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CN112335334B - Heater and heating appliance equipped with the heater - Google Patents

Heater and heating appliance equipped with the heater Download PDF

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Publication number
CN112335334B
CN112335334B CN201980040399.7A CN201980040399A CN112335334B CN 112335334 B CN112335334 B CN 112335334B CN 201980040399 A CN201980040399 A CN 201980040399A CN 112335334 B CN112335334 B CN 112335334B
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heater
heating resistor
end surface
glass material
heated
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CN112335334A (en
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津川昭
长野良纪
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Kyocera Corp
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Kyocera Corp
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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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for
    • 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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material

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Abstract

本公开涉及能够提高耐久性的加热器以及加热用具。本公开的加热器(10)具有棒状的第1构件(1)、位于该第1构件(1)的内部的发热电阻体(2)、以及与所述第1构件(1)的端面接合且导热率比所述第1构件(1)低的第2构件(3)。

Figure 201980040399

The present disclosure relates to a heater and a heating appliance capable of improving durability. The heater (10) of the present disclosure has a rod-shaped first member (1), a heat-generating resistor (2) located inside the first member (1), and an end surface bonded to the first member (1) and A second member (3) having a lower thermal conductivity than the first member (1).

Figure 201980040399

Description

加热器以及具备该加热器的加热用具Heater and heating appliance equipped with the same

技术领域technical field

本公开涉及例如使前端部与被加热物接触或刺入被加热物而进行加热的加热器、或在内部插入被加热物而进行加热的筒状的加热器。The present disclosure relates to, for example, a heater that heats a to-be-heated object by bringing a tip portion into contact with or piercing the to-be-heated object, or a cylindrical heater that heats by inserting a to-be-heated object inside.

背景技术Background technique

以往已知有加热器，其具有：绝缘性的基体，具有长边方向；发热电阻体，埋设在基体；以及端子，与发热电阻体电连接。Conventionally, there is known a heater including: an insulating substrate having a longitudinal direction; a heating resistor embedded in the substrate; and a terminal electrically connected to the heating resistor.

在先技术文献prior art literature

专利文献patent documents

专利文献1：日本特开平11-135234号公报Patent Document 1: Japanese Patent Application Laid-Open No. 11-135234

发明内容Contents of the invention

本公开的加热器具有棒状的第1构件、位于该第1构件的内部或表面的发热电阻体、以及与所述第1构件的端面接合且导热率比所述第1构件低的第2构件。The heater of the present disclosure has a rod-shaped first member, a heating resistor located inside or on the surface of the first member, and a second member joined to the end surface of the first member and having a lower thermal conductivity than the first member. .

此外，本公开的加热用具具备上述的加热器和保持该加热器的凸缘。Moreover, the heating tool of this indication is equipped with the said heater and the flange which hold|maintain this heater.

附图说明Description of drawings

本发明的目的、特点以及优点，通过下述的详细说明和附图而变得更加明确。The purpose, features, and advantages of the present invention will become more apparent from the following detailed description and accompanying drawings.

图1是示出本公开的加热器的一个例子的剖视图。FIG. 1 is a cross-sectional view showing an example of a heater of the present disclosure.

图2是示出加热器的其他例子的剖视图。Fig. 2 is a cross-sectional view showing another example of a heater.

图3是示出加热器的其他例子的剖视图。Fig. 3 is a cross-sectional view showing another example of a heater.

图4是示出加热器的其他例子的剖视图。Fig. 4 is a cross-sectional view showing another example of a heater.

图5是示出加热器的其他例子的剖视图。Fig. 5 is a cross-sectional view showing another example of the heater.

图6是示出加热器的其他例子的剖视图。Fig. 6 is a cross-sectional view showing another example of the heater.

图7是示出加热器的其他例子的剖视图。Fig. 7 is a cross-sectional view showing another example of the heater.

图8是示出加热器的其他例子的剖视图。Fig. 8 is a cross-sectional view showing another example of a heater.

图9是示出加热器的其他例子的剖视图。Fig. 9 is a cross-sectional view showing another example of a heater.

