Name of an article:
Sensor magnetic ring
Dimensions (inside diameter,outside diameter, height):
φ11.5xφ9.5x0.8mm
Texture of wood：NdFeB(NdFeB)
Definition:
Sensor magnetic ring, as its name implies: a magnetic ring applied to sensors.The magnetic ring of the sensor is usually made of permanent magnet, whichcan be ferrite or rare earth permanent magnet (NdFeB or SmCo plastic magnet).
Application area:
Sensor magnetic rings are widely used. For example, mechanical (in brushless motor, the position of rotor magnetic pole is monitored by sensor magnetic ring), electronic (in circuit control and computer storage), medical magnetic resonance imaging MRI, automobile permanent magnet sensor (sensor magnetic ring is used to detect parameters such as vehicle speed, inclination, angle, distance, approach and position, as well as navigation, positioning and other applications, For example, vehicle speed measurement, pedal position, gearbox position, motor rotation, assist torque measurement, crankshaft position, inclination measurement, electronic navigation, anti-lock detection, parking positioning, defect detection in airbags and solar panels, seat position memory, and improvement of navigation system heading resolution are all inseparable from the sensor magnetic ring. ) aviation, aerospace, satellite communication and military industries (underwater sonar also contains sensor magnetic rings), industrial and other industries. According to the induction principle of magnetic sensors, they can be classified into Hall effect sensors, magnetoresistive sensors and permanent magnet sensors.
Application principle:
The sensor magnetic ring outputs a certain magnetic field intensity and N/Spole signals at different positions to IC Hall components to achieve thepurpose of identification and monitoring. Sensing magnetic ring is animportant component of permanent magnet sensor, and the quality of sensormagnetic ring directly affects the reliability of sensor.
Functional characteristics：
The sensor magnetic ring is made of an isotropic material. Because there is nospecific orientation, the sensor magnetic ring can be magnetized into 2 poles4 poles, 6 poles, 8 poles, 10 poles, 12 poles or even more in the outer diameterdirection or axial direction.
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