WO2021159915A1

WO2021159915A1 - Atomizer and aerosol generation apparatus with same

Info

Publication number: WO2021159915A1
Application number: PCT/CN2021/071993
Authority: WO
Inventors: 邱伟华; 邓马良
Original assignee: 常州市派腾电子技术服务有限公司
Priority date: 2020-02-10
Filing date: 2021-01-15
Publication date: 2021-08-19
Also published as: CN212911688U; CN211746937U; EP4104690A1; EP4104690A4

Abstract

Disclosed are an atomizer (100) and an aerosol generation apparatus with the atomizer (100). The atomizer (100) comprises a liquid storage part (10), a base (20) arranged at an end of the liquid storage part (10), and a vapor output pipe (11) arranged in the liquid storage part (10). The atomizer (100) further comprises a connecting part (30) arranged between the base (20) and the vapor output pipe (11), wherein an air intake pipe (261) is arranged in a protruding manner on the base (20), and the side of the connecting part (30) close to the vapor output pipe (11) is recessed to form a first collecting tank (311). In the atomizer (100), the connecting part (30) is arranged between the base (20) and the vapor output pipe (11), and corresponding to the vapor output pipe (11), the connecting part (30) is provided with the first collecting tank (311), such that condensate generated in the vapor output pipe (11) or an aerosol-forming substrate leaked from the atomizer (100) is collected in the first collecting tank (311), the aerosol-forming substrate is prevented from leaking to the outside of the aerosol generation apparatus from the air intake pipe (261), thereby preventing liquid leakage, and achieving good user experience.

Description

Atomizer and its aerosol generating device

Technical field

The utility model relates to the technical field of simulated smoking, in particular to an atomizer and an aerosol generating device.

Background technique

The aerosol generating device includes an atomizer and a power supply device electrically connected to the atomizer. A liquid storage cavity and a heating structure are arranged in the atomizer. The heating structure heats the aerosol supplied by the liquid storage cavity under the electric drive of the power supply device. The matrix is formed, and the smoke is formed for the user to inhale. However, during the use of the aerosol generating device, the aerosol-forming matrix adsorbed in the heating structure easily flows out of the air inlet of the atomizer under the action of gravity, and the condensate generated in the atomizer is also easy to escape from the atomizer. The air inlet flows out to the outside of the aerosol generating device, which affects the user experience.

Utility model content

Based on this, it is necessary to provide an atomizer and an aerosol generating device that can prevent liquid leakage.

The technical solution adopted by the utility model to solve the technical problem is: an atomizer, the atomizer includes a liquid storage member, a base provided at one end of the liquid storage member, and an outlet is arranged in the liquid storage member. A smoke pipe, the atomizer further includes a connecting piece arranged between the base and the smoke outlet pipe, the base is protrudingly provided with an air inlet pipe, and the connecting piece is close to one side of the smoke outlet pipe The depression is formed with a first collection groove.

Further, the base is formed with a second collecting groove facing the end surface of the connecting piece, a gap is provided between the outer peripheral wall of the connecting piece and the base, the gap forms a communication channel, and the air inlet pipe is provided with a gap. There is an air inlet, the communication channel and the air inlet are staggered, and the air inlet, the communication channel, and the inner cavity of the smoke outlet pipe are communicated in sequence.

Further, the end surface of the base facing the connecting piece is formed with a second collecting groove, the connecting piece is provided with a communication channel, the air inlet pipe is provided with an air inlet, and the communication channel is connected to the air inlet. The ports are staggered, and the air inlet, the communication channel, and the inner cavity of the smoke outlet pipe are connected in sequence.

Further, the connecting piece includes a body and two connecting protrusions, the connecting protrusions are protrudingly provided on the body, and the two connecting protrusions are both held against the base. The lower end surface and the upper end surface of the base are enclosed to form an airflow channel, one end of the airflow channel communicates with the air inlet, and the other end of the airflow channel communicates with the communication channel.

