WO2024065166A1 - 发热件、发热模块及雾化组件 - Google Patents

发热件、发热模块及雾化组件 Download PDF

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Publication number
WO2024065166A1
WO2024065166A1 PCT/CN2022/121674 CN2022121674W WO2024065166A1 WO 2024065166 A1 WO2024065166 A1 WO 2024065166A1 CN 2022121674 W CN2022121674 W CN 2022121674W WO 2024065166 A1 WO2024065166 A1 WO 2024065166A1
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WIPO (PCT)
Prior art keywords
heating
electrical connection
heating element
connection portion
central axis
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PCT/CN2022/121674
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English (en)
French (fr)
Inventor
杨承志
唐光武
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深圳麦克韦尔科技有限公司
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Application filed by 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Priority to PCT/CN2022/121674 priority Critical patent/WO2024065166A1/zh
Publication of WO2024065166A1 publication Critical patent/WO2024065166A1/zh

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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 present application relates to the field of atomization technology, and more specifically, to a heating element, a heating module and an atomization assembly.
  • Aerosol is a colloidal dispersion system formed by small solid or liquid particles dispersed and suspended in a gas medium. Since aerosol can be absorbed by the human body through the respiratory system, it provides users with a new alternative absorption method.
  • An aerosol generating device refers to a device that forms an aerosol by heating or ultrasound from a stored atomizable aerosol generating matrix. Aerosol generating matrices include liquid, gel, paste or solid aerosol generating matrices. Atomizing these aerosol generating matrices can deliver inhalable aerosols to users, replacing conventional product forms and absorption methods.
  • the atomization assembly in the current aerosol generating device is usually composed of porous materials (such as cotton core, ceramic, glass, etc.), heating elements (heating nets, spring wires), leads and other components.
  • the liquid atomization medium flows through the porous material and is stored near the heating element.
  • the heating element heats the atomization medium to generate aerosol for the user to inhale.
  • the existing heating nets are mostly in the form of superior arc mesh structures, and thus have the disadvantages of low structural strength and easy deformation, thereby affecting the assembly consistency of the aerosol generating device, affecting the life of the aerosol generating device and the stability of the taste.
  • a heating element a heating module and an atomization assembly are provided.
  • a heating element comprising:
  • a heat generating body is wound around a central axis to form a hollow columnar structure, wherein the heat generating body has a core heat generating area circumferentially surrounding the central axis;
  • An intermediate support member circumferentially passing through the core heating zone around the central axis;
  • the heating body when the heating element is in a powered-on state, the heating body generates heat under the action of electric energy, and no current flows through the intermediate supporting element.
  • the heat generating body comprises:
  • the heat generating portion is connected between the first electrical connection portion and the second electrical connection portion, and the heat generating portion forms the core heat generating area.
  • the heat generating body includes at least two heat generating parts, all of the heat generating parts are connected in parallel between the first electrical connection part and the second electrical connection part, and all of the heat generating parts are arranged in sequence around the central axis.
  • the heating unit comprises:
  • At least two heating wires all of which are arranged at intervals along the axial direction;
  • a connecting piece connecting two adjacent heating wires
  • all the heating wires define the heating area, and the intermediate support member passes through between two adjacent heating wires along the circumferential direction and connects the connecting member.
  • the first electrical connection portion includes a first supporting portion and a first connecting portion, the first supporting portion is an annular structure surrounding the central axis, one end of the connecting portion is connected to the first supporting portion, and the other end of the connecting portion is connected between two adjacent heating portions; and/or
  • the second electrical connection portion includes a second supporting portion and a second connecting portion, the second supporting portion is an annular structure surrounding the central axis, one end of the second connecting portion is connected to the second supporting portion, and the other end of the second connecting portion is connected between two adjacent heating portions.
  • the first electrical connection portion and/or the second electrical connection portion is provided with an empty slot.
  • first electrical connection portion and/or the second electrical connection portion is in a sheet-like structure, and the first electrical connection portion and/or the second electrical connection portion is connected between two adjacent heat generating portions.
  • a heating module comprising the above-mentioned heating element, the heating module further comprising a liquid guiding element, the liquid guiding element being provided with a liquid guiding channel, the heating element being accommodated in the liquid guiding channel.
  • a heating module comprises the above-mentioned heating element, and the heating module further comprises a liquid guiding element, wherein the heating element is covered outside the liquid guiding element.
  • An atomization component comprises the above-mentioned heating module.
  • FIG1 is a schematic structural diagram of an atomization assembly according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the internal structure of the atomizer assembly shown in FIG. 1 ;
  • FIG3 is a schematic structural diagram of a heating module of the atomizing assembly shown in FIG1 ;
  • FIG4 is a schematic structural diagram of an atomization assembly according to another embodiment of the present application.
  • FIG5 is a schematic diagram of the internal structure of the atomizer assembly shown in FIG4 ;
  • FIG6 is a schematic structural diagram of a heating module of the atomization assembly shown in FIG4 ;
  • FIG7 is a schematic structural diagram of a heating module according to another embodiment of the present application.
  • FIG8 is a schematic structural diagram of a heating element according to an embodiment of the present application.
  • FIG9 is a schematic structural diagram of the heat generating element shown in FIG8 after expansion
  • FIG10 is a schematic structural diagram of a heating element according to another embodiment of the present application.
  • FIG11 is a schematic structural diagram of the heat generating element shown in FIG10 after expansion
  • FIG12 is a schematic structural diagram of a heating element according to another embodiment of the present application.
