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The receiving end of bridge arm cross-wound flat magnetic core applied to wireless power supply of electric vehicles

A flat magnetic core and wireless power supply technology, which is applied in the direction of transformer/inductor coil/winding/connection, transformer/inductor core, electrical components, etc., can solve the problems of poor power supply efficiency and achieve good magnetic field shielding effect, magnetic field The effect of small leakage and reducing the difficulty of winding

Active Publication Date: 2018-06-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to improve the problem of poor power supply efficiency caused by the ferrite core structure of the power supply track in the wireless power supply of electric vehicles, and provides a bridge arm cross-wound flat magnetic core receiving end for wireless power supply of electric vehicles

Method used

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  • The receiving end of bridge arm cross-wound flat magnetic core applied to wireless power supply of electric vehicles
  • The receiving end of bridge arm cross-wound flat magnetic core applied to wireless power supply of electric vehicles
  • The receiving end of bridge arm cross-wound flat magnetic core applied to wireless power supply of electric vehicles

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specific Embodiment approach 1

[0024] Specific implementation mode one: the following combination Figure 1 to Figure 11 Describe this embodiment, the receiving end of the bridge arm cross-wound flat magnetic core applied to the wireless power supply of electric vehicles described in this embodiment, it is adapted to the bipolar wireless transmitting guide rail of the wireless energy transmitting end, and the transmitting guide rail is adjacent to the magnetic pole The direction of the magnetic field is opposite; the receiving end of the flat magnetic core includes n flat magnetic cores 1, bridge arm magnetic cores 2 and receiving coils 3,

[0025] n planar magnetic cores 1 are arranged in parallel, and there is a gap between two adjacent planar magnetic cores 1, bridge arm magnetic cores 2 are sequentially connected between n planar magnetic cores 1, bridge arm magnetic cores 2 are connected across n ends of n planar magnetic cores 1 are wound with receiving coils 3;

[0026] The receiving coil 3 is seque...

specific Embodiment approach 2

[0029] Specific implementation mode two: the following combination Figure 1 to Figure 4 The present embodiment will be described. This embodiment will further describe the first embodiment. The n ends of the bridge arm magnetic cores 2 are respectively connected to the centers of the corresponding planar magnetic cores 1 .

[0030] In this embodiment, the width and height of the bridge arm magnetic core 2 can be adjusted according to engineering needs.

specific Embodiment approach 3

[0031] Specific implementation mode three: the following combination figure 1 Describe this embodiment mode, this embodiment mode will further illustrate Embodiment 1 or 2. The bridge arm magnetic core 2 is composed of n vertical segments and a horizontal segment, and the n vertical segments and a horizontal segment are sequentially connected to each other. n-1 rectangular frames together; or the bridge arm magnetic core 2 is n-1 arc-shaped frames connected together in sequence.

[0032] When the bridge arm magnetic core 2 is a rectangular frame, the receiving coils 3 are wound sequentially across adjacent vertical sections.

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Abstract

A bridge arm cross-winding type flat plate magnetic core receiving end applied to wireless power supply of electric cars is disclosed, belonging to the technical field of wireless electricity energy transmission. The bridge arm cross-winding type flat plate magnetic core receiving end aims to solve the problem of low power supply efficiency caused by the ferrite magnetic core structure of a power supply track in the wireless power supply of electric cars. The bridge arm cross-winding type flat plate magnetic core receiving end is adapted to a bipolar type wireless emitting guide rail in the wireless electricity energy emitting end; the magnetic fields of adjacent magnetic poles of the emitting guide rail are opposite in directions; the receiving end comprises n flat plate magnetic cores, bridge arm magnetic cores and receiving coils; the n flat plate magnetic cores are arranged in parallel; gaps exist between adjacent two flat plate magnetic cores; the bridge magnetic cores crossover the n flat plate magnetic cores in sequence; the bridge magnetic cores crossover the n tail end winding receiving coils of the n flat plate magnetic cores; and the receiving coils are on the n tail ends in the cross-winding manner in sequence. The bridge arm cross-winding type flat plate magnetic core receiving end is used as the electricity energy receiving end in wireless power supply of the electric cars.

Description

technical field [0001] The invention relates to a receiving end of a cross-wound flat magnetic core of a bridge arm applied to wireless power supply of an electric vehicle, and belongs to the technical field of wireless energy transmission. Background technique [0002] At present, there are two major bottlenecks in the development of electric vehicles. One is the battery on the vehicle. From the perspective of recent technology, there are many problems such as volume, weight, price, material, safety, charging speed, and life; and the production of batteries The process is a process of high pollution, resource consumption, and damage to the ecological environment. These characteristics bring difficulties to the industrialization of electric vehicles; the second is the problem of charging infrastructure on the ground. On the one hand, due to the long charging time, a large amount of charging or replacement is required. Electric facilities bring great difficulties to municipal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J50/10H01F27/30H01F27/26
Inventor 朱春波魏国姜金海汪超
Owner HARBIN INST OF TECH
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