WO2023040337A1 - 一种轴向半分区发热管、电子雾化装置及加热方法 - Google Patents

一种轴向半分区发热管、电子雾化装置及加热方法 Download PDF

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Publication number
WO2023040337A1
WO2023040337A1 PCT/CN2022/095348 CN2022095348W WO2023040337A1 WO 2023040337 A1 WO2023040337 A1 WO 2023040337A1 CN 2022095348 W CN2022095348 W CN 2022095348W WO 2023040337 A1 WO2023040337 A1 WO 2023040337A1
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WIPO (PCT)
Prior art keywords
heating
resistance layer
heating resistance
tube
base tube
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PCT/CN2022/095348
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English (en)
French (fr)
Inventor
莫和臣
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深圳市基克纳科技有限公司
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Publication of WO2023040337A1 publication Critical patent/WO2023040337A1/zh

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Classifications

    • 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
    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible

Definitions

  • the invention belongs to the technical field of heating, and in particular relates to an axial half-partition heating tube, an electronic atomization device including the same, and a heating method.
  • One-stage overall heating needs to heat the entire HNB cigarette, and the preheating time is long; and because the whole HNB cigarette will be baked, the smoking time will be short; because it is always baked and heated as a whole , the aerosol content of heat-not-burn cigarettes will be lower and lower, resulting in low aerosol content in the follow-up, poor consistency of atomization, and affecting the taste.
  • the preheating time of the existing multi-stage heating tube is shorter than that of the one-stage heating tube, there is still a lot of room for improvement in the consistency of the atomized cigarette after use.
  • both the central heating type heating element and the circumferential heating tube have the problem of uneven atomization of the entire smoking section when heating the smoking section of the cigarette.
  • the part of the smoking section that is in direct contact with the heating element or heating tube has the best heat transfer effect, the most sufficient atomization, and even carbonization caused by overheating; while the part of the smoking section that is far away from the heating element or heating tube due to poor heat transfer Fully prone to incomplete atomization.
  • the first aspect of the present invention provides an axial half-partition heating tube, the heating tube includes:
  • Heating substrate tube 1
  • the first heating resistor layer 2, the second heating resistor layer 3 and the third heating resistor layer 4 independently arranged on or inside the heating base tube 1;
  • the first heating resistance layer 2 is arranged at the lower section of the heating base tube 1
  • the second heating resistance layer 3 and the third heating resistance layer 4 are arranged side by side at the upper section of the heating base tube 1 .
  • the first heating resistor layer 2 surrounds the lower section of the heating base tube 1 in a circular shape
  • the second heating resistor layer 3 and the third heating resistor layer 4 are arranged symmetrically and respectively surround the lower section of the heating base tube in a semicircular shape.
  • the upper section of the heat-generating substrate tube 1 is described.
  • the first heating resistor layer 2 basically covers the peripheral outer surface of the lower section of the heating base tube 1 .
  • the upper section of the heating base tube 1 refers to a section of the heating base tube 1 that is close to the mouthpiece of a heat-not-burn cigarette when it is used in a heat-not-burn smoking device.
  • the lower section of the heating base tube 1 refers to a section away from the cigarette holder of the heating-not-burning cigarette when the heating-not-burning tube 1 is used in a heat-not-burn smoking device.
  • the sum of the lengths of the upper section of the heating base tube 1 and the lower section of the heating base tube 1 is less than or equal to the total length of the heating base tube 1 .
  • the length of the upper section of the heat-generating base tube 1 is greater than, less than or equal to 1/2 of the total length of the heat-generating base tube 1 .
  • the length of the lower section of the heat-generating base tube 1 is less than, greater than or equal to half of the total length of the heat-generating base tube 1 .
  • the length of the upper section of the heating base tube 1 is equal to the length of the smoking section of the heat-not-burn cigarette. And the upper section of the heating base tube 1 can be adjusted according to the length of the smoking section of the heat-not-burn cigarette.
  • the first heating resistance layer 2 and the second heating resistance layer 3 are arranged in series to form a first heating area
  • the first heating resistance layer 2 and the third heating resistance layer 4 are arranged in series to form a second heating area. At this time, the first heating area and the second heating area generate heat at different times.
  • the first heating resistance layer 2 , the second heating resistance layer 3 and the third heating resistance layer 4 are respectively and independently arranged on the inner surface, the outer surface or the inside of the heating base tube 1 .
