WO2020057046A1 - 一种陶瓷发热体及电子烟 - Google Patents

一种陶瓷发热体及电子烟 Download PDF

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Publication number
WO2020057046A1
WO2020057046A1 PCT/CN2019/074556 CN2019074556W WO2020057046A1 WO 2020057046 A1 WO2020057046 A1 WO 2020057046A1 CN 2019074556 W CN2019074556 W CN 2019074556W WO 2020057046 A1 WO2020057046 A1 WO 2020057046A1
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WO
WIPO (PCT)
Prior art keywords
heating element
ceramic
support bracket
element according
ceramic heating
Prior art date
Application number
PCT/CN2019/074556
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English (en)
French (fr)
Inventor
李辉
刘翔
Original Assignee
深圳市博迪科技开发有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 深圳市博迪科技开发有限公司 filed Critical 深圳市博迪科技开发有限公司
Priority to JP2021512483A priority Critical patent/JP2021536108A/ja
Priority to EP19862791.1A priority patent/EP3854238A4/en
Priority to US17/272,265 priority patent/US11991794B2/en
Priority to KR1020217005987A priority patent/KR102581935B1/ko
Publication of WO2020057046A1 publication Critical patent/WO2020057046A1/zh

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/03—Heaters specially adapted for heating hand held tools

