Wireless charging coupling mechanism, wireless electric energy transmission system and method
A technology of wireless power transmission and coupling mechanism, which is applied to battery circuit devices, current collectors, electric vehicles, etc., and can solve the problems of low degree of freedom in wireless charging and high docking accuracy requirements at the receiving end
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Embodiment 1
[0045] In order to solve the problems in the prior art that a single double D-type transmitting coil only generates a magnetic field in a horizontal direction, which requires high docking accuracy at the receiving end and low degree of freedom in wireless charging, this embodiment proposes a wireless charging coupling mechanism that can be applied Wireless charging scenarios for robots, cars, drones, etc., see Figure 2 to Figure 4 , a wireless charging coupling mechanism, comprising an energy transmitting device and an energy receiving device;
[0046] The energy transmitting device includes an energy transmitting coil; the energy receiving device includes an energy receiving coil;
[0047] The energy transmitting coil comprises a first coil group 12 and a second coil group 13; the first coil group 12 and the second coil group 13 respectively comprise two mutually axisymmetric coils; the symmetry axis of the first coil group 12 is the Y axis , the axis of symmetry of the sec...
Embodiment 2
[0057] In order to solve the problem in the prior art that a single double D-type transmitting coil only generates a magnetic field in a horizontal direction, which requires high docking precision at the receiving end and low degree of freedom in wireless charging, this embodiment proposes a wireless power transmission system, including the original Side power transmitting circuit, secondary side power receiving circuit;
[0058] The primary power transmission circuit includes sequentially connected DC power sources ( Figure 5 E in), full bridge inverter circuit ( Figure 5 The switching tube Q in 1 , Q 2 , Q 3 , Q 4 ), the primary side resonant compensation network ( Figure 5 The transmitter compensation coil L in t , the first compensation capacitor C t , the second compensation capacitor C p ), and the energy transmitting coil of the wireless charging coupling mechanism according to any one of the embodiments ( Figure 5 L in p1 and L p2 ); Figure 5 , also in...
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