WO2022233328A1 - Heating assembly and aerosol forming device - Google Patents

Heating assembly and aerosol forming device Download PDF

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Publication number
WO2022233328A1
WO2022233328A1 PCT/CN2022/091266 CN2022091266W WO2022233328A1 WO 2022233328 A1 WO2022233328 A1 WO 2022233328A1 CN 2022091266 W CN2022091266 W CN 2022091266W WO 2022233328 A1 WO2022233328 A1 WO 2022233328A1
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WO
WIPO (PCT)
Prior art keywords
heating
electrodes
heating assembly
electrode
assembly according
Prior art date
Application number
PCT/CN2022/091266
Other languages
French (fr)
Chinese (zh)
Inventor
张幸福
方日明
Original Assignee
深圳麦时科技有限公司
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Publication date
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Publication of WO2022233328A1 publication Critical patent/WO2022233328A1/en

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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
    • A24F40/20—Devices using solid inhalable precursors
    • 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
    • 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 relates to the technical field of atomization equipment, in particular to a heating assembly and an aerosol forming device.
  • heat-not-burn electronic cigarettes also known as heat-not-burn aerosol-forming devices .
  • Existing heat-not-burn aerosol-forming devices generally include a heating element to heat and atomize the aerosol-forming substrate through the heating element;
  • the resistance heating circuit is printed or coated, and is formed by fixing the resistance heating circuit on the substrate after high temperature treatment; however, in the later use of this heating component, it is very easy for the resistance heating circuit to be heated at high temperature due to the bent shape of the substrate. It is easy to fall off from the substrate and has poor stability; while other heating components are generally formed by a multi-layer structure, which is complicated in structure, difficult in process and high in manufacturing cost.
  • the present application provides a heating assembly and an aerosol forming device.
  • the heating assembly can solve the problem that when the resistance heating circuit on the existing heating assembly is heated at a high temperature, it is easy to fall off from the substrate, the stability is poor, the structure is relatively complicated, the process is difficult and the manufacturing process is difficult. higher cost issues.
  • the heating assembly includes a heating element and at least two electrodes; wherein, the heating element is used to accommodate and heat the aerosol to form a matrix when energized; at least two electrodes are arranged on the heating element at intervals and are used to communicate with an external power source, so as to generate heat body electrified.
  • the heating body is tubular, and the heating body has a first connection end and a second connection end opposite to the first connection end; the electrodes are wound along the circumferential direction of the heating body.
  • the heating element is cylindrical, and the electrodes are closed annular.
  • the electrodes are annular.
  • the heating element is cylindrical, and the electrodes are non-closed annular.
  • the number of electrodes is two, one of the two electrodes is arranged at a position close to the first connection end, and the other electrode is arranged at a position close to the second connection end.
  • the number of electrodes is at least three, the at least three electrodes are arranged at intervals along the length direction of the heating body, and the at least three electrodes define at least two heating regions.
  • the number of electrodes is at least five, the at least five electrodes are arranged at equal intervals along the length direction of the heating body, and two of the at least five electrodes are respectively arranged at opposite ends of the heating body.
  • one of the at least three or at least five electrodes is in the form of a closed loop and is located near the first connection end of the heating element, and the rest of the electrodes are in the form of a loop with a gap;
  • a correspondingly arranged electrode extension part, one end of the electrode extension part is electrically connected with the corresponding electrode, and the other end is extended to the position of the heating element close to the second connection end through the gap.
  • the arrangement direction of the gaps of the remaining electrodes is parallel to the axial direction of the heating element, the lateral dimension of the gaps gradually increases along the direction away from the closed-ring electrodes, and the extending direction of the electrode extension is parallel to the axial direction of the heating body.
  • each electrode of the two, at least three or at least five electrodes is in a closed ring shape.
  • the tubular heating element also has a bottom wall, and the bottom wall is arranged on one of the ports of the heating element to close the port.
  • the bottom wall is provided with a plurality of ventilation holes, and the ventilation holes penetrate through the first surface of the bottom wall and the second surface opposite to the first surface.
  • a protective layer is also included, which is coated on the surface of the heating body and covers the electrodes.
  • the heating element is made of conductive ceramic material; the conductivity of the conductive ceramic material is 1*10 -4 ⁇ .m to 1*10 -6 ⁇ .m.
  • the heating element includes main components and crystal components; the main components are one or more of manganese, strontium, lanthanum, tin, antimony, zinc, and bismuth, and the crystal components are lanthanum manganate, lanthanum strontium manganate, tin oxide, One or more of zinc oxide, antimony oxide and bismuth oxide.
  • the aerosol forming device includes a housing, a heating assembly, a controller and a power source assembly; wherein, the power source assembly is electrically connected to the heating assembly for supplying power to the heating assembly, and the heating assembly is the above-mentioned heating assembly; the controller and the heating assembly Connection for controlling the heating element to heat up when the heating element is energized.
  • the heating component is the above-mentioned heating component; the controller controls the at least two heating regions to sequentially heat the aerosol-forming substrate at the corresponding position.
  • the heating temperature of each heating area controlled by the controller is consistent; or the heating temperature of the heating area that generates heat after the controller controls is lower than the heating temperature of the heating area that generates heat first.
  • the heating assembly is provided with a heating body to accommodate and heat the aerosol to form a matrix when energized;
  • Each electrode is connected to an external power source, so that the heating body is energized; wherein, since the heating body itself can exist independently without being attached to other carriers, compared with the existing heating body silk-printed on the ceramic substrate, the heating body of the present application There is no problem of failure caused by falling off the ceramic substrate after high temperature heating, which greatly improves the stability of the heating assembly; at the same time, due to the integrated structure of the heating element, compared with the heating element formed by the multi-layer structure, The structure is relatively simple, and the difficulty of the manufacturing process and the production cost are low.
  • FIG. 1 is a schematic front view of a heating assembly provided by a first embodiment of the present application
  • FIG. 2a is a schematic three-dimensional structural diagram of the structure shown in FIG. 1 provided by a specific embodiment of the application;
  • Fig. 2b is a three-dimensional schematic diagram of the structure shown in Fig. 1 provided by another specific embodiment of the application;
  • Fig. 2c is a schematic three-dimensional structural diagram of the structure shown in Fig. 1 provided by another specific embodiment of the present application;
  • FIG. 3 is a schematic front view of a heating assembly provided by the second embodiment of the present application.
  • FIG. 4 is a schematic front view of a heating assembly provided by a third embodiment of the present application.
  • FIG. 5 is a schematic front view of a heating assembly provided by a fourth embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application.
  • first”, “second” and “third” in this application are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first”, “second”, “third” may expressly or implicitly include at least one of that feature.
  • "a plurality of” means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. All directional indications (such as up, down, left, right, front, rear%) in the embodiments of the present application are only used to explain the relative positional relationship between components under a certain posture (as shown in the accompanying drawings).
  • FIG. 1 is a schematic front view of a heating assembly provided by a first embodiment of the application
  • FIG. 2a is a schematic three-dimensional structure diagram of the structure shown in FIG. 1 provided by a specific embodiment of the application
  • FIG. 2b is a schematic three-dimensional structure diagram of the structure shown in FIG. 1 provided by another specific embodiment of the application
  • FIG. 2c is a three-dimensional structure schematic diagram of the structure shown in FIG. 1 provided by another specific embodiment of the application
  • a heating assembly 20, the heating assembly 20 is specifically used to accommodate and heat an aerosol-forming substrate when energized; wherein, the aerosol-forming substrate can be shredded tobacco, cigarettes, or paste-like e-liquid, and the like.
  • the heating assembly 20 includes a heating element 21 and at least two electrodes 22 .
  • the heating element 21 is used for accommodating the aerosol-forming substrate, and the heating element 21 can not only support the aerosol-forming substrate accommodated therein, but also heat the aerosol-forming substrate accommodated therein when energized; wherein, due to the The heating body 21 is a self-supporting structure, that is, the heating body 21 itself can exist independently without being attached to other carriers.
  • the heating body 21 of the self-supporting structure is more efficient than the existing printing or coating of the resistance heating element on the substrate.
  • the formed heating element does not have the problem of falling off from the ceramic substrate during high temperature heating and causing failure, which greatly improves the stability of the heating element 20; at the same time, because the heating element 21 is formed by peripheral heating to the aerosol
  • the circumferential direction of the substrate is heated at the same time, which effectively improves the heating uniformity of the aerosol-forming substrate, and the preset temperature field has a clear boundary.
  • low-pressure startup facilitates instant power control and design.
  • the heating body 21 has an integral molding structure; it can be produced by dry pressing or injection molding to obtain a blank, and then sintering and molding the formed blank;
  • the heating element formed in the multi-layer structure has a relatively simple structure, and the difficulty of the manufacturing process and the production cost are both low.
  • the heating body 21 can be in a tubular shape, and the tubular heating body 21 has a first connection end and a second connection end oppositely arranged along its length direction; preferably, the heating body 21 can be in a cylindrical shape;
  • the heating body 21 is formed with a through hole 211 along its length direction, and the aerosol-forming substrate is inserted into the heating body 21 from one end opening of the through hole 211 , so that the aerosol-forming substrate can be heated by the heating body 21 .
  • the aerosol formed by heating can flow out through the open end of the through hole 211; specifically, the through hole 211 can be consistent with the outer contour of the aerosol-forming substrate (such as a cigarette); in another specific In an embodiment, referring to FIG.
  • the heating element 21 further has a bottom wall 212, and the bottom wall 212 has a first surface and a second surface opposite to each other;
  • the port of the first connection end or the second connection end is used to block one end port of the through hole 211 through the bottom wall 212, thereby limiting the position of the aerosol-forming substrate accommodated in the through hole 211;
  • the heating element 21 is substantially barrel-shaped, the aerosol-forming matrix is inserted into the heating element 21 from the open end of the barrel-shaped heating element 21 , and the aerosol formed by heating passes through the open end of the barrel-shaped heating element 21 .
