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WO2023050608A1 - Ensemble d'atomisation de chauffage, atomiseur électronique et appareil d'atomisation électronique associé - Google Patents

Ensemble d'atomisation de chauffage, atomiseur électronique et appareil d'atomisation électronique associé Download PDF

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Publication number
WO2023050608A1
WO2023050608A1 PCT/CN2021/140911 CN2021140911W WO2023050608A1 WO 2023050608 A1 WO2023050608 A1 WO 2023050608A1 CN 2021140911 W CN2021140911 W CN 2021140911W WO 2023050608 A1 WO2023050608 A1 WO 2023050608A1
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Prior art keywords
heating
atomization
liquid
atomizing
assembly according
Prior art date
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Ceased
Application number
PCT/CN2021/140911
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English (en)
Chinese (zh)
Inventor
陈平
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 Huachengda Precision Industry Co Ltd
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Shenzhen Huachengda Precision Industry Co Ltd
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Filing date
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Application filed by Shenzhen Huachengda Precision Industry Co Ltd filed Critical Shenzhen Huachengda Precision Industry Co Ltd
Publication of WO2023050608A1 publication Critical patent/WO2023050608A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention belongs to the technical field of electronic atomization, and relates to a heating atomization component, an electronic atomizer and an electronic atomization device thereof.
  • the porous ceramic heating body is widely used in the electronic atomizer due to its stable porous structure, high temperature resistance and good structural strength. body.
  • the problems existing in the planar heating body are: 1. The heating body and the porous ceramics are prone to loosening due to different thermal expansion coefficients. 2. It is difficult to make a planar heating body, and there are many processes, and because the resistance value of the heating body is determined by the stability of the cross-sectional area of its conductor, it is difficult to control the printed circuit and the planar heating body within ⁇ 0.01mm The accuracy range, the stability of the resistance value is relatively poor.
  • the technical problem to be solved by the present invention is to provide a heating atomization device with tight connection between the heating body and the conductive liquid, uniform atomization, relatively stable size, controllable resistance value and low cost in view of the defects of the prior art.
  • a heating atomization assembly including a conductive liquid and a heating body, wherein the heating body includes a heating circuit, and the heating circuit is annular; the heating circuit includes a preheating part and an atomizing part; wherein the preheating part Embedded in the heating body, the atomizing part is exposed outside the conductive liquid and attached to the atomizing surface of the conductive liquid, and the surface area of the atomizing part is greater than or equal to the surface area of the preheating part.
  • the shape of the atomization surface of the conductive liquid matches the shape of the heating circuit of the heating element, and the atomization part is attached to the atomization surface.
  • the atomization part has the same shape as the preheating part, and the extended length of the atomized part ⁇ the extended length of the preheated part.
  • the shape of the atomization part is different from that of the preheating part, and the total surface area of the atomization part ⁇ the total surface area of the preheating part.
  • the ring shape of the heating body is multi-ring or/and helical;
  • the multi-ring heating circuit includes a plurality of independently looped heating rings, and a plurality of The independently coiled heating rings are connected into a whole through the connecting part;
  • the spiral heating circuit is a helical structure formed by connecting the heating rings end to end and arranged in a spiral.
  • the plurality of heating rings have the same shape and size, forming a straight cylindrical structure as a whole; or the shapes and/or sizes of the plurality of heating rings are at least partly different, A variable-diameter cylindrical structure is formed as a whole.
  • the heating ring of the heating circuit is a curved ring, a polygonal ring or a combination thereof.
  • the top surface of the preheating part is buried close to the liquid inlet surface of the conducting liquid; or part of the top surface of the preheating part is buried close to the liquid entering surface of the conducting liquid, and part liquid middle.
  • the preheating part is provided with an extending part extending outward.
  • the liquid inlet surface of the guide liquid is at least one of a plane and a concave surface; or the liquid inlet surface of the guide liquid is a curved surface or a plane that can temporarily store liquid A combination of at least one.
  • the liquid inlet surface of the guide liquid is provided with atomization holes or/and atomization grooves to increase the atomization area, and the atomization holes or/and atomization grooves avoid Open the preheating part setting of the heating circuit.
  • the heating circuit is connected with an electrode connector, and the heating circuit and the electrode connector are fixedly connected as a whole by welding or riveting, and the heating circuit is made of a high-resistivity
  • the ring structure is made of metal or alloy
  • the electrode connector is a sheet structure or a rod structure made of metal with low resistivity.
