CN217695287U

CN217695287U - Starting circuit of atomizer and electronic atomization device

Info

Publication number: CN217695287U
Application number: CN202220271365.8U
Authority: CN
Inventors: 徐骞; 高严; 林盛泓
Original assignee: Shenzhen Leiyan Technology Co ltd
Current assignee: Dongguan Gongyan Electronic Technology Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-11-01
Anticipated expiration: 2032-02-10

Abstract

The utility model belongs to the technical field of electronic atomization, solved and confirmed the atomizing mode through atomizer and different mode of connection of power supply module among the prior art, be unfavorable for the user to absorb the mode switching, the technical problem that the user experience effect is not good that leads to, the utility model provides a starting circuit and electronic atomization device of atomizer, including the miaow head that sets up in the power supply module to and voltage comparison circuit, PWM circuit and the control circuit who is connected with the miaow head electricity; the microphone transmits a voltage signal generated by air pressure change to the voltage comparison circuit, the voltage comparison circuit generates a first voltage signal or a second voltage signal according to a comparison result, the corresponding PWM circuit converts the corresponding voltage signal into a square wave signal with a corresponding duty ratio, the controller determines the heating power corresponding to the current sucking mode output by the power supply according to the duty ratio of the corresponding square wave, the structure is simple, the automatic switching sucking mode can be identified according to the size of the air suction volume of a user, and the experience effect is improved.

Description

Starting circuit of atomizer and electronic atomization device

Technical Field

The utility model relates to a liquid volume detects technical field, especially relates to a starting circuit and electronic atomization device of atomizer.

Background

The electronic atomization device is characterized in that after the atomizer and the power supply assembly are electrified, the power supply assembly supplies power to the heating element of the atomizer, so that the heating element generates heat, and atomized liquid in the atomization cavity is atomized by heat energy generated by the heating element; the user can inhale the atomizing gas after the atomizing.

In the prior art, the mode that the user sucks the atomizing gas by using the electronic atomizing device mainly comprises a mouth sucking mode and a lung sucking mode, the amount of sucking the atomizing gas at each time is different due to different sucking modes, meanwhile, even if the sucking modes are the same for different users, the sucking frequency and the force in the sucking process are constantly changed due to individual differences, different sucking modes are usually distinguished by setting different connection modes for the power supply component and the atomizer of the electronic atomizing device, the user is informed of which working mode is selected by voice broadcasting, character display or color indication and the like after the connection modes are selected, however, the working mode is also selected by the mode due to the existence of a specific connection mode and a prompt mode, when the user is mistakenly required to re-assemble the power supply component and the atomizer, the operation is tedious, meanwhile, the user possibly involves two sucking modes in the atomizing gas process, the working modes are alternately performed, the working modes are selected by different wiring modes, and a very bad experience effect is undoubtedly caused for the user.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a starting circuit and electronic atomization device of atomizer for confirm the atomizing mode through the different mode of connection of atomizer and power supply module among the solution prior art, be unfavorable for the user to adopt the different mode of sucking to suck atomizing gas, cause the not good technical problem of user experience effect.

The utility model adopts the technical proposal that:

the utility model provides a starting circuit of atomizer, starting circuit includes: the microphone is arranged in the power supply assembly, and the voltage comparison circuit, the PWM circuit and the control circuit are electrically connected with the microphone;

the microphone transmits a voltage signal generated by air pressure change to the voltage comparison circuit, the voltage comparison circuit generates a first voltage signal or a second voltage signal according to a comparison result and transmits the first voltage signal or the second voltage signal to the PWM circuit, the PWM circuit converts the first voltage signal into a first square wave signal corresponding to a first duty ratio and transmits the first square wave signal to the control circuit, or converts the second voltage signal into a second square wave signal corresponding to a second duty ratio and transmits the second square wave signal to the control circuit, and the control circuit generates a corresponding control signal according to the square wave signal corresponding to the first duty ratio or the second duty ratio and controls the power supply voltage of a power supply to a load.

Preferably, a cavity is formed inside the microphone, and the power supply assembly is provided with an air inlet, an air outlet, a first channel for communicating the cavity inside the microphone with the air outlet and a second channel for communicating the air inlet with the air outlet.

Preferably, the PWM circuit includes a first PWM circuit and a second PWM circuit, the first PWM circuit and the second PWM circuit are connected in parallel, and the second PWM circuit has the same circuit structure as the first PWM circuit.