  • FIG. 1 referring to FIG.
  • a plurality of ventilation holes 213 may be opened on the bottom wall 212, and the ventilation holes 213 penetrate through the first surface and the second surface of the bottom wall 212, so that the aerosol formed by heating can also be At the same time, it can flow out from the barrel-shaped heating body 21 through the ventilation holes 213 ; specifically, a plurality of ventilation holes 213 can be evenly distributed on the bottom wall 212 .
  • the material of the heating element 21 can be a conductive ceramic.
  • the heating element 21 made of the ceramic material has higher electrical conductivity, and the temperature generated by heating is relatively uniform; and the power of the ceramic heating element 21 is higher. It can be adjusted and designed between 3 and 4 watts, the conductivity can reach 1*10 -4 ⁇ .m to 1*10 -6 ⁇ .m, the flexural strength is greater than 40MPa, and the fire resistance is higher than 1200°C; at the same time, the ceramic
  • the heating element 21 has the characteristic of starting voltage in the whole process.
  • the electromagnetic heating wavelength of the material of the ceramic heating body 21 is the mid-infrared wavelength, which is conducive to atomizing the e-liquid and improving the taste; in addition, the crystal phase structure of the ceramic heating body 21 is a high temperature stable oxide ceramic.
  • the physical ceramics have good fatigue resistance, high strength and high density, which can effectively avoid the volatilization of harmful heavy metals and dust problems, and greatly improve the service life of the heating element 21 .
  • the above-mentioned use of the whole piece of ceramic heating element 21 can reduce the hot spot area of the highest temperature, eliminate the risk of fatigue cracking and fatigue resistance increase, and have better consistency;
  • the smoothness brought by the microcrystalline structure makes the surface of the heating element 21 easier to clean and not easy to adhere; in addition, the ceramic heating element 21 is made by using a ceramic production process.
  • the ceramic production process mainly includes raw material mixing, molding and sintering, and cutting processes. The process is relatively simple and convenient to control, and the cost is low, which is beneficial to the popularization of production and the improvement of economic benefits.
  • the conductive ceramic heating body 21 specifically includes main components and crystal components; wherein, the main components are used to conduct electricity and make the conductive ceramic heating body 21 form a certain resistance; the main components can specifically be manganese, strontium, lanthanum, tin, One or more of antimony, zinc, and bismuth; the crystal composition, that is, the main material of the ceramic material, the crystal composition can specifically be among lanthanum manganate, lanthanum strontium manganate, tin oxide, zinc oxide, antimony oxide, and bismuth oxide. one or more of.
  • the heating element 21 may also be made of a metal alloy or a ceramic alloy made of an iron-silicon alloy or an iron-silicon aluminum alloy.
  • At least two electrodes 22 are arranged on the heating body 21 at intervals, and are used to communicate with an external power source so as to energize the heating body 21; the electrodes 22 are printed on the heating body 21 by means of screen printing conductive paste. It can be connected to the external power supply by welding the external lead 50 (see Figure 6 below); of course, in other embodiments, a metal electrode tube can also be set on the outer periphery of the heating body 21, so that the electrode 22 is connected to the external power supply, and then The heating element 21 is heated.
  • At least two electrodes 22 can be arranged at intervals along the length direction of the heating body 21, and each electrode 22 can be wound along the circumferential direction of the heating body 21; in a specific embodiment, it is wound on the heating body 21
  • the electrode 22 can be in a closed ring shape; preferably, the electrode 22 can be in a circular shape; of course, in other embodiments, the electrode 22 can also be in an ellipse shape or other shape inclined relative to the axial direction of the heating body 21; In another specific embodiment, the electrode 22 may also be a non-closed ring; the non-closed ring is a ring with a gap.
  • the electrode 22 can be formed on the heating body 21 by coating, so as to improve the bonding force between the electrode 22 and the heating body 21, thereby improving the external lead 50 connected to the electrode 22 (see the figure below). 6)
  • the above-mentioned coating material can be selected from silver paste.
  • the electrode 22 can also be formed by depositing a metal film, for example, depositing gold, platinum, copper and other metal materials higher than 1*10 -6 ⁇ m.
  • the number of electrodes 22 is two, one electrode 22 of the two electrodes 22 is arranged at a position close to the first connection end of the heating body 21 , and the other electrode 22 is arranged at the position of the heating body 21 .
  • FIG. 3 is a schematic front view of the heating assembly provided by the second embodiment of the application; in this embodiment, the number of electrodes 22 is at least three, and the at least three electrodes 22 are along the The length direction of the heating body 21 is arranged at intervals, preferably, at least three electrodes 22 are arranged at equal intervals along the length direction of the heating body 21; and at least three electrodes 22 are defined to form at least two heating regions; The two electrodes 22 are respectively arranged at the first connection end and the second connection end of the heating body 21; in a specific embodiment, two adjacent heating regions are directly connected, so that each The aerosol-forming substrates corresponding to the positions can be well heated, thereby improving the utilization rate of the aerosol-forming substrates.
  • the at least two heat generating regions start to energize and generate heat in sequence along the length direction of the heat generating body 21, so as to sequentially heat the aerosol-forming substrate at the corresponding position, thereby imitating the gradual burning of the aerosol-forming substrate from one end to the The other end of the process, and to ensure the consistency of the user's suction taste.
  • the heating temperature of each heating area is the same, so that the aerosol-forming substrates corresponding to each heating area can be heated at the same temperature, so as to ensure that the user's suction taste is consistent; of course, in other embodiments, after heating
  • the heating temperature of the heating area can also be lower than the heating temperature of the heating area that generates heat first, so as to avoid the problem that the temperature of the heating area that generates heat later is too high and the aerosol-forming substrate is scorched; While heating the corresponding aerosol-forming substrate in the heating area, the heating temperature will also be transmitted to the aerosol-forming substrate corresponding to the post-heating area, so that the aerosol-forming substrate corresponding to the post-heating heating area can be heated.
  • Heating that is, in the process of heating the corresponding aerosol-forming substrate in the first-generating heat-generating area, the aerosol-forming substrate corresponding to part of the later-generating heat-generating area will also be partially heated.
  • the heat-generating temperature corresponding to the heat-generating area that can be controlled later is slightly lower than the heat-generating temperature of the heat-generating area that generates heat first.
  • the number of electrodes 22 is at least five, the at least five electrodes 22 are arranged at equal intervals along the length direction of the heating body 21 , and two electrodes 22 of the at least five electrodes 22 are respectively arranged on the heating body 21 At the same time, at least five electrodes 22 are defined to form at least two heat-generating areas, and the specific characteristics of the at least two heat-generating areas can be found in the above-mentioned embodiment about the number of electrodes 22 being at least three. and can achieve the same or similar technical effects, which will not be repeated here.
  • each of the above-mentioned at least two electrodes 22, at least three electrodes 22 and/or at least five electrodes 22 is in the shape of a closed circular ring, and the external lead 50 is directly connected to each electrode 22. Connect to achieve the connection between the two.
  • FIG. 4 is a schematic front view of the heating assembly provided by the third embodiment of the application; for the convenience of connecting the external lead 50 with the electrode 22 , in this embodiment, the heating assembly 20 It also includes electrode extension parts 221 which are arranged in one-to-one correspondence with at least two, at least three or at least five electrodes 22. One end of the electrode extension part 221 is electrically connected to the corresponding electrode 22, and the other end extends to the same electrode of the heating body 21.
  • each electrode extension 221 is electrically connected to the corresponding electrode 22, it extends to the position of the heating body 21 near the second connection end through the gap corresponding to the remaining electrodes 22, so as to connect each electrode 22.
  • the electrodes 22 are all led to the second connection end and communicated with the external lead 50 .
  • the electrode extension portion 221 and the electrode 22 can be formed simultaneously in the same manner, and the specific material of the electrode extension portion 221 can be the same as that of the electrode 22 , which is not limited herein.
  • the extending direction of the electrode extending portion 221 corresponding to each electrode 22 can be parallel to the axial direction of the heating element 21 , which is not only convenient for manufacture, but also saves cost.
  • the arrangement direction of the gaps of the remaining electrodes 22 is parallel to the axial direction of the heating body 21 , and the gaps corresponding to at least two, at least three or at least five electrodes 22 have a lateral dimension along the distance away from the closed annular electrode.
  • the direction of 22 gradually increases to ensure that each electrode extension 221 can extend through the current gap to the position of the heating body 21 close to the second connection end; wherein, the lateral size of the gap specifically refers to the gap along the circumferential direction of the heating body 21. size of.
  • the electrode extension parts 221 are all linear and extend along the axial direction of the heating body 21 , the electrode extension parts 221 corresponding to the closed ring-shaped electrodes 22 are arranged in the middle of the gap, and the electrode extension parts of the other electrodes 22 The electrodes 221 are symmetrically arranged on opposite sides of the electrode extending portion 221 corresponding to the closed ring-shaped electrode 22 .
  • the five electrodes 22 are respectively defined as the first electrode 22, the second electrode 22, the third electrode 22, the fourth electrode 22, and the fifth electrode 22, and the electrode extension parts 221 corresponding to the five electrodes 22 are respectively defined as the first electrode 22
  • the electrode extension part 221 is arranged in the middle of the notch, the first electrode extension part 221 and the third electrode extension part 221 are arranged on the first side of the first electrode extension part 221 , and the second electrode extension part 221 and the fourth electrode extension part 221 are arranged on the second side of the first electrode extension portion 221 opposite to the first side.
  • FIG. 5 is a schematic front view of the heating assembly 20 provided by the fourth embodiment of the present application; another heating assembly 20 is provided, which is different from the heating assembly 20 provided in any of the above embodiments.
