Atomizer and atomization core thereof

Abstract

To provide an atomizer and an atomization core thereof.SOLUTION: An atomization core includes a liquid guiding body 11 and a heating element 12. The liquid guiding body is provided with an air flow hole penetrating in a vertical direction. The liquid guiding body is further provided with at least one liquid storage groove. The liquid storage groove is provided in the outer periphery of the air flow hole. The liquid storage groove includes at least one first sub liquid storage groove 1121 and at least one second sub liquid storage groove 1122. The first sub liquid storage groove is communicated with the second sub liquid storage groove. An atomization surface A is formed on a wall surface where the air flow hole faces the second sub liquid storage groove, and the atomization surface is provided with the heating element. The air flow hole is provided at a central position of the liquid guiding body close to an air supply port of an atomizer. By this arrangement, a flow route of aerosol is shortened and the situation that a smoking feeling is adversely affected by the decrease in the temperature hardly occurs. Also, condensation of the aerosol by the decrease in the temperature in the flow process can be effectively avoided so that the situation that generated condensed liquid is inhaled by a consumer can be avoided.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to the technical field of atomization, and in particular to an atomization device and its atomization core. [Background technology]

[0002] Electronic atomizers are devices that use electricity to heat liquid, bringing it to its boiling point and turning it into vapor. They are currently widely used in e-cigarettes and in cosmetic medicine.

[0003] The electronic atomizer includes an atomizer. The atomizer has an atomization core. As shown in FIG. 1, the atomization core generally includes a liquid guiding member 100 and a heating element 200, which are assembled together. Among them, porous ceramic-based hard liquid guiding materials are widely used because they are easy to assemble. The liquid guiding member 100 generally has a block structure, and liquid is generally supplied from the side (parts indicated by reference numerals 101 and 102), and a heating element 200 is provided on the bottom (atomization surface) to heat the liquid to be atomized.

[0004] The aerosol formed by atomization through heating is discharged from the atomizer through the circumferential side of the liquid-guiding device 100 and inhaled by the consumer. In this case, the flow path of the aerosol becomes longer, and the temperature drops during the flow process, changing the inhalation feeling, and some of the aerosol may even condense. This not only worsens the consistency of the inhalation feeling during atomization, but also inhaling the condensed liquid is bad for the body. In addition, the vertically arranged liquid-guiding device 100 supplies liquid from the side, which is problematic in that liquid leakage is likely to occur. Summary of the Invention [Problem to be solved by the invention]

[0005] The technical problem to be solved by the present invention is to provide an atomizing device and an atomizing core thereof. [Means for solving the problem]

[0006] The technical solutions adopted in the present invention to solve the technical problems are as follows:

[0007] That is, it constitutes an atomization core. The atomization core includes a liquid guiding member and a heating element. The liquid guiding member has an air flow hole that penetrates vertically. The liquid guiding member further has at least one liquid storage groove. The liquid storage groove is provided on the outer periphery of the air flow hole. The liquid storage groove includes at least one first sub-liquid storage groove and at least one second sub-liquid storage groove. The first sub-liquid storage groove and the second sub-liquid storage groove are connected to each other.

[0008] An atomization surface is formed on a wall surface where the air flow hole and the second sub-liquid collecting groove face each other, and the heating element is provided on the atomization surface.

[0009] In some embodiments, the depth of the first sub-reservoir groove is less than the depth of the second sub-reservoir groove, and the width of the vertical cross section of the first sub-reservoir groove is equal to the width of the vertical cross section of the second sub-reservoir groove.

[0010] In some embodiments, the depth of the first sub-reservoir groove is smaller than the depth of the second sub-reservoir groove, and the width of the vertical cross section of the first sub-reservoir groove is larger than the width of the vertical cross section of the second sub-reservoir groove.

[0011] In some embodiments, the liquid collection groove includes two first sub-storage grooves and one second sub-storage groove, and both ends of the second sub-storage groove are connected to and communicate with the two first sub-storage grooves, respectively.

[0012] In some embodiments, the number of said liquid collection grooves is at least 2. The at least two liquid collection grooves are spaced apart around the circumference of the airflow hole.

[0013] In some embodiments, a wall surface between the air flow hole and the second sub-liquid storage groove is an arcuate surface or a flat surface.

[0014] In some embodiments, the heating element includes a heating portion and at least two electrode portions connected to the heating portion, the heating portion is attached or embedded in the atomizing surface, and ends of the at least two electrode portions are attached or embedded in the liquid guiding portion.

