WO2014121509A1 - 一种发热元件、电子烟以及形成发热元件的方法 - Google Patents

一种发热元件、电子烟以及形成发热元件的方法 Download PDF

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Publication number
WO2014121509A1
WO2014121509A1 PCT/CN2013/071557 CN2013071557W WO2014121509A1 WO 2014121509 A1 WO2014121509 A1 WO 2014121509A1 CN 2013071557 W CN2013071557 W CN 2013071557W WO 2014121509 A1 WO2014121509 A1 WO 2014121509A1
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WIPO (PCT)
Prior art keywords
connecting end
heat generating
generating portion
alloy
plating layer
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PCT/CN2013/071557
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English (en)
French (fr)
Inventor
刘秋明
Original Assignee
Liu Qiuming
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Publication date
Application filed by Liu Qiuming filed Critical Liu Qiuming
Priority to JP2015556361A priority Critical patent/JP6161727B2/ja
Priority to KR1020157024442A priority patent/KR20150119021A/ko
Priority to EP13874701.9A priority patent/EP2955974A4/en
Priority to CA2900284A priority patent/CA2900284A1/en
Priority to PCT/CN2013/071557 priority patent/WO2014121509A1/zh
Priority to AU2013377663A priority patent/AU2013377663A1/en
Publication of WO2014121509A1 publication Critical patent/WO2014121509A1/zh

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    • 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
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • 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
    • A24F40/70—Manufacture
    • 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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to the field of smoking articles, and more particularly to a heat generating component, an electronic cigarette using the heat generating component, and a method of forming the heat generating component.
  • the heating element of the electronic cigarette includes a heat generating portion and a connecting portion, and a high-resistivity alloy heating element (such as a nickel-chromium alloy wire, an iron-chromium-aluminum alloy, a constantan alloy, etc.) is generally used in the heat-generating portion, and the heat-generating portion generates heat to cause a smoke mist. It produces a smoke effect.
  • the connection portion of the heating element is for electrically connecting to the driving circuit.
  • the connecting portion is usually a copper wire, and the connecting portion and the heat generating portion are usually connected by a welding or riveting process.
  • FIG. 1 and Figure 2 the heat part 1 in Figure 1
  • the connecting portion 2 is connected by a riveting process
  • the heat generating portion 1 and the connecting portion 2 in Fig. 2 are connected by a welding process.
  • the application number is 201020280861.7
  • the heating wire (ie, the heat generating portion) and the wire (ie, the connecting portion) are riveted.
  • soldering or riveting process makes the manufacturing process of the heat generating component complicated, and the resistance of the heat generating component mass-produced by the above-described soldering or riveting process is unstable; and the soldering element produced by the soldering process is easily oxidized, and The contact resistance at the weld is large.
  • the technical problem to be solved by the present invention is to address the defects of the complicated manufacturing process and unstable resistance of the heating element in the existing electronic cigarette, and to propose a heating element, an electronic cigarette and a method for forming the heating element.
  • the present invention provides a heat generating component including a heat generating portion and a connecting portion, the connecting portion extending along both ends of the heat generating portion to form a first connecting end and a second connecting end, the first connection The end and the second connecting end are respectively electrically connected to the driving circuit, wherein the first connecting end and the second connecting end are integrally formed with the heat generating portion, the first connecting end and the first connecting end
  • the two connection ends have low-resistivity plating layers respectively covering the outer surfaces of the first connection end and the second connection end.
  • the heat generating portion, the first connecting end and the second connecting end are alloy materials having a circular cross section, and the first connecting end and the second connecting end respectively
  • the two ends of the heat generating portion extend axially, and the first connecting end and the second connecting end have the same axial extension distance or one length and one short distance and are oppositely disposed at opposite ends of the spiral heat generating portion.
  • the plating layer extends radially outwardly around the first connecting end and the second connecting end to form a uniform coating of the plating layer, and the heat generating portion is respectively connected to the first connecting end and the second connecting end
  • the cross-section dimensions are the same.
