EP3510880A1 - Noyau d'atomisation et son procédé de fabrication, et dispositif de génération d'atomisation comprenant ledit noyau d'atomisation - Google Patents

Noyau d'atomisation et son procédé de fabrication, et dispositif de génération d'atomisation comprenant ledit noyau d'atomisation Download PDF

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Publication number
EP3510880A1
EP3510880A1 EP18185579.2A EP18185579A EP3510880A1 EP 3510880 A1 EP3510880 A1 EP 3510880A1 EP 18185579 A EP18185579 A EP 18185579A EP 3510880 A1 EP3510880 A1 EP 3510880A1
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EP
European Patent Office
Prior art keywords
liquid
main body
atomizing
atomizing core
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18185579.2A
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German (de)
English (en)
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EP3510880B1 (fr
Inventor
Jianwei Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Innokin Technology Co Ltd
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Shenzhen Innokin Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201810032920.XA external-priority patent/CN108272136B/zh
Priority claimed from CN201820150472.9U external-priority patent/CN207897892U/zh
Priority claimed from CN201810080402.5A external-priority patent/CN108185530B/zh
Priority claimed from CN201820144349.6U external-priority patent/CN207885668U/zh
Priority claimed from CN201820159197.7U external-priority patent/CN207897893U/zh
Priority claimed from CN201820197945.0U external-priority patent/CN208002103U/zh
Application filed by Shenzhen Innokin Technology Co Ltd filed Critical Shenzhen Innokin Technology Co Ltd
Publication of EP3510880A1 publication Critical patent/EP3510880A1/fr
Application granted granted Critical
Publication of EP3510880B1 publication Critical patent/EP3510880B1/fr
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to an electronic cigarette (E-cigarette), and in particular relates to a self-regulating smart atomizing core, a thermally-propelled, negative-pressure, and sheet-type atomization generating device including said atomizing core, and a disposable-cartridge atomization generating device including said atomizing core.
  • E-cigarette electronic cigarette
  • the present invention further relates to a manufacturing method of the atomizing core.
  • a commonly-used electronic cigarette mainly comprises an atomizer, a cartridge body, an electronic cigarette liquid (E-liquid) storage tank, a power supply, and a circuit board.
  • the atomizer comprises a casing, a heating wire, E-liquid guiding cotton, as well as two wire posts respectively connected to the positive and negative poles of the power supply as equipped on the casing.
  • the two ends of the heating wire are respectively fastened to the two wire posts and are connected to the power supply, the heating wire is wound around the E-liquid guiding cotton, and the two ends of the E-liquid guiding cotton is soaked in the E-liquid storage tank storing the E-liquid.
  • the power supply provides electric energy for the heating wire to be heated up
  • the E-liquid guiding cotton absorbs the E-liquid in the E-liquid storage tank
  • the heating wire then atomizes the absorbed E-liquid, so when the atomized E-liquid flows out of the cigarette holder on the cartridge body, it is inhaled and consumed by the user.
  • the above-mentioned atomizer has the following defects: The structure is complicated, difficulties in controlling the resistance of the heating resistor during its operation thus causing the dry-burning of the heating wire. In addition, dry-burning of an E-liquid guiding material such as cotton may also produce harmful substances and shortens the service life of the E-cigarette.
  • the atomizing core of the atomizer comprises a ceramic body and a heating wire buried in the ceramic body, and a part of said heating wire is exposed on the surface of the ceramic body (see Figure 1 and Figure 2 ).
  • the heating wire (made of a resistance wire) of the ceramic atomizer is integrated with ceramic.
  • the ceramic body in the prior art is made by molding ceramic and the resistance wire (heating wire) together and then roasting/sintering them. Given some constrains of the metallic material of the resistance wire i.e.
  • the heating wire heats up, it atomizes the E-liquid around it; as the sizes of internal grains and/or apertures are approximately the same, the E-liquid can then flow through the uniform apertures between internal grains in the ceramic body. If the power of the heating wire is higher, the required apertures should be larger, while ceramic body with large apertures may cause the E-liquid to more easily leak downward; but when the ceramic body with small apertures is used, another problem of dry-burning of the heating wire due to short supply of E-liquid may arise.
  • the structure of the above-mentioned atomizer is complicated.
  • the heating wire needs to be removed from the wire posts, and such operation is inconvenient.
  • dry-burning of the heating wire may be easily caused. As a result, the taste to the atomized E-liquid will become less satisfying.
  • the objective of the present invention is to overcome the defects of the atomizing core in the prior art, and in particular in the situations where the E-liquid guiding cotton is replaced by a ceramic atomizing core, the problems are raised such as E-liquid leakage and dry-burning due to relatively large apertures and relatively small apertures respectively. Since the structure of the ceramic atomizing core is not capable of being automatically adapted to a pressure difference and in order to improve the atomization efficiency, it is thus necessary to make the atomized E-liquid volatized out of the atomizing core at a maximum level.
  • the present invention provides a self-regulating smart atomizing core, which can automatically regulate the pressure difference and can improve the atomization efficiency, and an atomization generating device including said atomizing core.
  • the atomizing core in the present invention comprises a main body, said main body consisting of grains and having a first surface and a second surface which are set oppositely, the thickness of the main body being the distance between the first surface and the second surface , the grains having open apertures or gaps connecting the first surface and the second surface in the thickness direction to allow a fluid to pass through, wherein the sizes of said open apertures or gaps-apertures among the grains of said main body decrease from the first surface to the second surface of said main body in the thickness direction, and a heating and atomizing layer, said heating and atomizing layer being configured on the second surface and being used to heat and atomize a liquid (for example, an E-liquid) flowing from the first surface into the main body.
  • a liquid for example, an E-liquid
  • the grains of said main body are set by layer in the thickness direction between the first surface and the second surface, said main body comprises at least two grain layers, the apertures size of the apertures or gaps among the grains of said at least two grain layers are different, and the grain dimension may decrease from the first surface to the second surface of said main body in the thickness direction.
  • the main body comprises a first grain layer, a second grain layer, and a third grain layer which are sequentially distributed from the first surface to the second surface of said main body in the thickness direction, the size of apertures or gaps among the grains of said first grain layer is Q1, the size of apertures or gaps among apertures of the grains of said second grain layer is Q2, the size of apertures or gaps among apertures of the grains in said third grain layer is Q3, and the main body is configured such that the sizes of apertures or gaps among grains apertures of different grain layers satisfy the following relationship: Q1>Q2>Q3.
  • the heating and atomizing layer may comprise a heating and atomizing resistor, and may further comprise two electrode zones which are set on said second surface, said two electrode zones are respectively connected to the two ends of the heating and atomizing resistor, and a first casing and a second casing are respectively set on the two opposite sides of said main body and are electrically connected to the two electrode zones, respectively.
  • said atomizing core further comprises a fluid preheating layer (preheating layer for short) set on said first surface for preheating the E-liquid.
  • a fluid preheating layer preheating layer for short
  • Said fluid preheating layer further comprises an E-liquid inlet and a preheating body having a preheating resistor.
  • said E-liquid inlet is closed so that the preheated liquid directly flows towards the second surface.
  • said E-liquid inlet is opened so that the liquid enters the preheating layer for the next working time.
  • a heating body can further be set on at least one grain layer.
  • Said atomizing core having a preheating layer and/or a heating body on a grain layer is considered as an atomizing core which utilizes heat power to propel the fluid.
  • the main body is made of ceramic material and said main body can be in the shape of a sheet or of annular form.
  • the first surface and the second surface are inner and outer annular surfaces set oppositely, and the thickness is in the radial direction of the annular form.
  • the apertures size of the open apertures or gaps among the grains of the main body of the atomizing core is not homogeneous but decreases in the flowing direction of the fluid, namely, in the thickness direction from the first surface to the second surface of the main body.
  • the sizes of the apertures or gaps allowing the fluid to pass decrease gradually in the flow direction.
  • the flow rate and the pressure during the flowing of the fluid both gradually increase. This not only helps the E-liquid to penetrate from the first surface to the second surface, raising the flow rate of the fluid, but also prevents the fluid from flowing back, that is to say, to resist the atomized fluid and the fluid which is pushed by the atomized fluid tending to move downward from moving downward, thus greatly improving the volatilization efficiency of the atomized fluid.
  • the design of the heating and atomizing resistor is different from that of a traditional heating wire, the resistance of the printed resistor, namely, the amount of heat produced by the heating and atomizing layer, can be precisely controlled by setting up the dimensions (namely, length, width, and height) of said printed resistor, and thus the atomization efficiency of the E-liquid can be improved.
  • the strip-shaped printed strips may facilitate the determination of resistance value, the forming, it is easy to manipulate, and for the atomized E-liquid to flow out upwardly.
