CN214045591U - Anti-oxidation control circuit of atomizing plate and atomizer - Google Patents
Anti-oxidation control circuit of atomizing plate and atomizer Download PDFInfo
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- CN214045591U CN214045591U CN202022975756.1U CN202022975756U CN214045591U CN 214045591 U CN214045591 U CN 214045591U CN 202022975756 U CN202022975756 U CN 202022975756U CN 214045591 U CN214045591 U CN 214045591U
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Abstract
The utility model discloses an anti-oxidation control circuit of atomizing piece and atomizer, an anti-oxidation control circuit of atomizing piece includes: the device comprises a main control module, a power supply module, an atomization plate driving module, an ozone generator driving module and an anti-oxidation module; the main control module, the atomization plate driving module, the ozone generator driving module and the anti-oxidation module are respectively and electrically connected with the power supply module; the atomization plate driving module and the ozone generator driving module are respectively and electrically connected with the main control module; the atomization plate driving module is electrically connected with the anti-oxidation module; the ozone generator driving module is used for driving an ozone generator in the liquid container to work; the atomization sheet driving module is used for driving an atomization sheet in the liquid container to work; the anti-oxidation module is used for blocking the direct-current power supply input of the atomization sheet when the atomization sheet driving module does not work. The utility model discloses can prevent effectively that the atomizing piece from by the oxidation.
Description
Technical Field
The utility model relates to an atomizer technical field especially relates to an anti-oxidation control circuit of atomizing piece and atomizer.
Background
The medical atomizer is mainly used for treating various upper and lower respiratory system diseases, such as common cold, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis and other diseases in trachea, bronchus, alveolus and thoracic cavity. The atomized inhalation therapy is an important and effective therapy method in the respiratory system disease therapy, the atomized inhalator is adopted to atomize the liquid medicine into tiny particles, and the medicine enters the respiratory tract and the lung for deposition in a respiratory inhalation mode, thereby achieving the aim of painless, rapid and effective therapy.
However, in the liquid container of the prior art atomizer product, a power supply and control circuit is often shared with an ozone generator and the like, and the ozone generator is used for disinfecting and sterilizing the atomized liquid. Generally, the driving circuit of the atomizer has one end directly connected to the positive electrode of the power supply or to a direct current electrode such as a certain electrode of a triode, and the other end connected to the output coupling capacitor of the driving circuit of the atomizer. When the atomizer stops working, although the control circuit closes the atomization driving circuit and does not directly provide the working condition of the atomization plate, when an ozone generator or other generators are arranged in the same container, the ozone generator or other generators are driven by direct current, so that the electrode power supply part of the atomization plate soaked in liquid is conducted to the electrode end of the ozone generator or other generators through the liquid due to the fact that the electrode power supply part is connected with the direct current electrode, and the electrode of the atomization plate still has current to pass through, and the atomization plate is oxidized. Therefore, the invention of a reliable anti-oxidation control circuit for an atomizing plate is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide an anti-oxidation control circuit of atomizing piece and atomizer.
In a first aspect, the utility model discloses an atomization plate anti-oxidation control circuit, which comprises a main control module, a power module, an atomization plate driving module, an ozone generator driving module and an anti-oxidation module; the main control module, the atomization plate driving module, the ozone generator driving module and the anti-oxidation module are respectively and electrically connected with the power supply module; the atomization plate driving module and the ozone generator driving module are respectively and electrically connected with the main control module; the atomization plate driving module is electrically connected with the anti-oxidation module; the ozone generator driving module is used for driving an ozone generator in the liquid container to work; the atomization sheet driving module is used for driving an atomization sheet in the liquid container to work; the anti-oxidation module is used for blocking the direct-current power supply input of the atomization sheet when the atomization sheet driving module does not work.
Preferably, the anti-oxidation module comprises 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 with the atomization sheet, and the second end of the first capacitor and the second end of the second capacitor are respectively electrically connected with the atomization sheet driving module.
Preferably, the oxidation prevention module includes a first relay unit and a second relay unit; the first relay unit is respectively electrically connected with the main control module and the atomization sheet, and the second relay unit is respectively electrically connected with the main control module and the atomization sheet.
Preferably, the anti-oxidation module includes a third capacitor and a third relay unit; the first end of the third capacitor is electrically connected with the atomization plate, and the second end of the third capacitor is electrically connected with the atomization plate driving module; and the third relay unit is respectively and electrically connected with the main control module and the atomizing sheet.
