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Flexibly configured wireless charging coil device with high compatibility

A wireless charging and coil device technology, applied in circuit devices, transformer/inductor coils/windings/connections, circuits, etc., can solve the problem of inability to flexibly configure and transform, inability to tolerate plane offsets in both directions, and inability to take into account the generation of Problems such as vertical main magnetic flux and parallel main magnetic flux to achieve the effect of flexible configuration and transformation

Inactive Publication Date: 2016-03-30
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the existing design cannot take into account the ability to withstand the offset in two directions of the plane, and cannot take into account the generation of vertical main magnetic flux and parallel main magnetic flux, and cannot be flexibly configured and transformed

Method used

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  • Flexibly configured wireless charging coil device with high compatibility
  • Flexibly configured wireless charging coil device with high compatibility
  • Flexibly configured wireless charging coil device with high compatibility

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] see Figure 5 and Figure 8 , with a single power supply scheme with 4 single-coil designs. Four vertical main magnetic fluxes in different positions can be realized by turning on and off the switches S1-S8. Figure 8 One of the situations is given. At this time, switches S1 and S2 are turned on, switches S3-S8 are turned off, and L1 is connected to the circuit, realizing the vertical main magnetic flux on the lower side as seen from the paper.

Embodiment 2

[0056] Such as Figure 6 , Figure 9 As shown, using a single power supply scheme with two non-overlapping double coil designs, the design of this example needs to add two AC busbars B3, B4 and switches S1'-S8' to the circuit of Example 1. By turning on and off the switches S1-S8, the switches S1'-S8' can realize two parallel main magnetic fluxes in different positions. Figure 9 One of the situations is given. At this time, the switches S1, S2', S5, and S6' are turned on, and the other switches are turned off. The first coil L1 and the third coil L3 are connected in series to the circuit, realizing the up and down direction viewed from the paper. parallel main flux.

Embodiment 3

[0058] Such as Figure 6 , Figure 10 As shown, a single power supply scheme is used with four overlapping double-coil designs. In the circuit of embodiment 2, by turning on and off the switches S1-S8, the switches S1'-S8' can realize composite main magnetic fluxes in four different positions. Figure 10 One of the situations is given. At this time, the switches S1, S2', S3, and S4' are turned on, and the other switches are turned off. The first coil L1 and the first coil L2 are connected to the circuit, and the compound type from the bottom right direction is realized. main flux.

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PUM

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Abstract

The invention provides a flexibly configured wireless charging coil device with high compatibility. The wireless charging coil device comprises four sets of independent coils, a magnetic conductive module and a coil configuration circuit, wherein the four sets of independent coils are arranged in a staggered manner and are matched with the magnetic conductive module; the four sets of independent coils are connected with an external power supply through the coil configuration circuit, and can be combined according to the requirements; particularly, one or two sets of coils are used as powered coils; and the powered coils can be matched with a single-power supply or a multi-power supply through the coil configuration circuit. The wireless charging coil device provided by the invention has the ability of considering deviations in two directions of a tolerance plane, can generate a vertical main flux and a parallel main flux, and can be flexibly configured and transformed through the configuration circuit.

Description

technical field [0001] The invention relates to the field of electromagnetic design and wireless charging technology, in particular to a highly compatible and flexibly configurable wireless charging coil device. Background technique [0002] Due to its characteristics of safety, convenience, and environmental protection, wireless charging technology has been paid more and more attention in people's life. This technology involves many aspects such as power electronic circuit, coil electromagnetic design, communication protocol, etc., among which coil electromagnetic design is particularly important. In recent years, the wireless charging technology of electric vehicles has been greatly promoted, and major research institutions and automobile companies at home and abroad have joined in the research of this technology. [0003] Electric vehicle wireless charging technology is a revolutionary upgrade to the charging method. Electric vehicles using wireless charging technology n...

Claims

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Application Information

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IPC IPC(8): H02J50/10H01F38/14H01F27/28
CPCH01F27/2828H01F38/14H01F2038/143
Inventor 姚辰唐厚君蔡位焜莫汉秋袁国栋赵纬娜
Owner SHANGHAI JIAO TONG UNIV