Device for transferring energy by induction comprising a monitoring device

• US 10,232,723 B2
• Filed: 09/21/2015
• Issued: 03/19/2019
• Est. Priority Date: 11/18/2014
• Status: Active Grant

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Schumann, Philipp, Henkel, Achim, Mader, Bernhard
• Primary Examiner(s): Memula, Suresh
• Application Number:
  US15/526,815
• Publication Number:
  US 20170313204A1
• Time in Patent Office: 1,275 Days
• Field of Search: 320108
• CPC Class Codes: B08B 1/12 Brushes
• CPC Class Codes: B08B 5/02 Cleaning by the force of jets, e.g. blowing-out cavities airguns or nozzles per se B05B1/005
• CPC Class Codes: B60L 2270/147 electro magnetic [EMI]
• CPC Class Codes: B60L 53/124 Detection or removal of foreign bodies
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: B60L 53/36 by positioning the vehicle
• CPC Class Codes: B60L 53/37 using optical position determination, e.g. using cameras
• CPC Class Codes: B60L 53/38 specially adapted for charging by inductive energy transfer
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/50 using additional energy repeaters between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/60 responsive to the presence of foreign objects, e.g. detection of living beings
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles

Abstract

The invention relates to a device for the transferring energy by induction, for a vehicle, between at least one emitter coil and at least one receiver coil of the vehicle, said at least one receiver coil being arranged at a distance from said at least one emitter coil, a field concentrator being arranged between the at least one emitter coil and the at least one receiver coil.

Claims

1. A device for inductive energy transfer (10) for a vehicle (17) from at least one emitter coil (11) spaced from the vehicle to at least one receiver coil (12) on the vehicle (17), the at least one receiver coil being spaced apart from the at least one emitter coil (11), characterized in that a field concentrator (13) is disposed between the at least one emitter coil (11) and the at least one receiver coil (12), wherein the field concentrator is mobile and is equipped with at least one sensor that detects a position of the vehicle, and the field concentrator comprises a device for sealing an air gap between the vehicle and the emitter coil.

2. The device as claimed in claim 1, characterized in that the at least one sensor (22) is an optical sensor, an inductive sensor, a radar sensor, an ultrasonic sensor, or a sensor which operates by capacitance.

3. The device as claimed in claim 1, characterized in that the field concentrator (13) is positioned between the at least one emitter coil (11) and the at least one receiver coil (12) in such a way that a variance of a coupling factor between the at least one emitter coil (11) and the at least one receiver coil (12) is as low as possible.

4. The device as claimed in claim 1, characterized in that the field concentrator (13) is equipped with a lifting unit (20).

5. The device as claimed in claim 1, characterized in that the field concentrator (13) is asymmetrical.

6. The device as claimed in claim 1, characterized in that the field concentrator (13) comprises at least one charging coil (23) for charging the at least one field concentrator battery (24).

7. The device as claimed in claim 1, wherein the device for sealing (21) includes a flexible lip.

8. The device as claimed in claim 1, characterized in that the field concentrator (13) comprises a cleaning device (25) including brushes.

9. The device as claimed in claim 1, characterized in that the field concentrator (13) comprises a cleaning device (25) including an air blade.