  • An electronic atomizer includes an upper cover and a base, the above-mentioned heating atomization assembly is arranged between the upper cover and the base, and the heating atomization assembly is sealed with the upper cover by a sealing member.
  • An electronic atomization device comprising a liquid storage bin and the above-mentioned electronic atomizer, a sealing cover is provided between the liquid storage bin and the electronic atomizer to seal the two; the base is provided with electrodes and The heated atomizing components in the electronic atomizer are electrically connected.
  • the present invention adopts a ring-shaped heating body, and a part of the ring-shaped heating body is attached to the atomization surface of the conductive liquid, and the other part is buried in the conductive liquid.
  • the body is at least partially embedded in the conductive liquid, and the combination of the heating body and the conductive liquid is more firm.
  • the heating body adopts a ring structure, which has better supporting force, is easy to form, has relatively stable manufacturing dimensions, controllable resistance value, and low cost.
  • the spacing of the annular structure will affect the amount of heat in the heating area, and the heat can be adjusted to achieve the desired effect by controlling the annular spacing of the heating body.
  • the present invention adopts a ring-shaped heating body, and a part of the ring-shaped heating body is attached to the atomization surface of the conductive liquid, and the other part is buried in the conductive liquid.
  • the body is at least partially embedded in the conductive liquid, and the combination of the heating body and the conductive liquid is more firm.
  • the heating body adopts a ring structure, which has better supporting force, is easy to form, has relatively stable manufacturing dimensions, controllable resistance value, and low cost.
  • the spacing of the annular structure will affect the amount of heat in the heating area, and the heat can be adjusted to achieve the desired effect by controlling the annular spacing of the heating body.
  • Fig. 1 is the structural representation of embodiment 1 of the present invention.
  • Fig. 2 is the explosion diagram of embodiment 1 of the present invention.
  • Fig. 3 is a cross-sectional view of Fig. 1;
  • Fig. 4a is a longitudinal sectional view of Fig. 1;
  • 4b, 5a, and 5b are schematic structural views of the first embodiment of the spiral heating element in Example 1 of the present invention.
  • 6a-6b are schematic structural views of the second embodiment of the spiral heating element in Example 1 of the present invention.
  • Figures 7a-7b are schematic structural views of the third embodiment of the spiral heating element in Example 1 of the present invention.
  • Fig. 8-11b is a schematic structural diagram of an embodiment of a heating element composed of an independently looped heating ring in Example 1 of the present invention
  • Fig. 12 is a schematic structural diagram of the second embodiment of the arrangement of the heating element heating circuit in Example 1 of the present invention.
  • Fig. 13 is a schematic structural view of the second embodiment of the liquid inlet surface of the liquid guide in Example 1 of the present invention.
  • Fig. 14 is a schematic structural view of the third embodiment of the liquid inlet surface of the liquid guide in Example 1 of the present invention.
  • Figure 15 is a schematic structural view of Embodiment 2 of the present invention.
  • 16-17 are structural schematic diagrams of Embodiment 3 of the present invention.
  • a component is said to be “fixed on” or “disposed on” another component, it can be directly or indirectly on the other component.
  • an element is referred to as being “connected to” another element, it can be directly or indirectly connected to the other element.
  • axial and radial refer to the length direction of the entire device or component as “axial”, and the direction perpendicular to the axial direction as “radial”.
  • a heating atomization assembly includes a conductive liquid 100 and a heating body 200, wherein the heating body 200 includes a heating circuit 210, and the heating circuit 210 is annular;
  • the heating circuit 210 includes a preheating part 211 and an atomizing part 212; wherein, the preheating part 211 is embedded in the heating body 200, and the atomizing part 212 is exposed outside the conductive liquid 100 and attached to the atomizing surface of the conductive liquid 100 , the surface area of the atomization part 212 ⁇ the surface area of the preheating part 211 .
  • the guide liquid 100 of the present invention can adopt a porous ceramic body, which is divided into a liquid inlet surface 120 and an atomization surface 110 on the porous ceramic body.
  • the preheating part 211 of the heating body 200 plays the role of preheating the liquid and fixing the heating body 200 in the conductive liquid 100, and the atomizing part 212 of the heating body 200 exposed on the atomizing surface 110 mainly plays the role of evaporative atomization The action of the liquid.