  • the heating assembly 20 also includes a protective layer 23, the protective layer 23 is coated on the surface of the heating body 21 and covers at least two electrodes 22 to protect the surface of the heating body 21 and the electrodes 22 and prevent the heating body 21 and the electrodes 22. 22 is corroded or polluted, which affects the respective properties; specifically, the protective layer 23 can be a glass glaze layer.
  • a heating element 21 is provided to accommodate and heat the aerosol to form a matrix when energized; at the same time, at least two electrodes 22 are arranged on the heating element 21 at intervals to pass the at least two electrodes 22 It is connected to the external power supply, so that the heating body 21 is energized; wherein, because the heating body 21 itself can exist independently, without being attached to other carriers, compared with the existing heating body silk-printed on the ceramic substrate, the heating body of the present application 21 does not have the problem of falling off from the ceramic base during high temperature heating and causing failure, which greatly improves the stability of the heating assembly 20; at the same time, due to the integrated structure of the heating body 21
  • the heating body 21 has a relatively simple structure, and the difficulty of the manufacturing process and the production cost are both low.
  • FIG. 6 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application.
  • an aerosol forming device 100 is provided, and the aerosol forming device 100 may include a housing 10 , a heating assembly 20 disposed in the housing 10 , a mounting seat 30 , a controller (not shown) and Power supply assembly 40 .
  • the heating component 20 may specifically be the heating component 20 involved in any of the above-mentioned embodiments, and its specific structure and function can be referred to the relevant description of the heating component 20 in the above-mentioned embodiments, and the same or similar technical effects can be achieved. This will not be repeated here.
  • the mounting seat 30 is used to fix the heating assembly 20 on the housing 10 ; specifically, the mounting seat 30 includes a mounting body, and the mounting body is provided with a through hole, and the heating assembly 20 is specifically inserted into the through hole to be connected with the mounting body.
  • the seat 30 is installed; in the specific embodiment, the part of the heating body 21 that avoids the electrode 22 is inserted into the through hole, and the mounting seat 30 can be located at the position close to the end of the heating body 21; in the specific embodiment , the side wall of the through hole can also be provided with an avoidance groove, and the external lead 50 extends into the mounting seat 30 through the avoidance groove to connect with the electrode 22 on the heating body 21 that is far away from the mounting seat 30; it can be understood that, When at least two electrodes 22 are both led to the second connection end, the escape groove may not be provided.
  • the installation body is further provided with at least two clamping portions, and the mounting seat 30 is specifically fixed to the housing 10 of the aerosol forming device 100 through the clamping portions.
  • the controller is connected to the heating assembly 20 for controlling the heating assembly 20 to generate heat when the heating assembly 20 is energized; specifically, the heating assembly 20 may be the heating assembly 20 corresponding to the above at least three or at least five electrodes 22;
  • the controller controls the at least two heating areas on the heating assembly 20 to sequentially heat the aerosol-forming substrate at the corresponding position, that is, controls each heating area to start heating successively, to simulate the atomization of the aerosol-forming substrate from one end to the other. process.
  • the controller controls the heating temperature of each heating area to be consistent, so that the aerosol-forming substrates corresponding to each heating area can be heated at the same temperature, thereby ensuring that the user's suction taste is consistent; or the controller
  • the heating temperature of the heating area after heating is controlled to be lower than the heating temperature of the heating area before heating, so as to avoid the problem that the heating temperature of the heating area after heating is too high and the aerosol-forming substrate is scorched.
  • the power supply component 40 is connected to the heating component 20 for supplying power to the heating component 20; and in one embodiment, the power supply component 40 may specifically be a rechargeable lithium-ion battery.
  • a heating element 20 is provided, and the heating element 20 is arranged to include a heating element 21 to accommodate and heat the aerosol to form a matrix when energized; at the same time, by setting the heating element 21 at intervals At least two electrodes 22 are connected to the external power supply through the at least two electrodes 22, so that the heating body 21 can be energized; wherein, because the heating body 21 can exist independently, it does not need to rely on other carriers to exist, compared with the existing silk screen printing For the heating element on the ceramic substrate, the heating element 21 of the present application will not have the problem of falling off from the ceramic substrate during high temperature heating and causing failure, which greatly improves the stability of the heating assembly 20; at the same time, because the heating element 21 is a Compared with the heating body 21 formed by the multi-layer structure, the integrally formed structure has a simpler structure, and the difficulty of the manufacturing process and the production cost are both lower.

Abstract

A heating assembly (20) and an aerosol forming device (100) comprising the heating assembly (20). The heating assembly (20) comprises a heating body (21) and at least two electrodes (22); the heating body (21) is used for accommodating and heating an aerosol forming matrix when electrified; the at least two electrodes (22) are provided on the heating body (21) at an interval and used for connection to an external power supply so that the heating body (21) is electrified. The heating assembly (20) has good stability, a simple structure, and low process difficulty and manufacturing cost.

Description

加热组件及气溶胶形成装置Heating element and aerosol forming device
相关申请的交叉引用CROSS-REFERENCE TO RELATED APPLICATIONS
本申请基于2021年05月06日提交的中国专利申请2021104920864主张其优先权，此处通过参照引入其全部的记载内容。This application claims priority based on Chinese patent application 2021104920864 filed on May 6, 2021, the entire contents of which are incorporated herein by reference.
【技术领域】【Technical field】
本发明涉及雾化设备技术领域，尤其涉及一种加热组件及气溶胶形成装置。The invention relates to the technical field of atomization equipment, in particular to a heating assembly and an aerosol forming device.
【背景技术】【Background technique】
电子烟作为香烟替代品，因其具有使用安全、方便、健康、环保等优点，而越来越受到人们的关注和青睐；比如，加热不燃烧电子烟，亦称为加热不燃烧气溶胶形成装置。As a substitute for cigarettes, electronic cigarettes have attracted more and more attention and favor because of their advantages of safety, convenience, health, and environmental protection; for example, heat-not-burn electronic cigarettes, also known as heat-not-burn aerosol-forming devices .
现有的加热不燃烧气溶胶形成装置，其一般包括加热组件，以通过加热组件加热并雾化气溶胶形成基质；目前，加热组件主要采用陶瓷或经绝缘处理的金属作基底，然后在基底上印刷或镀膜电阻发热线路，并经高温处理后使电阻发热线路固定在基底上而形成；但这种加热组件在后期使用过程中，极易因基板的弯曲形，该电阻发热线路经过高温发热时容易从基底上脱落，稳定性差；而其他加热组件，其一般通过多层结构形成，结构较为复杂，工艺难度及制造成本较高。Existing heat-not-burn aerosol-forming devices generally include a heating element to heat and atomize the aerosol-forming substrate through the heating element; The resistance heating circuit is printed or coated, and is formed by fixing the resistance heating circuit on the substrate after high temperature treatment; however, in the later use of this heating component, it is very easy for the resistance heating circuit to be heated at high temperature due to the bent shape of the substrate. It is easy to fall off from the substrate and has poor stability; while other heating components are generally formed by a multi-layer structure, which is complicated in structure, difficult in process and high in manufacturing cost.
【发明内容】[Content of the invention]
本申请提供一种加热组件及气溶胶形成装置，该加热组件能够解决现有加热组件上的电阻发热线路经过高温发热时，容易从基底上脱落，稳定性差，且结构较为复杂，工艺难度及制造成本较高的问题。The present application provides a heating assembly and an aerosol forming device. The heating assembly can solve the problem that when the resistance heating circuit on the existing heating assembly is heated at a high temperature, it is easy to fall off from the substrate, the stability is poor, the structure is relatively complicated, the process is difficult and the manufacturing process is difficult. higher cost issues.
为解决上述技术问题，本申请采用的一个技术方案是：提供一种加 热组件。该加热组件包括发热体和至少两个电极；其中，发热体用于收容并在通电时加热气溶胶形成基质；至少两个电极间隔设置于发热体上，用于与外部电源连通，以使发热体通电。In order to solve the above technical problems, a technical solution adopted in this application is to provide a heating assembly. The heating assembly includes a heating element and at least two electrodes; wherein, the heating element is used to accommodate and heat the aerosol to form a matrix when energized; at least two electrodes are arranged on the heating element at intervals and are used to communicate with an external power source, so as to generate heat body electrified.
其中，发热体呈管状，且发热体具有第一连接端和与第一连接端相对的第二连接端；电极沿发热体的周向方向绕设。Wherein, the heating body is tubular, and the heating body has a first connection end and a second connection end opposite to the first connection end; the electrodes are wound along the circumferential direction of the heating body.
其中，发热体为圆柱状，电极呈封闭环状。Among them, the heating element is cylindrical, and the electrodes are closed annular.
其中，电极呈圆环状。Among them, the electrodes are annular.
其中，发热体为圆柱状，电极呈非封闭环状。Among them, the heating element is cylindrical, and the electrodes are non-closed annular.
其中，电极的数量为二，两个电极中的其中一个电极设置在靠近第一连接端的位置，另一个电极设置在靠近第二连接端的位置。Wherein, the number of electrodes is two, one of the two electrodes is arranged at a position close to the first connection end, and the other electrode is arranged at a position close to the second connection end.
其中，电极的数量至少为三个，至少三个电极沿发热体的长度方向间隔设置，且至少三个电极限定形成至少两个发热区。Wherein, the number of electrodes is at least three, the at least three electrodes are arranged at intervals along the length direction of the heating body, and the at least three electrodes define at least two heating regions.
其中，电极的数量至少为五个，至少五个电极沿发热体的长度方向等间隔设置，且至少五个电极中的两个电极分别设置于发热体的相对的两端。The number of electrodes is at least five, the at least five electrodes are arranged at equal intervals along the length direction of the heating body, and two of the at least five electrodes are respectively arranged at opposite ends of the heating body.