  • the heat generating portion, the first connecting end and the second connecting end are strip-shaped alloy materials having a polygonal cross section, and the first connecting end and the second connecting end respectively
  • the two ends of the heat generating portion extend laterally, and the extending distances of the first connecting end and the second connecting end are equal or one length and one short are not equidistant and are oppositely disposed at two ends of the heat generating portion which is spiral.
  • the plating layer extends outwardly around the first connecting end and the second connecting end outer surface to form the uniformly coated plating layer, and the heat generating portion has the same cross-sectional dimension as the first connecting end and the second connecting end respectively .
  • the heat generating portion includes one of a nickel-chromium alloy, a nickel-chromium-iron alloy, an iron-chromium-aluminum alloy, or a constantan alloy.
  • the plating layer includes one of gold, silver, copper or tin.
  • the plating layer is formed of a low resistivity alloy.
  • the present invention also provides an electronic cigarette in which the heat generating element is disposed in an atomization chamber.
  • the present invention also provides a method of forming a heat generating component, characterized in that the method comprises the following steps,
  • the heat generating portion and the connecting portion are integrally formed, and the connecting portion includes a first connecting end and a second connecting end, and the first connecting end and the second connecting end extend along both ends of the heat generating portion;
  • the first connection end and the second connection end are respectively soldered to the driving circuit.
  • the step A specifically includes:
  • A3 dividing the alloy material after cutting into regions, and the alloy material
  • the material is divided into a heat generating portion, a first connecting end and a second connecting end, and the first connecting end and the second connecting end are located at both ends of the heat generating portion.
  • the step B specifically includes:
  • the first connecting end and the second connecting end are plated by using a low resistivity material, so that the first connecting end and the second connecting end outer surface form a uniformly coated plating layer;
  • the invention has the beneficial effects that the heating element of the invention has an integrated design, and has no complicated process such as welding or riveting, and forms a plating layer on the heating element by using an electroplating process, so that the production efficiency of the heating element is greatly improved, and the cost is saved. Moreover, the resistance value of the heat-generating component produced in batches is stable, and the consistency of mass production is good. Further, since the electroplated layer of the present invention is made of a metal or an alloy having a low electrical resistivity, the resistance value of the joint portion of the heat generating element is extremely low.
  • FIG. 1 is a schematic view showing a riveting of a heat generating portion and a connecting portion of a heating element in the prior art
  • FIG. 2 is a schematic view showing welding of a heat generating portion and a connecting portion of a heating element in the prior art
  • FIG. 3 is a schematic structural view of a preferred embodiment of a heating element of the present invention.
  • Figure 4 is a schematic view showing the structure of the heating element shown in Figure 3 before being wound;
  • FIG. 5 is a schematic view showing the structure of the heating element shown in Figure 4 before electroplating
  • Figure 6 is a schematic structural view of another embodiment of the heat generating component of the present invention.
  • Figure 7 is a schematic view showing the structure of an electronic cigarette of the present invention.
  • the heat generating component 100 includes a heat generating portion 110 and a connecting portion 120.
  • the connecting portion 120 extends along the two ends of the heat generating portion 110 to form a first connecting end 121 and a second connecting end 122.
  • the connecting portion 120 is used for electrically connecting with a driving circuit (not shown) to the heat generating portion. 110
  • the electric energy is transmitted, and the heat generating portion 110 is used for generating heat after being energized to atomize the liquid.
  • the first connection end 121 and the second connection end 122 have a first connection end 121 and a second connection end 122, respectively.
  • the outer surface of the plating layer 123, the plating layer 123 is formed by plating of a low resistivity metal or alloy.
  • the heat generating portion 110, the first connecting end 121, and the second connecting end 122 It is made in one piece and made of the same material. It is made of high resistivity alloy material, such as nickel-chromium alloy, nickel-chromium-iron alloy, iron-chromium alloy or constantan. For example, it is possible to use Constantan 6J40 and Cr20Ni80. Wait.
  • the heat generating portion 110, the first connecting end 121 and the second connecting end 122 are both in the form of filaments, preferably, the heat generating portion 110.
  • the first connecting end 121 and the second connecting end are all made of the same wire.
