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    • 5. 发明授权
    • Miniature transfer relay
    • 微型转接继电器
    • US5331302A
    • 1994-07-19
    • US47482
    • 1993-04-19
    • Takashi YoshimuraTakayasu IshizukaMasayui ShiomiTomoyoshi HayashiHiroaki AihoshiHisanobu Tanaka
    • Takashi YoshimuraTakayasu IshizukaMasayui ShiomiTomoyoshi HayashiHiroaki AihoshiHisanobu Tanaka
    • H01H11/00H01H50/54H01H51/22
    • H01H11/0056H01H50/548H01H2050/044
    • A miniature transfer relay has a base mounting a contact assembly and an electromagnet. The contact assembly includes a normally-open (NO) fixed contact, a normally-closed (NC) fixed contact, a common conductor, and a movable spring extending from the common conductor and carrying first and second movable contacts engageable respectively with the NO and NC contacts. The electromagnet block includes an armature which is movable between set and reset positions and is connected to the movable spring for making and breaking the NO and NC contacts simultaneously in response to the armature movement. The NO fixed contact and the common conductor are molded in an upper surface of the base, while the NC fixed contacts has a portion molded in the base. The movable spring is an elongated self-biased resilient member which is formed at one longitudinal end thereof with the first movable contact and which is secured at the other longitudinal end to the common conductor such that the movable spring can resiliently flex in a cantilever fashion to move the first movable contact into and out of contact with the NO fixed contact. The relay is characterized in that the movable spring carries the second movable contact at a portion intermediate its longitudinal ends and on a surface opposite of the first movable contact, and that the NC fixed contact extends upwardly from the base and is bent over the movable spring to be kept in normally closed relation to the second movable contact.
    • 微型转印继电器具有安装接触组件和电磁体的基座。 接触组件包括常开(NO)固定触点,常闭(NC)固定触点,公共导体和从公共导体延伸的可移动弹簧,并携带可分别接触NO和 常闭触点。 电磁块包括可在设定位置和复位位置之间移动的电枢,并且连接到可动弹簧,用于响应于电枢运动同时地使NO和NC触点断开。 NO固定触点和公共导体模制在基座的上表面中,而NC固定触头具有在基座中成型的部分。 可移动弹簧是一个细长的自偏压弹性构件,其在其一个纵向端部处形成有第一可动触头,并且在另一个纵向端部固定到公共导体,使得可移动弹簧可以以悬臂方式弹性地弯曲成 将第一个可动触点移动到与NO固定触点接触的位置。 继电器的特征在于,可移动弹簧在其纵向端部之间的部分和与第一可动触头相对的表面上承载第二可动触头,并且NC固定触头从基座向上延伸并且在可动弹簧 与第二可动触头保持常闭。