Wireless charging coil assembly

A wireless charging coil assembly includes a coil body, and the coil body includes a plurality of conductive coil layers arranged in longitudinal order and dielectric layers arranged between every twoadjacent conductive coil layers; each conductive coil layer includes a plurality of first conductive coil layers and at least one second conductive coil layer, each first conductive coil layer comprises at least one first coil segment, each second conductive coil layer comprises at least one second coil segment, projection of the first coil segment on each first conductive coil layer on the corresponding second conductive coil layer is spliced with the corresponding second coil segment to form a complete coil shape; the first coil segments corresponding to one other of different layers are connected in parallel with one other; the second coil segments corresponding to one other of the different layers are connected in parallel with one other; each of the first coil segments and each of the second coil segments ar