Definitions

  • the invention relates to the technical field of heating elements, in particular to a ceramic heating element and an electronic cigarette.
  • the heating element is a common component or finished product for heating.
  • the existing heating element has uneven structure and poor insulation during use due to its composition and structural settings, and it has a complicated structure and high production costs.
  • the quality of the product to be heated is bad, which can cause personal injury. Therefore, a new type of heating element is needed to solve the above problems.
  • the technical problem to be solved by the present invention is to provide a ceramic heating element and an electronic cigarette, so as to solve the problems of uneven heating, poor insulation, complicated structure, high production cost and inconvenience of use in the prior art center heating element.
  • a technical solution provided by the present invention to solve its technical problem is: a ceramic heating element, comprising: a flat or needle-shaped ceramic casing, a supporting bracket sleeved inside the ceramic casing, and uniformly wound around the ceramic casing.
  • the heating wire on the supporting bracket is hollow inside.
  • one end of the heating wire is penetrated from the hollow structure of the support bracket, and the other end is spirally distributed along the outer wall of the support bracket.
  • the ceramic heating element is in a hollow cylindrical shape or a flat shape and has an integrally molded structure.
  • the open end of the shell is provided with a rectangular or cylindrical base, and a circular arc transition structure is provided at the joint between the base and the main structure of the shell.
  • a temperature control component is further included, and the temperature control component is a K-type thermocouple or a TCR temperature control module.
  • one end of the K-type thermocouple is penetrated from the inside of the bearing bracket, and the other end extends along the outer wall of the bearing bracket.
  • the outer wall of the bearing bracket is provided with at least one groove extending along the length direction of the bracket, and the groove can be used for placing the K-type thermocouple and / or heating wire.
  • the ceramic shell is a one-piece structure, the ceramic shell is in the shape of a sword body as a whole, and the edge of the ceramic shell is provided with a sword tip and / or a sharp edge is provided at the peripheral edge of the ceramic shell.
  • the present invention also provides an electronic cigarette including the ceramic heating element according to any one of the above.
  • the beneficial technical effect of the invention is that a flat or needle-shaped ceramic shell is provided, a bearing bracket sleeved inside the ceramic shell, and a heating wire uniformly wound on the bearing bracket form a simple structure and good insulation.
  • FIG. 1 is a schematic diagram of an embodiment of a heating element according to the present invention
  • FIG. 2 is a bottom view of the heating element in FIG. 1;
  • FIG. 3 is a sectional view of a part of the structure of the heating element in FIG. 1;
  • FIG. 4 is a schematic diagram of an embodiment of a bearing bracket and a heating wire according to the present invention.
  • FIG. 5 is a schematic diagram of a second embodiment of a heating element according to the present invention.
  • FIG. 1 is a schematic diagram of an embodiment of the present invention
  • FIG. 2 is a bottom view of the heating element in FIG. 1
  • FIG. 3 is a partial cross-sectional view of the heating element in FIG. 1.
  • a ceramic heating element includes: Needle-shaped three-section ceramic housing 10, one end of the ceramic housing is a cone 11, the middle section is a cylinder 12, and the other end is a cube-shaped base 13. A circle is provided at the junction of the cylinder 12 and the base 13.
  • the arc transition structure 14 strengthens the strength of the main structure of the casing 10.
  • the overall needle-shaped casing 10 is convenient for inserting or installing a heating element in other products to be heated, such as a cigarette rod of an electronic cigarette, during the use process, and heating the heating element.
  • An accommodating space 15 is provided inside the casing 10 for accommodating the support bracket 20 and the heating wire 30.
  • the heating wire 30 is evenly wound on the support bracket 30.
  • the support bracket 10 is set in the accommodating space 15 and the support bracket
  • the shape of 20 matches the shape of the accommodation space 15.
  • the heating wires 30 are evenly distributed between the inner wall of the housing 10 and the outer wall of the support bracket 20. As one end of the heating wire 30 extends from the outside of the support bracket 20, the other end extends from the support bracket 20.
  • the interior of the heater is extended to avoid the problem of short circuit between the heating wires and improve the safety and reliability of the heating body.
  • the preferred housing 10 is a food-grade ceramic material and has an integrated structure, which completely solves the problem of the separation of the housing and the base during the heating process of the traditional separate housing and the base, and further improves the safety and reliability of the heating body. .
  • a temperature control component 40 which is a K-type thermocouple or a TCR temperature control module.
  • a temperature control component 40 which is a K-type thermocouple or a TCR temperature control module.
  • One end of the K-type thermocouple penetrates through a through hole provided in the bracket 30, and the other end extends through a groove provided on the outer wall of the bracket along the length direction of the bracket 30.
  • K-type thermocouples and TCR temperature control modules can effectively avoid the problem of inaccurate temperature detection of the temperature control component 40 due to temperature rise Enhances the reliability of the heating element.
  • the present invention does not limit the number of through holes in the bracket 30 and the number of external grooves in the bracket 30, and can be increased or decreased according to the specific use situation during actual use.
  • the present invention also does not limit the positions of the lead wires of the heating wire and the lead wires of the temperature control components, and can be adjusted as needed without affecting the use.
  • FIG. 4 is a schematic diagram of an embodiment of the support bracket and the heating wire according to the present invention.
  • the support bracket 30 is a hollow cylinder as a whole, and one end of the heating wire 20 passes through the hollow structure 31 inside the support bracket 30. The other end is uniformly distributed in a spiral shape along the outer wall of the support bracket 30.
  • This winding method on the one hand ensures the uniformity of heating, on the other hand, effectively avoids the problem of short circuits between heating wires, and improves the safety and reliability of the heating body. .
  • the preferred bearing bracket 30 is a food-grade ceramic material, and has an integrally formed structure, which has good consistency, convenient installation, reduced production cost, and good insulation.
  • FIG. 5 is a schematic diagram of a second embodiment of a heating element according to the present invention.
  • the heating element includes a sword-shaped shell 10. It is convenient to insert the heating element into the interior of the product, such as electronic cigarettes, for heating.
  • the open end of the casing 10 is a base 13, and the arc 13 is provided at the junction of the base 13 and the main structure of the casing 10 to strengthen the root of the casing 10. Strength to ensure the life of the heating element.
  • the preferred casing 10 is a food-grade ceramic material, with an integrally formed structure, good consistency, and good insulation. Compared with the traditional separated casing and base structure, it is easy to process, has high reliability, and has low mass production costs.
  • a support bracket (not shown), a heating wire 20 wound around the support bracket, and a K-type thermocouple 40 are provided inside the casing 10.
  • the invention also provides an electronic cigarette, which comprises any one of the heating elements described above.
  • the present invention provides an integrally formed flat or needle-shaped ceramic casing, a support bracket sleeved in a heating body, a heating wire uniformly wound on the support bracket, and a temperature mounted on the support bracket.
  • the control component forms a heating element with a simple structure, good insulation, uniform heating, and convenient use, and an electronic cigarette using the heating element.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

一种陶瓷发热体，包含：扁平状或针状的陶瓷外壳（10）、套设于陶瓷外壳（10）内部的承托架（20），以及均匀缠绕于承托架（20）上的发热丝（30），承托架（20）内部为空心结构。一种电子烟，包含该陶瓷发热体。通过设置扁平状或针状的陶瓷外壳（10），套设于陶瓷外壳（10）内部的承托架（20），以及均匀缠绕于承托架（20）上的发热丝（30）形成一种结构简单、绝缘性好、发热均匀、使用方便的发热体和应用此种发热体的电子烟。