  • the heat generating portion 110 is wound in a spiral shape, and the first connecting end 121 and the second connecting end 122 are heated by the heat generating portion 110. The two ends are extended to form.
  • the heat generating portion 110, the first connecting end 121 and the second connecting end 122 respectively extend axially along both ends of the heat generating portion 110, and the first connecting end 121 and the second connecting end 122
  • the axial extension distances are equal or one long and one short isometric (the unequal distance may be that the first connection end 121 is longer than the second connection end 122, or the second connection end 122 is longer than the first connection end 121
  • the plating layer 123 extends radially outwardly around the first connecting end 121 and the second connecting end 122 to form a uniformly coated plating layer 123.
  • the first connecting end 121 and the second connecting end 122 have the same cross-sectional dimensions.
  • the plating layer 123 is formed by plating a low resistivity material, which may be a low resistivity metal such as gold, silver, copper or tin, or a low resistivity alloy such as a copper nickel alloy or a tantalum aluminum alloy.
  • the material specified in the invention having a resistivity of less than 2.5 ⁇ 10 -8 ⁇ m is a low resistivity material. Since the connecting portion 120 has the plating layer 123 of low resistance, the resistance value of the portion of the connecting portion 120 is very low. Referring to FIGS. 3 and 4, the plating layer 123 may be plated before the heat generating component 100 is unwound. In the present embodiment, the plating layer 123 completely covers the entire first connecting end 121 and the second connecting end 122.
  • the plating layer 123 is uniformly coated on the first connection end 121 and the second connection end 122 with the same thickness. . Since the welding position of the plating layer 123 and the driving circuit (not shown) is not fixed, the advantage of this is that the contact resistance between the connecting portion 120 and the driving circuit is stabilized even if the plating layer 123 The different positions are soldered to the drive circuit, and the contact resistance of the connection portion 120 to the drive circuit is still the same.
  • the present invention does not limit the shape of the heat generating component 100, and the heat generating component 100 It may be a filament, a sheet, a strip or a cross section of a circle, an ellipse, a polygon (including a triangle, a rectangle, etc.) or other geometric shapes.
  • the heat generating portion 110 of the heat generating component 100 The first connecting end 121 and the second connecting end 122 are all in a sheet structure, and the plating layer 123 covers the first connecting end 121 and the second connecting end.
  • the heat generating portion 110, the first connecting end 121 and the second connecting end 122 may have a polygonal shape (such as a rectangle, a triangle, a hexagon, etc.), and the first connecting end 121 and the second connecting end 122 respectively extend laterally along the ends of the heat generating portion 110, and the first connecting end 121 and the second connecting end 122 have the same extending distance or one long and one short unequal distance (the unequal distance may be that the first connecting end 121 is longer than the second connecting end 122, or the second connecting end 122 is longer than the first connecting end) 121) and oppositely disposed at both ends of the spiral heat generating portion 110, the plating layer 123 extends outwardly around the outer surfaces of the first connecting end 121 and the second connecting end 122 to form a uniformly coated plating layer 123
  • the heat generating portion 110 has the same cross-sectional dimensions as the first connecting end 121 and the second connecting end 122,
  • the present invention also proposes an electronic cigarette using the heat generating component 100 of the above embodiment.
  • the electronic cigarette includes a cigarette holder 200, a tobacco rod 300 and a lamp cap 310 disposed at one end of the tobacco rod 300.
  • a battery 320 is disposed in the tobacco rod 300.
  • Other structures of the electronic cigarette will not be described herein.
  • a spray chamber 210 is disposed in the mouthpiece 200, and one end of the mouthpiece 200 is provided with a nozzle cover 220, and the heating element 100
  • the heat generating portion 110 of the heat generating component 100 is disposed in a side of the spray chamber 210 facing the nozzle cover 220
  • the connecting portion 120 is disposed in the spray chamber 210.
  • the inside faces the side of the battery 310.
  • Both ends of the connecting portion 120 are respectively soldered and electrically connected to the driving circuit.
