Charging device for inductively charging an electrical energy store of a motor vehicle and method for operating a charging device

A technology for charging equipment and electric accumulators, applied in electric vehicle charging technology, charging stations, current collectors, etc., can solve problems such as problems in the lifting mechanism, hindering the non-interfering operation of the lifting mechanism, restrictions, etc.

Active Publication Date: 2018-01-26
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In such a charging device with a lifting mechanism, the lifting mechanism can become problematic at temperatures around freezing point or below and especially in humid weather conditions and thus if the lifting mechanism is wet
In particular if movable parts of the lifting mechanism, such as articulated structures, movable support structures, bellows or the like, become frozen, this restricts or even prevents the uninterrupted operation of the lifting mechanism
As a result, the efficiency of the inductive charging of the energy accumulator of the motor vehicle is greatly limited or in some cases even impossible, because the primary The coil is moved into a charging position where the gap between the primary and secondary coils is as small as possible

Method used

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  • Charging device for inductively charging an electrical energy store of a motor vehicle and method for operating a charging device

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Embodiment Construction

[0022] A charging device 10 for inductively charging an electric energy store of a motor vehicle (not shown here) comprises a primary coil 12 which is designed for a secondary coil of a motor vehicle (not shown here) A voltage is induced in the center to charge the associated electric energy storage. In order to achieve a particularly high efficiency during the charging process, it is important that the distance between the primary coil 12 and the secondary coil be as small as possible. The charging device 10 therefore also has a lifting mechanism 14 which is designed to move the primary coil 12 in the height direction z of the charging device 10 , ie in the vertical direction, in the stowed position and extended position shown here. out of the charging position. Thus, the primary coil 12 can be moved closer to the secondary coil of the motor vehicle whose electric energy store is to be inductively charged by means of the lifting mechanism 14 .

[0023] As shown schematicall...

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Abstract

The invention relates to a charging device (10) for inductively charging an electrical energy store of a motor vehicle, comprising a primary coil (12) designed to induce a voltage in a secondary coilof the motor vehicle for charging the electrical energy store, and a lifting mechanism (14) designed to move the primary coil (12) between a storage position and a charging position. The charging device (10) comprises a control device (20) designed to operate the lifting mechanism (14) in a deicing mode in which the lifting mechanism (14) is moved between the storage position and the charging position in accordance with a predetermined movement cycle. The invention further relates to a method for operating a charging device (10).

Description

technical field [0001] The invention relates to a charging device of the type specified in the preamble of claim 1 for the inductive charging of an electrical energy store of a motor vehicle. Furthermore, the invention relates to a method for operating such a charging device. Background technique [0002] DE 10 2010 026 780 A1 discloses a method for measuring temperature during the contactless transmission of energy. During the contactless transfer of energy for charging the battery of a motor vehicle, between a receiver for receiving energy and a transmitter for transmitting energy, the temperature is measured in the area between transmitter and receiver . [0003] WO2010 / 116566A1 discloses an inductive power supply device. In this case, icing monitoring is carried out by means of a movable coil of the inductive power supply system. [0004] DE 10 2011 076 186 A1 discloses a charging device for inductively charging an electric energy store of a motor vehicle. The charg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18H02J50/10H02J50/90H02J7/02H02J7/00
CPCB60L2240/662B60L2240/667Y02T90/16Y02T90/12Y02T90/14B60L53/12B60L53/38B60L53/34H02J50/90H02J50/10H02J7/0042Y02T10/7072Y02T10/72Y02T10/70
Inventor B·埃利亚斯R·佩尔
Owner AUDI AG
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