CN216255458U

CN216255458U - Aerosol generator

Info

Publication number: CN216255458U
Application number: CN202122558726.5U
Authority: CN
Inventors: 周胜文; 陈家太
Original assignee: Shenzhen Smiss Technology Co Ltd
Current assignee: Shenzhen Smiss Technology Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-12
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to an aerosol generating device, comprising: a housing having an opening; an air duct is arranged in the shell, and a suction channel is arranged in the air duct; the fixed seat is arranged in the opening at one end of the shell, and a liquid storage cavity is defined by the outer wall of the fixed seat, the outer wall of the air duct and the inner wall of the shell; the fixed seat is provided with an air outlet communicated with the suction channel, the bottom side of the fixed seat is provided with an air inlet communicated with the air outlet, and the top side of the fixed seat is provided with a first liquid inlet; the heating unit is accommodated in the fixed seat, and an air inlet channel is formed by the outer wall of the heating unit and the inner wall of the fixed seat at a distance and is communicated with the air inlet and the air outlet; a liquid inlet channel is arranged in the heating unit, the liquid inlet channel is transversely arranged and provided with two trumpet-shaped inlets, and the liquid inlet channel is communicated with the liquid storage cavity through a first liquid inlet hole. The aerosol generating device effectively shortens the flow path of the atomizing medium and the flow path of the aerosol, and is beneficial to reducing the occurrence of condensate.

Description

Aerosol generator

Technical Field

The utility model relates to the technical field of electronic atomizers, in particular to an aerosol generating device.

Background

The existing electronic atomizer comprises an aerosol generating device and a host machine, wherein the aerosol generating device is assembled in an opening space at the upper part of the host machine. The aerosol generating device comprises a heating element and other components, a liquid storage cavity and a suction channel are arranged in the aerosol generating device, an air passing channel communicated with the suction channel is formed between the other components, and a liquid passing channel communicated with the liquid storage cavity is formed between the other components.

The atomizing medium flows to the heating element from the liquid storage cavity through the liquid channel, the atomizing medium is heated and atomized to be aerosol, the generated aerosol flows to the suction channel through the air channel again for a user to suck, the atomizing medium flow path and the aerosol flow path are bent in a complex mode, the path is too long and time is consumed, and therefore condensate is prone to occurring.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an aerosol generator, which is capable of solving the problems that the path inside the aerosol generator is too long and the condensate is likely to occur in a long time.

An aerosol generating device comprising:

a housing having an opening; an air duct is arranged in the shell, and a suction channel is arranged in the air duct;

the fixing seat is arranged in an opening at one end of the shell, and a liquid storage cavity is defined by the outer wall of the fixing seat, the outer wall of the air guide pipe and the inner wall of the shell; the fixed seat is provided with an air outlet communicated with the suction channel, the bottom side of the fixed seat is provided with an air inlet communicated with the air outlet, and the top side of the fixed seat is provided with a first liquid inlet;

the heating unit is accommodated in the fixed seat, a distance exists between the outer wall of the heating unit and the inner wall of the fixed seat, an air inlet channel is formed, and the air inlet channel is communicated with the air inlet hole and the air outlet hole; a liquid inlet channel is arranged in the heating unit, the liquid inlet channel is transversely arranged and provided with two trumpet-shaped inlets, and the liquid inlet channel is communicated with the liquid storage cavity through the first liquid inlet hole; the atomized medium loaded in the liquid storage cavity flows to the liquid inlet channel through the first liquid inlet hole and the horn-shaped inlet, and the atomized medium is atomized into aerosol through the heating unit; and external air flow flows to the air inlet channel from the air inlet hole, and aerosol in the air inlet channel flows into the suction channel through the air outlet hole under the driving of the external air flow.

Foretell aerial fog generating device through holding the heating unit in the fixing base, and the atomizing medium directly flows to the heating unit through the first feed liquor hole on fixing base top side, and the aerosol that the atomizing generated flows to the suction channel by the inlet channel in the fixing base, effectively shortens atomizing medium flow path and aerosol flow path, does benefit to the reduction and appears the condensate.

