How is Hall Effect Sensor Applied in Measuring Car Speed?

 As a Micropower Hall Effect Sensor Manufacturer, let me share with you the application of Hall Effect Sensor in measuring car speed.

Micropower Omnipolar Hall Sensor

Micropower Omnipolar Hall Sensor

Hall-type speed sensor: Hall Effect Sensor is very special in automotive applications. This is mainly due to the conflict in the position of the space around the transmission. Hall-effect sensors are solid-state sensors. They are mainly used in crankshaft angles and camshaft positions. Switch ignition and fuel injection circuit trigger, it is also used in other computer circuits that need to control the position and speed of rotating parts.

Hall effect sensor or switch, consisting of an almost completely closed magnetic circuit containing a permanent magnet and a magnetic pole part. A soft magnet blade rotor passes through the air gap between the magnet and the pole. A window on the blade rotor allows the magnetic field to be unaffected It passes through and reaches the Hall effect sensor, and the part without the window interrupts the magnetic field. Therefore, the role of the blade rotor window is to switch the magnetic field, so that the Hall effect is turned on or off like a switch. The reason why effect sensors and other similar electronic devices are called Hall switches is that this component is actually a switching device, and its key functional component is a Hall effect sensor.

Hall-type speed sensor on the car, a signal disk is embedded in the wheel bearing on the vehicle side to rotate with the wheel, and a Hall-type speed sensor is installed at the signal plate on the outside of the bearing. Some of the calculated tire pressure monitoring results from detecting wheel speed changes during driving.

Some Hall-type wheel speed sensors integrate multiple Hall elements with higher sensitivity, which can monitor the speed and detect the direction of rotation. The crankshaft position sensor also uses this method to detect the position of the crankshaft, so that the crankshaft's reverse rotation has been monitored when the flame is off, and the time is faster when it is restarted (mostly when it is started and stopped). Early, including now, there is also a window glass lift using Hall The sensor detects the position of the glass window by detecting the number of rotations of the motor and the current, and prevents the pinch. Now, due to the advancement of the control module, it can only monitor the current and identify the position to prevent pinch.

Our company also has Micropower Omnipolar Hall Sensor on sale, welcome to consult.

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Omnipolar Hall IC

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  Omnipolar Hall IC The omnipolar Hall-effect sensor  includes the following on a single silicon chip: reverse voltage protector, voltage regulator, temperature compensation circuit, Hall-voltage generator, signal amplifier, Schmitt trigger and open-drain output driver, etc. Produced with CMOS technology, an omnipolar Hall IC is asked for lower supply voltage and less power supply. It is available in two package types: SOT-23-3L (Type M) and TO-92UA (Type UA). More detail of China Hall Sensor , please via: https://www.ahest.net/
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Method Of Detecting Switch Type Hall Sensor

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In the use of hall sensor for maintenance machinery, we will encounter holzer not working, from holzer's shape can not distinguish whether the holzer element is damaged, and how to detect whether the switch type of hall sensor is damaged. Taking Holzer YS282 as an example, the test method of switch type Holzer element is as follows: First, find a resistance R of 1K Omega, which is connected to the figure 1 and 3 feet, and connect the positive pole of the DC power of the 12V to the foot of the  switch type hall sensor YS282, and the anode is connected to the foot. The multimeter is placed in a DC 50V file, the red pen is connected to the foot, and the black pen is connected to the foot, and the pointer changes of the multimeter are observed. When the magnet N is very close to the test point of the hall sensor YS282, the pointer of the multimeter is deflected from the high level to the low level; when the N pole of the magnet is far away from the test point of the Holzer element Y
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How To Use Water Flow Sensor？

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