WO2021143831A1 - 一种复合型升控温一体式发热元件和控温方法 - Google Patents

一种复合型升控温一体式发热元件和控温方法 Download PDF

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Publication number
WO2021143831A1
WO2021143831A1 PCT/CN2021/072120 CN2021072120W WO2021143831A1 WO 2021143831 A1 WO2021143831 A1 WO 2021143831A1 CN 2021072120 W CN2021072120 W CN 2021072120W WO 2021143831 A1 WO2021143831 A1 WO 2021143831A1
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heating element
temperature
heating
housing
composite
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PCT/CN2021/072120
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English (en)
French (fr)
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李辉
刘翔
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深圳市博迪科技开发有限公司
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Priority to EP21741057.0A priority Critical patent/EP4079171A4/en
Priority to KR1020227025518A priority patent/KR20220139864A/ko
Priority to US17/793,048 priority patent/US20230046048A1/en
Priority to JP2022543491A priority patent/JP7554831B2/ja
Publication of WO2021143831A1 publication Critical patent/WO2021143831A1/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
    • 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
    • A24F40/51—Arrangement of sensors
    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • 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
    • 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
    • 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
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • 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
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/004—Heaters using a particular layout for the resistive material or resistive elements using zigzag layout
    • 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
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • 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 belongs to the technical field of heating elements for novel smoking sets, and particularly relates to a composite heating element and a temperature control method for temperature rise and control integrated.
  • the heating element of the existing heat-not-burn cigarette set is mainly to lay a heating wire and a thermocouple on the substrate to realize heating and temperature measurement. Due to the close distance between the thermocouple and the heating wire, the heating element is prone to short-circuit phenomenon, and the manufacturing process of the heating element is complicated. In addition, the heating circuit and the temperature measuring circuit are designed separately, and the circuit is complicated.
  • the first aspect of the present invention provides a composite temperature raising and control integrated heating element.
  • the heating element 1 includes a heating element 4, which is integrated by welding two different conductive materials at a welding point 3.
  • the heating element 1 is not provided with temperature measuring elements other than the heating element 4.
  • the two kinds of metal or alloy materials are materials that heat up and generate heat when energized after welding, and can be used as thermocouple temperature sensors for temperature measurement under non-energized conditions.
  • the position of the welding point 3 can be selected according to the temperature field distribution of the heating element. Normally, the position of the soldering point 3 is the high temperature position of the entire heating element.
  • the two different conductive materials include: two different metals, two different alloys, or one of the two materials is a metal and the other is an alloy.
  • the shape of the heating element 1 includes a sheet-like structure, a rod-like structure, or a cup-like structure, and the heating element 4 is disposed on the hollow interior or outer wall of the sheet-like structure, the rod-like structure, or the cup-like structure.
  • the heating element 1 further includes: a housing 2;
  • the housing 2 has a hollow cavity
  • the heating element 4 is arranged in the hollow cavity of the housing 1.
  • the end of the heating element 4 has two heating circuit pins 6 exposing the shell 2.
  • the structure of the heating element 4 includes a segmented spiral winding structure or a segmented spiral winding structure, or a broken line structure.
  • the two different conductive material combinations of the heating element 4 include the following three types: platinum-rhodium alloy and platinum, nickel-chromium alloy and nickel-silicon alloy, nickel-chromium-silicon alloy and nickel-silicon alloy.
  • the inner wall of the hollow cavity of the housing 2 has an insulating layer.
  • the material of the housing 2 is selected from ceramics, metals, metal oxides, or alloys.
  • the shape of the shell 3 is a hollow cylindrical shape with a tip or a sword shape
  • the housing 2 may be formed by pressing multiple pieces of materials, or may be integrally formed.
  • the heating element further includes a base 5 arranged at the bottom of the heating element.
  • the heating element 4 of the base 5 provides fixation and protection.
  • the second aspect of the present invention provides a method for controlling the temperature of a composite heating element integrated with temperature rise and control.
  • the heating element 1 described in the first aspect is electrically connected to the circuit control device through two heating circuit pins 6 thereon.
  • the temperature control method includes the following steps:
  • Step A Adjust the circuit control device to supply the first voltage V 0 to the heating element 1.
  • the heating element 4 has a current passing through it, and the heating element 4 heats up and generates heat as a heating element to achieve temperature control;
  • Step B Adjust the circuit control device to stop the supply of voltage to the heating element 1.
  • the heating element 4 acts as a thermocouple temperature sensor to detect the temperature of the heating element 1 to achieve temperature detection.
  • the voltage supplied to the heating element 4 is periodically adjusted by a circuit control device to periodically realize the temperature control and the temperature detection process.
  • the present invention designs a temperature-rising and temperature-control integrated heating element for the first time, which provides a new method for heating and non-burning cigarette heating elements.
  • the heating element is welded by two conductive materials. When a high voltage is applied, the two conductive materials are used as heating elements to generate heat; when the voltage supply is stopped, the two conductive materials are used as thermocouple temperature sensors to measure the temperature of the heating element.
  • the temperature measuring sensor is reduced, the manufacturing process of the heating element is simplified, the performance of the heating element is improved, the smoking effect is improved, the production cost is reduced, and the consumer has a better user experience.
  • Fig. 1 is a schematic diagram of a composite temperature-rising and control-integrated heating element in Example 1.
  • Figure 2 is a waveform diagram of temperature control and detection signals of a composite heating element with integrated temperature rise and control in the second embodiment.
  • a composite heating element 1 with integrated temperature raising and control includes: a housing 2, a welding point 3, a heating element 4, and a base 5.
  • the heating element 1 is not provided with temperature measuring elements other than the heating element 4.
  • the heating element 1 has a rod shape with a tip.
  • the shell 2 is formed by pressing two metal sheets, the boundary of the two sheets is pressed and sealed, and the cavity left in the middle contains the heating element 4 inside.
  • the heating element 4 is formed by welding two different alloy materials, nickel-chromium alloy and nickel-silicon alloy, at the welding point 3 into a whole body.
  • the heating element 4 is a spirally wound filament structure, and the end has two heating circuit pins 6 exposing the housing 2 and the base 5.
  • the base 5 is arranged at the bottom of the heating element.
  • a method for measuring the temperature of a composite heating element with integrated temperature rise and control The heating element 1 described in embodiment 1 is electrically connected to the positive and negative poles of a circuit control device through two heating circuit pins 6 thereon.
  • the temperature control method includes the following steps:
  • the electronic switch is adjusted by PWM to adjust the voltage supplied to the heating element 4, and the temperature is controlled; when the temperature is detected (the voltage is 0 In the state), the heating element 4 tests the temperature of the heating element within t 0 time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Resistance Heating (AREA)
  • Resistance Heating (AREA)

