INDUCTIVE CHARGING DEVICE FOR AN ELECTRIC VEHICLE

• US 20170101015A1
• Filed: 03/25/2015
• Published: 04/13/2017
• Est. Priority Date: 03/25/2014
• Status: Active Grant

• Current Assignee: Winslim
• Original Assignee: Winslim
• Inventors: GASPARD, Jean-Yves
• Granted Patent: US 10,328,810 B2
• Time in Patent Office: Days
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• 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 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/20 characterised by converters located in the vehicle
• CPC Class Codes: B60L 53/22 Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/51 Photovoltaic means
• CPC Class Codes: H02J 2207/40 adapted for charging from various sources, e.g. AC, DC or multivoltage
• CPC Class Codes: H02J 2310/40 The network being an on-board power network, i.e. within a vehicle
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• 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

A charging device for electric vehicles includes two power sources interacting with a primary inductive device. The charging device also includes an input circuit having a first input connectable to a first power source, a second input and at least one output connectable to a charger, a secondary inductive device capable of being coupled to the primary inductive device for energy transfer between the primary inductive device and the secondary inductive device, thereby generating an induced electric signal at the output of the secondary inductive device, and a converter from the induced electric signal to an electric signal towards the second power supply input of the input circuit, the converter being configured such that the electric signal is similar to the electric signal of the first power source.

Claims

1. A charging device for electric vehicles based on at least two power sources, capable of interacting with a primary inductive energy transfer device, characterised in that:

it comprises an input circuit having a first input connectable to a first power source, at least one second input and at least one output connectable to a charging module;

the first input of the input circuit is configured for an alternating electric signal derived from the first power source being a mains power source;

it comprises a secondary inductive device capable of being coupled to the primary inductive device for energy transfer between the primary inductive device and the secondary inductive device, thereby generating an induced electric signal at the output of the secondary inductive device;

it comprises a converter from the induced electric signal to an electric signal towards the second power supply input of the input circuit, wherein the converter is configured such that the electric signal has the same physical characteristics as the alternating electric signal of the first power source of the input circuit.

2. The charging device according to claim 1, comprising a control module configured to control the input circuit and to control of a wireless data module, wherein said wireless data module is configured to receive and emit synchronisation data between the alternating electric signal derived from the first power source and the electric signal at the output of the converter.

3. The charging device according to claim 1, wherein the input circuit comprises a switch between the first input and the second input, capable of switching between the first and second power supply inputs.

4. The charging device according to claim 1, wherein the converter comprises an inverter.

5. The charging device according to the claim 4, wherein the electric signal at the inverter output has the same physical characteristics as the alternating input electric signal derived from the first power source of the input circuit.

6. The charging device according to claim 1, wherein the first power supply input of the input circuit comprises a wireline connecting element.

7. The charging device according to claim 1, comprising a control module configured to control the input circuit.

8. The charging device according to the claim 7, comprising a wireless data module governed by the control module.

9. The charging device according to the claim 8, wherein the wireless data module is configured to receive and emit synchronisation data between the alternating electric signal derived from the first power source and the electric signal at the output of the converter.

10. A system comprising a device according to claim 1 and a charging module.

11. A system according to the claim 10, wherein the power supply input of the charging module is configured to receive an electric signal possessing the same physical characteristics as the electric signal derived from a mains power source.

12. A system according to claim 10, comprising at least one battery to which the charging output of the charging module is connected.

13. An electric vehicle comprising the system according to claim 10.

14. The electric vehicle according to the claim 13, wherein charging of the battery is performed trough at least one mode among a wireline mode via the first input and a wireless mode via the second input.

15. A charging installation comprising a vehicle according to claim 13, at least one power source and at least one charging terminal having a control module and a primary inductive device.

16. The charging installation according to claim 15, wherein at least one power source is a mains power source.

17. The charging installation according to claim 16, wherein the first power source is connectable to the first input of the input circuit and is connected to the primary inductive device.

18. The charging installation according to claim 16, comprising a wireline link between the first power source and the input circuit.

19. The charging installation according to claim 15, comprising a power source supplying direct electric signals.

20. The charging installation according to claim 19, wherein the power source supplying direct electrical signals comprises photovoltaic panels.

21. The charging installation according to claim 19, wherein the power source supplying direct electric signals interacts with one single converter configured to supply the primary inductive device.

22. The charging installation according to claim 15, wherein an input circuit is capable of interacting with at least two power sources so as to be able to switch from one power source to another in order to supply the primary inductive system.

23. The charging installation according to claim 15, comprising a charging device for electric vehicles based on at least two power sources, capable of interacting with a primary inductive energy transfer device, and featuring a wireless data module configured to emit and/or receive electric signal synchronisation data towards and/or from the wireless data module,

wherein the charging device is characterised in that:

it comprises an input circuit having a first input connectable to a first power source, at least one second input and at least one output connectable to a charging module;

the first input of the input circuit is configured for an alternating electric signal derived from the first power source being a mains power source;

it comprises a secondary inductive device capable of being coupled to the primary inductive device for energy transfer between the primary inductive device and the secondary inductive device, thereby generating an induced electric signal at the output of the secondary inductive device;

it comprises a converter from the induced electric signal to an electric signal towards the second power supply input of the input circuit, wherein the converter is configured such that the electric signal has the same physical characteristics as the alternating electric signal of the first power source of the input circuit;

it comprises a control module configured to control the input circuit, wherein the first power supply input of the input circuit comprises a wireline connecting element.