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    • 3. 发明授权
    • Electromagnetic relay
    • 电磁继电器
    • US09530599B2
    • 2016-12-27
    • US15073629
    • 2016-03-17
    • Panasonic Intellectual Property Management Co., Ltd.
    • Katsutoshi YamagataTsukasa Nishimura
    • H01H51/22H01H50/56
    • H01H50/56H01H50/28H01H50/30H01H2205/002
    • An electromagnetic relay includes an electromagnet block, a pair of fixed contacts, a movable spring, and a stopper. The electromagnet block includes an exciter coil and an armature. The movable spring includes a fixed portion and a movable portion. The fixed portion is fixed to the electromagnet block. The movable portion contacts fixed contact and is separated from the fixed contacts in response to turning on and off of an energizing of the exciter coil. The stopper configured to restrict a movement of the movable portion. The armature is fixed to the movable portion and is displaced unitarily with the movable portion. The movable spring is configured to, upon turning on the energizing of the exciter coil, cause the movable portion to move, by magnetic force, in an approaching direction in which the movable portion approaches the fixed contacts with the fixed portion functioning as a fulcrum, and contact the fixed connection portions. The movable spring is configured to, upon turning off the energizing of the exciter coil, cause the movable portion to be separated, by restoring force, from the fixed contacts in a separating direction in which the movable portion is separated from the fixed contacts. The stopper is configured to, upon turning on the energizing of the exciter coil, contact the movable portion and reduce a moving speed of the movable portion in the approaching direction before the movable portion contacts the fixed contacts. The stopper is configured to, upon turning off the energizing of the exciter coil, contact the armature and reduce the moving speed of the movable portion in the separating direction.
    • 电磁继电器包括电磁块,一对固定触点,可移动弹簧和止动器。 电磁铁块包括励磁线圈和电枢。 可动弹簧包括固定部分和可移动部分。 固定部固定在电磁铁块上。 响应于励磁线圈的通电导通和断开,可动部分接触固定触点并与固定触头分离。 所述止动件构造成限制所述可动部的运动。 电枢固定在可动部分上,与可动部分一体移动。 可动弹簧构造成在接通励磁线圈的通电时,通过磁力使可动部分沿着作为支点的固定部分的可动部接近固定触点的接近方向移动, 并与固定连接部分接触。 可移动弹簧构造成在关闭激励线圈的激励时,通过恢复力使可动部分从可动部分与固定触头分离的分离方向从固定触头分离。 所述止动件构造成在所述励磁线圈的通电接通时,在所述可动部接触所述固定触点之前,使所述可动部接触所述可动部在接近方向上的移动速度。 止动件被构造成在关闭励磁线圈的通电时,接触电枢并减小可动部分在分离方向上的移动速度。