  • the preheating layer and/or the heating body of a grain layer can heat the E-liquid so that it is the preheated E-liquid that then flows upward into the main body, which in turn further improves the flow rate and atomization efficiency of the E-liquid.
  • the atomizing core achieving the above-mentioned objectives in the present invention can also be considered as a self-regulating smart atomizing core, and the atomizing core equipped with a preheating layer and/or a heating body of a grain layer is considered as an atomizing core which utilizes heat power to propel the fluid. They are generally referred as "atomizing core" in the present invention.
  • a further objective of the present invention is to overcome the defects found in atomizers of prior art, which sometimes have complicated structure and involve inconvenient operations.
  • the present invention is aimed at providing a simply structured, quickly-heated, and anti- dry-burning atomization generating device.
  • the atomization generating device in the present invention comprises an E-liquid storage tank, an atomizer comprising the atomizing core of the present invention with the upper surface of said atomizer being slotted downward with an accommodating groove, and a supporting element which is accommodated in said accommodating groove.
  • Said supporting element cooperates with said atomizer to support said atomizing core so that when the main body of the atomizing core is configured on said supporting element, one end of the heating and atomizing resistor is in contact with said supporting element and the other end of the heating and atomizing resistor is in contact with said atomizer.
  • An insulating element is placed between said supporting element and said atomizer.
  • the side wall of said accommodating groove is configured with a step groove in a concave manner
  • said supporting element comprises a support body and a projection part extending upward from the top part of said support body, the projection part has a recessed groove, said recessed groove and said step groove are set oppositely, the bottom of said recessed groove and the bottom of said step groove are at the same height, the first casing and the second casing set on the external surface of the main body of the atomizing core are metal casings, said first metal casing is configured in said step groove, and said second metal casing is configured in said recessed groove.
  • the atomization generating device in the present invention further comprises a fastener which is set above the upper surface of said atomizer, and said atomizing core is located between said fastener and said atomizer.
  • the side wall of the E-liquid storage tank is provided with an E-liquid outlet
  • said atomizer is set on the lateral side of said E-liquid storage tank and is equipped with an E-liquid guiding hole, one end of said E-liquid guiding hole is connected to the accommodating groove of the atomizer, and the other end is connected to the E-liquid outlet of the E-liquid storage tank.
  • a sheet-type vapor atomization generation device which comprises the atomization generating device of the present invention, and further comprises a base on which the atomizer of said atomization generating device is set, an outer casing and an inner casing, and an upper cover which is set above said outer casing and inner casing. Said atomizer is fastened to said base and said inner casing is fastened to said atomizer.
  • the E-liquid storage tank of said atomization generation device consists of said outer casing, the base, the inner casing, and the upper cover.
  • said sheet-type vapor atomization generation device further comprises a fastener which is set above the upper surface of said atomizer and said atomizing core is located between said fastener and said atomizer.
  • An guiding hole for guiding E-liquid is provided at the bottom of said atomizer, one end of said guiding hole guiding E-liquid is connected to the accommodating groove of the atomizer, and the other end is connected to the E-liquid storage tank.
  • a screw hole is provided in said supporting element, an electrode is set in said base, said electrode can be screwed in said screw hole, said base and said supporting element are fastened through the electrode, and an insulation pad is set between said electrode and said base.
  • a negative-pressure, sheet-type vapor atomization generation device which comprises said atomization generating device and an E-liquid guiding pipe, and said E-liquid guiding pipe has an E-liquid inlet and an E-liquid outlet.
  • the E-liquid storage tank of said atomization generating device has a pore, said pore is connected to the ambient environment, the E-liquid inlet of said E-liquid guiding pipe is set at the bottom of said E-liquid storage tank, and the E-liquid outlet of said E-liquid guiding pipe is set on the upper surface of the support body and is located outside said E-liquid storage tank.
  • the negative-pressure, sheet-type vapor atomization generation device of the present invention further comprises a fastener which is set above the upper surface of said atomizer, and a cartridge body covering said atomizing core. Said atomizing core is located between said fastener and said atomizer. said cartridge body is provided with at least one air-regulating hole on the side wall of said cartridge body, and said air-regulating hole corresponding to said atomizer.
  • the disposable-cartridge atomization generating device of the present invention comprises a casing in which an E-liquid storage tank and an air passage are set, a seat body which is set at the bottom of said casing, and the above-mentioned atomizing core which is set in said seat body.
  • the atomizing core comprises a first metal casing and a second metal casing set on said seat body, and the first surface and the second surface of the main body are connected to the E-liquid storage tank and the air passage respectively.
  • said seat body comprises a rubber sleeve, a base, a first support, and a second support.
  • Said base is set at the bottom of said rubber sleeve
  • said rubber sleeve is mounted at the bottom of said casing
  • said second support is mounted on said rubber sleeve
  • said first support is mounted on said second support
  • said atomizing core is mounted on said first support
  • the second support has a recessed groove
  • the side wall of the recessed groove is provided with an E-liquid hole thereon
  • said E-liquid hole is located on said E-liquid storage tank
  • the first surface of said main body and said E-liquid hole are set oppositely.
  • the present invention further provides a manufacturing method for said atomizing core and the manufacturing method can comprise:
  • Said manufacturing method further comprises placing a preheating resistor onto the first surface and then sintering it at a second temperature, which is lower than the melting temperature for material used for the preheating resistor, in an oxygen-free environment
  • said size of apertures or gaps among grains can be understood as an apertures or gaps value, which is the maximum one-dimensional value of apertures/gap between the adjacent grains being substantially perpendicular to the flow direction of a fluid, or it can be an apertures area, which is the maximum two-dimensional apertures area of apertures or gaps between adjacent grains substantially perpendicular to the flow direction of a fluid, or porosity, which is the three-dimensional volume ratio of apertures or gaps between grains in a unit volume.
  • the size of the open apertures or gaps among grains gradually decrease in the liquid flowing direction (from the first surface to the second surface of the main body in the thickness direction of the same), satisfying the variation rule of the open apertures or gaps under the same definition standard apertures, namely one, two of three-dimensional size as defined above.
  • grains generally refer to solid particles or particulates formed after sintering and recrystallizing an entity (mineral substance) of a mineral material or any other material, and they can have regular or irregular geometries.
  • the grain structure in the present invention generally refers to a porous (basically a regular pore form) or polycrystal (basically a regular crystal form) material, after sintering and recrystallizing a mineral or any other entity (mineral material), such a structure has gradually-changing open apertures or gaps connecting two opposite surfaces.
  • the specific forms of particles or particulates between apertures or gaps should not restrict the protection scope of the present invention and should all fall within the protection scope of the present invention.
  • Figure 1 and Figure 2 respectively show schematically the ceramic atomizer and internal grains in the ceramic atomizer of the prior art.
  • the atomizing core 1' of the prior art in Figure 1 and Figure 2 comprises a ceramic body 2' and a heating wire 3'.
  • One part of the heating wire is buried in the ceramic body, and the other part is exposed outside the ceramic body.
  • the heating wire and the ceramic are formed integrally, since the heating wire will be melted at a above 1000°C, the temperature for roasting/sintering the ceramic body of prior art is usually set at about 800°C to 900°C, thus the mineral material roasted/sintered at said temperature in a strict sense, is not ceramic, but pottery.
  • the internal grain structure does not take any change and grain recrystallization never happens. Therefore, in the prior art, there is no any change in the internal grain structure of the ceramic body of the atomizing core shown in Figure 2 , that is to say, the integral formation only simply consolidates the grain structure.
  • Figure 3 shows the internal structure of grains of the main body of the atomizing core 3 of the present invention.
  • the fundamental function of the main body of the atomizing core for an electronic cigarette is to guide the E-liquid and also to provide a working substrate for atomization. Therefore, the main body of the atomizing core needs to satisfy the following common properties: high-temperature resistance (a working temperature from a room temperature to 350°C, an extreme temperature of 600°C or so in a dry-burning state); E-liquid guiding (with certain gap); E-liquid sealing (during working, the main body can hold the E-liquid by use of the surface tension of the E-liquid to prevent the E-liquid from flowing into the air passage); no harmful substance to human beings (especially at a high temperature), including oxides or heavy metals, is be produced during working. In addition, the material of the main body must not produce any odor during working, and no powder should fall off after heating.
  • the materials of main body satisfying the above-mentioned conditions may consist of mineral materials, usually, a ceramic material.
  • a ceramic material There are many raw materials which can be made into ceramic.
  • Aluminium oxide (Al 2 O 3 ), Zirconium dioxide (ZrO 2 ), Silicon dioxide (SiO 2 ) and Silicon carbide (SiC), ect. can all be made into a ceramic substrate satisfying most of the above-mentioned common properties, but with various product costs.
  • the ceramic material is made of Al 2 O 3 , and embodiments described below are normally based on ceramic materials made principally of Al 2 O 3 .