Abstract

一种复合型升控温一体式发热元件（1）和控温方法，发热元件（1）包括：发热体（4），其通过两种不同导电材料在焊接点（3）处焊接而成为一体，发热元件（1）上未设置除发热体（4）以外的测温元件。升控温一体式发热元件（1）的发热体（4）由两种导电材料焊接而成，在通高电压时，两种导电材料作为发热体（4）进行发热；在停止供给电压时，两种导电材料作为热电偶测温传感器，测量发热元件（1）的温度。与现有发热元件相比减少了测温传感器，简化发热元件（1）的制作工艺，提高了发热元件（1）的性能，提升烟支烘烤效果，降低生产成本，给消费者带来更好的使用体验。

Description

一种复合型升控温一体式发热元件和控温方法 技术领域
本发明属于新型烟具发热元件技术领域，特别涉及一种复合型升控温一体式发热元件和控温方法。
背景技术
现有加热不燃烧卷烟烟具的发热元件主要是在基体上铺设发热丝及热电偶来实现发热及测温。由于热电偶与发热丝之间距离较近，发热元件容易发生短路现象，且发热元件制作工艺复杂。且发热电路与测温电路分开设计，电路复杂。
发明内容
为了解决上述问题，提出本发明。
本发明第一方面提供一种复合型升控温一体式发热元件，所述发热元件1包括：发热体4，其通过两种不同导电材料在焊接点3处焊接而成为一体，所述发热元件1上未设置除所述发热体4以外的测温元件。
两种金属或合金材料为焊接后在通电情况下进行升温发热，不通电情况下可作为热电偶测温传感器进行测温的材料。
所述焊接点3可根据所述发热元件温度场分布进行位置选择。通常情况下，焊接点3的位置为整个发热元件的高温位置。
优选地，所述两种不同导电材料包括：两种不同金属、两种不同合金、或者两种材料中一种为金属另一种为合金。
优选地，所述发热元件1的形状包括片状结构、棒状结构、或杯状结构，所述发热体4设置在所述片状结构、棒状结构、或杯状结构的中空内部或者外壁上。
优选地，所述发热元件1还包括：外壳2；
其中，所述外壳2具有中空腔体；
所述发热体4设置在所述外壳1的中空腔体内。
所述发热体4末端具有露出所述外壳2的2个发热线路引脚6。
优选地，所述发热体4的结构包括一段螺旋缠绕结构或分段螺旋缠绕结构，或者为折线式结构。
优选地，所述发热体4的两种不同导电材料组合包括以下三种：铂铑合金和铂、镍铬合金和镍硅合金、镍铬硅合金和镍硅合金。
优选地，所述外壳2的中空腔体内壁具有绝缘层。
优选地，所述外壳2材料选自陶瓷、金属、金属氧化物、或合金。
所述外壳3的形状为具有尖端的中空圆柱形或宝剑形，
优选地，所述外壳2可由多片材质压合而成，也可以一体成型。
优选地，所述发热元件还包括底座5，其设置在所述发热元件的底部。底座5发热体4提供固定和保护作用。
本发明第二方面提供一种复合型升控温一体式发热元件的控温方法，将第一方面所述的发热元件1通过其上的2个发热线路引脚6电连接到电路控制装置的正负极，所述控温方法包括以下步骤：
步骤A：调节所述电路控制装置，使其供给所述发热元件1第一电压V 0，此时所述发热体4有电流通过，所述发热体4升温发热作为发热体，实现温度控制；
步骤B：调节所述电路控制装置，停止供给所述发热元件1电压，此时，所述发热体4作为热电偶测温传感器，对所述发热元件1的温度进行检测，实现温度检测。
优选地，在一定时间内，通过电路控制装置周期性调节供给所述发热体4的电压，周期性实现所述温度控制和所述温度检测过程。
上述技术方案在不矛盾的前提下，可自由组合。
本发明具有以下有益效果：
本发明首次设计了一种升控温一体式发热元件，为加热不燃烧卷烟发热元件的控温思路提供一种新方法。发热体由两种导电材料焊接而成，在通高电压时，两种导电材料作为发热体进行发热；在停止供给电压时，两种导电材料作为热电偶测温传感器，测量发热元件的温度。与现有发热元件相比减少了测温传感器，简化发热元件的制作工艺，提高了加热元件的性能，提升烟支烘烤效果，降低生产成本，给消费者带来更好的使用体验。
附图说明
图1是实施例1一种复合型升控温一体式发热元件示意图。