Further, the base includes a base and a mounting protrusion, the mounting protrusion is protrudingly provided on the base, and the mounting protrusion has a hollow cylindrical structure, and the connecting piece is accommodated in the mounting protrusion. In the cavity, the communication channel is formed by the outer peripheral wall of the connecting piece and the inner wall of the mounting protrusion.

Further, the base is protrudingly provided with two resisting protrusions, the air inlet pipe is protrudingly provided on the base, and the two resisting protrusions are provided on opposite sides of the air inlet pipe, the The second collecting groove is formed by enclosing the outer wall of the air inlet pipe, the outer wall of the resisting protrusion, the inner wall of the mounting protrusion, and the upper end surface of the base body.

Further, the resisting protrusion is provided with a mounting hole penetrating the base, and the connecting protrusion is provided with two through holes, and one of the resisting protrusions corresponds to one of the connecting protrusions. Each of the connecting protrusions is held against the corresponding holding protrusion, the atomizer further includes two electrodes, one of the electrodes corresponds to one of the mounting holes, and each of the One end of the electrode is received in the corresponding mounting hole, the other end of each electrode passes through the mounting hole and the through hole in turn and is received in the cavity of the mounting protrusion, and the upper part of the electrode The end surface is higher than the upper end surface of the connecting piece.

Further, the atomizer further includes a mounting member and a heating structure housed in the mounting member, the liquid storage member is provided with a liquid storage cavity, and the mounting member is housed in the mounting protrusion away from the One end of the base, the end of the mounting member away from the base is connected to the smoke outlet pipe and communicates with the liquid storage cavity, and one end of the heating structure resists the electrode.

Further, the heating structure includes a liquid guide and a heating element that are in contact with each other, the heating element is arranged at one end of the liquid guide close to the electrode, and two pins are provided on the heating element, one of which is The pin is electrically connected to one of the electrodes, and the other pin is electrically connected to the other electrode.

An aerosol generating device comprising the atomizer described in any one of the foregoing.

The beneficial effect of the utility model is that the atomizer or aerosol generating device provided by the utility model is provided with a connecting piece between the base and the smoke outlet pipe, and the connecting piece is provided with a first collecting groove corresponding to the smoke outlet pipe, so that The condensate generated in the smoke outlet pipe or the aerosol-forming matrix leaked from the atomizer is collected in the first collecting tank to prevent the aerosol-forming matrix from leaking from the inlet pipe to the outside of the aerosol generating device, preventing liquid leakage, and a better user experience .

Description of the drawings

The utility model will be further described below in conjunction with the drawings and embodiments.

Figure 1 is a schematic diagram of the structure of the atomizer of the present utility model;

Figure 2 is an exploded view of the atomizer of the present utility model;

Fig. 3 is a schematic diagram of the structure of the base in the atomizer shown in Fig. 1;

4 is a schematic diagram of the structure of the connector in the atomizer shown in FIG. 1;

Fig. 5 is another schematic diagram of the structure of the connector shown in Fig. 3;

Fig. 6 is a schematic diagram of the heating structure in the atomizer shown in Fig. 1;

Figure 7 is a cross-sectional view of the atomizer of the present utility model;

The names of the parts and their numbers in the figure are:

Atomizer 100 Liquid storage part 10 Base 20

Connecting part 30 Installation part 40 Heating structure 50

Smoke outlet pipe 11 Air outlet 111 Liquid reservoir 12

The first card slot 13 Installation protrusion 21 Air inlet 22

Installation hole 23 Step surface 24 Second collection tank 25

The first buckle 211 The second card slot 212 Groove 213

First sealing ring 60 Body 31 Connecting protrusion 32

First collection tank 311 Through hole 33 Airflow channel 34

Connecting channel 35 Electrode 70 Second snap 41

Limit ring 42 Smoke channel 43 Liquid guide 51

Heating element 52 Connecting hole 511 Receiving slot 512

Seal 80 Second sealing ring 90 Fixing hole 811

Liquid inlet 82 Installation slot 83 Smoke exit channel 14

Resisting department 214 Base 26 Intake pipe 261

Resisting protrusion 262

Detailed ways

The utility model will now be described in detail with reference to the drawings. The drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

