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    • 2. 发明公开
    • Electromagnetic relay
    • 电磁继电器
    • EP0375398A2
    • 1990-06-27
    • EP89313357.9
    • 1989-12-20
    • MATSUSHITA ELECTRIC WORKS, LTD.
    • Nishikawa, ToyotakaInoue, Kazuhiko
    • H01H50/26
    • H01H50/18H01H50/26
    • An electromagnetic relay comprises an elongated coil bobbin having an axially extending bore and carrying therearound an excitation coil, a generally U-shaped yoke with first and second yoke members, and a generally U-shaped armature with short and long legs connected by a web. The yoke and the armature are magnetically coupled together partly within the axial bore of the coil bobbin to form a magnetic circuit with the excitation coil such that the armature is movable between a set position of closing a relay contact and a reset position of opening the relay contact. The first yoke member extends into the axial bore to define at its free end a first pole end while the second yoke member extending outwardly of the excitation coil to define a second pole end. The short armature leg extends into the bore in an overlying relation with the first pole end, while the long armature leg extends outwardly of the coil in adjacent relation to the second pole end. The armature defines a bearing edge at an inner corner between the web and the short leg and is pivotable relative to the yoke with the bearing end supported on a pivot edge formed at the end of the first pole end. A hinge spring is fitted into the axial bore of the coil bobbin to urge the bearing edge of the armature against the pivot edge of the yoke at an optimum contact pressure, thereby maintaining the bearing edge at a fixed position and therefore insuring an exact pivotal movement of the armature.
    • 一种电磁继电器包括具有轴向延伸孔并在其周围承载励磁线圈的细长线圈骨架,具有第一和第二磁轭构件的大致U形磁轭以及具有通过片连接的短和长腿的大致U形电枢。 轭和衔铁部分地在线圈架的轴向孔内部磁性耦合在一起以与励磁线圈形成磁路,使得衔铁可在闭合继电器触点的设定位置和打开继电器的复位位置之间移动 联系。 第一轭构件延伸到轴向孔中以在其自由端处限定第一极端,而第二轭构件从励磁线圈向外延伸以限定第二极端。 短的电枢支腿以与第一电极末端重叠的关系延伸到孔中,而长的电枢支腿以与第二电极末端相邻的关系向外延伸。 电枢在腹板和短腿之间的内角处限定了支承边缘,并且可相对于轭架枢转,其中支承端支承在形成于第一杆端部的端部处的枢转边缘上。 铰链弹簧装配在线圈架的轴向孔中,以便以最佳的接触压力将衔铁的支承边缘推靠在轭架的枢转边缘上,由此将支承边缘保持在固定位置并因此确保精确的枢转运动 的电枢。
    • 5. 发明公开
    • Electromagnetic relay
    • EP0375398A3
    • 1991-01-09
    • EP89313357.9
    • 1989-12-20
    • MATSUSHITA ELECTRIC WORKS, LTD.
    • Nishikawa, ToyotakaInoue, Kazuhiko
    • H01H50/26
    • H01H50/18H01H50/26
    • An electromagnetic relay comprises an elongated coil bobbin having an axially extending bore and carrying therearound an excitation coil, a generally U-shaped yoke with first and second yoke members, and a generally U-shaped armature with short and long legs connected by a web. The yoke and the armature are magnetically coupled together partly within the axial bore of the coil bobbin to form a magnetic circuit with the excitation coil such that the armature is movable between a set position of closing a relay contact and a reset position of opening the relay contact. The first yoke member extends into the axial bore to define at its free end a first pole end while the second yoke member extending outwardly of the excitation coil to define a second pole end. The short armature leg extends into the bore in an overlying relation with the first pole end, while the long armature leg extends outwardly of the coil in adjacent relation to the second pole end. The armature defines a bearing edge at an inner corner between the web and the short leg and is pivotable relative to the yoke with the bearing end supported on a pivot edge formed at the end of the first pole end. A hinge spring is fitted into the axial bore of the coil bobbin to urge the bearing edge of the armature against the pivot edge of the yoke at an optimum contact pressure, thereby maintaining the bearing edge at a fixed position and therefore insuring an exact pivotal movement of the armature.
    • 8. 发明公开
    • Electromagnetic relay
    • Elektromagnetisches Relais。
    • EP0117451A1
    • 1984-09-05
    • EP84100961.6
    • 1984-01-31
    • MATSUSHITA ELECTRIC WORKS, LTD.Sauer, Hans
    • Motoyama, MasanoriNishikawa, Toyotaka
    • H01H51/22H01H50/16
    • H01H50/16H01H51/2281
    • An electromagnetic relay includes a coil assembly 2 with a coil 20 and an ion core 21 extending through the coil 20, an armature assembly with a pair of frame-shaped upper and lower armatures 3, 4 disposed parallel to each other and so as to surround the coil 20, and a pair of contact units 6, 8 operated by the armature assembly. The coil 20 is covered with a molded portion 23 which has a pair of lateral studs 24 integrally formed with it, the studs 24 defining a horizontal axis about which the armature assembly is pivotal. High accuracy in the positional relation between the pole faces formed by extending ends of the iron core 21 and the respective ends of the armatures 3, 4 cooperating with the pole faces is achieved by the fact that both the pole faces provided on the iron core 21 and the studs 24 form part of the coil assembly which is formed as one common block. At the same time, a very thin relay is obtained since the overall vertical dimension of the relay may be restricted to the height of the coil.
    • 电磁继电器包括具有线圈20和延伸穿过线圈20的离子芯21的线圈组件2,具有一对彼此平行设置并围绕的框架形状的上下电枢3,4的电枢组件 线圈20和由电枢组件操作的一对接触单元6,8。 线圈20被模制部分23覆盖,模制部分23具有与其一体形成的一对横向螺柱24,螺柱24限定水平轴线,电枢组件围绕该水平轴线枢转。 通过铁芯21的延伸端部和与电极面协作的电枢3,4的各端部之间形成的极面之间的位置关系的高精度是通过设置在铁芯21上的极面 并且螺栓24形成为形成为一个公共块的线圈组件的一部分。 同时,由于继电器的整体垂直尺寸可以限制在线圈的高度,所以获得了非常薄的继电器。