In one embodiment, the heating unit comprises a core and a heating circuit, the heating circuit is arranged on the bottom side of the core, and the liquid inlet channel transversely penetrates through the core.

In one embodiment, the aerosol generating device further comprises a sealing member, and the sealing member is covered outside the core body and is contained in the fixed seat.

In one embodiment, the sealing member defines a first receiving groove for receiving the core, a top wall of the first receiving groove defines a first air hole communicating with the air outlet, and a side wall of the first receiving groove defines a second liquid inlet communicating with the inlet.

In one embodiment, the fixing base includes a cover and a base, the cover and the base are detachably connected, and the base is detachably connected to the housing.

In one embodiment, the cover has a second receiving groove for receiving the sealing element and the core, the air outlet and the first liquid inlet are disposed on the cover, and the air inlet is disposed on the base.

In one embodiment, the outer wall of the sealing member is spaced from the inner wall of the second receiving groove and defines the air inlet passage.

In one embodiment, the aerosol generating device further comprises an adapter, the base is provided with a containing cavity and is provided with extending arms, the extending arms are clamped on two sides of the cover body, the adapter is contained in the containing cavity and is abutted against the heating unit, and the adapter is provided with a second air hole communicated with the air inlet hole.

In one embodiment, the aerosol generating device further comprises a connecting terminal, the connecting terminal is fixed on the base and at least partially exposed, and the exposed part of the connecting terminal penetrates through the adapter and abuts against the heating circuit.

In one embodiment, the aerosol generating device further comprises a sealing gasket, the sealing gasket is covered on the top side of the cover body, the sealing gasket is provided with a third air hole communicated with the air outlet hole, and the sealing gasket is provided with a third liquid inlet hole communicated with the second liquid inlet hole.

Drawings

FIG. 1 is a schematic view of an aerosol generating device according to an embodiment;

FIG. 2 is an exploded view of the aerosol-generating device of FIG. 1;

FIG. 3 is a first cross-sectional view of the aerosol-generating device of FIG. 1;

FIG. 4 is a second cross-sectional view of the aerosol-generating device of FIG. 1;

FIG. 5 is a first exploded view of the holder and heating unit of the aerosol-generating device shown in FIG. 1;

fig. 6 is a second exploded view of the holder and the heating unit of the gas mist generator shown in fig. 1.

Reference numerals:

10. an aerosol generating device; 100. a housing; 101. a suction channel; 101a, an air duct; 102. a liquid storage cavity; 200. a fixed seat; 201. an air outlet; 202. an air inlet; 203. an air intake passage; 204. a first liquid inlet hole; 210. a cover body; 211. a second receiving groove; 220. a base; 221. a cavity; 222. a reach arm; 300. A heating unit; 301. a liquid inlet channel; 302. an inlet; 310. a core body; 320. a heat-emitting line; 400. a seal member; 410. a first receiving groove; 411. a first air hole; 412. a second liquid inlet hole; 500. a transfer seat; 501. A second air hole; 600. a connection terminal; 700. a gasket; 710. a third air hole; 720. a third liquid inlet hole; 800. absorbing liquid; 801. and a fourth air hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an electronic atomizer in one embodiment includes a main body (not shown) and an aerosol generating device 10, wherein the aerosol generating device 10 is mounted on the main body.

In particular embodiments, the gas mist generating device 10 and the main body may be integrally formed. The aerosol generating device 10 and the main body can also be of a split structure and can be detachably connected in a magnetic attraction mode, a clamping mode and the like.

It should be noted that, a battery assembly (not shown) for supplying power to the aerosol generating device 10 is arranged in the main body, the battery assembly is electrically connected with the aerosol generating device 10, and the aerosol generating device 10 heats the atomized medium under the electric drive of the battery assembly, so that the atomized medium is atomized to form aerosol for a user to suck. An aerosol is a colloidal dispersion of small particles of a solid or liquid dispersed and suspended in a gaseous medium and is absorbed by the human body through the respiratory system.

