CN213404851U

CN213404851U - Aerosol generating device

Info

Publication number: CN213404851U
Application number: CN202021259951.8U
Authority: CN
Inventors: 邱伟华
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-06-11
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an aerosol generating device, it is including setting up fan unit, heating element, smoke pot subassembly and the control circuit in casing assembly, be formed with the airflow channel who communicates with the outside air in the aerosol generating device, control circuit and fan unit and heating element electric connection are configured to the receipt and preheat the signal to according to preheating signal control fan unit and heating element work, in order to form and preheat smog. The utility model provides an aerosol generates device, through set up fan unit in airflow channel, control circuit receives control fan unit work behind the preheating signal, and in the outside air got into airflow channel, control circuit control heating element heating formed preheating air current, should preheat the aerosol formation matrix in the air current process smoke pot and the heating smoke pot, the smog that preheats that the production heating is abundant, the taste is suitable is produced, can directly inhale when the user sucks and preheat the back production smog.

Description

Aerosol generating device

Technical Field

The utility model relates to a simulation smoking technical field especially relates to an aerosol generates device.

Background

The aerosol-generating device comprises a component for receiving an aerosol-forming substrate, a heating element for heating the aerosol-forming substrate, the heating element being electrically driven by the power supply device to heat the aerosol-forming substrate to form an aerosol for inhalation by a user, and a power supply device in electrical communication with the heating element. Wherein, an aerosol generating device based on hot air heating utilizes the cold air to become high temperature gas when passing through the heating element in the aerosol generating device, then high temperature gas passes through the aerosol-forming substrate and heats the aerosol-forming substrate to form smoke for the user to draw, such aerosol generating device has the problem that the aerosol-forming substrate heats inadequately when the user just begins to use because the air temperature in the aerosol generating device is too low, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for an aerosol generating device that can be preheated in advance and can form preheated aerosol.

The utility model provides a technical scheme that its technical problem will adopt is: an aerosol-generating device, characterized by: the aerosol-generating device comprises:

the shell assembly is used for accommodating the fan assembly, the heating assembly, the smoke pan assembly and the control circuit, an airflow channel is arranged in the shell assembly, and the shell assembly is also provided with an air inlet which is respectively communicated with the airflow channel and the outside;

a bowl assembly disposed within the airflow passage and configured to store an aerosol-forming substrate;

a heating assembly disposed within and/or outside the airflow passage for heating air within the airflow passage, the heated air flowing towards the bowl assembly to heat atomize the aerosol-forming substrate;

a fan assembly disposed within the airflow passage and in fluid communication with the bowl assembly;

the control circuit is electrically connected with the fan assembly and the heating assembly, is configured to receive a preheating signal, controls the fan assembly to work according to the preheating signal so as to convey air to the smoke pan assembly, and is also configured to control the heating assembly to work according to the preheating signal so as to heat the air conveyed by the fan assembly.

Furthermore, the heating assembly is arranged in the airflow channel, the outer wall of the heating assembly and the outer wall of the fan assembly and the inner wall of the shell assembly jointly enclose to form an air inlet channel, one end of the air inlet channel is communicated with the air inlet, and the other end of the air inlet channel is communicated with the airflow channel.

Further, the fan assembly comprises a fan arranged in the airflow channel and a fan shell arranged outside the fan, and an inner cavity of the fan shell is a part of the airflow channel.

Further, an air duct is formed on the fan housing, and the air duct is communicated with the air inlet channel and the airflow channel.

Furthermore, the fan assembly further comprises a connecting piece arranged at one end of the fan shell, the connecting piece is of a hollow structure, one end of the connecting piece is connected with the fan shell, and the other end of the connecting piece is connected with the heating assembly.

Further, the bowl assembly includes a bowl disposed in the airflow passage and a bowl housing disposed outside the bowl, the aerosol-forming substrate is contained in the bowl, and one end of the bowl housing is connected to the heating assembly.