  • FIG13 is a schematic structural diagram of the heat generating element shown in FIG12 after expansion
  • 100 atomization assembly; 20, base; 40, liquid inlet pipe; 41, atomization chamber; 43, air flow channel; 45, liquid inlet hole; 60, heating module; 62, heating element; 61, heating body; 612, first electrical connection part; 6121, first support part; 6123, first connection part; 614, second electrical connection part; 6141, second support part; 6143, second connection part; 616, heating part; 6161, heating wire; 6163, connecting part; 63, intermediate support part; 64, liquid guide part; 641, liquid guide channel; 66, lead wire.
  • first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as “first” and “second” may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality” is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • installed can be a fixed connection, a detachable connection, or an integral connection
  • it can be a mechanical connection or an electrical connection
  • it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium.
  • a first feature being “above”, “above” and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • a first feature being “below”, “below” and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
  • an embodiment of the present application provides an atomization assembly 100, which is installed in an aerosol generating device, and is used to absorb and heat an aerosol generating matrix to generate an aerosol for use by a user.
  • the aerosol generating matrix is a liquid, including but not limited to materials used for medical, health, health, and beauty purposes, for example, the aerosol generating matrix is a liquid medicine or oil (selected according to the actual protection scheme).
  • the atomization assembly 100 includes a base 20, a liquid inlet pipe 40 and a heating module 60.
  • the liquid inlet pipe 40 is a hollow tubular structure with two ends open.
  • the base 20 is connected to an open end of the liquid inlet pipe 40.
  • An atomization chamber 41 and an air flow channel 43 are formed in the liquid inlet pipe 40.
  • the air flow channel 43 connects the atomization chamber 41 with the other open end of the liquid inlet pipe 40.
  • the side wall of the liquid inlet pipe 40 is provided with a liquid inlet hole 45 connected to the atomization chamber 41. In this way, the aerosol-generating matrix outside the atomization assembly 100 can enter the atomization chamber 41 through the liquid inlet hole 45, and then be absorbed and heated by the heating module 60 to generate aerosol.
  • the heating module 60 includes a heating element 62 and a liquid guide element 64.
  • the liquid guide element 64 is formed of a porous material such as a cotton core, ceramic or glass.
  • the liquid guide element 64 is a hollow columnar structure, and a liquid guide channel 641 is formed in the liquid guide element 64, which runs through the end faces of both ends of the liquid guide element 64 in the axial direction.
  • the heating element 62 is accommodated in the liquid guide channel 641 and covers the inner wall of the liquid guide channel 641.
  • the aerosol generating matrix flowing into the atomization chamber 41 from the liquid inlet hole 45 can penetrate the heat-conducting structure from the outside to the inside to reach the heating element 62.
  • the heating element 62 is circumferentially coated on the outer side wall of the liquid guide element 64, and the aerosol generating matrix can penetrate the liquid guide element 64 from the inside to the outside to reach the heating element 62.
  • the liquid guide channel 641 may not need to be provided in the liquid guide element 64 (as shown in FIG. 7). It can be understood that the shape of the liquid guiding member 64 is not limited thereto. In some other embodiments, the liquid guiding member 64 may be an elliptical cylinder, a prism, or other approximately cylindrical structure.
  • liquid guiding member 64 in Figures 1 to 3 can be formed of materials with lower structural strength such as cotton core and artificial fiber, and the liquid guiding member 64 in Figures 4 to 6 is formed of materials with higher structural strength such as ceramic or glass.
  • the existing heating element 62 is roughly a mesh structure, and is a heating element made of metal plates through chemical etching, laser/mechanical engraving, stamping, etc.
  • the aerosol generated by its heating has obvious advantages in taste evaluation indicators such as aroma restoration, aroma concentration, and aroma fineness, and has therefore been widely used.
  • the heating element 62 When the heating element 62 is used, it needs to be rolled from a plane into a major arc shape and then assembled.
  • the heating element 62 has a notch extending along the axial direction to prevent it from short-circuiting.
  • the heating element 62 has no continuous support structure in the circumferential direction of the major arc, resulting in defects such as low structural strength and easy deformation, thereby affecting the consistency of the aerosol generating device equipped with the heating element 62, reducing the puffing life and the stability of the taste, and limiting the application scope of the heating element 62.
  • the heating element 62 of the present application includes a heating body 61 and an intermediate support member 63.
  • the heating body 61 is wound around a central axis L to form a hollow cylindrical structure, and the heating body 61 has a core heating area A circumferentially surrounding the central axis L.
  • the intermediate support member 63 passes through the core heating area A circumferentially around the central axis L, and when the heating element 62 is in a powered-on state, the heating body 61 can generate heat under the action of electric energy to heat the aerosol generating matrix, and the intermediate support member 63 is in a short-circuit state without current passing.
  • the core heating area A refers to the main area where the heating body 61 generates heat after power is turned on.
  • the intermediate support member 63 passing through the core heating area A along the circumferential direction effectively improves the structural strength of the heating element 62, making the heating element 62 less likely to deform, thereby improving the consistency of the aerosol generating device provided with the heating element 62, improving the puffing life and taste stability of the aerosol generating device, and expanding the application range of the heating element 62. Moreover, since no current passes through the intermediate support member 63, it will not cause additional power loss, thereby ensuring the effective power supply of the core heating area and ensuring the atomization efficiency.