  • the grain structure of the main body of the atomizing core of the present invention is different from the grain structure of the ceramic body of the atomizing core of the prior art.
  • the grains of the main body of the atomizing core of the present invention undergo recrystallization and are integrated together.
  • the ceramic main body obtained always contains a recrystallized ceramic grain structure.
  • the apertures or gaps between grains of the main body of the atomizing core of the present invention are no longer uniform as in the prior art. The following will provide a detailed description in combination with Figure 7 to Figure 9 .
  • the atomizing core 3 comprises a main body 1 and a heating and atomizing layer 2.
  • the main body 1 has a first surface 101 and a second surface 102 which are set oppositely, and the distance between the first surface 101 and the second surface 102 forms the thickness of the main body.
  • the lower surface is the first surface
  • the upper surface is the second surface.
  • the heating and atomizing layer 2 is set on the second surface 102, namely, the upper surface of the main body 1.
  • the atomizing core in the first embodiment is a sheet-type or flat-plate type atomizing core.
  • the heating and atomizing layer 2 consists of a heating resistance material which should satisfy conditions such as high temperature resistance (so that it will not be fused in a working environment (within a temperature of 350°C) or in the case of a transient high temperature (dry-burning)), electric conduction, controllable resistance and higher error precision (for example, 0.1 ohm), and no harmful substance to human beings (especially at a high temperature), including oxides or heavy metals, is be decomposed when the atomizing core works.
  • the metals which can be used as a resistor are mostly precious metals, for example, platinum family elements, gold, silver, and their alloys.
  • the heating and atomizing layer 2 consists of a heating and atomizing resistor 20, usually a printed resistor.
  • a printed resistor has cost and production advantages, that is to say, the mechanized mass production can be realized in molding and printing and the cost is low.
  • the sheet-type atomizing core shown in Figure 4 to Figure 6 is usually flat printed, and a planar ceramic substrate can be made into a plurality of bodies of finished sheet-type atomizing cores with a ceramic grain structure by use of a die blank.
  • the annular-form atomizing core in other embodiments can be printed by use of a single cylinder. For example, a barreled ceramic substrate is molded into the main body of an annular form atomizing core.
  • Said printed resistor can comprises a plurality of printed strips.
  • the strip-shaped printed resistors facilitate resistance control, forming, and upward flowing of the atomized E-liquid.
  • said printed resistor 20 is made of silver or palladium, or the mixture of silver and platinum.
  • said printed resistor can be sintered at a second temperature, which is lower than the melting temperature of the resistance material used for the resistors, on the ceramic body after silk screen printing.
  • the temperature for sintering the resistors and/or resistance materials on the main body is obviously much lower than the first temperature of sintering and recrystallizing, which depends on the recrystallization temperature of material used for the main body as already explained above.
  • the fluid 140 for example, E-liquid for electronic cigarette, flows from the first surface 101 (upstream) into the main body 1 (midstream), then flows toward the second surface 102 (downstream), and is heated and atomized by the resistor 20 of the heating and atomizing layer 2 on the second surface.
  • Figure 5 and Figure 6 are 3D views of the atomizing core in the first embodiment of the present invention, wherein the atomizing core in Figure 6 is mounted with the casing.
  • the atomizing core 3 is in the shape of a sheet or flat plate.
  • the flat-plate atomizing core facilitates of the printing of the heating wire.
  • the molding and sintering of the flat-plate ceramic is simple and facilitate mechanized operations, and the cost is low.
  • the atomizing core can be in the shape of a triangle, pentagon, polygon, and ellipse.
  • a first casing 5 and a second casing 6 are set on the two sides of the main body 1, respectively.
  • the first casing 5 and the second casing 6 cover the main body 1.
  • FIG. 7 is a front view of the atomizing core in the first embodiment of the present invention.
  • Two electrode zones 14 and 15 are further set on the second surface, namely, upper surface of the atomizing core, and the two electrode zones are connected to the two ends of the heating and atomizing resistor 20, respectively.
  • the two electrode zones can further be electrically connected to the first casing 5 and the second casing 6, respectively.
  • the two electrode zones are respectively connected to the positive and negative poles of the power supply so that the power supply can conveniently be connected to the heating and atomizing resistor 20 through the electrode zones, allowing the heating and atomizing resistor to heat and atomize the E-liquid flowing from the first surface through the main body to the second surface.
  • Figure 8 is a cross-sectional view of the atomizing core in the first embodiment of the present invention in the thickness direction and shows the grain structures of ceramic grains 11, 12, and 13, and especially the changes of grain dimensions and apertures values, which are sizes of the apertures or gaps 111, 121, and 131, in the ceramic main body 1 of the atomizing core 3 in the first embodiment of the present invention in the direction from the first surface to the second surface, namely, in the direction of the thickness of the main body.
  • the apertures or gaps between grains connect the first and second surfaces in the direction of the thickness of the main body to become gas-opening apertures or gaps to allow the fluid to pass.
  • the grain boundary (after sintering and recrystallizing) can be different from what is shown, that is to say, the grain boundary can be in an irregular circle shape and/or irregular shape.
  • the really formed grain layers may be irregular curve, but not a straight line as shown in the figures.
  • the grain shapes and grain sizes are basically the same at the same layer, but the grain shapes and grain sizes may be different after recrystallization.
  • the figures only show the change tendency of the apertures or gaps, but do not restrict the specific grain distribution rules.
  • the cross-hatching lines do not completely overlap the grain diameters, and thus the grain boundaries at the same layer are significantly different, that is to say, the grain distribution positions and the cross-section sizes shown in the cross-sectional views are different from the grain distribution and cross-section sizes in the cross-sections of real products. It should be understood that the above-mentioned views are only used to help to understand the concept of the present invention, but not to restrict the protection scope of the present invention.
  • Figure 9 is an enlarged view of the structures of grains 11, 12, and 13 in the main body 1.
  • Figure 9 shows that the apertures or gaps between grains in the main body 1 gradually decrease from the first surface 101 to the second surface 102, and that the sizes of the grains 11, 12, and 13 in said main body 1 also gradually decrease from the first surface 101 to the second surface 102.
  • the main body 1 can comprise at least two grain layers and each grain layer consists of grains which have the same apertures or gap and/or grain size.
  • the thickness between the two ceramic layers is the thickness of the main body of the atomizing core.
  • the opposite external surfaces of the two ceramic layers in the thickness direction form the first and second surfaces of the main body of the atomizing core.
  • the main body of the atomizing core comprises the grain layers 110, 120, and 130, which are superimposed in sequence from the bottom up.
  • the main body of the atomizing core is roughly in the shape of a ring, the two grain layers are nested in sequence from the inside to the outside or from the outside to the inside, and the two grain layers in the thickness direction, namely, the inner and outer annular surfaces which are set oppositely in radial direction of the ring form the first and second surfaces of the main body of the atomizing core.
  • the annular-form atomizing core can be printed by use of a single cylinder. For example, a barreled ceramic substrate is molded into the main body of the annular-form atomizing core.
  • the apertures or gaps between grains in the main body gradually decrease from the first surface to the second surface, and preferably, the sizes of grains in the grain layers of said main body also gradually decrease from the first surface to the second surface.
  • the main body 1 of the atomizing core in the embodiment shown in Figure 8 and Figure 9 comprises at least two ceramic grain layers (which are called ceramic layers for short): a first ceramic layer 110 and a second ceramic layer 120, wherein said first ceramic layer 110 is located below said second ceramic layer 120, the gas-opening apertures or gaps between grains 11 in said first ceramic layer 110 are marked with 111, and the size of the apertures or gaps among grains of the first ceramic layer 110 is marked with Q1; the gas-opening apertures or gaps between grains 12 of said second ceramic layer 120 is marked with 121, and the size of the aperture or gaps is marked with Q2.
  • the function of gas-opening apertures or gaps is to allow the E-liquid to pass.
  • the first ceramic layer and the second ceramic layer are so configured that the condition Q1>Q2 is satisfied, that is to say, the amount of the E-liquid passing the first ceramic layer is greater than the amount of the E-liquid passing the second ceramic layer in a unit area in a unit time.
  • Said main body 1 can further comprise a third ceramic layer 130.
  • the third ceramic layer 130 is located above the second ceramic layer 120, the gas-opening apertures or gaps between the grains 13 of said third ceramic layer 130 is marked with 131, and the size of the apertures or gaps is marked with Q3.
  • the three ceramic layers are so configured that the condition Q1>Q2>Q3 is satisfied, that is to say, the amount of the E-liquid passing the first ceramic layer is greater than the amount of the E-liquid passing the second ceramic layer, and the amount of the E-liquid passing the second ceramic layer is greater than the amount of the E-liquid passing the third ceramic layer in a unit area in a unit time.
