摘要:
The invention relates to a double-contact switch with a first and a second tubular vacuum switching chamber (1, 3); a stationary electrode (4) which is arranged between the first and second vacuum switching chamber and which comprises a first stationary contact (41) that protrudes into the first vacuum switching chamber (1) and a second stationary contact (42) that protrudes into the second vacuum switching chamber (3); a first electrode (11) which is arranged in the first vacuum switching chamber (1), can be moved in said chamber in the axial direction, and comprises a region that supports a contact (12) and is sealed off from the exterior of the first vacuum switching chamber (1) in a gas-tight manner; a second electrode (31) which is arranged in the second vacuum switching chamber (3), can be moved in said chamber in the axial direction, and comprises a region that supports a contact (32) and is sealed off from the exterior of the second vacuum switching chamber (3) in a gas-tight manner; a first contact compression spring (51) for applying a first spring force to the first movable electrode (11) such that the contact (12) of the first electrode (11) is pressed onto the stationary contact (41) protruding into the first vacuum switching chamber (1); and a second contact compression spring (52) for applying a second spring force to the second movable electrode (31) such that the contact (32) of the second electrode (31) is pressed onto the stationary contact (42) protruding into the second vacuum switching chamber (3), the first spring force being measured so as to be smaller than the second spring force.
摘要:
The invention relates to a switch for, in particular, direct current operation, comprising at least one circuit breaker chamber (41b), each circuit breaker chamber comprising two contact pieces (20a, 20b) having respectively a first contact area (21), an electrically conductive bridge circuit (30) which can be moved by means of a contact bridge (35) and which has two contact regions (31) for establishing an electrically conductive connection between the first (21) and second contact regions (31) and for separating at least one of the two contact regions from the respective first contact region, in addition to at least two magnets (51a, 51b) for generating a magnetic field.
摘要:
The invention relates to a switching device (1) suitable for direct-current operation, comprising a housing (6), at least one contact pair (12, 17) having a first contact (10, 15) and a second contact (11, 16), wherein at least one of the two contacts (15, 16) can be moved and the two contacts (10, 15; 11, 16) are in contact with each other in a switched-on state of the switching device (1) and are not in contact with each other in a switched-off state of the switching device (1), an arc driver assembly (24), which produces a magnetic field at least in the area of the contact pair (12, 17), and a first arc conducting assembly (22), by means of which an arc occurring between the contacts (10, 15; 11, 16) and having a first current direction is conducted to a first quenching apparatus (32) for quenching the arc, wherein a second arc conducting assembly (23) is provided, by means of which an arc occurring between the contacts (10, 15; 11, 16) and having a second current direction opposite the first current direction is conducted to a second quenching apparatus (37) for quenching the arc, wherein the two arc conducting assemblies (22, 23) each comprise at least two conducting plates, of which at least one first conducting plate (8) is immovably accommodated in the housing (6) and a second conducting plate (29, 34) is connected at least partially rigidly to a bridge assembly (18, 19) and is movably arranged in the housing (6).
摘要:
The invention relates to a switching device 1 suitable for direct current operation comprising a gas-tight encapsulated, electrically insulated housing 3, which is filled with an insulating gas, at least one contact pair 13, 14 which is arranged in the housing 3 and which has a first contact 13 and a second contact 14, wherein at least one of the two contacts 13, 14 is movable and the two contacts 13, 14 are in contact with each other in an activated state of the switching device 1 and are out of contact to each other in a deactivated state of the switching device 1, and further comprising an arc driver assembly 15, 16, which generates a magnetic field at least in the region of the contact pair 13, 14, wherein there is an extinguishing device 17, 18 for extinguishing the arc, in that the arc is driven by the arc driver assembly 15, 16.
摘要:
The invention relates to a switching device (1) which is suitable for DC operation, comprising at least a pair (7, 8) of contacts having a first contact (9) and a second contact (11), wherein at least one of the two contacts (11) is mobile and the two contacts (9, 11) are in contact with one another in a switched-on state of the switching device (1) and are not in contact with one another in a switched-off state of the switching device (1), comprising an arc driver arrangement (16, 17) which generates a magnetic field at least in the region of the pair (7, 8) of contacts, and comprising a first arc guiding arrangement (20) by means of which an arc which is produced between the contacts (9, 11) is guided in a first current direction to a quenching device (14) for quenching the arc, wherein a second arc guiding arrangement (21) is provided, by means of which an arc which is produced between the contacts (9, 11) is guided in a second current direction, which is opposite the first current direction, to said quenching device (14) for quenching the arc.
摘要:
Switch for multi-pole operation, more particularly direct-current operation, having a switching chamber, wherein a switching compartment (1, 2) is provided for each pole. The switching chamber has a moving switching bridge (35) running through both switching compartments (1, 2), wherein the switching bridge (35) has a bridge contact (30) for each switching compartment (1, 2).