Further, the aerosol generating device further comprises a cigarette holder component arranged at one end of the cigarette pan component, the cigarette holder component comprises a cigarette holder and an air vent arranged in the cigarette holder, a cigarette outlet is formed in the cigarette holder, the air vent is of a hollow structure with one open end, the open end of the air vent is far away from the cigarette outlet, and an air outlet communicated with the cigarette outlet is formed in the side wall of the air vent.

Furthermore, the open end of the ventilation piece is provided with a receiving piece, a liquid blocking piece is arranged in the receiving piece, at least one air hole communicated with the inner cavity of the ventilation piece is formed in the liquid blocking piece, and a through hole communicated with the air hole is formed in the receiving piece.

Further, the control circuit comprises a preheating switch, a preheating control chip and a battery assembly, wherein the preheating control chip comprises at least one charging input end and at least one PWM signal output end, the at least one charging input end is electrically connected with the battery assembly, the at least one PWM signal output end is electrically connected with the fan, and the preheating switch is arranged between the charging input end and the battery assembly.

Further, an MOS tube is arranged between the PWM signal output end and the fan, a G pole, a D pole and an S pole are arranged on the MOS tube, a ground terminal and a power supply end are arranged on the fan, the G pole of the MOS tube is electrically connected with the PWM signal output end, the D pole of the MOS tube is electrically connected with the ground terminal of the fan, the S pole of the MOS tube is grounded, and the power supply end of the fan is electrically connected with the battery pack.

The utility model has the advantages that: the utility model provides an aerosol generates device, through set up fan unit in the airflow channel, control circuit receives control fan unit work after preheating the signal, and in the outside air got into airflow channel, control circuit control heating element heating formed preheating air current, and this preheating air current is through the aerosol formation substrate in smoke pot and the heating smoke pot, produces the abundant smog of preheating of heating, and the user can directly eat when using preheating smog, the taste is suitable, and user experience feels better.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Figure 1 is a schematic diagram of the structure of an aerosol-generating device of the present invention;

figure 2 is a schematic diagram of a control circuit within the aerosol-generating device of figure 1;

the names and the numbers of the parts in the figure are respectively as follows:

shell 300 housing assembly 10 fan assembly 20

Heating assembly 30 bowl assembly 40 mouthpiece assembly 50

Casing 11 end cover 12 air inlet 111

Mounting protrusion 121 of air inlet channel 113 of clamping groove 112

Hook 122 fan 21 connector 22

Air duct 231 accommodating member 31 of fan case 23

Heating element 32 housing 41 smoke pan 42

Sealing ring 43 of air vent 422 of abutting edge 421

Mouthpiece 51 ventilating member 52 container 53

The liquid blocking piece 54 has a smoke outlet 511 and a smoke outlet 521

Flange 522 through hole 531 air hole 541

Battery assembly 200

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and merely illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the present invention provides an aerosol-generating device comprising a housing assembly 10 and, housed in sequence within the housing assembly 10, a fan assembly 20, a heating assembly 30, a bowl assembly 40 and a control circuit, an airflow channel communicating with the ambient air being formed within the housing assembly 10, the bowl assembly 40 being located within the airflow channel and being adapted to store an aerosol-forming substrate; a heating assembly 30 is provided inside and/or outside the airflow passage for heating air within the airflow passage, the heated air flowing towards a bowl assembly 40 to heat atomise the aerosol-forming substrate; a fan assembly 20 disposed within the airflow path and in fluid communication with the bowl assembly 40; the control circuit is configured to control the heating assembly 30 to heat, and the control circuit includes a pre-heating control assembly electrically connected to both the fan assembly 20 and the heating assembly 30, the pre-heating control assembly being configured to receive a pre-heating signal and to control the operation of the fan assembly 20 to deliver air to the bowl assembly 40 based on the pre-heating signal, and to control the operation of the heating assembly 30 to heat the air delivered by the fan assembly 20 based on the pre-heating signal.