  • the atomizing part 212 requires more heat than the preheating part 211, so it is simply defined from the surface area, and the surface area of the atomizing part 212 is required to be greater than the surface area of the preheating part 211.
  • the shape of the atomizing part 212 and the preheating part 211 are the same, and the shapes described in the present invention are the same, including the same diameter or width of the heating lines 210 and the arrangement of the heating lines 210 Pattern, density and arrangement are the same.
  • the extension length of the atomization part 212 ⁇ the extension length of the preheating part 211, and the extension length can represent the surface area.
  • the shape of the atomization part 212 is different from that of the preheating part 211. If the shape is different, the total surface area of the atomization part 212 is ⁇ the total surface area of the preheating part 211, so that the atomization part 212 has higher heat and temperature , to ensure that the liquid is atomized into steam.
  • the different shapes mentioned in the present invention include different diameters or widths of the heating circuits 210 , and may also be different arrangement patterns, densities and arrangements of the heating circuits 210 .
  • the ring-shaped heating body 200 is adopted, the supporting structure is better, easy to form, the size is relatively controllable, the resistance value is controllable, and the controllability of heating and atomization is better.
  • the position of the preheating part 211 in the conductive liquid 100 is set according to actual needs. In order to preheat the liquid faster and better, the top surface of the preheating part 211 is buried close to the liquid inlet surface 120 of the conductive liquid 100; The temperature of the liquid inlet surface 120 of 100 is increased, and heating the liquid can reduce the viscosity of the liquid and speed up its flow rate.
  • the external temperature is relatively high, or the inside of the conductive liquid 100 needs to be heated more uniformly, then it is preferred Part of the preheating part 211 is buried near the liquid inlet surface 120 of the conducting liquid 100, and part is located in the middle of the conducting liquid 100, and is heated in different positions, so that the overall temperature of the conducting liquid 100 is more uniform, and the liquid conducting is also more uniform.
  • the cyclic shape referred to in the present invention includes two implementations: one is polycyclic, and the other is helical.
  • the multi-ring heating circuit 210 includes a plurality of independently looped heating rings, and the plurality of independently looped heating rings are connected into a whole through a connecting part.
  • a single loop means that the heating ring is Closed ring;
  • the spiral heating circuit 210 is a helical structure in which the heating rings are connected end to end and arranged in a spiral, which is an open ring for each heating ring.
  • the heating circuit 210 can be made of a heating wire, can also be made of a tubular material, or can be rolled into a ring structure by a sheet material.
  • the independently formed heating rings 201 are arranged in sequence, and the distance between them can be equidistant or unequal, and the heating rings 201 can be They are parallel to each other, or they may not be parallel to each other. They are connected by a connecting portion 202.
  • One or more connecting portions 202 can be provided between adjacent heating rings 201.
  • the connecting portion 202 and the heating ring 201 can pass through Fixed connections such as welding and riveting can also be integrated with the heating ring 201, that is, it can be made by cutting pipes.
  • the arrangement density of the heating rings 201 is controlled by the connecting portion 202 , therefore, under different requirements, the length of the connecting portion 202 can be changed to control the arrangement of the heating rings 201 .
  • adjacent heating rings 201 are connected end to end and arranged in a spiral.
  • the advantage of the spiral structure is that the distance between the heating rings 201 can be adjusted. Due to the principle of heat radiation, the heating ring 201 The distance will affect the amount of heat in the heating area, and the heat can be adjusted to achieve the desired effect by controlling the distance between the heating rings 201 .
  • the shape of the atomizing surface 110 of the conductive liquid 100 matches the shape of the heating circuit 210 of the heating element 200 , and the atomizing part 212 is attached to the atomizing surface 110 . That is, first consider the shape of the heating circuit 210. In order to match the heating circuit 210 to be attached to the atomizing surface 110, the atomizing surface 110 is matched accordingly to form the final shape. For example, as shown in Figure 1-5b, the atomization of the heating circuit 210 part 212 is one or more arcs, then the atomizing surface 110 is one or more connected arcs, as shown in Fig. For planes or multi-segment connection planes and so on.
  • the heating ring 201 of the heating circuit 210 is a curved ring, a polygonal ring or a combination thereof.