图10是示出加热器的其他例子的剖视图。Fig. 10 is a cross-sectional view showing another example of the heater.

图11是示出加热器的其他例子的剖视图。Fig. 11 is a cross-sectional view showing another example of a heater.

图12是示出本公开的香烟用加热用具的一个例子的剖视图。Fig. 12 is a cross-sectional view showing an example of the cigarette heating tool of the present disclosure.

图13是示出加热器的其他例子的立体图。Fig. 13 is a perspective view showing another example of a heater.

图14是示出加热器的其他例子的立体图。Fig. 14 is a perspective view showing another example of a heater.

具体实施方式detailed description

以下，参照附图对加热器10的一个例子进行说明。如图1所示，本公开的加热器10具有第1构件1、发热电阻体2、以及第2构件3。Hereinafter, an example of the heater 10 will be described with reference to the drawings. As shown in FIG. 1 , a heater 10 of the present disclosure includes a first member 1 , a heating resistor 2 , and a second member 3 .

第1构件1是用于保护发热电阻体2的构件。第1构件1是棒状的构件。在此，所谓棒状的构件，意味着具有长度方向的构件，第1构件1可以是板状或柱状的构件，也可以是筒状的构件。第1构件1包含绝缘材料，例如也可以具有陶瓷材料。The first member 1 is a member for protecting the heating resistor 2 . The first member 1 is a rod-shaped member. Here, a rod-shaped member means a member having a longitudinal direction, and the first member 1 may be a plate-shaped or column-shaped member, or may be a cylindrical member. The first member 1 includes an insulating material, and may have a ceramic material, for example.

关于第1构件1的尺寸，例如在第1构件1为板状的情况下，在主面的形状为长方形时，能够将长边的长度设为5～20mm，将短边的长度设为1～10mm，将厚度设为0.08～1mm。此外，第1构件1的前端也可以变细，使得将被加热物容易地插入端部。此外，第1构件1的前端或整体也可以翘曲。Regarding the size of the first member 1, for example, when the first member 1 is a plate shape, when the shape of the main surface is a rectangle, the length of the long side can be set to 5-20 mm, and the length of the short side can be set to 1 mm. ~10mm, set the thickness to 0.08~1mm. In addition, the tip of the first member 1 may be tapered so that the object to be heated can be easily inserted into the tip. In addition, the front end or the whole of the first member 1 may be warped.

此外，在第1构件1为筒状的情况下，能够将长边方向上的长度设为5～20mm，将内径设为8～20mm，将外径设为8.5～22mm。In addition, when the first member 1 is cylindrical, the length in the longitudinal direction can be 5 to 20 mm, the inner diameter can be 8 to 20 mm, and the outer diameter can be 8.5 to 22 mm.

发热电阻体2是用于加热被加热物的构件。发热电阻体2例如能够设置在第1构件1的表面或内部。发热电阻体2例如可以是线状或带状的构件。发热电阻体2例如也可以具有折回部。发热电阻体2也可以与外部电源电连接。发热电阻体2能够通过流过电流而进行发热，并加热被加热物。发热电阻体2也可以沿着第1构件1的长边方向设置。The heating resistor 2 is a member for heating an object to be heated. The heating resistor 2 can be provided, for example, on the surface or inside of the first member 1 . The heating resistor 2 may be, for example, a linear or strip-shaped member. The heating resistor 2 may have, for example, a folded portion. The heating resistor 2 may also be electrically connected to an external power source. The heating resistor 2 can generate heat by passing an electric current, and can heat an object to be heated. The heating resistor 2 may also be provided along the longitudinal direction of the first member 1 .