Referring to fig. 2 and 3, the aerosol-generating device 10 in an embodiment includes a housing 100, a fixing base 200, and a heating unit 300. The heating unit 300 is received in the holder 200, and the holder 200 is installed in the housing 100.

Specifically, as shown in fig. 3, the housing 100 has an opening, and an air duct 101a is provided in the housing 100, and an aspiration channel 101 is provided in the air duct 101 a. The fixing seat 200 is arranged in an opening at one end of the shell 100, and a liquid storage cavity 102 is defined by the outer wall of the fixing seat 200, the air duct 101a and the inner wall of the shell 100; the fixing base 200 is provided with an air outlet 201 communicated with the suction channel 101, the bottom side of the fixing base 200 is provided with an air inlet 202 communicated with the air outlet 201, and the top side of the fixing base 200 is provided with a first liquid inlet 201. Referring to fig. 4, the inner wall of the fixing base 200 is spaced from the outer wall of the heating unit 300 to form an air inlet channel 203, and the air inlet channel 203 is communicated with the air inlet 202 and the air outlet 201. A liquid inlet channel 301 is arranged in the heating unit 300, the liquid inlet channel 301 is transversely arranged and provided with two trumpet-shaped inlets 302, and the liquid inlet channel 301 is communicated with the liquid storage cavity 102 through a first liquid inlet hole 204.

As shown in fig. 3, the atomized medium loaded in the liquid storage cavity 102 flows into the liquid inlet channel 301 through the first liquid inlet 204 and the trumpet-shaped inlet 302, and the atomized medium is atomized into aerosol through the heating unit 300; as shown in fig. 4, the external air flow flows from the air inlet 202 to the air inlet channel 203, and the aerosol in the air inlet channel 203 flows into the suction channel 101 through the air outlet 201 under the driving of the external air flow.

It will be appreciated that after the aerosol is converted to aerosol by the heating unit 300, the aerosol must be driven by the driving force to flow from the inlet channel 203 into the suction channel 101, as indicated by the arrow path in fig. 4. By providing an air inlet 202 communicating with the air inlet channel 203, an external air flow can enter the air inlet channel 203 through the air inlet 202, thereby providing a driving force for the aerosol to flow from the air inlet channel 203 into the suction channel 101.

Through the arrangement, the heating unit 300 is accommodated in the fixing base 200, the atomized medium directly flows to the heating unit 300 through the first liquid inlet hole 204 on the top side of the fixing base 200, and the aerosol generated by atomization flows to the suction channel 101 from the air inlet channel 203 in the fixing base 200, so that the flow path of the atomized medium and the flow path of the aerosol are effectively shortened, and the occurrence of condensate is reduced.

In the embodiment shown in fig. 5 and 6, the heating unit 300 includes a core 310 and a heat generating circuit 320 connected with each other, and the heat generating circuit 320 is disposed on the bottom side of the core 310.

In this embodiment, as shown in fig. 5 and 3, the liquid inlet channel 301 transversely penetrates the core 310 and has two trumpet-shaped inlets 302. Correspondingly, the number of the first liquid inlet holes 204 is also two, and each first liquid inlet hole 204 corresponds to one inlet 302.

Note that the lateral direction is the horizontal direction, i.e., the X direction shown in fig. 3. Through setting up two tubaeform imports 302, can make the atomizing medium through the import 302 fast flow direction to inlet channel 301 of first feed liquor hole 204, tubaeform, do benefit to and improve atomization efficiency.

In a particular embodiment, the core 310 is a porous ceramic. As shown in fig. 3, the atomized medium loaded in the reservoir 102 flows into the liquid inlet channel 301 through the first liquid inlet hole 204, the atomized medium permeates from the liquid inlet channel 301 to the bottom side of the core 310, the heat generating circuit 320 at the bottom side of the core 310 heats and atomizes the atomized medium into aerosol, the generated aerosol is continuously accumulated in the air inlet channel 203, and the aerosol in the air inlet channel 203 flows into the suction channel 101 through the air outlet hole 201 under the driving of external air flow.