其中，至少三个或至少五个电极中的其中一个电极呈闭环状，并位于发热体的靠近第一连接端的位置，其余电极呈具有缺口的环状；加热组件还包括与至少三个电极一一对应设置的电极延伸部，电极延伸部的一端与对应的电极电连接，另一端通过缺口延伸至发热体的靠近第二连接端的位置。Wherein, one of the at least three or at least five electrodes is in the form of a closed loop and is located near the first connection end of the heating element, and the rest of the electrodes are in the form of a loop with a gap; A correspondingly arranged electrode extension part, one end of the electrode extension part is electrically connected with the corresponding electrode, and the other end is extended to the position of the heating element close to the second connection end through the gap.
其中，其余电极的缺口的排列方向平行于发热体的轴向方向，缺口的横向尺寸沿远离闭环状的电极的方向逐渐增大，电极延伸部的延伸方向平行于发热体的轴向方向。The arrangement direction of the gaps of the remaining electrodes is parallel to the axial direction of the heating element, the lateral dimension of the gaps gradually increases along the direction away from the closed-ring electrodes, and the extending direction of the electrode extension is parallel to the axial direction of the heating body.
其中，二个、至少三个或至少五个电极的每个电极均呈封闭环形。Wherein, each electrode of the two, at least three or at least five electrodes is in a closed ring shape.
其中，管状的发热体还具有一底壁，底壁设置在发热体的其中一个端口，以封闭端口。Wherein, the tubular heating element also has a bottom wall, and the bottom wall is arranged on one of the ports of the heating element to close the port.
其中，底壁上开设有若干通气孔，通气孔贯穿底壁的第一表面和与第一表面相背设置的第二表面。The bottom wall is provided with a plurality of ventilation holes, and the ventilation holes penetrate through the first surface of the bottom wall and the second surface opposite to the first surface.
其中，还包括保护层，涂覆在发热体的表面并将电极覆盖。Among them, a protective layer is also included, which is coated on the surface of the heating body and covers the electrodes.
其中，发热体由导电陶瓷材料制成；导电陶瓷材料的导电率为1*10 -4Ω.m至1*10 -6Ω.m。 Wherein, the heating element is made of conductive ceramic material; the conductivity of the conductive ceramic material is 1*10 -4 Ω.m to 1*10 -6 Ω.m.
其中，发热体包括主要成分及晶体成分；主要成分为锰、锶、镧、锡、锑、锌、铋中的一种或多种，晶体成分为锰酸镧、锰酸锶镧、氧化锡、氧化锌、氧化锑、氧化铋中的一种或多种。Among them, the heating element includes main components and crystal components; the main components are one or more of manganese, strontium, lanthanum, tin, antimony, zinc, and bismuth, and the crystal components are lanthanum manganate, lanthanum strontium manganate, tin oxide, One or more of zinc oxide, antimony oxide and bismuth oxide.
为解决上述技术问题，本申请采用的另一个技术方案是：提供一种气溶胶形成装置。该气溶胶形成装置包括壳体、加热组件、控制器和电源组件；其中，电源组件与加热组件电连接，用于向加热组件供电，加热组件为上述所涉及的加热组件；控制器与加热组件连接，用于在加热组件通电时控制加热组件发热。In order to solve the above technical problem, another technical solution adopted in the present application is to provide an aerosol forming device. The aerosol forming device includes a housing, a heating assembly, a controller and a power source assembly; wherein, the power source assembly is electrically connected to the heating assembly for supplying power to the heating assembly, and the heating assembly is the above-mentioned heating assembly; the controller and the heating assembly Connection for controlling the heating element to heat up when the heating element is energized.
其中，加热组件为上述所涉及的加热组件；控制器控制至少两个发热区依序对相应位置处的气溶胶形成基质进行加热。Wherein, the heating component is the above-mentioned heating component; the controller controls the at least two heating regions to sequentially heat the aerosol-forming substrate at the corresponding position.
其中，控制器控制每一发热区的发热温度一致；或控制器控制后发热的发热区的发热温度低于先发热的发热区的发热温度。Wherein, the heating temperature of each heating area controlled by the controller is consistent; or the heating temperature of the heating area that generates heat after the controller controls is lower than the heating temperature of the heating area that generates heat first.
本申请提供的加热组件和电子雾化装置，该加热组件通过设置发热体，以收容并在通电时加热气溶胶形成基质；同时，通过在发热体上间隔设置至少两个电极，以通过至少两个电极与外部电源连通，从而使发热体通电；其中，由于该发热体本身能够独立存在，无需依附其它载体而存在，相比于现有丝印在陶瓷基底上的发热体，本申请的发热体不会出现经过高温发热时从陶瓷基底上脱落而导致失效的问题，大大提高了加热组件的稳定性；同时，由于该发热体为一体成型的结构，相比于多层结构形成的发热体，结构较为简单，制作工艺的难度及生产成本均较低。In the heating assembly and the electronic atomization device provided by the present application, the heating assembly is provided with a heating body to accommodate and heat the aerosol to form a matrix when energized; Each electrode is connected to an external power source, so that the heating body is energized; wherein, since the heating body itself can exist independently without being attached to other carriers, compared with the existing heating body silk-printed on the ceramic substrate, the heating body of the present application There is no problem of failure caused by falling off the ceramic substrate after high temperature heating, which greatly improves the stability of the heating assembly; at the same time, due to the integrated structure of the heating element, compared with the heating element formed by the multi-layer structure, The structure is relatively simple, and the difficulty of the manufacturing process and the production cost are low.
【附图说明】【Description of drawings】
图1为本申请第一实施例提供的加热组件的主视示意图；1 is a schematic front view of a heating assembly provided by a first embodiment of the present application;
图2a为本申请一具体实施例提供的图1所示结构的立体结构示意图；2a is a schematic three-dimensional structural diagram of the structure shown in FIG. 1 provided by a specific embodiment of the application;
图2b为本申请另一具体实施例提供的图1所示结构的立体结构示 意图；Fig. 2b is a three-dimensional schematic diagram of the structure shown in Fig. 1 provided by another specific embodiment of the application;
图2c为本申请又一具体实施例提供的图1所示结构的立体结构示意图；Fig. 2c is a schematic three-dimensional structural diagram of the structure shown in Fig. 1 provided by another specific embodiment of the present application;
图3为本申请第二实施例提供的加热组件的主视示意图；3 is a schematic front view of a heating assembly provided by the second embodiment of the present application;
图4为本申请第三实施例提供的加热组件的主视示意图；4 is a schematic front view of a heating assembly provided by a third embodiment of the present application;
图5为本申请第四实施例提供的加热组件的主视示意图；5 is a schematic front view of a heating assembly provided by a fourth embodiment of the present application;
图6为本申请一实施例提供的电子雾化装置的结构示意图。FIG. 6 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application.
【具体实施方式】【Detailed ways】
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
本申请中的术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、“第三”的特征可以明示或者隐含地包括至少一个该特征。本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。本申请实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、***、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。The terms "first", "second" and "third" in this application are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", "third" may expressly or implicitly include at least one of that feature. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. All directional indications (such as up, down, left, right, front, rear...) in the embodiments of the present application are only used to explain the relative positional relationship between components under a certain posture (as shown in the accompanying drawings). , motion situation, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的 独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
下面结合附图和实施例对本申请进行详细的说明。The present application will be described in detail below with reference to the accompanying drawings and embodiments.
请参阅图1至图2c，其中，图1为本申请第一实施例提供的加热组件的主视示意图；图2a为本申请一具体实施例提供的图1所示结构的立体结构示意图；图2b为本申请另一具体实施例提供的图1所示结构的立体结构示意图；图2c为本申请又一具体实施例提供的图1所示结构的立体结构示意图；在本实施例中，提供一种加热组件20，该加热组件20具体用于收容并在通电时加热气溶胶形成基质；其中，气溶胶形成基质具体可为烟草丝、烟支或膏状烟油等。Please refer to FIGS. 1 to 2c, wherein, FIG. 1 is a schematic front view of a heating assembly provided by a first embodiment of the application; FIG. 2a is a schematic three-dimensional structure diagram of the structure shown in FIG. 1 provided by a specific embodiment of the application; FIG. 2b is a schematic three-dimensional structure diagram of the structure shown in FIG. 1 provided by another specific embodiment of the application; FIG. 2c is a three-dimensional structure schematic diagram of the structure shown in FIG. 1 provided by another specific embodiment of the application; A heating assembly 20, the heating assembly 20 is specifically used to accommodate and heat an aerosol-forming substrate when energized; wherein, the aerosol-forming substrate can be shredded tobacco, cigarettes, or paste-like e-liquid, and the like.
具体的，参见图1，加热组件20包括发热体21和至少两个电极22。Specifically, referring to FIG. 1 , the heating assembly 20 includes a heating element 21 and at least two electrodes 22 .
其中，发热体21用于收容气溶胶形成基质，该发热体21既可对容置其中的气溶胶形成基质进行支撑，又能够在通电时加热收容于其中的气溶胶形成基质；其中，由于该发热体21为自支撑结构，即，该发热体21本身能够独立存在，无需依附其它载体而存在，该自支撑结构的发热体21相比于现有将电阻发热元件印刷或镀膜在基底上而形成的加热组件，不会出现经过高温发热时从陶瓷基底上脱落而导致失效的问题，大大提高了加热组件20的稳定性；同时，由于该发热体21是通过***加热的方式对气溶胶形成基质的周向方向同时进行加热，有效提高了气溶胶形成基质的加热均匀性，预设的温度场边界清楚，特别是低压启动便于功率即时控制和设计。Wherein, the heating element 21 is used for accommodating the aerosol-forming substrate, and the heating element 21 can not only support the aerosol-forming substrate accommodated therein, but also heat the aerosol-forming substrate accommodated therein when energized; wherein, due to the The heating body 21 is a self-supporting structure, that is, the heating body 21 itself can exist independently without being attached to other carriers. The heating body 21 of the self-supporting structure is more efficient than the existing printing or coating of the resistance heating element on the substrate. The formed heating element does not have the problem of falling off from the ceramic substrate during high temperature heating and causing failure, which greatly improves the stability of the heating element 20; at the same time, because the heating element 21 is formed by peripheral heating to the aerosol The circumferential direction of the substrate is heated at the same time, which effectively improves the heating uniformity of the aerosol-forming substrate, and the preset temperature field has a clear boundary. Especially, low-pressure startup facilitates instant power control and design.