发热电阻体2例如包含钨、钼、铬、它们的碳化物或金、银、钯、铂等金属。此外，发热电阻体2也可以具有氧化铝或氮化硅等作为金属以外的成分。关于发热电阻体2的尺寸，例如长度为5～50mm，宽度为0.2～2mm，厚度为0.005～0.1mm。The heating resistor 2 contains, for example, metals such as tungsten, molybdenum, chromium, and their carbides, or gold, silver, palladium, and platinum. In addition, the heating resistor 2 may have aluminum oxide, silicon nitride, or the like as a component other than metal. The size of the heating resistor 2 is, for example, 5 to 50 mm in length, 0.2 to 2 mm in width, and 0.005 to 0.1 mm in thickness.

发热电阻体2可以从第1构件1的前端设置到后端。此外，如图13以及图14所示，发热电阻体2可以与引出部5以及导线7连接。此时，能够使引出部5的电阻值比发热电阻体2小。由此，能够减少引出部5中的发热。The heating resistor 2 can be provided from the front end to the rear end of the first member 1 . In addition, as shown in FIGS. 13 and 14 , the heating resistor 2 can be connected to the lead-out portion 5 and the wire 7 . In this case, the resistance value of the lead-out portion 5 can be made smaller than that of the heating resistor 2 . Thereby, heat generation in the lead-out portion 5 can be reduced.

如图1所示，在本公开的加热器10中，具有与第1构件1的端面接合且导热率比第1构件1低的第2构件3。由此，能够在降低加热器10的前端温度的同时通过第2构件3来保护第1构件1的端面。其结果是，在将加热器10刺入了被加热物时，能够在减少到被加热物的深处为止成为高温的担忧的同时提高加热器10的耐久性。As shown in FIG. 1 , the heater 10 of the present disclosure includes a second member 3 that is bonded to the end surface of the first member 1 and has a lower thermal conductivity than the first member 1 . Thereby, the end face of the first member 1 can be protected by the second member 3 while reducing the temperature of the tip of the heater 10 . As a result, when the heater 10 is inserted into the object to be heated, it is possible to improve the durability of the heater 10 while reducing the possibility of the high temperature reaching the depth of the object to be heated.

第2构件3与第1构件1的端面接合，由此，能够提高加热器10的前端的强度。第2构件3例如可以是板状、圆锥状、圆锥台状或圆柱状，也可以是将这些形状组合的形状。在图1所示的例子中，第2构件3是圆柱状。第2构件3例如可以是氧化锆或氧化铝等的陶瓷构件。作为导热率比第1构件1低的第2构件3的例子，例如，在第1构件1是氧化铝时，能够使第2构件3为氧化锆，在第1构件1是氮化铝时，能够使第2构件3为氮化硅。The second member 3 is bonded to the end surface of the first member 1, whereby the strength of the tip of the heater 10 can be increased. The second member 3 may be, for example, a plate shape, a cone shape, a truncated cone shape, or a column shape, or may be a combination of these shapes. In the example shown in FIG. 1, the second member 3 is cylindrical. The second member 3 may be, for example, a ceramic member such as zirconia or alumina. As an example of the second member 3 having a lower thermal conductivity than the first member 1, for example, when the first member 1 is alumina, the second member 3 can be made of zirconia, and when the first member 1 is aluminum nitride, The second member 3 can be made of silicon nitride.

此外，也可以是，第1构件1具有氧化铝，第2构件3具有氧化锆。由此，加热器10前端的第2构件3是弹性高的构件，因此在将加热器10刺入了被加热物时，能够减少第2构件3破损的担忧。In addition, the first member 1 may have alumina, and the second member 3 may have zirconia. As a result, the second member 3 at the tip of the heater 10 is a highly elastic member, and therefore, when the heater 10 is pierced into an object to be heated, the possibility of damage to the second member 3 can be reduced.

此外，如图2所示，也可以是，第2构件3具有朝向前端变细的形状。由此，能够使被加热物容易地刺入加热器10的前端。在图2所示的例子中，第2构件3是圆锥状。In addition, as shown in FIG. 2 , the second member 3 may have a shape tapered toward the tip. This enables the object to be heated to easily penetrate the tip of the heater 10 . In the example shown in FIG. 2, the second member 3 is conical.