Preferably, the first relay unit includes a relay, a first triode, and a first resistor; the first end of the first resistor is electrically connected with the main control module, the second end of the first resistor is electrically connected with the base electrode of the first triode, the collector electrode of the first triode is electrically connected with the first end of the relay, the emitter electrode of the first triode is grounded, the second end and the third end of the relay are electrically connected with the power module, and the fourth end of the relay is electrically connected with the atomization sheet.
Preferably, the atomization sheet driving module comprises a boosting unit and a driving unit; the boosting unit is electrically connected with the power module, and the driving unit is electrically connected with the boosting unit.
Preferably, the driving unit comprises a PWM signal input subunit, a voltage transformation subunit, a current sampling subunit and an oscillation subunit; the PWM signal input unit and the voltage transformation subunit are respectively and electrically connected with the main control module; the oscillator subunit is respectively electrically connected with the PWM signal input unit, the current sampling subunit and the anti-oxidation module, and the current sampling subunit is respectively electrically connected with the power supply module, the main control module and the anti-oxidation module.
In a second aspect, the utility model discloses a device, including the first aspect an anti-oxidation control circuit of atomizing piece.
The utility model discloses an anti-oxidation control circuit of atomizing piece has following beneficial effect, the utility model discloses an anti-oxidation control circuit of atomizing piece includes: the device comprises a main control module, a power supply module, an atomization plate driving module, an ozone generator driving module and an anti-oxidation module; the main control module, the atomization plate driving module, the ozone generator driving module and the anti-oxidation module are respectively and electrically connected with the power supply module; the atomization plate driving module and the ozone generator driving module are respectively and electrically connected with the main control module; the atomization plate driving module is electrically connected with the anti-oxidation module; the ozone generator driving module is used for driving an ozone generator in the liquid container to work; the atomization sheet driving module is used for driving an atomization sheet in the liquid container to work; the anti-oxidation module is used for blocking the direct current power supply input of the atomization sheet when the atomization sheet driving module does not work, and meanwhile, the normal alternating current input of the driving circuit is ensured when the atomization sheet driving module works. Therefore, the utility model discloses a direct current power supply to atomizing piece both ends all cuts off, makes it not influenced by electrodes such as ozone generator or other generators, prevents effectively that the atomizing piece from by the oxidation.
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, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic block diagram of an anti-oxidation control circuit for an atomizing plate according to a preferred embodiment of the present invention;
fig. 2 is a schematic block diagram of an anti-oxidation control circuit for an atomizing plate according to another preferred embodiment of the present invention;
fig. 3 is a circuit diagram of a boosting unit of an anti-oxidation control circuit for an atomizing plate according to a preferred embodiment of the present invention;
fig. 4 is a circuit diagram of a driving unit of an anti-oxidation control circuit for an atomizing plate according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
The preferred embodiment of the present invention is shown in fig. 1, and comprises a main control module 1, a power module 2, an atomization plate driving module 3, an ozone generator driving module 4 and an anti-oxidation module 5; the main control module 1, the atomization plate driving module 3, the ozone generator driving module 4 and the anti-oxidation module 5 are respectively electrically connected with the power supply module 2; the atomization plate driving module 3 and the ozone generator driving module 4 are respectively and electrically connected with the main control module 1; the atomization plate driving module 3 is electrically connected with the anti-oxidation module; the ozone generator driving module 4 is used for driving an ozone generator in the liquid container to work; the atomization sheet driving module 3 is used for driving an atomization sheet in a liquid container to work; the anti-oxidation module 5 is used for switching the power supply input of the atomization sheet when the atomization sheet driving module 3 does not work, and meanwhile, the normal alternating current input of the driving circuit is ensured when the atomization sheet driving module 3 works. Therefore, the utility model discloses a direct current power supply to atomizing piece both ends all cuts off, makes it not influenced by electrodes such as ozone generator or other generators, prevents effectively that the atomizing piece from by the oxidation.