图2是实施例2一种复合型升控温一体式发热元件的温度控制、检测信号波形 图。
附图标记列表：
1-发热元件，2-外壳，3-焊接点，4-发热体，5-底座，6-发热线路引脚。
具体实施方式
下面通过具体实施方式进一步说明本发明的内容。
实施例1
如图1所示，一种复合型升控温一体式发热元件1包括：外壳2，焊接点3，发热体4，底座5。所述发热元件1上未设置除所述发热体4以外的测温元件。
所述发热元件1为具有尖端的棒状。所述外壳2为两片金属片压合而成，两片的边界压合封死，中间留有的空腔，其内放置发热体4。所述发热体4是由两种不同合金材料镍铬合金和镍硅合金在焊接点3处焊接而成一体。所述发热体4为一段螺旋缠绕形式的丝状结构，末端具有露出所述外壳2和所述底座5的2个发热线路引脚6。所述底座5设置在所述发热元件的底部。
实施例2
一种复合型升控温一体式发热元件的测温方法，将实施例1所述的发热元件1通过其上的2个发热线路引脚6电连接到电路控制装置的正负极，所述控温方法包括以下步骤：
如图2所示，在温度控制(电压为＝电池电压的状态下)，通过PWM调节电子开关进而调节所供电压给所述发热体4，对其进行温度控制；在温度检测(电压为0的状态下)，所述发热体4在t 0时间内对发热元件的温度进行测试。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种复合型升控温一体式发热元件，其特征在于，所述发热元件(1)包括：发热体(4)，其通过两种不同导电材料在焊接点(3)处焊接而成为一体，所述发热元件(1)上未设置除所述发热体(4)以外的测温元件。
  2. 根据权利要求1所述的发热元件，其特征在于，所述两种不同导电材料包括：两种不同金属、两种不同合金、或者两种材料中一种为金属另一种为合金。
  3. 根据权利要求1所述的发热元件，其特征在于，所述发热元件(1)的形状包括片状结构、棒状结构、或杯状结构，所述发热体(4)设置在所述片状结构、棒状结构、或杯状结构的中空内部或者外壁上。
  4. 根据权利要求1所述的发热元件，其特征在于，所述发热元件(1)还包括：外壳(2)；
    其中，所述外壳(2)具有中空腔体；
    所述发热体(4)设置在所述外壳1的中空腔体内；
    所述发热体(4)末端具有露出所述外壳(2)的2个发热线路引脚(6)。
  5. 根据权利要求1所述的发热元件，其特征在于，所述发热体(4)的结构包括一段螺旋缠绕结构或分段螺旋缠绕结构，或者为折线式结构。
  6. 根据权利要求1所述的发热元件，其特征在于，所述发热体(4)的两种不同导电材料组合包括以下三种：铂铑合金和铂、镍铬合金和镍硅合金、镍铬硅合金和镍硅合金。
  7. 根据权利要求4所述的发热元件，其特征在于，所述外壳(2)的中空腔体内壁具有绝缘层。
  8. 根据权利要求4所述的发热元件，其特征在于，所述外壳(2)材料选自陶瓷、金属、金属氧化物、或合金。
  9. 一种复合型升控温一体式发热元件的控温方法，其特征在于，将权利要求1所述的发热元件(1)通过其上的2个发热线路引脚(6)电连接到电路控制装置的正负极，所述控温方法包括以下步骤：
    步骤A：调节所述电路控制装置，使其供给所述发热元件(1)第一电压V 0，此时所述发热体(4)有电流通过，所述发热体(4)升温发热作为发热体，实现温度控制；
    步骤B：调节所述电路控制装置，停止供给所述发热元件(1)电压，此时，所述发热体(4)作为热电偶测温传感器，对所述发热元件(1)的温度进行检测， 实现温度检测。
  10. 根据权利要求9所述的控温方法，其特征在于，在一定时间内，通过电路控制装置周期性调节供给所述发热体(4)的电压，周期性实现所述温度控制和所述温度检测过程。
PCT/CN2021/072120 2020-01-17 2021-01-15 一种复合型升控温一体式发热元件和控温方法 WO2021143831A1 (zh)

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