此外，如图3所示，第2构件3作为朝向前端变细的形状，也可以是组合了圆柱部分和圆锥部分的形状。在图3所示的例子中，圆柱部分的底面是与第1构件1的端面相同直径的圆形状，圆锥部分的底面也是相同直径的圆形状。本例子的第2构件3的形状与图2所示的形状相比，能够增大第2构件3的体积。通过增大导热率低的第2构件3的体积，能够在进一步降低加热器10的前端温度的同时通过第2构件3来保护第1构件1的端面。In addition, as shown in FIG. 3 , the second member 3 may have a shape in which a cylindrical part and a conical part are combined as a shape tapered toward the tip. In the example shown in FIG. 3 , the bottom surface of the cylindrical portion is circular with the same diameter as the end surface of the first member 1 , and the bottom surface of the conical portion is also circular with the same diameter. The shape of the second member 3 of this example can increase the volume of the second member 3 compared with the shape shown in FIG. 2 . By increasing the volume of the second member 3 having low thermal conductivity, the end surface of the first member 1 can be protected by the second member 3 while further reducing the temperature at the tip of the heater 10 .

在如上所述的第2构件3为前端变细的形状的情况下，前端部分还可以是曲面状(R状)。由此，在将加热器10刺入了被加热物时，能够减少第2构件3的前端部分破损的担忧。In the case where the second member 3 has a tapered shape as described above, the front end portion may be curved (R-shaped). Thereby, when the heater 10 is pierced into the object to be heated, it is possible to reduce the possibility of damage to the tip portion of the second member 3 .

此外，如图4所示，也可以是，第1构件1和第2构件3通过玻璃材料4接合。由此，能够提高第1构件1和第2构件3的接合的强度。此外，如图13以及图14所示，也可以是，第1构件1是圆柱状的构件，第1构件1的端面的形状是圆形状，第2构件3中的与第1构件1接合的面的形状也是圆形状。在该情况下，能够加宽玻璃接合的接合面积，因此能够进一步提高加热器10的强度。In addition, as shown in FIG. 4 , the first member 1 and the second member 3 may be joined by a glass material 4 . Thereby, the bonding strength of the first member 1 and the second member 3 can be improved. In addition, as shown in FIGS. 13 and 14 , the first member 1 may be a cylindrical member, the shape of the end surface of the first member 1 may be circular, and the part of the second member 3 that is joined to the first member 1 The shape of the surface is also a circular shape. In this case, since the bonding area of the glass bonding can be widened, the strength of the heater 10 can be further increased.

此外，如图5所示，也可以是，第1构件1和第2构件3通过玻璃材料4接合，并且第1构件1和第2构件3的外周面被玻璃材料4覆盖。由此，在将加热器10剌入了被加热物时，能够减少在加热器10的表面附着被加热物的担忧。其结果是，能够减少附着了被加热物的部位的加热器10的腐蚀，并减少加热器10破损的担忧。其结果是，能够提高加热器10的耐久性。另外，在加热器10中，可以是，被玻璃材料4覆盖第1构件1的外周面的一部分或全部和第2构件3的外周面的一部分或全部。此外，在加热器10中，也可以是第1构件1的外周面的一部分或全部被玻璃材料4覆盖，第2构件3的外周面不被玻璃材料4覆盖，还可以是第2构件3的外周面的一部分或全部被玻璃材料4覆盖，第1构件1的外周面不被玻璃材料4覆盖。In addition, as shown in FIG. 5 , the first member 1 and the second member 3 may be joined by the glass material 4 and the outer peripheral surfaces of the first member 1 and the second member 3 may be covered with the glass material 4 . Thereby, when the heater 10 is pierced into the object to be heated, it is possible to reduce the possibility that the object to be heated adheres to the surface of the heater 10 . As a result, corrosion of the heater 10 at the portion where the object to be heated is attached can be reduced, and the possibility of damage to the heater 10 can be reduced. As a result, the durability of the heater 10 can be improved. In addition, in the heater 10 , a part or the whole of the outer peripheral surface of the first member 1 and a part or the whole of the outer peripheral surface of the second member 3 may be covered with the glass material 4 . In addition, in the heater 10, part or all of the outer peripheral surface of the first member 1 may be covered with the glass material 4, and the outer peripheral surface of the second member 3 may not be covered with the glass material 4, or the outer peripheral surface of the second member 3 may be Part or all of the outer peripheral surface is covered with the glass material 4 , and the outer peripheral surface of the first member 1 is not covered with the glass material 4 .

