Electronic atomization device

Abstract

The embodiment of the invention provides an electronic atomization device. The electronic atomization device comprises an atomizer and a battery rod assembly assembled at one end of the atomizer. The atomizer comprises an oil cup, an oil guide body arranged in the oil cup and a heat conduction piece covering the end of the oil cup, the heat conduction piece is convexly provided with a main body part making contact with the oil guide body towards the inner side of the oil cup, and a heating space is formed in the side, away from the oil guide body, of the main body part. The battery rod assembly comprises a heating structure corresponding to the heating space; the electronic atomization device is further provided with an airflow channel, and at least part, making contact with the main body part, of the oil guide body is located in the airflow channel. According to the embodiment of the invention, the heating structure can directly or indirectly heat the part, defining the heating space, of the heat conduction piece, heat is transferred to the atomized liquid on the oil guide body to be heated and atomized, direct contact between the oil guide body and the heating structure can be avoided, the phenomenon that the heating structure burns the oil guide body in a dry mode is prevented, and the service life of the oil guide body is prolonged. And the service life of the heating structure is prolonged.

Description

Technical Field

[0001] The present invention belongs to the technical field of electronic atomization, and in particular relates to an electronic atomization device. Background Art

[0002] The electronic atomization device includes an atomizer and a battery rod assembly, wherein the heating element of the atomizer is connected to the electrode, so that the heating element can heat the atomized liquid in the oil guide body. In the related art, the heating element is usually directly connected to a porous material such as oil-conducting cotton, and if the atomized liquid is insufficiently supplied, it is easy to cause the oil-conducting cotton to dry burn and burn, resulting in a poor user experience. In addition, in the above structure, there are many structural components inside the atomizer, which is inconvenient to assemble, and the electrode is prone to assembly gaps in the atomizer and occupies space inside the atomizer, making the atomizer prone to leakage. The heating element structure is in contact with the atomized liquid, which has a short service life. When the external dimensions of the atomizer are constant, the internal effective liquid storage space is small. Summary of the invention

[0003] The technical purpose of the present invention is to provide an electronic atomization device, aiming to solve at least some of the problems existing in the related art.

[0004] In order to solve the above technical problems, the present invention is implemented as follows: an electronic atomization device is provided, comprising: an atomizer, and a battery rod assembly detachably assembled on one end of the atomizer; the atomizer comprises an oil cup, an oil conducting body arranged in the oil cup, and a heat conducting member covering the open end of the oil cup, and the battery rod assembly is arranged on the side of the heat conducting member away from the oil cup; the heat conducting member is provided with a main body portion protruding toward the inner side of the oil cup and contacting the oil conducting body, and a heating space is provided on the side of the main body portion away from the oil conducting body; the battery rod assembly comprises a heating structure arranged corresponding to the heating space; the electronic atomization device is also provided with an air flow channel, and the contact portion between the oil conducting body and the main body portion is located in the air flow channel.

[0005] Furthermore, the heat-conducting component includes an end cover portion and a side surrounding portion connected to the outer peripheral edge of the end cover portion, the side surrounding portion is sleeved on the outer periphery of the open end of the oil cup, and the end cover portion is against the end of the open end of the oil cup; the main body portion is a convex structure on the end cover portion that is concave on the outer side and convex on the inner side, wherein the outer concave part forms the heating space, and the inner convex end portion forms a heat-conducting surface that is in contact with the oil-conducting body; the airflow channel includes an atomization channel arranged on the side of the oil-conducting body that is away from the heat-conducting surface.

[0006] Furthermore, the oil-conducting body includes a liquid-conducting part and an atomizing part, the liquid-conducting part is connected to the atomizing part; an oil storage tank is also provided in the oil cup, the liquid-conducting part is connected to the oil storage tank, the atomizing part is attached to the heat-conducting surface, and the atomizing channel is provided on the side of the atomizing part away from the heat-conducting surface.

[0007] Furthermore, the liquid guiding portion is arranged around the outer circumference of the atomizing portion, and in a direction perpendicular to the heat conducting surface, the thickness of the liquid guiding portion is greater than the thickness of the atomizing portion.

[0008] Furthermore, the air flow channel also includes a plurality of atomization through holes arranged on the atomization portion, each of the atomization through holes extends in a direction perpendicular to the heat conduction surface and is connected to the atomization channel.

[0009] Furthermore, a conduit is provided in the oil cup, and the oil storage tank is defined between the outer wall of the conduit and the inner wall of the oil cup. The air flow channel also includes an air outlet channel provided in the conduit and connected to one end of the atomization channel, and an air inlet hole provided in the atomizer and connected to the outside and the other end of the atomization channel.

[0010] Further, the air inlet hole is arranged on the end cover portion and / or the main body portion and is connected to the heating space; and / or, the air inlet hole is arranged in the oil cup.

