CN114766742A - Atomizer control module integrating multiple function output and control method thereof - Google Patents

Atomizer control module integrating multiple function output and control method thereof Download PDF

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Publication number
CN114766742A
CN114766742A CN202210615545.8A CN202210615545A CN114766742A CN 114766742 A CN114766742 A CN 114766742A CN 202210615545 A CN202210615545 A CN 202210615545A CN 114766742 A CN114766742 A CN 114766742A
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asic chip
electrically connected
pin
circuit board
control module
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Chinese (zh)
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周卫
刘善进
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Changsha Dawei Semiconductor Co ltd
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Changsha Dawei Semiconductor Co ltd
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • A24F40/51Arrangement of sensors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M15/00Inhalators
    • A61M15/06Inhaling appliances shaped like cigars, cigarettes or pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits

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

Abstract

The invention discloses an atomizer control module integrating multiple function output and a control method thereof, wherein the control module comprises: the circuit board is arranged on the substrate, the air pressure sensor is arranged on the circuit board, an AISIC chip and a micro-electromechanical sensor are arranged in the air pressure sensor, a constant power module is arranged in the AISIC chip, and the micro-electromechanical sensor is electrically connected with an SEN pin of the ASIC chip; the substrate is provided with an MOS tube, an inductor, a first capacitor and a load; the grid electrode of the MOS tube is connected with a GATE pin of the ASIC chip, the source electrode of the MOS tube is connected with an input power supply, the drain electrode of the MOS tube is respectively connected with an AT pin of the ASIC chip and a first end of a load, and a second end of the load is grounded; the first end of the inductor is connected with a BAT pin of the ASIC chip, the second end of the inductor is respectively connected with the input power supply and the first end of the first capacitor, and the second end of the first capacitor is grounded; the base plate is also provided with a colored lamp driving module; the colored lamp driving module is connected with an SP pin of the ASIC chip. The invention can realize the constant power output control of the atomizer, and has high integration level and good stability.