  • the driving circuit is electrically connected to the battery 310. Due to the plating on the connecting portion 120 123 It is relatively easy for the connecting portion 120 to be welded to other portions of the electronic cigarette.
  • the invention also provides a method for processing a heating element in an electronic cigarette, the method comprising the following steps,
  • the heat generating portion 110 and the connecting portion 120 are integrally formed, and the connecting portion 120 includes a first connecting end 121 and a second connecting end 122 The first connecting end 121 and the second connecting end 122 extend along both ends of the heat generating portion 110;
  • the outer surfaces of the first connecting end 121 and the second connecting end 122 are respectively coated with a low resistivity plating layer 123;
  • connection end 121 and the second connection end 122 of the heat generating component 100 are respectively connected to the driving circuit of the electronic cigarette, and the connection includes welding, riveting or connecting through the connecting member through the connecting terminal.
  • connection includes welding, riveting or connecting through the connecting member through the connecting terminal.
  • the processing method of the preferred embodiment of the heating element of the present invention is taken as an example to further describe a method for processing a heating element in an electronic cigarette, and the processing method includes the following steps.
  • a high-resistivity alloy material is selected, which may be a nickel-chromium alloy, a nickel-chromium-iron alloy, an iron-chromium alloy or a constantan alloy.
  • the above alloy materials may be selected from filaments or sheets, and the alloy materials are mostly standard wire materials on the market.
  • the alloy material may be made of Kangon. 6J40, Cr20Ni80, etc.
  • the divided alloy material is divided into regions, and the region is divided into a heat generating portion 110, a first connecting end 121, and a second connecting end. 122.
  • the first connecting end 121 and the second connecting end 122 of the alloy material are plated to form a plating layer 123 on the surface.