[0015] In some embodiments, the bottom of the liquid guiding member further comprises a receiving groove.

[0016] In some embodiments, the width of the receiving groove is 0.1 to 0.8 mm.

[0017] In some embodiments, the cross section of the receiving groove has a C-shaped structure, a U-shaped structure, or a straight line structure.

[0018] In certain embodiments, the liquid-guiding material is at least one of a porous ceramic, a metal foam, or a porous glass.

[0019] The present invention further comprises an atomizing device including an atomizing core as described in any of the above embodiments. Effect of the Invention

[0020] The present invention has the following beneficial effects. That is, the atomizing core includes a liquid-guiding member and a heating element. The liquid-guiding member has an airflow hole penetrating the center in the vertical direction. The liquid-guiding member further has at least one liquid-storage groove. The liquid-storage groove is provided on the outer periphery of the airflow hole. The liquid-storage groove includes at least one first sub-liquid-storage groove and at least one second sub-liquid-storage groove. The first sub-liquid-storage groove and the second sub-liquid-storage groove are connected to each other. An atomizing surface is formed on the wall surface where the airflow hole and the second sub-liquid-storage groove face each other, and a heating element is provided on the atomizing surface. The airflow hole is provided at the center of the liquid-guiding member close to the air outlet of the atomizing device. The flow path of the aerosol generated by the atomizing core is short, so that the temperature drop is less likely to affect the smoking experience, and the smoking experience is closer to the original taste of the liquid for atomization. In addition, since the condensation of the aerosol caused by the temperature drop during the flow process can be effectively avoided, the condensed liquid generated can be prevented from flowing together with the aerosol and being inhaled by the consumer. In addition, since the condensed liquid can be prevented from damaging the atomizing device, the service life of the atomizing device can be effectively extended. In addition, since the liquid is supplied from the top, liquid leakage or spillage is less likely to occur compared to when the liquid is supplied from the side.

[0021] In order to more clearly explain the technical solution of the present invention, the present invention will be further described below in combination with drawings and embodiments. It should be understood that the following drawings only illustrate some embodiments of the present invention, and should not be considered as limiting the scope. Those skilled in the art can also obtain other related drawings from these drawings without requiring creative labor. [Brief description of the drawings]

[0022] [Figure 1] FIG. 1 is a schematic structural diagram of an atomizing core in the related art. [Diagram 2] FIG. 2 is a schematic structural diagram of an atomizing core in some embodiments of the present invention. [Diagram 3] FIG. 3 is an exploded view of an atomizing core in some embodiments of the present invention. [Figure 4] FIG. 4 is a partial cross-sectional view of an atomizing core according to some embodiments of the present invention. [Diagram 5] FIG. 5 is a schematic structural diagram of an atomizing core according to some other embodiments of the present invention. [Figure 6] FIG. 6 is an exploded view of an atomizing core according to some alternative embodiments of the present invention. [Figure 7] FIG. 7 is a partial cross-sectional view of an atomizing core according to some alternative embodiments of the present invention. [Figure 8] FIG. 8 is a schematic structural diagram of a nebulizer according to some other embodiments of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] In order to make the technical features, objectives and effects of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "ceiling", "bottom", "inside", "outside", "top", "tail" and the like are directions or positional relationships based on the drawings, and the configuration and operation of a specific direction are merely for the convenience of describing the technical solution, and do not indicate that the indicated device or component must have a specific direction. Therefore, they should not be interpreted as limiting the present invention.

[0024] It should be further explained that unless otherwise clearly specified and limited, the terms "attach", "connect", "connect", "fix", "install" and the like should be interpreted broadly. For example, it may be a fixed connection, a removable connection, or an integral connection. It may be a mechanical connection or an electrical connection. It may be a direct connection, an indirect connection through an intermediate medium, an internal connection between two components, or an interaction between two components. In addition, when a component is referred to as being "on" or "under" another component, the component may be "directly" or "indirectly" located on the other component, and there may be one or more intermediate components. In addition, the terms "first", "second", "third", and the like are merely for the convenience of describing the technical solution, and should not be interpreted as expressing or implying a relative importance or the number of technical features to be pointed out. Thus, when a feature is qualified as "first," "second," "third," etc., it may explicitly or implicitly include one or more of the features. A person skilled in the art can interpret the specific meaning of the above terms in the present invention according to the specific circumstances.

