ABS Sensor For Audi A4 8D0927803

ABS Sensor For Audi A4 8D0927803

There are three types of automotive ABS sensors, namely linear wheel speed sensor, ring wheel speed sensor and Hall wheel speed sensor: 1. Linear wheel speed sensor: mainly composed of permanent magnet, polar shaft, induction coil and ring gear. When the ring gear rotates, the crest and the...

There are three types of automotive ABS sensors, namely linear wheel speed sensor, ring wheel speed sensor and Hall wheel speed sensor:

1. Linear wheel speed sensor: mainly composed of permanent magnet, polar shaft, induction coil and ring gear. When the ring gear rotates, the crest and the backlash alternately oppose the polar axis. During the rotation of the ring gear, the magnetic flux inside the induction coil alternates to generate an induced electromotive force. This signal is input to the electronic control unit of the ABS through the cable at the end of the induction coil. When the rotational speed of the ring gear changes, the frequency of the induced electromotive force also changes.

2, ring wheel speed sensor: mainly composed of permanent magnets, induction coils and ring gear. The permanent magnet is composed of several pairs of magnetic poles. During the rotation of the ring gear, the magnetic flux inside the induction coil alternates to generate an induced electromotive force. This signal is input to the electronic control unit of the ABS through the cable at the end of the induction coil. When the rotational speed of the ring gear changes, the frequency of the induced electromotive force also changes.

3. Hall-type wheel speed sensor: When the gear rotates, the magnetic flux density passing through the Hall element changes, thus causing a change in the Hall voltage, and the Hall element will output a millivolt (mV) level quasi-sine wave voltage. . This signal also needs to be converted to a standard pulse voltage by an electronic circuit.

SEAT:8D0927803

SKODA:8D0927803

VW:8D0927803

0986594014

SS20004


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