Patent ID: 8575784

Claim:
A low voltage and intense current phase-controlled switching on equipment, comprising: a frame, at least a vacuum arc extinguish chamber, at least a permanent magnet control device and at least an intelligent phase choosing controlled module, with the vacuum arc extinguish chamber and the permanent magnet controlled device mounted on the frame, wherein the vacuum arc extinguish chamber comprises at least a movable contact and an isolated pull rod connected to the movable contact, and the permanent magnet controlled device comprises electromagnetic coils, a movable iron core driven by the electromagnetic coils and an output shaft connected to and driven by the movable iron core, and a transmission system is arranged to connect to the isolated pull rod and the output shaft thereby controlling movement of the movable contact, with the intelligent phase choosing controlled module electrically connected to the electromagnetic coils of the permanent magnet controlled device; wherein the intelligent phase choosing controlled module comprises: switching on switches, reservoir capacitances, position switches and a controlling unit, and the switching on switches, the reservoir capacitances and the position switches are electrically connected to the controlling unit respectively, wherein the reservoir capacitances are in parallel connected with the electromagnetic coils of the permanent magnet controlled device, and the controlling unit has the switching on mode locking switches set therein, with the switching on mode locking switches equipped with power input ports and voltage phase synchronized-sigal input ports, the switching on switches and the switching on mode locking switches both are two-position switch.