  • the form of the heat-generating resistance layer disposed on the heat-generating base tube 1 can be selected in any suitable form, such as printing, sintering and the like.
  • the first heating resistor layer 2 , the second heating resistor layer 3 and the third heating resistor layer 4 are heating traces.
  • the above-mentioned heat-generating resistance layer may also be in other forms such as heat-generating resistance sheets.
  • the heating track includes at least one straight line segment and at least one broken line segment.
  • the straight line segment is parallel to the axis of the heat-generating base tube 1 , and the broken line segment has multiple broken lines forming a certain angle with the straight line segment. More preferably, the certain angle is 90 degrees.
  • the heating track can also be in other shapes, and bend and extend on the heating base tube 1 .
  • the heating track is bent in a continuous "U” shape, "V” shape, “ ⁇ ” shape, “X” shape, etc., or extends according to a specific bending rule.
  • the heating track can be single or multiple heating resistance wires.
  • the heating pipe also includes a first electrode pin 5 connected to the end of the first heating resistor layer 2, a second common electrode pin 6 connected to the three heating resistor layers at the same time, and a second common electrode pin 6 connected to the second heating resistor layer.
  • the inner diameter of the upper section of the heating base tube 1 is larger than the inner diameter of the lower section of the heating base tube 1;
  • the inner diameter of the upper section of the heating base tube 1 is equal to or slightly larger than the outer diameter of the smoking section of the heat-not-burn cigarette.
  • the lower section of the heating base tube 1 is smaller than the outer diameter of the smoking section of the heat-not-burn cigarette, so that the smoking section of the heat-not-burn cigarette is limited to the inside of the upper section of the heating base tube 1;
  • a limiting member is provided between the upper section of the heating base tube 1 and the lower section of the heating base tube 1, and the limiting piece limits the inner diameter of the heating base tube 1 here to be smaller than the upper section of the heating base tube 1
  • the limiting member is an inner flange protruding radially relative to the inner wall of the heat-generating base pipe 1, or the limiting member is a partition mesh plate arranged between the upper section and the lower section of the heating base pipe 1.
  • the limiting member can be any form of component, as long as the smoking section of the heat-not-burn cigarette is limited to the upper section of the heating base tube 1 to prevent it from falling to the lower section of the heating base tube 1 .
  • the limiting part is high temperature resistant, and its material can be the same as that of the heating base tube 1 .
  • the heat-generating base pipe 1 is made of rigid heat-conducting material, such as metal and ceramics.
  • the heating base tube 1 is insulated from the first heating resistance layer 2 , the second heating resistance layer 3 and the third heating resistance layer 4 .
  • heat-generating base tube 1 is made of metal, an insulating layer is provided between it and the above-mentioned heat-generating resistor layer.
  • the outer surface of the heating pipe can also be provided with an insulating layer or a protective layer, such as a glass glaze layer.
  • the above-mentioned heating resistance layers of the present invention also have a temperature measurement function, which integrates heating and temperature measurement, and does not require additional temperature measurement equipment.
  • the second aspect of the present invention provides an electronic atomization device, the electronic atomization device includes the axial half-partitioned heating tube according to any one of claims 1-7, the upper section of the heating base tube 1 is close to the electronic The mouthpiece configuration of the atomizer.
  • the mouthpiece of the electronic atomization device may also be in the form of a cigarette insertion port or the like.
  • the third aspect of the present invention provides a heating method, which uses the axial half-partition heating pipe described in any one of the first aspect of the present invention, the heating method includes a first heating stage and a second heating stage, in the first heating In the second heating stage, power is supplied to the first heating resistor layer 2 and the second heating resistor layer 3 to generate heat, and in the second heating stage, power is supplied to the first heating resistor layer 2 and the third heating resistor layer 4 to generate heat.
  • the heating temperature of the first heating resistance layer 2 is 200-300 degrees Celsius, so as to fully heat the air in the lower section of the heating tube to form a hot air flow to flow into the smoking section of the HNB cigarette so that the tobacco substance is absorbed Heat evenly.
  • the heating temperature of the second heating resistance layer 3 and the third heating resistance layer 4 is lower than 180 degrees Celsius. At this temperature, the smoking section does not generate aerosols.
  • the second heating resistance layer 3 and the third heating resistance layer 4. It only plays the role of preheating the smoking section. First, it can prevent the smoke generated by the hot airflow from heating the smoking section from condensing too quickly. Second, it can work together with the hot airflow to heat the smoking section so that it can be fully heated and atomized.
