Method and control unit for charging a vehicle battery

A charging control unit, battery technology, applied in battery circuit devices, electric vehicle charging technology, charging stations, etc.

Inactive Publication Date: 2013-03-13
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There is therefore a risk that charging poles operated by third parties are placed, or existing charging poles are manipulated, which charge the vehicle's battery with a lesser amount of current or charge than is notified to the driver by the charging poles Charge

Method used

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  • Method and control unit for charging a vehicle battery
  • Method and control unit for charging a vehicle battery
  • Method and control unit for charging a vehicle battery

Examples

Experimental program
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Embodiment Construction

[0038] As can be seen from FIG. 1 , the method according to the invention for charging a vehicle via a charging station authorized for this purpose essentially consists of four steps S1 to S4 .

[0039] In a first step S1, a cryptographically protected connection between the charging control unit LSE of the vehicle F and the charging station LS is established after successful provisional verification by the charging control unit LSE of the vehicle F of the digital certificate Z of the charging station LS. The first communication link KV1. In one possible embodiment, the vehicle is initially registered at the charging station LS with the user ID of the vehicle or of the vehicle owner, and first a unilateral authentication of the charging station LS takes place. For this purpose, the vehicle receives from the charging station LS a digital certificate Z of the charging station LS, which is verified on the side of the charging control unit LSE of the vehicle. For example, the veh...

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PUM

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Abstract

The invention provides a method for charging a vehicle battery by means of an authorized charging station. A first cryptographically protected communication link is first of all set up between a charging control unit of the vehicle and the charging station after successful preliminary verification of a digital certificate for the charging station by the charging control unit of the vehicle. A second communication link is then set up between the charging control unit of the vehicle and an authorization server for charging stations.; The charging control unit transmits the preliminarily verified digital certificate for the charging station or an item of checking information extracted therefrom to the authorization server for charging stations via the second communication link which has been set up, which information is used by the authorization server to carry out an authorization check on the respective charging station. Finally, an authorization check result is transmitted from the authorization server to the charging control unit of the vehicle via the second communication link, which charging control unit controls a charging operation for charging the vehicle battery by means of the charging station on the basis of the received authorization check result.; The charging method and the charging control unit allow electric vehicle batteries to be charged by means of charging stations in a largely tamper-proof and reliable manner.

Description

technical field [0001] The invention relates to a method and a control unit for charging an accumulator of an electric vehicle via an authorized charging station. Background technique [0002] An electric vehicle can have one or more batteries, which store an electrical charge by means of which the electric motor is driven. During vehicle operation, the battery of the electric vehicle is drained and must be recharged. For this purpose, the electric vehicle is connected to a charging pole connected to the power supply grid, wherein the charging pole provides the energy required for charging the battery. Charging of the vehicle can take place via cables or by means of induction coils. For example, charging posts can be located on a parking lot for parking the vehicle, or on the side of the road. A driver whose electric vehicle needs to charge a storage battery installed in the vehicle connects his electric vehicle, for example, to an electric charging pole located on the ro...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04L9/32
CPCH04L2209/84Y02T90/168B60L11/1846Y04S30/12B60L11/1816Y02T90/14Y02T90/121Y02T90/163H04L63/18Y04S30/14B60L2270/32Y02T10/7005H04L63/166Y02T90/16H04L9/3215H04L9/3263Y02T10/7088H02J7/0052Y02T90/169H04L9/321Y02T90/128B60L2200/26Y02T10/7072B60L53/14B60L53/12B60L53/65Y02T10/70Y02T90/12Y02T90/167H02J7/00
InventorR.法尔克S.弗里斯
OwnerSIEMENS AG