[0011] Furthermore, the atomizer also includes a first seal and a second seal, the first seal is in sealing contact with the inner wall of the oil cup; the first seal is provided with a first clearance hole that cooperates with the end of the conduit; the oil guide body is clamped between the first seal and the second seal, the first seal is also provided with a liquid inlet connected to the oil storage tank, and the liquid guide part is at least partially located at the liquid inlet; the second seal is provided with a second clearance hole connected to the first clearance hole; the main body is located in the second clearance hole and in close contact with the atomization part.

[0012] Furthermore, the air flow channel also includes an air inlet channel connecting the air inlet hole and the atomization channel, and the outer side of the main body and the inner side of the second sealing member are spaced apart to form the air inlet channel.

[0013] Furthermore, the heating structure is a cylindrical spiral coil or a planar spiral coil.

[0014] Furthermore, the cylindrical spiral coil or the planar spiral coil is an electromagnetic induction coil; the electromagnetic induction coil is used to generate an alternating magnetic field so that at least the part of the oil conductor that is in contact with the heat conductor generates Joule heat, and / or the heating structure also includes an induction body arranged corresponding to the electromagnetic induction coil, and the electromagnetic induction coil is also used to cause the induction body to generate Joule heat.

[0015] Furthermore, the planar spiral coil is located on a side of the heat conductor away from the oil conductor, the middle of the planar spiral coil and the portion of the oil conductor that fits the heat conductor are arranged opposite to each other, and the pitch of the planar spiral coil gradually decreases from the outside to the center.

[0016] Compared with the related art, the electronic atomization device in the present invention has the following beneficial effects:

[0017] In the embodiment of the present application, the heat conducting member is an end cover of the oil cup that covers the open end of the oil cup; at the same time, the heat conducting member is recessed toward the inner side of the oil cup to form a main body, and at least one side of the main body has a heating space, wherein the heating structure is arranged corresponding to the heating space, and the heating structure heats the air through the main body, and the heated hot air can directly enter the oil conducting body to heat and atomize the atomized liquid on the oil conducting body by air convection, and can also heat the atomized liquid on the oil conducting body by heat conduction, thereby realizing a mixed heating method of air convection heating and heat conduction, so that the taste of the aerosol formed by the atomized liquid in the oil conducting body can be more evenly distributed, and the consistency of the aerosol taste can be maintained to a certain extent;

[0018] Secondly, since a heat conductor is arranged between the oil conducting body and the heating structure, that is, the heat conductor can separate the oil conducting body and the heating structure, direct contact between the oil conducting body and the heating structure can be avoided, thereby avoiding the phenomenon of dry burning of the oil conducting body by the heating structure, thereby improving the user experience.

[0019] Furthermore, the inventors of the present application have also discovered that by arranging the heat-conducting member at the end of the oil cup as an end cover, compared with the traditional structure in which the heating element is arranged in the oil cup and resistive heating is adopted, there is no need to arrange structures such as electrodes inside the atomizer, thereby simplifying the internal structure of the atomizer, which is conducive to solving the problems of leakage caused by poor sealing in the multi-component structure in the traditional structure, and small space inside the atomizer that can be used for liquid storage when the external structure size of the atomizer is certain. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 is a schematic diagram of the three-dimensional structure of the electronic atomization device in an embodiment of the present invention;

[0022] Figure 2It is a schematic diagram of the explosion structure of the electronic atomization device in Example 1 of the present application;

[0023] Figure 3 is a cross-sectional schematic diagram of the electronic atomization device in the first embodiment of the present invention;

[0024] Figure 4 yes Figure 4 A magnified view of detail A;

[0025] Figure 5 is a cross-sectional schematic diagram of the electronic atomization device in the second embodiment of the present invention;

[0026] Figure 6 yes Figure 5 A magnified view of detail A;

[0027] Figure 7 is a cross-sectional schematic diagram of the electronic atomization device in the third embodiment of the present invention;

[0028] Figure 8 yes Figure 7 A magnified view of detail A;

[0029] Fig. 9 It is a schematic diagram of the structure of the planar spiral coil and the heat conducting member in the second embodiment of the present invention.

[0030] Fig.10 Schematic diagram of the structure of the oil conducting body and the heat conducting member in the embodiment of the present invention.