[0025] In the following description, for purposes of explanation and not limitation, specific details are presented, such as particular systems, structures, techniques, etc., to provide a thorough understanding of embodiments of the present invention. However, it will be apparent to one skilled in the art that the present invention can be practiced in other embodiments that do not include these specific details. In other circumstances, detailed descriptions of well-known systems, devices, electrical circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary details.

[0026] Referring to Fig. 1, the present invention provides an atomizing core 10. The atomizing core 10 includes a liquid guiding member 11 and a heating element 12. The liquid guiding member 11 is provided with an airflow hole 111 that penetrates the liquid guiding member 11 in the vertical direction. The liquid guiding member 11 is further provided with at least one liquid storage groove 112. The liquid storage groove 112 is provided on the outer periphery of the airflow hole 111. The liquid storage groove 112 includes at least one first sub-liquid storage groove 1121 and at least one second sub-liquid storage groove 1122. The first sub-liquid storage groove 1121 and the second sub-liquid storage groove 1122 are in communication with each other.

[0027] An atomization surface A is formed on the wall surface where the air flow hole 111 and the second sub liquid storage groove 1122 face each other, and a heating element 12 is provided on the atomization surface A.

[0028] As can be seen, the air flow hole 111 is provided at the center of the liquid-guide 11 close to the air outlet of the atomizing device. Since the flow path of the aerosol generated by the atomizing core 10 is short, the temperature drop is unlikely to affect the smoking experience, and the smoking experience is closer to the original taste of the atomizing liquid. In addition, the condensation of the aerosol caused by the temperature drop during the flow process can be effectively prevented, so that the condensed liquid generated can be prevented from flowing together with the aerosol and being inhaled by the consumer. In addition, the condensed liquid can be prevented from damaging the atomizing device or the power supply device, so that the service life of the atomizing device can be effectively extended.

[0029] The heating element 12 is mainly provided on the wall surface where the airflow hole 111 and the second sub-liquid-storage groove 1122 face each other. The heating element 12 mainly heats and atomizes the liquid for atomization in the second sub-liquid-storage groove 1122. The liquid for atomization in the liquid storage chamber of the atomization device first passes through the first sub-liquid-storage groove 1121 and then can enter the second sub-liquid-storage groove 1122. When the liquid for atomization in the second sub-liquid-storage groove 1122 is consumed, the liquid for atomization in the first sub-liquid-storage groove 1121 is replenished in the second sub-liquid-storage groove 1122. This makes the liquid supply smooth and makes it difficult for liquid leakage or seepage to occur.

[0030] Specifically, the liquid guiding member 11 has a substantially hexahedral structure and has an upper surface and a lower surface that are provided opposite to each other. The liquid storage groove 112 is a non-through groove structure that is recessed from the upper surface to the lower surface.

[0031] 4 or 7, the depth of the first sub-liquid-storage groove 1121 is smaller than the depth of the second sub-liquid-storage groove 1122. The width of the vertical cross section of the first sub-liquid-storage groove 1121 is equal to the width of the vertical cross section of the second sub-liquid-storage groove 1122.

[0032] In some embodiments, the depth of the first sub-reservoir groove 1121 is smaller than the depth of the second sub-reservoir groove 1122. And the width of the vertical cross section of the first sub-reservoir groove 1121 is larger than the width of the vertical cross section of the second sub-reservoir groove 1122.

[0033] 2 and 3, in some embodiments, the number of liquid collection grooves 112 is at least two. The at least two liquid collection grooves 112 are provided around the circumference of the airflow hole 111 with a space therebetween.

[0034] In some embodiments, as shown in Figs. 5 and 6, the liquid storage groove 112 is provided on the outer periphery of the airflow hole 111. The liquid storage groove 112 may have a substantially C-shaped or U-shaped structure. The liquid storage groove 112 may include two first sub-liquid storage grooves 1121 and one second sub-liquid storage groove 1122. Both ends of the second sub-liquid storage groove 1122 are connected to and communicate with the two first sub-liquid storage grooves 1121, respectively. The atomization liquid first passes through the two first sub-liquid storage grooves 1121 and then can be introduced into the second sub-liquid storage groove 1122.

