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    • 1. 发明授权
    • Thermal fuse employing thermosensitive pellet
    • 热熔丝采用热敏颗粒
    • US07843307B2
    • 2010-11-30
    • US12284936
    • 2008-09-23
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H85/06H01H85/055
    • H01H37/765H01H2037/769
    • A thermal fuse employing a thermosensitive pellet is provided, which exhibits stabilized characteristics in a low operating temperature region. The thermal fuse includes at least a switching movable member, a thermosensitive pellet member, a pair of leads having a first lead portion and a second lead portion, and a metal casing. The thermosensitive pellet member contains a polyolefin wax. The thermosensitive pellet member is housed in the metal casing to which the pair of leads are attached. The switching movable member is operated by deformation associated with softening or melting of the thermosensitive pellet member, to attain a cut-off state between the pair of leads. The thermal fuse employing a thermosensitive pellet is suitable for an operating temperature of 50 to 180° C. Furthermore, in the thermosensitive pellet member the polyolefin wax is mixed with a thermoplastic resin as appropriate, to thereby provide a thermal fuse employing a thermosensitive pellet which increases the response speed while maintaining the operating temperature with high accuracy.
    • 提供采用热敏颗粒的热熔丝,其在低工作温度区域中表现出稳定的特性。 热熔丝至少包括切换可动部件,热敏芯片部件,具有第一引线部分和第二引线部分的一对引线以及金属外壳。 热敏颗粒构件含有聚烯烃蜡。 热敏颗粒构件容纳在附接有一对引线的金属外壳中。 切换可动部件通过与热敏性粒状部件的软化或熔融有关的变形来进行动作,以达到一对引线之间的切断状态。 使用热敏颗粒的热熔丝适用于工作温度为50至180℃。此外,在热敏颗粒部件中,聚烯烃蜡根据需要与热塑性树脂混合,从而提供使用热敏颗粒的热熔丝, 提高响应速度,同时保持高精度的工作温度。
    • 4. 发明申请
    • Thermal fuse employing thermosensitive pellet
    • 热熔丝采用热敏颗粒
    • US20060208845A1
    • 2006-09-21
    • US11203079
    • 2005-08-12
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H85/04
    • H01H37/765H01H2037/768H01H2037/769
    • There is provided a thermal fuse employing a thermosensitive pellet providing an operating temperature with limited variation, and operating with high precision and hence highly reliably. To achieve this, the thermal fuse employing the thermosensitive pellet includes a switching function member including a thermosensitive pellet, a movable conductor, and a spring member. At a prescribed operating temperature the thermosensitive pellet softens or melts to liberate the spring member from a load to cause the spring member to move the movable conductor to switch an electrical circuit located between the first and second lead members. The thermosensitive pellet is formed of a thermosensitive material selected depending on a characteristic in flowability presented as it softens or melts.
    • 提供了一种使用热敏颗粒的热熔丝,其提供具有有限变化的操作温度,并且以高精度和因此高度可靠地操作。 为了实现这一点,使用热敏颗粒的热熔丝包括包括热敏颗粒,可移动导体和弹簧构件的切换功能构件。 在规定的操作温度下,热敏颗粒软化或熔化以从负载释放弹簧构件,以使弹簧构件移动可动导体以切换位于第一和第二引导构件之间的电路。 热敏颗粒由根据在软化或熔化时呈现的流动性的特征选择的热敏材料形成。
    • 5. 发明申请
    • Thermal fuse employing thermosensitive pellet
    • 热熔丝采用热敏颗粒
    • US20090179729A1
    • 2009-07-16
    • US12383052
    • 2009-03-18
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H85/08
    • H01H37/767H01H37/765H01H2037/768
    • A thermal fuse includes a metallic casing, a first lead member having a first electrode formed at an end thereof, a second lead member having a second electrode formed at an internal wall surface of the casing, a switching function member including a spring member pressing a thermosensitive pellet and a movable conductor. At an operating temperature as the thermosensitive pellet softens and melts, the thermal fuse switches an electrical circuit between the first and second electrodes. In order to respond and switch more quickly at the operating temperature, the thermosensitive pellet is produced to have a structure that facilitates activation thereof at the operating temperature. Such a structure may involve at least one cavity incorporated in the pellet, or may involve at least two different resin materials that are mixed together or provided in plural layers in the pellet.
