WO2022120562A1 - Circuit de commande anti-oxydation et procédé pour feuille d'atomisation - Google Patents

Circuit de commande anti-oxydation et procédé pour feuille d'atomisation Download PDF

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Publication number
WO2022120562A1
WO2022120562A1 PCT/CN2020/134507 CN2020134507W WO2022120562A1 WO 2022120562 A1 WO2022120562 A1 WO 2022120562A1 CN 2020134507 W CN2020134507 W CN 2020134507W WO 2022120562 A1 WO2022120562 A1 WO 2022120562A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
atomizing
electrically connected
oxidation
capacitor
Prior art date
Application number
PCT/CN2020/134507
Other languages
English (en)
Chinese (zh)
Inventor
周立偉
周政宽
周文洪
Original Assignee
唐锋机电科技（深圳）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 唐锋机电科技（深圳）有限公司 filed Critical 唐锋机电科技（深圳）有限公司
Priority to PCT/CN2020/134507 priority Critical patent/WO2022120562A1/fr
Publication of WO2022120562A1 publication Critical patent/WO2022120562A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation

Definitions

  • the invention relates to the technical field of atomizers, in particular to an anti-oxidation control circuit and method for an atomizing sheet.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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:
  • 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;
  • 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
  • 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
  • FIG. 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
  • FIG. 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.
  • 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 prevent
  • 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.
  • 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.
  • 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.
  • 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.
  • the relay unit 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.
  • 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.
  • 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.
  • 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.
  • 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 . .
  • 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
  • the first inductor L1 is used for storing and discharging energy
  • the first capacitor C3 is used for storing energy
  • 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.
  • 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 .
  • the PWM signal input sub-unit 421 is used to control the switch control of the atomizing sheet and the amount of atomization
  • 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.
  • 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 .
  • the sixth resistor R4 is a base bias current limiting resistor
  • the fifth resistor is a base bias pull-down resistor of R3
  • 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.
  • 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.
  • 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.
  • 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 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.
  • 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:
  • an anti-oxidation control circuit for an atomizing tablet 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

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

Circuit de commande anti-oxydation et procédé pour une feuille d'atomisation. Le circuit de commande anti-oxydation pour la feuille d'atomisation comprend : un module de commande principal (1), un module d'alimentation électrique (2), un module d'entraînement de feuille d'atomisation (3), un module d'entraînement de générateur d'ozone (4), et un module anti-oxydation (5), le module de commande principal (1), le module d'entraînement de feuille d'atomisation (3), le module d'entraînement de générateur d'ozone (4), et le module anti-oxydation (5) étant électriquement connectés au module d'alimentation électrique (2) respectivement ; le module d'entraînement de feuille d'atomisation (3) et le module de commande de générateur d'ozone (4) sont électriquement connectés au module de commande principal (1) respectivement ; le module d'entraînement de feuille d'atomisation (3) est électriquement connecté au module anti-oxydation (5) ; le module de commande de générateur d'ozone (4) est utilisé pour entraîner le travail d'un générateur d'ozone dans un récipient de liquide (A) ; le module d'entraînement de feuille d'atomisation (3) est utilisé pour entraîner le travail d'une feuille d'atomisation dans le récipient de liquide (A) ; et le module anti-oxydation (5) est utilisé pour bloquer l'entrée d'alimentation électrique à courant continu de la feuille d'atomisation lorsque le module d'entraînement de feuille d'atomisation (3) ne fonctionne pas. L'oxydation de la feuille d'atomisation peut être efficacement évitée.
PCT/CN2020/134507 2020-12-08 2020-12-08 Circuit de commande anti-oxydation et procédé pour feuille d'atomisation WO2022120562A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/134507 WO2022120562A1 (fr) 2020-12-08 2020-12-08 Circuit de commande anti-oxydation et procédé pour feuille d'atomisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/134507 WO2022120562A1 (fr) 2020-12-08 2020-12-08 Circuit de commande anti-oxydation et procédé pour feuille d'atomisation

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2897239Y (zh) * 2006-02-16 2007-05-09 张军 利用臭氧、电极治疗妇科疾病的治疗仪
CN204746717U (zh) * 2015-06-19 2015-11-11 佛山市顺德区侨安电子有限公司 一种超声波雾化装置
CN107257123A (zh) * 2017-07-03 2017-10-17 广东美的制冷设备有限公司 干烧保护电路、加湿装置、空调器及加湿装置的控制方法
CN207343150U (zh) * 2017-05-22 2018-05-11 厦门蒙发利健康科技有限公司 一种出雾装置
US20190006838A1 (en) * 2016-07-20 2019-01-03 Global Energy Interconnection Research Institute Co., Ltd Novel combined direct current circuit breaker and application method thereof
CN208353199U (zh) * 2018-06-13 2019-01-08 无锡晶哲科技有限公司 带频率跟踪的雾化片驱动电路

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2897239Y (zh) * 2006-02-16 2007-05-09 张军 利用臭氧、电极治疗妇科疾病的治疗仪
CN204746717U (zh) * 2015-06-19 2015-11-11 佛山市顺德区侨安电子有限公司 一种超声波雾化装置
US20190006838A1 (en) * 2016-07-20 2019-01-03 Global Energy Interconnection Research Institute Co., Ltd Novel combined direct current circuit breaker and application method thereof
CN207343150U (zh) * 2017-05-22 2018-05-11 厦门蒙发利健康科技有限公司 一种出雾装置
CN107257123A (zh) * 2017-07-03 2017-10-17 广东美的制冷设备有限公司 干烧保护电路、加湿装置、空调器及加湿装置的控制方法
CN208353199U (zh) * 2018-06-13 2019-01-08 无锡晶哲科技有限公司 带频率跟踪的雾化片驱动电路

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