Preferably, the first PWM circuit includes: the circuit comprises a sub-control chip, a first capacitor, a second capacitor, a tenth resistor, an eleventh resistor, a twelfth resistor, a first diode and a second diode, wherein the eleventh resistor is a sliding resistor;

the output end of the voltage comparison circuit is connected with the common point of the reset pin and the power supply pin of the sub-control chip and one end of the tenth resistor, the other end of the tenth resistor is electrically connected with the first fixed end of the eleventh resistor, the second fixed end of the eleventh resistor is electrically connected with one end of the twelfth resistor, the other end of the twelfth resistor is electrically connected with the cathode of the second diode, the anode of the second diode, the cathode of the first diode, the threshold pin of the sub-control chip and the trigger pin of the sub-control chip are connected with one end of the first capacitor, the common point of the anode of the first diode and the discharge pin of the sub-control chip is connected with the sliding end of the eleventh resistor, the output pin of the sub-control chip is connected with the input end of the control circuit, the control pin of the sub-control chip is connected with one end of the second capacitor, and the common point of the other end of the first capacitor, the other end of the second capacitor and the grounding pin of the sub-control chip is grounded.

Preferably, the buck-boost circuit includes a fifth MOS transistor, a sixth MOS transistor, a seventh MOS transistor, an eighth MOS transistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, and a first inductor;

the source electrode of the fifth MOS tube and one end of the sixth resistor are connected with a control signal input end in a point sharing manner, the other end of the sixth resistor and the grid electrode of the fifth MOS tube are connected with a power supply in a point sharing manner, the drain electrode of the fifth MOS tube is connected with the first end of the first inductor, the source electrode of the sixth MOS tube and one end of the seventh resistor are connected with the control signal input end in a point sharing manner, the other end of the seventh resistor and the grid electrode of the sixth MOS tube are connected with the first end of the first inductor in a point sharing manner, and the drain electrode of the sixth MOS tube is grounded;

the source electrode of the seventh MOS tube and one end of the eighth resistor are connected with the control signal input end in a point sharing manner, the other end of the eighth resistor and the grid electrode of the seventh MOS tube are connected with the power output end in a point sharing manner, the drain electrode of the seventh MOS tube is connected with the second end of the first inductor, the source electrode of the eighth MOS tube and one end of the ninth resistor are connected with the control signal input end in a point sharing manner, the other end of the ninth resistor and the grid electrode of the eighth MOS tube are connected with the second end of the first inductor in a point sharing manner, and the drain electrode of the eighth MOS tube is grounded.

Preferably, the heating circuit is used for heating a load heating wire, the input end of the heating circuit is connected with an input voltage, and the output end of the heating circuit is grounded through the heating wire.

Preferably, the heating circuit includes a first circuit and a second circuit, the first circuit is a circuit in which an input voltage flows from the first end of the heating wire to the second end of the heating wire, and the second circuit is a circuit in which an input voltage flows from the second end of the heating wire to the first end of the heating wire.

Preferably, the heating circuit comprises: the heating wire comprises a first resistor, a second resistor, a first MOS (metal oxide semiconductor) tube, a third resistor, a second MOS tube, a fourth resistor, a third MOS tube, a fifth resistor, a fourth MOS tube and the heating wire;

the common point of the source electrode of the first MOS tube and one end of the first resistor is used for connecting an enabling signal control end, the common point of the other end of the first resistor and one end of the grid electrode of the first MOS tube and one end of the second resistor is used as the first power supply end connection power supply, the common point of the other end of the second resistor and the drain electrode of the first MOS tube is connected with the first end of the heating wire, the common point of the source electrode of the second MOS tube and one end of the third resistor is used for connecting an enabling signal control end, the common point of the other end of the third resistor and the grid electrode of the second MOS tube is connected with the first end of the heating element, the drain electrode of the second MOS tube is used as the first grounding end and is grounded, the common point of the source electrode of the third MOS tube and one end of the fourth resistor is used for connecting an enabling signal control end, the common point of the other end of the fourth resistor and the grid electrode of the third MOS tube is used as the second power supply end, the drain electrode of the third MOS tube is connected with the second end of the heating wire, the common point of the source electrode of the fourth MOS tube is used as the second grounding end of the heating wire, and the drain electrode of the fourth MOS tube is connected with the second grounding end of the heating wire.