  • the heating body 61 includes a first electrical connection portion 612, a second electrical connection portion 614 and a heating portion 616.
  • the second electrical connection portion 614 and the first electrical connection portion 612 are spaced apart at opposite ends of the heating body 61 in the axial direction, and the heating portion 616 is connected between the first electrical connection portion 612 and the second electrical connection portion 614.
  • the heating portion 616 forms a core heating area A to heat the aerosol generating matrix.
  • the first electrical connection portion 612 and the second electrical connection portion 614 are respectively connected to the positive and negative electrodes of the power supply through the lead wire 66 (as shown in FIG. 3), so that the heating body 61 forms a current loop.
  • the current flows from the first electrical connection part 612 through the heating part 616 to the second electrical connection part 614 without passing through the intermediate support part 63, so the intermediate support part 63 is short-circuited, and no current flows through it.
  • the intermediate support part 63 improves the structural strength of the heating part 62 without causing additional power loss, thereby ensuring the effective power supply of the core heating area and ensuring the atomization efficiency.
  • the intermediate support part 63 can be set to a larger width to provide sufficient support force.
  • the heating body 61 includes at least two heating parts 616 , all the heating parts 616 are connected in parallel between the first electrical connection part 612 and the second electrical connection part 614 , and each heating part 616 forms a core heating area.
  • each heating part 616 includes at least two heating wires 6161 and a connecting piece 6163. All the heating wires 6161 in the same heating part 616 are arranged at intervals along the axial direction, and each heating wire 6161 extends along an arc track in a wavy, straight or arc shape, and all the heating wires 6161 in the same heating part 616 jointly define a heating area.
  • the connecting piece 6163 is a sheet-like structure extending longitudinally along the axial direction, and the heating wires 6161 belonging to the same heating part 616 are electrically connected through the connecting sheet.
  • the heating wire 6161 generates heat under the action of electric energy to heat the aerosol generating matrix, and the connecting member 6163 can play a certain supporting role while electrically connecting two adjacent heating wires 6161.
  • the intermediate supporting member 63 passes through the connecting members 6163 between two adjacent heating wires 6161 in the axial direction and connects the heating parts 616 to improve the structural strength of the heating element 62.
  • the first electrical connection portion 612 includes a first support portion 6121 and a first connection portion 6123.
  • the first support portion 6121 is an annular structure around the central axis, one end of the first connection portion 6123 is connected to the first support portion 6121, and the other end of the first connection portion 6123 is connected between two adjacent heating portions 616.
  • the second electrical connection portion 614 includes a second support portion 6141 and a second connection portion 6143, the second support portion 6141 is an annular structure around the central axis, one end of the second connection portion 6143 is connected to the second support portion 6141, and the other end of the second connection portion 6143 is connected between two adjacent heating portions 616.
  • the first electrical connection part 612 and the second electrical connection part 614 can improve the structural strength of the axial end of the heating element 62 while playing the role of electrical connection. It should be noted that since the liquid guide part 64 formed by the cotton core has a lower hardness and is more likely to deform, the first electrical connection part 612 and the second electrical connection part 614 are preferably used in combination with the liquid guide part 64 formed by the cotton core.
  • the first electrical connection part 612 and/or the second electrical connection part 614 is provided with an empty groove 615, thereby effectively supporting the liquid guide 64 while reducing the heat loss area, balancing the pulling force, and avoiding deformation of the atomizer assembly 100.
  • the first support part 6121 and the first connection part 6123 of the first electrical connection part 612, the second support part 6141 and the second connection part 6143 of the second electrical connection part 614 are all provided with an empty groove 615 extending along the length direction.
  • the first electrical connection part 612 and/or the second electrical connection part 614 are in a sheet-like structure, and the first electrical connection part 612 and/or the second electrical connection part 614 are connected between two adjacent heating parts 616.
  • the first electrical connection part 612 and the second electrical connection part 614 of the above embodiment have a small area and cannot improve the effective supporting force, so they are used in combination with a liquid guide part 64 with a high structural strength formed of materials such as ceramics and glass. Since the first electrical connection part 612 and the second electrical connection part 614 have a small area, the heat loss area can be minimized while achieving the electrical connection requirements, thereby improving the atomization efficiency and the amount of aerosol generated.
  • the heating element 62 of one embodiment of the present application is made of a metal plate or a metal tube by chemical etching, laser/mechanical engraving, stamping, etc.
  • the heating element 62 includes a heating body 61 and an intermediate support member 63 , and the heating body 61 includes a first electrical connection portion 612 , a second electrical connection portion 614 and two heating portions 616 .
  • the heating element 62 When the heating element 62 is in the unfolded state, the heating element 62 is in a rectangular sheet-like structure, the length direction of the heating element 62 extends along the left-right direction in FIG. 9 , and the width direction of the heating element 62 extends along the up-down direction in FIG. 9 .
  • the first electrical connection portion 612 and the second electrical connection portion 614 are arranged at intervals in the width direction of the heating element 62, and each heating portion 616 includes two heating wires 6161 and a connecting member 6163.
  • the two heating wires 6161 are arranged at intervals in the width direction of the heating element 62, one end of the heating wire 6161 close to the first electrical connection portion 612 is connected to one side of the first connection portion 6123 of the first electrical connection portion 612, and the other side of the heating wire 6161 is connected to the connecting member 6163, and one end of the heating wire 6161 close to the second electrical connection portion 614 is connected to one side of the second connection portion 6143 of the second connection portion 6143, and the other side of the heating wire 6161 is connected to the connecting member 6163.