具体的，该发热体21为一体成型结构；其具体可采用干压或注模成型以制得坯体，然后对成型的坯体进行烧结成型而制得；该一体成型的发热体21相比于多层结构形成的发热体，结构较为简单，制作工艺的难度及生产成本均较低。Specifically, the heating body 21 has an integral molding structure; it can be produced by dry pressing or injection molding to obtain a blank, and then sintering and molding the formed blank; The heating element formed in the multi-layer structure has a relatively simple structure, and the difficulty of the manufacturing process and the production cost are both low.
具体的，参见图2a，发热体21可呈管状，管状的发热体21具有沿其长度方向相对设置的第一连接端和第二连接端；优选地，发热体21可呈圆柱状；在一具体实施例中，参见图2a，发热体21沿其长度方向形成有一贯通孔211，气溶胶形成基质从贯通孔211的一端开口***发 热体21内，以通过发热体21对气溶胶形成基质进行***加热；在该实施例中，加热形成的气溶胶可通过贯通孔211的开口端流出；具体的，贯通孔211可以与气溶胶形成基质(如烟支)的外部轮廓一致；在另一具体实施例中，参见图2b，发热体21还具有一底壁212，底壁212具有相背设置的第一表面和第二表面；在具体实施例中，底壁212可设置在贯通孔211靠近第一连接端或第二连接端的端口，以通过该底壁212封堵贯通孔211的一端端口，进而对容置在贯通孔211内的气溶胶形成基质进行限位；可以理解的是，在该实施例中，发热体21实质呈桶状，气溶胶形成基质从桶状的发热体21的开口端***发热体21内，且加热形成的气溶胶具体通过桶状的发热体21的开口端流出；在又一具体实施例中，参见图2c，底壁212上还可开设若干通气孔213，通气孔213贯穿底壁212的第一表面和第二表面，以使加热形成的气溶胶也可同时通过通气孔213从桶状的发热体21内流出；具体的，若干通气孔213可在底壁212上均匀分布。Specifically, referring to Fig. 2a, the heating body 21 can be in a tubular shape, and the tubular heating body 21 has a first connection end and a second connection end oppositely arranged along its length direction; preferably, the heating body 21 can be in a cylindrical shape; In a specific embodiment, referring to FIG. 2 a , the heating body 21 is formed with a through hole 211 along its length direction, and the aerosol-forming substrate is inserted into the heating body 21 from one end opening of the through hole 211 , so that the aerosol-forming substrate can be heated by the heating body 21 . Peripheral heating; in this embodiment, the aerosol formed by heating can flow out through the open end of the through hole 211; specifically, the through hole 211 can be consistent with the outer contour of the aerosol-forming substrate (such as a cigarette); in another specific In an embodiment, referring to FIG. 2b, the heating element 21 further has a bottom wall 212, and the bottom wall 212 has a first surface and a second surface opposite to each other; The port of the first connection end or the second connection end is used to block one end port of the through hole 211 through the bottom wall 212, thereby limiting the position of the aerosol-forming substrate accommodated in the through hole 211; In this embodiment, the heating element 21 is substantially barrel-shaped, the aerosol-forming matrix is inserted into the heating element 21 from the open end of the barrel-shaped heating element 21 , and the aerosol formed by heating passes through the open end of the barrel-shaped heating element 21 . In another specific embodiment, referring to FIG. 2c, a plurality of ventilation holes 213 may be opened on the bottom wall 212, and the ventilation holes 213 penetrate through the first surface and the second surface of the bottom wall 212, so that the aerosol formed by heating can also be At the same time, it can flow out from the barrel-shaped heating body 21 through the ventilation holes 213 ; specifically, a plurality of ventilation holes 213 can be evenly distributed on the bottom wall 212 .
具体的，发热体21的材质具体可为导电陶瓷，相比于现有的金属材质，该陶瓷材质的发热体21导电效率较高，加热产生的温度较为均匀：且该陶瓷发热体21的功率可在3至4瓦之间调节和设计，导电率可达1*10 -4Ω.m至1*10 -6Ω.m，抗弯强度大于40MPa，耐火性能高于1200℃；同时该陶瓷发热体21具有全程启动电压的特性。 Specifically, the material of the heating element 21 can be a conductive ceramic. Compared with the existing metal material, the heating element 21 made of the ceramic material has higher electrical conductivity, and the temperature generated by heating is relatively uniform; and the power of the ceramic heating element 21 is higher. It can be adjusted and designed between 3 and 4 watts, the conductivity can reach 1*10 -4 Ω.m to 1*10 -6 Ω.m, the flexural strength is greater than 40MPa, and the fire resistance is higher than 1200℃; at the same time, the ceramic The heating element 21 has the characteristic of starting voltage in the whole process.
具体的，该陶瓷发热体21的材料电磁发热波长为中红外波长，有利于雾化烟油并提升口感；另外，该陶瓷发热体21的晶相结构为高温稳定型的氧化物陶瓷，由于氧化物陶瓷耐疲劳性较好，强度较高，密度较大，从而能够有效避免出现有害重金属挥发及粉尘问题，大大提高了发热体21的使用寿命。Specifically, the electromagnetic heating wavelength of the material of the ceramic heating body 21 is the mid-infrared wavelength, which is conducive to atomizing the e-liquid and improving the taste; in addition, the crystal phase structure of the ceramic heating body 21 is a high temperature stable oxide ceramic. The physical ceramics have good fatigue resistance, high strength and high density, which can effectively avoid the volatilization of harmful heavy metals and dust problems, and greatly improve the service life of the heating element 21 .
可以理解的是，上述采用陶瓷整片发热体21，能够减少最高温度热点面积，消除了疲劳开裂和疲劳电阻增大的风险，具有较好的一致性；且由于该陶瓷发热材料的高强度及微晶结构所带来的光滑度，该发热体21表面较易清洁、不易粘附；另外，采用陶瓷生产工艺制作陶瓷发热体21，陶瓷生产工艺主要包括原料混合、成型及烧结、切割工序，工艺较 为简单且方便控制，成本较低，有利于生产化的推广和经济效益的提高。It can be understood that the above-mentioned use of the whole piece of ceramic heating element 21 can reduce the hot spot area of the highest temperature, eliminate the risk of fatigue cracking and fatigue resistance increase, and have better consistency; The smoothness brought by the microcrystalline structure makes the surface of the heating element 21 easier to clean and not easy to adhere; in addition, the ceramic heating element 21 is made by using a ceramic production process. The ceramic production process mainly includes raw material mixing, molding and sintering, and cutting processes. The process is relatively simple and convenient to control, and the cost is low, which is beneficial to the popularization of production and the improvement of economic benefits.
具体的，该导电陶瓷发热体21具体包括主要成分及晶体成分；其中，主要成分用于导电并使导电陶瓷的发热体21形成一定的电阻；主要成分具体可为锰、锶、镧、锡、锑、锌、铋中的一种或多种；晶体成分，即，陶瓷材料的主料，晶体成分具体可为锰酸镧、锰酸锶镧、氧化锡、氧化锌、氧化锑、氧化铋中的一种或多种。在其他实施方式中，发热体21也可以是金属合金制成或铁硅合金制成或者铁硅铝合金制成的陶瓷合金。Specifically, the conductive ceramic heating body 21 specifically includes main components and crystal components; wherein, the main components are used to conduct electricity and make the conductive ceramic heating body 21 form a certain resistance; the main components can specifically be manganese, strontium, lanthanum, tin, One or more of antimony, zinc, and bismuth; the crystal composition, that is, the main material of the ceramic material, the crystal composition can specifically be among lanthanum manganate, lanthanum strontium manganate, tin oxide, zinc oxide, antimony oxide, and bismuth oxide. one or more of. In other embodiments, the heating element 21 may also be made of a metal alloy or a ceramic alloy made of an iron-silicon alloy or an iron-silicon aluminum alloy.
其中，至少两个电极22间隔设置于发热体21上，用于与外部电源连通，以使发热体21通电；电极22通过丝印导电浆料的方式印刷于发热体21上，进一步的，电极22可通过焊接外接引线50(见下图6)与外部电源连接；当然，在其他实施例中，也可通过在发热体21的外周套设金属电极管，以使电极22与外接电源连接，进而使发热体21发热。Among them, at least two electrodes 22 are arranged on the heating body 21 at intervals, and are used to communicate with an external power source so as to energize the heating body 21; the electrodes 22 are printed on the heating body 21 by means of screen printing conductive paste. It can be connected to the external power supply by welding the external lead 50 (see Figure 6 below); of course, in other embodiments, a metal electrode tube can also be set on the outer periphery of the heating body 21, so that the electrode 22 is connected to the external power supply, and then The heating element 21 is heated.
具体的，至少两个电极22可沿发热体21的长度方向间隔设置，且每一电极22可沿发热体21的周向方向绕设；在一具体实施例中，绕设在发热体21上的电极22可呈封闭环状；优选地，电极22可呈圆环状；当然，在其他实施例中，电极22也可呈相对于发热体21的轴向倾斜的椭圆状或其他形状；在另一具体实施例中，电极22也可以呈非封闭环状；非封闭环状即具有缺口的环状。Specifically, at least two electrodes 22 can be arranged at intervals along the length direction of the heating body 21, and each electrode 22 can be wound along the circumferential direction of the heating body 21; in a specific embodiment, it is wound on the heating body 21 The electrode 22 can be in a closed ring shape; preferably, the electrode 22 can be in a circular shape; of course, in other embodiments, the electrode 22 can also be in an ellipse shape or other shape inclined relative to the axial direction of the heating body 21; In another specific embodiment, the electrode 22 may also be a non-closed ring; the non-closed ring is a ring with a gap.