  • the heat generating elements 100 as shown in Fig. 3 are formed at equal distances and oppositely disposed at both ends of the spiral heat generating portion 110.
  • the heating element 100 is soldered or connected to the driving circuit of the electronic cigarette.
  • the processing method using the heating element of the invention has the following advantages: the resistance value of the heating element is stable and the consistency of mass production is good, and the coating layer 123
  • the first connecting end 121, the second connecting end 122 and the heat generating portion 110 are integrally designed without complicated processes such as welding or riveting.
  • Plating 123 It is formed by plating of a low-resistivity pure metal or metal alloy, so that the resistance value of the connecting portion 120 is very low. Further, since the connecting portion 120 has a plating layer 123, the connecting portion 120 is formed. It is relatively easy to solder with other parts of the electronic cigarette, such as the drive circuit. Since electroplating is a very mature production process, the processing technology of the heating element of the present invention can improve the production efficiency of the electronic cigarette production line and save the production cost of the electronic cigarette.

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Abstract

一种发热元件（100）、电子烟及形成发热元件（100）的方法，该发热元件（100）包括发热部（110）和连接部（120），所述连接部（120）沿所述发热部（110）两端延伸形成第一连接端（121）和第二连接端（122），所述第一连接端（121）和第二连接端（122）分别与驱动电路电性连接，所述第一连接端（121）和所述第二连接端（122）与所述发热部（110）为一体成型，所述第一连接端（121）和所述第二连接端（122）具有分别围绕所述第一连接端（121）和所述第二连接端（122）外表面的镀层。所述发热元件（100）一体化设计，采用电镀工艺在发热元件（100）上形成镀层，提高了发热元件（100）的生产效率，节约了成本，且批量生产的发热元件（100）电阻值稳定，一致性好。

Description

一种发热元件、电子烟以及形成发热元件的方法 技术领域
本发明涉及烟具技术领域，尤其涉及发热元件，使用该发热元件的电子烟 以及形成发热元件的方法 。
背景技术
电子香烟的发热元件包括发热部和连接部，发热部普遍使用高电阻率的合金发热元件（如镍铬合金丝、铁铬铝合金、康铜合金等），发热部通电后发热使烟液雾化产生烟雾效果。 发热元件的连接部用于与驱动电路电性连接。连接部通常为铜导线，连接部与发热部通常采用焊接或铆接的工艺相连。例如图 1 和图 2 所示，图 1 中发热部 1 和连接部 2 采用铆接工艺相连，图 2 中发热部 1 和连接部 2 采用焊接工艺相连。又例如申请号为 201020280861.7 、名为'一种电子烟发热装置'的中国专利中，其发热丝（即发热部）与导线（即连接部）之间为铆接。