In a preferred embodiment, referring to fig. 2, the anti-oxidation module 5 includes a first capacitor C5 and a second capacitor C10; a first end of the first capacitor C5 and a first end of the second capacitor C10 are electrically connected to the atomization sheet, respectively, and a second end of the first capacitor C5 and a second end of the second capacitor C10 are electrically connected to the atomization sheet driving module 3, respectively. It can be understood that the utility model discloses receive low capacity electric capacity respectively the both ends of atomizing piece electrode work as when main control module 1 starts atomizing piece drive module 3, because the atomizing drive is alternating current signal, the electric capacity at atomizing piece electrode both ends can be smoothly through alternating current drive signal, accomplishes atomizing work because the electric capacity has through exchanging and separation direct current effect. When the main control module 1 closes the atomization sheet driving module 3, because the capacitor has a direct current blocking function, the current of the electrode where the ozone generator or other generators in the same liquid container are located cannot be conducted to any end of the atomization sheet electrode through liquid, so that the atomization sheet electrode does not have current, the atomization sheet cannot be oxidized, and the normal service life of the atomization sheet is ensured.
In a preferred embodiment, the oxidation preventing module 5 includes a first relay unit 51 and a second relay unit; the first relay unit 51 is respectively electrically connected with the main control module 1 and the atomization sheet, and the second relay unit is respectively electrically connected with the main control module 1 and the atomization sheet. It can be understood that, in this embodiment, the first relay unit 51 and the second relay unit are connected to two ends of the atomization sheet electrode, and when the main control module 1 starts the atomization sheet driving module 3, the relay is closed to enable the atomization driving alternating current signal to pass through, so as to complete the atomization work. When the main control module 1 closes the atomization sheet driving module 3, the relay unit is disconnected to block the direct current signal from passing through, so that the current of the electrode where the ozone generator or other generators in the same liquid container are positioned is prevented from being conducted to any end of the atomization sheet electrode through liquid to form oxidation.
In a preferred embodiment, referring to fig. 3, the anti-oxidation module 5 includes a third capacitor C4 and a third relay unit; a first end of the third capacitor C4 is electrically connected to the atomization plate, and a second end of the third capacitor C4 is electrically connected to the atomization plate driving module 3; and the third relay unit is respectively and electrically connected with the main control module 1 and the atomization sheet.
Preferably, referring 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 first resistance R2 with main control module 1 electricity is connected, the second end of first resistance R2 with the base electricity of first triode Q2 is connected, the collecting electrode of first triode Q2 with the first end electricity of relay K1 is connected, the emitter ground of first triode Q2, the second end and the third end of relay K1 with power module 2 electricity is connected, the fourth end of relay K1 with the atomizing piece electricity is connected. It can be understood that the first transistor Q2 is used for amplifying the relay control signal of the main control module 1, and the first resistor R2 is used for ensuring reliable turn-off of the first transistor Q2. The second relay unit and the third relay unit have the same structure as the first relay unit, and are not described herein again.
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, referring to fig. 3, the boost unit includes a boost driver U4, a first inductor L1, a first diode D1, a first capacitor C3, a second capacitor C5, a third capacitor C1, a fourth capacitor C6, a fifth capacitor C18, a second resistor R12, a third resistor R11, a fourth resistor R32, and a sliding varistor CW; a first end of the first capacitor C3 is electrically connected to the first end of the first inductor L1, 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, respectively, a second end of the first capacitor C3 is grounded, a second end of the first inductor L1 is electrically connected to the third end of the boost driver U4 and the first end of the first diode, respectively, a second end of the first diode D1 is 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, respectively, a 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 a second end of the third resistor R11 is electrically connected to the first end of the fourth resistor R32 and the first end of the sliding resistor R1, the second end of the fourth resistor R32, the second end and the third end of the sliding rheostat 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 to form a discharge loop in cooperation with the first inductor L1 and the first capacitor C3. The second resistor R12, the third resistor R11, the fourth resistor R32 and the sliding rheostat CW are used for voltage division to form a 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 is understood that the boost driver model of the present embodiment is not particularly limited.
Preferably, referring to fig. 4, the driving unit 42 includes a PWM signal input sub-unit 421, a voltage transforming sub-unit 422, a current sampling sub-unit 423, and an oscillating sub-unit 424; the PWM signal input unit 421 and the transformer sub-unit 422 are electrically connected to the main control module 1, respectively; the oscillation subunit 424 is electrically connected to the PWM signal input unit 421, the current sampling subunit 423, and the anti-oxidation module 5, respectively, and the current sampling subunit 423 is electrically connected to the power module 2, the main control module 1, and the anti-oxidation module 5, respectively. It can be understood that the PWM signal input subunit 421 is configured to control the on/off control of the atomizing plate and the size of the atomizing amount, and the voltage transforming subunit 422 is configured to receive the voltage of the voltage boosting unit and form the input voltage of the driving unit; the current sampling unit 423 is used for feeding back the current condition of the driving unit to the main control module and forming current-limiting protection; the oscillation subunit 424 forms positive feedback oscillation by cooperating with the piezoelectric ceramic atomization plate, so as to form the working frequency required by the atomizer.