[0031] In the accompanying drawings, each reference numeral represents:

[0032] 100, atomizer; 1, oil cup; 11, oil storage tank; 12, conduit; 2, oil guide body; 21, liquid guide part; 22, atomization part; 221, atomization through hole; 3, heat conduction member; 31, end cover part; 32, side surrounding part; 33, main body; 331, heating space; 332, heat conduction surface; 4, first sealing member; 41, liquid inlet; 5, second sealing member; 51, second clearance hole;

[0033] 200, battery rod assembly; 10, heating structure; 101, coil; 102, inductor; 20, battery bracket; 201, partition; 30, circuit board; 40, battery;

[0034] 1A, atomization channel; 2A, air outlet channel; 3A, air inlet hole; 4A, air inlet channel. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0038] See also Figure 1-10 The present invention provides an electronic atomization device, comprising an atomizer 100, and a battery rod assembly 200 detachably assembled on one end of the atomizer 100; the atomizer 100 comprises an oil cup 1, an oil guide body 2 and a heat conductor 3, wherein the oil guide body 2 is arranged in the oil cup 1, the heat conductor 3 is covered at the open end of the oil cup 1, and the battery rod assembly 200 is connected to the open end of the oil cup 1 and is arranged on the side of the heat conductor 3 away from the oil cup 1; the heat conductor 3 is provided with a main body 33 protruding toward the inner side of the oil cup 1 and in contact with the oil guide body 2, and a heating space 331 is provided on the side of the main body 33 away from the oil guide body 2; the battery rod assembly 200 comprises a heating structure 10 arranged corresponding to the heating space 331, and the oil guide body 2 is attached to the side of the heat conductor 3 away from the heating structure 10; the electronic atomization device is also provided with an air flow channel, and the part of the oil guide body 2 in contact with the heat conductor 3 is located in the air flow channel.

[0039] In the embodiment of the present application, the heat conducting member 3 serves as the end cover of the oil cup 1 to cover the end of the oil cup 1, and the heating structure 10 can directly or indirectly heat the main body 33 of the heat conducting member 3 in the heating space 331, and transfer at least part of the heat to the oil conducting body 2 through the main body 33, so as to heat the atomized liquid on the atomized oil conducting body 2 and form an aerosol in the air flow channel. Among them, the heating structure 10 can heat the air through the main body 33, or directly heat the air, and the heated hot air can directly enter the oil conducting body 2 to heat and atomize the atomized liquid on the oil conducting body 2 by air convection, and can also heat the atomized liquid on the oil conducting body 2 by heat conduction, so as to realize a mixed heating method of air convection heating and heat conduction, so that the taste of the aerosol formed by the atomized liquid in the oil conducting body 2 can be distributed more evenly, and the consistency of the aerosol taste can be maintained to a certain extent.

[0040] Secondly, since a heat conductor 3 is provided between the oil conducting body 2 and the heating structure 10, that is, the heat conductor 3 can separate the oil conducting body 2 and the heating structure 10, thereby avoiding direct contact between the oil conducting body 2 and the heating structure 10, and further avoiding the phenomenon of dry burning of the oil conducting body 2 by the heating structure 10, thereby improving the user experience, reducing the corrosion effect of the atomized liquid on the heating structure 10, and increasing the service life of the heating structure 10.

[0041] Furthermore, the inventors of the present application have also discovered that by arranging the heat-conducting member 3 at the end of the oil cup 1 as an end cover, compared with the traditional structure in which the heating element is arranged in the oil cup 1 and resistive heating is adopted, it is not necessary to arrange structures such as electrodes inside the atomizer 100, thereby simplifying the internal structure of the atomizer 100, and helping to solve the problems of leakage caused by poor sealing in the multi-component structure of the traditional structure, and small space inside the atomizer 100 that can be used as a liquid storage when the external structure size of the atomizer 100 is constant.

[0042] It should be understood that the heating structure 10 is a part of the battery rod assembly 200, and the heating structure 10 itself should have a certain structural strength, wherein the heating structure 10 can be fixed in the battery rod assembly 200 through electrode pins, and can also be connected to the battery rod assembly 200 through other structural parts, and the present application does not make specific limitations on this.

[0043] For further information, see Figure 2-8The heat-conducting member 3 includes an end cover portion 31 and a side surrounding portion 32 connected to the outer peripheral edge of the end cover portion 31, the side surrounding portion 32 is sleeved on the outer periphery of the open end of the oil cup 1, and the end cover portion 31 is against the end of the open end of the oil cup 1; the main body portion 33 is a convex structure on the end cover portion 31 that is concave on the outside and convex on the inside, wherein the outer concave portion forms a heating space 331, and the inner convex end portion forms a heat-conducting surface 332 that is in contact with the oil-conducting body 2, and the air flow channel includes an atomization channel 1A arranged on the side of the oil-conducting body 2 away from the heat-conducting surface 332.

[0044] Specifically, the heat conducting member 3 may be a metal cover, and its material may be copper, iron, gold or silver, etc., preferably iron, which has good thermal conductivity, is low in cost and easy to process and shape, and the heat conducting member 3 made of iron can still maintain a certain rigidity when its thickness is relatively thin, so that the heat conducting member 3 is not easy to deform, wherein the main body 33 may be formed by stamping the end cover 31 toward the oil guide body 2. In other embodiments, the heat conducting member 3 may also be other heat conducting materials, such as graphene, silicon carbide or ceramics.