然而，上述的焊接或铆接工艺使得发热元件的制作工艺复杂，并且采用上述焊接或铆接工艺批量生产的发热元件的阻值不稳定；而且，采用焊接工艺制作的发热元件其焊接点容易氧化，且其焊接处的接触电阻较大。
发明内容
本发明要解决的技术问题是针对现有电子烟中发热元件制作工艺复杂、阻值不稳定的缺陷，提出一种发热元件、电子烟以及形成发热元件的方法。
为了解决上述技术问题，本发明提出了一种发热元件，包括发热部和连接部，所述连接部沿所述发热部两端延伸形成第一连接端和第二连接端，所述第一连接端和第二连接端分别与驱动电路电性连接，其特征在于，所述第一连接端和所述第二连接端与所述发热部为一体成型，所述第一连接端和所述第二连接端具有分别包覆在所述第一连接端和所述第二连接端外表面的低电阻率的镀层。
在上述的发热元件中，所述发热部、所述第一连接端和所述第二连接端为截面是圆形的合金材料，所述第一连接端和所述第二连接端分别沿所述发热部两端轴向延伸，所述第一连接端和所述第二连接端的轴向延伸距离相等或一长一短不等距并相对设置在呈螺旋状的所述发热部两端，所述镀层围绕所述第一连接端和所述第二连接端的径向向外延伸形成均匀包覆的所述镀层，所述发热部分别与所述第一连接端和所述第二连接端的截面尺寸相同，。
在上述的发热元件中，所述发热部、所述第一连接端和所述第二连接端为截面是多边形的条状合金材料，所述第一连接端和所述第二连接端分别沿所述发热部两端横向延伸、所述第一连接端和所述第二连接端的延伸距离相等或一长一短不等距并相对设置在呈螺旋状的所述发热部两端，所述镀层围绕所述第一连接端和所述第二连接端外表面向外延伸形成均匀包覆的所述镀层，所述发热部分别与所述第一连接端和所述第二连接端的截面尺寸相同。
在上述的发热元件中，所述发热部包括镍铬合金、镍铬铁合金、铁铬铝合金或康铜合金其中之一种。
在上述的发热元件中，所述镀层包括金、银、铜或锡其中之一种。
在上述的发热元件中，所述镀层由低电阻率的合金形成。
本发明还提出了一种电子烟，所述电子烟的雾化室内设置有所述的发热元件。
本发明还提出了一种形成发热元件的方法，其特征在于，所述方法包括以下步骤，
A 、将发热部和连接部一体成型，所述连接部包括第一连接端和第二连接端，所述第一连接端和第二连接端沿所述发热部两端延伸；
B 、在所述第一连接端和所述第二连接端的外表面分别包覆一低电阻率的镀层；
C 、将所述第一连接端和所述第二连接端分别与驱动电路相焊接。
在上述的形成发热元件的方法中，所述步骤 A 具体包括：
A1 、选用高电阻率的合金材料；
A2 、对所述合金材料进行切割；
A3 、对切割后的所述合金材料进行区域划分，将所述合金材 料分为发热部、第一连接端和第二连接端，所述第一连接端和第二连接端位于所述发热部的两端。
在上述的形成发热元件的方法中，所述步骤 B 具体包括：
B1 、使用低电阻率材料对所述第一连接端和所述第二连接端进行电镀，使所述第一连接端和所述第二连接端外表面形成一均匀包覆的镀层；
B2 、对电镀后的所述合金材料进行卷绕，使所述发热部呈螺旋状，所述第一连接端和所述第二连接端在所述螺旋状发热部的两端距离相等或一长一短不等距并相对设置。
实施本发明，其有益效果在于，本发明的发热元件为一体化设计，没有焊接或铆接等复杂工艺，采用电镀工艺在发热元件上形成镀层，使得该发热元件的生产效率大大提高，节省了成本，且批量生产出的发热元件电阻值稳定，批量生产的一致性好。又由于本发明电镀层采用低电阻率的金属或合金，使得发热元件的连接部电阻值非常低。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图 1 为现有技术中发热元件的发热部与连接部铆接示意图；
图 2 为现有技术中发热元件的发热部与连接部焊接示意图；
图 3 为本发明发热元件优选实施例的结构示意图；
图 4 为图 3 所示的发热元件未卷绕前的结构示意图；
图 5 为图 4 所示的发热元件未电镀前的结构示意图；
图 6 本发明发热元件另一实施例的结构示意图；
图7 本发明电子烟的结构示意图。
具体实施方式
下面将结合附图及实施例对本发明作进一步说明，附图中：
本发明提出了一种发热元件 100 ，参照图 3 ，该发热元件 100 包括发热部 110 和连接部 120 ，连接部 120 沿发热部 110 两端延伸形成第一连接端 121 和第二连接端 122 ，连接部 120 用于与驱动电路（图中未示）电性连接以向发热部 110 输送电能，发热部 110 用于在通电后发热使得烟液雾化。第一连接端 121 和第二连接端 122 具有分别围绕第一连接端 121 和第二连接端 122 外表面的镀层 123 ，镀层 123 有低电阻率的金属或合金电镀形成。
在本发明中，发热部 110 、第一连接端 121 和第二连接端 122 一体成型，并采用相同的材料制成，该材料为高电阻率的合金材料制成，例如镍铬合金、镍铬铁合金、铁铬合金或康铜合金等。例如可选用康铜 6J40 、 Cr20Ni80 等。
在本实施例中，发热部 110 、第一连接端 121 和第二连接端 122 均为细丝状，优选地，发热部 110 、第一连接端 121 和第二连接端均采用同一线材制成。发热部 110 卷绕成螺旋状，第一连接端 121 和第二连接端 122 由发热部 110 的两端延伸形成。