Description

Atomizer control module integrating multiple-function output and control method thereof
Technical Field
The invention relates to the technical field of sensors, in particular to an atomizer control module integrating multiple function output and a control method thereof, which are applied to electronic cigarette instruments or equipment related to a negative pressure sensing device, electronic cigarette chewing gum, a breathing machine and portable medical atomization equipment.
Background
With the increasing maturity of semiconductor manufacturing technology, the mems developed on the basis of the above technology has the advantages of small size, low power consumption and stable performance, which is one of the mainstream of the development of the modern technology. The encapsulation of microelectromechanical components has different functions, and the encapsulation protects the components from mechanical and chemical environmental influences. Furthermore, the type of enclosure or housing determines how the assembly is installed and switched on at the place of use.
The existing electronic cigarette sensors in the current market are all in electret structures, when the sensors enter the sensors through airflow, the internal diaphragm deforms, the distance between the vibrating membrane and the substrate changes along with vibration, the capacitance between the substrates changes, the changed charge quantity Q is obtained according to the fact that Q = C V, the change value of the charge quantity is processed and judged through an ASIC chip, and finally output control over the atomizer is completed. Therefore, it is an urgent need in the art to provide a reliable control module for an atomizer with multiple functional outputs.
Disclosure of Invention
The utility model aims to provide an atomizer control module integrating multiple functional outputs and a control method thereof, wherein a high-integration air pressure sensor and an MOS are matched to realize switching between low power and high power; the silicon vibrating diaphragm and the silicon back plate of the micro-electromechanical sensor in the air pressure sensor form a micro capacitor, air pressure change can be converted into capacitance value change, conversion of air pressure-capacitance value-constant power output is achieved through control of an ASIC chip, constant power output control of the atomizer and colorful effect control of the air pressure sensor module are achieved, and user experience is high.
In order to solve the technical problem, the application provides an atomizer control module integrating multi-function output, which comprises a substrate, wherein the substrate is a circuit board, a circuit board is arranged on the substrate, an air pressure sensor is arranged on the circuit board and comprises a shell, the shell covers the circuit board to form a containing space, a micro electro mechanical sensor and an ASIC (application specific integrated circuit) chip are arranged in the containing space, a constant power module is arranged in the AISIC chip, and the micro electro mechanical sensor is electrically connected with an SEN (sensor network) pin of the ASIC chip;
the substrate is provided with an MOS tube, an inductor, a first capacitor and a load; the grid electrode of the MOS tube is electrically connected with the GATE pin of the ASIC chip, the source electrode of the MOS tube is electrically connected with an input power supply, the drain electrode of the MOS tube is respectively electrically connected with the AT pin of the ASIC chip and the first end of the load, and the second end of the load is grounded; the first end of the inductor is electrically connected with a BAT pin of the ASIC chip, the second end of the inductor is electrically connected with the input power supply and the first end of the first capacitor respectively, and the second end of the first capacitor is grounded; the MOD pin of the ASIC chip is grounded or connected with the input power supply;
the substrate is also provided with a colored lamp driving module; and the colored lamp driving module is electrically connected with an SP pin of the ASIC chip.
Preferably, the color lamp driving module comprises a driver, a first resistor and a first RGB LED unit;
a first end of the first resistor is electrically connected with an SP pin of the ASIC chip, and a second end of the first resistor is electrically connected with the driver;
the first RGB LED unit is electrically connected with the driver.
Preferably, the color lamp driving module further comprises a second RGB LED unit;
the second RGB LED unit is electrically connected with the driver and the first RGB LED unit respectively.
Preferably, the colored lamp driving module further comprises a second capacitor;
the first end of the second capacitor is electrically connected with the input power supply, the driver and the first RGB LED unit respectively, and the second end of the second capacitor is grounded;
preferably, the substrate is further provided with a USB socket and an LED indicator light;
the USB socket is electrically connected with a VCC pin of the ASIC chip;
the first end of the LED indicator light is electrically connected with the LED pin of the ASIC chip, and the second end of the LED indicator light is grounded;
and the OUT pin of the ASIC chip is grounded after being connected with the electric motor.
Preferably, the AT pin of the ASIC chip is connected to the drain of the MOS transistor after passing through the first end of the second resistor, and the second end of the second resistor is electrically connected to the first end of the load.
Preferably, the circuit board sets up the uncovered department of shell, micro electromechanical sensor, ASIC chip and first electric capacity set up the one side at the circuit board towards the shell, micro electromechanical sensor pass through the gold thread with ASIC chip electricity is connected, the contact tip outer fringe that micro electromechanical sensor is close to the circuit board is equipped with encircleed silica gel.
Preferably, a first air vent communicated with the micro-electromechanical sensor is formed in the bottom end of the micro-electromechanical sensor; one side of the shell, which is far away from the circuit board, is provided with one or more second air guide holes; the first air guide hole penetrates through the circuit board and then is communicated with the micro-electromechanical sensor.
