CN220675173U

CN220675173U - Electronic atomizer

Info

Publication number: CN220675173U
Application number: CN202322278488.1U
Authority: CN
Inventors: 魏武; 吴伟; 张海波
Original assignee: Shenzhen ALD Technology Co Ltd
Current assignee: Shenzhen ALD Technology Co Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-29
Anticipated expiration: 2033-08-23

Abstract

The utility model provides an electronic atomizer, comprising: the device comprises a shell with a liquid storage cavity, an atomization assembly fixed at one end of the liquid storage cavity, an air passage piece made of a material with high heat conduction performance and positioned in the liquid storage cavity, and a heat preservation structure arranged on the periphery of the air passage piece; the shell is provided with an air outlet, and an air flow channel communicated with the air outlet and the atomization component is formed in the air passage; the thermal conductivity of the material with high thermal conductivity is more than or equal to 10W/m.K. The application provides an electronic atomizer, air flue spare is through high heat conductivility material processing formation, and the high heat conductivility of air flue spare can reduce the temperature difference between aerosol in the air current passageway and the air flue inner wall fast, and insulation construction can block the atomized liquid that heat flow transmitted to the stock solution chamber effectively for electronic atomizer during operation air flue spare's inner wall can keep higher temperature, thereby reduces air flue spare because of with the aerosol difference in temperature big lead to easily generating the problem of condensate, and simple structure, low in preparation cost.

Description

Electronic atomizer

Technical Field

The utility model belongs to the technical field of atomization equipment, and particularly relates to an electronic atomizer.

Background

The use of electronic atomizers is often affected by condensate, and aerosol molecules with higher temperature encounter the inner wall surface of the air passage with lower relative temperature after entering the air passage, so that the aerosol molecules with higher relative temperature lose energy, slow down the movement of the molecules, and then condense into liquid drops, namely condensate is formed in the air passage. With the increase of the service time, the more condensate is accumulated, a series of problems are easily caused: when the user sucks experience, condensate is sucked frequently, and the user experience is affected; bacteria are easy to grow due to accumulation of condensate in the air passage, and the suction health and sanitation of a user are affected; condensate seeps to the battery stem and touches the electrodes, possibly resulting in a short circuit, rendering the atomizer inoperable.

To avoid or reduce the generation of condensate, the related art has also provided some preventive measures, such as auxiliary heating of the inner surface of the air passage member, but this approach is costly and structurally complex; shortening the length of the air passage, that is, shortening the residence time of the aerosol in the air passage part, probabilistically reduces the deposition of condensate on the inner wall surface of the air passage, but the control problem of condensate cannot be solved by the method.

Disclosure of Invention

The utility model aims to provide an electronic atomizer, which aims to solve the problems that the electronic atomizer in the related art cannot have the advantages of simple structure, good condensate control effect and the like.

In order to solve the technical problems, the utility model is realized by an electronic atomizer, comprising: the device comprises a shell with a liquid storage cavity, an atomization assembly fixed at one end of the liquid storage cavity, an air passage piece made of a material with high heat conduction performance and positioned in the liquid storage cavity, and a heat preservation structure arranged on the periphery of the air passage piece;

the shell is provided with an air outlet, and an air flow channel communicated with the air outlet and the atomization component is formed in the air passage; the thermal conductivity of the material with high thermal conductivity is more than or equal to 10W/m.K.

Further, the material with high heat conduction performance is a metal material or a nonmetal material.

Further, the metal material is one of copper, steel, aluminum and alloy; the nonmetallic material is an aluminide ceramic material.

Further, the heat insulation structure comprises a heat insulation layer, and the heat conductivity coefficient of the heat insulation layer is 0.05-0.15W/m.K.

Further, the ceramic coating is a ceramic coating.

Further, the material of the ceramic coating is an aqueous heat insulating material.

Further, the heat insulation structure further comprises a partition, and a first installation cavity communicated with the air outlet is arranged in the partition; one end of the separator, which is far away from the air outlet, is abutted against the atomization assembly; the inner wall of the first installation cavity and the air passage piece are enclosed to form an atmosphere heat-insulating layer.