  • One end of the intermediate support member 63 is connected to a connecting member 6163 of one of the heating parts 616 , and the other end of the intermediate support member 63 passes through two heating wires 6161 of two heating parts 616 in the length direction of the heating element 62 to connect to another connecting member 6163 .
  • the connecting pieces 6163 of the two heating parts 616 are connected to each other, and the heating element 62 forms a hollow cylindrical structure.
  • the first supporting part 6121 of the first electrical connecting part 612 and the second supporting part 6141 of the second electrical connecting part 614 respectively form a circular ring, and the intermediate supporting part 63 and the connecting piece 6163 together form a circular ring.
  • the heating element 62 of one embodiment of the present application is made of a metal plate or a metal tube by chemical etching, laser/mechanical engraving, stamping, etc.
  • the heating element 62 includes a heating body 61 and an intermediate support member 63 , and the heating body 61 includes a first electrical connection portion 612 , a second electrical connection portion 614 and four heating portions 616 .
  • the first electrical connection portion 612 and the second electrical connection portion 614 are arranged at intervals in the width direction of the heating element 62, the first electrical connection portion 612 includes a first support portion 6121 and two first connection portions 6123, and the two first connection portions 6123 are arranged at intervals on one side of the first support portion 6121 along the length direction of the first support portion 6121.
  • the second electrical connection portion 614 includes a second support portion 6141 and two second connection portions 6143, and the two second connection portions 6143 are arranged at intervals on one side of the second support portion 6141 along the length direction of the second support portion 6141.
  • the four heating parts 616 are sequentially arranged along the length direction of the heating element 62, and the two heating parts 616 located on the same side of the heating element 62 are connected in parallel between the first connection part 6123 and the second connection part 6143 located on the same side.
  • each heating part 616 includes two heating wires 6161 and a connecting piece 6163, and the two heating wires 6161 are arranged at intervals along the width direction of the heating element 62, one end of the heating wire 6161 close to the first electrical connection part 612 is connected to one side of the first connection part 6123, and the other side of the heating wire 6161 is connected to the connecting piece 6163, one end of the heating wire 6161 close to the second electrical connection part 614 is connected to one side of the second connection part 6143, and the other side of the heating wire 6161 is connected to the connecting piece 6163, and the two connecting pieces 6163 of the two adjacent heating parts 616 located in the middle are connected to each other.
  • One end of the intermediate support member 63 is connected to a connecting member 6163 of one of the heating parts 616 , and the other end of the intermediate support member 63 passes through two heating wires 6161 of four heating parts 616 in the length direction of the heating element 62 and connects to the other two connecting members 6163 .
  • the connecting pieces 6163 of the first and last heating parts 616 in the length direction of the heating element 62 are connected to each other, and the heating element 62 forms a hollow cylindrical structure.
  • the first supporting part 6121 of the first electrical connecting part 612 and the second supporting part 6141 of the second electrical connecting part 614 respectively form a circular ring, and the intermediate supporting part 63 and the connecting piece 6163 together form a circular ring.
  • the heating element 62 of another embodiment of the present application is made of a metal plate or a metal tube by chemical etching, laser/mechanical engraving, stamping, etc.
  • the heating element 62 includes a heating body 61 and an intermediate support member 63.
  • the heating body 61 includes a first electrical connection portion 612, a second electrical connection portion 614 and two heating portions 616.
  • the first electrical connection portion 612 and the second electrical connection portion 614 are both rectangular sheet structures.
  • each heating portion 616 includes two heating wires 6161 and a connecting member 6163.
  • the two heating wires 6161 are arranged at intervals in the width direction of the heating element 62, one end of the heating wire 6161 close to the first electrical connection portion 612 is connected to one side of the first connection portion 6123, and the other side of the heating wire 6161 is connected to the connecting member 6163, and one end of the heating wire 6161 close to the second electrical connection portion 614 is connected to one side of the second connection portion 6143, and the other side of the heating wire 6161 is connected to the connecting member 6163.
  • One end of the intermediate support member 63 is connected to the connecting member 6163 of one of the heating parts 616, and the other end of the intermediate support member 63 passes through the two heating wires 6161 of the two heating parts 616 in the length direction of the heating element 62 to connect to another connecting member 6163.
  • the connecting members 6163 of the two heating parts 616 are connected to each other, the heating element 62 forms a hollow cylindrical structure, and the intermediate support member 63 and the connecting member 6163 together form a ring.
  • the heating element 62, the heating module 60 and the atomization assembly 100 are designed to solve the problem of small line width and low structural strength of the core heating area A of the heating element 62 by providing an intermediate support member 63 through which no current flows, thereby significantly improving the structural strength of the heating element 62 without causing additional power loss, thereby ensuring effective power supply to the core heating area A and improving atomization efficiency.
  • the special design of the first electrical connection portion 612 and the second electrical connection portion 614 can effectively support the liquid guide member 64 formed by the cotton core, balance the tension of the lead wire 66, and avoid deformation of the liquid guide member 64.

