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热词
    • 8. 发明授权
    • Thermal switch
    • 热开关
    • US4646054A
    • 1987-02-24
    • US743945
    • 1985-06-12
    • Helmut Bayer
    • Helmut Bayer
    • H01H37/54H01H37/70H01H37/52
    • H01H37/5409
    • A thermal switch for breaking an electrical circuit to prevent overheatings described. The thermal switch includes a bimetallic thermocouple in the form of a snap disc and a leaf spring. The leaf spring supports an electrical contact. When the leaf spring is in its stressed position, the electrical contact keeps an electrical circuit closed. When the temperature rises too high, the snap disc snaps in a direction which causes the leaf spring to move into its unstressed position, thereby opening the circuit. When the temperature has decreased, the switch can be reset.
    • 描述用于断开电路以防止过热的热开关。 热敏开关包括形式为卡盘和板簧的双金属热电偶。 板簧支撑电气接触。 当板簧处于应力位置时,电气触点保持电路闭合。 当温度上升得太高时,卡盘卡盘沿着使板簧移动到其不受应力位置的方向卡扣,从而打开电路。 当温度降低时,开关可以复位。