Further, the thermal conductivity of the atmosphere thermal insulation layer is less than or equal to 0.5W/m.K, and/or the thermal insulation structure further comprises a filling layer arranged in the atmosphere thermal insulation layer, wherein the filling layer is arranged in the atmosphere thermal insulation layer.

Further, the material of the filling layer is one of mineral wool, glass wool, a heat insulation film and foam.

Further, the foam is one of EPS foam, PUR/PIR foam and PE foam.

Further, a gap is provided between the side of the filling layer facing away from the airway piece and the first mounting cavity.

Further, the atomizing assembly includes an atomizing core defining an atomizing chamber in communication with the airflow channel.

Further, the atomization assembly further comprises a mounting seat, a cover body and an electrode, wherein the mounting seat is abutted against one end, far away from the air outlet, of the isolation piece, and the cover body is fixed on one side, far away from the liquid storage cavity, of the mounting seat;

the atomizing core is fixed on the mounting seat and is electrically connected with the electrode;

the outer peripheral side of the mounting seat and the outer peripheral side of the cover body are in abutting connection and fixation with the inner wall of the shell; the mounting seat is provided with a liquid inlet channel, one end of the liquid inlet channel is communicated with the liquid storage cavity, and the other end of the liquid inlet channel is connected with the atomizing core;

one side of the atomizing core is enclosed with the cover body to define an atomizing chamber.

Compared with the prior art, the electronic atomizer has the beneficial effects that: when the electronic atomizer works, atomized liquid stored in the liquid storage cavity enters the atomization assembly, atomization is realized in the atomization assembly, and aerosol molecules formed by atomization can be transmitted to the outside of the air outlet through the air flow channel for users to use. The air passage piece is made of a material with high heat conduction performance, and when the electronic atomizer works, the high heat conduction performance of the air passage piece can quickly reduce the temperature difference between aerosol in the air flow passage and the inner wall of the air passage; the heat-insulating structure can effectively block heat flow transmission and prevent heat from being transmitted to atomized liquid in the liquid storage cavity, so that the inner wall of the air passage piece can keep higher temperature when the electronic atomization structure works, and condensate liquid is effectively prevented from being formed when high-temperature aerosol molecules are liquefied when the aerosol molecules flow through the airflow passage; moreover, the electronic atomizer has simple integral structure and low preparation cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings may be obtained from them without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the structure of an electronic atomizer in an embodiment of the utility model;

FIG. 2 is a cross-sectional view of the electronic atomizer in the direction A-A of FIG. 1;

fig. 3 is an enlarged view of detail a in fig. 2;

fig. 4 is a schematic view of the structure of the air passage and the heat insulating layer in the embodiment of the present utility model.

In the drawings, each reference numeral denotes: 1. a housing; 11. a liquid storage cavity; 12. an air outlet; 2. an atomizing assembly; 21. a mounting base; 211. a main body portion; 212. a sealing part; 22. a cover body; 23. a liquid-conducting substrate; 24. a heating element; 25. an electrode; 26. a liquid inlet channel; 27. an atomization chamber, 28, and an air inlet; 3. an airway piece; 31. an air flow channel; 32. a heat insulating layer; 4. an atmosphere heat-insulating layer; 41. a filling layer; 5. a spacer.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples:

as shown in fig. 1 to 4, in the present embodiment, the electronic atomizer includes: the atomization device comprises a shell 1 with a liquid storage cavity 11, an atomization assembly 2 fixed at one end of the liquid storage cavity 11, an air passage piece 3 which is made of a material with high heat conduction performance and is positioned in the liquid storage cavity 11, and a heat preservation structure arranged on the outer periphery side of the air passage piece 3; the shell 1 is provided with an air outlet 12, and an air flow channel 31 communicated with the air outlet 12 and the atomization assembly 2 is formed in the air passage 3; the thermal conductivity of the material with high thermal conductivity is more than or equal to 10W/m.K.