[0045] For further information, see Figure 2-8 , the heat conducting surface 332 can be a plane, the oil conducting body 2 can be a layered structure, and the oil conducting body 2 also has a plane that fits and contacts the heat conducting surface 332. In this way, the heat conducting surface 332 and the oil conducting body 2 are two planes that fit and contact each other, so the heat transfer process between the heat conducting body 3 and the oil conducting body 2 can be faster, and the heating structure 10 can achieve uniform heating of the oil conducting body 2 through the heat conducting surface 332, so that the oil conducting body 2 can be evenly heated, so that the taste of the aerosol formed by the atomized liquid in the oil conducting body 2 can be more evenly distributed, and the consistency of the aerosol taste can be maintained to a certain extent.

[0046] For further information, see Figure 2-8 The thickness of the top side of the main body 33 may range from 0.05 mm to 0.1 mm, for example, it may be set to 0.05 mm, 0.055 mm, 0.06 mm, 0.007 mm, 0.075 mm, 0.08 mm, 0.085 mm or 0.1 mm, preferably 0.05 mm, which can make the top side of the main body 33 the thinnest on the premise of ensuring that the top side of the main body 33 has sufficient rigidity and is not easily deformed, thereby facilitating the heat generated in the heating space 331 to be more quickly conducted to the oil guide body 2. There is a certain gap between the main body 33 and the inner wall of the oil cup 1 (the gap may be filled by a first sealing member 4), thereby preventing the heat of the heating space 331 from being directly conducted to the outer shell of the oil cup 1 to heat up the oil cup 1 and affect the user's grip.

[0047] For further information, see Figure 2-8The oil guiding body 2 includes a liquid guiding part 21 and an atomizing part 22, the liquid guiding part 21 is connected to the atomizing part 22; an oil storage tank 11 is also provided in the oil cup 1, the liquid guiding part 21 is connected to the oil storage tank 11, the atomizing part 22 is attached to the heat conducting surface 332, and the atomizing channel 1A is provided on the side of the atomizing part 22 away from the heat conducting surface 332.

[0048] Specifically, the oil guide body 2 can be a porous oil guide cotton, and can be a plate-type layered structure. The liquid guide part 21 and the atomization part 22 are connected as a whole, which is convenient for molding, wherein the liquid guide part 21 is located on the peripheral side of the atomization part 22. Specifically, the liquid guide part 21 can be arranged around the outer periphery of the atomization part 22, and the atomized liquid in the oil storage tank 11 of the oil cup 1 flows to the atomization part 22 through the liquid guide part 21. The atomization part 22 is opposite to the main body 33 and is attached to the heat conduction surface 332, and the heating structure 10 is arranged opposite to the heating space 331 of the main body 33. The heating structure 10 located in the heating space 331 can transfer heat to the atomization part 22 through the heat conduction surface 332, so that the atomized liquid on the atomization part 22 is heated and atomized to form an aerosol.

[0049] In some embodiments, the oil-conducting body 2 and the heating structure 10 can both be made of porous ceramic materials, and the two can be integrally formed, so that the liquid-conducting portion 21 can absorb the atomized liquid in the oil storage tank 11, and conduct the atomized liquid to the atomizing portion 22 under capillary action; at the same time, ceramics have good thermal conductivity, so it can be ensured that the heat-conducting component 3 conducts heat to the atomizing portion 22.

[0050] In other embodiments, the liquid guiding portion 21 and the atomizing portion 22 may be separately provided, and the liquid guiding portion 21 and the atomizing portion 22 may be disassembled.

[0051] In some embodiments, the liquid guiding part 21 and the atomizing part 22 may also be made of different materials. For example, the atomizing part 22 is made of ceramic material, and the liquid guiding part 21 is made of cotton. The specific configuration can be based on actual needs.

[0052] In some embodiments, see Figure 2-8 , in the direction perpendicular to the heat conducting surface 332, the thickness of the liquid guiding portion 21 is greater than the thickness of the atomizing portion 22. That is, the atomizing portion 22 is thinner, which is conducive to the rapid temperature rise of the atomizing portion 22, thereby achieving the effect of rapid misting and generating aerosol; the liquid guiding portion 21 is thicker, which is conducive to increasing the amount of atomized liquid held by the liquid guiding portion 21, and also makes it easier for the atomized liquid held by the liquid guiding portion 21 to flow to the atomizing portion 22, thereby ensuring the liquid supply efficiency of the oil guiding body 2.