[0035] In some embodiments, the wall surface between the airflow hole 111 and the second sub-liquid storage groove 1122 is an arc surface or a plane surface. That is, the atomization surface A may be an arc surface structure (as shown in FIG. 3) or a plane structure (as shown in FIG. 6).

[0036] In some embodiments, the bottom of the liquid guiding member 11 is further provided with a receiving groove 113. The width of the receiving groove 113 is 0.1-0.8 mm. Preferably, the cross section of the receiving groove 113 has a C-shaped structure, a U-shaped structure or a straight line structure. The structure and size of the receiving groove 113 can be selected and installed according to actual needs, and are not specifically limited herein.

[0037] Specifically, the storage groove 113 avoids the liquid storage groove 112 so as to avoid direct communication with the liquid storage groove 112. The storage groove 113 may be installed so that its opening faces downward. The groove width of the storage groove 113 may be 0.1 to 0.8 mm, and may be selected from, for example, 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, and 0.8 mm. The groove depth of the storage groove 113 may be 0.5 to 2 mm, and may be, for example, 0.5 mm, 1 mm, 1.5 mm, and 2 mm.

[0038] As can be understood, in some special environments, for example, when the outside air pressure is low, the air pressure inside the atomizing device becomes higher than the outside air pressure, and a pressure difference exists between them. Then, the gas inside the atomizing device expands, and a part of the atomization liquid in the liquid-guiding device 11 may be pushed out of the liquid-guiding device 11. In response to this, the internal space of the accommodating groove 113 can form an accommodating space for accommodating the part of the atomization liquid. In addition, since the groove width of the accommodating groove 113 is relatively narrow, the atomization liquid can be located in the accommodating groove 113 by the capillary tension without leaking out of the liquid-guiding device 11. This can provide a good liquid leakage and liquid leakage prevention effect.

[0039] In some embodiments, the heating element 12 includes a heating portion 121 and at least two electrode portions 122 connected to the heating portion 121. The heating portion 121 is attached or embedded on the atomization surface A, and the ends of the at least two electrode portions 122 are attached or embedded in the liquid guide 11. Preferably, the heating element 12 has a planar structure. The planar structure is relatively flat and difficult to deform, and is easier to be combined with and processed by the liquid guide 11. In addition, when the ends of the electrode portions 122 are embedded in the bottom of the liquid guide 11, it is possible to avoid unstable contact of the circuit caused by factors such as pulling of the electrode portions 122, and the stability of the operation of the atomizer is improved.

[0040] In some embodiments, the liquid guide 11 is at least one of a porous ceramic, a metal foam, or a porous glass. Specifically, the liquid guide 11 may be made of a porous ceramic. As can be appreciated, the material of the liquid guide 11 may be a porous material with a capillary effect due to micropores, such as a metal foam, a porous glass, or a rigid glass fiber pipe.

[0041] The heating element 12 generates an aerosol that can be directly inhaled by the user by heating the liquid for atomization stored in the second sub-liquid storage groove 1122 after being energized. The heating unit 121 may be a sheet-shaped heating mesh. The heating unit 121 is attached and fixed to the atomization surface A. The heating unit 121 may be a heating wire that can be folded to form a tray shape, or a lattice-shaped heating sheet. The heating unit 121 may be sintered to form an integral structure with the liquid guiding 11 and attached to the atomization surface A. In some embodiments, the heating unit 121 may further be a heating circuit, a heating track, a heating coating layer, a heating film, or the like formed on the atomization surface A. The structure and shape of the heating unit 121 may be diversified and may be selected as necessary. The heating mesh, heating wire, heating sheet, heating circuit, heating track, heating coating layer, heating film, or the like is provided corresponding to the second sub-liquid storage groove 1122. This makes the distance between the second sub liquid storage groove 1122 and the heat generating part 121 the shortest, so that the liquid to be atomized, such as tobacco liquid, quickly reaches the heat generating part 121 and is atomized. Moreover, the electrode part 122 may have a sheet-like structure, or a columnar or rod-like structure.

[0042] Preferably, the material of the heating element 12 may be a metal material, a metal alloy, graphite, carbon, a conductive ceramic, or a composite material of other ceramic materials and a metal material having a suitable impedance. The metal or alloy material having a suitable impedance includes at least one of nickel, cobalt, zirconium, titanium, a nickel alloy, a cobalt alloy, a zirconium alloy, a titanium alloy, a nickel chromium alloy, a nickel iron alloy, an iron chromium alloy, an iron chromium aluminum alloy, a titanium alloy, an iron manganese aluminum alloy, or a stainless steel, etc.

