BEARING EQUIPPED WITH WIRELESS SENSOR

To enable a receiving-side device of detection information to detect an abnormality of the detection information more quickly. For the purpose, a physical quantity regarding a bearing body (5) is detected by a detection sensor (14) provided in the bearing body (5), and detection information of the d...

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Bibliographische Detailangaben
Hauptverfasser:	SASAO, Kunihiko, OKUTANI, Nobuko
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LIGHTING MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SELECTING SHAFTS SIGNALLING TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS WEAPONS
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Beschreibung
Zusammenfassung:	To enable a receiving-side device of detection information to detect an abnormality of the detection information more quickly. For the purpose, a physical quantity regarding a bearing body (5) is detected by a detection sensor (14) provided in the bearing body (5), and detection information of the detection sensor (14) is transmitted by a wireless transmitting unit (15) provided in the bearing body (5) via wireless communication. At this time, the detection information is transmitted at a first transmission interval when the detection information is smaller than a threshold value and is a normal value, and the detection information is transmitted at a second transmission interval that is shorter than the first transmission interval when the detection information is the threshold value or larger and is an abnormal value. The receiving-side device of the detection information receives the detection information at a shorter period when the detection information is an abnormal value than when the detection information is a normal value, and thus, can grasp the changing situation of the detection information in more detail, and can detect and address an abnormality of the detection information at an earlier stage.