  • the heating of the first heating resistance layer 2 and the preheating of the second heating resistance layer 3/third heating resistance layer 4 can make the substances in the smoking section of the heating non-burning cigarette fully and Uniform atomization and smoke.
  • the difference in the heating temperature of the first heating resistor layer 2 , the second heating resistor layer 3 and the third heating resistor layer 4 can be achieved by using heating wires with different resistivities.
  • the present invention has the following beneficial effects:
  • the heating tube of the present invention supplies power to the first heating resistor layer 2 and the second heating resistor layer 3 to generate heat when the electronic atomization device is preheating and the first half of the pumping, so the first heating resistor layer 2 and the second heating resistor layer
  • the cigarette that is in contact with the heating tube corresponding to the heating resistance layer 3 in the axial direction will heat up rapidly and reach the temperature that can be smoked; in the second half of the smoking period, power is supplied to the first heating resistance layer 2 and the third heating resistance layer 4 , to atomize the remaining aerosol of the cigarette for the user to inhale, which can improve the consistency and stability of the smoke before and after smoking, and avoid the uneven amount of smoke before and after the cigarette is inhaled.
  • the inner diameters of the upper section and the lower section of the heating tube of the present invention are different or a limit piece is provided between the two sections, the upper section of the heating tube is used to accommodate the smoking section of the HNB cigarette, and the lower section of the heating tube is used for heating
  • the air entering from the smoking appliance forms a hot air flow. This way of heating with hot airflow can heat the material in the smoking section more evenly.
  • the present invention can improve the consistency and stability of the smoke before and after smoking, and avoid the uneven amount of smoke before and after the cigarette is drawn.
  • Fig. 1 is a perspective view of an axially half-partitioned heat pipe.
  • Fig. 2 is a schematic diagram showing the expansion of the heating resistor layer on the axial half-partitioned heating tube.
  • Heating base tube 2. The first heating resistance layer, 3. The second heating resistance layer, 4. The third heating resistance layer, 5. The first electrode pin, 6. The second common electrode pin, 7. The third Three electrode pins, 8, the fourth electrode pin.
  • An axial half-partition heating tube the heating tube includes: a heating base tube 1, a first heating resistance layer 2, a second heating resistance layer 3, a third heating resistance layer 4, a first electrode pin 5, a second heating resistance layer
  • the common electrode pin 6 , the third electrode pin 7 , and the fourth electrode pin 8 The common electrode pin 6 , the third electrode pin 7 , and the fourth electrode pin 8 .
  • the first heating resistance layer 2 surrounds the lower section of the heating base tube 1 in a circular shape
  • the second heating resistance layer 3 and the third heating resistance layer 4 are arranged symmetrically and surround the heating base pipe 1 in a semicircular shape respectively.
  • the sum of the upper section of the heating base tube 1 and the lower section of the heating base tube 1 is the total length of the heating base tube 1 .
  • the length ratio of the upper section of the heating base tube 1 to the lower section of the heating base tube 1 is 3:2.
  • a limiting member (not shown in the drawings) is provided between the upper section and the lower section of the heating base tube 1 , specifically, the limiting member is an inner wall protruding radially inward relative to the inner wall of the heating base tube 1 . flange.
  • the upper section of the heat-generating base tube 1 is used to accommodate the smoking section of the heat-not-burn cigarette. The lower end of the smoking section is against the limit piece.
  • the first heating resistor layer 2 , the second heating resistor layer 3 and the third heating resistor layer 4 are all heating traces, and are respectively and independently arranged on the outer surface of the heating base tube 1 .
  • the upper end of the first heating resistor layer 2 and the lower end of the second heating resistor layer 3 are connected through the second common electrode pin 6, so that the first heating resistor layer 2 and the second heating resistor layer 3 are arranged in series to form a second A hot zone.
  • the upper end of the first heating resistance layer 2 and the lower end of the third heating resistance layer 4 are connected through the second common electrode pin 6, so that the first heating resistance layer 2 and the third heating resistance layer 4 are arranged in series to form a second Two fever.
  • the lower end of the first heating resistor layer 2 is connected to the first electrode pin 5 for external power supply.
  • the upper end of the second heating resistor layer 3 is connected to the third electrode pin 7 for external power supply.
  • the upper end of the third heating resistor layer 4 is connected to the fourth electrode pin 8 for external power supply.