此外，如图6所示，也可以是，第1构件1在端面具有凸部11，第2构件3在端面具有凹部31，并且凸部11插入凹部31。由此，第1构件1与第2构件3嵌合，因此能够减少第2构件3从第1构件1剥离的担忧。其结果是，能够提高加热器10的耐久性。In addition, as shown in FIG. 6 , the first member 1 may have the convex portion 11 on the end surface, the second member 3 may have the concave portion 31 on the end surface, and the convex portion 11 may be inserted into the concave portion 31 . Thereby, since the 1st member 1 and the 2nd member 3 are fitted, the possibility that the 2nd member 3 may peel off from the 1st member 1 can be reduced. As a result, the durability of the heater 10 can be improved.

此外，如图7所示，也可以是，第2构件3在端面具有凸部32，第1构件1在端面具有凹部12，并且凸部32插入凹部12。由此，第2构件3与第1构件1嵌合，因此能够减少第2构件3从第1构件1剥离的担忧。其结果是，能够提高加热器10的耐久性。In addition, as shown in FIG. 7 , the second member 3 may have the convex portion 32 on the end surface, the first member 1 may have the concave portion 12 on the end surface, and the convex portion 32 may be inserted into the concave portion 12 . Thereby, since the 2nd member 3 is fitted into the 1st member 1, the possibility that the 2nd member 3 may peel off from the 1st member 1 can be reduced. As a result, the durability of the heater 10 can be improved.

此外，如图8所示，也可以是，第2构件3在端面具有凹部31，并且使第1构件的端面为平坦面。由此，凹部31内成为空隙，能够使从第1构件1向第2构件3的导热性下降，并降低加热器10的前端温度。In addition, as shown in FIG. 8 , the second member 3 may have the concave portion 31 on the end surface, and the end surface of the first member may be a flat surface. Thereby, the inside of the recessed part 31 becomes a void, the thermal conductivity from the 1st member 1 to the 2nd member 3 can be reduced, and the temperature of the front-end|tip of the heater 10 can be lowered.

此外，如图9所示，也可以是，第1构件1在端面具有凹部12，并且使第2构件的端面为平坦面。由此，凹部12内成为空隙，能够使从第1构件1向第2构件3的导热性下降，并降低加热器10的前端温度。Moreover, as shown in FIG. 9, the 1st member 1 may have the recessed part 12 in the end surface, and the end surface of the 2nd member may be made into a flat surface. As a result, the inside of the concave portion 12 becomes a void, the thermal conductivity from the first member 1 to the second member 3 can be reduced, and the temperature at the tip of the heater 10 can be lowered.

如前述的那样，在将第1构件1和第2构件3用玻璃材料4进行接合的情况下，也可以在凹部31以及凹部12内放入玻璃材料4。As mentioned above, when joining the first member 1 and the second member 3 with the glass material 4 , the glass material 4 may be put in the recess 31 and the recess 12 .

此外，如图10所示，也可以是，第1构件1为筒状。由此，能够减少加热器10的热容量。因此，能够使热容易地传递到被加热物。其结果是，能够提高被加热物的加热的速度。Moreover, as shown in FIG. 10, the 1st member 1 may be cylindrical. Thereby, the heat capacity of the heater 10 can be reduced. Therefore, heat can be easily transferred to the object to be heated. As a result, the heating rate of the object to be heated can be increased.

