Apparatus for monitoring the vacuum of a vacuum switch
AssigneeSiemens Aktiengesellschaft
InventorsReinhard Maier, Wolf-Eckhart Bulst, Thomas Ostertag, Oliver Sczesny
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Abstract
An apparatus for monitoring the vacuum of a vacuum switch having at least one vacuum switch tube with a switch chamber and switch contacts is provided. The apparatus has a remotely interrogatable pressure measurement sensor in the form of a piezocrystal or surface acoustic (SAW) device arranged in the interior of the vacuum switch tube and a remote interrogation device placed external to the vacuum switch for monitoring the vacuum via the sensor.
Claims6
An apparatus for monitoring the vacuum of a vacuum switch having at least one vacuum switch tube with a switch chamber and switch contacts, the apparatus comprising:
- a remotely interrogatable pressure measurement sensor arranged in the interior of the vacuum switch tube, wherein the remotely interrogatable pressure measurement sensor further has a remotely interrogatable surface acoustic wave filter or a surface acoustic wave resonator;
- and
- a remote interrogation means for monitoring the vacuum via the sensor, wherein the remote interrogation means includes apparatus that further has a transmitter, a receiver and an evaluation means.
Dependencies are inferred from the claim text.