[0053] In some embodiments, the porosity of the atomization section 22 is smaller than the porosity of the liquid guiding section 21, so that the capillary force of the atomization section 22 is greater than the capillary force of the liquid guiding section 21, so that the atomization section 22 can better absorb the atomized liquid on the liquid guiding section 21. At the same time, the liquid storage volume of the liquid guiding section 21 can be increased to ensure that the atomization section 22 has sufficient atomized liquid, so that the heating process of the atomization section 22 has a large aerosol atomization amount.

[0054] In some embodiments, see Figure 2-8 The air flow channel also includes a plurality of atomizing through holes 221 disposed on the atomizing portion 22, each of which extends in a direction perpendicular to the heat conducting surface 332 and is connected to the atomizing channel 1A. Specifically, the atomizing through holes 221 may be circular holes, square holes, or holes of other shapes, and the atomizing through holes 221 may be evenly distributed or unevenly distributed, and the atomizing portion 22 is in a flat porous shape. By providing the atomizing through holes 221, the aerosol formation speed of the atomizing portion 22 may be increased, and the aerosol may enter the atomizing channel 1A more conveniently.

[0055] It can be understood that the projection of the atomizing through hole 221 in the direction perpendicular to the heat-conducting surface 332 can be located inside the heat-conducting surface 332 or outside the heat-conducting surface 332. For example, the projection of the atomizing through hole 221 in the direction perpendicular to the heat-conducting surface 332 is located on the periphery of the main body 33, that is, the atomizing through hole 221 is arranged on the atomizing part 22 directly opposite to the heat-conducting surface 332, or it can be staggered.

[0056] In some embodiments, see Figure 2-8 A conduit 12 is also provided in the oil cup 1, and the above-mentioned oil storage tank 11 is defined between the outer wall of the conduit 12 and the inner wall of the oil cup 1. The air flow channel also includes an outlet channel 2A provided in the conduit 12 and connected to one end of the atomization channel 1A, and an air inlet 3A provided in the atomizer 100 and connected to the outside and the other end of the atomization channel 1A.

[0057] In some specific embodiments, the air inlet 3A is provided on the end cover 31 and communicates with the heating space 331. Specifically, the air inlet 3A can be provided on the end cover 31 and communicate with the heating space 331. Of course, the air inlet 3A can also be provided on the main body 33 and communicate with the heating space 331.

[0058] It should be noted that the air inlet hole 3A may also be provided on both the main body portion 33 and the end cover portion 31 . In other embodiments, the air inlet hole 3A may also be provided on the side wall of the oil cup 1 .

[0059] Taking the air inlet 3A provided on the end cover 31 as an example, the number of the air inlet 3A is two, and the two air inlet holes 3A are symmetrically provided on the end cover 31 and spaced apart from the main body 33, and the air inlet 3A is connected with the atomizing through hole 221. Since the heat conducting member 3 covers the end of the oil cup 1, that is, the atomizer 100 is formed with an air flow channel from the bottom air inlet 3A, to the atomizing through hole 221, to the atomizing channel 1A, and finally to the outlet channel 2A. Among them, the air inlet 3A can be directly or indirectly connected to the heating space 331, so that the outside atmosphere is heated by the heating space 331 to form hot air, which can enter the atomizing channel 1A through the air inlet 3A, heat the atomized liquid on the atomizing part 22 to form an aerosol, and mix with the aerosol formed by the heat conducting member 3 after passing through the atomizing part 22 and heated to form an aerosol, and then flow to the atomizing channel 1A, and then flow out from the outlet channel 2A for the user to inhale.

[0060] It should be noted that the number of the air inlet holes 3A can be 1, 3, 4 or more, etc. The air inlet holes 3A can also be arranged on the main body 33 and penetrate the heat conducting surface 332 to communicate with the heating space 331. The size of the air inlet holes 3A can be the same as that of the atomizing through hole 221 or different.

[0061] In some embodiments, see Figure 2-8 The atomizer 100 further includes a first seal 4 and a second seal 5. The first seal 4 is in sealing contact with the inner wall of the oil cup 1. The first seal 4 is provided with a first clearance hole matched with the end of the conduit 12, and the end of the conduit 12 is embedded in the first clearance hole; the oil guide body 2 is clamped between the first seal 4 and the second seal 5. The first seal 4 is also provided with a liquid inlet 41 connected to the oil storage tank 11, and the liquid guide part 21 is at least partially located at the liquid inlet 41; the second seal 5 is provided with a second clearance hole 51, and the second clearance hole 51 is connected to the first clearance hole. The main body 33 is located in the second clearance hole 51 and the heat conduction surface 332 is exposed outside the second clearance hole 51 so that the atomization part 22 is in contact with the heat conduction surface 332.