The invention also provides an electronic atomization device which comprises the starting circuit of the atomizer, and is characterized by comprising the atomizer and the power supply assembly, wherein the power supply assembly is connected with the atomizer in a plugging manner.

Preferably, the power supply assembly and the atomizer comprise a forward insertion and a reverse insertion, the forward insertion is that a first electrode contact of the atomizer is electrically connected with a first electrode of the power supply assembly, and a second electrode contact of the atomizer is electrically connected with a second electrode of the power supply assembly; the reverse insertion is that the first electrode contact of the atomizer is electrically connected with the second electrode of the power supply assembly, and the second electrode contact of the atomizer is electrically connected with the first electrode of the power supply assembly.

To sum up, the beneficial effects of the utility model are as follows:

adopt the utility model discloses a starting circuit and electronic atomization device of atomizer, starting circuit includes: the microphone is arranged in the power supply assembly, and the voltage comparison circuit, the PWM circuit and the control circuit are electrically connected with the microphone; the microphone transmits a voltage signal generated by air pressure change to the voltage comparison circuit, the voltage comparison circuit generates a first voltage signal or a second voltage signal according to a comparison result, the corresponding PWM circuit converts the corresponding voltage signal into a square wave signal with a corresponding duty ratio, and the controller determines the heating power corresponding to the current sucking mode output by the power supply according to the duty ratio of the corresponding square wave.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a starting circuit of an atomizer in embodiment 1 of the present invention;

fig. 2 is a schematic circuit diagram of a first PWM circuit according to embodiment 1 of the present invention;

fig. 3 is a schematic circuit diagram of a heating circuit according to embodiment 1 of the present invention;

fig. 4 is a schematic circuit diagram of the step-up/step-down circuit in embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a first view angle of a power supply module of an atomizer according to embodiment 1 of the present invention;

fig. 6 is a schematic partial structure diagram of a power supply module according to embodiment 2 of the present invention;

fig. 7 is a schematic structural diagram of a first view angle of a power supply module of an atomizer according to embodiment 2 of the present invention;

reference numerals of fig. 1 to 7:

the nebulizer 1000, the power supply assembly 2000, the bracket 2400, the first limiting member 2410, the second limiting structure 2420, the first accommodating chamber 2430, the second accommodating chamber 2440, the clamping block 2450, the strip-shaped groove 2460, the air inlet 2470, the cavity 2480, the first channel 2490, the second channel 2491, the housing 2500, the clamping groove 2510, the microphone 2600, and the vibrating device 2900.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Also, 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 … …" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. In case of conflict, various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.

Example 1

The embodiment of the utility model provides a starting circuit of atomizer, electronic atomization device includes atomizing gas and the power supply module who is connected with atomizer nature plug, the atomizer is the expendable supplies, power supply module is the non-expendable supplies, be equipped with the miaow head in the atomizer, the power of atomizer is controlled to the voltage signal that produces through the miaow head, make the miaow head produce corresponding voltage signal including being not limited to the temperature difference that the air current velocity of flow arouses, the electric capacity that atmospheric pressure change arouses changes etc. this paper produces voltage signal to the miaow head that atmospheric pressure change arouses, thereby adjust the supply voltage of load, please see fig. 1, the miaow head that sets up in power supply module, and with voltage comparison circuit, PWM circuit and the control circuit that the miaow head electricity is connected;

In one embodiment, a cavity is formed inside the microphone, and the power supply assembly is provided with an air inlet, an air outlet, a first channel for connecting the cavity inside the microphone and the air outlet, and a second channel for connecting the air inlet and the air outlet.

Specifically, when a user uses the atomizer to inhale the atomized gas atomized by the atomized liquid, the main inhalation modes comprise mouth inhalation and lung inhalation, wherein the lung inhalation is that the user directly inhales the atomized gas converted from the atomized liquid into the lung, and the atomizer has the characteristics of high speed and large inhalation amount; the mouth suction is that a user stays atomized gas converted from atomized liquid in a mouth for a certain time and then enters the lung, and has the characteristics of low suction speed, small single suction amount and long time; therefore, different sucking modes can lead to different air pressures in a cavity formed by the microphone finally, so that different voltage signals are generated, the voltage signals are judged after the different voltage signals are generated by the microphone, specifically, through a voltage comparison circuit, when the voltage is smaller than a preset value, the current sucking mode is considered as oral sucking, and when the voltage is larger than the preset value, the current sucking mode is considered as pulmonary sucking; different sucking modes adopt different PWM circuits to convert corresponding voltage signals into square wave signals with corresponding duty ratios, and the control circuit controls the heating power of the heating circuit of the atomizer according to the received square wave signals with different duty ratios, so that the atomizing efficiency of atomized liquid is matched with the sucking mode currently selected by a user, the user experience is improved, and the atomized liquid is prevented from being wasted.