  • the first electrode pin 5 is used, and the third electrode pin 7 and the fourth electrode pin 8 are selected for use, so that the first heating area and the second heating area generate heat at different times.
  • the first heating resistor layer 2 is a common heating resistor layer.
  • the above heating trajectory includes several straight line segments and several broken line segments.
  • the straight line is parallel to the axis of the heat-generating substrate tube 1 , and the broken line has multiple broken lines at 90 degrees to the straight line.
  • the heating track may be a single heating resistance wire.
  • the heating base tube 1 is made of ceramics.
  • Fig. 1 is a perspective view of an axially half-divided heat pipe in Embodiment 1.
  • Fig. 2 is a schematic diagram showing the development of the heating resistance layers (the first heating resistance layer 2 , the second heating resistance layer 3 and the third heating resistance layer 4 ) on the axially half-divided heating tube of Embodiment 1.
  • the heating resistor layer basically covers the entire outer surface of the heating pipe.
  • the positions of the first electrode pin 5 , the second common electrode pin 6 , the third electrode pin 7 , and the fourth electrode pin 8 are schematically shown.

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Abstract

本发明属于加热技术领域，具体涉及一种轴向半分区发热管、包含其的电子雾化装置及加热方法。所述发热管包含：发热基体管（1）；设置在所述发热基体管（1）上第一发热电阻层（2）、第二发热电阻层（3）和第三发热电阻层（4）；所述第一发热电阻层（2）设置在下段，所述第二发热电阻层（3）和第三发热电阻层（4）并排设置在上段。发热管在雾化装置预热和前半段抽吸时，给第一发热电阻层（2）和所述第二发热电阻层（3）供电发热，此处的发热管接触的烟支会快速升温，达到可抽吸的温度；在抽吸的后半段，给第一发热电阻层（2）和所述第三发热电阻层（4）供电，将烟支剩余的气溶胶雾化。使用本发明的发热管可以提高抽吸前后烟气量的一致性和稳定性。

Description

一种轴向半分区发热管、电子雾化装置及加热方法 技术领域
本发明属于加热技术领域，具体涉及一种轴向半分区发热管、包含其的电子雾化装置及加热方法。
 背景技术
