor is connected to The main control module is electrically connected, the second end of the first resistor is electrically connected to the base of the first triode, and the collector of the first triode is electrically connected to the first end of the relay. connected, the emitter of the first triode is grounded, the second end and the third end of the relay are electrically connected to the power supply module, and the fourth end of the relay is electrically connected to the atomizing sheet.
6. The anti-oxidation control circuit for an atomizing tablet according to claim 2, 3 or 4, wherein the atomizing tablet driving module comprises a booster unit and a drive unit; the booster unit, the power module electrically connected, the driving unit is electrically connected to the boosting unit.
7. The anti-oxidation control circuit for atomizing tablets according to claim 6, wherein the driving unit comprises a PWM signal input subunit, a voltage transformer subunit, a current sampling subunit and an oscillator subunit; the PWM signal The input unit and the transformer sub-unit are respectively electrically connected to the main control module; the oscillator sub-unit is respectively electrically connected to the PWM signal input unit, the current sampling sub-unit and the anti-oxidation module, the The current sampling subunit is respectively electrically connected with the power module, the main control module and the anti-oxidation module.
8. An anti-oxidation control method for an atomizing sheet, comprising the anti-fogging control circuit for an atomizing sheet according to any one of claims 1-7, the method comprising:

   Obtain the working frequency of the atomizing tablet;

   generating an AC drive current signal for driving the atomizing sheet to work according to the operating frequency;

   When the main control module drives the atomizing tablet driving module, it controls the AC driving current signal to pass through to complete the atomization work;

   When the main control module closes the atomizing sheet driving module, the DC voltage of the ozone generator in the liquid container flowing to the atomizing sheet is blocked.