Description

一种陶瓷发热体及电子烟
技术领域
本发明涉及发热体技术领域，具体为一种陶瓷发热体及电子烟。
背景技术
发热体是常见的用于加热的部件或成品，现有的发热体由于其构成、结构的设置使得在使用过程中发热不均匀、绝缘性差，且结构复杂生产成本高，使用不便，轻则造成被加热品品质差，重则造成人身伤害，因此需要一种新型结构的发热体来解决上述问题。
发明内容
本发明要解决的技术问题是：提供一种陶瓷发热体及电子烟，从而解决现有技术中心发热体发热不均匀、绝缘性差，结构复杂生产成本高，使用不便的问题。
本发明为解决其技术问题提供的一种技术方案是：一种陶瓷发热体，包含：扁平状或针状的陶瓷外壳、套设与所述陶瓷外壳内部的承托架，以及均匀缠绕于所述承托架上的发热丝，所述承托架内部为空心结构。
作为上述方案的改进，所述发热丝的一端从所述承托架的空心结构穿出，另一端沿所述承托架的外壁呈螺旋状分布。
作为上述方案的进一步改进，所述陶瓷发热体呈空心圆柱状或扁平状，且为一体成型结构。
作为上述方案的改进，所述外壳的开口端设有矩形或柱形底座，所述底座与所述外壳的主体结构结合处设有圆弧过渡结构。
作为上述方案的进一步改进，还包括温控部件，所述温控部件为K型热电偶或TCR控温模块。
作为上述方案的改进，所述K型热电偶的一端从所述承托架的内部穿出，另一端沿所述承托架的外壁延伸。
作为上述方案的进一步改进，所述承托架的外壁设有至少一处沿支架长度方向延伸的凹槽，所述凹槽可用于放置所述K型热电偶和/或发热丝。
作为上述方案的改进，所述陶瓷外壳为一体成型结构，所述陶瓷外壳整体为剑体形状，所述陶瓷外壳的端部设有剑尖和/或陶瓷外壳的周身边缘处设有锋刃。
本发明还提供一种电子烟，包含上述任意一项所述的陶瓷发热体。
本发明的有益技术效果是：通过设置扁平状或针状的陶瓷外壳，套设于陶瓷外壳内部的承托架，以及均匀缠绕于承托架上的发热丝形成一种结构简单、绝缘性好、发热均匀、使用方便的发热体和应用此种发热体的电子烟。
附图说明
为了更清楚的说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图做简单说明。
图1 为本发明发热体一种实施方式的示意图；
图2 为图1中发热体的仰视图；
图3 为图1中发热体的部分结构剖视图；
图4 为本发明承托架和发热丝一种实施方式的示意图；
图5 为本发明发热体第二种实施方式的示意图。
具体实施方式
以下结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述，以充分理解本发明的目的、方案和效果。需要说明的是，在不冲突的情况下本申请中的实施例及实施例中的特征可以相互组合。此外本发明中所使用的上、下、左、右等描述仅仅是相对图中本发明各组成部分相互位置关系来说的。
实施例一
图1为本发明一种实施方式的示意图，图2为图1中发热体的仰视图，图3为图1中发热体的部分结构剖视图，参考图1至图3，陶瓷发热体包含：呈针状的三段式结构的陶瓷外壳10，陶瓷外壳的一端为锥体11，中间段为圆柱体12，另一端为立方体形状的底座13，在圆柱体12与底座13的结合处设有圆弧过渡结构14，加强了外壳10主体结构的强度。整体呈针状的外壳10在使用过程中便于将发热体***或安装于其他需加热的产品内如电子烟的烟棒，对其进行加热操作。在外壳10内部设有容置空间15用于容纳承托架20和发热丝30，发热丝30均匀缠绕在承托架30上，承托架10套设于容置空间15内，承托架20的形状与容置空间15的空间形状匹配。由图2中可见，发热丝30恰好均匀分布与外壳10的内壁与承托架20的外壁之间，由于发热丝30的一端从承托架20的外部延伸出，另一端从承托架20的内部延伸出，避免了发热丝之间发生短路的问题，提高了发热体的安全可靠性。
优选的外壳10为食品级陶瓷材料，且为一体成型结构，彻底解决了传统分离式壳体与底座在发热丝加热过程中发生壳体与底座分离的问题，进一步提高了发热体的安全可靠性。
优选的还包括温控部件40，温控部件40为K型热电偶或TCR控温模块。K型热电偶的一端从设于承托架30内的通孔穿出，另一端从设于承托架外壁上的凹槽沿承托架30的长度方向延伸穿出。保障对发热体整体温度检测的可靠性，相较于传统的温度检测电偶，K型热电偶和TCR控温模块可有效避免由于温度的升高，温控部件40温度检测不准确的问题，增强了发热体的可靠性。
需要说明本发明不限制承托架30内通孔、承托架30外部凹槽的数量，在实际使用过程中可根据具体的使用情况进行增加或减少。本发明也不限制发热丝引出线、温控部件引出线的位置，在不影响使用的情况下，可根据需要进行调整。
图4为本发明承托架和发热丝一种实施方式的示意图，参考图4，承托架30整体为空心圆柱体，发热丝20的一端从承托架30内部的空心结构31穿出，另一端沿承托架30的外壁呈螺旋状均匀分布，此种缠绕方式一方面保障了加热的均匀性，另一方面有效避免了发热丝之间发生短路的问题，提高发热体的安全可靠性。
优选的承托架30为食品级陶瓷材料，一体成型结构，一致性好，安装方便，降低生产成本，绝缘性好。
实施例二
图5为本发明发热体第二种实施方式的示意图，参考图5，发热体包括呈剑体状的外壳10，外壳10的一端设有剑尖11，外壳10的周身还设有锋刃12，便于将发热体***产品内部如电子烟等的内部进行加热，在外壳10的开口端为底座13，底座13与外壳10的主体结构的结合处设有弧形过渡结构14，加强外壳10根部的强度，保障发热体的使用寿命。
优选的外壳10为食品级陶瓷材料，一体成型结构，一致性好，绝缘性好，相较于传统的分离式外壳与底座结构，加工方便、可靠性高、批量生产成本低。
在外壳10的内部设有承托架（图中未示）和缠绕于承托架上的发热丝20，以及K型热电偶40。
本发明还提供一种电子烟，包括上述任意一种发热体。
由上述可知，本发明通过设置一体成型的扁平状或针状的陶瓷外壳，套设于发热体内的承托架，均匀缠绕于承托架上的发热丝，以及安装于承托架上的温控部件，形成一种结构简单、绝缘性好、发热均匀、使用方便的发热体和应用此种发热体的电子烟。
尽管结合优选实施方案具体展示和介绍了本发明，但所属领域的技术人员应该明白，在不脱离所述权利要求书所限定的本发明的精神和范围内，在形式上和细节上可以对本发明做出各种变化，均为本发明的保护范围。