Specifically, when the electronic atomizer works, atomized liquid stored in the liquid storage cavity 11 enters the atomization assembly 2, atomization is realized in the atomization assembly 2, and aerosol molecules formed by atomization can be transmitted to the outside of the air outlet 12 through the air flow channel 31 for a user to use. An excessive temperature difference between aerosol molecules and the inner wall surface of the air passage member 3 is an important factor causing condensate to be generated. Compared with the air passage 3 made of PCTG plastic in the traditional mode, the air passage 3 made of high-heat-conducting material in the embodiment can quickly reduce the temperature difference between aerosol in the air flow channel 31 and the inner wall of the air passage when the electronic atomizer starts to work; the heat preservation structure can effectively block heat flow transmission, prevent heat transmission to the liquid storage cavity 11 outside the air passage part 3, so that the inner wall of the air passage part 3 can keep higher temperature when the electronic atomizer works, the problem that condensate is easy to generate in the air passage part 3 can be solved, and the electronic atomizer has the advantages of simple structure and low preparation cost.

In this embodiment, the material with high heat conductivity is a metal material or a non-metal material. The air passage 3 is made of a metal material or a nonmetal material, so that the air passage 3 has higher heat conduction efficiency, and when the electronic atomizer works, the air passage 3 is quickly heated under the heat conduction effect, so that the condition that aerosol molecules are liquefied when flowing through the airflow channel 31 when encountering cold can be effectively avoided.

In this embodiment, the metal material is one of copper, steel, aluminum, and an alloy. That is, when the air passage member 3 is made of a metal material, it may be made of a pure metal material such as copper, steel, aluminum, or an alloy, for example: the aluminum alloy is light and firm and has better heat conducting property. Of course, in other embodiments, gold, silver, etc. materials may also be used to form the airway piece 3. When the airway element 3 is made of a nonmetallic material, the nonmetallic material may be an alumina ceramic material, such as alumina ceramic, which has excellent heat conduction and stability.

In this embodiment, the insulation structure includes an insulation layer 32 applied to the outer side wall of the air passage 3, and the insulation layer 32 has a thermal conductivity of 0.05 to 0.15W/mK. The heat-insulating layer 32 can effectively block heat flow transmission, prevent heat transfer to the atomized liquid of liquid storage cavity 11 for the inner wall of air flue 3 can keep higher temperature when electronic atomizer works, also even the temperature difference between the inner wall of air flue 3 and the aerosol molecule in the air current passageway 31 is steadily maintained in less scope, has further reduced the aerosol molecule and has met cold liquefaction's probability when flowing through air current passageway 31, and condensate prevention and cure effect is good.

Specifically, the heat insulating layer 32 is a ceramic coating. The ceramic coating has good heat insulation performance and stable property. More specifically, the material of the ceramic coating may be an aqueous insulating material, such as: a nanotube ceramic coating material; the heat conductivity coefficient is small, and the heat insulation and heat preservation and condensation prevention can be realized.

In this embodiment, the insulation structure further includes a spacer 5, and a first installation cavity communicating with the air outlet 12 is provided in the spacer 5; one end of the separator 5, which is far away from the air outlet 12, is abutted against the atomization assembly 2; the inner wall of the first installation cavity and the air passage piece 3 are enclosed to form an atmosphere heat preservation layer 4, and the heat conduction coefficient of the atmosphere heat preservation layer 4 is smaller than or equal to 0.5W/m.K.

Specifically, one end of the spacer 5 is connected to the atomizing assembly 2, and the other end is connected to the housing 1. The isolating piece 5 is cylindrical, is sleeved on the periphery of the air passage piece 3, and forms an atmosphere heat-insulating layer 4 with the outer side wall of the air passage piece 3, so that the air passage piece 3 can be heat-insulated, namely, the temperature difference between the aerosol temperature and the air passage inner wall surface is kept to be minimized. Further, the insulation structure further comprises a filling layer 41 arranged in the atmosphere insulation layer 4, so that heat in the air passage 3 can be effectively prevented from being lost into the liquid storage cavity 11.

