Electro magnetic actuator using a permanent magnet and a spring, and driving apparatus with the same

The present invention relates to a driving apparatus having the actuator, and that using a permanent magnet. Controller of the present invention, the fixed iron core 1100 is made of a magnetic material; In the side coils that are wound around the form to form the penetrating in the vertical direction at the center to form an electromagnetic circuit in the opposite direction, that is fixed is disposed inside the fixed iron core 1100, the stand-by application of separate currents to each other and an open-side coil; The input-side coil and the open side is provided inserted in a movable state in the axial direction inside a through the coil, the movable moving to the first position or the second position by the magnetic field generated by the excitation of the input-side coil or an open-side coil Here the core (1300); Above is installed inside the fixed iron core 1100, the movable core 1300, a first time, break the current to the input-side coil and an open-side coil at the time of moving to the first position movable by its own magnetic force chair core (1300 ), the permanent magnet 1400 for holding the in the first position; And the movable core 1300 and the fixed iron core 1100 is interposed between the movable core 1300 of the time, break the current to the input-side coil and an open-side coil at the time when moved to the second position its elasticity comprises an opening spring (1500) for holding the movable core 1300 is in the second position by the restoring force. Drive device of the present invention, receives the operation of the actuator is adapted to an action, such as to open and close the electric circuit.