    • 热熔丝包括金属壳体,具有形成在其一端的第一电极的第一引线构件,具有形成在壳体的内壁表面的第二电极的第二引线构件,切换功能构件,其包括弹簧构件, 热敏颗粒和可动导体。 在热敏颗粒软化和熔化的操作温度下,热熔丝在第一和第二电极之间切换电路。 为了在操作温度下更快地进行响应和切换,产生热敏颗粒以具有在工作温度下有助于其活化的结构。 这种结构可以包括结合在颗粒中的至少一个空腔,或者可以包括在颗粒中混合在一起或设置成多层的至少两种不同的树脂材料。
    • 6. 发明申请
    • Temperature sensing material type thermal use
    • 温度传感材料型热利用
    • US20050179516A1
    • 2005-08-18
    • US10512167
    • 2003-04-22
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H37/76H01H85/06
    • H01H37/765H01H2037/769
    • In the present invention, a physical and chemical property of thermosensitive material is noted in selecting and using thermosensitive material to provide a noble and improved thermal fuse using thermosensitive material. To achieve this object, the present thermal fuse includes: a thermosensitive material formed of thermoplastic resin fusing at a prescribed temperature; a cylindrical enclosure accommodating the thermosensitive material; a first lead member attached at one opening of the enclosure, forming a first electrode; a second lead member attached at the other opening of the enclosure, forming a second electrode; a movable conductive member accommodated in the enclosure and engaged with the thermosensitive material; and a spring member accommodated in the enclosure, and pressed against and thus acting on the movable conductive member. When the thermosensitive material fuses at an operating temperature an electrical circuit between the first and second electrodes is switched.
    • 在本发明中,热敏材料的物理和化学性质在选择和使用热敏材料时提供使用热敏材料提供高贵且改进的热熔丝。 为了实现该目的,本发明的热熔丝包括:在规定温度下熔合热塑性树脂形成的热敏材料; 容纳热敏材料的圆柱形外壳; 附接在所述外壳的一个开口处的第一引线构件,形成第一电极; 附接在所述外壳的另一开口处的第二引线构件,形成第二电极; 容纳在所述外壳中并与所述热敏材料接合的可移动导电构件; 以及容纳在所述外壳中的弹簧构件,并且被压靠并因此作用在所述可移动导电构件上。 当热敏材料在工作温度下熔化时,切换第一和第二电极之间的电路。
    • 7. 发明授权
    • Thermal fuse
    • 热熔丝
    • US06724292B2
    • 2004-04-20
    • US10276395
    • 2002-11-14
    • Ikuhiro MiyashitaTokihiro YoshikawaMichihiko NishijimaHideo Kumita
    • Ikuhiro MiyashitaTokihiro YoshikawaMichihiko NishijimaHideo Kumita
    • H01H8506
    • H01H1/0237C22C5/06C22C5/08H01H37/765H01H2037/768Y10T29/49107
    • An object is to provide a thermal fuse that is free of a trouble of welding contact between a movable electrode (4) and a lead (2) even when temperature of an equipment to which the thermal fuse is connected rises gradually and that has small electric resistance at the time of conduction. For this purpose, the present invention provides a thermal fuse in which a thermosensitive material (7) is melt at an operation temperature to unload a compression spring (9), and by expansion of the compression spring (9), a movable electrode (4) and a lead (2) that have been in pressure contact by the compression spring (9) are separated to stop electric current, characterized in that material of the movable electrode (4) is obtained by performing internal oxidation process of an alloy having a composition containing 99 to 80 parts by weight of Ag and 1 to 20 parts by weight of Cu, that thickness of a layer having smaller amount of oxide particles at a surface of the material is at most 5 &mgr;m, and that average grain diameter of oxide particles in the material is 0.5 to 5 &mgr;m.
    • 本发明的目的是提供一种即使在连接了热熔丝的设备的温度逐渐上升且具有小电力的情况下,也可以在可动电极(4)与引线(2)之间焊接接触的故障的热熔丝 为此,本发明提供一种热熔体,其中热敏材料(7)在操作温度下熔化以卸载压缩弹簧(9),并且通过压缩弹簧(9)的膨胀 ),通过压缩弹簧(9)压力接触的可动电极(4)和引线(2)被分离以停止电​​流,其特征在于,可动电极(4)的材料通过内部 具有含有99〜80重量份Ag和1〜20重量份Cu的组成的合金的氧化处理,该材料表面的氧化物粒子数量少的层的厚度为5μm以下, 和th 材料中氧化物颗粒的平均粒径为0.5〜5μm。
    • 8. 发明申请
    • Thermal fuse employing thermosensitive pellet
    • 热熔丝采用热敏颗粒
    • US20090091417A1
    • 2009-04-09
    • US12284936
    • 2008-09-23
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H37/00
    • H01H37/765H01H2037/769
    • A thermal fuse employing a thermosensitive pellet is provided which uses a new substance exhibiting stabilized characteristics as a thermosensitive material used in the case where the thermal fuse employing a thermosensitive pellet has an operating temperature in a low temperature region. The thermal fuse employing a thermosensitive pellet of the present invention includes at least a switching movable member, a thermosensitive pellet member, a pair of leads having a first lead portion and a second lead portion, and a metal casing, in which the thermosensitive pellet member contains a polyolefin wax, the thermosensitive pellet member is housed in the metal casing to which the pair of leads are attached, the switching movable member is operated by deformation associated with softening or melting of the thermosensitive pellet member, to attain a cut-off state between the pair of leads, and the thermal fuse employing a thermosensitive pellet is suitable for an operating temperature of 50 to 180° C. Furthermore, the thermosensitive pellet member is used mixed with a thermoplastic resin as appropriate, to thereby provide a thermal fuse employing a thermosensitive pellet which increases the response speed while maintaining the operating temperature with high accuracy.