As shown in Figures 1 and 7, the present invention provides an aerosol generating device. The aerosol generating device includes an atomizer 100 and a power supply device electrically connected to the atomizer 100, wherein the atomizer 100 It includes a liquid storage member 10, a base 20 provided at one end of the liquid storage member 10, a connecting member 30 provided on the base 20, a mounting member 40 accommodated in the liquid storage member 10, and a heating structure 50 mounted on the mounting member 40. When in use, the aerosol-forming substrate in the liquid storage member 10 enters the heating structure 50, the power supply device supplies power to the heating structure 50, and the heating structure 50 atomizes the aerosol-forming substrate to generate smoke for the user to inhale.

The liquid storage member 10 is roughly in the form of a hollow cylindrical structure with one end open. The liquid storage member 10 is provided with a smoke outlet pipe 11 in the shape of a hollow cylinder. The opposite ends of the smoke outlet pipe 11 are open. The upper end of 11 penetrates the liquid storage member 10 and opens to form an air outlet 111. The space between the inner wall of the liquid storage member 10 and the outer wall of the smoke outlet pipe 11 forms a liquid storage cavity 12 for storing aerosol forming matrix. The cavity forms a smoke channel 14, and the inner wall of the liquid storage member 10 on the opposite sides is provided with a first slot 13.

As shown in Figures 2, 3 and 7, the base 20 includes a base 26 and a mounting protrusion 21. The mounting protrusion 21 is protrudingly provided on the base 26, and the mounting protrusion 21 is a hollow cylindrical structure, and the base 26 is protruding. There are an air inlet pipe 261 and two resisting protrusions 262. In this embodiment, the air inlet pipe 261 is arranged at the approximate center of the base body 26, and the two resisting protrusions 262 are arranged on opposite sides of the air inlet pipe 261. The upper part is provided with an air inlet 22 penetrating through the base body 26, a mounting hole 23 penetrating through the base body 26 is opened on the resisting protrusion 262, the outer wall of the air inlet pipe 261, the outer wall of the resisting protrusion 262, the inner wall of the mounting protrusion 21, and the base body The upper end surfaces of 26 are jointly enclosed to form a second collecting groove 25. There is a preset height difference between the groove bottom wall of the second collecting groove 25 and the upper end surface of the air inlet pipe 261. In addition, the outer peripheral wall of the mounting protrusion 21 A step surface 24 is formed between the outer peripheral wall of the base 20 and the base 20.

A first buckle 211 and a second buckle 212 are provided on the wall surfaces on two opposite sides of the mounting protrusion 21, and the first buckle 211 corresponds to the first buckle 13. The outer peripheral wall of the mounting protrusion 21 is recessed to form an annular groove 213. When the base 20 is installed at one end of the liquid storage member 10, the mounting protrusion 21 is inserted into the liquid storage member 10, and the bottom wall of the liquid storage member 10 and the step The surfaces 24 resist, and the first buckle 211 is engaged in the first groove 13 to enhance the connection strength. A resisting portion 214 is also provided in the mounting protrusion 21. The atomizer 100 also includes a first sealing ring 60. The first sealing ring 60 is received in the groove 213 and sandwiched between the liquid storage member 10 and the base 20 to enhance the sealing performance. Understandably, the first sealing ring 60 Made of sealing materials such as rubber or silicone.