In the present embodiment, the heating line 320 has a wavy shape. In other embodiments, the heat generating circuit 320 may also have a flat spiral shape.

As shown in fig. 3, the aerosol-generating device 10 further includes a sealing member 400, and the sealing member 400 is covered outside the core 310 and is accommodated in the fixing base 200.

In the embodiment, as shown in fig. 5, the sealing member 400 is provided with a first receiving groove 410 for receiving the core 310, a first air hole 411 communicating with the air outlet 201 is formed on a top wall of the first receiving groove 410, and a second liquid inlet hole 412 communicating with the trumpet-shaped inlet 302 is formed on a side wall of the first receiving groove 410.

In this embodiment, as shown in fig. 5, the first receiving groove 410 has an open-bottom structure. The first gas hole 411 is opened in the middle of the top wall of the first receiving chamber 410, and the side walls of the first receiving chamber 410 are respectively provided with a first liquid inlet 204.

In this embodiment, the sealing member 400 is made of silicone or rubber, and can be elastically deformed to better fit and seal with the core 310.

As shown in fig. 5, the fixing base 200 includes a cover 210 and a base 220, the cover 210 and the base 220 are detachably connected, and the base 220 is detachably connected to the housing 100.

In this embodiment, as shown in fig. 5, the cover 210 is provided with a second receiving groove 211 for receiving the sealing member 400 and the core 310, and the second receiving groove 211 has a lower end opening structure. The outer wall of the sealing member 400 is spaced apart from the inner wall of the second receiving groove 211 and forms an air intake passage 203. Through this setting, can make full use of space, compact structure.

As shown in fig. 6, the air outlet 201 and the first liquid inlet 204 are disposed on the cover 210, and the air inlet 202 is disposed on the base 220. The cover body 210 is provided with

In the embodiment shown in fig. 5, the aerosol generating device 10 further includes an adapter 500, a cavity 221 is disposed in the base 220, a portion of the cavity 221 penetrates through the base 220 and forms protruding arms 222 on two sides of the base 220, the adapter 500 is disposed in the cavity 221 and abuts against the heating unit 300, the protruding arms 222 are clamped on two sides of the cover 210, and the adapter 500 is provided with a second air hole 501 communicated with the air inlet 202.

In this embodiment, as shown in fig. 3, the housing 100 has an open end, the base 220 is clamped at the open end of the housing 100, and the cover 210 is accommodated in the housing 100.

Referring to fig. 3, the aerosol generating device 10 further includes a connecting terminal 600, the connecting terminal 600 is fixed to the base 220 and at least partially exposed, and the exposed portion of the connecting terminal 600 penetrates through the adaptor 500 and abuts against the heating circuit 320.

It can be understood that, the battery assembly includes an electrically connected battery and an output electrode, and the connection terminal 600 is abutted to the output electrode to conduct the circuit between the battery assembly and the aerosol generating device 10, so that the aerosol generating device 10 heats the atomizing medium under the electric driving of the battery assembly, and the atomizing medium is atomized to form aerosol for the user to suck.

In the embodiment shown in fig. 6, the aerosol generating device 10 further includes a sealing gasket 700, and the sealing gasket 700 is disposed on the top side of the cover 210 and abuts against the inner wall of the housing 100, so that the cover 210 is tightly attached to the inner wall of the housing 100 through the sealing gasket 700, and the aerosol medium is prevented from leaking into the gap between the cover 210 and the housing 100, thereby achieving a better sealing effect.

In this embodiment, the gasket 700 is provided with a third air hole 710 communicated with the air outlet hole 201, and the gasket 700 is provided with a third liquid inlet hole 720 communicated with the second liquid inlet hole 412.

