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Working principle of coil
As one of the important components in electronic equipment, the working principle of coil directly affects the performance and function of the equipment. This article will introduce the working principle of air core coil, inductance coil, wire, motor coil and smart card coil.
Release time:
2024-11-25 00:29
Air-core coil Air-core coil is usually made of insulated wire, without any conductor filling inside the coil. Its working principle is to use the current wound in the coil to generate a magnetic field, so as to realize electromagnetic induction and other functions.
Inductance coil: Inductance coil is a coil made of wire and has a certain inductance value. Its working principle is to use the current in the coil to flow through the magnetic field generated, thereby changing the voltage and current in the circuit to achieve energy storage, filtering and other functions.
Wrapped wire: Wrapped wire is a coil that wraps insulation and is used in electromagnetic induction devices. Its working principle is to generate a magnetic field through the current in the wire, thereby realizing the effects of induced electromagnetic force.
Motor coil: The motor coil is a common component in the motor, which is rotated by the magnetic field generated by the current in different directions. Its working principle is to pass the corresponding current in different states to generate different magnetic fields to drive the motor to run.
Smart card coil: The coil in the smart card is used as a part of the sensor and communication module. Its working principle is to generate a corresponding signal under the induction of an external electromagnetic field to realize data transmission and identification functions.
By understanding the working principles of different types of coils, we can better understand the various functions and performance in electronic devices, and provide strong support for their design and maintenance.
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