As shown in Figures 4, 5, and 7, the connecting piece 30 is disposed between the base 20 and the smoke outlet pipe 11. The connecting piece 30 includes a body 31 and two connecting protrusions 32, and the connecting protrusions 32 are protruding from the body 31. On the side of the main body 31 close to the smoke outlet pipe 11, a first collection groove 311 is recessed. The first collection groove 311 is arranged corresponding to the smoke outlet channel 14. That is, the first collection groove 311 is arranged below the smoke outlet channel 14. Each connecting protrusion 32 is provided with a through hole 33, the through hole 33 penetrates the main body 31 and the connecting protrusion 32, and each connecting protrusion 32 corresponds to a resisting protrusion 262. The connecting member 30 is contained in the cavity of the mounting protrusion 21, the connecting protrusion 32 is held against the corresponding holding protrusion 262, and the lower end surface of the main body 31 and the upper end surface of the base 26 are enclosed to form an air flow channel 34, A communication channel 35 is formed between the outer peripheral wall of the connecting member 30 and the inner wall of the mounting protrusion 21. One end of the air flow channel 34 communicates with the air inlet 22, and the other end of the air flow channel 34 communicates with the communication channel 35.

The atomizer 100 also includes two electrodes 70, one electrode 70 corresponds to one mounting hole 23, one end of each electrode 70 is received in the corresponding mounting hole 23, and the other end of the electrode 70 passes through the mounting hole 23 and After the through hole 33 is received in the cavity of the mounting protrusion 21, the upper end surface of the electrode 70 is higher than the upper end surface of the connecting member 30, and one of the electrodes 70 is electrically connected to one of the positive and negative electrodes of the power supply device. The other electrode 70 is electrically connected to the other electrode of the positive electrode and the negative electrode of the power supply device.

The mounting member 40 is generally in the shape of a hollow cylinder with two openings at both ends. The inner cavity of the mounting member 40 is in communication with the liquid storage chamber 12, and the outer peripheral walls of the two opposite sides of the mounting member 40 are protruded with second buckles 41 and limit stops. Ring 42, one end of the mounting member 40 is inserted into the mounting protrusion 21 and resisted on the resisting portion 214, the second buckle 41 is latched in the second groove 212, and the limit ring 42 resists the mounting protrusion. From the upper end surface of the starting 21, the lower end surface of the mounting member 40 and the upper end surface of the connecting member 30 are formed with a smoke passage 43 communicating with the communication passage 35, one end of the smoke passage 43 is in communication with the communication passage 35, and the other end of the smoke passage 43 It is connected to the smoke outlet channel 14. In this embodiment, a gap is provided between the lower end surface of the mounting member 40 and the upper end surface of the connecting member 30, and the smoke channel 43 is formed by the gap. In the embodiment, the smoke channel 43 may also be opened on the upper end surface of the connecting member 30.

As shown in Figures 6 and 7, the heating structure 50 includes a liquid guide 51 and a heating element 52 that are in contact with each other. The liquid guide 51 is provided with a communication hole 511. The accommodating groove 512. In this embodiment, the communicating hole 511 is arranged at the approximate center of the liquid guide 51, and the accommodating groove 512 is arranged around the communicating hole 511. The liquid guide 51 is made of porous ceramics. The liquid guide 51 can absorb and store the aerosol to form a matrix. The heating element 52 is arranged at the bottom of the liquid guide 51, that is, the heating element 52 is arranged at the end of the liquid guide 51 close to the electrode 70. The heating element 52 is The heating circuit sintered on the liquid guide 51, the liquid guide 51 is housed in the mounting member 40, and the liquid guide 51 is sleeved on the outside of the smoke outlet pipe 11, the communication hole 511 communicates with the smoke outlet channel 14, and the liquid guide 51. One end of the heating element 52 is mounted against the electrode 70, and two pins are provided on the heating element 52. One pin is electrically connected to one electrode 70, and the other pin is electrically connected to the other electrode 70. The heating element 52 is electrically connected to the power supply device. When the user uses the aerosol generating device, the aerosol-forming matrix in the liquid storage cavity 12 flows through the upper end of the mounting member 40 to the receiving groove 512 of the liquid guiding member 51, Under the electric driving action of the power supply device, the heating element 52 generates heat and heats the aerosol-forming substrate stored on the liquid guide 51, and the aerosol-forming substrate is atomized to generate smoke to be emitted into the smoke channel 43. The arrangement of the accommodating groove 512 increases the contact area between the liquid guide 51 and the aerosol forming substrate, and improves the liquid guide ability of the liquid guide 51.