  • the spiral heating ring 201 can be formed by a curve, a straight line or a combination thereof.
  • the first embodiment is that the spiral heating ring 201 is formed by using curves with the same or different curvatures.
  • a circular ring structure is preferred, and an elliptical ring structure is also possible, as shown in Figures 4a-4b for a circular ring structure. As shown in Fig. 5a-5b, it is an elliptical ring structure.
  • the advantage of the elliptical structure is that it can be used for the liquid guide 100 with a relatively short distance between the upper and lower sides. The thinner guide liquid 100 allows the e-liquid to flow to the atomizing surface 110 quickly, shortening the liquid inlet distance.
  • the second embodiment is: multi-segment straight lines are bent and spirally formed, as shown in Figures 6a and 6b.
  • the third embodiment is: a spiral structure formed by combining curves and straight lines. As shown in Figures 7a and 7b, it is a spiral structure composed of a straight line at the top and curved lines in the rest.
  • each heating ring 201 can be a circle, an ellipse, a regular or irregular curved ring with multiple arcs connected end to end, preferably a circular ring structure , can also be an elliptical ring structure.
  • each heating ring 201 can be a polygon with more than 3 sides, such as triangle, quadrangle, hexagon, octagon, etc. A relatively large number of sides is preferred, such as a polygon with 5-10 sides. As shown in Figure 10, it is a hexagonal ring.
  • the third embodiment of the independently looped heating ring 201 a combination of a curved ring and a polygonal ring.
  • a polygonal structure or a curved structure composed of straight lines, the atomizing part 212 is an arc-shaped structure or a straight line structure, and they form a closed-loop heating ring 201, as shown in Figures 11a-11b, which has three straight sides and an arc. become.
  • the heating circuits 210 Since different positions may require different amounts of heat, there are many ways to arrange the heating circuits 210: one way is: the shape and size of the plurality of heating rings 201 are consistent, forming a straight cylindrical structure as a whole, as shown in the figure 2-11a; the second embodiment is that the shapes and/or sizes of the plurality of heating rings 201 are at least partly different, forming a diameter-reducing cylindrical structure as a whole, as shown in FIG. 12 .
  • the preheating part 211 is provided with an extension part extending outward.
  • the extension part can increase the preheating area and improve the uniformity of preheating.
  • the structure of the extension part can be that the preheating part 211 is directly widened, or it can be directly extended outwards. This structure is used to dissipate heat from the preheating part 211 .
  • the structure of the guide liquid 100 can be in various ways, and the main changes are the liquid inlet surface 120 and the atomization surface 110 of the guide liquid 100 .
  • the liquid inlet surface 120 is at least one of a plane and a concave surface; the first embodiment of the liquid inlet surface is: a concave surface refers to various surfaces with a concave structure, for example: a concave curved surface: an arc surface, a surface composed of multiple arcs , a concave polygonal surface, that is, its cross-section is a trapezoidal surface, an angular surface and other polygonal surfaces.
  • the combination of plane and concave is also an embodiment of the present invention, and all concave structures are suitable for the present invention. As shown in Figure 1-4a, 5a is a concave structure.
  • the top surface of the guide liquid 100 is the liquid inlet surface 120
  • the liquid inlet surface 120 is a plane means: the position of the guide liquid 100 for liquid guide is a plane, this structure is suitable for For an atomizing core with a small volume, the upper surface of the entire guide liquid 100 can be directly used as the liquid inlet surface 120 .
  • the liquid inlet surface 120 of the guide liquid 100 is a combination of at least one of a curved surface and a plane that can temporarily store liquid.
  • Temporary liquid storage in this embodiment refers to: the liquid inlet surface 120 has one or more local concave structures, and the concave structures can be curved surface structures or polyhedral structures. The specific implementation of this structure is not limited, as long as there are internal The concave structure can temporarily store liquid.
  • the liquid inlet surface 120 of the guide liquid 100 is provided with an atomization hole 121 or/and an atomization groove that increases the area of the atomization surface 110, and the atomization hole 121 Or/and the atomizing tank avoids the preheating part 211 of the heating circuit 210 .
  • the atomization hole 121 or/and the atomization groove can make the liquid accumulate in the hole or/and the groove, which is more convenient for the liquid to penetrate.
