Coil self-decoupling dual-phase receiving device applied to wireless power supply of mobile transportation equipment
A receiving device, wireless power supply technology, applied in circuit devices, transformer/inductor coil/winding/connection, transformer/inductor components, etc., can solve the problem of low safety and reliability of power supply, high maintenance cost and low power supply efficiency and other problems, to achieve the effect of small fluctuation range of transmission power, light and thin structure, and small space occupation
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specific Embodiment approach 1
[0039] Specific implementation mode one, reference Figure 1 to Figure 8 , Picture 12 with Figure 13 Detailed description of this embodiment, the coil self-decoupling two-phase receiving device applied to mobile transportation equipment wireless power supply described in this embodiment, the coil self-decoupling two-phase receiving device cooperates with the bipolar power supply track to realize wireless power transmission; Including a plate core 4 and 2n receiving coils, n is greater than or equal to 1;
[0040] The 2n receiving coils are arranged in parallel along the actual direction of movement. The front end of the latter receiving coil is pressed against the rear end of the previous receiving coil, and the overlapping area is equal in width. The 2n receiving coils are placed on the flat core 4 The upper surface; and the flat magnetic core 4 covers at least the area enclosed by the inner edges of the 2n receiving coils;
[0041] Counting from one side, the first receiving c...
specific Embodiment approach 2
[0050] Detailed description of the second embodiment. This embodiment is a further description of the coil self-decoupling two-phase receiving device for wireless power supply of mobile transportation equipment described in the first embodiment. In this embodiment, the center distance of two adjacent receiving coils is D is 1 / 2 of the center distance of two adjacent magnetic poles in the bipolar power supply track in cooperation with the coil self-decoupling two-phase receiving device.
specific Embodiment approach 3
[0051] DETAILED DESCRIPTION III. This embodiment is a further description of the coil self-decoupling two-phase receiving device for wireless power supply of mobile transportation equipment described in Embodiment 1. In this embodiment, the size of the plate magnetic core completely covers the receiving coil Free space in the middle.
[0052] On the one hand, the magnetic core affects the self-inductance of the receiving coil, and on the other hand, it also affects the degree of coupling between the receiving coil and the transmitting coil. The size of the magnetic core in the receiving device must completely cover the vacant position in the middle of the receiving coil to ensure that the receiving coil has enough At the same time, the coupling coefficient between the receiving coil and the transmitting coil is relatively large.
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