在具体实施例中，可采用涂覆的方式在发热体21上形成电极22，以提高电极22与发热体21之间的结合力，从而提高连接至电极22上的外接引线50(见下图6)与发热体21之间的连接稳定性；可以理解的是，陶瓷具有微孔结构，陶瓷的微孔结构能够使得在涂覆厚度较大的情况下仍然使形成的电极22与发热体21之间的结合力较强，从而大大提高电极22与发热体21之间的结合力。具体的，上述涂覆材料可选用银浆。可以理解也可以通过沉积金属膜的方式形成电极22，例如沉积金、铂、铜等高于1*10 -6Ω.m的金属材料。 In a specific embodiment, the electrode 22 can be formed on the heating body 21 by coating, so as to improve the bonding force between the electrode 22 and the heating body 21, thereby improving the external lead 50 connected to the electrode 22 (see the figure below). 6) The stability of the connection with the heating element 21; it can be understood that the ceramic has a microporous structure, and the microporous structure of the ceramic can make the formed electrode 22 and the heating element 21 still be formed even when the coating thickness is large. The bonding force between them is strong, thereby greatly improving the bonding force between the electrode 22 and the heating body 21 . Specifically, the above-mentioned coating material can be selected from silver paste. It can be understood that the electrode 22 can also be formed by depositing a metal film, for example, depositing gold, platinum, copper and other metal materials higher than 1*10 -6 Ω·m.
在一实施例中，参见图1，电极22的数量为二，两个电极22中的其中一个电极22设置在发热体21的靠近第一连接端的位置，另一个电 极22设置在发热体21的靠近第二连接端的位置；当两个电极22通过外接引线50与电源连通时，发热体21的第一连接端和第二连接端之间的部分开始发热并对收容于其中的气溶胶形成基质进行加热。In one embodiment, referring to FIG. 1 , the number of electrodes 22 is two, one electrode 22 of the two electrodes 22 is arranged at a position close to the first connection end of the heating body 21 , and the other electrode 22 is arranged at the position of the heating body 21 . The position close to the second connection end; when the two electrodes 22 are connected to the power supply through the external lead 50, the part between the first connection end and the second connection end of the heating element 21 begins to generate heat and forms a matrix for the aerosol contained therein to heat.
在另一实施例中，参见图3，图3为本申请第二实施例提供的加热组件的主视示意图；在本实施例中，电极22的数量至少为三个，至少三个电极22沿发热体21的长度方向间隔设置，优选地，至少三个电极22沿发热体21的长度方向等间隔设置；且至少三个电极22限定形成至少两个发热区；同时，至少三个电极22中的两个电极22分别设置于发热体21的第一连接端和第二连接端；在一具体实施例中，相邻两个发热区直接连接，这样能够保证收容在发热体21内的每个位置所对应的气溶胶形成基质均能被较好的加热，从而提高气溶胶形成基质的利用率。In another embodiment, see FIG. 3 , which is a schematic front view of the heating assembly provided by the second embodiment of the application; in this embodiment, the number of electrodes 22 is at least three, and the at least three electrodes 22 are along the The length direction of the heating body 21 is arranged at intervals, preferably, at least three electrodes 22 are arranged at equal intervals along the length direction of the heating body 21; and at least three electrodes 22 are defined to form at least two heating regions; The two electrodes 22 are respectively arranged at the first connection end and the second connection end of the heating body 21; in a specific embodiment, two adjacent heating regions are directly connected, so that each The aerosol-forming substrates corresponding to the positions can be well heated, thereby improving the utilization rate of the aerosol-forming substrates.
在具体实施例中，至少两个发热区沿发热体21的长度方向依次开始通电并发热，以依序对相应位置处的气溶胶形成基质进行加热，从而模仿气溶胶形成基质从一端逐渐燃烧到另一端的过程，并保证用户抽吸口感的一致性。In a specific embodiment, the at least two heat generating regions start to energize and generate heat in sequence along the length direction of the heat generating body 21, so as to sequentially heat the aerosol-forming substrate at the corresponding position, thereby imitating the gradual burning of the aerosol-forming substrate from one end to the The other end of the process, and to ensure the consistency of the user's suction taste.
具体的，各个发热区的发热温度一致，以使各个发热区所对应的气溶胶形成基质能够在同一温度下被加热，从而保证用户的抽吸口感一致；当然，在其他实施例中，后发热的发热区的发热温度也可低于先发热的发热区的发热温度，以避免后发热的发热区的温度过高而导致气溶胶形成基质被烧焦的问题发生；可以理解的是，先发热的发热区在对其所对应的气溶胶形成基质进行加热的同时，发热温度也会传导至后发热区所对应的气溶胶形成基质，以对后发热的发热区所对应的气溶胶形成基质进行加热，即，在先发热的发热区对其所对应的气溶胶形成基质进行加热的过程中，部分后发热的发热区所对应的气溶胶形成基质也会被部分加热，因此，在开启后发热的发热区以对其所对应的气溶胶形成基质进行加热时，可控制后发热的发热区所对应的发热温度略低于先发热的发热区的发热温度。Specifically, the heating temperature of each heating area is the same, so that the aerosol-forming substrates corresponding to each heating area can be heated at the same temperature, so as to ensure that the user's suction taste is consistent; of course, in other embodiments, after heating The heating temperature of the heating area can also be lower than the heating temperature of the heating area that generates heat first, so as to avoid the problem that the temperature of the heating area that generates heat later is too high and the aerosol-forming substrate is scorched; While heating the corresponding aerosol-forming substrate in the heating area, the heating temperature will also be transmitted to the aerosol-forming substrate corresponding to the post-heating area, so that the aerosol-forming substrate corresponding to the post-heating heating area can be heated. Heating, that is, in the process of heating the corresponding aerosol-forming substrate in the first-generating heat-generating area, the aerosol-forming substrate corresponding to part of the later-generating heat-generating area will also be partially heated. When heating the corresponding aerosol-forming substrate in the heat-generating area, the heat-generating temperature corresponding to the heat-generating area that can be controlled later is slightly lower than the heat-generating temperature of the heat-generating area that generates heat first.
在又一实施例中，电极22的数量至少为五个，至少五个电极22沿 发热体21的长度方向等间隔设置，且至少五个电极22中的两个电极22分别设置于发热体21的第一连接端和第二连接端；同时，至少五个电极22限定形成至少两个发热区，至少两个发热区的具体特征可参见上述关于电极22的数量至少为三个的实施例中的文字描述，且可实现相同或相似的技术效果，在此不再赘述。In yet another embodiment, the number of electrodes 22 is at least five, the at least five electrodes 22 are arranged at equal intervals along the length direction of the heating body 21 , and two electrodes 22 of the at least five electrodes 22 are respectively arranged on the heating body 21 At the same time, at least five electrodes 22 are defined to form at least two heat-generating areas, and the specific characteristics of the at least two heat-generating areas can be found in the above-mentioned embodiment about the number of electrodes 22 being at least three. and can achieve the same or similar technical effects, which will not be repeated here.
在一具体实施例中，上述至少两个电极22、至少三个电极22和/或至少五个电极22中的每个电极22均呈封闭圆环状，外接引线50直接直接与每一电极22连接以实现二者的连通。In a specific embodiment, each of the above-mentioned at least two electrodes 22, at least three electrodes 22 and/or at least five electrodes 22 is in the shape of a closed circular ring, and the external lead 50 is directly connected to each electrode 22. Connect to achieve the connection between the two.
在另一具体实施例中，参见图4，图4为本申请第三实施例提供的加热组件的主视示意图；为了方便将外接引线50与电极22连通，在该实施例中，加热组件20还包括与至少两个、至少三个或至少五个电极22一一对应设置的电极延伸部221，电极延伸部221的一端与对应的电极22电连接，另一端延伸至发热体21的同一个位置，例如同一个端部；具体的，至少两个、至少三个或至少五个电极22中的其中一个电极22呈封闭环状，并位于发热体21的靠近第一连接端的位置，其余电极22呈具有缺口的环状，每一电极延伸部221的一端与对应的电极22电连接后，具体通过其余电极22所对应的缺口延伸至发热体21的靠近第二连接端的位置，以将各个电极22均引至第二连接端并与外接引线50连通。In another specific embodiment, referring to FIG. 4 , FIG. 4 is a schematic front view of the heating assembly provided by the third embodiment of the application; for the convenience of connecting the external lead 50 with the electrode 22 , in this embodiment, the heating assembly 20 It also includes electrode extension parts 221 which are arranged in one-to-one correspondence with at least two, at least three or at least five electrodes 22. One end of the electrode extension part 221 is electrically connected to the corresponding electrode 22, and the other end extends to the same electrode of the heating body 21. position, for example, the same end; specifically, one of the at least two, at least three or at least five electrodes 22 is in a closed ring shape and is located near the first connection end of the heating element 21, and the remaining electrodes 22 is in the shape of a ring with a gap. After one end of each electrode extension 221 is electrically connected to the corresponding electrode 22, it extends to the position of the heating body 21 near the second connection end through the gap corresponding to the remaining electrodes 22, so as to connect each electrode 22. The electrodes 22 are all led to the second connection end and communicated with the external lead 50 .
在具体实施例中，上述电极延伸部221与电极22可采用同样的方式同时形成，且电极延伸部221的具体材质可与电极22的材质相同，在此不做限定。具体的，每一电极22所对应的电极延伸部221的延伸方向可平行于发热体21的轴向方向，这样不仅方便制作，且节约成本。In a specific embodiment, the electrode extension portion 221 and the electrode 22 can be formed simultaneously in the same manner, and the specific material of the electrode extension portion 221 can be the same as that of the electrode 22 , which is not limited herein. Specifically, the extending direction of the electrode extending portion 221 corresponding to each electrode 22 can be parallel to the axial direction of the heating element 21 , which is not only convenient for manufacture, but also saves cost.