Before the user used aerosol generating device, preheating control subassembly received preheating signal start-up fan subassembly 20, and in the outside air got into the airflow channel, simultaneously preheating control subassembly control heating assembly 30 work, heating assembly 30 heated air made the aerosol generate device in produce the preheating air current, this preheating air current passes through smoke pot subassembly 40 and heats the aerosol formation substrate in the smoke pot subassembly 40, produces the abundant preheating smog of heating, is the smog that the temperature is suitable, heats abundant during the user's suction, experiences and feels better. The preheating signal may be generated by a user sending a preheating instruction, and the manner of sending the preheating instruction by the user may include actions of pressing a key, touching/moving a screen, sending voice information, and the like, without limitation.

It can be understood that the aerosol generating device is provided with a physical element for identifying a preheating instruction and controlling preheating according to the sent preheating instruction, for example, in some embodiments, the aerosol generating device is provided with an induction action element for inducing a user action and a controller for identifying a preheating signal, further, the induction action element includes a trigger button, the controller is a single chip microcomputer, when the trigger button is pressed by the user, it indicates that the user sends a preheating instruction, that is, the user sends the preheating signal to the aerosol generating device, and the controller of the aerosol generating device controls the heating assembly 30 and the fan assembly 20 to start preheating after receiving the preheating signal.

The aerosol-generating device further comprises a battery assembly 200, the battery assembly 200 is electrically connected to the control circuit and the preheating control assembly, and both the fan assembly 20 and the heating assembly 30 are electrically connected to the control circuit.

The housing assembly 10 includes a housing 11 and an end cap 12 disposed at one end of the housing 11.

In one embodiment, the housing 11 is substantially a hollow cylindrical structure with two open ends, the sidewall of the housing 11 is opened with at least one air inlet 111 communicating with the inner cavity of the housing 11, the air inlet 111 communicates with the air flow passage, the end cap 12 is disposed at one end of the housing 11 to close one open end of the housing 11, in this embodiment, the housing 11 and the end cap 12 are connected by snap fit, the inner wall of the housing 11 is recessed to form a snap-fit groove 112, the end cap 12 is protruded with a mounting protrusion 121, the mounting protrusion 121 is provided with a snap hook 122 corresponding to the snap-fit groove 112, when the end cap 12 is connected with the housing 11, the hooks 122 are engaged with the corresponding engaging grooves 112, so as to enhance the connecting strength between the housing 11 and the end cap 12, and as can be understood, in other embodiments, not shown, the housing 11 and the end cap 12 may be detachably connected by a magnetic connection, a threaded connection, or the like. An intake passage 113 communicating with the intake port 111 is also provided in the housing 11.

The fan assembly 20 includes a fan 21 disposed in the airflow channel, a fan housing 23 disposed outside the fan 21, and a connector 22 disposed at one end of the fan housing 23, the fan housing 23 is substantially a hollow cylindrical structure with two ends penetrating, the fan 21 is disposed in a cavity of the fan housing 23, the fan housing 23 is disposed at the bottom of the housing 11, and a gap is disposed between the fan housing 23 and the bottom wall of the housing 11, the gap forms an air duct 231 communicating with the air inlet channel 113, it can be understood that in other embodiments, the air duct 231 may also be a through hole opened on the fan housing 23; the connecting piece 22 is approximately in a hollow tubular structure with two through ends, one end of the connecting piece 22 is connected with the fan shell 23, the other end of the connecting piece 22 is connected with the heating assembly 30, the inner cavity of the connecting piece 22 is communicated with the inner cavity of the fan shell 23, the connecting piece 22 is arranged in a splayed shape, and the arrangement of the connecting piece 22 is convenient for gathering and circulating air flow in the fan assembly 20 into the heating assembly 30; meanwhile, in the present embodiment, the connection member 22 is made of a sealing material such as silicon rubber or rubber so as to enhance the sealing between the fan assembly 20 and the heating assembly 30.