Preferably, the PWM signal input unit 421 includes a fifth resistor R3, a sixth resistor R4, and a sixth capacitor C7; a first end of the sixth capacitor C7, a first end of the fifth resistor R3, and a first end of the sixth resistor R4 are electrically connected to a nebulizer control interface CN1 and a PWM output port of the main control module 1, respectively, the nebulizer control interface CN1 is electrically connected to the main control module 1, a second end of the sixth capacitor C7 and a second end of the fifth resistor R3 are grounded, and a second end of the sixth resistor R4 is electrically connected to the oscillator subunit 424. It can be understood that the sixth resistor R4 is a base bias current-limiting resistor, the fifth resistor is a R3 base bias pull-down resistor, and the sixth capacitor C7 is a noise filtering capacitor, and in this embodiment, the PWM output port of the main control module 1 controls the on-off control of the atomizer and the atomization amount.
Preferably, the voltage transformation subunit 422 includes a transformer L4, a seventh capacitor C11, an eighth capacitor C6 and a ninth capacitor C12; a first end of the eighth capacitor C6 is electrically connected to the first end of the transformer L4 and the nebulizer control interface CN1, a second end of the eighth capacitor C6 is electrically connected to the second end of the transformer L4 and the nebulizer control interface CN1, a third end of the transformer L4 is electrically connected to the first end of the eighth capacitor C6 and ground, a fourth end of the transformer L4 is electrically connected to the second end of the eighth capacitor C6, the first end of the ninth capacitor C12 and the output end of the voltage boosting unit 41, and a second end 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; a first end of the seventh resistor R7 is electrically connected to the first end of the eighth resistor R8, the first end of the tenth capacitor C3, the atomizer control interface CN1, and the oscillator subunit 424, a second end of the seventh resistor R7 and a second end of the eighth resistor R8 are grounded, a first end of the eleventh capacitor C9 is electrically connected to the output end of the voltage boosting unit 41, a second end of the eleventh capacitor C9 is electrically connected to the oscillator subunit 424 and the first end of the second capacitor C10, and a second end of the second capacitor C10 is connected to the first end of the atomizing plate as the first end of OUT. It can be understood that the seventh resistor R7 and the eighth resistor R8 are emitter current limiting resistors to form current limiting protection, and the main control module 1 controls whether the atomization sheet driving module 3 needs to be shut down according to the current sampling value.
The oscillating subunit 424 comprises a second inductor L2, a second diode D1, a second triode Q1, a twelfth capacitor C8, a thirteenth capacitor C2, a fourteenth capacitor C1 and a ninth resistor R1; a first end of the twelfth capacitor C8 and a first end of the ninth resistor R1 are connected to the PWM signal input unit 421 through an inductor L1, and are electrically connected to the first end of the first capacitor C5 and the first end of the third capacitor C4, a second end of the first capacitor C5 is connected to the first end of the first connection seat OUT of the atomization plate, a second end of the third capacitor C4 is connected to the first end of the second connection seat OUT1 of the atomization plate, a second end of the twelfth capacitor C8, a first end of the thirteenth capacitor C2 and a first end of the second diode D1 are connected to the current sampling subunit 423 through an inductor L2, and a second end of the thirteenth capacitor C2 is electrically connected to the output end of the voltage boosting unit 41, the second end of the second diode D1, the first end of the fourteenth capacitor C1 and the collector of the second triode D1, a second end of the fourteenth capacitor C1 is electrically connected to the second end of the ninth resistor R1 and the base of the second transistor Q1, respectively, an emitter of the second transistor Q1 is electrically connected to the first end of the second inductor L2, and a second end of the second inductor L2 is connected to 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, the second inductor L2, and the like form a three-point oscillation circuit, and cooperate with the piezoelectric ceramic atomizing sheet to form positive feedback oscillation.
Example two
The utility model also discloses an atomizer, including embodiment one an anti-oxidation control circuit of atomizing piece.
