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What are the key points for making a linear motor coil?
The linear motor coil is widely used and is also a popular product in the market due to its various advantageous characteristics.
Release time:
2022-11-14 15:33
The linear motor coil is widely used and is also a popular product in the market due to its various advantageous characteristics. But it also has a lot of knowledge points that need to be understood when it is used, after all, there are still many users who do not understand this. Next, I will introduce you to the production points of linear motor coil? If you are interested, you can come to read.
Linear motor coils are widely used. There are various coil shapes and winding methods used in the production process. Since it is going to be used it is important to know that different winding equipment will be used for different windings. Nowadays, linear motor coils are wound according to the requirements of the wireless charging device circuit, the inductance of the coil and the size of the coil, and then a mold is made. This is mainly due to the need to reduce the size of the transmitting and receiving coils and the number of winding turns. As a result, the inductance of the linear motor coils is relatively small, about a few tens of microhenries. In order to increase the transmission power density, it is important to realize that at this point it is also necessary to use a high-frequency AC signal for power transmission. In this case, 640 kHz is used. When a high-frequency current passes through a conductor, the current tends to flow towards the surface of the conductor due to the “current skin effect”. At around 20°, the depth of the 640 kHz high-frequency alternating current in a copper wire is only 0.0825 mm. Therefore, it is necessary to wind the coil with multiple strands of yarn, mainly to increase the surface area of the conductor and reduce current losses.
Linear motor coils are basically wound from the inside out, so the inner diameter is determined first. Then the number of layers, height and outer diameter of the coil are determined according to the inductance value, resistance and other factors. So now it is suitable for short and medium wave circuits. Its Q value can reach 150-250 with high stability. By energizing a linear motor coil, a magnetic field can actually be formed around it. Make it spiral. The more turns the larger the range, the more current passes per unit time, the stronger the magnetic field. Then according to the skin effect of the current, replace the thick wire with a thin wire to get a stronger one. The wire used for linear motor coils to improve space utilization is usually insulated enameled wire. Today, wiring is very important when using linear motor coils. For a single wire, the number of turns and layers of the coil need to be considered. The coil arrangement of a linear motor depends on whether it is intended to save space or to improve heat dissipation. There are usually several requirements that are irreconcilable. For so many years, the company is committed to the expansion and development of domestic and foreign markets, using online Internet e-commerce platform and offline physical sales of two ways to go hand in hand. Nowadays, they also make their products throughout the country's provinces, municipalities and autonomous regions, products not only sell well in the domestic market.
The above introduction is about “linear motor coil production points”. If you still do not understand the place welcome to call to inquire. Today's knowledge is here, I hope to bring you help. The next issue will bring more information about it.
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