What is the role of inductive coil in wireless charging?

First, the word wireless coil believes that everyone is not stranger, often used in our daily production: Let's introduce it to everyone by Tuoko Inductive Manufacturer? 1. The inductor coil you understand: The inductor coil is formed on the insulating tube by a wire in a circle, and the wires are insulated from each other, and the insulating tube can be hollow or the core or magnetic core, referred to as an inductor. Tenked L, unit has Henry (H), millh, micro-Chinese (UH), 1H = 10 ^ 3MH = 10 ^ 6uh. Be 2. In wireless charging, the role of inductance coil? 1. Inspirational wire blocking effect: The self-inductive electromotive force in the inductor coil is always resistant to current change in the coil. The inductive coil has an impediment that the AC current is hindered, and the size of the inhibitory is an ohm. It is associated with the relationship between the inductance L and the AC frequency f, and the inductor can be divided into high frequency damping coils and low frequency blocking coils. Be 2, tuning and conversion effect: inductively form an LC tuning circuit in parallel with the capacitor. That is, the inherent oscillation frequency f0 of the circuit is equal to the frequency f of the non-AC signal, the sensing resistance and capacity of the circuit are also equal, so that the electromagnetic energy is inductively, the capacitance is returned to the oscillate, the resonance of the LC circuit. The sensing resistance and resistance of the resonance is inversely, and the total sensor of the circuit is the smallest, the amount of current is the maximum current (refers to the AC signal of F = "F0", the LC resonant circuit has the function of selecting the frequency, which can The AC signal of a frequency f is selected. FQJ, read full text

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