[0043] With reference to FIG. 8, the present invention further discloses an atomizing device applicable to electronic cigarettes. The atomizing device may include an atomizing core 10. The atomizing case 20 and the mounting unit 30 may further include the atomizing core 10 and the mounting unit 30. The atomizing core 10 is mounted in the mounting unit 30 and is mounted in the atomizing case 20 together. The atomizing case 20 may be provided with an air guide path and a liquid storage space (liquid storage chamber). The liquid for atomization in the liquid storage chamber is introduced into the liquid storage groove 112 of the liquid guide 11 through the liquid guide path provided in the mounting unit 30. The air guide path is also connected to the air flow hole 111. The aerosol generated by the atomizing core 10 is led out of the atomizing device through the air guide path and provided to the consumer.

[0044] It is understood that the above examples only show the preferred embodiments of the present invention, and the description is relatively specific and detailed, but this should not be interpreted as limiting the scope of the present invention. It should be noted that those skilled in the art can freely combine the above technical features and make some modifications and improvements without departing from the concept of the present invention, all of which are within the scope of protection of the present invention. Therefore, any equivalent modifications and supplements made within the scope of the claims of the present invention shall be included in the scope covered by the claims of the present invention.

Claims

1. The device includes a liquid guiding element (11) and a heating element (12), the liquid guiding element (11) is provided with an air flow hole (111) penetrating in the vertical direction, the liquid guiding element (11) further includes at least one liquid storage groove (112), the liquid storage groove (112) is provided on the outer periphery of the air flow hole (111), the liquid storage groove (112) includes at least one first sub-liquid storage groove (1121) and at least one second sub-liquid storage groove (1122), the first sub-liquid storage groove (1121) and the second sub-liquid storage groove (1122) are connected to each other, The atomization core (10) is characterized in that an atomization surface (A) is formed on the wall surface where the air flow hole (111) and the second sub-liquid storage groove (1122) face each other, and the heating element (12) is provided on the atomization surface (A).

2. The atomizing core (10) according to claim 1, characterized in that the depth of the first sub-liquid storage groove (1121) is smaller than the depth of the second sub-liquid storage groove (1122), and the width of the vertical cross-section of the first sub-liquid storage groove (1121) is equal to the width of the vertical cross-section of the second sub-liquid storage groove (1122).

3. The atomizing core (10) according to claim 1, characterized in that the depth of the first sub-liquid storage groove (1121) is smaller than the depth of the second sub-liquid storage groove (1122), and the width of the vertical cross-section of the first sub-liquid storage groove (1121) is larger than the width of the vertical cross-section of the second sub-liquid storage groove (1122).

4. The atomizing core (10) according to claim 1, characterized in that the liquid storage groove (112) includes two first sub-storage grooves (1121) and one second sub-storage groove (1122), and both ends of the second sub-storage groove (1122) are connected and communicated with the two first sub-storage grooves (1121), respectively.

5. The atomizing core (10) according to claim 1, characterized in that the number of the liquid storage grooves (112) is at least two, and the at least two liquid storage grooves (112) are spaced apart on the outer periphery of the air flow hole (111).

6. The atomizing core (10) according to claim 1, wherein a wall surface between the air flow hole (111) and the second sub-liquid storage groove (1122) facing each other is an arc surface or a flat surface.

7. The atomization core (10) according to claim 1, characterized in that the heating element (12) includes a heating portion (121) and at least two electrode portions (122) connected to the heating portion (121), the heating portion (121) is affixed or embedded to the atomization surface (A), and ends of the at least two electrode portions (122) are affixed or embedded to the liquid-guiding portion (11).

8. The atomizing core (10) according to claim 1, characterized in that a receiving groove (113) is further provided at the bottom of the liquid guiding member (11).

9. The atomizing core (10) according to claim 8, characterized in that the width of the receiving groove (113) is 0.1 to 0.8 mm.

10. The atomizing core (10) according to claim 8, characterized in that the cross section of the receiving groove (113) has a C-shaped structure, a U-shaped structure or a straight-line structure.

11. 2. The atomizing core (10) of claim 1, wherein the liquid-guiding member (11) is at least one of a porous ceramic, a metal foam, or a porous glass.

12. An atomization device comprising an atomization core (10) according to any one of claims 1 to 11.

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