[0062] In the embodiment of the present application, the first seal 4 is in sealing contact with the inner wall of the oil cup 1, and the first seal 4 is connected with the conduit 12 to close the open end of the oil cup 1, thereby preventing leakage of the atomized liquid in the oil storage tank 11 in the oil cup 1.

[0063] In some specific embodiments, the first sealing member 4 is further provided with a mounting groove on the side facing the second sealing member 5, which is respectively connected to the liquid inlet 41 and the first clearance hole, and the oil guiding body 2 and the second sealing member 5 are placed in the mounting groove, wherein the oil guiding body 2 is pressed into the mounting groove through the second sealing member 5. The first clearance hole is adapted to the cross-sectional shape of the conduit 12, and the mounting groove is adapted to the cross-sectional shape of the oil guiding body 2 and / or the second sealing member 5.

[0064] As an example, the cross-sectional shape of the conduit 12 can be an elliptical columnar structure, a rectangular columnar structure, a square columnar structure, a triangular columnar structure, etc., and a chamfered structure can be provided at each corner of the conduit 12; the conduit 12 is preferably a cylindrical structure, so that the airflow can flow more smoothly in the outlet channel 2A. The second sealing member 5 can be a cylindrical structure, a rectangular structure, a square columnar structure, a triangular columnar structure, etc. The oil guide body 2 can also be a cylindrical structure, a rectangular structure, a square columnar structure, a triangular columnar structure, etc.

[0065] In some specific embodiments, two liquid inlets 41 are symmetrically arranged at the connection between the top and the middle of the first seal 4, and the two liquid inlets 41 are both connected to the oil storage tank 11, and the liquid guide portion 21 is partially located in the liquid inlet 41 to cover the liquid inlet 41, so that the liquid guide portion 21 can absorb the atomized liquid in the oil storage tank 11. Since the thickness of the liquid guide portion 21 is greater than the thickness of the atomizing portion 22, it is beneficial for the liquid guide portion 21 to cover the liquid inlet 41. Of course, the number of liquid inlets 41 can also be one, three, four or more, etc. In some embodiments, the liquid inlet 41 can also be arranged between the first seal 4 and the second seal 5, so that the atomized liquid can flow from the oil storage tank to the liquid guide portion 21 of the oil guide body 2 clamped between the first seal 4 and the second seal 5.

[0066] In some embodiments, see Figure 2-10 , the air flow channel also includes an air flow channel 4A connecting the air inlet hole 3A and the atomizing channel 1A (atomizing through hole 221), and the outer peripheral side of the main body 33 and the inner peripheral side of the second sealing member 5 are arranged at intervals to form the air flow channel 4A. Specifically, the air flow channel 3A is arranged at the connecting portion 34 on the bottom side of the end cover portion 31 of the heat conducting member 3, and the main body 33 protrudes from the surface of the end cover portion 31 and faces the inner side of the oil cup 1; since the main body 33 of the heat conducting member 3 is arranged in the second clearance hole 51 of the second sealing member 5, there may be a certain gap between the outer peripheral side of the main body 33 and the hole wall of the second clearance hole 51, thereby forming the air flow channel 4A connecting the atomizing channel 1A, and the external gas may flow to the atomizing channel 1A through the air inlet hole 3A at the bottom and then through the air inlet channel 4A. With such an arrangement, the air flow channel of the atomizer 100 can be formed while the atomizer 100 is sealed. In other embodiments, the air inlet hole 3A can be set on the peripheral side of the end of the oil cup 1, and the air inlet channel 4A is set on the peripheral side of the first seal 4 to connect to the atomization channel 1A. Of course, the air inlet hole 3A can also be set on the peripheral side wall of the main body 33, so that the air inlet channel 4A is connected to the heating space 331. At this time, the heating space 331 constitutes a part of the air flow channel.

[0067] In some embodiments, the heating structure 10 can be a heater using resistance heating or a heater using electromagnetic induction heating. The heating structure 10 can be located inside the heating space 331 or outside the heating space 331, or partially inside the heating space 331 and partially outside the heating space 331.

[0068] In some embodiments, the heating structure is a coil 101, specifically a cylindrical spiral coil, which is an electromagnetic induction coil, and the electromagnetic induction coil is used to generate an alternating magnetic field. Specifically, both ends of the electromagnetic induction coil are respectively connected to the circuit board 30, and the circuit board 30 outputs an alternating current to the electromagnetic induction coil, so that the electromagnetic induction coil generates an alternating magnetic field.

[0069] In some specific achievable embodiments, at least the portion of the heat conductor 3 that is in contact with the oil conductor 2 generates Joule heat under the action of the alternating magnetic field, so that the portion of the atomized liquid on the oil conductor 2 that is in contact with the heat conductor 3 is heated and atomized to form an aerosol, that is, the portion of the heat conductor 3 that is in contact with the oil conductor 2 is at least partially made of ferromagnetic material, so that it can generate heat for heating and atomizing the atomized liquid under the action of the alternating magnetic field.