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Abstract

本申请公开了一种发热件(62)、发热模块(60)及雾化组件(100)，发热件(62)包括：发热本体(61)，绕一中心轴线卷绕形成中空柱状结构，发热本体(61)具有沿周向围绕中心轴线的核心发热区；及中间支撑件(63)，围绕中心轴线沿周向穿过核心发热区；当发热件(62)处于通电状态时，发热本体(61)在电能作用下发热，中间支撑件(63)无电流经过。上述发热件(62)，沿周向穿过核心发热区的中间支撑件(63)有效提高了发热件(62)的结构强度，使发热件(62)不易变形，进而提高了设有该发热件(62)的气溶胶生成装置的一致性，提高了气溶胶生成装置的抽吸寿命与口感的稳定性，扩大了发热件(62)的应用范围。而且，由于中间支撑件(63)无电流经过，因此不会引起额外的电能损耗，进而确保核心发热区的有效电能供应，保证了气溶胶生成装置的雾化效率。

Description

发热件、发热模块及雾化组件 技术领域
本申请涉及雾化技术领域，更具体的说，涉及一种发热件、发热模块及雾化组件。
背景技术
气溶胶是一种由固体或液体小质点分散并悬浮在气体介质中形成的胶体分散体系，由于气溶胶可通过呼吸系统被人体吸收，为用户提供一种新型的替代吸收方式。气溶胶生成装置是指将存储的可雾化的气溶胶产生基质通过加热或超声等方式形成气溶胶的装置。气溶胶产生基质包括液体、凝胶、膏体或固体的气溶胶生成基质，将这些气溶胶产生基质雾化，可为用户递送可供吸入的气溶胶，替代常规的产品形态及吸收方式。
目前的气溶胶生成装置中的雾化组件通常设有由多孔材料(例如棉芯、陶瓷、玻璃等)、发热件(发热网、弹簧丝)、引线等元件组成，液态的雾化介质通过多孔材料流动并储存在发热元件附近，在气溶胶生成装置的使用过程中，发热元件加热雾化介质产生气溶胶以供使用者吸食。
然而，现有的发热网多呈优弧网状结构，因此存在结构强度较低、容易变形的缺点，从而影响了气溶胶生成装置的装配一致性，影响了气溶胶生成装置的寿命和口感的稳定性。
发明内容
根据本申请的各种实施例，提供一种发热件、发热模块及雾化组件。
一种发热件，包括：
发热本体，绕一中心轴线卷绕形成中空柱状结构，所述发热本体具有沿周向围绕所述中心轴线的核心发热区；及
中间支撑件，围绕所述中心轴线沿周向穿过所述核心发热区；
其中，当所述发热件处于通电状态时，所述发热本体在电能作用下发热，所述中间支撑件无电流经过。
在其中一个实施例中，所述发热本体包括：
第一电连接部；
第二电连接部，与所述第一电连接部在轴向上间隔设于所述发热本体的相对两端；以及
发热部，连接于所述第一电连接部和所述第二电连接部之间，所述发热部形成所述核心发热区。
在其中一个实施例中，所述发热本体包括至少两个所述发热部，所有所述发热部并联于所述第一电连接部和所述第二电连接部之间，所有所述发热部围绕所述中心轴线依次排布。
在其中一个实施例中，所述发热部包括：
至少两条发热丝，所有所述发热丝沿轴向间隔排布；及
连接件，连接相邻两条所述发热丝；
其中，所有所述发热丝界定形成所述发热区，所述中间支撑件沿周向穿过相邻两条所述发热丝之间并连接所述连接件。
在其中一个实施例中，所述第一电连接部包括第一支撑部与第一连接部，所述第一支撑部呈围绕所述中心轴线的环状结构，所述连接部的一端连接所述第一支撑部，所述连接部的另一端连接于相邻两个所述发热部之间；和/或
所述第二电连接部包括第二支撑部与第二连接部，所述第二支撑部呈围绕所述中心轴线的环状结构，所述第二连接部的一端连接所述第二支撑部，所述第二连接部的另一端连接于相邻两个所述发热部之间。
在其中一个实施例中，所述第一电连接部和/或所述第二电连接部开设有空槽。
在其中一个实施例中，所述第一电连接部和/或所述第二电连接部呈片状结构，所述第一电连接部和/或所述第二电连接部连接于相邻两个所述发热部之间。
根据本申请的另一个方面，提供一种发热模块，包括上述的发热件，所述发热模块还包括导液件，所述导液件开设有导液通道，所述发热件收容于所述导液通道内。
一种发热模块，包括上述的发热件，所述发热模块还包括导液件，所述发热件包覆于所述导液件外。
一种雾化组件，包括上述的发热模块。
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。
图1为本申请一实施例的雾化组件的结构示意图；
图2为图1所示雾化组件的内部结构示意图；
图3为1所示雾化组件的发热模块的结构示意图；
图4为本申请另一实施例的雾化组件的结构示意图；
图5为图4所示雾化组件的内部结构示意图；
图6为图4所示雾化组件的发热模块的结构示意图；
图7为本申请另一实施例的发热模块的结构示意图；
图8为本申请一实施例的发热件的结构示意图；
图9为图8所示发热件的展开后的结构示意图；
图10为本申请另一实施例的发热件的结构示意图；
图11为图10所示发热件的展开后的结构示意图；
图12为本申请另一实施例的发热件的结构示意图；
图13为图12所示发热件的展开后的结构示意图；
附图标号说明：