In one embodiment, referring to fig. 2, the PWM circuit includes a first PWM circuit and a second PWM circuit, the first PWM circuit and the second PWM circuit are connected in parallel, and the second PWM circuit has the same circuit structure as the first PWM circuit, the first PWM circuit includes: the circuit comprises a sub-control chip, a first capacitor, a second capacitor, a tenth resistor, an eleventh resistor, a twelfth resistor, a first diode and a second diode, wherein the eleventh resistor is a sliding resistor;

In an embodiment, the air conditioner further comprises a boost-buck circuit and a heating circuit, wherein the control end of the second control circuit and the output end of the power supply are connected with the input end of the boost-buck circuit, and the output end of the boost-buck circuit is connected with the input end of the heating circuit, so that the voltage output by the power supply is boosted or reduced, and then a target voltage matched with the current air suction pressure is output to the heating circuit, so that the power of the load is matched with the air suction force.

In one embodiment, the heating circuit includes a first circuit and a second circuit, the first circuit is configured such that the input voltage of the buck-boost circuit flows from the first end of the heating element to the second end of the heating element, and the second circuit is configured such that the input voltage of the buck-boost circuit flows from the second end of the heating element to the first end of the heating element.

In one embodiment, referring to fig. 3, the heating circuit includes: the device comprises a first resistor R1, a second resistor R2, a first MOS (metal oxide semiconductor) transistor Q1, a third resistor R3, a second MOS transistor Q2, a fourth resistor R4, a third MOS transistor Q3, a fifth resistor R5, a fourth MOS transistor Q4 and a heating element;

the source of the first MOS transistor Q1 is connected to one end of the first resistor R1 in common, the other end of the first resistor R1 is connected to the gate of the first MOS transistor Q1 and one end of the second resistor R2 in common, as the first power supply terminal, the other end of the second resistor R2 is connected to the first end of the heating element in common, the source of the second MOS transistor Q2 is connected to the enable signal control terminal in common, the other end of the third resistor R3 is connected to the gate of the second MOS transistor Q2 in common, as the first ground terminal, the drain of the second MOS transistor Q2 is grounded, the source of the third MOS transistor Q3 is connected to the enable signal control terminal in common, the other end of the fourth resistor R4 is connected to the gate of the third MOS transistor Q3 in common, as the second ground terminal, the drain of the third MOS transistor Q3 is connected to the second ground terminal, the drain of the fourth MOS transistor Q4 is connected to the second ground terminal, the drain of the fourth resistor R4 is connected to the gate of the fifth MOS transistor Q5, and the drain of the fifth resistor R4 is connected to the second ground, as the drain of the second transistor Q5.

Specifically, the heating circuit adopts an H-bridge structure built by MOS (metal oxide semiconductor) tubes, TI and T2 positions are a first end and a second end of the heating element, P1, P2, P3 and P4 are control signal input ends for disconnection and connection of a first circuit, a second circuit and a power supply terminal, and specifically, P1, P2, P3 and P4 can be connected to an IO (input/output) port of a controller MCU (micro controller unit), so that disconnection and connection of each circuit and a power supply are controlled by the controller MCU, when a first MOS tube Q1 of the first sub-circuit and a third MOS tube Q3 of a third sub-circuit are connected, P1 and P3 are effectively connected to form a first circuit, current flows to T2 from T1 at the moment, when a second MOS tube Q2 of the second sub-circuit and a fourth MOS tube Q4 of the fourth sub-circuit are connected, P2 and P4 are effectively connected to form a second circuit, and current flows to T1 from T2 at the moment; therefore, the first circuit or the second circuit is correspondingly conducted according to the plugging mode (positive connection and reverse connection) of the atomizer and the power supply assembly.