现有的电子雾化装置的发热管一般有两种，一种是一段式整体加热，另一种是沿轴向的两段式或多段式加热。一段式整体加热需要给整个加热不燃烧烟支进行加热，预热时间长；且由于会对加热不燃烧烟支的整体进行烘烤，会导致可抽吸时间短；由于始终为整体烘烤加热，加热不燃烧烟支的气溶胶含量会越来越低，导致后续的气溶胶含量过低，雾化的一致性差，影响口感。现有的多段式加热管，预热时间虽然较一段式加热管有所减少，但雾化烟支使用后的前后一致性仍然有较大提升空间。
此外，中心加热型发热元件和周向加热管在加热烟支发烟段时，都存在发烟段整体雾化不均匀的问题。发烟段与加热元件或加热管直接接触的部分传热效果最好，雾化最充分，甚至出现过度加热导致的碳化现象；而发烟段上远离加热元件或加热管的部分由于传热不充分容易出现雾化不完全的现象。
为了解决以上问题，提出本发明。
 技术解决方案
本发明第一方面提供一种轴向半分区发热管，所述发热管包含：
发热基体管1；
独立设置在所述发热基体管1上或内部的第一发热电阻层2、第二发热电阻层3和第三发热电阻层4；
其中，所述第一发热电阻层2设置在所述发热基体管1的下段，所述第二发热电阻层3和第三发热电阻层4并排设置在所述发热基体管1的上段。
优选地，所述第一发热电阻层2呈圆周型环绕所述发热基体管1的下段，所述第二发热电阻层3和第三发热电阻层4对称设置且分别呈半圆周型环绕在所述发热基体管1的上段。
所述第一发热电阻层2基本覆盖所述发热基体管1的下段的周向外表面。
本文中，“上”和“下”为相对术语。所述发热基体管1的上段指的是所述发热基体管1配置在加热不燃烧烟具内使用时，靠近加热不燃烧烟支的烟嘴的一段。所述发热基体管1的下段指的是所述发热基体管1配置在加热不燃烧烟具内使用时，远离加热不燃烧烟支的烟嘴的一段。
所述发热基体管1的上段和所述发热基体管1的下段长度之和小于或等于所述发热基体管1的总长。
所述发热基体管1的上段的长度大于、小于或等于所述发热基体管1的总长的二分之一。
所述发热基体管1的下段的长度小于、大于或等于所述发热基体管1的总长的二分之一。
所述发热基体管1的上段的长度等于加热不燃烧烟支的发烟段的长度。且所述发热基体管1的上段可以根据加热不燃烧烟支的发烟段的长度进行调节。
优选地，所述第一发热电阻层2和第二发热电阻层3串联设置形成第一发热区，所述第一发热电阻层2和第三发热电阻层4串联设置形成第二发热区，工作时所述第一发热区和第二发热区在不同时间发热。
上述串联方式是通过各发热电阻层端部之间的电连接实现。
优选地，所述第一发热电阻层2、第二发热电阻层3和第三发热电阻层4分别独立地设置在所述发热基体管1的内表面、外表面或者内部。
上述发热电阻层设置在所述发热基体管1的形式可以选择任何合适的形式，例如印刷、烧结等。
优选地，所述第一发热电阻层2、所述第二发热电阻层3和第三发热电阻层4为发热轨迹。
当然，上述发热电阻层还可以为发热电阻片等其他形式。
优选地，所述发热轨迹包含至少一段直线段和至少一段折线段。
优选地，所述直线段平行于所述发热基体管1的轴线，所述折线段在具有多段与所述直线段呈一定角度的折线。更优选地，一定角度为90度。
当然，所述发热轨迹还可以为其他的形状，在所述发热基体管1上折弯延伸。例如所述发热轨迹呈连续的侧“U”型、“V”型、“Ω”型、“X”型等折弯，或按照特定的弯曲规则进行延伸。
所述发热轨迹可以为单根或多根加热电阻丝。
优选地，所述发热管还包含连接第一发热电阻层2端部的第一电极引脚5、同时连接三个发热电阻层的第二公共电极引脚6、连接所述第二发热电阻层3端部的第三电极引脚7和连接第三发热电阻层4端部的第四电极引脚8。
优选地，所述发热基体管1的上段的内径大于所述发热基体管1的下段的内径；
即所述发热基体管1的上段内径等于或略大于加热不燃烧烟支的发烟段的外径。所述发热基体管1的下段小于加热不燃烧烟支的发烟段的外径，以将加热不燃烧烟支的发烟段限位于所述发热基体管1的上段内部；
或者在所述发热基体管1的上段和所述发热基体管1的下段之间设置有限位件，此限位件限定此处所述发热基体管1的内径小于所述发热基体管1的上段的内径，例如限位件是相对所述发热基体管1内壁径向突出的内凸缘，或者此限位件是设置在所述发热基体管1的上段和下段之间的分隔网板。
当然，限位件可以是任何形式的部件，只要将加热不燃烧烟支的发烟段限定在所述发热基体管1的上段，防止其掉落到所述发热基体管1的下段即可。
限位件是耐高温的，其材质可与发热基体管1相同。
优选地，发热基体管1为刚性导热材料，例如金属、陶瓷。
发热基体管1与第一发热电阻层2、第二发热电阻层3和第三发热电阻层4均彼此绝缘。