具体而言，在本发明发热元件的优选实施例中，发热部 110 、第一连接端 121 和第二连接端 122 为截面是圆形的合金材料，第一连接端 121 和第二连接端 122 分别沿发热部 110 两端轴向延伸，第一连接端 121 和第二连接端 122 的轴向延伸距离相等或一长一短不等距（该不等距可以是第一连接端 121 长于第二连接端 122 ，或第二连接端 122 长于第一连接端 121 ）并相对设置在呈螺旋状的发热部 110 两端，镀层 123 围绕第一连接端 121 和第二连接端 122 的径向向外延伸形成均匀包覆的镀层 123 。发热部 110 、第一连接端 121 和第二连接端 122 的横截尺寸相同。
镀层 123 由低电阻率的材料电镀形成，该低电阻率的材料可以为金、银、铜、锡等低电阻率的金属、或铜镍合金、镧铝合金等低电阻率的合金，在本发明中规定电阻率低于 2.5 × 10 -8 Ω m 的材料为低电阻率的材料。由于连接部 120 具有低电阻的镀层 123 ，故连接部 120 部分的电阻值非常低。参照图 3 和图 4 ，镀层 123 可在发热元件 100 未卷绕前电镀形成，在本实施例中，镀层 123 完全包覆于整个第一连接端 121 和第二连接端 122 。
在本发明的优选实施例中，镀层 123 以相同的厚度均匀包覆于第一连接端 121 和第二连接端 122 。由于镀层 123 与驱动电路（图中未示）的焊接位置并不固定，这样做的好处是使得连接部 120 与驱动电路的接触电阻稳定，即使镀层 123 的不同位置与驱动电路相焊接，连接部 120 与驱动电路的接触电阻仍是相同的。
本发明并不限制发热元件 100 的形状，发热元件 100 可以为细丝状、片状、条状或截面为圆形，椭圆形，多边形（包括三角形，矩形等）或其他几何形状，参照图 6 ，在图 6 中，发热元件 100 的发热部 110 、第一连接端 121 以及第二连接端 122 均为片状结构，镀层 123 包覆于第一连接端 121 和第二连接端。
进一步而言，在本发明发热元件的其他实施例中，发热部 110 、第一连接端 121 和第二连接端 122 可以为截面是多边形（比如矩形，三角形，六边形等）的条状合金材料，第一连接端 121 和第二连接端 122 分别沿发热部 110 两端横向延伸，第一连接端 121 和第二连接端 122 的延伸距离相等或一长一短不等距（该不等距可以是第一连接端 121 长于第二连接端 122 ，或第二连接端 122 长于第一连接端 121 ）并相对设置在呈螺旋状的发热部 110 两端，镀层 123 围绕第一连接端 121 和第二连接端 122 外表面向外延伸形成均匀包覆的镀层 123 ，发热部 110 分别与第一连接端 121 和第二连接端 122 的横截面尺寸相同。
本发明还提出了一种电子烟，该电子烟采用了上述实施例中的发热元件 100 。具体而言，该电子烟包括烟嘴 200 、烟杆 300 和设置于烟杆 300 一端的灯帽 310 。烟杆 300 内设置有电池 320 。该电子烟的其他结构在此不再赘述。
烟嘴 200 内设置雾化室 210 ，烟嘴 200 的一端设置有吸嘴盖 220 ，发热元件 100 设置于雾化室 210 内，发热元件 100 的发热部 110 设置于雾化室 210 内朝向吸嘴盖 220 的一侧，连接部 120 则设置于雾化室 210 内朝向电池 310 的一侧。连接部 120 的两端分别与驱动电路相焊接并电性连接。驱动电路与电池 310 电性连接。由于连接部 120 上有镀层 123 ，连接部 120 与电子烟的其他部分焊接相对容易。
本发明还提出了一种电子香烟中发热元件的处理方法，所述方法包括以下步骤，
将发热部 110 和连接部 120 一体成型，连接部 120 包括第一连接端 121 和第二连接端 122 ，第一连接端 121 和第二连接端 122 沿发热部 110 两端延伸；
在第一连接端 121 和第二连接端 122 的外表面分别包覆一低电阻率的镀层 123 ；
将发热元件 100 的第一连接端 121 和第二连接端 122 分别与电子烟的驱动电路相连接，该连接包括焊接，铆接或通过连接端子通过压紧件连接，具体连接方式是本领域熟知技术，所以不做详细描述。
具体而言，下面以本发明发热元件的优选实施例的处理工艺为例进一步说明电子香烟中发热元件的处理方法，该处理方法包括以下步骤，
S1 ，选用高电阻率的合金材料，该合金材料可以镍铬合金、镍铬铁合金、铁铬合金或康铜合金等。上述的合金材料可选用细丝状或片状等，合金材料大多为市场上标准的线材，例如该合金材料是可选用康铜 6J40 、 Cr20Ni80 等。
S2 ，对上述的合金材料进行切割，使得切割后的合金材料的长度为发热元件 100 未卷绕前的长度，如图 5 所示。
S3 ，对切割后的合金材料进行区域划分，区域划分分为发热部 110 、第一连接端 121 和第二连接端 122 ，对合金材料的第一连接端 121 和第二连接端 122 进行电镀使其表面形成一镀层 123 。