Preferably, an encapsulating glue is arranged outside the ASIC chip, and the encapsulating glue completely covers and encapsulates the ASIC chip on the circuit board; the first capacitor is fixed on the circuit board through solder paste by adopting an SMT (surface mount technology) patch; the outer side of the shell, which is far away from one side of the circuit board, is provided with a waterproof net for preventing dust from permeating, and the waterproof net covers the second air guide hole comprehensively.
In order to solve the above technical problem, the present application provides a control method for a nebulizer integrating multiple functional outputs, which is applied to a control module for a nebulizer integrating multiple functional outputs, and the control method includes:
sensing the air pressure change to obtain an air pressure change value;
controlling the air pressure change value to act on a silicon diaphragm of the micro-electromechanical sensor;
acquiring the thrust for moving the silicon diaphragm of the micro-electromechanical sensor D;
converting the thrust into a displacement;
converting the displacement into a micro-capacitance change;
and controlling the ASIC chip to process and control so as to realize air pressure-capacitance value-constant power and dazzle color conversion.
The atomizer control module and the control method thereof which integrate multiple function output of the invention have the following beneficial effects, and the atomizer control module which integrates multiple function output of the invention comprises: the air pressure sensor comprises a shell, the shell covers the circuit board to form a containing space, a micro-electromechanical sensor and an ASIC (application specific integrated circuit) chip are arranged in the containing space, a constant power module is arranged in the AISIC chip, and the micro-electromechanical sensor is electrically connected with an SEN (sensor on array) pin of the ASIC chip; the substrate is provided with an MOS tube, an inductor, a first capacitor and a load; the grid electrode of the MOS tube is electrically connected with the GATE pin of the ASIC chip, the source electrode of the MOS tube is electrically connected with the input power supply, the drain electrode of the MOS tube is respectively electrically connected with the AT pin of the ASIC chip and the first end of the load, and the second end of the load is grounded; the first end of the inductor is electrically connected with a BAT pin of the ASIC chip, the second end of the inductor is electrically connected with the input power supply and the first end of the first capacitor respectively, and the second end of the first capacitor is grounded; the base plate is also provided with a colored lamp driving module; the color lamp driving module is electrically connected with an SP pin of the ASIC chip. The invention realizes the switching between low power and high power by the cooperation of a highly integrated air pressure sensor and an MOS; wherein, a silicon vibrating diaphragm and a silicon back plate of a micro-electromechanical sensor in the air pressure sensor form a micro capacitor which can convert air pressure change into capacitance value change and realize conversion of air pressure-capacitance value-constant power output through ASIC chip control; therefore, the invention can realize the constant power output control of the atomizer and the colorful effect control of the air pressure sensor module, and has high user experience; the air pressure sensor is modularized, the integration level is high, the SMT process welding efficiency and yield are high, the sensitivity is high, and the stability is good.
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 with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts based on the drawings:
FIG. 1 is a top view of a nebulizer control module incorporating multiple functional outputs according to a preferred embodiment of the invention;
FIG. 2 is a bottom view of a nebulizer control module incorporating multiple functional outputs according to a preferred embodiment of the invention;
FIG. 3 is a schematic diagram of a nebulizer control module incorporating multi-function output according to a preferred embodiment of the invention;
FIG. 4 is a schematic diagram of a packaging structure of a control module of a nebulizer integrating multiple functional outputs according to a preferred embodiment of the invention;
fig. 5 is a pin diagram of an ASIC chip of a nebulizer control module incorporating multiple function outputs according to a preferred embodiment of the invention.
FIG. 6 is a flow chart of a method of controlling a nebulizer that combines multiple functional outputs in accordance with a preferred embodiment of the invention;
FIG. 7 is a pin diagram of an ASIC chip of a nebulizer control module incorporating multiple functional outputs according to a preferred embodiment of the invention;
FIG. 8 is a diagram illustrating internal functions of an ASIC chip of a nebulizer control module integrating multiple functional outputs according to a preferred embodiment of the invention.
Detailed Description
The core of the application is to provide an atomizer control module integrating multiple functional outputs and a control method thereof, in the scheme, a high-integration air pressure sensor and an MOS are matched to realize switching between low power and high power; the silicon diaphragm and the silicon back plate of the micro-electromechanical sensor in the air pressure sensor form a micro capacitor, air pressure change can be converted into capacitance value change, conversion of air pressure-capacitance value-constant power output is achieved through ASIC chip control, constant power output control of the atomizer and colorful effect control of the air pressure sensor module are achieved, and user experience is high.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a plan view structure diagram of an atomizer control module integrating multiple functional outputs provided by the present application, which includes a substrate 1, the substrate 1 is a circuit board, a circuit board 2 is disposed on the substrate 1, an air pressure sensor 22 is disposed on the circuit board 2, the air pressure sensor includes a housing 21, the housing 22 covers the circuit board 2 to form a containing space, a micro-electromechanical sensor S1 and an ASIC chip U1 are disposed in the containing space, an AISIC chip is internally provided with a constant power module, and the micro-electromechanical sensor S1 is electrically connected to an SEN pin of the ASIC chip U1;