Claims (10)

  1. 一种陶瓷发热体，其特征在于，包含：扁平状或针状的陶瓷外壳、套设于所述陶瓷外壳内部的承托架，以及均匀缠绕于所述承托架上的发热丝，所述承托架内部为空心结构。
  2. 根据权利要求1所述的陶瓷发热体，其特征在于：所述发热丝的一端从所述承托架的空心结构穿出，另一端沿所述承托架的外壁呈螺旋状分布。
  3. 根据权利要求2所述的陶瓷发热体，其特征在于：所述陶瓷发热体呈空心圆柱状或扁平状，且为一体成型结构。
  4. 根据权利要求3所述的陶瓷发热体，其特征在于：所述承托架为陶瓷材料制成。
  5. 根据权利要求1所述的陶瓷发热体，其特征在于：所述外壳的开口端设有矩形或柱形底座，所述底座与所述外壳的主体结构结合处设有圆弧过渡结构。
  6. 根据权利要求1-5任意一项所述的陶瓷发热体，其特征在于：还包括温控部件，所述温控部件为K型热电偶或TCR控温模块。
  7. 根据权利要求5所述的陶瓷发热体，其特征在于：所述K型热电偶的一端从所述承托架的内部穿出，另一端沿所述承托架的外壁延伸。
  8. 根据权利要求7所述的陶瓷发热体，其特征在于：所述承托架的外壁设有至少一处沿承托架长度方向延伸的凹槽，所述凹槽可用于放置所述K型热电偶和/或发热丝。
  9. 根据权利要求1-5任意一项所述的陶瓷发热体，其特征在于：所述陶瓷外壳为一体成型结构，所述陶瓷外壳整体为剑体形状，所述陶瓷外壳的端部设有剑尖和/或陶瓷外壳的周身边缘处设有锋刃。
  10. 一种电子烟，其特征在于：包含权利要求1-9任意一项所述的陶瓷发热体。
PCT/CN2019/074556 2018-09-21 2019-02-02 一种陶瓷发热体及电子烟 WO2020057046A1 (zh)

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