In an embodiment, referring to fig. 4, the buck-boost circuit includes a fifth MOS transistor Q5, a sixth MOS transistor Q6, a seventh MOS transistor Q7, an eighth MOS transistor Q8, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, and a first inductor L;

a source electrode of the fifth MOS transistor Q5 and one end of a sixth resistor R6 are connected with a control signal input end in a point sharing manner, the other end of the sixth resistor R6 and a grid electrode of the fifth MOS transistor Q5 are connected with a power supply in a point sharing manner, a drain electrode of the fifth MOS transistor Q5 is connected with a first end of a first inductor L, a source electrode of the sixth MOS transistor Q6 and one end of a seventh resistor R7 are connected with a control signal input end in a point sharing manner, the other end of the seventh resistor R7 and a grid electrode of the sixth MOS transistor Q6 are connected with a first end of the first inductor L in a point sharing manner, and a drain electrode of the sixth MOS transistor Q6 is grounded;

the source electrode of the seventh MOS transistor Q7 and one end of the eighth resistor R8 are connected to the control signal input terminal at the same point, the other end of the eighth resistor R8 and the gate electrode of the seventh MOS transistor Q7 are connected to the power output terminal at the same point, the drain electrode of the seventh MOS transistor Q7 is connected to the second end of the first inductor L, the source electrode of the eighth MOS transistor Q8 and one end of the ninth resistor R9 are connected to the control signal input terminal at the same point, the other end of the ninth resistor R9 and the gate electrode of the eighth MOS transistor Q8 are connected to the second end of the first inductor L at the same point, and the drain electrode of the eighth MOS transistor Q8 is grounded.

Adopt the utility model discloses a starting circuit of atomizer, starting circuit includes: the microphone is arranged in the power supply assembly, and the voltage comparison circuit, the PWM circuit and the control circuit are electrically connected with the microphone; the microphone transmits a voltage signal generated by air pressure change to the voltage comparison circuit, the voltage comparison circuit generates a first voltage signal or a second voltage signal according to a comparison result, the corresponding PWM circuit converts the corresponding voltage signal into a square wave signal with a corresponding duty ratio, and the controller determines the heating power corresponding to the current sucking mode output by the power supply according to the duty ratio of the corresponding square wave.

Example 2

Embodiment 2 is an application embodiment of the starting circuit of the atomizer according to embodiment 1, and embodiment 2 provides an electronic atomization device including the starting circuit of the atomizer. Electronic atomization device includes atomizer and power supply module, and power supply module and atomizer carry out the plug to be connected, and atomizer and power supply module are including just connecing and the transposition, and is specific, power supply module 2000 for atomizer 1000 provides the electric energy, power supply module 2000 with atomizer 1000 forms in first relative position or second relative position and can dismantle the connection, and power supply module 2000 is equipped with first electrode and second electrode, and atomizer 1000 is equipped with the first electrode contact that corresponds with first electrode to and the second electrode contact that corresponds with the second electrode, and power supply module 2000's power supplies the electricity for atomizer 1000, then heats atomizing liquid through the heating circuit in atomizer 1000, makes the atomizing gas that the atomizing liquid atomizing produced get into the air current passageway to mix with the gas in the air current passageway, so that the user inhales atomizing gas through the gas outlet.

The power assembly 2000 may be releasably coupled to the nebulizer 1000 in any one of two different relative positions, namely the first relative position and the second relative position described above. The foregoing relative positions are referred to relative positional relationships between both the power supply assembly 2000 and the atomizer 1000, regardless of the positional relationships with other objects. For example, power assembly 2000 on one side or the other of nebulizer 1000 along its length, for example, power assembly 2000 on one side or the other of nebulizer 1000 along its width, for example, power assembly 2000 at an angular position of nebulizer 1000, for example, power assembly 2000 at an axial position of power assembly 2000 on nebulizer 1000, etc., the electrode contacts comprise a first electrode contact and a second electrode contact that are symmetrical about a reference plane.

The first relative position connection and the second relative position connection respectively correspond to two different sucking modes, and the sucking modes comprise mouth sucking and lung sucking.

