Charging configuration for the inductive wireless emission of energy

A charging device and a technology for releasing energy, applied in circuit devices, battery circuit devices, charging stations, etc., can solve the problems of small magnetic flux density, difficult to install vehicles, etc.

Inactive Publication Date: 2015-04-15
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Circumferential design has lower magnetic flux density due to larger

Method used

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  • Charging configuration for the inductive wireless emission of energy
  • Charging configuration for the inductive wireless emission of energy

Examples

Experimental program
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Example Embodiment

[0025] These figures show a charging device 10 for an electric vehicle arranged on the ground side for inductively releasing energy. The energy is received by a coil on the vehicle side, not shown. The charging device 10 on the ground side is installed in the ground 11. figure 1 Shows a view from above the part, and figure 2 A side view of the part is shown.

[0026] The charging device 10 arranged on the ground side includes a first coil 12 and a second coil 13 arranged coplanar. The two coils 12, 13 are equally large and in principle constructed of the same type. The coils 12 and 13 are respectively wound on a plane, that is, they do not have spiral characteristics. The two coils 12, 13 are rectangular coils, that is, the conductor circuits of the coils 12, 13 extend straight to the vicinity of the corners of the corresponding coils 12, 13 and are then bent by 90° with a radius of curvature of about 15 mm.

[0027] In this example, the width 120 of the coils 12, 13 is 231 mm...

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Abstract

A charging configuration for the inductive wireless transfer of energy to a receiver coil of an electrically operated vehicle. The charging configuration includes a first circularly wound electrically conductive coil extending in a plane and having a first central opening in the center of the first coil. A second circularly wound electrically conductive coil also extends in a plane and has a second central opening in its center. A U-shaped ferrite core is fashioned with a flat plate disposed below the coils and with a first and second leg portion connected to the plate. The leg portions are fashioned as rectangular panels. The first leg portion penetrates the first central opening and the second leg portion penetrates the second central opening.

Description

technical field [0001] The invention relates to a charging device for inductively and wirelessly releasing energy to a receiving coil of an electrically driven vehicle. Background technique [0002] Circumferential or toroidally designed coils are used for the wireless charging of electric vehicles. Circumferential designs are here referred to as coils, depending on the type of coil, toroidal designs are referred to as windings. With the same coupling, a design in the form of a helical tube is smaller, but results in a higher magnetic flux density, which can lead to considerable heating of the metal body in the region of the magnetic field. The circular design has a lower magnetic flux density due to the larger area occupied, however it is more difficult to install on the vehicle. Contents of the invention [0003] The object of the present invention is to provide an improved device for the inductive wireless transmission of energy, with which the disadvantages mentioned...

Claims

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Application Information

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IPC IPC(8): H02J17/00H02J7/00H01F27/30H01F27/24
CPCH02J7/025H02J7/007H01F27/28H01F27/24H02J7/0052H02J5/005H01F27/306H01F27/363H01F27/255H01F38/14H02J7/0042B60L53/12H02J50/10H01F27/36Y02T10/70Y02T10/7072Y02T90/14H02J50/70H02J50/80
Inventor 托马斯·科马莫妮卡·波博尔
Owner SIEMENS AG
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