a MOS tube Q1, an inductor L1, a first capacitor C1 and a load RL are arranged on the substrate 1; the grid electrode of the MOS tube Q1 is electrically connected with a GATE pin of the ASIC chip U1, the source electrode of the MOS tube Q1 is electrically connected with an input power supply, the drain electrode of the MOS tube Q1 is respectively electrically connected with an AT pin of the ASIC chip U1 and a first end of the load RL, and a second end of the load RL is grounded; a first end of the inductor L1 is electrically connected to a BAT pin of the ASIC chip U1, a second end of the inductor L1 is electrically connected to an input power supply and a first end of the first capacitor C1, respectively, and a second end of the first capacitor C1 is grounded; the MOD pin of the ASIC chip is grounded or connected with an input power supply;
the substrate 1 is also provided with a colored lamp driving module; the color lamp driving module is electrically connected with an SP pin of the ASIC chip U1.
In the prior art, the electronic cigarette sensor is of an electret structure, when the sensor enters the sensor through airflow, an internal diaphragm deforms, so that the distance between a vibrating membrane and a substrate changes along with vibration, the capacitance between the substrates changes, a changed charge quantity Q is obtained according to Q = C V, the change value of the charge quantity is processed and judged by an ASIC chip, and finally output control over an atomizer is completed.
Aiming at the defects, a silicon vibrating diaphragm and a silicon back plate of a micro-electromechanical sensor in the air pressure sensor form a micro capacitor, air pressure change can be converted into capacitance value change, an ASIC chip is internally provided with a constant power module, air pressure-capacitance value-constant power output conversion is realized through ASIC chip control, and constant power output control of an atomizer and colorful effect control of the air pressure sensor module are realized;
specifically, the MOD pin of the ASIC chip is a mode selection terminal, which is a selection of a corresponding magnitude power output. In one embodiment, when the MOD pin of the ASIC chip controls the selection to be grounded, the AT pin of the ASIC chip directly drives the load RL to work.
In another embodiment, when the MOD pin of the ASIC chip selects not to be grounded (disconnected), the power supply VDD is connected; the GATE pin of the ASIC chip outputs a power tube GATE control signal, and drives the load RL to operate at high power through the MOS transistor Q1. Therefore, the invention can realize switching between low power and high power, and has high user experience.
In summary, the present application provides an atomizer control module with multiple functional outputs, in the present solution, a highly integrated air pressure sensor and an MOS cooperate to realize switching between low power and high power; a silicon vibrating diaphragm and a silicon back plate of a micro-electromechanical sensor in the air pressure sensor form a micro capacitor, the air pressure change can be converted into capacitance value change, and the conversion of air pressure-capacitance value-constant power output is realized through the control of an ASIC chip; therefore, the invention can realize the constant power output control of the atomizer and the colorful effect control of the air pressure sensor module, and has high user experience; the air pressure sensor is modularized, the integration level is high, the SMT process welding efficiency and yield are high, the sensitivity is high, and the stability is good.
On the basis of the above-described embodiment:
referring to fig. 2, fig. 2 is a bottom view of a nebulizer control module with multiple functional outputs according to the present disclosure.
Referring to fig. 3, fig. 3 is a schematic diagram of a nebulizer control module integrating multiple functional outputs according to the present disclosure.
Referring to fig. 5, fig. 5 is a pin diagram of an ASIC chip of a nebulizer control module integrating multiple functional outputs according to the present disclosure.
As a preferred embodiment, the color lamp driving module includes a driver U2, a first resistor R2, and a first RGB LED unit 31;
a first end of the first resistor R2 is electrically connected with an SP pin of the ASIC chip U1, and a second end of the first resistor R2 is electrically connected with the driver U2;
the first RGB LED unit 31 is electrically connected to a driver U2.
Specifically, the first resistor R2 is used for detecting a heating atomization signal, and when the heating atomization signal is detected, the color lamp driving module starts to operate; the driver U2 is used to drive the first RGB LED unit 31 to operate, and the chip type of the driver U2 may be LP5009/LP5012, which is not limited herein. In this embodiment, the first RGB LED unit 31 is used to emit glare light when the electronic smoke atomizer is in operation to give a glare experience on the light sensation to the user.
As a preferred embodiment, the color lamp driving module further includes a second RGB LED unit 32;
the second RGB LED units 32 are electrically connected to the driver and the first RGB LED units 31, respectively.
Specifically, second RGB LED unit 32 is used for coordinating the work of first RGB LED unit 31, sends out at electron smog spinning disk atomiser during operation and dazzles the color lamp light, promotes user experience.
As a preferred embodiment, the color lamp driving module further comprises a second capacitor C2;
a first end of the second capacitor C2 is electrically connected with the input power supply, the driver U2 and the first RGB LED unit, respectively, and a second end of the second capacitor C2 is grounded;