  • the gas-opening apertures or gaps of the ceramic layer containing the first surface of the main body is maximum and the amount of the E-liquid passing in a unit area in a unit time is maximum; the gas-opening apertures or gaps of the ceramic layer containing the second surface of the main body is minimum and the amount of the E-liquid passing in a unit area in a unit time is minimum.
  • the main body can be designed into two grain layers, three grain layers, or even four grain layers, five grain layers, or more grain layers.
  • three grain layers are exemplified, and the previous descriptions of the main body, the heating and atomizing layer, the casing, and the electrode are all applicable to the case where the main body comprises at least two grain layers.
  • the atomizing core 3 can manufacture by reference to the following steps: Provide at least two ceramic grain layers and place said at least two ceramic grain layers in a descending order of size of apertures or gaps among the grains in respective grain layers, wherein said at least two ceramic grain layers have a predetermined thickness after being placed, the external surfaces perpendicular to the thickness direction respectively form the first surface 101 and the second surface 102 of the main body, the size of apertures or gaps among grains in the ceramic grain layer adjacent to the first surface 101 is greater than the apertures or gaps among grains in the ceramic grain layer adjacent to the second surface 102.
  • the heating and atomizing printed resistor 20 can be sintered on the ceramic main body 1 after silk-screening.
  • the gas-opening apertures or gaps between grains need to gradually decrease in the flow direction of the fluid.
  • the variation of the gas-opening apertures or gaps in the thickness direction can be realized by at least two grain layers containing grains in different sizes, namely, by placing at least two grain layers containing grains in different sizes by layer in the thickness direction and then sintering them together.
  • the realization of the variation of the apertures or gaps is not limited the specific implementation mode such as layered placement of grain layers.
  • double sintering is adopted in the present invention. That is to say, ceramic satisfying the ceramic structure required in the present invention is firstly sintered, and then a resistance material is secondly sintered together with the ceramic according to the required resistance. Since ceramic sintering and recrystallizing requires a high temperature, for example about 1200°C for ceramic materials made principally of Al 2 O 3 , at which metals will be melted or highly oxidized, double sintering is adopted.
  • the temperature is controlled within the melting temperature of the metals used for the resistors/resistances, which is much lower than the recrystallizing temperature of the ceramic materials used for the main body, for example of the 1200°C for ceramic materials made principally of Al 2 O 3 , during this second sintering. In this way, the properties of the original ceramic substrate will not be damaged, nor will metal oxidization be caused.
  • Figure 11 and Figure 12 depict the structures of two embodiments containing a fluid preheating layer 30.
  • the fluid preheating layer 30 is set on the first surface, namely, in the upstream direction of the fluid.
  • the heating and atomizing layer 2 set on the second surface 102 of the main body, the destination to which the fluid 140 flows, can atomize the E-liquid 140 which reaches the second surface 102 through the capillary action of apertures or gaps between grains and the action of the negative pressure generally produced by smoking (inhaling).
  • the atomized E-liquid in the ceramic body will squeeze the E-liquid absorbed in the ceramic body outward for the reason of expansion.
  • the atomized E-liquid cannot completely be volatilized and the atomized E-liquid can be volatilized only by means of the heating wire outside the ceramic body.
  • the atomization efficiency is low, the volatilization efficiency of the E-liquid is also low, and the taste of the user and the next-time E-liquid atomization efficiency are heavily influenced.
  • the E-liquid 140 can be preheated in the upstream flow direction of the fluid.
  • the preheated fluid enters the main body and flows from the main body to the second surface faster.
  • the amounts of the E-liquid supplied and atomized in a unit time can be increased to satisfy different use habits, for example, a larger amount of atomized E-liquid and a higher atomization efficiency in the case of smoking by lung.
  • the atomizing core 3 has a fluid preheating layer 30 which is set on the first surface 101 (the lower surface in the figure) of the main body 1, and said fluid preheating layer 30 can be used together with liquid supply equipment (not shown in the figure).
  • a preheating resistor 4 is set in the fluid preheating layer 30, and said preheating resistor 4 can directly be set on the first surface 101 (the lower surface in the figure) of the main body 1 and can be sintered on the first surface of said main body 1 at a high temperature after silk screen printing.
  • the liquid is led to the preheating layer adjacent to the first surface of the main body and is preheated by the preheating resistor.
  • the liquid is heated and expanded, the heated liquid moves upward, enters said main body 1, and flows upward along the apertures or gaps among grains in said main body 1. Since the porosity in said main body 1 decreases progressively from the bottom up, that is to say, the apertures or gaps among grains in said main body 1 decrease progressively from the bottom up, the flow rate gradually increases and the pressure also gradually increases during the upward movement of the liquid.
  • the liquid is sent to the upper surface of said main body 1 and is heated and atomized by the heating and atomizing resistor 20.
  • the atomized E-liquid on the two sides of the heating and atomizing resistor 20 is directly volatilized from the upper surface of said main body 1. Since the flow rate and the pressure are both high, the atomized E-liquid below the heating and atomizing resistor 20 continues to move upward or move upward aslant to help the atomized E-liquid to be volatilized from the main body 1. In addition, the continuous, high-speed upward movement of the E-liquid below can prevent the atomized E-liquid from moving downward, improve the volatilization efficiency of the E-liquid, and improve the taste. Through thermal propulsion at the preheating layer, the amount of the E-liquid flowing into the atomizing layer in a unit time is increased and thus the amount of atomized E-liquid is increased. An open preheating zone is formed near the preheating layer of the main body. The design of said open preheating layer can effectively reduce the production and maintenance cost and satisfy the requirement for a large amount of atomized E-liquid.
  • the fluid preheating layer 30 in the second embodiment shown in Figure 12 is semi-closed, that is to say, the periphery of the first surface of the main body is enclosed to form a semi-closed fluid preheating layer 30, also known as control chamber, and is connected to the liquid supply equipment through the E-liquid inlet which can be opened or closed.
  • Said semi-closed fluid preheating layer can precisely control the amount of preheated E-liquid, improve the atomization efficiency of the E-liquid, and provide a continuous and even amount of atomized E-liquid to improve the experience of the user.
  • a preheating body 32 and an E-liquid inlet 33 are set on the fluid preheating layer 30 of the second embodiment of the preheating device shown in Figure 12 .
  • said E-liquid inlet 33 is closed to keep a certain amount of liquid in the preheating layer so that the certain amount of liquid further flows toward the second surface with the aid of thermal propulsion after being heated.
  • said E-liquid inlet is opened so that the liquid to be heated enters the semi-closed preheating layer 30 for a next repetitive work period of preheating and atomization.
  • the preheating body 32 is usually a preheating resistor.
  • a liquid feed trough 31 is set in said fluid preheating layer 30 and is used to evenly lead the liquid supplied at the E-liquid inlet 33 to the fluid preheating layer 30 for preheating, and the preheating body 32 is set in said liquid feed trough 31 to heat the liquid in the liquid feed trough 31.
  • the side wall of said liquid feed trough 31 is connected to the lower surface of said main body 1.
  • An automatic valve 34 can be set at said E-liquid inlet 33 to control the amount of the liquid flowing from the liquid supply equipment to the preheating layer.
  • the automatic valve 34 When the heating and atomizing resistor (usually a printed resistor) 20 is connected to the power supply to work, the automatic valve 34 is closed and the preheating body 32 heats the liquid in the liquid feed trough 31 in the preheating layer; when the heating and atomizing resistor 20 does not work, the automatic valve 34 is opened to allow the liquid to enter the preheating layer, and neither the preheating body 32 nor the heating and atomizing resistor 20 works at this time.
  • the heating and atomizing resistor 20, the automatic valve 34, and the preheating body 32 can be controlled through a printed circuit board, a chip, or an integrated circuit (IC). In addition, they can be set on the first surface of the main body, as shown in Figure 11 .
  • Said preheating body 32 can be set, as illustrated by the preheating resistor 4 in Figure 11 , on the first surface of the main body.
  • said preheating body 32 can be set at the bottom of the liquid feed trough 31, as shown in Figure 12 .
  • the preheating resistor 4 which is set on the first surface of the main body 1 can be sintered on the first surface of said main body 1 at a high temperature after silk screen printing.
  • the method for making the atomizing core 3 can further comprise the following step: place the preheating resistor 4 or the preheating body 32 on the first surface 101.
  • the purpose of the design of the second high-temperature sintering step in an oxygen-free environment is to place a printed resistor on the second surface of said main body, place a preheating resistor or preheating body on the first surface, and then sinter them together at a high temperature in an oxygen-free environment.
  • a preheating resistor on the lower surface of the bottom ceramic layer, and then sinter it at a high temperature in an oxygen-free environment.
  • the purpose of such a design is to firstly place a printed heating and atomizing resistor on the second surface of a ceramic layer, sinter the heating and atomizing resistor at a high temperature in an oxygen-free environment, cool the printed heating and atomizing resistor, place a preheating resistor on the first surface of the ceramic layer, and sinter the preheating resistor at a high temperature in an oxygen-free environment, and cool them down.
