Heating element in an aerosol-generating device

文档序号:1660795 发布日期:2019-12-27 浏览:18次 中文

阅读说明:本技术 气溶胶生成装置中的加热部件 (Heating element in an aerosol-generating device ) 是由 A·M·罗索尔 O·福尔萨 E·斯图拉 J·C·库拜特 O·米罗诺夫 R·N·巴蒂斯塔 于 2018-05-30 设计创作,主要内容包括:电子气溶胶生成装置包括沿着纵向轴线在第一端与第二端之间延伸的外壳。外壳的第二端限定用于接收含有气溶胶生成基质的消耗品的腔体。所述装置还包括含有加热元件的加热部件,所述加热元件在腔体内沿着纵向轴线延伸,并且被构造成当消耗品插入腔体中时穿透到气溶胶生成基质中。所述加热元件包括具有小于500℃的居里温度的材料。所述装置还包括电感器,所述电感器包括被定位成将磁能传递到所述加热元件的电感器线圈。电感器被配置成在加热元件中感生涡流和/或磁滞损耗。所述装置还包括可操作地连接到电感器的电源和控制电子设备,所述控制电子设备可操作地连接到电源,并且被配置成控制加热元件的加热。(The electronic aerosol generating device includes a housing extending along a longitudinal axis between a first end and a second end. The second end of the housing defines a cavity for receiving a consumable containing an aerosol-generating substrate. The device further comprises a heating member comprising a heating element extending along a longitudinal axis within the cavity and configured to penetrate into the aerosol-generating substrate when the consumable is inserted into the cavity. The heating element comprises a material having a curie temperature of less than 500 ℃. The device also includes an inductor comprising an inductor coil positioned to transfer magnetic energy to the heating element. The inductor is configured to induce eddy current and/or hysteresis losses in the heating element. The apparatus also includes a power source operably connected to the inductor and control electronics operably connected to the power source and configured to control heating of the heating element.)

1. An electronic device for receiving a consumable comprising an aerosol-generating substrate, the electronic device comprising:

a housing extending along a longitudinal axis between a first end and a second end, wherein the second end of the housing defines a cavity for receiving the consumable;

a heating component comprising an elongate heating element extending within the cavity along the longitudinal axis and configured to penetrate into the aerosol-generating substrate when the consumable is inserted into the cavity, wherein the heating element comprises a material having a Curie temperature of less than 500 ℃;

an inductor comprising an inductor coil, the inductor configured to generate eddy current and/or hysteresis losses in the elongated heating element;

a power supply operatively connected to the inductor; and

control electronics operably connected to the power source and configured to control heating of the heating element.

2. An electronic device for receiving a consumable comprising an aerosol-generating substrate, the electronic device comprising:

a housing extending along a longitudinal axis between a first end and a second end, wherein the second end of the housing defines a cavity for receiving the consumable, wherein the housing is configured to releasably couple to a heating member comprising an elongate heating element extending along the longitudinal axis within the cavity when the heating member is coupled to the housing, wherein the heating element is configured to penetrate the aerosol-generating substrate when the consumable is inserted into the cavity;

an inductor comprising an inductor coil, the inductor configured to generate eddy current and/or hysteresis losses in the heating element when the heating component is coupled to the housing;

a power supply operatively connected to the inductor; and

control electronics connected to the power source and configured to control heating of the heating element.

3. The electronic device of claim 2, further comprising the heating component.

4. The electronic device of claim 2 or claim 3, wherein the heating element comprises a material having a Curie temperature of less than 500 ℃.

5. The electronic device of any of the preceding claims, wherein the electronic device comprises a first portion and a second portion, wherein the first portion and the second portion are removably attached to each other, wherein the first portion comprises the inductor and a portion of the housing defining the cavity, and the second portion comprises the heating component.

6. The electronic device of claim 5, wherein the second portion further comprises the power source and the control electronics.

7. The electronic device of claim 6, wherein the inductor is operably coupled to the control electronics and the power source when the first portion is attached to the second portion.

8. The electronic device of claim 5, wherein the first portion further comprises the power source and the control electronics, wherein the heating element is positioned within the cavity such that the housing surrounds the heating element when the first portion is removably attached to the second portion.

9. The electronic device of any of claims 1 and 4-8, wherein the heating element further comprises a protective layer covering an outer surface of a material having a Curie temperature of less than 500 ℃.

10. The electronic device of claim 1 and any of claims 4-9, wherein the control electronics are configured to detect when the heating element reaches a curie temperature of a material having a curie temperature of less than 500 ℃.

11. The electronic device of any of claims 1 and 4-10, wherein the control electronics are configured to turn off or limit the supply of power to the inductor when the temperature of the heating element reaches a curie temperature of a material having a curie temperature of less than 500 ℃, and to turn on or increase the supply of power to the inductor when the temperature of the heating element is below the curie temperature of the material having a curie temperature of less than 500 ℃.

12. The electronic device of claim 1 and any of claims 4-11, wherein the material having a curie temperature of less than 500 ℃ is selected from a nickel alloy and nickel.

13. The electronic device according to claim 1 and any of claims 4-12, wherein the heating element further comprises a second susceptor material positioned in thermal contact with a material having a curie temperature of less than 500 ℃.

14. The electronic device of claim 13 wherein the second susceptor material is selected from the group consisting of aluminum, iron alloys, and stainless steel.

15. The device according to any of claims 13-14, wherein the material having a curie temperature of less than 500 ℃ and the second inductor material are co-laminated and comprise elongated strips of between 3mm and 6mm in width and between 10 and 200 microns in thickness, wherein the thickness of the second susceptor material is greater than the thickness of the material having a curie temperature below 500 ℃.

16. A device according to any one of claims 13-14, wherein the heating element comprises an elongate strip of between 3mm and 6mm in width and between 10 and 200 micrometres in thickness, wherein the heating element comprises a core of material having a curie temperature of less than 500 ℃, which core is at least partially encapsulated by the second susceptor material.

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