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AssigneeSiemens Aktiengesellschaft
InventorCarsten Protze
Estimating the term…
An electric supply circuit is provided for a switch actuating device containing an actuator, an electromagnetic drive for displacing the actuator from a first switching position to a second switching position, and a mechanical return device for returning the actuator from the second switching position to the first switching position. A magnetic fixing unit is provided for fixing the actuator in the second switching position and an electromagnetic releasing device is provided for releasing the fixation. The electric supply device contains a first capacitor electrically connectable to the electromagnetic drive and used for supplying electric power thereto and a second capacitor that is electrically connectable to the releasing device and supplies electric power thereto for releasing the fixation. An electric switchable connection is provided between the first and second capacitors.
An electrical supply circuit for a switch activating apparatus containing an actuating element, an electromagnetic drive for bringing the actuating element from a first switching position into a second switching position, a mechanical resetting apparatus for bringing the actuating element from the second switching position back into the first switching position, a magnetic fixing unit for fixing the actuating element in the second switching position, and an electromagnetic release apparatus for releasing the fixing, the electric supply circuit comprising:
A switch activating apparatus, comprising:
A method for operating a switch activating apparatus containing an actuating element, an electromagnetic drive providing a switching force bringing the actuating element from a first switching position into a second switching position, a mechanical resetting apparatus providing a resetting force bringing the actuating element from the second switching position into the first switching position, a magnetic fixing unit providing a fixing force fixing the actuating element in the second switching position, an electromagnetic release apparatus providing a release force overcoming the fixing force, and an electrical supply circuit containing a first capacitor electrically connected to the electromagnetic drive for storing electrical energy for the electromagnetic drive, a second capacitor electrically connected to the electromagnetic release apparatus for storing electrical energy required by the electromagnetic release apparatus for releasing the fixing, and a switchable electrical connection connected between said first capacitor and said second capacitor, which comprises the step of:
A method for operating a switch activating apparatus containing an actuating element, an electromagnetic drive having a coil providing a switching force bringing the actuating element from a first switching position into a second switching position, a mechanical resetting apparatus providing a resetting force bringing the actuating element from the second switching position into the first switching position, a magnetic fixing unit providing a fixing force fixing the actuating element in the second switching position, an electromagnetic release apparatus providing a release force overcoming the fixing force, and an electrical supply circuit containing a first capacitor electrically connected to the electromagnetic drive for storing electrical energy for the electromagnetic drive, a second capacitor electrically connected to the electromagnetic release apparatus for storing electrical energy required by the electromagnetic release apparatus for releasing the fixing, and a switchable electrical connection connected between said first capacitor and said second capacitor, the electromagnetic release apparatus having a release coil switchably connected to the second capacitor for producing the magnetic field applying the release force, and a capacitance of the second capacitor and an inductance of the release coil are matched to one another such that the second capacitor together with the release coil forms an electrical resonant circuit, in which current flowing in a first current half-wave is sufficient for producing the magnetic field applying the release force, which comprises the step of:
Dependencies are inferred from the claim text.