100、雾化组件；20、底座；40、进液管；41、雾化腔；43、气流通道；45、进液孔；60、发热模块；62、发热件；61、发热本体；612、第一电连接部；6121、第一支撑部；6123、第一连接部；614、第二电连接部；6141、第二支撑部；6143、第二连接部；616、发热部；6161、发热丝；6163、连接件；63、中间支撑件；64、导液件；641、导液通道；66、引线。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，下面结合附图对本申请的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本申请。但是本申请能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本申请内涵的情况下做类似改进，因此本申请不受下面公开的具体实施例的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”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”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“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。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方” 和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“上”、“下”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
参阅图1，本申请实施例提供了一种雾化组件100，该雾化组件100安装于气溶胶生成装置中，雾化组件100用于吸收并加热气溶胶生成基质以产生气溶胶供用户使用。上述气溶胶产生基质为液体，包括但不限于是用于医疗、养生、健康、美容目的的材料，例如，气溶胶生成基质为药液、油类(依照实际保护方案选择)。
如图1至图3或图4至图6所示，雾化组件100包括底座20、进液管40以及发热模块60。进液管40呈两端开口的中空管状结构，底座20配接于进液管40的一开口端，进液管40内形成雾化腔41及气流通道43，气流通道43连通雾化腔41与进液管40的另一开口端，进液管40的侧壁开设有连通雾化腔41的进液孔45。如此，雾化组件100外的气溶胶生成基质可通过进液孔45进入雾化腔41内，然后被发热模块60吸收并加热雾化生成气溶胶。
发热模块60包括发热件62及导液件64。导液件64由棉芯、陶瓷或玻璃等多孔材料形成，导液件64呈中空的柱状结构，导液件64内形成沿轴向贯穿导液件64的两端端面的导液通道641。在一些实施例中，发热件62收容于导液通道641内并覆盖导液通道641的内壁，从进液孔45流入雾化腔41中的气溶胶生成基质可由外至内穿透导热结构以达到发热件62。在另一些实施例中，发热件62沿周向包覆于导液件64的外侧壁，气溶胶生成基质可由内向外穿透导液件64以达到发热件62。在其他一些实施例中，当导液件64由棉芯形成时，导液件64中也可无需开设导液通道641(如图7所示)。可以理解，导液件64的形状不限于此，在其他一些实施例中，导液件64可为椭圆柱形、棱柱形等近似圆柱形结构。
需要说明的是，图1至图3中的导液件64可以由棉芯、人工纤维等具有较低结构强度的材料形成，图4至图6中的导液件64由陶瓷或玻璃等具有较高结构强度的材料形成。
正如背景技术所述，现有的发热件62大致呈网状结构，是一种由金属板经化学刻蚀、激光/机械雕刻、冲压等方式加工而成的发热元件，相较于弹簧发热丝6161等元件，其加热产生的气溶胶在香气还原度、香气浓度、香气细腻度等口感评价指标方面具有明显优势，因此得到了广泛的应用。
发热件62在使用时，需要将其由平面卷绕成优弧状再进行装配，发热件62存在一沿轴向延伸的缺口以防止其短路。但与此同时，发热件62在优弧的圆周方向上无连续支撑结构，导致其存在结构强度 低、易变形等缺陷，因此影响了设有该发热件62的气溶胶生成装置的一致性，降低了抽吸寿命与口感的稳定性，并限制了发热件62的应用范围。
请参阅图8及图9，为了解决上述问题，本申请的发热件62包括发热本体61及中间支撑件63。发热本体61呈绕一中心轴线L卷绕形成中空柱状结构，发热本体61具有沿周向围绕中心轴线L的核心发热区A。中间支撑件63围绕中心轴线L沿周向穿过核心发热区A，且在发热件62处于通电状态时，发热本体61能够在电能作用下发热以加热气溶胶生成基质，中间支撑件63则处于短路状态而无电流通过。其中，核心发热区A是指发热本体61在通电后产生热量的主要区域。
如此，沿周向穿过核心发热区A的中间支撑件63有效提高了发热件62的结构强度，使发热件62不易变形，进而提高了设有该发热件62的气溶胶生成装置的一致性，提高了气溶胶生成装置的抽吸寿命与口感的稳定性，扩大了发热件62的应用范围。而且，由于中间支撑件63无电流经过，因此不会引起额外的电能损耗，进而确保核心发热区的有效电能供应，保证了雾化效率。
具体地，发热本体61包括第一电连接部612、第二电连接部614以及发热部616。第二电连接部614与第一电连接部612在轴向上间隔设于发热本体61的相对两端，发热部616连接于第一电连接部612和第二电连接部614之间，发热部616形成核心发热区A以加热气溶胶生成基质。第一电连接部612和第二电连接部614分别通过引线66(如图3所示)连接电源的正极和负极，从而使发热本体61形成电流回路。
根据电流路径的优先走法，电流由第一电连接部612通过发热部616流入第二电连接部614而不会经过中间支撑件63，因此中间支撑件63被短路，其中没有电流流过，中间支撑件63在提高了发热件62的结构强度的同时不会引起额外的电能损耗，进而确保核心发热区的有效电能供应，保证了雾化效率。此外，由于无需考虑中间支撑件63的电阻对电路的影响，因此可将中间支撑件63设置为较大的宽度以提供足够的支撑力。