S4 ，对电镀后的合金材料进行卷绕，使发热部 110 呈螺旋状，第一连接端 121 和第二连接端 122 在螺旋状发热部 110 的两端距离相等并相对设置，形成如图 3 所示的发热元件 100 ，。
S5 ，将该发热元件 100 与电子烟的驱动电路相焊接连接或其它方式的连接。
采用本发明发热元件的处理工艺有以下优点，发热元件的电阻阻值稳定且批量生产的一致性好，镀层 123 、第一连接端 121 、第二连接端 122 及发热部 110 为一体化设计，没有焊接或铆接等复杂工艺。镀层 123 由低电阻率的纯金属或金属合金电镀形成，故连接部 120 的电阻值非常低。又由于连接部 120 部分有镀层 123 ，使得连接部 120 与电子烟的其他部分（如驱动电路）焊接相对容易。由于电镀是一种非常成熟的生产工艺，故本发明发热元件的处理工艺可以提高电子烟生产线的生产效率，节省电子烟的生产成本。
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

  1. 一种发热元件，包括发热部和连接部，所述连接部沿所述发热部两端延伸形成第一连接端和第二连接端，所述第一连接端和第二连接端分别与驱动电路电性连接，其特征在于，所述第一连接端和所述第二连接端与所述发热部为一体成型，所述第一连接端和所述第二连接端具有分别包覆在所述第一连接端和所述第二连接端外表面的低电阻率的镀层。
  2. 根据权利要求 1 所述的发热元件，其特征在于，所述发热部、所述第一连接端和所述第二连接端为截面是圆形的合金材料，所述第一连接端和所述第二连接端分别沿所述发热部两端轴向延伸，所述第一连接端和所述第二连接端的轴向延伸距离相等或不等距、并相对设置在呈螺旋状的所述发热部两端，所述镀层围绕所述第一连接端和所述第二连接端的径向向外延伸形成均匀包覆的所述镀层，所述发热部分别与所述第一连接端和所述第二连接端的截面尺寸相同。
  3. 根据权利要求 1 所述的发热元件，其特征在于，所述发热部、所述第一连接端和所述第二连接端为截面是多边形的条状合金材料，所述第一连接端和所述第二连接端分别沿所述发热部两端横向延伸、所述第一连接端和所述第二连接端的延伸距离相等或不等距、并相对设置在呈螺旋状的所述发热部两端，所述镀层围绕所述第一连接端和所述第二连接端外表面向外延伸形成均匀包覆的所述镀层，所述发热部分别与所述第一连接端和所述第二连接端的截面尺寸相同。
  4. 根据权利要求 1 所述的发热元件，其特征在于，所述发热部包括镍铬合金、镍铬铁合金、铁铬铝合金或康铜合金其中之一种。
  5. 根据权利要求 4 所述的发热元件，其特征在于，所述镀层包括金、银、铜或锡其中之一种。
  6. 根据权利要求 4 所述的发热元件，其特征在于，所述镀层由低电阻率的合金形成。
  7. 一种电子烟，其特征在于，所述电子烟的雾化室内设置有如权利要求 1-6 任一项所述的发热元件。
  8. 一种形成发热元件的方法，其特征在于，所述方法包括以下步骤，
    A 、将发热部和连接部一体成型，所述连接部包括第一连接端和第二连接端，所述第一连接端和第二连接端沿所述发热部两端延伸；
    B 、在所述第一连接端和所述第二连接端的外表面分别包覆一低电阻率的镀层；
    C 、将所述第一连接端和所述第二连接端分别与驱动电路相连接。
  9. 根据权利要求 8 所述的形成发热元件的方法，其特征在于，所述步骤 A 具体包括：
    A1 、选用高电阻率的合金材料；
    A2 、对所述合金材料进行切割；
    A3 、对切割后的所述合金材料进行区域划分，将所述合金材料分为发热部、第一连接端和第二连接端，所述第一连接端和第二连接端位于所述发热部的两端。
  10. 根据权利要求 8 所述的形成发热元件的方法，其特征在于，所述步骤 B 具体包括：
    B1 、使用低电阻率材料对所述第一连接端和所述第二连接端进行电镀，使所述第一连接端和所述第二连接端外表面形成一均匀包覆的镀层；
    B2
    、对电镀后的所述合金材料进行卷绕，使所述发热部呈螺旋状，所述第一连接端和所述第二连接端在所述螺旋状发热部的两端距离相等或不等距并相对设置。
PCT/CN2013/071557 2013-02-08 2013-02-08 一种发热元件、电子烟以及形成发热元件的方法 WO2014121509A1 (zh)

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CA2900284A1 (en) 2014-08-14
KR20150119021A (ko) 2015-10-23
EP2955974A1 (en) 2015-12-16
JP2016507137A (ja) 2016-03-07
JP6161727B2 (ja) 2017-07-12
AU2013377663A1 (en) 2015-08-27
EP2955974A4 (en) 2016-11-23

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