  • a heating body can be set at least at one grain layer.
  • a heating body 112, 122, or 132 can correspondingly be set in the upstream direction of the fluid at each grain layer 110, 120, or 130 to replace or cooperate with the fluid preheating layer 30 to realize the enhanced preheating and atomization effect.
  • said preheating body is located at the bottom of the first ceramic layer 110 and can also be called a first heating body 112.
  • a second heating body 122 can be set at the bottom of said second ceramic layer 120.
  • the liquid or E-liquid at the preheating layer 30 is heated by the preheating body at the bottom of the first ceramic layer 110, namely, the first heating body 112, the liquid is heated to expand and move upward to enter the first ceramic layer 110.
  • the second heating body 122 at the top of the first ceramic layer 110 namely, at the bottom of the second ceramic layer 120 simultaneously heats this part of liquid, and the liquid goes from the apertures or gaps between the grains of the first ceramic layer 110 into the apertures or gaps between the grains of the second ceramic layer 120. Since Q1>Q2, the flow rate of the liquid increases, and the pressure the fluid suffers also increases.
  • a continuous thermal propulsion energy is provided for this part of liquid, and this part of liquid continues to go up and move upward to enter the top of the second ceramic layer 120, is heated and atomized by the silk-screened resistor 20 on the top of the second ceramic layer 120, and is volatilized out of the second ceramic layer 120.
  • a third heating body 132 can further be set at the bottom of said third ceramic layer 130 adjacent to the second surface, the preheating body 32 and/or 112 heats the liquid, namely, the E-liquid in the preheating layer 30 so that the E-liquid is heated and enters the first ceramic layer 110.
  • the subsequent movement process of the E-liquid is the same as above.
  • the heating bodies in the grain layers are evenly set in the ceramic body, for example, on the periphery of the ceramic body normally in a geometrically symmetric way, as shown in Figure 13 to Figure 15 .
  • the above-mentioned heating bodies 112, 122, and 132 in the grain layers can also be configured differently in combination with the preheating body 32 in the semi-closed preheating layer.
  • the preheating layer 30 can be designed into a simplified preheating layer as shown in Figure 11 or a semi-closed preheating layer as shown in Figure 12 .
  • the preheating layer comprises components such as E-liquid inlet, but these components are not shown in Figure 13 to Figure 15 for the purpose of simplifying the description.
  • the preheating layer is designed into a simplified preheating layer and a heating body of a grain layer is set on the first surface of the main body, said heating body of a grain layer is equivalent to the preheating resistor 4 in the preheating layer, as shown in Figure 13 .
  • the three grain layers all contain a heating body, wherein the first heating body 112 in the first grain layer is equivalent to and replaces the preheating resistor 4 in the preheating layer in the simplified design shown in Figure 11 .
  • the heating bodies 132 and 122 in the third grain layer and the second grain layer are used together with the preheating body 32 in the preheating layer shown in Figure 12 .
  • the three grain layers all contain their own heating bodies 112, 122, and 132 and are used together with the preheating body 32 in the preheating layer shown in Figure 12 .
  • Figure 13 to Figure 15 show different combinations of the heating bodies 112, 122, and 132 in the grain layers with the fluid preheating layer 30, and the atomizing core 3 in the present invention is not limited to these combinations.
  • the heating body of the grain layer and the preheating body simultaneously heat the E-liquid in the preheating layer from the top and the bottom of the preheating layer, the E-liquid in the preheating layer is preheated more quickly, and the E-liquid flows more quickly in the main body.
  • the amount of atomized gas and the atomization efficiency are both improved.
  • the first ceramic layer 110, the second ceramic layer 120, and the third ceramic layer 130 are exemplified.
  • N ceramic layers can be configured and they are numbered as 1, 2, 3,..., N-1, and N in sequence from the down top
  • each ceramic layer is equipped with a heating body (for example, heating resistor), these heating resistors are numbered as R1, R2, R3, ..., R(N-1), and R(N) in sequence from the down top, and the temperatures required for the heating resistors are numbered as T1, T2, T3, ...T(N-1), and T(N) in sequence from the down top, wherein Tl ⁇ T2 ⁇ T3... ⁇ T(N-1) ⁇ T(N). In this way, layer-by-layer heating is realized.
  • a heating body for example, heating resistor
  • the E-liquid (liquid) is heated at first layer, the liquid enters second layer, the liquid is further heated at third layer until the liquid reaches the Nth layer.
  • the flow rate of the liquid gradually increases and the pressure of the liquid also gradually increases, and finally the liquid is heated and atomized by the heating and atomizing resistor 20 on the second surface.
  • the electric energy required for the silk-screened resistor to atomize the liquid can be reduced because the liquid itself has high energy when it reaches the topmost layer, and some of the liquid may be volatilized without being heated. Thus, the energy utilization is improved and the E-liquid is more fully atomized.
  • the automatic valve 34 in the fluid preheating layer 30 of the atomizing core is opened, the E-liquid 140 goes from the E-liquid inlet 33 into the liquid feed trough 31 and proactively penetrates upward through the main body 1, the user starts inhaling, the heating and atomizing resistor 20 at the heating and atomizing layer 2 is connected to the power supply and starts to heat to atomize the E-liquid 140 flowing to the second surface 102, a part of the E-liquid 140 is volatilized from the second surface 102 of said main body 1, the other part of heated E-liquid 140 starts to expand, and thus squeezes the surrounding E-liquid downward, and the squeezed E-liquid starts to move toward the first surface downward.
  • the preheating resistor 4 in the fluid preheating layer 30 heats the E-liquid 140. Since the automatic valve 34 is in the closed state, the E-liquid 140 entering the liquid feed trough 31 also starts to move upward to enter the main body 1 after being heated. The E-liquid in the main body 1 suffers an upward squeezing force and penetrates up the main body 1 to reach the top of the main body 1. The E-liquid moving upward interacts with the E-liquid moving downward to effectively prevent the E-liquid squeezed at the top of said main body 1 from moving downward, greatly improving the volatilization efficiency of the atomized E-liquid.
  • the automatic valve 34 When the user stops inhaling, the automatic valve 34 is opened, the E-liquid enters the liquid feed trough 31 from the E-liquid inlet 33, and penetrates upward through the liquid feed trough 31 to be atomized by the heating and atomizing resistor 20 next time.
  • the apertures or gaps between grains in the main body 1 gradually decrease in the direction of the thickness of the main body along the E-liquid flowing direction.
  • Such a design greatly facilitates the penetration of the E-liquid.
  • the heating and atomizing resistor 20 atomizes the penetrated E-liquid 140, first of all, the inter-grain apertures or gaps which gradually decrease in the flowing direction of the fluid, namely, in the direction from the first surface to the second surface, can prevent the E-liquid from flowing backward, namely, flowing toward the first surface because it is difficult for the E-liquid to enter large apertures or gaps from small apertures or gaps.
  • the fluid preheating layer 30 in the upstream flow direction of the E-liquid 140 can also heat the E-liquid 140 in the liquid feed trough 31, and at least one heating body of a grain layer in the upstream flow direction also enables the heated E-liquid to move toward the heating and atomizing layer 2 on the downstream second surface to resist the E-liquid 140 which moves backward to the upstream.
  • the interaction of the grain structure, the preheating layer, and/or the heating body can prevent the E-liquid 140 from moving backward.
  • the E-liquid 140 in the liquid feed trough 31 enters smaller apertures or gaps from larger apertures or gaps, and the E-liquid moving upward can also release a part of heat.
  • the rate of the E-liquid flowing toward the downstream gradually increases and heat is also gradually released.
  • the flow rate reaches the maximum, the pressure is increased, and the heat released is increased.
  • the E-liquid 140 which is going to move backward in the first ceramic grain layer 110 is propelled to the second surface 102.
  • Such propulsion to the second surface can drive the atomized E-liquid to face the second surface, for example, move upward or move upward aslant, to help the atomized E-liquid to be volatilized from the main body 1, and thus the atomization and volatilization efficiency of the E-liquid is improved greatly.
  • the E-liquid 140 moving toward the second surface reaches the last ceramic grain layer and the energy is released, the E-liquid can further absorb the heat released by the heating and atomizing resistor 20 next time. The energy utilization is further improved and the taste of the user is improved.
  • the structure of said atomization generating device is simple and the maintenance operations are easy.
  • the atomizing core needs to be replaced or removed, it can directly be removed from the atomizer.
  • the atomizing core is easy to replace and convenient to maintain.
  • the resistance of the heating resistor is conveniently controlled to prevent dry-burning, the impurities in the atomized E-liquid are reduced or even eliminated, and the taste to the atomized E-liquid is improved.
  • FIG 16 is an exploded 3D view of the atomization generating device 1000 including the atomizer 1030 in the present invention, with the atomizing core 3 not mounted in the atomizer.
