A hollow inductor coil consists of two parts, namely a hollow coil. Hollow, as the name suggests, the center is nothing. A coil is a series of wires that are insulated from each other. When current flows through a wire, a magnetic field is generated around the coil, and the strength of the magnetic field is proportional to the strength of the current flowing through the coil and the number of turns in the coil. Similarly, in a certain magnetic field, coils are used to cut off the magnetic field lines, and the same magnetic field can be converted into electrical energy. Using this magneto electric conversion principle, relays, motors, wireless devices, speakers, and other devices can be made. The wire material can be metal devices such as copper, iron, aluminum, gold, etc. The center of the coil can be inserted into a metal magnetic device to enhance the magnetic field generated when conducting current. When the center of the coil has only a plastic skeleton or no skeleton to form a hollow coil, the hollow inductor coil is widely used. In order to meet various needs, people design it into circular, square, elliptical, and various irregular shapes.
Hollow core inductor coils are mainly used in various toys, car equipment, POS machines, computer hard drives, high-end headphones, IC binding machines, high-speed textile machines, medical equipment, military communication, coffee heating machines, RFID identifiers, cameras, cameras, switches, motors, motors, solar energy, wireless chargers, new energy vehicle products, etc.
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