specifically, the second capacitor C2 is a power filter capacitor for enhancing the stability of the power input.
As a preferred embodiment, the substrate 1 is further provided with a USB socket and an LED indicator;
the USB socket is electrically connected with a VCC pin of the ASIC chip U1;
the first end of the LED indicator light is electrically connected with an LED pin of the ASIC chip U1, and the second end of the LED indicator light is grounded;
the OUT pin of the ASIC chip U1 is connected to the electric motor and then to ground.
Specifically, the USB socket is electrically connected to a VCC pin of the ASIC chip U1 for implementing power supply control; the LED indicator light is used for indicating the working state of the air pressure sensor, such as the power switch state and the like. It can be understood that the vibration motor is a workpiece for driving a message to generate vibration, and the main function is to prompt the following actions: the smoke is vibrated when starting; trade the cigarette bullet vibration, vibrate when the interface connection that charges etc. satisfy experience and feel. Consequently, the atomizer control module of the multiple function output of collection that this application provided can realize like power switching, constant power output, send and dazzle various light and function such as work vibration, promote user experience.
In a preferred embodiment, the AT pin of the ASIC chip U1 passes through the first end of the second resistor R1 and then is connected to the drain of the MOS transistor Q1, and the second end of the second resistor R1 is electrically connected to the first end of the load RL.
Specifically, when the MOD pin of the ASIC chip selects no ground (off), the power supply VDD is connected; the GATE pin of the ASIC chip outputs a GATE control signal of the power transistor, and the GATE control signal passes through the second resistor R1 through the MOS transistor Q1 to drive the load RL to perform high-power operation. It will be appreciated that the second resistor R1 is used to provide an SP pin over current detection signal to the ASIC chip.
Referring to fig. 4, fig. 4 is a schematic diagram of a packaging structure of a nebulizer control module integrating multiple functional outputs according to the present application.
As a preferred embodiment, the circuit board is arranged at the opening of the shell 21, the micro-electromechanical sensor S1, the ASIC chip U1 and the first capacitor C1 are arranged on one side of the circuit board facing the shell 21, the micro-electromechanical sensor S1 is electrically connected with the ASIC chip U1 through a gold wire X, and the micro-electromechanical sensor S1 is provided with a surrounding silica gel 23 close to the outer edge of the contact end of the circuit board 2, so that the rationality of the packaging structure is ensured.
In a preferred embodiment, the bottom end of the micro-electromechanical sensor S1 is provided with a first air vent 24 communicated with the micro-electromechanical sensor S1; one or more second air vents 25 are formed in one surface of the shell 21 away from the circuit board; first air guide hole 24 link up behind the circuit board intercommunication micro-electromechanical sensor S1 to guarantee the inside even heat dissipation of baroceptor, prevent high temperature damage, the reliability is high.
In a preferred embodiment, the ASIC chip U1 is provided with an encapsulating adhesive 26 outside, and the encapsulating adhesive completely covers and encapsulates the ASIC chip U1 on the circuit board; the first capacitor C1 is fixed on the circuit board through solder paste 27 by SMT; as can be appreciated, the SMT process provides high soldering efficiency and yield.
In a preferred embodiment, the outer side of the casing 21 remote from the circuit board is provided with a waterproof mesh 28 for preventing dust from penetrating, and the waterproof mesh covers the second air guide holes completely.
Specifically, the waterproof net is waterproof and oilproof, prevents dust infiltration, and the practicality is strong.
Referring to fig. 6, fig. 6 is a flowchart of a nebulizer control module integrating multiple functional outputs according to the present disclosure.
The application also provides a control method of the atomizer integrating the multi-function output, which is applied to the control module of the atomizer integrating the multi-function output, and the control method comprises the following steps:
s1, sensing the air pressure change to obtain an air pressure change value;
s2, controlling the air pressure change value to act on a silicon diaphragm of the micro-electromechanical sensor;
s3, obtaining the pushing force for moving the silicon diaphragm of the micro-electromechanical sensor D;
s4, converting the thrust into a displacement;
s5, converting the displacement into micro capacitance change;
and S6, controlling the ASIC chip to process and control to realize air pressure-capacitance value-constant power and dazzle color conversion.
Referring to fig. 7, fig. 7 is a pin diagram of an ASIC chip of a nebulizer control module with multiple functional outputs according to the present disclosure.
Referring to fig. 8, fig. 8 is a functional diagram illustrating an ASIC chip of a nebulizer control module with multiple functional outputs according to the present disclosure.
Specifically, an ASIC chip is internally provided with an LED driver, so that the hardware cost of an external driving circuit is saved; the ASIC chip is internally provided with constant voltage, under-voltage detection, open-circuit detection and over-temperature protection functions, so that constant voltage output is realized, and the reliability is high; the ASIC chip is internally provided with a digital logic circuit which comprises charge-discharge mode detection, abnormal protection, lamp effect display, smoking state control and multifunctional integration. Therefore, the atomizer control method integrating multiple function output realizes constant power output control of the atomizer and colorful effect control of the air pressure sensor module, and is high in reliability and user experience.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An atomizer control module integrated with multi-function output comprises a substrate, wherein the substrate is a circuit board, and a circuit board is arranged on the substrate, and the atomizer control module is characterized in that an air pressure sensor is arranged on the circuit board and comprises a shell, the shell covers the circuit board to form a containing space, a micro-electromechanical sensor and an ASIC (application specific integrated circuit) chip are arranged in the containing space, a constant power module is arranged in the AISIC chip, and the micro-electromechanical sensor is electrically connected with an SEN (sensor network) pin of the ASIC chip;
