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Connection unit and method for establishing an associative connection between an electric vehicle and a charging station

A technology for electric vehicles and connection units, applied in electric vehicle charging technology, communication between multiple stations, charging stations, etc., to achieve the effect of easy inspection

Active Publication Date: 2017-02-22
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is therefore the risk that a transmitter in the radio area of ​​the charging station acts maliciously (vorgibt), pretends to be the partner station of the associated connection to be established, and for this purpose exceeds the charging station's with its own transmit power The transmit power of the antenna set by itself

Method used

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  • Connection unit and method for establishing an associative connection between an electric vehicle and a charging station
  • Connection unit and method for establishing an associative connection between an electric vehicle and a charging station

Examples

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Embodiment Construction

[0025] figure 1 An electric vehicle EV is shown, which, in addition to other functional components (not shown), has a vehicle-side induction coil C1 and a vehicle-side connection module AU1 , which For example, they are respectively arranged at the lower side of the electric vehicle EV. In the ensuing discussion it is assumed that the electric vehicle EV approaches the inductive charging station EVSE in order to carry out inductive charging of the battery (not shown) of the electric vehicle EV after the electric vehicle EV has stopped or while driving slowly.

[0026] In addition to other functional components (not shown), the inductive charging station EVSE has a charging station-side connection module AU2 and a charging station-side induction coil C2 . The two last-mentioned functional assemblies AU2 , C2 are situated at a height above or below approximately road level SFC.

[0027] After arriving at the charging location, the association of the electric vehicle EV and the...

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PUM

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Abstract

According to the invention, a pair of transmitters (TR1, TR2) having omnidirectional and directional transmission characteristics is provided when an associative connection is established between an electric vehicle (EV) and a charging station (EVSE). Once the associative connection has been established in such a way that a directional radio link is formed, the associative connection is tested with the help of an omnidirectional transmitter (TR2). This measure makes it possible to prevent an unwanted associative connection to a compromising transmitter.

Description

technical field [0001] The invention relates to a device and a method for establishing an association connection between an electric vehicle and an inductive charging station. Background technique [0002] For charging electric vehicles at charging stations, inductive charging systems are known. In this case, the coil system is located not only at the underside of the electric vehicle, but also in the ground-side charging station. Energy is transferred inductively from the charging station to the electric vehicle via an alternating magnetic field passing through the coil system. [0003] The inductive charging process can be carried out after the electric vehicle has been positioned on the charging station without the driver of the vehicle getting out of the vehicle or being connected with a charging cable for this. In order to exchange location information, identification information and billing information, a communication link is established between the charging station...

Claims

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Application Information

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IPC IPC(8): B60L11/18G01S5/02H04B7/24
CPCB60L53/12B60L53/60B60L53/36B60L53/30B60L53/38B60L53/65H04B7/24Y02T90/14Y04S30/14H02J2310/48H02J50/90B60L53/126Y02T90/16Y02T10/70Y02T10/7072Y02T90/12Y02T90/167H04B5/79
Inventor J.霍伊尔A.施密特张晞
Owner SIEMENS AG