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    • 4. 发明专利
    • Starter magnet switch
    • 起动磁铁开关
    • JP2013105557A
    • 2013-05-30
    • JP2011247244
    • 2011-11-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • TAKAHAMA SHUICHI
    • H01H50/54F02N11/00F02N15/00F02N15/06H01H1/20
    • H01H51/065H01H1/20H01H11/04H01H50/20H01H50/546
    • PROBLEM TO BE SOLVED: To obtain a long-life starter magnet switch which cannot just cope with contact wear at the time a contact is closed but also cope with wear due to current cutoff at the time the contact is opened, thereby helping solve the problem that although a low flexural rigidity and thin plate-like member is used for a movable contact to restrict a movable contact bounce at the time the contact is closed and thereby reduce contact wear, the number of times a starter is used in an idling-stop car increases, so does the number of times the contact is opened and closed, giving rise to concern about wear.SOLUTION: The starter magnet switch includes: a plunger which is suctioned by a solenoid, a rod which adjoins the plunger and moves resisting to a return spring, a plate-like movable contact which is attached to the rod and has contact points, one each at opposite ends, and a fixed contact having contact points which are shorted by the movable contact. The two contact point portions of the movable contact are greater in plate thickness than the middle portion, the thickened plate portion forming a level difference portion with the contact points of the movable contact, and the level difference portion defining a fulcrum-to-fulcrum distance L when the movable contact is pushed against the fixed contact points at opposite ends by a contact spring.
    • 要解决的问题:为了获得一个长寿命的起动器磁体开关,它不仅能够在触点闭合时处理接触磨损,而且还可以解决接触开启时由于电流截止而导致的磨损,从而有助于 解决了这样一个问题,即尽管将低弯曲刚性和薄板状构件用于可动触点,以限制触点闭合时的可动触头反弹,从而降低触点磨损,但是使用起动器的次数 怠速停车增加,接触开关次数也随之增加,从而引起人们对磨损的担忧。 起动器磁体开关包括:由螺线管抽吸的柱塞,邻接柱塞并抵抗复位弹簧移动的杆;连接到杆上并具有接触点的板状活动触点 每一个在相对端,一个固定触点具有由可动触头短路的触点。 可动触头的两个触点部分的板厚比中间部分大,加厚板部分与可动触点的接触点形成一个高低差部分,而液位差部分限定支点到支点的距离 L,当可动触头通过接触弹簧在相对端被抵靠固定触点时。 版权所有(C)2013,JPO&INPIT