In a preferred implementation of the present embodiment, a gap is provided between the side of the filling layer 41 facing away from the air channel 3 and the first installation cavity. That is, the filling layer 41 and the spacer 5 are formed with a heat-insulating chamber, which may be a vacuum heat-insulating chamber, an air-filled heat-insulating chamber, an inert gas-filled heat-insulating chamber, or the like, without limitation. The heat exchange between the external liquid storage cavity 11 and the vent pipe is further reduced by the arrangement of the heat preservation cavity, so that the heat preservation performance is improved, namely the probability of liquefying aerosol molecules when the aerosol molecules flow through the airflow channel 31 during cooling is reduced, and the control effect of condensate is enhanced. In this embodiment, the connection and fixation between the filling layer 41 and the airway piece 3 may be achieved by adhesive curing using an adhesive.

In this embodiment, the material of the filling layer 41 is one of mineral wool, glass wool, a heat insulating film, and foam. Mineral wool is made up by using basalt and other natural ores as main raw materials, making them into fibre by high-temp. melting, adding proper quantity of adhesive and making them into the invented product. Mineral wool is made of high-density materials and has good heat insulation effect. The glass wool is a product which is made by using a unique centrifugal technology to fibrillate molten glass and adding an environment-friendly formula binder mainly containing thermosetting resin, and has the advantages of low heat conductivity coefficient, flexible and slender fiber and excellent heat preservation performance. The heat insulating film can be a multi-layer to dense high heat insulating metal film layer made of metals such as aluminum, gold, copper, silver and the like by vacuum spraying or magnetron sputtering technology, and has good heat insulating effect. The foam material can be a foam material with a honeycomb porous structure, and when the foam heat-insulating material is used as the material of the filling layer 41, the foam material has the advantages of low cost, small mass, easy acquisition and the like besides good heat-insulating effect.

Further, in this embodiment, the foam may be one of EPS foam, PUR/PIR foam, PE foam. EPS foam, namely polystyrene, is prepared from expandable polystyrene beads containing volatile liquid foaming agent through heating, pre-foaming, heating in mould, and shaping to obtain cellular porous structure with heat conductivity up to 0.03-0.04W/m.K. The thermal conductivity of the PUR foam, namely polyurethane, can reach 0.022-0.026W/m.K (25 ℃). PIR foams, i.e. polyurethane-modified polyisocyanurates, are foams obtained by polyurethane modification of polyisocyanurates and have a thermal conductivity as low as 0.018W/m.k (25 ℃).

In this embodiment, the atomizing assembly 2 includes an atomizing core defining an atomizing chamber 27 in communication with an air flow channel 31. The atomizing core in this embodiment may be a planar atomizing core, a columnar atomizing core or an atomizing core with other structures, and the atomized liquid may be atomized to form aerosol molecules by the atomizing core, and the aerosol molecules are transported to the outside of the air outlet 12 through the airflow channel 31 after passing through the atomizing chamber 27 for use by a user.

In one implementation of this embodiment, the atomizing assembly 2 further includes a mounting seat 21 abutting against one end of the partition 5 away from the air outlet 12, a cover 22 fixed to one side of the mounting seat 21 away from the liquid storage cavity 11, and an electrode 25 fixed to the cover 22; the atomizing core is fixed on the mounting seat 21 and is electrically connected with the electrode 25; a liquid-guiding base material 23 and a heating element 24 fixed to the mounting base 21, respectively, and an electrode 25 connected to the heating element 24 and fixed to the cover 22; the outer peripheral side of the mounting seat 21 and the outer peripheral side of the cover 22 are abutted and fixed with the inner wall of the shell 1; the mounting seat 21 is provided with a liquid inlet channel 26, one end of the liquid inlet channel 26 is communicated with the liquid storage cavity 11, and the other end is connected with the atomizing core; one side of the atomizing core is enclosed with the cover 22 to define an atomizing chamber 27, and the other side is connected with the liquid guide substrate 23; the atomizing chamber 27 communicates with the air flow channel 31.