进一步地，发热本体61包括至少两个发热部616，所有发热部616并联于第一电连接部612和第二电连接部614之间，每个发热部616均形成一个核心发热区。
具体地，所有发热部616围绕中心轴线沿周向依次排布，每个发热部616均包括至少两条发热丝6161及一个连接件6163，同一发热部616中的所有发热丝6161沿轴向间隔排布，每条发热丝6161沿一弧形轨迹呈波浪状、直线状或圆弧线状延伸，同一发热部616中的所有发热丝6161共同界定形成一发热区。连接件6163呈沿轴向纵长延伸的片状结构，属于同一发热部616的发热丝6161通过连接片电性连接。
如此，发热丝6161在电能作用下发热以加热气溶胶生成基质，连接件6163在起到电性连接相邻两条发热丝6161的同时可起到一定的支撑作用。中间支撑件63沿周向穿过在轴向上相邻的两条发热丝 6161之间并连接各个发热部616的连接件6163，以起到提高发热件62的结构强度的作用。
在一些实施例中，第一电连接部612包括第一支撑部6121与第一连接部6123。第一支撑部6121呈围绕中心轴线的环状结构，第一连接部6123的一端连接第一支撑部6121，第一连接部6123的另一端连接于相邻两个发热部616之间。第二电连接部614包括第二支撑部6141与第二连接部6143，第二支撑部6141呈围绕中心轴线的环状结构，第二连接部6143的一端连接第二支撑部6141，第二连接部6143的另一端连接于相邻两个发热部616之间。
如此，第一电连接部612和第二电连接部614在起到电连接作用的同时，可提高发热件62的轴向端的结构强度。需要说明的是，由于由棉芯形成的导液件64的硬度较低而更容易发生形变，因此上述第一电连接部612和第二电连接部614优选与由棉芯形成的导液件64组合使用。
进一步地，为了减少第一电连接部612和第二电连接部614的存在造成的热量损失，第一电连接部612和/或第二电连接部614开设有空槽615，从而在有效支撑导液件64的同时降低了热损失面积，均衡拉力，避免雾化组件100发生变形。具体在一实施例中，第一电连接部612的第一支撑部6121和第一连接部6123、第二电连接部614的第二支撑部6141和第二连接部6143均开设有一沿长度方向延伸的空槽615。
请参阅图10及图11，在其他一些实施例中，第一电连接部612和/或第二电连接部614呈片状结构，第一电连接部612和/或第二电连接部614连接于相邻两个发热部616之间。上述实施例的第一电连接部612和第二电连接部614的面积较小而无法提高有效的支撑力，因此与有陶瓷、玻璃等材料形成的具有较高结构强度的导液件64组合使用。由于第一电连接部612和第二电连接部614的面积较小，因此可在实现电连接要求的同时，最大限度地降低热损失面积，从而提升雾化效率和气溶胶的生成量。
如图8及图9所述，本申请的一实施例的发热件62由金属板或金属管经化学刻蚀、激光/机械雕刻、冲压等方式加工而成。发热件62包括发热本体61及中间支撑件63，发热本体61包括第一电连接部612、第二电连接部614以及两个发热部616。
当发热件62处于展开状态时，发热件62呈矩形薄片状结构，发热件62的长度方向沿图9中的左右方向延伸，发热件62的宽度方向沿图9中的上下方向延伸。第一电连接部612和第二电连接部614在发热件62的宽度方向上间隔设置，每个发热部616均包括两条发热丝6161和一个连接件6163，两条发热丝6161沿发热件62的宽度方向间隔设置，靠近第一电连接部612的发热丝6161的一端连接第一电连接部612的第一连接部6123的一侧，发热丝6161的另一侧连接连接件6163，靠近第二电连接部614的发热丝6161的一端连接第二连接部6143的第二连接部6143的一侧，发热丝6161的另一侧连接连接件6163。中间支撑件63的一端连接于其中一个发热部616的连接件6163，中间支撑件63的另一端沿发热件62的长度方向先后穿过两个发热部616的两条发热丝6161之间连接另一连接件6163。
当发热件62处于圆管卷绕状态时，两个发热部616的连接件6163相互连接，发热件62形成一个中空的圆柱状结构，第一电连接部612的第一支撑部6121和第二电连接部614的第二支撑部6141分别形成一个圆环，中间支撑件63和连接件6163共同形成一个圆环。
如图12及图13所述，本申请的一实施例的发热件62由金属板或金属管经化学刻蚀、激光/机械雕刻、冲压等方式加工而成。发热件62包括发热本体61及中间支撑件63，发热本体61包括第一电连接部612、第二电连接部614以及四个发热部616。
当发热件62处于展开状态时，发热件62呈矩形薄片状结构，发热件62的长度方向沿图13中的左右方向延伸，发热件62的宽度方向沿图13中的上下方向延伸。第一电连接部612和第二电连接部614在发热件62的宽度方向上间隔设置，第一电连接部612包括第一支撑部6121和两个第一连接部6123，两个第一连接部6123沿第一支撑部6121的长度方向间隔设于第一支撑部6121一侧。第二电连接部614包括第二支撑部6141和两个第二连接部6143，两个第二连接部6143沿第二支撑部6141的长度方向间隔设于第二支撑部6141一侧。