As shown in fig. 5 to 7, the power module 2000 includes a microphone 600, a negative pressure detection device, a controller, and a vibration device 2900, the microphone 600 has a cavity 2480 formed therein, the power module 2000 has an air inlet 470, an air outlet, a first passage 2490 connecting the cavity 2480 of the microphone 600 with the air outlet, and a second passage 2491 connecting the air inlet 470 with the air outlet, the vibration device 2900 is electrically connected to the controller, the negative pressure detection device is connected to a signal input terminal of the controller, the negative pressure detection device is configured to generate a trigger signal when the negative pressure of the cavity 2480 of the microphone 600 reaches a preset threshold, and the controller is configured to control the vibration device 2900 to vibrate according to the trigger signal.

The negative pressure detection device may adopt a negative pressure sensor, the negative pressure sensor is located in a cavity 2480 inside the microphone 600, the gas flows from the cavity 2480 to the gas outlet through a first passage 2490 to form a negative pressure in the cavity 2480, and the negative pressure is converted into a voltage signal by a gas pressure conversion circuit and transmitted to a first control circuit.

The vibration device 2900 is a vibration motor that includes a rotary motor and an eccentric mass in coaxial drive connection with the rotary motor output shaft, the mass center of the eccentric mass being a first preset distance away from the motor shaft along the radial direction of the motor shaft. When the rotary motor receives a control signal of the controller, the power supply is switched on to drive the output shaft to rotate, and the output shaft drives the eccentric block which is in coaxial transmission connection with the output shaft to rotate. Because the mass center of the eccentric block is away from the motor rotating shaft by a first preset distance along the radial direction of the motor rotating shaft, momentum imbalance of the motor is caused in the rotating process of the eccentric block, and vibration is generated. The magnitude of the vibration can also be controlled by setting the weight of the eccentric mass and the position of the first preset distance in this embodiment.

In this embodiment, the gas outlet communicates with the smoking mouth of atomizer 1000, and when the flue is unobstructed and the user's dynamics of breathing in was suitable, can produce the negative pressure in first passageway 2490, second passageway 2491 cavity 2480. The air flow driven by the negative pressure flows from the air inlet 470 to the air outlet via the second passage 2491 on the one hand and from the cavity 2480 to the air outlet via the first passage 2490 on the other hand, and forms a negative pressure in the cavity 2480 inside the microphone 600 and can reach a sufficient negative pressure value.

In addition, in this embodiment, the power module 2000 further includes a bracket 2400, the air inlet 470, the air outlet, the first passage 2490 and the second passage 2491 are formed on the bracket 2400, a second accommodating chamber 2440 is formed on the bracket 2400, and the vibrating device and the microphone 600 are located in the second accommodating chamber 2440. The support 2400 in this embodiment serves as a mounting base for other components, and the air inlet 470, the air outlet, the first channel 2490 and the second channel 2491 can be integrally formed by the support 2400. The bracket 2400 may be divided into a first receiving chamber 2430 and a second receiving chamber 2440 by a partition, where the first receiving chamber 2430 is used for placing a battery, and the second receiving chamber 2440 is used for placing a microphone 600, a vibration motor, and other small components.

A strip groove 2460 penetrating through one surface of the first accommodating chamber 2430 facing the housing 2500 is formed on one surface of the first accommodating chamber 2430 facing the housing, and the battery is mounted above the strip groove 2460.

Since the power module 2000 has a positive output and a negative output, the electrode contacts of the atomizer 1000 in this embodiment are also provided with two electrode contacts that are symmetrical with respect to the reference plane. The connection between the atomizer 1000 and the power module 2000 at the first relative position or the second relative position can be realized with the positive and negative poles of the power module 2000. And the connection of the positive and negative poles of the power supply corresponding to the two relative positions is just opposite, and the control circuit in the power supply assembly 2000 can quickly identify the relative position relationship when the atomizer 1000 and the power supply assembly 2000 are connected according to the polarity of the power supply connection.

The electronic atomization device of the utility model is adopted, the microphone is arranged in the power supply assembly, and the voltage comparison circuit, the PWM circuit and the control circuit are electrically connected with the microphone; the microphone transmits a voltage signal generated by air pressure change to the voltage comparison circuit, the voltage comparison circuit generates a first voltage signal or a second voltage signal according to a comparison result, the corresponding PWM circuit converts the corresponding voltage signal into a square wave signal with a corresponding duty ratio, and the controller determines the heating power corresponding to the current sucking mode output by the power supply according to the duty ratio of the corresponding square wave.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A starting circuit for a nebulizer, the starting circuit comprising: the microphone is arranged in the power supply assembly, and the voltage comparison circuit, the PWM circuit and the control circuit are electrically connected with the microphone;

2. The starting circuit of atomizer according to claim 1, wherein a cavity is formed in the interior of the head, and the power supply assembly has an air inlet, an air outlet, and a first passage connecting the cavity and the air outlet and a second passage connecting the air inlet and the air outlet.