the substrate is provided with an MOS tube, an inductor, a first capacitor and a load; a grid electrode of the MOS tube is electrically connected with a GATE pin of the ASIC chip, a source electrode of the MOS tube is electrically connected with an input power supply, a drain electrode of the MOS tube is respectively electrically connected with an AT pin of the ASIC chip and a first end of the load, and a second end of the load is grounded; a first end of the inductor is electrically connected with a BAT pin of the ASIC chip, a second end of the inductor is electrically connected with the input power supply and a first end of the first capacitor respectively, and a second end of the first capacitor is grounded; the MOD pin of the ASIC chip is grounded or connected with the input power supply;
the substrate is also provided with a colored lamp driving module; and the colored lamp driving module is electrically connected with an SP pin of the ASIC chip.
2. The nebulizer control module of claim 1, wherein the color lamp driving module comprises a driver, a first resistor and a first RGB LED unit;
a first end of the first resistor is electrically connected with an SP pin of the ASIC chip, and a second end of the first resistor is electrically connected with the driver;
the first RGB LED unit is electrically connected with the driver.
3. The nebulizer control module of claim 2, wherein the color lamp driving module further comprises a second RGB LED unit;
the second RGB LED unit is electrically connected with the driver and the first RGB LED unit respectively.
4. The nebulizer control module of claim 2, wherein the colored lamp driving module further comprises a second capacitor;
the first end of the second capacitor is electrically connected with the input power supply, the driver and the first RGB LED unit respectively, and the second end of the second capacitor is grounded.
5. The atomizer control module according to claim 1 wherein a USB socket and an LED indicator are further provided on the substrate;
the USB socket is electrically connected with a VCC pin of the ASIC chip;
the first end of the LED indicator light is electrically connected with the LED pin of the ASIC chip, and the second end of the LED indicator light is grounded;
and the OUT pin of the ASIC chip is grounded after being connected with the electric motor.
6. The nebulizer control module of claim 1, wherein the AT pin of the ASIC chip is connected to the drain of the MOS transistor via a first end of a second resistor, and a second end of the second resistor is electrically connected to the first end of the load.
7. The nebulizer control module of claim 1, wherein the circuit board is disposed at an opening of the housing, the micro-electromechanical sensor, the ASIC chip and the first capacitor are disposed on a surface of the circuit board facing the housing, the micro-electromechanical sensor is electrically connected to the ASIC chip through a gold wire, and a surrounding silica gel is disposed on an outer edge of a contact end of the micro-electromechanical sensor adjacent to the circuit board.
8. The atomizer control module according to claim 1, wherein a first air vent is formed at a bottom end of the mems sensor and communicates with the mems sensor; one side of the shell, which is far away from the circuit board, is provided with one or more second air guide holes; and the first air guide hole penetrates through the circuit board and then is communicated with the micro-electromechanical sensor.
9. The atomizer control module according to claim 6 wherein an encapsulant is disposed outside said ASIC chip, said encapsulant completely encapsulating said ASIC chip on said circuit board; the first capacitor is fixed on the circuit board through soldering paste by adopting an SMT (surface mount technology) patch;
the outer side of the shell, which is far away from one side of the circuit board, is provided with a waterproof net for preventing dust from permeating, and the waterproof net covers the second air guide holes comprehensively.
10. A control method for a nebulizer integrating multi-function outputs, the control method being applied to a nebulizer control module integrating multi-function outputs according to any one of claims 1 to 9, the control method comprising:
sensing the air pressure change to obtain an air pressure change value;
controlling the air pressure change value to act on a silicon diaphragm of the micro-electromechanical sensor;
acquiring the thrust for moving the silicon diaphragm of the micro-electromechanical sensor D;
converting the thrust into a displacement;
converting the displacement amount into a micro capacitance change;
and controlling the ASIC chip to process and control so as to realize air pressure-capacitance value-constant power and dazzle color conversion.
CN202210615545.8A 2022-06-01 2022-06-01 Atomizer control module integrating multiple function output and control method thereof Pending CN114766742A (en)

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Application Number Priority Date Filing Date Title
CN202210615545.8A CN114766742A (en) 2022-06-01 2022-06-01 Atomizer control module integrating multiple function output and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210615545.8A CN114766742A (en) 2022-06-01 2022-06-01 Atomizer control module integrating multiple function output and control method thereof

Publications (1)

Publication Number Publication Date
CN114766742A true CN114766742A (en) 2022-07-22

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN114766742A (en)

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