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    • 2. 发明授权
    • Casing for a junction in a flat cable
    • 用扁平电缆套管接头
    • US5798486A
    • 1998-08-25
    • US763293
    • 1996-12-10
    • Herbert ElsingerJohannes OberndorferFriedrich Plappert
    • Herbert ElsingerJohannes OberndorferFriedrich Plappert
    • F42D1/045F42D1/055F42D1/06H01R12/62H01R4/10
    • H01R12/62F42D1/045
    • A casing 14 for a junction included in a flat cable 10, e.g. for a trigger stage of a sequential blasting system, consists of two casing portions 12, 13 adapted to be fixed to each other by screwing within the lead-through regions of the cable. The casing portions 12, 13 constitute cramping areas for fixing the cable 10 to the casing 14 in a direct, non-positive way, wherein the screws 23 which interconnect the two casing portions 12, 13 at the same time create the cramping pressure. An additional positive engagement between the cable 10 and the casing 14 is achieved by engagement between a tube 25 which receives the screw 23 and a hole 29 provided in a center web 28 of the cable. Tensile strain occurring within the cable 10 is thus diverted via the casing 14 around the electrical equipment provided in the casing and soldered to the wires 19 of the cable 10. Even under high tensile forces, the soldering points are thus not exposed to any strain.
    • 用于包括在扁平电缆10中的结的壳体14,例如。 对于顺序爆破系统的触发级,由两个壳体部分12,13组成,两个壳体部分12,13适于通过在电缆的引导区域内旋拧而相互固定。 壳体部分12,13构成用于将电缆10以直接非正性方式固定到壳体14的夹紧区域,其中同时互连两个壳体部分12,13的螺钉23产生夹紧压力。 电缆10和外壳14之间的额外的正接合通过接收螺钉23的管25和设置在电缆的中心腹板28中的孔29之间的接合实现。 因此,电缆10内发生的拉伸应变经由壳体14绕设置在壳体内的电气设备转向,并焊接到电缆10的电线19.即使在高拉力下,焊接点也不会受到任何应变。
    • 5. 发明授权
    • Contact unit for electromagnetic relays
    • 电磁继电器接点单元
    • US06300854B1
    • 2001-10-09
    • US09461386
    • 1999-12-15
    • Johannes Oberndorfer
    • Johannes Oberndorfer
    • H01H100
    • H01H50/548H01H1/2075H01H1/2083H01H9/38
    • For increasing the reliability of contact closure in safety relays, a contact spring (10) is provided with two contact pieces (15, 16) which are disposed at the free end of the contact spring (10), spaced transversely of the longitudinal axis thereof and cooperate with contact pieces (17, 18) disposed on a common fixed contact. The contact spring (10) has a zone (19) in which it is not only flexible but also sufficiently torsional about its longitudinal axis in order to ensure the closure of both contact couples. Disposing the free end of the contact spring (10) carrying the contact pieces (15, 16) at an angle with respect to the fixed contact (12) achieves smooth and low-bounce contact closure and at the same time provides the function of a pre-contact and a main contact.
    • 为了增加安全继电器中接触闭合的可靠性,接触弹簧(10)设置有两个接触片(15,16),它们设置在接触弹簧(10)的自由端处,其横向于其纵向轴线 并配合设置在公共固定接点上的接触件(17,18)。 接触弹簧(10)具有区域(19),其中不仅柔性,而且围绕其纵向轴线具有足够的扭转力,以确保两个接触件的闭合。 将接触片(10,16)的自由端相对于固定触点(12)以一定角度放置,可实现平滑和低弹跳触点闭合,同时提供 预接触和主要接触。
    • 6. 发明授权
    • Electromagnetic relay
    • 电磁继电器
    • US4743877A
    • 1988-05-10
    • US867949
    • 1986-05-29
    • Johannes OberndorferKenji Ono
    • Johannes OberndorferKenji Ono
    • H01H50/18H01H50/58H01H67/02
    • H01H50/58H01H50/18
    • In an electromagnetic relay including a pivotable armature (11) and contact springs (17) extending substantially in parallel thereto, the actuator (21) for transmitting the armature (11) movement to the contact springs (17) is coupled to the armature (11) with play. Thereby relative displacements between the actuator (21) and the contact spring (17) and the resultant frictional forces are prevented. When the relay is a bistable relay, the coupling between armature (11) and actuator (21) with play furthermore means that in the central position of the armature (11) no spring forces and no frictional forces caused by the actuator (21) are applied thereto but only the magnetic actuating forces will act on the armature (11). Thereby the risk of the armature (11) inadvertently remaining in its neutral central position is practically eliminated.
    • 在包括可枢转电枢(11)和基本上平行延伸的接触弹簧(17)的电磁继电器中,用于将电枢(11)运动传递到接触弹簧(17)的致动器(21)联接到电枢 )与玩。 从而防止致动器(21)和接触弹簧(17)之间的相对位移和合成的摩擦力。 当继电器是双稳态继电器时,电枢(11)和执行器(21)之间的联接起着进一步的作用,这意味着在电枢(11)的中心位置,弹簧力不由致动器(21)引起的摩擦力是 施加到其上,但只有磁致动力将作用在电枢(11)上。 因此,电枢(11)无意中保持在其中立中心位置的风险实际上被消除。
    • 7. 发明授权
    • Safety electromagnetic relay
    • 安全电磁继电器
    • US4625191A
    • 1986-11-25
    • US754306
    • 1985-07-12
    • Johannes OberndorferKenji OnoYoshiyuki Iwami
    • Johannes OberndorferKenji OnoYoshiyuki Iwami
    • H01H51/22H01H3/00H01H50/54H01H50/64H01H67/02
    • H01H3/001H01H50/548H01H2050/028H01H51/2227
    • A safety electromagnetic relay includes two pairs of contact sets, each pair including a load-driving contact set and a control contact set, and each contact set including a fixed contact and a movable contact spring. The two load-driving contact sets are normally-open contacts and may be connected in series and included in an external load circuit which requires safe interruption. The contact springs of each of the first and second pairs are ganged by a coupling member which is movable independently of a relay armature. The ganged pairs of contact springs are actuated by the armature in such a manner that when one of the load-driving contact sets should become welded in the closed condition, the other load-driving contact set will still open when the armature moves to the inoperative position, but the control contact set associated with the welded load-driving contact set is prevented from returning to its condition corresponding to the inoperative position of the armature. The status of the control contact set may be utilized to signalize failure of the relay. Specifically, the control contact set may be a normally-closed contact which, when the associates load-driving contact set has welded, is retained in its open condition, thereby preventing recharging of a capacitor that may be required for re-energization of the relay coil.
    • 安全电磁继电器包括两对触点组,每对触点组包括负载驱动触点组和控制触点组,每个触头组包括固定触点和可动触点弹簧。 两个负载驱动触点组是常开触点,可以串联连接,并包含在需要安全中断的外部负载电路中。 第一和第二对中的每一个的接触弹簧由能够独立于继电器衔铁移动的联接构件组成。 联动弹簧对由电枢致动,使得当负载驱动触点组中的一个应当在闭合状态下被焊接时,当电枢移动到不操作时,另一个负载驱动触点组将仍然打开 而与焊接的负载驱动触点组相关联的控制触点组被阻止返回到对应于电枢的不工作位置的状态。 可以利用控制触点组的状态来指示继电器的故障。 具体来说,控制触点组可以是常闭触点,当联结器负载驱动触点组被焊接时,它被保持在其打开状态,从而防止再继电器可能需要的电容器再充电 线圈