A wireless charging coupling mechanism and wireless charging device
A coupling mechanism and wireless charging technology, applied in circuit devices, charging stations, electric vehicle charging technology, etc., can solve the problem of inability to reduce the coupling of the transmitting coil, and achieve the effect of reducing the area of uneven magnetic field, reducing mutual inductance, and reducing coupling
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Embodiment 1
[0038] as Figure 1 As shown, in Example 1, a wireless charging coupling mechanism, specifically comprising a transmit coil module 1, a receiving coil module 2 and an isolated ferrite 3; The emission coil module 1 includes a plurality of emission coils 12 and a first ferrite substrate 11, a plurality of emission coils 12, isolation ferrite 3 are disposed on the first ferrite substrate 11, isolating ferrite 3 for separating a plurality of emission coils 12; The receiving coil module 2 is disposed on the isolated ferrite 3. The present invention employs a plurality of emission coils 12, compared to a single coil, can generate more regional magnetic fields, reduce the area of uneven magnetic field, so that the overall magnetic field distribution on the transmitting side is uniform; Further, the isolated ferrite 3 of the present invention separates a plurality of emission coils 12, separating the overlapping of magnetic fields between a plurality of emissions, thereby reducing the coup...
Embodiment 2
[0050] The present embodiment has the same inventive concept as Example 1, on the basis of Example 1, there is provided a wireless charging device, comprising a wireless charging coupling mechanism such as Example 1, on the basis of which further comprises an inverter circuit, a primary side compensation circuit, a secondary side compensation circuit, a rectifier circuit and a filter circuit. Specifically, such as Figure 12 As shown, the inverter circuit, the primary side compensation circuit, the transmit coil module 1, the receiving coil module 2, the secondary side compensation circuit, the rectifier circuit and the filter circuit are connected sequentially.
[0051] More specifically, the DC power supply is connected to the inverter circuit as an input, and the DC power is converted into alternating current through the inverter circuit. The primary side compensation circuit on the transmit side resonates with the series four coils at the transmit end to eliminate reactive powe...
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