The invention relates to a sensor device (1) for sensing a magnetic field change caused by an object (11) approaching the sensor device (1). According to the invention, in order to design the sensor device (1) to also detect objects (11) which are further away, the sensor device (1) comprises at least one transmitting resonant circuit (2) and at least one pair (12) of two receiving resonant circuits (3), the receiving resonant circuits (3) each having a receiving coil (7), the receiving coil (7a) of the one receiving resonant circuit (3) being disposed in front of and the receiving coil (7b) of the other receiving resonant circuit (3) being disposed behind a transmitting coil (4) of the transmitting resonant circuit (2) with respect to the longitudinal direction (L) of the transmitting resonant circuit, and each receiving coil (7) of the pair (12) in question being disposed at essentially the same distance (A) from the transmitting coil (4), and the receiving resonant circuits (3) of the at least one pair (12) being electrically connected in parallel.
SENSOREINRICHTUNG, SCHIENENFAHRZEUG UND SENSORANORDNUNG
SENSOR DEVICE, RAIL VEHICLE AND SENSOR ASSEMBLY
DISPOSITIF DE DÉTECTION, VÉHICULE FERROVIAIRE ET ENSEMBLE CAPTEUR
28.02.2024
Patent
Elektronische Ressource
Deutsch
Sensoreinrichtung, Schienenfahrzeug und Sensoranordnung
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