To sum up, the anti-oxidation control circuit for the atomization plate provided by the utility model comprises a main control module 1, a power module 2, an atomization plate driving module 3, an ozone generator driving module 4 and an anti-oxidation module 5; the main control module 1, the atomization plate driving module 3, the ozone generator driving module 4 and the anti-oxidation module 5 are respectively electrically connected with the power supply module 2; the atomization plate driving module 3 and the ozone generator driving module 4 are respectively and electrically connected with the main control module 1; the atomization plate driving module 3 is electrically connected with the anti-oxidation module; the ozone generator driving module 4 is used for driving an ozone generator in the liquid container to work; the atomization sheet driving module 3 is used for driving an atomization sheet in a liquid container to work; the anti-oxidation module 5 is used for switching the power supply input of the atomization sheet when the atomization sheet driving module 3 does not work, and meanwhile, the normal alternating current input of the driving circuit is ensured when the atomization sheet driving module 3 works. Therefore, the utility model discloses a direct current power supply to atomizing piece both ends all cuts off, makes it not influenced by electrodes such as ozone generator or other generators, prevents effectively that the atomizing piece from by the oxidation.
The anti-oxidation control circuit for the atomizing plate and the atomizer provided by the utility model are introduced in detail, the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, to the general technical personnel in this field, according to the utility model discloses an idea, all can have the change part on concrete implementation and application scope, to sum up, this description content only is the utility model discloses an embodiment, does not consequently restrict the utility model discloses a patent scope, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawing did, or directly or indirectly use in other relevant technical fields, all the same reason is included in the utility model discloses a patent protection scope. And should not be construed as limiting the invention.
Claims (8)
1. An anti-oxidation control circuit of an atomizing plate is characterized by comprising: the device comprises a main control module, a power supply module, an atomization plate driving module, an ozone generator driving module and an anti-oxidation module; the main control module, the atomization plate driving module, the ozone generator driving module and the anti-oxidation module are respectively and electrically connected with the power supply module; the atomization plate driving module and the ozone generator driving module are respectively and electrically connected with the main control module; the atomization plate driving module is electrically connected with the anti-oxidation module; the ozone generator driving module is used for driving an ozone generator in the liquid container to work; the atomization sheet driving module is used for driving an atomization sheet in the liquid container to work; the anti-oxidation module is used for blocking the direct-current power supply input of the atomization sheet when the atomization sheet driving module does not work.
2. The atomization plate anti-oxidation control circuit of claim 1, wherein the anti-oxidation module comprises 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 with the atomization sheet, and the second end of the first capacitor and the second end of the second capacitor are respectively electrically connected with the atomization sheet driving module.
3. The atomization plate anti-oxidation control circuit of claim 1, wherein the anti-oxidation module comprises a first relay unit and a second relay unit; the first relay unit is respectively electrically connected with the main control module and the atomization sheet, and the second relay unit is respectively electrically connected with the main control module and the atomization sheet.
4. The atomization plate anti-oxidation control circuit of claim 1, wherein the anti-oxidation module comprises a third capacitor and a third relay unit; the first end of the third capacitor is electrically connected with the atomization plate, and the second end of the third capacitor is electrically connected with the atomization plate driving module; and the third relay unit is respectively and electrically connected with the main control module and the atomizing sheet.
5. The control circuit for preventing the oxidation of the atomizing plate 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 electrically connected with the main control module, the second end of the first resistor is electrically connected with the base electrode of the first triode, the collector electrode of the first triode is electrically connected with the first end of the relay, the emitter electrode of the first triode is grounded, the second end and the third end of the relay are electrically connected with the power module, and the fourth end of the relay is electrically connected with the atomization sheet.
6. The atomization plate anti-oxidation control circuit according to claim 2, 3 or 4, wherein the atomization plate driving module comprises a boosting unit and a driving unit; the boosting unit is electrically connected with the power module, and the driving unit is electrically connected with the boosting unit.
7. The atomization plate anti-oxidation control circuit of claim 6, wherein the driving unit comprises a PWM signal input subunit, a voltage transformation subunit, a current sampling subunit and an oscillation subunit; the PWM signal input unit and the voltage transformation subunit are respectively and electrically connected with the main control module; the oscillator subunit is respectively electrically connected with the PWM signal input unit, the current sampling subunit and the anti-oxidation module, and the current sampling subunit is respectively electrically connected with the power supply module, the main control module and the anti-oxidation module.
8. An atomizer comprising the atomizing plate oxidation prevention control circuit according to any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112583391A (en) * | 2020-12-08 | 2021-03-30 | 唐锋机电科技（深圳）有限公司 | Atomization plate anti-oxidation control circuit and method |
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| CN112583391A (en) * | 2020-12-08 | 2021-03-30 | 唐锋机电科技（深圳）有限公司 | Atomization plate anti-oxidation control circuit and method |
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