Sensor arrangement and rolling bearing having such a sensor arrangement

The invention relates to a sensor arrangement on a rotary bearing which has a stationary bearing part and a rotatable bearing part. A primary coil is arranged on the stationary bearing part and is connected to a supply unit in a wired manner. A sensor circuit and a secondary coil supplying said circ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Munch, Dagmar, Herbrich, Matthias, Kempe, Fabian
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRIC ELEMENTS BEARINGS BLASTING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INDUCTANCES LIGHTING MAGNETS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SHAFTS SYSTEMS FOR STORING ELECTRIC ENERGY TARIFF METERING APPARATUS TESTING THERMAL INSULATION IN GENERAL TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a sensor arrangement on a rotary bearing which has a stationary bearing part and a rotatable bearing part. A primary coil is arranged on the stationary bearing part and is connected to a supply unit in a wired manner. A sensor circuit and a secondary coil supplying said circuit with electrical energy are fitted to the rotatable bearing part. According to the invention, the primary coil and the secondary coil are part of an energy transmission unit which is constructed according to the Qi standard. At least the operating energy for the sensor circuit, preferably also the data for communication between the sensor circuit and the supply unit, are transmitted via the inductive coupling between the primary coil and the secondary coil.