  • Said atomization generating device 1000 comprises a fastener 1010, an atomizing core 3 covered by casings 1005 and 1006, a supporting element 1020, and an atomizer 1030 from the top down.
  • An accommodation groove 1031 is opened downward in the upper surface of said atomizer 1030, a supporting element 1020 is mounted in said accommodation groove 1031, an insulator 1025 is placed between said supporting element 1020 and the atomizer 1030, an E-liquid guiding hole 1045 is opened in the atomizer 1030, and said E-liquid guiding hole 1045 is connected to said accommodation groove 1031.
  • the above-mentioned atomizing core 3 comprises a main body 1, said main body 1 is mounted on said supporting element 1020, a heating and atomizing resistor 20 is configured on the main body 1, one end of said heating and atomizing resistor 20 is connected to the support 1020, and the other end is connected to the atomizer 1030.
  • two independent casings namely, first casing and second casing (shown in Figure 6 ) are set on the external surface of said main body, the casings made of metals, namely, first metal casing 1005 and second metal casing 1006, are connected to the two ends of the heating and atomizing resistor 20, respectively.
  • a step groove 1032 is concavely configured in the side wall of the accommodation groove 1031
  • the supporting element 1020 comprises a support body 1021 and a bulge 1022
  • said bulge 1022 extends upward from the top of the support body 1021
  • a recessed groove 1023 is set in said bulge 1022
  • said recessed groove 1023 and said step groove 1032 are configured to face each other
  • the bottom of said recessed groove 1023 and the bottom of said step groove 1032 are at the same height.
  • Said first metal casing 1005 is configured in said step groove 1032
  • said second metal casing 1006 is set in said recessed groove 1023.
  • the design of the supporting element 1020 is advantageous. Not only the support body 1020 facilitates the removal of the atomizing core 3 from the accommodation groove 1031 of the atomizer 1030, namely, atomizer core replacement, but also the support body 1020 cooperates with the accommodation groove 1031 of said atomizer 1030 to support said atomizing core 3, guaranteeing that the atomizing core can be fixed onto the atomizer 1030 in a proper and stable way.
  • the fastener 1010 can be set on the top of the upper surface of the atomizer 1030 and the atomizing core 3 is located between the fastener 1010 and the accommodation groove 1031 of the atomizer 1030. Said fastener 1010 is used to prevent the atomizing core 3 from falling off the atomizer 1030.
  • Figure 17 shows the overall structure of the atomization generating device 1000 of the present invention and Figure 18 is an enlarged partial view of Figure 17.
  • Figure 17 shows the E-liquid storage tank 1080 which has an E-liquid outlet 1055 on the side wall, and the atomizer 1030 which is set on the side of the E-liquid storage tank 1080.
  • An E-liquid guiding hole 1045 is opened in the atomizer 1030, one end of said E-liquid guiding hole 1045 is connected to the accommodation groove 1031 of the atomizer, and the other end is connected to the E-liquid outlet 1055 of the E-liquid storage tank 1080.
  • the E-liquid storage tank 1080 comprises an inner casing 1040, an outer casing 1050, an upper casing 1070, and a bottom casing 1060.
  • the atomizer 1030 is fixed between the inner casing 1040 and the bottom casing 1060, the E-liquid outlet 1055 is opened at the bottom of the inner casing 1040.
  • an electrode 1111 can be set in the supporting element 1020, said electrode 1111 is connected to the positive pole of the power supply, and the negative pole of said power supply is connected to the atomizer 1030.
  • the E-liquid guiding hole 1045 of the atomization generating device 1000 can be realized in the following two ways.
  • the E-liquid guiding hole 1045 can be bent to extend upwardly and inwardly from the bottom of said atomizer 1030.
  • the E-liquid guiding hole 1045 can be recessed inwardly from the side of said atomizer 1030. The following will respectively describe the designs of the types of E-liquid guiding holes in combination with the use conditions of the atomization generating device 1000.
  • the E-liquid 140 enters the E-liquid guiding hole 1045 from the E-liquid outlet 1055 of the E-liquid storage tank 1080, flows along the E-liquid guiding hole 1045 into the accommodation groove 1031, moves longitudinally (from the bottom up as shown in figures 17-18 ) in the accommodation groove 1031 to enter the atomizing core 3, and is atomized at the heating and atomizing layer on the second surface of the atomizing core 3.
  • the E-liquid 140 enters the E-liquid guiding hole 1045 from the E-liquid outlet 1055, flows along the E-liquid guiding hole 1045 into the accommodation groove 1031, moves horizontally (from left to right as shown in figure 19 ) in the accommodation groove 1031 to enter the atomizing core 3, and is atomized at the heating and atomizing layer on the second surface.
  • the atomized E-liquid moves upward and is inhaled by the user through the mouthpiece.
  • the atomizing cores have the same structure, but they are configured in different directions.
  • the atomizing core is horizontally configured, air goes up and down through the apertures or gaps between grains, and the fluid is atomized at the heating and atomizing layer on the second surface, namely, the upper surface.
  • the atomizing core is vertically configured, air goes from left to right through the apertures or gaps between grains, and the fluid is atomized at the heating and atomizing layer on the second surface, namely, the surface on the right.
  • both the flow rate and the pressure gradually increase.
  • the E-liquid finally reaches the second surface 102 of the main body 1 and is atomized by the heating and atomizing resistor 20 at a high flow rate under a high pressure.
  • the volatilization efficiency of the atomized E-liquid is greatly improved and the atomization efficiency of the E-liquid is improved.
  • the structure of the above-mentioned atomization generating device is simple. When the atomizing core needs to be replaced or removed, it can directly be removed from the atomizer. The atomizing core is easy to replace and convenient to maintain.
  • the circuit of such a atomization generating device can be realized as follows: As shown in Figure 16 and Figure 18 , the positive pole of the power supply is connected to the electrode 1111, and the current runs from the electrode post 1111 to the supporting element 1020, then from the support element 1020 to the second metal casing 1006, from the second metal casing 1006 to one end of the heating and atomizing resistor 20, and runs out of the other end of the heating and atomizing resistor 20 to the first metal casing 1005, from the first metal casing 1005 to the atomizer 1030, then from the atomizer 1030 to the bottom casing 1060 or the inner casing 1040, and finally to the negative pole of the power supply.
  • the configuration of the above-mentioned circuit is only one realization way, and those skilled in the art can change the configurations of the positions of the metal casings or other components, without influencing the scope of protection of the present invention.
  • an insulating rubber component 1025 is configured between the electrode post 1111 and the atomizer 1030.
  • the insulating rubber component can prevent any short-circuit between them when a circuit connection is realized.
  • the air passage of the atomization generating device of the present invention is realized as follows: External air continuously enters said ceramic atomizing core 3 from the pore in the outer casing 1050, and a part of ambient air enters the E-liquid storage tank 1080 from the atomizing core 3 to keep the pressure in the E-liquid storage tank 1080 consistent with the ambient pressure so that the E-liquid in the E-liquid storage tank 1080 can enter the E-liquid guiding hole 1045 from the E-liquid outlet 1055 to realize E-liquid delivery.
  • a pore 1121 is opened in the E-liquid storage tank 1080 so that the pressure in the E-liquid storage tank 1080 is kept consistent with the ambient pressure to facilitate E-liquid delivery.
  • the present invention further realizes a sheet-type vapor atomization generation device 2000 including the above-mentioned atomization generating device.
  • the following will describe the sheet-type vapor atomization generation device by reference to Figure 20 to Figure 25 .
  • FIG. 20 is an exploded 3D view of the sheet-type vapor atomization generation device 2000, with the atomizing core 3 mounted in the atomizer 2030.
  • Said sheet-type vapor atomization generation device 2000 comprises the above-mentioned atomization generating device 1000, and further comprises a base 2060, the atomizer 2030 being located on the base 2060, and an outer casing 2050 and an inner casing 2040, said inner casing 2040 being fastened to said atomizer 2030.
  • Said sheet-type vapor atomization generation device 2000 further comprises an upper cover 2070, which is configured on the top of said outer casing 2050 and inner casing 2040.
  • the E-liquid storage tank 2080 of the vapor atomization generation device 2000 consists of said outer casing 2050, base 2060, inner casing 2040, and upper cover 2070.
  • the exploded 3D view of the atomization generating device of the sheet-type vapor atomization generation device 2000 is similar to Figure 16 , and thus, the related description is omitted here.
  • a screw hole 2024 is opened in the support 2020, an electrode post 2100 is set in said base 2060, said electrode post 2100 is screwed in the screw hole 2024, an insulation pad 2025 is set between said electrode post 2100 and said base 2060, and said base 2060 and said support 2020 are fastened through the electrode post 2100.