Referring to fig. 1 again, in the present embodiment, the heating assembly 30 is disposed inside the airflow channel, the heating assembly 30 includes a heating element 32 disposed inside the airflow channel and a receiving element 31 disposed outside the heating element 32, the receiving element 31 is substantially a hollow cylindrical structure with two open ends, one end of the receiving element 31 is connected to the connecting element 22, so that the inner cavity of the receiving element 31 is communicated with the inner cavity of the connecting element 22, and the heating element 32 is received in the inner cavity of the receiving element 31. It will be appreciated that when the heating assembly 30 is disposed outside the airflow path, the heating assembly 30 may be disposed around the outer wall of the housing assembly 10, as long as the heating assembly 30 is capable of heating the air in the airflow path.

The smoke pan component 40 comprises a smoke pan 42 arranged in the airflow channel and a smoke pan shell 41 arranged outside the smoke pan 42, the smoke pan shell 41 is approximately in a hollow cylindrical structure with two through ends, at least part of the smoke pan shell 41 is arranged in the shell 11, a support edge 421 is arranged on the smoke pan 42, a plurality of vent holes 422 are arranged on the bottom wall of the smoke pan 42, aerosol forming substrate is filled in the smoke pan 42, understandably, the aerosol-forming substrate can be tobacco or tobacco paste, the smoke pan 42 is accommodated in the smoke pan shell 41, the abutting edge 421 abuts against the inner wall of the smoke pan shell 41, the smoke pan shell 41 is sleeved on the accommodating piece 31, the inner cavity of the smoke pan shell 41 is communicated with the inner cavity of the accommodating piece 31, the sealing ring 43 is clamped between the smoke pan shell 41 and the accommodating piece 31, to enhance the sealing at the junction of the bowl assembly 40 and the heating assembly 30, it is understood that the seal 43 is made of a sealing material such as silicone or rubber. It will be appreciated that the bowl housing 41 is made of a heat resistant material.

The aerosol-generating device further comprises a mouthpiece component 50 disposed at one end of the housing component 10, the mouthpiece component 50 comprising a mouthpiece 51, a breather 52 housed within the mouthpiece 51, a receptacle 53 disposed at one end of the breather 52, and a liquid barrier 54 disposed within the receptacle 53.

In one embodiment, the mouthpiece 51 is a hollow cylindrical structure with one open end, the mouthpiece 51 is provided with a smoke outlet 511, and the smoke outlet 511 is communicated with the inner cavity of the mouthpiece 51; the ventilating piece 52 is approximately in a hollow cylindrical structure with one open end, the open end of the ventilating piece 52 is far away from the smoke outlet 511, the side wall of the ventilating piece 52 is provided with an air outlet 521, the outer wall of the ventilating piece 52 is convexly provided with a flange 522, the flange 522 is abutted against the inner wall of the cigarette holder 51, so that the ventilating piece 52 is accommodated in the cigarette holder 51, the air outlet 521 is communicated with both the inner cavity of the ventilating piece 52 and the inner cavity of the cigarette holder 51, and the open end of the ventilating piece 52 is far away from the smoke outlet 511; the container 53 is substantially in a U-shaped cylindrical structure, a through hole 531 is formed in the container 53, the container 53 is arranged at the open end of the ventilating member 52 and is in threaded connection with the ventilating member 52, the liquid blocking member 54 is clamped between the ventilating member 52 and the container 53, the mouthpiece 51 is sleeved outside the smoke pot shell 51, and the inner cavity of the mouthpiece 51 is communicated with the inner cavity of the smoke pot shell 51.

The liquid blocking member 54 is used for filtering the gas entering the ventilating member 52 from the smoke pot assembly 40, at least one air hole 541 is formed in the liquid blocking member 54, the gas entering the ventilating member 52 can flow to the mouth of a user through the air hole 541, and meanwhile, the liquid blocking member 54 can prevent liquid such as condensate in the gas and non-atomized aerosol forming substrate from entering the mouth of the user.

