DEVICE AND METHOD FOR DETERMINING THE WEAR STATE OF A CHAIN

A chain sensor includes a first magnetic circuit, a device for measuring the magnetic flux density in the first magnetic circuit 6, and a coil. The magnetic circuit is substantially formed by a magnetically conductive yoke body. The yoke body has a lateral leg, the end of which is disposable in the proximity of a chain 10. The device for measuring the magnetic flux density is connected to an analysis unit 40. To determine the elongation of the chain 10 during operation, a partially closed magnetic circuit is formed, a voltage is applied to a coil disposed in the magnetic circuit, an alternating magnetic flux density is generated in the magnetic circuit by the movement of the chain through the partially closed magnetic circuit, the alternating magnetic flux density in the magnetic circuit is detected as a plurality of measured values, and a length value of the chain from the measured values is determined. 本发明涉及种链条传感器，其具有第磁路、用于测量所述第磁路(6)中的磁通量密度的装置以及线圈。所述磁路大体上由导磁轭体形成。所述轭体具有横向支腿，所述横向支腿的端部可设置在链条(10)附近。用于测量所述磁通量密度的