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    Time lag relay with a short recovery time
    1.
    发明授权
    Time lag relay with a short recovery time 失效
    时间恢复时间的时间轴继电器

    公开(公告)号：US3838319A

    公开(公告)日：1974-09-24

    申请号：US41487973

    申请日：1973-11-12

    Applicant: ASEA AB

    Inventor： HAMMARLUND G ,  JOHANSSON A

    IPC: H03K17/292 ,  H01H47/18

    CPC classification number: H03K17/292

    Abstract: An arrangement for achieving a short recovery time in a time lag relay, composed of static components in which the delay is determined by the charging time of a capacitor, includes two programmable unijunction transistors with the anode-cathode path in parallel with the capacitor and the control electrodes connected each to one voltage divider between the poles of the feeding voltage source. The voltage dividers are so designed and the control electrodes so connected to their voltage dividers that, during the charging of the capacitor, the voltage on the control electrode of the first transistor is higher than the voltage on the control electrode of the second transistor. If the charging process is interrupted before the relay has operated, the voltage on the control electrode of the first transistor falls more quickly than the voltage on the control electrode of the second transistor.

    Abstract translation: 在由延迟由电容器的充电时间确定的静态分量组成的时滞继电器中实现短恢复时间的装置包括两个可编程单结晶体管，阳极 - 阴极通路与电容器并联， 控制电极分别连接到馈电电压源极之间的一个分压器。 分压器如此设计，并且控制电极连接到它们的分压器，在电容器充电期间，第一晶体管的控制电极上的电压高于第二晶体管的控制电极上的电压。 如果在继电器操作之前充电过程中断，则第一晶体管的控制电极上的电压比第二晶体管的控制电极上的电压下降得更快。

    4.
    发明专利
    未知

    公开(公告)号：SE453618B

    公开(公告)日：1988-02-15

    申请号：SE8503820

    申请日：1985-08-15

    Applicant: ASEA AB

    Inventor： ERIKSSON R ,  HAMMARLUND G ,  SUNDQVIST L-E

    IPC: G08B5/26

    Abstract: The present invention relates to a device for mechanically resetting, by means of a simple manipulation, of an optional number of indicators (3) of the type consisting of an electromagnet (8,8a,9) and an indicating disc (10), said electromagnet comprising a core (8) with a magnetizing winding (9) and pole legs (8a), and said indicating disc (10) comprising a permanent magnet and being rotatable through 180 DEG . The device comprises a rail (1) made of a non-magnetic material and is formed so as to enable a desired number of indicators to be mounted side-by-side. According to the invention the rail (1) is formed with such a profile as to enable a shuttle (2) with a corresponding profile to engage with, be guided by, and slide on the rail (1) in its longitudinal direction. The shuttle (2) is provided with a permanent magnet (11) and pole pieces (12,13) of soft-magnetic material, which are being arrange such as to form a magnetic circuit with the core (8) and the pole legs (8a) of the electromagnet of any indicator when the shuttle take a position above/aside the indicator in question. The rotatable indicating disc (10) ofthe indicator in question is then magnetically influenced to reset to indicate the reset position.

    5.
    发明专利
    未知

    公开(公告)号：SE8503820D0

    公开(公告)日：1985-08-15

    申请号：SE8503820

    申请日：1985-08-15

    Applicant: ASEA AB

    Inventor： ERIKSSON R ,  HAMMARLUND G ,  SUNDQVIST L-E

    IPC: G08B5/26

    Abstract: The present invention relates to a device for mechanically resetting, by means of a simple manipulation, of an optional number of indicators (3) of the type consisting of an electromagnet (8,8a,9) and an indicating disc (10), said electromagnet comprising a core (8) with a magnetizing winding (9) and pole legs (8a), and said indicating disc (10) comprising a permanent magnet and being rotatable through 180 DEG . The device comprises a rail (1) made of a non-magnetic material and is formed so as to enable a desired number of indicators to be mounted side-by-side. According to the invention the rail (1) is formed with such a profile as to enable a shuttle (2) with a corresponding profile to engage with, be guided by, and slide on the rail (1) in its longitudinal direction. The shuttle (2) is provided with a permanent magnet (11) and pole pieces (12,13) of soft-magnetic material, which are being arrange such as to form a magnetic circuit with the core (8) and the pole legs (8a) of the electromagnet of any indicator when the shuttle take a position above/aside the indicator in question. The rotatable indicating disc (10) ofthe indicator in question is then magnetically influenced to reset to indicate the reset position.

    7.
    发明专利
    未知

    公开(公告)号：SE8503820L

    公开(公告)日：1987-02-16

    申请号：SE8503820

    申请日：1985-08-15

    Applicant: ASEA AB

    Inventor： ERIKSSON R ,  HAMMARLUND G ,  SUNDQVIST L-E

    IPC: G08B5/26

    Abstract: The present invention relates to a device for mechanically resetting, by means of a simple manipulation, of an optional number of indicators (3) of the type consisting of an electromagnet (8,8a,9) and an indicating disc (10), said electromagnet comprising a core (8) with a magnetizing winding (9) and pole legs (8a), and said indicating disc (10) comprising a permanent magnet and being rotatable through 180 DEG . The device comprises a rail (1) made of a non-magnetic material and is formed so as to enable a desired number of indicators to be mounted side-by-side. According to the invention the rail (1) is formed with such a profile as to enable a shuttle (2) with a corresponding profile to engage with, be guided by, and slide on the rail (1) in its longitudinal direction. The shuttle (2) is provided with a permanent magnet (11) and pole pieces (12,13) of soft-magnetic material, which are being arrange such as to form a magnetic circuit with the core (8) and the pole legs (8a) of the electromagnet of any indicator when the shuttle take a position above/aside the indicator in question. The rotatable indicating disc (10) ofthe indicator in question is then magnetically influenced to reset to indicate the reset position.

    9.
    发明专利
    未知

    公开(公告)号：SE376108B

    公开(公告)日：1975-05-05

    申请号：SE1457272

    申请日：1972-11-10

    Applicant: ASEA AB

    Inventor： HAMMARLUND G ,  JOHANSSON A

    IPC: H03K17/292 ,  H01H43/00

    Abstract: An arrangement for achieving a short recovery time in a time lag relay, composed of static components in which the delay is determined by the charging time of a capacitor, includes two programmable unijunction transistors with the anode-cathode path in parallel with the capacitor and the control electrodes connected each to one voltage divider between the poles of the feeding voltage source. The voltage dividers are so designed and the control electrodes so connected to their voltage dividers that, during the charging of the capacitor, the voltage on the control electrode of the first transistor is higher than the voltage on the control electrode of the second transistor. If the charging process is interrupted before the relay has operated, the voltage on the control electrode of the first transistor falls more quickly than the voltage on the control electrode of the second transistor.

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