In this embodiment, the air inlet channel 113 is formed by enclosing the outer wall of the heating assembly 30 and the outer wall of the fan assembly 20 with the inner wall of the housing 11, when the preheating control assembly receives a preheating signal, the preheating control assembly controls the starting fan 21 to rotate, the external air sequentially enters the inner cavity of the fan housing 23 through the air inlet 111, the air inlet channel 113 and the air duct 231, then under the rotation action of the fan 21, the air in the fan housing 23 enters the accommodating member 31 through the inner cavity of the connecting member 22, meanwhile, the heating member 32 is started under the control of the preheating control assembly, the surrounding air is heated under the electric heating action of the heating member 32 to generate high-temperature air, the high-temperature air continuously flows towards the smoke pot assembly 40, and when the high-temperature air flows through the smoke pot 42, the high-temperature air enters the smoke pot 42 through the vent 422 and heats the aerosol-forming substrate in the smoke pot 42, the smoke enters the ventilating piece 52 after being filtered by the liquid blocking piece 54 in the smoke pan component 40, the smoke entering the ventilating piece 52 enters the mouth of a user through the air outlet 521 and the smoke outlet 511, the air entering the ventilating piece 52 can collide with the top wall of the ventilating piece 52 due to the arrangement of the ventilating piece 52, and the condensate in the smoke is scattered by the top wall of the ventilating piece 52 and then enters the cigarette holder 51 through the air outlet 521, so that the condensate is prevented from being mixed in the smoke sucked by the user, and the user experience is better.

Air inlet channel 113 sets up between the outer wall of heating element 30 and fan assembly 20's outer wall and the inner wall of casing 11, and the outside air gets into fan assembly 20 behind the outer wall through holding 31 for the heat that holds 31 outer wall can be taken away to the outside air, reduces the temperature that holds 31 outer wall, and casing 11 temperature is too high when avoiding aerosol to generate the device to use reduces user experience and feels, in this embodiment, air flow channel is enclosed jointly by the inner chamber of fan housing 23, the inner chamber of connecting piece 22, the inner chamber that holds 31, the inner chamber of smoke pot shell 41 and the inner chamber of cigarette holder 51 and closes and forms, and when fan 21 rotated, the outside air got into through air inlet channel 113 in the air flow channel.

The preheating control assembly includes a preheating switch and a preheating control chip, the preheating control chip includes at least one charging input terminal and at least one PWM signal output terminal, wherein the at least one charging input terminal is electrically connected with the battery assembly 200, the at least one PWM signal output terminal is electrically connected with the fan 21, and the preheating switch is disposed between the charging input terminal and the battery assembly 200.

As shown in fig. 2, the preheating control chip U5 used in this embodiment is N76E003-MSOP20, the fan 21 is a fan U12, the preheating switch is SW1, the pin 9 of the preheating control chip U5 is a charging input terminal, the pin 16 of the preheating control chip U5 is a PWM signal output terminal, a resistor R32, a resistor R33 and a resistor R34 for shunting are connected between the preheating switch and the charging input terminal, the resistor R32 and the resistor R33 are connected in parallel and then connected in series with the resistor R34, a MOS (metal Oxide semiconductor) transistor Q2 for controlling voltage is arranged between the PWM signal output terminal and the fan 21, a G electrode (gate), a D electrode (drain) and an S electrode (source) are arranged on the MOS transistor Q2, a ground terminal (pin 2) and a power supply terminal (pin 1) are arranged on the fan U12, and the G electrode of the MOS transistor Q2 is electrically connected to the PWM signal output terminal, the D pole of the MOS transistor Q2 is electrically connected to the ground terminal of the fan U12, the S pole of the MOS transistor Q2 is electrically connected to the ground, and the power supply terminal of the fan U12 is electrically connected to the battery pack 200.

In one embodiment, as shown in fig. 2, a timer input terminal, i.e., a pin 13 on the preheat control chip U5, is disposed on the preheat control chip U5, the timer input terminal is electrically connected to the battery assembly 200, a resistor R10 is disposed between the timer input terminal and the battery assembly 200, and further, the timer input terminal is grounded through a filter capacitor bank, where the filter capacitor bank includes at least two filter capacitors connected in parallel. In this embodiment, as shown in fig. 2, the filter capacitor bank includes a first filter capacitor C3 and a second filter capacitor C4.