  • the liquid inlet surface 120 with a concave structure can be used. Coupled with the way of small liquid inlet holes, the liquid inlet holes are set away from the heating body 200, which can achieve a better liquid inlet effect.
  • the heating circuit 210 is connected with an electrode connector 220, and the heating circuit 210 and the electrode connector 220 are fixedly connected as a whole by welding or riveting.
  • the heating circuit 210 adopts a ring structure made of a metal or alloy with high resistivity, Generally, there are iron-chromium-aluminum, nickel-chromium alloy, stainless steel, titanium alloy and so on.
  • the electrode connector 220 is a sheet structure or a rod structure made of metal with low resistivity, such as pure nickel, copper wire, or silver wire. Its resistivity is small, and the heat generated by the current passing through it is relatively low, which is equivalent to playing a role of heat insulation.
  • electrode connectors may not be required, and the electrodes are used to directly contact the two ends of the heating circuit 210 .
  • Embodiment 2 is an electronic atomizer, including an upper cover 10 and a base 40, and the heating atomization assembly 30 of Embodiment 1 is arranged between the upper cover 10 and the base 40, and the heating atomization The component 30 is sealed with the upper cover 10 by the sealing member 20 .
  • Embodiment 3 is an electronic atomization device, comprising a liquid storage bin 1 and the electronic atomizer 3 of Embodiment 2, and an electronic atomizer 3 is provided between the liquid storage bin 1 and the electronic atomizer 3 There is a sealing cover 2 to seal between the two; the base 40 is provided with an electrode 4 electrically connected to the heating atomization component 30 in the electronic atomizer 3 .

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Abstract

L'invention concerne un ensemble d'atomisation de chauffage (30), un atomiseur électronique (3) et un appareil d'atomisation électronique associé. L'ensemble d'atomisation de chauffage comprend un corps de guidage de liquide (100) et des corps de chauffage (200) ; les corps de chauffage (200) comprennent chacun un circuit de chauffage (210) et un élément de connexion d'électrode (220), les circuits de chauffage (210) étant annulaires ; les circuits de chauffage (210) comprennent chacun une partie de préchauffage (211) et une partie d'atomisation (212) ; les parties de préchauffage (211) sont incrustées à l'intérieur du corps de guidage de liquide (100), les parties d'atomisation (212) sont exposées à l'extérieur du corps de guidage de liquide (100) et fixées à une surface d'atomisation, et la superficie des parties d'atomisation (212) ≥ la superficie des parties de préchauffage (211) ; l'atomiseur électronique (3) comprend un couvercle supérieur (10) et une base (40), et un ensemble d'atomisation de chauffage (30) est disposé entre le couvercle supérieur (10) et la base (40) ; l'appareil d'atomisation électronique comprend un compartiment de stockage de liquide (1) et un atomiseur électronique (3), et un couvercle d'étanchéité (2) est disposé entre le compartiment de stockage de liquide (1) et l'atomiseur électronique (3), de manière à fermer hermétiquement les deux ; et la base (40) est pourvue d'une électrode (4) connectée électriquement à l'ensemble d'atomisation de chauffage (30) dans l'atomiseur électronique (3). Le corps de chauffage (200) et le corps de guidage de liquide (100) ont une connexion serrée qui ne se desserre pas, l'atomisation est uniforme, la taille est relativement stable, la valeur de résistance est régulable, et les coûts sont faibles.
PCT/CN2021/140911 2021-09-29 2021-12-23 Ensemble d'atomisation de chauffage, atomiseur électronique et appareil d'atomisation électronique associé Ceased WO2023050608A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122389550 2021-09-29
CN202122389550.5 2021-09-29

Publications (1)

Publication Number Publication Date
WO2023050608A1 true WO2023050608A1 (fr) 2023-04-06

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CN113545518A (zh) * 2021-06-30 2021-10-26 深圳市华诚达精密工业有限公司 用于分级加热的发热机构及其雾化装置

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CN205512338U (zh) * 2015-12-25 2016-08-31 深圳瀚星翔科技有限公司 一种雾化芯及电子烟雾化器
CN108185535A (zh) * 2018-02-13 2018-06-22 深圳麦克韦尔股份有限公司 电子烟及其发热组件和发热体
CN112996401A (zh) * 2018-09-11 2021-06-18 莱战略控股公司 用于气溶胶递送装置的芯吸元件
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