It can be understood that, with reference to fig. 3, the atomized medium loaded in the liquid storage chamber 102 flows to the liquid inlet channel 301 through the third liquid inlet hole 720, the first liquid inlet hole 204, and the second liquid inlet hole 412 in sequence, and the atomized medium is atomized into aerosol by the heating unit 300; referring to fig. 4, the external air flows to the air inlet channel 203 through the air inlet 202 and the second air hole 501 in sequence, and the aerosol in the air inlet channel 203 flows into the suction channel 101 through the first air hole 411, the air outlet 201 and the third air hole 710 in sequence under the driving of the external air.

In this embodiment, the number of the first liquid inlet holes 204 is two, and the number of the second liquid inlet holes 412 is also two. In other embodiments, the number of the first liquid inlet holes 204 and the second liquid inlet holes 412 may be other values.

In the embodiment shown in fig. 6, the aerosol generating device 10 further includes an absorbent 800, and the absorbent 800 is interposed between the adaptor 500 and the base 220.

In this embodiment, the absorbent body 800 is further provided with a fourth air hole 801 communicating with the second air hole 501.

In a specific embodiment, the liquid absorbing material 800 is oil cotton, and can collect the atomized medium exposed by adsorption to prevent the atomized medium from being exposed out of the base 220.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An aerosol generating device, comprising:

the heating unit is accommodated in the fixed seat, a distance exists between the outer wall of the heating unit and the inner wall of the fixed seat, an air inlet channel is formed, and the air inlet channel is communicated with the air inlet hole and the air outlet hole; a liquid inlet channel is arranged in the heating unit, the liquid inlet channel is transversely arranged and provided with two trumpet-shaped inlets, and the liquid inlet channel is communicated with the liquid storage cavity through the first liquid inlet hole;

the atomized medium loaded in the liquid storage cavity flows to the liquid inlet channel through the first liquid inlet hole and the horn-shaped inlet, and the atomized medium is atomized into aerosol through the heating unit; and external air flow flows to the air inlet channel from the air inlet hole, and aerosol in the air inlet channel flows into the suction channel through the air outlet hole under the driving of the external air flow.

2. The aerosol generating device of claim 1, wherein the heating unit comprises a core and a heat generating circuit, the heat generating circuit is disposed on a bottom side of the core, and the liquid inlet channel transversely penetrates through the core.

3. The aerosol generating device of claim 2, further comprising a sealing member, wherein the sealing member is housed outside the core and in the holder.

4. The aerosol generating device as claimed in claim 3, wherein the sealing member defines a first receiving groove for receiving the core, a top wall of the first receiving groove defines a first air hole communicating with the air outlet, and a sidewall of the first receiving groove defines a second inlet communicating with the inlet.

5. The aerosol generating device of claim 4, wherein the mounting base comprises a cover and a base, the cover and the base are detachably connected, and the base is detachably connected with the housing.

6. The aerosol generating device of claim 5, wherein the cover has a second receiving slot for receiving the sealing element and the core, the air outlet and the first inlet are disposed on the cover, and the air inlet is disposed on the base.

7. The aerosol generating device of claim 6, wherein an outer wall of the sealing member is spaced from an inner wall of the second receiving cavity and defines the air inlet passage.

8. The aerosol generating device of claim 5, further comprising an adapter, wherein the base has a cavity and has a protruding arm, the protruding arm is clamped on two sides of the cover, the adapter is accommodated in the cavity and abutted against the heating unit, and the adapter is provided with a second air hole communicated with the air inlet hole.

9. The aerosol-generating device according to claim 8, further comprising a connection terminal fixed to the base and at least partially exposed, wherein the exposed portion of the connection terminal penetrates the adaptor and abuts against the heating line.

10. The aerosol generating device of claim 5, further comprising a gasket, wherein the gasket covers the top side of the cover, the gasket is provided with a third air hole communicated with the air outlet hole, and the gasket is provided with a third liquid inlet hole communicated with the second liquid inlet hole.