四个发热部616沿发热件62的长度方向依次设置，位于发热件62同侧的两个发热部616并联于位于该侧的第一连接部6123和第二连接部6143之间。具体地，每个发热部616均包括两条发热丝6161和一个连接件6163，两条发热丝6161沿发热件62的宽度方向间隔设置，靠近第一电连接部612的发热丝6161的一端连接第一连接部6123的一侧，发热丝6161的另一侧连接连接件6163，靠近第二电连接部614的发热丝6161的一端连接第二连接部6143的一侧，发热丝6161的另一侧连接连接件6163，且位于中间的相邻两个发热部616的两个连接件6163相互连接。中间支撑件63的一端连接于其中一个发热部616的连接件6163，中间支撑件63的另一端沿发热件62的长度方向先后穿过四个发热部616的两条发热丝6161之间并连接另外两个连接件6163。
当发热件62处于圆管卷绕状态时，发热件62的长度方向的首尾两个发热部616的连接件6163相互连接，发热件62形成一个中空的圆柱状结构，第一电连接部612的第一支撑部6121和第二电连接部614的第二支撑部6141分别形成一个圆环，中间支撑件63和连接件6163共同形成一个圆环。
如图10及图11所述，本申请的另一实施例的发热件62由金属板或金属管经化学刻蚀、激光/机械雕刻、冲压等方式加工而成。发热件62包括发热本体61及中间支撑件63，发热本体61包括第一电连接部612、第二电连接部614以及两个发热部616，第一电连接部612与第二电连接部614均呈矩形的片状结构。
当发热件62处于展开状态时，发热件62的长度方向沿图11中的左右方向延伸，发热件62的宽度方向沿图11中的上下方向延伸。第一电连接部612和第二电连接部614在发热件62的宽度方向上间隔设置，每个发热部616均包括两条发热丝6161和一个连接件6163，两条发热丝6161沿发热件62的宽 度方向间隔设置，靠近第一电连接部612的发热丝6161的一端连接第一连接部6123的一侧，发热丝6161的另一侧连接连接件6163，靠近第二电连接部614的发热丝6161的一端连接第二连接部6143的一侧，发热丝6161的另一侧连接连接件6163。中间支撑件63的一端连接于其中一个发热部616的连接件6163，中间支撑件63的另一端沿发热件62的长度方向先后穿过两个发热部616的两条发热丝6161之间连接另一连接件6163。当发热件62处于卷绕状态时，两个发热部616的连接件6163相互连接，发热件62形成一个中空的圆柱状结构，中间支撑件63和连接件6163共同形成一个圆环。
上述发热件62、发热模块60以及雾化组件100，针对发热件62的核心发热区A的线宽小、结构强度低的问题，通过无电流通过的中间支撑件63的设置，在显著提高了发热件62的结构强度的同时，不会引起额外的电能损耗，确保了核心发热区A的有效电能供应，提高了雾化效率。而且，第一电连接部612和第二电连接部614的特殊设计可有效支撑由棉芯形成的导液件64，均衡引线66的拉力，避免了导液件64发生变形。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种发热件，其特征在于，包括：
    发热本体，绕一中心轴线卷绕形成中空柱状结构，所述发热本体具有沿周向围绕所述中心轴线的核心发热区；及
    中间支撑件，围绕所述中心轴线沿周向穿过所述核心发热区；
    其中，当所述发热件处于通电状态时，所述发热本体在电能作用下发热，所述中间支撑件无电流经过。
  2. 根据权利要求1所述的发热件，其特征在于，所述发热本体包括：
    第一电连接部；
    第二电连接部，与所述第一电连接部在轴向上间隔设于所述发热本体的相对两端；以及
    发热部，连接于所述第一电连接部和所述第二电连接部之间，所述发热部形成所述核心发热区。
  3. 根据权利要求2所述的发热件，其特征在于，所述发热本体包括至少两个所述发热部，所有所述发热部并联于所述第一电连接部和所述第二电连接部之间，所有所述发热部围绕所述中心轴线依次排布。
  4. 根据权利要求3所述的发热件，其特征在于，所述发热部包括：
    至少两条发热丝，所有所述发热丝沿轴向间隔排布；及
    连接件，连接相邻两条所述发热丝；
    其中，所有所述发热丝界定形成所述发热区，所述中间支撑件沿周向穿过相邻两条所述发热丝之间并连接所述连接件。
  5. 根据权利要求3所述的发热件，其特征在于，所述第一电连接部包括第一支撑部与第一连接部，所述第一支撑部呈围绕所述中心轴线的环状结构，所述连接部的一端连接所述第一支撑部，所述连接部的另一端连接于相邻两个所述发热部之间；和/或
    所述第二电连接部包括第二支撑部与第二连接部，所述第二支撑部呈围绕所述中心轴线的环状结构，所述第二连接部的一端连接所述第二支撑部，所述第二连接部的另一端连接于相邻两个所述发热部之间。
  6. 根据权利要求5所述的发热件，其特征在于，所述第一电连接部和/或所述第二电连接部开设有空槽。
  7. 根据权利要求5所述的发热件，其特征在于，所述第一电连接部和/或所述第二电连接部呈片状结构，所述第一电连接部和/或所述第二电连接部连接于相邻两个所述发热部之间。
  8. 一种发热模块，其特征在于，包括如权利要求1至7任一项所述的发热件，所述发热模块还包括导液件，所述导液件开设有导液通道，所述发热件收容于所述导液通道内。
  9. 一种发热模块，其特征在于，包括如权利要求1至7任一项所述的发热件，所述发热模块还包括导液件，所述发热件包覆于所述导液件外。
  10. 一种雾化组件，其特征在于，包括如权利要求8或9任一项所述的发热模块。
PCT/CN2022/121674 2022-09-27 2022-09-27 发热件、发热模块及雾化组件 WO2024065166A1 (zh)

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