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    • 7. 发明授权
    • ELEKTRISCHER SCHALTER
    • EP1105895B1
    • 2002-04-10
    • EP99952353.3
    • 1999-08-12
    • Marquardt GmbH
    • SCHÄFFELER, AloisRIESS, Axel
    • H01H7/02H02P3/06
    • H02P3/08H01H7/02
    • The invention relates to a switch (4) for electric tools with electrical braking systems, comprising an electric motor with at least one field winding (3) and one armature (2). The switch (4) has switching contacts (S1,S2) that switch between an engine mode and a braking mode of the electric motor (1). In engine mode, the field winding (3), the two switching contacts (S1,S2) and the armature (2) form an electric motor circuit that is series connected to the supply voltage (5,5',5''). In braking mode, the field winding (3), the two switching contacts (S1,S2) and the armature (2) form a closed braking circuit. At least one means of retardation can interact with the two switching contacts (S1,S2) so that the switching movement of said contacts (S1,S2) is retarded when switching from a motor mode to a braking mode and/or from a braking mode to a motor mode. The means of retardation and/or the interaction for the switching contacts (S1,S2) is designed in such a way that the delay times of the switching movement for both contacts can vary with respect to each contact (S1,S2).
    • 用于具有电制动系统的电动工具的开关(4)技术领域本发明涉及一种用于具有电制动系统的电动工具的开关(4),其包括具有至少一个励磁绕组(3)和一个电枢 开关(4)具有在电动机(1)的发动机模式和制动模式之间切换的开关触点(S1,S2)。 在发动机模式中,励磁绕组(3),两个开关触点(S1,S2)和电枢(2)形成串联连接到电源电压(5,5',5“)的电动机电路。 在制动模式下,励磁绕组(3),两个开关触点(S1,S2)和电枢(2)形成一个闭合的制动电路。 至少一个减速装置可以与两个开关触点(S1,S2)相互作用,从而当从电动机模式切换到制动模式和/或从制动模式切换时,所述触点(S1,S2)的切换运动被延迟 到电机模式。 用于开关触点(S1,S2)的延迟和/或相互作用的装置以这样的方式设计,即两个触点的开关动作的延迟时间可以相对于每个触点(S1,S2)变化。
    • 8. 发明公开
    • ELEKTRISCHER SCHALTER
    • EP1105895A1
    • 2001-06-13
    • EP99952353.3
    • 1999-08-12
    • Marquardt GmbH
    • SCHÄFFELER, AloisRIESS, Axel
    • H01H7/02H02P3/06
    • H02P3/08H01H7/02
    • The invention relates to a switch (4) for electric tools with electrical braking systems, comprising an electric motor with at least one field winding (3) and one armature (2). The switch (4) has switching contacts (S1,S2) that switch between an engine mode and a braking mode of the electric motor (1). In engine mode, the field winding (3), the two switching contacts (S1,S2) and the armature (2) form an electric motor circuit that is series connected to the supply voltage (5,5',5''). In braking mode, the field winding (3), the two switching contacts (S1,S2) and the armature (2) form a closed braking circuit. At least one means of retardation can interact with the two switching contacts (S1,S2) so that the switching movement of said contacts (S1,S2) is retarded when switching from a motor mode to a braking mode and/or from a braking mode to a motor mode. The means of retardation and/or the interaction for the switching contacts (S1,S2) is designed in such a way that the delay times of the switching movement for both contacts can vary with respect to each contact (S1,S2).
    • 9. 发明申请
    • ELECTRIC SWITCH
    • 电器开关
    • WO00011691A1
    • 2000-03-02
    • PCT/DE1999/002498
    • 1999-08-12
    • H01H7/02H02P3/08H02P3/06
    • H02P3/08H01H7/02
    • The invention relates to a switch (4) for electric tools with electrical braking systems, comprising an electric motor with at least one field winding (3) and one armature (2). The switch (4) has switching contacts (S1,S2) that switch between an engine mode and a braking mode of the electric motor (1). In engine mode, the field winding (3), the two switching contacts (S1,S2) and the armature (2) form an electric motor circuit that is series connected to the supply voltage (5,5',5''). In braking mode, the field winding (3), the two switching contacts (S1,S2) and the armature (2) form a closed braking circuit. At least one means of retardation can interact with the two switching contacts (S1,S2) so that the switching movement of said contacts (S1,S2) is retarded when switching from a motor mode to a braking mode and/or from a braking mode to a motor mode. The means of retardation and/or the interaction for the switching contacts (S1,S2) is designed in such a way that the delay times of the switching movement for both contacts can vary with respect to each contact (S1,S2).
    • 本发明涉及一种用于电可制动电动手工工具的一个开关(4)与至少一个磁场绕组(3)和(2)具有电动机的电枢(1)。 该开关(4)具有开关触点(S1,S2),一个马达和电动马达(1)的制动操作之间的切换。 在电机操作中从所述励磁绕组(3),所述两个开关触点(S1,S2)和所述衔铁(2)串联到电源电压(5,5“ 5' ”)形成相对的电机电路,而在制动操作从 (3),所述两个开关触点(S1,S2)和现有的闭合制动电路的电枢(2)上形成磁场绕组。 与两个开关触点(S1,S2)是wenigstes一个延迟装置带入操作性连接,使得来自电动机的两个开关触点(S1,S2)的切换移动到制动操作和/或从制动电动机操作被延迟。 延迟装置和/或用于所述开关触点(S1,S2)的有源连接被配置,使得对于所述两个开关触点(S1,S2)的开关动作的延迟时间是不同的。