若发热基体管1为金属，则其和上述发热电阻层之间设有绝缘层。
所述发热管的外表面还可以设置绝缘层或保护层，例如玻璃釉层。
本发明的上述发热电阻层还均具有测温功能，发热测温一体，不需要额外的测温设备。
本发明第二方面提供一种电子雾化装置，所述电子雾化装置包含权利要求1-7任一项所述的轴向半分区发热管，所述发热基体管1的上段靠近所述电子雾化装置的烟嘴配置。所述电子雾化装置的烟嘴具体还可以为烟支插入口等形式。
本发明第三方面提供一种加热方法，其使用本发明第一方面任一项所述的轴向半分区发热管，所述加热方法包含第一加热阶段和第二加热阶段，在第一加热阶段，给第一发热电阻层2和所述第二发热电阻层3供电使其发热，在第二加热阶段，给第一发热电阻层2和所述第三发热电阻层4供电使其发热。
优选地，第一发热电阻层2的加热温度为200~300摄氏度，以充分加热发热管下段内的空气，形成热气流以流动到加热不燃烧烟支的发烟段内使其的烟草物质被均匀加热。
所述第二发热电阻层3和第三发热电阻层4的加热温度低于180摄氏度，在此温度下，发烟段不产生气溶胶，所述第二发热电阻层3和第三发热电阻层4仅仅起到预热发烟段的作用，第一可防止热气流加热发烟段产生的烟雾过快的冷凝，第二可与热气流共同作用加热发烟段使其被充分加热雾化。
工作时，通过第一发热电阻层2加热和第二发热电阻层3/第三发热电阻层4预热两方面的作用共同才能使得加热不燃烧烟支的发烟段内的物质被充分且且均匀雾化而发烟。
上述第一发热电阻层2、第二发热电阻层3和第三发热电阻层4加热温度的不同可以通过使用不同电阻率的发热丝实现。
 有益效果
相对于现有技术，本发明具有以下有益效果：
1、本发明的发热管在电子雾化装置预热和前半段抽吸时，给第一发热电阻层2和第二发热电阻层3供电发热，因此第一发热电阻层2和所述第二发热电阻层3轴向对应的发热管处接触的烟支会快速升温，达到可抽吸的温度；在抽吸的后半段时间，给第一发热电阻层2和第三发热电阻层4供电，将烟支剩余的气溶胶雾化，供用户抽吸，可以提高抽吸前后出烟的一致性和稳定性，避免烟支抽吸过程中前后烟雾量不均匀。
2、优选的技术方案中，本发明发热管上段和下段的内径不同或者两段之间设置限位件，发热管上段用于容纳加热不燃烧烟支的发烟段，发热管下段用于加热从烟具内进入的空气形成热气流。此种用热气流加热的方式对发烟段内物质加热更加均匀。
在电子雾化装置预热和前半段抽吸时，给第一发热电阻层2和所述第二发热电阻层3供电发热，由于热气流和第二发热电阻层3预热的共同作用，使得第二发热电阻层3轴向对应的发热管处接触的烟支会快速升温，达到可抽吸的温度，第二发热电阻层3对应的半边发烟段充分雾化产生气溶胶。而第三发热电阻层4未开启预热，因此第三发热电阻层4对应的另外半边发烟段仅仅有热气流通过，并不能充分产生气溶胶。
在抽吸的后半段时间，给第一发热电阻层2和所述第三发热电阻层4供电，将第三发热电阻层4对应的另外半边发烟段中的剩余气溶胶充分雾化，供用户抽吸。因此，本发明可以提高抽吸前后出烟的一致性和稳定性，避免烟支抽吸过程中前后烟雾量不均匀。
 附图说明
图1为一种轴向半分区发热管的立体图。
图2为一种轴向半分区发热管上发热电阻层展开示意图。
附图说明：
1、发热基体管，2、第一发热电阻层，3、第二发热电阻层，4、第三发热电阻层，5、第一电极引脚，6、第二公共电极引脚，7、第三电极引脚，8、第四电极引脚。
 本发明的实施方式
下面对本发明通过实施例作进一步说明,但不仅限于本实施例。实施例中未注明具体条件的实验方法,通常按照常规条件以及手册中所述的条件,或按照制造厂商所建议的条件所用的通用设备、材料、试剂等，如无特殊说明，均可从商业途径得到。以下实施例和对比例中所需要的原料均为市售。
实施例1
一种轴向半分区发热管，所述发热管包含：发热基体管1、第一发热电阻层2、第二发热电阻层3、第三发热电阻层4、第一电极引脚5、第二公共电极引脚6、第三电极引脚7、第四电极引脚8。
其中，所述第一发热电阻层2呈圆周型环绕所述发热基体管1的下段，所述第二发热电阻层3和第三发热电阻层4对称设置且分别呈半圆周型环绕在所述发热基体管1的上段。
所述发热基体管1的上段和所述发热基体管1的下段之和为所述发热基体管1的总长。所述发热基体管1的上段和所述发热基体管1的下段长度比例为3:2。所述发热基体管1的上段和下段之间设置有限位件（附图未示意出），具体的，限位件是相对所述所述发热基体管1的内壁径向向内凸出的内凸缘。所述发热基体管1的上段用于容纳加热不燃烧卷烟的发烟段。发烟段下端部抵靠在限位件上。