此外，如图11所示，也可以是，第2构件3在端面具有凸部32，并且凸部32插入筒状的第1构件1的内侧。由此，能够在减少加热器10的热容量的同时提高第1构件1和第2构件3的接合强度。In addition, as shown in FIG. 11 , the second member 3 may have a convex portion 32 on an end surface, and the convex portion 32 may be inserted into the inside of the cylindrical first member 1 . Accordingly, it is possible to increase the bonding strength between the first member 1 and the second member 3 while reducing the heat capacity of the heater 10 .

此外，如图12所示，本公开的一个例子的香烟用加热用具100具备加热器10和保持加热器10的凸缘6。由此，能够在减少香烟的吸嘴附近过度升温的担忧的同时提高香烟用加热用具的耐久性。另外，图12所示的香烟用加热用具100是具备图11所示的加热器10的结构，但是本公开的香烟用加热用具100可以是具备前述的图1～10所示的任一加热器10的结构。Furthermore, as shown in FIG. 12 , a cigarette heating tool 100 according to an example of the present disclosure includes a heater 10 and a flange 6 holding the heater 10 . Thereby, the durability of the cigarette heating tool can be improved while reducing the possibility of excessive temperature rise in the vicinity of the mouthpiece of the cigarette. In addition, the cigarette heating appliance 100 shown in FIG. 12 has a structure including the heater 10 shown in FIG. 10 structures.

本公开能够在不脱离其精神或主要特征的情况下以其他各种方式实施。因此，前述的实施方式在所有的方面只不过仅仅是例示，本发明的范围是权利要求书所示的范围，丝毫不约束于说明书正文。进而，属于权利要求书的变形、变更全部在本发明的范围内。The present disclosure can be implemented in other various forms without departing from its spirit or main characteristics. Therefore, the above-mentioned embodiment is merely an illustration in all points, and the scope of the present invention is the scope shown by a claim, and is not limited at all by the text of a specification. Furthermore, all modifications and changes belonging to the claims are within the scope of the present invention.

-符号说明--Symbol Description-

1：第1构件；1: the first component;

11：凸部；11: Convex part;

12：凹部；12: concave part;

2：发热电阻体；2: heating resistor;

3：第2构件；3: the second component;

31：凹部；31: concave part;

32：凸部；32: convex part;

4：玻璃材料；4: glass material;

5：引出部；5: lead-out part;

6：凸缘；6: Flange;

7：导线；7: Wire;

10：加热器；10: heater;

100：香烟用加热用具。100: Heating appliances for cigarettes.

Claims (7)

1. A heater, comprising:
a rod-shaped 1 st member;
a heating resistor body located inside or on the surface of the 1 st member; and
a 2 nd member joined to an end face of the 1 st member and having a lower thermal conductivity than the 1 st member,
the end surface of the 1 st component is a flat surface,
the 2 nd member has a recess on an end surface.
2. The heater of claim 1,
the 1 st member has alumina and the 2 nd member has zirconia.
3. The heater of claim 1 or 2,
the 2 nd member has a shape tapering toward the front end.
4. The heater of claim 1,
the 1 st member and the 2 nd member are joined by a glass material, which enters the recess.
5. The heater of claim 4,
the 1 st member and the 2 nd member are joined by a glass material, and outer peripheral surfaces of the 1 st member and the 2 nd member are covered with the glass material.
6. The heater of claim 1,
the 1 st member is cylindrical.
7. A heating appliance, comprising:
a heater as claimed in any one of claims 1 to 6; and
a flange holding the heater.
CN201980040399.7A 2018-09-11 2019-09-04 Heater and heating appliance equipped with the heater Active CN112335334B (en)

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JP2018-169930 2018-09-11
JP2018169930 2018-09-11
PCT/JP2019/034843 WO2020054554A1 (en) 2018-09-11 2019-09-04 Heater and tobacco heating tool equipped with same

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CN112335334B true CN112335334B (en) 2022-12-09

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KR (1) KR102551999B1 (en)
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WO (1) WO2020054554A1 (en)

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CN112335334A (en) 2021-02-05
KR20210008526A (en) 2021-01-22
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JP7129485B2 (en) 2022-09-01
WO2020054554A1 (en) 2020-03-19

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