In one of the embodiments, in order to further enhance the sealing between the mounting member 40 and the heating structure 50 and between the mounting member 40 and the liquid storage member 10, and prevent liquid leakage, the atomizer 100 further includes a sealing member 80 and a second The sealing ring 90, the sealing member 80 is protrudingly provided with a fixing protrusion 81, the fixing protrusion 81 is provided with a fixing hole 811, and the sealing member 80 is provided with a liquid inlet 82 on opposite sides of the fixing protrusion 81. This embodiment Wherein, the fixing protrusion 81 is arranged at the approximate center of the sealing member 80, the lower end surface of the sealing member 80 is recessed upward along its axial direction to form a mounting groove 83 communicating with the liquid inlet 82, and the sealing member 80 is accommodated inside the mounting member 40 , And the sealing member 80 is sandwiched between the heating structure 50 and the mounting member 40, and the fixing hole 811 communicates with the communicating hole 511. The second sealing ring 90 is sandwiched between the mounting member 40 and the liquid storage member 10.

When the atomizer 100 is in use, the aerosol-forming substrate in the liquid storage cavity 11 flows to the liquid guide 51 through the liquid inlet 82. When the user starts the aerosol generating device, the heating element 52 acts on the electric drive of the power supply device. It generates heat and heats the aerosol-forming substrate stored on the liquid guide 51, so that the aerosol-forming substrate is atomized and the smoke is emitted into the smoke channel 43. The outside air enters the airflow channel 34 through the air inlet 22, and then sequentially It flows through the communication channel 35 and the smoke channel 43 and carries the smoke together through the smoke outlet channel 14 and the air outlet 111 and then enters the user's mouth. During the use of the atomizer 100, the condensate in the smoke outlet pipe 11, the leaking aerosol-forming substrate, and the aerosol-forming substrate on the heating structure 50 that are too late to be atomized can be collected by the first collection tank 311, and the communication channel The condensate in 35, the inner wall of the mounting protrusion 21, and the condensate on the bottom wall of the connecting member 30 can be collected by the second collection tank 25. In addition, when the condensate in the first collection tank 311 is full, the first collection The condensate overflowing from the tank 311 can flow into the second collection tank 25 through the communication channel 35, preventing the condensate in the first collection tank 311 from flowing to the outside of the aerosol generating device; it is understandable that when the user tilts the atomizer At this time, the condensate collected in the first collection tank 311 can also flow into the second collection tank 25 through the communication channel 35, which is also beneficial to prevent excessive condensate in the first collection tank 311 and affect its collection effect. Place.

It is understandable that in other embodiments not shown, the communication channel 35 may also be opened on the connecting member 30, as long as the heating structure 50 is provided between the communication channel 35 and the smoke outlet channel 14, and passes through the communication channel 35. When the air flows to the smoke outlet channel 14, it passes through the heating structure 50, and the communication channel 35 and the air inlet 22 are staggered.

The atomizer 100 provided by the present utility model is provided with a connecting piece 30 between the base 20 and the smoke outlet pipe 11, and the connecting piece 30 is provided with a first collection groove 311 corresponding to the smoke outlet pipe 11, so that the smoke generated in the smoke outlet pipe 11 The condensate or the aerosol-forming substrate leaked from the atomizer 100 is collected in the first collecting tank 311 to prevent the aerosol-forming substrate from leaking from the air inlet pipe 261 to the outside of the aerosol generating device and prevent liquid leakage. At the same time, a second collection tank 25 is provided on the base 20, and a communication channel 35 staggered from the air inlet 22 is provided between the connecting member 30 and the base 20. The communication channel 35 communicates with the smoke outlet channel 14, so that the first collection The aerosol-forming substrate overflowing from the tank 311 can flow into the second collection tank 25 through the communication channel 35 to further prevent liquid leakage.

Since the aerosol generating device provided by the present invention has all the technical features of the above-mentioned atomizer 100, it has the same technical effect as the above-mentioned atomizer 100.