所述第一发热电阻层2、第二发热电阻层3和第三发热电阻层4均为发热轨迹，分别独立地设置在所述发热基体管1的外表面。
所述第一发热电阻层2的上端部和第二发热电阻层3下端部通过第二公共电极引脚6连接，使得所述第一发热电阻层2和第二发热电阻层3串联设置形成第一发热区。所述第一发热电阻层2的上端部和第三发热电阻层4下端部通过第二公共电极引脚6连接，使得所述第一发热电阻层2和第三发热电阻层4串联设置形成第二发热。发热管工作时所述第一发热区和第二发热区择一使用发热。
第一发热电阻层2的下端部连接第一电极引脚5以外接电源。第二发热电阻层3上端部连接第三电极引脚7以外接电源。第三发热电阻层4上端部连接第四电极引脚8以外接电源。
工作时，第一电极引脚5使用，第三电极引脚7和第四电极引脚8择一使用，以使得所述第一发热区和第二发热区在不同时间发热，此时所述第一发热电阻层2为公共发热电阻层。
上述发热轨迹包含若干段直线段和若干段折线段。所述直线段平行于所述发热基体管1的轴线，所述折线段在具有多段与所述直线段呈90度的折线。
具体的，所述发热轨迹可以为单根加热电阻丝。
所述发热基体管1材质为陶瓷。
图1为实施例1轴向半分区发热管的立体图。
图2为实施例1轴向半分区发热管上发热电阻层（所述第一发热电阻层2、第二发热电阻层3和第三发热电阻层4）展开示意图。上述发热电阻层基本覆盖发热管的整个外表面。另外，第一电极引脚5、第二公共电极引脚6第三电极引脚7、第四电极引脚8的位置示意出。

Claims (10)

  1. 一种轴向半分区发热管，其特征在于，所述发热管包含：
    发热基体管（1）；
    独立设置在所述发热基体管（1）上或内部的第一发热电阻层（2）、第二发热电阻层（3）和第三发热电阻层（4）；
    其中，所述第一发热电阻层（2）设置在所述发热基体管（1）的下段，所述第二发热电阻层（3）和第三发热电阻层（4）并排设置在所述发热基体管（1）的上段。
  2. 根据权利要求1所述的轴向半分区发热管，其特征在于，所述第一发热电阻层（2）呈圆周型环绕所述发热基体管（1）的下段，所述第二发热电阻层（3）和第三发热电阻层（4）对称设置且分别呈半圆周型环绕在所述发热基体管（1）的上段。
  3. 根据权利要求1所述的轴向半分区发热管，其特征在于，所述第一发热电阻层（2）和第二发热电阻层（3）串联设置形成第一发热区，所述第一发热电阻层（2）和第三发热电阻层（4）串联设置形成第二发热区，工作时所述第一发热区和第二发热区在不同时间发热。
  4. 根据权利要求3所述的轴向半分区发热管，其特征在于，所述第一发热电阻层（2）、第二发热电阻层（3）和第三发热电阻层（4）分别独立地设置在所述发热基体管（1）的内表面、外表面或者内部。
  5. 根据权利要求1所述的轴向半分区发热管，其特征在于，所述第一发热电阻层（2）、所述第二发热电阻层（3）和第三发热电阻层（4）为发热轨迹。
  6. 根据权利要求5所述的轴向半分区发热管，其特征在于，所述发热轨迹包含至少一段直线段和至少一段折线段。
  7. 根据权利要求1所述的轴向半分区发热管，其特征在于，所述发热基体管（1）的上段的内径大于所述发热基体管（1）的下段的内径；
    或者在所述发热基体管（1）的上段和所述发热基体管（1）的下段之间设置有限位件。
  8. 根据权利要求1所述的轴向半分区发热管，其特征在于，所述发热管还包含连接第一发热电阻层（2）端部的第一电极引脚（5）、同时连接三个发热电阻层的第二公共电极引脚（6）、连接所述第二发热电阻层（3）端部的第三电极引脚（7）和连接第三发热电阻层（4）端部的第四电极引脚（8）。
  9. 一种电子雾化装置，其特征在于，所述电子雾化装置包含权利要求1-7任一项所述的轴向半分区发热管，所述发热基体管（1）的上段靠近所述电子雾化装置的烟嘴配置。
  10. 一种加热方法，其特征在于，使用权利要求1-7任一项所述的轴向半分区发热管，所述加热方法包含第一加热阶段和第二加热阶段，在第一加热阶段，给第一发热电阻层（2）和所述第二发热电阻层（3）供电使其发热，在第二加热阶段，给第一发热电阻层（2）和所述第三发热电阻层（4）供电使其发热。
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