BATTERY CHARGER FOR ELECTRIC VEHICLES

• US 20160167536A1
• Filed: 07/30/2014
• Published: 06/16/2016
• Est. Priority Date: 08/01/2013
• Status: Active Grant

• Current Assignee: META Systems (Siemens AG)
• Original Assignee: META Systems (Siemens AG)
• Inventors: LASAGNI, Cesare
• Granted Patent: US 10,661,662 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60L 3/00 Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption methods or circuit arrangements for monitoring or controlling batteries or fuel cells B60L58/00
• CPC Class Codes: B60L 3/0092 with use of redundant elements for safety purposes
• CPC Class Codes: B60L 3/04 Cutting off the power supply under fault conditions protective devices and circuit arrangements in general H01H; H02H
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/60 Monitoring or controlling charging stations
• CPC Class Codes: B60L 53/66 Data transfer between charging stations and vehicles
• CPC Class Codes: H02J 2207/20 Charging or discharging characterised by the power electronics converter
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 7/0014 Circuits for equalisation of charge between batteries
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H02J 7/02 for charging batteries from ac mains by converters
• 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
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

The battery charger (1) for electric vehicles comprises a container (2), a first power unit (3) housed inside said container (2), connectable at input to an external power supply line (L) and connectable at output to a battery (B) of an electric vehicle (V), and an electronic control unit (4) housed inside the container (2) and operatively connected to the first power unit (3), and a second power unit (6) housed inside the container (2), operatively connected to the electronic control unit (4), connectable at input to at least an external power supply line (L) and connectable at output to the battery (B) of the electric vehicle (V).

Claims

1. ) Battery charger (1) for electric vehicles, comprising a container (2), at least a first power unit (3) housed inside said container (2), connectable at input to at least an external power supply line (L) and connectable at output to at least a battery (B) of an electric vehicle (V), at least an electronic control unit (4) housed inside said container (2) and operatively connected to said first power unit (3), and at least a second power unit (6) housed inside said container (2), operatively connected to said electronic control unit (4), connectable at input to at least an external power supply line (L) and connectable at output to said at least a battery (B) of the electric vehicle (V).

2. ) Battery charger (1) according to claim 1, wherein said electronic control unit (4) comprises piloting means (7) of said first power unit (3) and of said second power unit (6).

3. ) Battery charger (1) according to claim 1, wherein said electronic control unit (4) comprises at least a communication interface (8) connectable to a station (C) of said vehicle (V) and able to communicate with said station (C).

5. ) Battery charger (1) according to claim 1, wherein it comprises electric cut-out means (10) operatively placed between said electronic control unit (4) and said first and second power units (3, 6), said electric cut-out means (10) being able to cut out the electric connection in case of failure between said first and second power units (3, 6) and at least one between said power supply line (L) and said battery (B).

6. ) Battery charger (1) according to claim 5, wherein said electric cut-out means (10) comprise at least an electric component able to support energy backflow from said power supply line (L) and/or from said battery (B).

7. ) Battery charger (1) according to claim 5, wherein said electric cut-out means (10) comprises at least a fuse.

4. ) Battery charger (1) according to clam 1, wherein the total power at output from said first power unit (3) and said second power unit (6) is between 6000 W and 7000 W.