Winding machine manufacturers in the production process of the automatic transformer bobbin coil winding machine winding way

Single-layer coils are also used more often, with relatively small inductance of a few or tens of microhenries. The Q value of such coils is generally high, and they are mostly used in high frequency circuits. The high Q value is the Z best choice for high frequency circuits. In the design of single-layer inductor coils, it is usually wound in three ways: dense winding method, inter-winding method and stripped winding method.

The inductance of single-layer coils is less, and when the demanded inductance is greater than 300 microhenries, multilayer coils should be used. In addition to the distributed capacitance between turns and turns, multilayer coils also have distributed capacitance between layers and layers, so multilayer coils have the disadvantage of large distributed capacitance. There is a voltage difference between layers, and when high voltage is formed at both ends of the coil, the insulation may be broken. To prevent such a situation, segmented winding can be used.

Multi-layer winding method can be divided into multi-layer dense winding method and beehive winding method: winding beehive inductor coil if the winding coil, the plane is not parallel to the rotating surface, but intersected at a certain angle, this coil is called beehive coil. Its winding week, the number of times the wire is bent back and forth, often called the number of folding points. Beehive winding method has the advantage of small size, small distributed capacitance, and large inductance.

General high-frequency choke, due to the requirement of a large inductance and small volume, and the inductance of the accuracy, Q value and stability requirements are not high, most of them use multi-layer dense winding.

For inductor coils used in resonant circuits operating at high voltage and power, when winding the inductor coils, it is necessary to consider the limits that the coils can withstand, and also consider the heat generation and heat dissipation in order to use the appropriate wire winding.

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