具体的，其余电极22的缺口的排列方向平行于发热体21的轴向方向，且至少两个、至少三个或至少五个电极22所对应的缺口，其横向尺寸沿远离封闭环状的电极22的方向逐渐增大，以保证各个电极延伸部221均能通过当前缺口延伸至发热体21的靠近第二连接端的位置；其中，缺口的横向尺寸具体是指缺口沿发热体21的周向方向的尺寸。Specifically, the arrangement direction of the gaps of the remaining electrodes 22 is parallel to the axial direction of the heating body 21 , and the gaps corresponding to at least two, at least three or at least five electrodes 22 have a lateral dimension along the distance away from the closed annular electrode. The direction of 22 gradually increases to ensure that each electrode extension 221 can extend through the current gap to the position of the heating body 21 close to the second connection end; wherein, the lateral size of the gap specifically refers to the gap along the circumferential direction of the heating body 21. size of.
在一个实施例中，电极延伸部221均为直线型且沿着发热体21轴 向延伸，呈封闭环状的电极22对应的电极延伸部221设置于缺口的中部，其他电极22的电极延伸部221对称设置于与呈封闭环状的电极22对应的电极延伸部221的相对两侧。例如，五个电极22分别定义为第一电极22、第二电极22、第三电极22、第四电极22、第五电极22，与五个电极22对应的电极延伸部221分别定义为第一电极延伸部221、第二电极延伸部221、第三电极延伸部221、第四电极延伸部221、第五电极延伸部221；第一电极22呈闭环状，与第一电极22对应的第一电极延伸部221设置于缺口的中部，第一电极延伸部221和第三电极延伸部221设置于第一电极延伸部221的第一侧，第二电极延伸部221和第四电极延伸部221设置于第一电极延伸部221的与第一侧相对的第二侧。In one embodiment, the electrode extension parts 221 are all linear and extend along the axial direction of the heating body 21 , the electrode extension parts 221 corresponding to the closed ring-shaped electrodes 22 are arranged in the middle of the gap, and the electrode extension parts of the other electrodes 22 The electrodes 221 are symmetrically arranged on opposite sides of the electrode extending portion 221 corresponding to the closed ring-shaped electrode 22 . For example, the five electrodes 22 are respectively defined as the first electrode 22, the second electrode 22, the third electrode 22, the fourth electrode 22, and the fifth electrode 22, and the electrode extension parts 221 corresponding to the five electrodes 22 are respectively defined as the first electrode 22 The electrode extension part 221 , the second electrode extension part 221 , the third electrode extension part 221 , the fourth electrode extension part 221 , and the fifth electrode extension part 221 ; The electrode extension part 221 is arranged in the middle of the notch, the first electrode extension part 221 and the third electrode extension part 221 are arranged on the first side of the first electrode extension part 221 , and the second electrode extension part 221 and the fourth electrode extension part 221 are arranged on the second side of the first electrode extension portion 221 opposite to the first side.
在一实施例中，参见图5，图5为本申请第四实施例提供的加热组件20的主视示意图；提供另一种加热组件20，与上述任一实施例提供的加热组件20不同的是，该加热组件20还包括保护层23，保护层23涂敷在发热体21的表面并将至少两个电极22覆盖，以对发热体21表面和电极22进行保护，防止发热体21和电极22被腐蚀或污染，影响各自性能；具体的，保护层23可为玻璃釉层。In one embodiment, referring to FIG. 5, FIG. 5 is a schematic front view of the heating assembly 20 provided by the fourth embodiment of the present application; another heating assembly 20 is provided, which is different from the heating assembly 20 provided in any of the above embodiments. Yes, the heating assembly 20 also includes a protective layer 23, the protective layer 23 is coated on the surface of the heating body 21 and covers at least two electrodes 22 to protect the surface of the heating body 21 and the electrodes 22 and prevent the heating body 21 and the electrodes 22. 22 is corroded or polluted, which affects the respective properties; specifically, the protective layer 23 can be a glass glaze layer.
本实施例提供的加热组件20，通过设置发热体21，以收容并在通电时加热气溶胶形成基质；同时，通过在发热体21上间隔设置至少两个电极22，以通过至少两个电极22与外部电源连通，从而使发热体21通电；其中，由于该发热体21本身能够独立存在，无需依附其它载体而存在，相比于现有丝印在陶瓷基底上的发热体，本申请的发热体21不会出现经过高温发热时从陶瓷基底上脱落而导致失效的问题，大大提高了加热组件20的稳定性；同时，由于该发热体21为一体成型的结构，相比于多层结构形成的发热体21，结构较为简单，制作工艺的难度及生产成本均较低。In the heating assembly 20 provided in this embodiment, a heating element 21 is provided to accommodate and heat the aerosol to form a matrix when energized; at the same time, at least two electrodes 22 are arranged on the heating element 21 at intervals to pass the at least two electrodes 22 It is connected to the external power supply, so that the heating body 21 is energized; wherein, because the heating body 21 itself can exist independently, without being attached to other carriers, compared with the existing heating body silk-printed on the ceramic substrate, the heating body of the present application 21 does not have the problem of falling off from the ceramic base during high temperature heating and causing failure, which greatly improves the stability of the heating assembly 20; at the same time, due to the integrated structure of the heating body 21 The heating body 21 has a relatively simple structure, and the difficulty of the manufacturing process and the production cost are both low.
请参阅图6，图6为本申请一实施例提供的电子雾化装置的结构示意图。在本实施例中，提供一种气溶胶形成装置100，该气溶胶形成装置100可包括壳体10和设置在壳体10内的加热组件20、安装座30、控制器(图未示)和电源组件40。Please refer to FIG. 6 , FIG. 6 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application. In this embodiment, an aerosol forming device 100 is provided, and the aerosol forming device 100 may include a housing 10 , a heating assembly 20 disposed in the housing 10 , a mounting seat 30 , a controller (not shown) and Power supply assembly 40 .
其中，加热组件20具体可为上述任一实施例所涉及的加热组件20，其具体结构与功能可参见上述实施例中关于加热组件20的相关描述，且可实现相同或相似的技术效果，在此不再赘述。The heating component 20 may specifically be the heating component 20 involved in any of the above-mentioned embodiments, and its specific structure and function can be referred to the relevant description of the heating component 20 in the above-mentioned embodiments, and the same or similar technical effects can be achieved. This will not be repeated here.
其中，安装座30用于将加热组件20固定在壳体10上；具体的，安装座30包括安装主体，安装主体上设置有通孔，加热组件20具体插接在该通孔中以与安装座30安装；在具体实施例中，发热体21的避开电极22的部分位置插接在该通孔内，且安装座30具体可位于发热体21的靠近端部的位置；在具体实施例中，通孔的侧壁上还可设置有避让槽，外接引线50具体通过该避让槽伸入安装座30内以与发热体21上的远离安装座30的电极22连接；可以理解的是，当至少两个电极22均被引至第二连接端时，可不设置避让槽。进一步地，安装主体上还设置有至少两个卡接部，安装座30具体通过卡接部以与气溶胶形成装置100的壳体10固定。The mounting seat 30 is used to fix the heating assembly 20 on the housing 10 ; specifically, the mounting seat 30 includes a mounting body, and the mounting body is provided with a through hole, and the heating assembly 20 is specifically inserted into the through hole to be connected with the mounting body. The seat 30 is installed; in the specific embodiment, the part of the heating body 21 that avoids the electrode 22 is inserted into the through hole, and the mounting seat 30 can be located at the position close to the end of the heating body 21; in the specific embodiment , the side wall of the through hole can also be provided with an avoidance groove, and the external lead 50 extends into the mounting seat 30 through the avoidance groove to connect with the electrode 22 on the heating body 21 that is far away from the mounting seat 30; it can be understood that, When at least two electrodes 22 are both led to the second connection end, the escape groove may not be provided. Further, the installation body is further provided with at least two clamping portions, and the mounting seat 30 is specifically fixed to the housing 10 of the aerosol forming device 100 through the clamping portions.
其中，控制器与加热组件20连接，用于在加热组件20通电时控制加热组件20发热；具体的，加热组件20可为上述至少三个或至少五个电极22所对应的加热组件20；控制器控制该加热组件20上的至少两个发热区依序对相应位置处的气溶胶形成基质进行加热，即控制各个发热区先后开始发热，以模拟气溶胶形成基质从一端雾化至另一端的过程。The controller is connected to the heating assembly 20 for controlling the heating assembly 20 to generate heat when the heating assembly 20 is energized; specifically, the heating assembly 20 may be the heating assembly 20 corresponding to the above at least three or at least five electrodes 22; The controller controls the at least two heating areas on the heating assembly 20 to sequentially heat the aerosol-forming substrate at the corresponding position, that is, controls each heating area to start heating successively, to simulate the atomization of the aerosol-forming substrate from one end to the other. process.
在具体实施例中，控制器控制每一发热区的发热温度一致，以使各个发热区所对应的气溶胶形成基质能够在同一温度下被加热，从而保证用户的抽吸口感一致；或控制器控制后发热的发热区的发热温度低于先发热的发热区的发热温度，以避免后发热的发热区的发热温度过高而导致气溶胶形成基质被烧焦的问题发生。In a specific embodiment, the controller controls the heating temperature of each heating area to be consistent, so that the aerosol-forming substrates corresponding to each heating area can be heated at the same temperature, thereby ensuring that the user's suction taste is consistent; or the controller The heating temperature of the heating area after heating is controlled to be lower than the heating temperature of the heating area before heating, so as to avoid the problem that the heating temperature of the heating area after heating is too high and the aerosol-forming substrate is scorched.