3. The starting circuit of the atomizer according to claim 1, wherein said PWM circuit comprises a first PWM circuit and a second PWM circuit, said first PWM circuit and said second PWM circuit are connected in parallel, and said second PWM circuit has the same circuit structure as said first PWM circuit.

4. A starting circuit for a nebulizer as claimed in claim 3, wherein said first PWM circuit comprises: the circuit comprises a sub-control chip, a first capacitor, a second capacitor, a tenth resistor, an eleventh resistor, a twelfth resistor, a first diode and a second diode, wherein the eleventh resistor is a sliding resistor;

5. The starting circuit of the atomizer according to any one of claims 1 to 4, wherein the buck-boost circuit comprises a fifth MOS transistor, a sixth MOS transistor, a seventh MOS transistor, an eighth MOS transistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, and a first inductor;

the source electrode of the fifth MOS tube and one end of the sixth resistor are connected with a control signal input end in a point-sharing manner, the other end of the sixth resistor and the grid electrode of the fifth MOS tube are connected with a power supply in a point-sharing manner, the drain electrode of the fifth MOS tube is connected with the first end of the first inductor, the source electrode of the sixth MOS tube and one end of the seventh resistor are connected with the control signal input end in a point-sharing manner, the other end of the seventh resistor and the grid electrode of the sixth MOS tube are connected with the first end of the first inductor in a point-sharing manner, and the drain electrode of the sixth MOS tube is grounded;

6. The starting circuit of atomizer according to claim 5, further comprising a heating circuit for heating a load heating wire, wherein an input terminal of said heating circuit is connected to an input voltage, and an output terminal of said heating circuit is grounded via said heating wire.

7. The activation circuit of a nebulizer of claim 6, wherein the heating circuit comprises a first circuit and a second circuit, the first circuit being such that the input voltage flows from the first end of the heater wire to the second end of the heater wire, the second circuit being such that the input voltage flows from the second end of the heater wire to the first end of the heater wire.

8. The activation circuit of a nebulizer of claim 7, wherein the heating circuit comprises: the heating wire comprises a first resistor, a second resistor, a first MOS (metal oxide semiconductor) tube, a third resistor, a second MOS tube, a fourth resistor, a third MOS tube, a fifth resistor, a fourth MOS tube and the heating wire;

the common point of the source electrode of the first MOS tube and one end of the first resistor is used for connecting an enabling signal control end, the common point of the other end of the first resistor and one end of the grid electrode of the first MOS tube and one end of the second resistor is used as a first power supply end to be connected with a power supply, the common point of the other end of the second resistor and the drain electrode of the first MOS tube is connected with the first end of the heating wire, the common point of the source electrode of the second MOS tube and one end of the third resistor is used for connecting an enabling signal control end, the common point of the other end of the third resistor and the grid electrode of the second MOS tube is connected with the first end of the heating element, the drain electrode of the second MOS tube is used as a first grounding end to be grounded, the common point of the source electrode of the third MOS tube and one end of the fourth resistor is used for connecting an enabling signal control end, the common point of the other end of the fourth resistor and the grid electrode of the third MOS tube is used as a second power supply end, the drain electrode of the third MOS tube is connected with the second end of the heating wire, and the common point of the source electrode of the fourth MOS tube is used as a second grounding end of the heating wire.

9. An electronic atomizer device comprising a starting circuit for an atomizer according to any one of claims 1 to 8, comprising an atomizer and said power supply unit, said power supply unit being connected to said atomizer by means of a plug.

10. The electronic atomizer of claim 9, wherein said power module and said atomizer comprise a forward plug and a reverse plug, said forward plug electrically connecting a first electrode contact of said atomizer with a first electrode of said power module, and said second electrode contact of said atomizer with a second electrode of said power module; the reverse insertion is that the first electrode contact of the atomizer is electrically connected with the second electrode of the power supply assembly, and the second electrode contact of the atomizer is electrically connected with the first electrode of the power supply assembly.