    • 提供了使用热敏颗粒的热熔体,其使用具有稳定特性的新物质作为在使用热敏颗粒的热熔丝具有低温区域的工作温度的情况下使用的热敏材料。 使用本发明的热敏颗粒的热熔丝至少包括切换可移动部件,热敏颗粒部件,具有第一引线部分和第二引线部分的一对引线以及金属外壳,其中热敏芯片部件 包含聚烯烃蜡,热敏颗粒构件容纳在附接有一对引线的金属壳体中,切换可移动构件通过与热敏颗粒构件的软化或熔化相关联的变形来操作,以获得截止状态 在一对引线之间,并且使用热敏颗粒的热熔丝适用于50至180℃的操作温度。此外,将热敏颗粒构件适当地与热塑性树脂混合,从而提供使用 热敏颗粒在保持工作温度的同时高精度地提高响应速度。
    • 9. 发明授权
    • Thermal pellet incorporated thermal fuse and method of producing thermal pellet
    • 热敏颗粒包含热熔丝和生产热丸的方法
    • US07323966B2
    • 2008-01-29
    • US10971166
    • 2004-10-22
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H85/06H01H85/055
    • H01H37/765H01H2037/768H01H2037/769
    • A thermal fuse incorporating a thermal pellet has its operating temperature, or heat distortion temperature, adjusted and the thermosensitive material of the pellet avoids deformation, modification or similar deficiency if it is exposed to a severe external environment. The inexpensive thermal fuse provides a wider range from which an operating temperature can be selected, improved insulation resistance after operation, faster response speed in operation, and enhanced strength of the thermal pellet. The thermosensitive material is formed of a thermoplastic resin corresponding to a high molecular weight substance. The thermal pellet's heat distortion temperature is adjusted by a temperature setting method. An enclosure of the fuse has a metal casing with a spring member's strong and weak compression springs both accommodated therein and hermetically sealed.
    • 包含热丸的热熔丝具有其工作温度或热变形温度,并且如果暴露于严重的外部环境,则颗粒的热敏材料避免变形,修改或类似的缺陷。 廉价的热保险丝提供了更宽的范围,从中可以选择工作温度,提高操作后的绝缘电阻,更快的响应速度和更高的散热强度。 热敏材料由对应于高分子量物质的热塑性树脂形成。 热敏颗粒的热变形温度通过温度设定方法进行调节。 保险丝的外壳具有金属外壳,弹簧构件的强弱的压缩弹簧都容纳在其中并被密封。
    • 10. 发明申请
    • Thermal fuse employing thermosensitive pellet
    • 热熔丝采用热敏颗粒
    • US20060232372A1
    • 2006-10-19
    • US11398967
    • 2006-04-05
    • Tokihiro Yoshikawa
    • Tokihiro Yoshikawa
    • H01H85/08
    • H01H37/767H01H37/765H01H2037/768
    • To faster respond to switch at an operating temperature a thermal fuse employing a thermosensitive pellet includes a metallic casing, a first lead member having a first electrode formed at an end thereof, a second lead member having a second electrode formed at an internal wall surface of the casing, a switching function member including a spring member pressing the thermosensitive pellet and a movable conductor. At the operating temperature as the thermosensitive pellet softens and melts, the thermal fuse switches an electrical circuit between the first and second electrodes, and it is characterized in that the thermosensitive pellet undergoes a process to facilitate activation to allow the thermal fuse to faster respond to switch at the operating temperature.
    • 为了更快地响应于在工作温度下的开关,使用热敏颗粒的热熔丝包括金属壳体,具有在其端部形成的第一电极的第一引线构件,具有形成在第一电极的内壁表面处的第二电极的第二引线构件 壳体,包括按压热敏颗粒的弹簧构件和可移动导体的切换功能构件。 在热敏颗粒软化和熔化的工作温度下,热熔丝切换第一和第二电极之间的电路,其特征在于,热敏颗粒经历一个促进激活的过程,以使热熔丝更快地响应于 切换到工作温度。