  • Figure 22 and Figure 23 are overall cutaway views of the sheet-type vapor atomization generation device 2000 from different perspectives.
  • the outer casing 2050, base 2060, inner casing 2040, and upper cover 2070 of the sheet-type vapor atomization generation device 2000 are enclosed to form the E-liquid storage tank 2080
  • an E-liquid guiding hole 2045 is opened at the bottom of said atomizer 2030
  • an accommodation groove (not shown in the figures) is opened at the top of said atomizer
  • one end of said E-liquid guiding hole 2045 is connected to the accommodation groove
  • the other end is connected to the E-liquid storage tank.
  • an upper cover 2070 is set in the sheet-type vapor atomization generation device.
  • the following will describe the upper cover in combination with Figures 24-26 .
  • a through-hole 2046 is opened in the upper cover 2070, an air guiding pipe 2035 is mounted in said through-hole 2046, and the bottom of said air guiding pipe 2035 is located above the atomizing core 3.
  • An E-liquid injection hole 2047 is additionally opened in the upper cover 2070, said E-liquid injection hole 2047 is connected to said E-liquid storage tank 2080, a slide rail 2092 is additionally set on the upper surface of said upper cover 2070, and a slide cover 2094 can move horizontally on the slide rail 2092 relative to the E-liquid injection hole 2047 to expose or close the E-liquid injection hole 2047.
  • an elastic element 2093 is additionally set on the upper surface of the upper cover 2070, the upper side of said elastic element touches against the sliding cover 2094, a round groove 2095 corresponding to the elastic element 2093 is set in the sliding cover 2094, and the round groove 2095 corresponds to the elastic element 2093.
  • a sliding hole 2096 is opened in the sliding cover 2094, the sliding hole 2096 corresponds to the through-hole 2046, a cap 2090 is additionally set on said sliding cover 2094, and a mouthpiece is mounted in the sliding hole 2096 for the user to inhale.
  • the sliding cover 2094 When the E-liquid 140 needs to be injected, the sliding cover 2094 is pushed outward so that the sliding cover moves horizontally on the sliding rail to expose the E-liquid injection hole 2047.
  • the E-liquid 140 is injected into the E-liquid storage tank 2080 through the E-liquid injection hole 2047.
  • the sliding cover 2094 After the injection of the E-liquid is completed, the sliding cover 2094 is pushed in an opposite direction.
  • the elastic element 2093 always touches the lower surface of the sliding cover 2094.
  • the elastic element 2093 enters the round groove 2095, a sound is given out, indicating that the sliding cover 2094 slides in place.
  • the sealing of the E-liquid injection hole 2047 by sliding can prevent the pressure produced when the E-liquid injection hole is closed, that is to say, no pressure will be brought about to the E-liquid in the E-liquid storage tank 2080 when the E-liquid injection hole is closed.
  • the E-liquid 140 enters the E-liquid guiding hole 2045 from the E-liquid storage tank 2080, goes along said E-liquid guiding hole 2045 into the accommodation groove 2031, moves upward in the accommodation groove 2031 to enter the atomizing core 3, and is atomized on the atomizing core 3, and the atomized E-liquid flows upward through the air guiding pipe 2035 to enter the through-hole 2046 and the sliding hole 2096 for the user to inhale.
  • the designed circuit of the sheet-type vapor atomization generation device 2000 is realized as follows: The positive pole of the power supply is connected to the electrode post 2111, the current runs from the electrode post to the support 2020, from the support 2020 to said second metal casing 2006, then to one end of the heating and atomizing resistor 20, out of the other end of said resistor 20 to the first metal casing 2005, to the atomizer 2030, and finally to the base 2060, the base 2060 is connected to the negative pole of the power supply, and an insulation pad 2015 is set between the electrode 2111 and the base 2060 to prevent any short-circuit.
  • the air passage of the sheet-type vapor atomization generation device 2000 of the present invention is realized as follows: Air enters the atomizing core 3 through the air guiding pipe 2035, the pressure decreases at the atomizing core 3 when the user inhales, and the E-liquid 140 goes along the E-liquid guiding hole 2045 into the accommodation groove 2031 and then into the atomizing core 3; when the user stops inhaling, ambient air enters the atomizing core 3 through the air guiding pipe 2035, and a part of ambient air enters the E-liquid storage tank 2080 through the accommodation groove 2031 and the E-liquid guiding hole 2045 to keep the internal pressure and the ambient pressure consistent.
  • the present invention additionally realizes a negative-pressure, sheet-type vapor atomization generation device 3000.
  • the following will describe the negative-pressure, sheet-type vapor atomization generation device by reference to Figure 27 to Figure 29 .
  • Said negative-pressure, sheet-type vapor atomization generation device 3000 further comprises an E-liquid storage tank 3080 which has a pore 3034, said pore 3034 being connected to the ambient environment; an E-liquid guiding pipe 3041 which has an E-liquid inlet and an E-liquid outlet, the E-liquid inlet being set at the bottom of the E-liquid storage tank 3080, the E-liquid outlet extending upward out of the E-liquid storage tank 3080; a cartridge body 3400 which is covered on the atomizing core 3, a plurality of air-regulating holes 3051 being opened in the side wall of the cartridge body 3400, and said air-regulating holes 3051 corresponding to the atomizer 3030.
  • Such a configuration is favorable to the realization of negative-pressure E-liquid guiding at a normal temperature and pressure.
  • the E-liquid 140 is delivered to the atomizing core 3 and is atomized in a cotton-free condition, and the taste to the E-liquid is improved greatly.
  • the structure of the negative-pressure, sheet-type vapor atomization generation device is simple and it is convenient to maintain the device.
  • said E-liquid storage tank 3080 further comprises an inner casing 3040, an outer casing 3050, and a base 3060, the inner casing 3040 and the outer casing 3050 are fastened to the base 3060, the E-liquid guiding pipe 3041 is inserted in the inner casing 3040, and an insulator is set between the E-liquid guiding pipe 3041 and the inner casing 3040.
  • the inner casing 3040 comprises a horizontal wall surface 3446, an inner vertical wall surface 3447, and an outer vertical wall surface 3448, the horizontal wall surface 3446 connects the inner vertical wall surface 3447 and the outer vertical wall surface 3448, and the E-liquid guiding pipe 3041 is fastened to the inner vertical wall surface 3447.
  • the configuration of the pore 3034 can be realized in a plurality of ways.
  • the pore can be opened in the horizontal wall surface 3446 or the outer vertical wall surface 3448 of the inner casing 3040.
  • a check valve can be mounted in the pore to only allow air to come in, but not allow the E-liquid to leak.
  • the E-liquid 140 enters the E-liquid guiding pipe 3041 from said E-liquid storage tank 3080, goes up the E-liquid guiding pipe 3041 into the accommodation groove, moves upward in said accommodation groove to enter the ceramic atomizing core 3 and is atomized, and the atomized E-liquid flows upward through the mouthpiece 3042 for the user to inhale.
  • circuit principle of the negative-pressure, sheet-type vapor atomization generation device is the same as that of the atomization generating device of the present invention, and therefore the circuit principle will not be described here.
  • the air passage of the negative-pressure, sheet-type vapor atomization generation device is as follows: Air enters the atomizing core 3 from the pore 3034, the user inhales the mouthpiece 3042 to decrease the pressure at the atomizing core 3, the E-liquid goes up the E-liquid guiding pipe 3041 into the upper surface of the support body, enters the atomizing core 3, and is atomized, ambient air continuously enters the atomizing core, a part of ambient air enters the E-liquid storage tank 3080 through the pore 3034 to keep the pressure in the E-liquid storage tank 3080 and the ambient pressure consistent so that the E-liquid 140 in the E-liquid storage tank 3080 can flow upward through the E-liquid guiding pipe 3041 to realize E-liquid delivery under a normal pressure.
  • the present invention additionally realizes an atomization generating device 4000 for disposable cartridge.
  • the following will describe the atomization generating device for disposable cartridge by reference to Figures 30-33 .
  • Said atomization generating device for disposable-cartridge comprises a casing 4100 in which an E-liquid storage tank 4080 and an air passage 4040 are set, a seat body 4060 which is set at the bottom of the casing 4100, and the atomizing core 3 which is set in the seat body 4060, wherein the first casing and second casing of the atomizing core are metal casings, and the first metal casing 4005 and the second metal casing 4006 are both set on the seat body 4060, and the first surface 101 and the second surface 102 of the main body 1 in the thickness direction are connected to said E-liquid storage tank 4080 and air passage 4040, respectively.
  • the seat body 4060 comprises a rubber sleeve 4610, a base 4660, a first support 4621 and a second support 4622, wherein said base 4660 is set at the bottom of the rubber sleeve 4610 and the rubber sleeve 4610 is mounted at the bottom of the casing 4100.