Specifically, the atomizing core includes heating element 24 and drain substrate 23, and heating element 24 is including being fixed in the heating portion of mount pad 21 and being connected in the electrode portion of heating portion, has seted up two mounting holes on the lid 22, and the positive and negative pole of electrode 25 can pass respectively corresponding mounting hole and electrode portion connection. The cover body 22 and the shell 1 can be fixed in a clamping manner, an annular groove for installing a sealing ring can be formed in the peripheral side of the cover body 22, and the cover body 22 and the shell 1 can be further sealed and fixed through the sealing ring. When the electronic atomizer works, atomized liquid stored in the liquid storage cavity 11 enters the liquid guide substrate 23 through the liquid inlet channel 26, the heating part heats the atomized liquid on the liquid guide substrate 23 to atomize the atomized liquid to form aerosol molecules, and the aerosol molecules are transmitted to the outside of the air outlet 12 through the air flow channel 31 after passing through the atomizing chamber 27 for use by a user.

In the present embodiment, the mount 21 includes a main body 211 abutting against the cover 22, and a seal 212 abutting against one end of the main body 211 facing away from the cover 22; one end of the sealing portion 212 facing away from the main body portion 211 abuts against the spacer 5; the sealing portion 212 is provided with a second mounting cavity, and one end, far away from the air outlet 12, of the air passage piece 3 is inserted into the second mounting cavity to be fixedly connected with the sealing portion of the mounting seat 21. The liquid inlet channel 26 includes a first liquid inlet channel formed in the sealing portion 212, and a second liquid inlet channel formed in the main body 211 and communicated with the first liquid inlet channel, and one end of the second liquid inlet channel away from the first liquid inlet channel is connected with the liquid guiding substrate 23. The quantity of second feed liquor passageway equals with the quantity of first feed liquor passageway, and first feed liquor passageway can set up one or more, and is preferably two for the feed liquor is more even, and atomization effect is good.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An electronic atomizer, comprising: the device comprises a shell with a liquid storage cavity, an atomization assembly fixed at one end of the liquid storage cavity, an air passage piece which is made of a material with high heat conduction performance and is positioned in the liquid storage cavity, and a heat preservation structure arranged on the outer peripheral side of the air passage piece;

the shell is provided with an air outlet, and an air flow channel communicated with the air outlet and the atomization assembly is formed in the air passage; the thermal conductivity of the material with high thermal conductivity is more than or equal to 10W/m.K.

2. The electronic atomizer according to claim 1, wherein said material of high thermal conductivity is a metallic material or a non-metallic material.

3. The electronic atomizer of claim 2 wherein said metallic material is one of copper, steel, aluminum, and alloys; the nonmetallic material is an aluminide ceramic material.

4. The electronic atomizer according to claim 1, wherein said insulating structure comprises an insulating layer having a thermal conductivity of 0.05 to 0.15W/m-K.

5. The electronic atomizer of claim 4 wherein said insulating layer is a ceramic coating.

6. The electronic atomizer of claim 5 wherein said ceramic coating is an aqueous insulating material.

7. The electronic atomizer according to claim 4, wherein said insulating structure further comprises a spacer having a first mounting cavity disposed therein in communication with said air outlet; one end of the separator, which is far away from the air outlet, is abutted against the atomization assembly; the inner wall of the first installation cavity and the air passage piece enclose to form an atmosphere heat-insulating layer.

8. The electronic atomizer of claim 7, wherein said atmosphere thermal insulation layer has a thermal conductivity of less than or equal to 0.5W/m-K, and/or said thermal insulation structure further comprises a filler layer disposed within said atmosphere thermal insulation layer.

9. The electronic atomizer of claim 8 wherein said filler layer is one of mineral wool, glass wool, thermal barrier film, foam.

10. The electronic atomizer of claim 9 wherein said foam is one of EPS foam, PUR/PIR foam, PE foam.

11. The electronic atomizer of claim 8 wherein a gap is provided between a side of said fill layer facing away from said air passage member and said first mounting cavity.

12. The electronic atomizer of claim 7 wherein said atomizing assembly includes an atomizing core defining an atomizing chamber in communication with said air flow channel.

13. The electronic atomizer according to claim 12, wherein the atomizing assembly further comprises a mounting seat abutting against an end of the separator remote from the air outlet, a cover fixed to a side of the mounting seat remote from the liquid storage chamber, and an electrode fixed to the cover;

one side of the atomizing core is enclosed with the cover body to define the atomizing chamber.