In this embodiment, the aerosol-generating device further includes a casing 300, the casing 300 has a substantially hollow cylindrical structure with one end open, the control circuit, the battery pack 200 and at least a part of the housing pack 10 are disposed in the casing 300 through the open end of the casing 300, the mouthpiece 51 is disposed outside the casing 300, and the lower end of the mouthpiece 51 abuts against the upper end of the casing 300.

In this embodiment, the preheat switch is also configured to generate a puff signal when triggered, and the preheat control chip U5 is further configured to control the operation of the heating assembly 30 to heat the aerosolized aerosol-forming substrate in response to the puff signal. It will be appreciated that in other embodiments, not shown, the control circuit further comprises an operating switch which, when triggered, generates a puff signal and an operating control chip for controlling the operation of the heating assembly 30 to heat the atomised aerosol-forming substrate in dependence on the puff signal.

In other embodiments, the preheat switch may optionally be replaced with other trigger elements, optionally the trigger elements include sensors including, but not limited to, air flow sensors, air pressure sensors, capacitive sensors, photosensitive sensors. When the sensor detects a preheat signal, a pump signal is transmitted to preheat control chip U5 and preheat control chip U5 controls heating assembly 30 to heat the aerosolized aerosol-forming substrate.

A method of controlling an aerosol-generating device, comprising the steps of:

s1: when the trigger element receives the preheating signal, the fan U12 and the heating element 32 work, and preheating smoke is generated in the aerosol generating device;

when the fan U12 is operated, external air enters the airflow channel under the rotation of the fan U12 to form airflow, meanwhile, the heating element 32 heats the airflow to form preheated airflow, the preheated airflow flows through the smoke pot 42, and the preheated airflow heats the aerosol-forming substrate in the smoke pot 42 to generate fully heated preheated smoke;

s2: the user puffs on the aerosol-generating device, the preheated aerosol being smoked by the user.

In this embodiment, the preheating signal is that the user presses preheating switch SW1 twice in succession, the utility model discloses an aerosol generating device is when using, the user presses preheating switch SW1 twice in succession, preheating switch SW1 switches on thereby making battery pack 200 switch on with R33 and R44, preheating control chip U5's charging input end is pin 9 becomes high level by the low level, preheating control chip U5's PWM signal output end is pin 16 outputs high level simultaneously and makes MOS tube Q2's the very high level of G, MOS tube Q2 switches on, MOS tube Q2 switches on the back and makes fan U12's earthing terminal be pin 2 switch on to ground, the electric current flows through R22 from battery pack 200, the power end that flows through fan U12 again is pin 1 to fan U12's earthing terminal formation a return circuit, fan U12 begins to work this moment. The on time of the fan U12 depends on the on time of the MOS transistor Q2, the wind power of the fan U12 is adjusted by the PWM signal output terminal of the preheating control chip U5, i.e., the PWM signal output by the pin 16, the larger the duty ratio is, the larger the wind power is, and conversely, the wind power is reduced as the duty ratio is reduced.

After the fan U12 starts to work, the external air enters the inner cavity of the fan housing 23 through the air inlet 111, the air inlet channel 113 and the air duct 231 in sequence, then under the rotation action of the fan 21, the air in the fan housing 23 enters the accommodating part 31 through the inner cavity of the connecting part 22 to form an air flow, meanwhile, the heating element 32 is electrically connected with the battery assembly 200 through the preheating control assembly, and heats the air flow under the electric action of the battery assembly 200 to generate a high-temperature preheating air flow, the high-temperature preheating air flow continues to flow towards the smoke pot assembly 40, when the high-temperature preheating air flow flows through the smoke pot 42, the high-temperature preheating air flow enters the smoke pot 42 through the vent hole 422 and fully heats the aerosol forming substrate in the smoke pot 42 to generate preheating smoke, after the preheating is completed, the fan U12 stops working, when a user starts to suck, the preheating smoke enters the cigarette holder 51 from the smoke pot assembly 40, and then enters the user, the preheating smoke is smoke which is heated fully, the taste is suitable, and the user experience is good. It will be appreciated that a temperature control system is provided within the aerosol generating device which sets the maximum temperature of heating element 32 to T and that fan U12 is deactivated when the temperature of heating element 32 reaches T.