[0070] In some other specific achievable embodiments, the heating structure further includes an induction body 102, which is arranged opposite to the electromagnetic induction coil, and is used to generate Joule heat under the alternating magnetic field generated by the induction coil, and transfer the Joule heat to the heat conductor and the air in the air flow channel, thereby heating and atomizing the atomized liquid on the oil conductor 2 with the help of the heated air and the heat conductor.

[0071] Among them, the induction body 102 can be made of ferromagnetic material and can be arranged in the heating space 331. The induction body 102 can be arranged at the center of the electromagnetic induction coil. The structure of the induction body includes but is not limited to columnar, needle-shaped, sheet-shaped, tubular and other forms, and this application does not impose specific restrictions on this. Taking the induction body 102 as a columnar structure as an example, the electromagnetic induction coil is arranged around the outer periphery of the columnar induction body 102, and the columnar electromagnetic induction coil and the induction body 102 can be placed horizontally in the heating space 331, that is, the axis of the electromagnetic induction coil and the induction body 102 in the heating space 331 is roughly parallel to the horizontal plane. Of course, the electromagnetic induction coil and the induction body 102 can also be placed vertically in the heating space 331, that is, the axis of the columnar electromagnetic induction coil and the induction body 102 is arranged parallel to the height direction.

[0072] It should be noted that, when the heating structure 10 includes the inductor 102 and the electromagnetic induction coil, the alternating magnetic field generated by the electromagnetic induction coil can also cause the heat conductor 3 and the inductor 102 to generate Joule heat simultaneously.

[0073] In some other embodiments, the cylindrical spiral coil may also be replaced by a planar spiral coil. Fig.10 The planar spiral coil is located on the side of the heat conductor away from the oil conductor 2, the middle part of the planar spiral coil is configured to correspond to at least the part where the heat conductor and the oil conductor 2 are in contact, and the pitch of the coil gradually decreases from the outside to the center, that is, the coil 101 becomes denser from the outside to the center, so that the magnetic field density in the middle area can be increased after power is turned on, and the heat conductor 3 is arranged between the middle part of the coil 101 and the oil conductor 2. When the heat conductor 3 or the induction body 102 cuts the alternating magnetic field lines, due to the large magnetic field density in the middle area, more Joule heat can be generated, and the generated heat can be transferred to the oil conductor 2 more quickly (by air heat convection or heat conduction), thereby improving the heating effect.

[0074] It should be noted that no matter whether the electromagnetic induction coil of the heating structure adopts a cylindrical spiral coil, a planar spiral coil, or other forms of coil 101, the electromagnetic induction coil can be arranged in the heating space 331 or outside the heating space 331, or one part is located in the heating space 331 and the other part is located outside the heating space 331; and the induction body 102 is preferably arranged in the heating space 331. When the heating space 331 is sufficient, the electromagnetic induction coil and the induction body 102 can be arranged in the heating space 331 together to improve the heat transfer from the gas to the heat-conducting part and reduce heat loss.

[0075] In other embodiments, the coil 101 in the heating structure may also be a resistance heating coil, in which case the inductor 102 may not be required.

[0076] For further information, see Figure 2-8 The battery rod assembly 200 also includes a battery holder 20, a circuit board 30 and a battery 40. The circuit board 30 and the battery 40 are both fixed in the battery holder 20, and the circuit board 30 is electrically connected to the battery 40; the battery holder 20 includes a partition 201 connected to the side of the heat conductor 3 facing away from the oil-conducting body 2, a portion of the heating structure 10 is fixed to the atomizer 100 and another portion is passed through the partition 201 and is electrically connected to the circuit board 30.

[0077] Specifically, in this embodiment, the battery holder 20 includes not only the partition 201 but also a side plate formed with one side of the partition 201. The battery 40 and the circuit board 30 are arranged on one side of the partition 201, and the partition 201 and the end cover portion 31 of the heat conductor 3 are arranged at intervals, wherein the interval between the end cover portion 31 and the partition 201 forms an air intake gap, that is, the heating space 331 can also be connected to the air intake hole 3A on the connecting portion 34 of the end cover portion 31 through the air intake gap. Among them, the partition 201 or the entire battery holder 20 can be made of high temperature resistant / insulating plastic materials, such as polyimide, polysulfone or silica gel, etc., which can prevent the heat of the heating space 331 from being transferred from the partition 201 to the other side (the side with the battery 40 and the circuit board 30), which can prevent the loss of heat and protect the battery 40 and the circuit board 30 from damage, while also having the effect of light weight.

[0078] In other embodiments, the partition 201 and other side panels of the battery holder 20 may be separately provided, and only the partition 201 may be provided as a high temperature resistant / heat insulating plastic material, thereby saving costs.