Taking the above-mentioned ideal embodiment according to the present utility model as inspiration, through the above-mentioned description content, the relevant staff can make various changes and modifications without departing from the scope of the present utility model. The technical scope of this utility model is not limited to the content in the description, and its technical scope must be determined according to the scope of the claims.

Claims

An atomizer, characterized in that: the atomizer includes a liquid storage member, a base provided at one end of the liquid storage member, a smoke outlet pipe is arranged in the liquid storage member, and the atomizer further includes A connecting piece arranged between the base and the smoke outlet pipe, the base is protrudingly provided with an air inlet pipe, and a side of the connecting piece close to the smoke outlet pipe is recessed to form a first collecting groove.
The atomizer according to claim 1, wherein the end surface of the base facing the connecting member is formed with a second collecting groove, and a gap is provided between the outer peripheral wall of the connecting member and the base, so The gap forms a communication channel, the air inlet pipe is provided with an air inlet, the communication channel and the air inlet are staggered, and the air inlet, the communication channel, and the inner cavity of the smoke outlet pipe are arranged in sequence Connected.
The atomizer according to claim 1, wherein the end surface of the base facing the connecting piece is formed with a second collecting groove, the connecting piece is provided with a communication channel, and the air inlet pipe is provided with an inlet An air port, the communication channel and the air inlet are staggered, and the air inlet, the communication channel, and the inner cavity of the smoke outlet pipe are communicated in sequence.
The atomizer according to claim 2 or 3, wherein the connecting member includes a body and two connecting protrusions, the connecting protrusions are protrudingly provided on the body, and the two connecting protrusions The lower end surface of the main body and the upper end surface of the base are enclosed to form an air flow channel. One end of the air flow channel is in communication with the air inlet. The other end is in communication with the communication passage.
The atomizer according to claim 4, wherein the base includes a base and a mounting protrusion, the mounting protrusion is protrudingly provided on the base, and the mounting protrusion has a hollow cylindrical structure, The connecting member is accommodated in the cavity of the mounting protrusion, and the communication channel is formed by a joint enclosure between the outer peripheral wall of the connecting member and the inner wall of the mounting protrusion.
The atomizer of claim 5, wherein the base is provided with two resisting protrusions, the air inlet pipe is protruding from the base, and the two resisting protrusions are provided On opposite sides of the intake pipe, the second collecting groove is enclosed by the outer wall of the intake pipe, the outer wall of the resisting protrusion, the inner wall of the mounting protrusion, and the upper end surface of the base. form.
The atomizer according to claim 6, wherein the supporting protrusion is provided with a mounting hole penetrating through the base, and the connecting protrusion is provided with two through holes, one of which is Each of the protrusions corresponds to one of the connecting protrusions, and each of the connecting protrusions abuts on the corresponding resisting protrusion. The atomizer further includes two electrodes, one of which is connected to One of the mounting holes corresponds, one end of each electrode is received in the corresponding mounting hole, and the other end of each electrode passes through the mounting hole and the through hole in turn and is received in the mounting hole. In the convex cavity, the upper end surface of the electrode is higher than the upper end surface of the connecting piece.
7. The atomizer according to claim 7, wherein the atomizer further comprises a mounting member and a heating structure contained in the mounting member, the liquid storage member is provided with a liquid storage cavity, the The mounting member is accommodated at the end of the mounting protrusion away from the base, the end of the mounting member away from the base is connected to the smoke outlet pipe and communicates with the liquid storage cavity, and one end of the heating structure is connected to the base. The electrodes resist each other.
8. The atomizer according to claim 8, wherein the heating structure comprises a liquid guide and a heating element that are in contact with each other, and the heating element is arranged at an end of the liquid guide close to the electrode, and The heating element is provided with two pins, one of the pins is electrically connected to one of the electrodes, and the other of the pins is electrically connected to the other of the electrodes.
An aerosol generating device, characterized in that: the aerosol generating device comprises the atomizer according to any one of claims 1-9.