The utility model provides an aerosol generating device, through set up airflow channel in casing subassembly 10, set up fan unit 20 in the airflow channel, fan unit 20 is in preheating control subassembly work when receiving preheating signal, in the outside air gets into airflow channel, simultaneously in preheating control subassembly control heating element 30 work, heated air makes aerosol generating device interior production preheat the air current, should preheat the air current and form the matrix through the aerosol in smoke pot subassembly 40 and the heating smoke pot subassembly 40, produces the abundant smog of preheating of heating, can suck the smog that the taste is suitable when the user uses, and user experience feels better.

The utility model provides a control method of aerosol generation device, the user can suck the smog of preheating that the taste is suitable, the heating is abundant when using, easy operation, user experience feels better.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An aerosol-generating device, characterized by: the aerosol-generating device comprises:

the control circuit is used for controlling the heating component to heat and comprises a preheating control component which is electrically connected with the fan component and the heating component.

2. An aerosol-generating device according to claim 1, wherein: the heating assembly is arranged in the airflow channel, the outer wall of the heating assembly and the outer wall of the fan assembly and the inner wall of the shell assembly jointly enclose to form an air inlet channel, one end of the air inlet channel is communicated with the air inlet, and the other end of the air inlet channel is communicated with the airflow channel.

3. An aerosol-generating device according to claim 2, wherein: the fan assembly comprises a fan arranged in the airflow channel and a fan shell arranged outside the fan, and an inner cavity of the fan shell is a part of the airflow channel.

4. An aerosol-generating device according to claim 3, wherein: an air channel is formed on the fan shell and communicated with the air inlet channel and the airflow channel.

5. An aerosol-generating device according to claim 3, wherein: the fan assembly further comprises a connecting piece arranged at one end of the fan shell, the connecting piece is of a hollow structure, one end of the connecting piece is connected with the fan shell, and the other end of the connecting piece is connected with the heating assembly.

6. An aerosol-generating device according to claim 1, wherein: the smoke pan component comprises a smoke pan arranged in the airflow channel and a smoke pan shell arranged outside the smoke pan, the aerosol forming substrate is contained in the smoke pan, and one end of the smoke pan shell is connected with the heating component.

7. An aerosol-generating device according to claim 1, wherein: the aerosol generating device further comprises a cigarette holder component arranged at one end of the cigarette pan component, the cigarette holder component comprises a cigarette holder and an air vent arranged in the cigarette holder, a cigarette outlet is formed in the cigarette holder, the air vent is of a hollow structure with one end open, the open end of the air vent is far away from the cigarette outlet, and an air outlet communicated with the cigarette outlet is formed in the side wall of the air vent.

8. An aerosol-generating device according to claim 7, wherein: the opening end of the ventilation piece is provided with a containing piece, a liquid blocking piece is arranged in the containing piece, at least one air hole communicated with the inner cavity of the ventilation piece is formed in the liquid blocking piece, and a through hole communicated with the air hole is formed in the containing piece.

9. An aerosol-generating device according to any one of claims 1 to 8, wherein: the control circuit comprises a preheating switch, a preheating control chip and a battery assembly, wherein the preheating control chip comprises at least one charging input end and at least one PWM signal output end, the at least one charging input end is electrically connected with the battery assembly, the at least one PWM signal output end is electrically connected with the fan, and the preheating switch is arranged between the charging input end and the battery assembly.

10. An aerosol-generating device according to claim 9, wherein: the fan comprises a PWM signal output end, a fan and a battery component, and is characterized in that an MOS (metal oxide semiconductor) tube is arranged between the PWM signal output end and the fan, a G pole, a D pole and an S pole are arranged on the MOS tube, a grounding end and a power end are arranged on the fan, the G pole of the MOS tube is electrically connected with the PWM signal output end, the D pole of the MOS tube is electrically connected with the grounding end of the fan, the S pole of the MOS tube is grounded, and the power end of the fan is electrically connected with the.