其中，电源组件40与加热组件20连接，用于向加热组件20供电；且在一实施例中，电源组件40具体可为可充电的锂离子电池。Wherein, the power supply component 40 is connected to the heating component 20 for supplying power to the heating component 20; and in one embodiment, the power supply component 40 may specifically be a rechargeable lithium-ion battery.
本实施例提供的电子雾化装置，通过设置加热组件20，将该加热组件20设置成包括发热体21，以收容并在通电时加热气溶胶形成基质；同时，通过在发热体21上间隔设置至少两个电极22，以通过至少两个电极22与外部电源连通，从而使发热体21通电；其中，由于该发热体 21本身能够独立存在，无需依附其它载体而存在，相比于现有丝印在陶瓷基底上的发热体，本申请的发热体21不会出现经过高温发热时从陶瓷基底上脱落而导致失效的问题，大大提高了加热组件20的稳定性；同时，由于该发热体21为一体成型的结构，相比于多层结构形成的发热体21，结构较为简单，制作工艺的难度及生产成本均较低。In the electronic atomization device provided in this embodiment, a heating element 20 is provided, and the heating element 20 is arranged to include a heating element 21 to accommodate and heat the aerosol to form a matrix when energized; at the same time, by setting the heating element 21 at intervals At least two electrodes 22 are connected to the external power supply through the at least two electrodes 22, so that the heating body 21 can be energized; wherein, because the heating body 21 can exist independently, it does not need to rely on other carriers to exist, compared with the existing silk screen printing For the heating element on the ceramic substrate, the heating element 21 of the present application will not have the problem of falling off from the ceramic substrate during high temperature heating and causing failure, which greatly improves the stability of the heating assembly 20; at the same time, because the heating element 21 is a Compared with the heating body 21 formed by the multi-layer structure, the integrally formed structure has a simpler structure, and the difficulty of the manufacturing process and the production cost are both lower.
以上仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。The above are only the embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied in other related technical fields, All are similarly included in the scope of patent protection of the present application.

Claims (19)

  1. 一种加热组件，其中，包括：A heating assembly, comprising:
    发热体，用于收容并在通电时加热气溶胶形成基质；A heating element for containing and heating the aerosol to form a matrix when energized;
    至少两个电极，间隔设置于所述发热体上，用于与外部电源连通，以使所述发热体通电。At least two electrodes are arranged on the heating body at intervals, and are used to communicate with an external power source, so as to energize the heating body.
  2. 根据权利要求1所述的加热组件，其中，所述发热体呈管状且所述发热体具有第一连接端和与所述第一连接端相对的第二连接端；所述电极沿所述发热体的周向方向绕设。The heating assembly according to claim 1, wherein the heating body is tubular and has a first connecting end and a second connecting end opposite to the first connecting end; the electrode is formed along the heating The body is wound in the circumferential direction.
  3. 根据权利要求2所述的加热组件，其中，所述发热体为圆柱状，所述电极呈封闭环状。The heating assembly according to claim 2, wherein the heating body is cylindrical, and the electrode is a closed ring.
  4. 根据权利要求3所述的加热组件，其中，所述电极呈圆环状。The heating assembly of claim 3, wherein the electrode is annular.
  5. 根据权利要求2所述的加热组件，其中，所述发热体为圆柱状，所述电极呈非封闭环状。The heating assembly according to claim 2, wherein the heating element is cylindrical, and the electrode is a non-closed ring.
  6. 根据权利要求2所述的加热组件，其中，所述电极的数量为二，两个所述电极中的其中一个电极设置在靠近所述第一连接端的位置，另一个电极设置在靠近所述第二连接端的位置。The heating assembly according to claim 2, wherein the number of the electrodes is two, one of the two electrodes is arranged near the first connection end, and the other electrode is arranged near the first connection end. The location of the two connecting ends.
  7. 根据权利要求2所述的加热组件，其中，所述电极的数量至少为三个，至少三个所述电极沿所述发热体的长度方向间隔设置，且至少三个所述电极限定形成至少两个发热区。The heating assembly according to claim 2, wherein the number of the electrodes is at least three, the at least three electrodes are arranged at intervals along the length direction of the heating body, and the at least three electrodes define at least two a hot zone.
  8. 根据权利要求2所述的加热组件，其中，所述电极的数量至少为五个，至少五个所述电极沿所述发热体的长度方向等间隔设置，且至少五个所述电极中的两个电极分别设置于所述发热体的相对的两端。The heating assembly according to claim 2, wherein the number of the electrodes is at least five, the at least five electrodes are arranged at equal intervals along the length direction of the heating body, and two of the at least five electrodes The electrodes are respectively disposed at opposite ends of the heating element.
  9. 根据权利要求7所述的加热组件，其中，至少三个或至少五个所述电极中的其中一个电极呈闭环状，并位于所述发热体的靠近所述第一连接端的位置，其余电极呈具有缺口的环状；所述加热组件还包括与至少三个所述电极一一对应设置的电极延伸部，所述电极延伸部的一端与对应的所述电极电连接，另一端通过所述缺口延伸至所述发热体的靠近所述第二连接端的位置。The heating assembly according to claim 7, wherein one of the at least three or at least five electrodes is in the form of a closed loop and is located near the first connection end of the heating element, and the other electrodes are in the form of a closed loop. A ring shape with a gap; the heating assembly further includes an electrode extension part corresponding to at least three of the electrodes, one end of the electrode extension part is electrically connected to the corresponding electrode, and the other end passes through the gap extending to a position of the heating element close to the second connecting end.
  10. 根据权利要求9所述的加热组件，其中，所述其余电极的缺口的排列方向平行于所述发热体的轴向方向，所述缺口的横向尺寸沿远离所述闭环状的电极的方向逐渐增大，所述电极延伸部的延伸方向平行于所述发热体的轴向方向。The heating assembly according to claim 9, wherein the arrangement direction of the gaps of the remaining electrodes is parallel to the axial direction of the heating body, and the lateral dimension of the gaps gradually increases along the direction away from the closed-loop electrodes. Large, the extending direction of the electrode extension portion is parallel to the axial direction of the heating element.
  11. 根据权利要求6所述的加热组件，其中，所述二个电极的每个电极均呈封闭环形。The heating assembly of claim 6, wherein each electrode of the two electrodes is in the shape of a closed ring.
  12. 根据权利要求2所述的加热组件，其中，所述管状的发热体还具有一底壁，所述底壁设置在所述发热体的其中一个端口，以封闭所述端口。The heating assembly according to claim 2, wherein the tubular heating element further has a bottom wall, and the bottom wall is disposed on one of the ports of the heating element to close the port.
  13. 根据权利要求12所述的加热组件，其中，所述底壁上开设有若干通气孔，所述通气孔贯穿所述底壁的第一表面和与所述第一表面相背设置的第二表面。The heating assembly according to claim 12, wherein the bottom wall is provided with a plurality of ventilation holes, the ventilation holes penetrate through the first surface of the bottom wall and the second surface disposed opposite to the first surface .
  14. 根据权利要求1所述的加热组件，其中，还包括保护层，涂覆在所述发热体的表面并将所述电极覆盖。The heating assembly according to claim 1, further comprising a protective layer coated on the surface of the heating element and covering the electrode.
  15. 根据权利要求1所述的加热组件，其中，所述发热体由导电陶瓷材料制成；所述导电陶瓷材料的导电率为1*10 -4Ω.m至1*10 -6Ω.m。 The heating assembly according to claim 1, wherein the heating body is made of a conductive ceramic material; the conductivity of the conductive ceramic material is 1*10 -4 Ω.m to 1*10 -6 Ω.m.
  16. 根据权利要求1所述的加热组件，其中，所述发热体包括主要成分及晶体成分；所述主要成分为锰、锶、镧、锡、锑、锌、铋中的一种或多种，所述晶体成分为锰酸镧、锰酸锶镧、氧化锡、氧化锌、氧化锑、氧化铋中的一种或多种。The heating assembly according to claim 1, wherein the heating element includes a main component and a crystal component; the main component is one or more of manganese, strontium, lanthanum, tin, antimony, zinc, and bismuth, so The crystal composition is one or more of lanthanum manganate, lanthanum strontium manganate, tin oxide, zinc oxide, antimony oxide and bismuth oxide.
  17. 一种气溶胶形成装置，其中，包括：壳体、加热组件、控制器和电源组件；其中，所述电源组件与所述加热组件电连接，用于向所述加热组件供电，所述加热组件为如权利要求1所述的加热组件；所述控制器与所述加热组件连接，用于在所述加热组件通电时控制所述加热组件发热。An aerosol forming device, comprising: a housing, a heating assembly, a controller and a power source assembly; wherein the power source assembly is electrically connected to the heating assembly for supplying power to the heating assembly, the heating assembly The heating assembly according to claim 1; the controller is connected with the heating assembly, and is used for controlling the heating assembly to generate heat when the heating assembly is energized.
  18. 根据权利要求17所述的气溶胶形成装置，其中，所述加热组件为如权利要求7所述的加热组件；所述控制器控制至少两个所述发热区依序对相应位置处的所述气溶胶形成基质进行加热。The aerosol-forming device according to claim 17, wherein the heating assembly is the heating assembly according to claim 7; the controller controls at least two of the heat-generating regions to sequentially modify the heating elements at corresponding positions The aerosol-forming substrate is heated.
  19. 根据权利要求18所述的气溶胶形成装置，其中，所述控制器 控制每一所述发热区的发热温度一致；或所述控制器控制后发热的发热区的发热温度低于先发热的发热区的发热温度。The aerosol forming device according to claim 18, wherein the heating temperature of each of the heating regions controlled by the controller is consistent; heating temperature in the area.
PCT/CN2022/091266 2021-05-06 2022-05-06 Heating assembly and aerosol forming device WO2022233328A1 (en)

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