[0079] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0080] The above is a description of the technical solution provided by the present invention. For those skilled in the art, according to the ideas of the embodiments of the present invention, there may be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An electronic atomization device, characterized in that: include: An atomizer, and a battery rod assembly detachably mounted on one end of the atomizer; The atomizer comprises an oil cup, an oil conducting body arranged in the oil cup, and a heat conducting member covering the open end of the oil cup, wherein the battery rod assembly is arranged on a side of the heat conducting member away from the oil cup; the heat conducting member is provided with a main body protruding toward the inner side of the oil cup and in contact with the oil conducting body, and a heating space is provided on a side of the main body away from the oil conducting body; The battery rod assembly includes a heating structure arranged corresponding to the heating space; The electronic atomization device is also provided with an air flow channel, and the contact portion between the oil guide body and the main body is located in the air flow channel.

2. The electronic atomization device according to claim 1, characterized in that: The heat conducting member comprises an end cover portion and a side surrounding portion connected to the outer periphery of the end cover portion, the side surrounding portion is sleeved on the outer periphery of the opening end of the oil cup, and the end cover portion abuts against the end of the opening end of the oil cup; The main body is a convex structure on the end cover with a concave outer side and a convex inner side, wherein the outer concave part forms the heating space, and the inner convex end forms a heat conducting surface that is in contact with the oil conducting body; The air flow channel includes an atomization channel arranged on a side of the oil-conducting body away from the heat-conducting surface.

3. The electronic atomization device according to claim 2, characterized in that: The oil guide body comprises a liquid guide portion and an atomization portion, wherein the liquid guide portion is connected to the atomization portion; An oil storage bin is also provided in the oil cup, the liquid guiding portion is connected to the oil storage bin, the atomizing portion is attached to the heat conducting surface, and the atomizing channel is provided on a side of the atomizing portion away from the heat conducting surface.

4. The electronic atomization device according to claim 3, characterized in that: The liquid guiding portion is arranged around the outer circumference of the atomizing portion, and in a direction perpendicular to the heat conducting surface, the thickness of the liquid guiding portion is greater than the thickness of the atomizing portion.

5. The electronic atomization device according to claim 3, characterized in that: The air flow channel further includes a plurality of atomization through holes arranged on the atomization portion, each of the atomization through holes extends in a direction perpendicular to the heat conduction surface and is connected to the atomization channel.

6. The electronic atomization device according to claim 3, characterized in that: A conduit is also provided in the oil cup, and the oil storage tank is defined between the outer wall of the conduit and the inner wall of the oil cup. The air flow channel also includes an air outlet channel arranged in the conduit and connected to one end of the atomization channel, and an air inlet hole arranged in the atomizer and connected to the outside and the other end of the atomization channel.

7. The electronic atomization device according to claim 6, characterized in that: The air inlet hole is arranged on the end cover portion and / or the main body portion and is communicated with the heating space; and / or, the air inlet hole is arranged in the oil cup.

8. The electronic atomization device according to claim 6, characterized in that: The atomizer further comprises a first seal and a second seal, wherein the first seal is in sealing contact with the inner wall of the oil cup; the first seal is provided with a first clearance hole matched with the end of the conduit; The oil guide body is clamped between the first seal and the second seal, the first seal is also provided with a liquid inlet connected to the oil storage tank, and the liquid guide portion is at least partially located at the liquid inlet; The second sealing member is provided with a second evacuation hole communicating with the first evacuation hole; the main body is located in the second evacuation hole and in close contact with the atomization part.

9. The electronic atomization device according to claim 8, characterized in that: The air flow channel further includes an air inlet channel communicating with the air inlet hole and the atomization channel, and the outer side of the main body portion and the inner side of the second sealing member are spaced apart to form the air inlet channel.

10. The electronic atomization device according to any one of claims 1 to 9, characterized in that: The heating structure is a cylindrical spiral coil or a planar spiral coil.

11. The electronic atomization device according to claim 10, characterized in that: The cylindrical spiral coil or the planar spiral coil is an electromagnetic induction coil; The electromagnetic induction coil is used to generate an alternating magnetic field so that at least the portion of the oil conductor in contact with the heat conductive member generates Joule heat, and / or the heating structure further includes an induction body arranged corresponding to the electromagnetic induction coil, and the electromagnetic induction coil is also used to cause the induction body to generate Joule heat.

12. The electronic atomization device according to claim 11, characterized in that: The planar spiral coil is located on the side of the heat conductor away from the oil conductor, the middle of the planar spiral coil and the part of the oil conductor that is in contact with the heat conductor are arranged opposite to each other, and the pitch of the planar spiral coil gradually decreases from the outside to the center.

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