  • the second support 4622 is mounted on the rubber sleeve 4610
  • the first support 4621 is mounted on the second support 4622
  • the atomizing core 3 is mounted on the first support 4621.
  • a recessed groove 4023 is opened in the second support 4622, an E-liquid hole 4045 is opened in the side wall of the recessed groove 4023, said E-liquid hole 4045 is located in the E-liquid storage tank 4080, and the first surface 101 and said E-liquid hole 4045 are set oppositely.
  • the first support 4621 can comprise a connection portion 4300 and contact and holding portions 4310 set at the two ends of the connection portion 4300, respectively.
  • An accommodation groove 4031 is set to pass through said connection portion, the first metal casing 4005 and the second metal casing 4006 are fastened by the contact and holding portion 4310, the first surface 101 faces the accommodation groove 4031, and the accommodation groove 4031 faces the E-liquid hole 4045.
  • a first terminal 4161 and a second terminal 4162 are additionally set in the base, and they are connected to the first metal casing 4005 and the second metal casing 4006, respectively.
  • a sensing resistor 4500 is additionally set in the base 4060.
  • the sensing port of the sensing resistor 4500 is located outside of the base 4060, and the sensing resistor 4500 can match the power supply.
  • the controller in the circuit board senses the sensing resistor 4500. If the resistance is within the required range, the sensing resistor matches the power supply and can be used normally, and otherwise, the sensing resistor cannot match the power supply.
  • a cigarette holder/mouthpiece 4042 is set at the top of the casing 4100, and the air outlet 4043 of the cigarette holder 4042 is connected to the air passage 4040.
  • a partition is set in said air passage 4040, a through-hole 4114 is set in the partition 4115 to connect the pore 4113 in the casing and said through-hole 4114 faces the second surface 102.
  • the operational principle of the atomization generating device for disposable-cartridge is as follows:
  • the E-liquid 140 in the E-liquid storage tank 4080 enters the second support 4622, goes from the second support 4622 to the E-liquid hole 4045, to the first surface 101 of the atomizing core 3, and through the atomizing core 3 to the second surface 102, and is heated and atomized;
  • the atomized E-liquid flows out of the air passage 4040, and the ambient air enters the air passage 4040 from the pore 4113, goes from the air passage 4040 to the through-hole 4114, and from the through-hole 4114 to said second surface 102, and carries away the atomized E-liquid so that the E-liquid can continuously be atomized.

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EP18185579.2A 2018-01-13 2018-07-25 Noyau d'atomisation et son procédé de fabrication, et dispositif de génération d'atomisation comprenant ledit noyau d'atomisation Active EP3510880B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201810032920.XA CN108272136B (zh) 2018-01-13 2018-01-13 自调式智能雾化芯及其制作方法
CN201820150472.9U CN207897892U (zh) 2018-01-27 2018-01-27 负压薄片式气雾发生装置
CN201810080402.5A CN108185530B (zh) 2018-01-27 2018-01-27 借助热力推动流体的装置
CN201820144349.6U CN207885668U (zh) 2018-01-27 2018-01-27 具有陶瓷雾化芯的雾化发生装置
CN201820159197.7U CN207897893U (zh) 2018-01-27 2018-01-27 薄片式气雾发生装置
CN201820197945.0U CN208002103U (zh) 2018-02-05 2018-02-05 一次性烟弹的雾化发生装置

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CN110477456A (zh) * 2019-08-02 2019-11-22 深圳麦克韦尔科技有限公司 多孔结构组件和电子烟
CN110664017A (zh) * 2019-11-05 2020-01-10 深圳市新宜康科技股份有限公司 雾化器多发热体交替发热的方法及装置
CN113636857A (zh) * 2021-08-13 2021-11-12 深圳市基克纳科技有限公司 一种组合物及其陶瓷雾化芯
CN113647696A (zh) * 2021-09-02 2021-11-16 美满芯盛(杭州)微电子有限公司 一种mems硅基膜孔雾化芯及其制造方法
CN113666763A (zh) * 2021-08-23 2021-11-19 深圳市安芯精密组件有限公司 雾化芯结构件及其制备方法
CN113712268A (zh) * 2021-08-18 2021-11-30 深圳市华诚达精密工业有限公司 加热雾化芯、加热雾化机构、加热雾化器及其电子雾化装置
CN113854645A (zh) * 2021-10-18 2021-12-31 深圳市吉迩科技有限公司 雾化芯及其制备方法
CN114176270A (zh) * 2021-12-11 2022-03-15 深圳市赛尔美电子科技有限公司 雾化芯组件及其装配方法
CN114804833A (zh) * 2021-01-27 2022-07-29 深圳麦克韦尔科技有限公司 陶瓷基体及其制备方法、陶瓷发热体及电子雾化装置
WO2022179232A3 (fr) * 2021-12-02 2022-10-20 深圳麦克韦尔科技有限公司 Corps chauffant, ensemble d'atomisation et dispositif d'atomisation électronique
WO2023035152A1 (fr) * 2021-09-08 2023-03-16 深圳市华诚达精密工业有限公司 Noyau d'atomisation en céramique poreuse et son dispositif d'atomisation électronique
WO2023071816A1 (fr) * 2021-10-29 2023-05-04 深圳市新宜康科技股份有限公司 Noyau d'atomisation, atomiseur et dispositif d'atomisation électronique
WO2023185019A1 (fr) * 2022-03-31 2023-10-05 海南摩尔兄弟科技有限公司 Dispositif d'atomisation électronique, noyau d'atomisation associé, corps poreux et procédé de fabrication de corps poreux
EP4062781A4 (fr) * 2019-11-22 2024-02-07 Changzhou Patent Electronic Tech Co Ltd Élément de guidage de liquide, noyau d'atomisation, atomiseur et système de génération d'aérosol
RU2817539C2 (ru) * 2021-03-03 2024-04-16 Кейтиэндджи Корпорейшн Картридж и устройство для генерирования аэрозоля, содержащее такой картридж

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Cited By (17)

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Publication number Priority date Publication date Assignee Title
CN110477456A (zh) * 2019-08-02 2019-11-22 深圳麦克韦尔科技有限公司 多孔结构组件和电子烟
CN110664017A (zh) * 2019-11-05 2020-01-10 深圳市新宜康科技股份有限公司 雾化器多发热体交替发热的方法及装置
EP4062781A4 (fr) * 2019-11-22 2024-02-07 Changzhou Patent Electronic Tech Co Ltd Élément de guidage de liquide, noyau d'atomisation, atomiseur et système de génération d'aérosol
CN114804833A (zh) * 2021-01-27 2022-07-29 深圳麦克韦尔科技有限公司 陶瓷基体及其制备方法、陶瓷发热体及电子雾化装置
RU2817539C2 (ru) * 2021-03-03 2024-04-16 Кейтиэндджи Корпорейшн Картридж и устройство для генерирования аэрозоля, содержащее такой картридж
CN113636857A (zh) * 2021-08-13 2021-11-12 深圳市基克纳科技有限公司 一种组合物及其陶瓷雾化芯
CN113712268A (zh) * 2021-08-18 2021-11-30 深圳市华诚达精密工业有限公司 加热雾化芯、加热雾化机构、加热雾化器及其电子雾化装置
CN113666763A (zh) * 2021-08-23 2021-11-19 深圳市安芯精密组件有限公司 雾化芯结构件及其制备方法
CN113666763B (zh) * 2021-08-23 2023-06-23 深圳市安芯精密组件有限公司 雾化芯结构件及其制备方法
CN113647696A (zh) * 2021-09-02 2021-11-16 美满芯盛(杭州)微电子有限公司 一种mems硅基膜孔雾化芯及其制造方法
WO2023035152A1 (fr) * 2021-09-08 2023-03-16 深圳市华诚达精密工业有限公司 Noyau d'atomisation en céramique poreuse et son dispositif d'atomisation électronique
CN113854645A (zh) * 2021-10-18 2021-12-31 深圳市吉迩科技有限公司 雾化芯及其制备方法
WO2023071816A1 (fr) * 2021-10-29 2023-05-04 深圳市新宜康科技股份有限公司 Noyau d'atomisation, atomiseur et dispositif d'atomisation électronique
WO2022179232A3 (fr) * 2021-12-02 2022-10-20 深圳麦克韦尔科技有限公司 Corps chauffant, ensemble d'atomisation et dispositif d'atomisation électronique
CN114176270A (zh) * 2021-12-11 2022-03-15 深圳市赛尔美电子科技有限公司 雾化芯组件及其装配方法
CN114176270B (zh) * 2021-12-11 2023-12-12 深圳市赛尔美电子科技有限公司 雾化芯组件及其装配方法
WO2023185019A1 (fr) * 2022-03-31 2023-10-05 海南摩尔兄弟科技有限公司 Dispositif d'atomisation électronique, noyau d'atomisation associé, corps poreux et procédé de fabrication de corps poreux

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