CONDUCTIVE POWER REFUELING

• US 20110246014A1
• Filed: 12/14/2009
• Published: 10/06/2011
• Est. Priority Date: 12/12/2008
• Status: Abandoned Application

• Current Assignee: Sauper Umweltdatentechnik Gesellschaft M.B.H.
• Original Assignee: Sauper Umweltdatentechnik Gesellschaft M.B.H.
• Inventors: Sauper, Eckhard
• Application Number:
  US13/139,434
• Publication Number:
  US 20110246014A1
• Time in Patent Office: Days
• US Class Current: 701/22
• CPC Class Codes: B60L 2240/622 by satellite navigation
• CPC Class Codes: B60L 2260/56 Temperature prediction, e.g. for pre-cooling
• CPC Class Codes: B60L 2270/32 of electricity
• CPC Class Codes: B60L 2270/34 of parts
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/30 Constructional details of charging stations
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/31 Charging columns specially adapted for electric vehicles
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: H01R 13/665 with built-in electronic circuit H01R13/70, H01R13/719 take precedence
• CPC Class Codes: H01R 13/713 the switch being a safety switch
• CPC Class Codes: H01R 2201/26 for vehicles
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• 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 10/72 Electric energy management in electromobility
• 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
• CPC Class Codes: Y02T 90/167 Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A high-current transmission device for conductive charging of the batteries of electric vehicles has a socket with an integrated electromechanical switching function and at least one contactor. The contactor is configured without terminal contacts on the side facing the plug-and-socket connection and is part of the socket. The terminal contacts are located on a removable plug that is provided with plug contacts. A modular charging station system for conductive charging of the batteries of electric vehicles has a base unit, a master module, and a user module, with the base unit being configured without electronics and having at least one clamping device for the power feed and compartments for accommodating the master module and the user module. The master module and the user module form a high-current transmission device, with the master module having a socket and the user module having a plug that corresponds to the socket of the master module.

Claims

1. High-current plug-and-socket connection system for charging the batteries of electric vehicles, with a socket (1), with an integrated electromechanical switching function, and with at least one contactor, characterized in that the contactor is configured without terminal contacts on the switched side and is part of the socket (1) of the high-current transmission device and in that the terminal contacts (11) are located on a removable plug (2) that is provided with plug contacts (9).

2. High-current plug-and-socket connection system according to claim 1, wherein after electrical triggering of a coil (3), the plug contacts (9) are conductively connected to socket contacts via switching contacts (5).

3. High-current plug-and-socket connection system according to claim 1, wherein the plug (2) has cone-shaped guide projections (12) and corresponding socket-side recesses (13).

4. High-current plug-and-socket connection system according to claim 1, wherein when the plug (2) is inserted into the socket (1), the guide projection (12) of the plug (2) moves a protective flap (14) such that it clears the socket openings (15).

5. High-current plug-and-socket connection system according to claim 3, wherein the socket (1) has cone-shaped guide projections (6) and corresponding plug-side recesses (7).

6. High-current plug-and-socket connection system according to claim 5, wherein it is interlocked on the plug side and wherein the plug-side interlock has at least one lock (18) that is located on the plug (2) and a corresponding recess (19).

7. High-current plug-and-socket connection system according to claim 3, wherein it is interlocked on the socket side and wherein for socket-side interlocking, at least one lock (4) that is directly coupled to the contactor drive (16) can be locked into a corresponding recess (17) of the guide projections (12) of the plug under the force of the magnetic field of the contactor coil (3).

8. High-current plug-and-socket connection system according to claim 6, wherein the plug-side and/or the socket-side interlock is assigned an unlocking mechanism (20).

9. High-current plug-and-socket connection system according to claim 1, wherein in the plug (2) and/or in the socket (1), there is a temperature-dependent resistor or a temperature-dependent semiconductor (26).

10. High-current plug-and-socket connection system according to claim 9, wherein in the plug (2) and/or in the socket (1), there is an evaluation electronic device that evaluates the temperature and shuts off power transmission if a given value is exceeded.

11. High-current plug-and-socket connection system according to claim 3, wherein auxiliary connections for an auxiliary voltage supply and/or for bus systems and/or for temperature monitoring and/or for identification of the plug (2) can be established via at least one guide projection (12) on the plug (2), the corresponding socket-side recess (13) and via contacts (21).

12. High-current plug-and-socket connection system according to claim 3, wherein at least one guide projection (12) of the plug (2) or the plug (2) has a transponder chip (23) that is evaluated via a receiver (24) that is mounted in the socket (1).

13. High-current plug-and-socket connection system according to claim 3, wherein it has a reset system (25) that is located in the socket-side recess (13), and when the plug (2) is plugged in, it can be moved by the guide projection (12) of the plug (2).

14. Modular charging station system for charging the batteries of electric vehicles, characterized by a base unit (31), a master module (32) and a user module (33), with the base unit (31) being configured without electronics and having at least one clamping device (34) for the power feed and compartments (35, 36) for accommodating the master module (32) and the user module (33).

15. Charging station system according to claim 14, wherein the base unit (31) has a flap (38) for releasing and closing plug-and-socket connections for the user module (33).

16. Charging station system according to claim 14, wherein it is parameterized by the master module (32).

17. Charging station system according to claim 14, wherein the master module (32) has an adjustable location identification (45).

18. Charging station system according to claim 14, wherein the master module (32) has an auxiliary voltage supply (43) for disconnection electronics, a system bus, a supply of a slave module or the like, or for electronic displays.

19. Charging station system according to claim 14, wherein the master module (32) has a switching relay (44) for disconnection of the charging voltage and for shutoff in a ground fault or overcurrent.

20. Charging station system according to claim 19, wherein the switching relay (44) is 2-pin or 4-pin.

21. Charging station system according to claim 19, wherein there is an interlocking mechanism that prevents the user module (33) from being pulled out with the relay (44) connected.

22. Charging station system according to claim 14, wherein the master module (32) has a power measurement and energy metering unit (46).

23. Charging station system according to claim 22, wherein on the user module (33), there is a measurement means and wherein the power measurement and energy metering unit (46) of the master module (32) monitors the measurement means of the user module (33).

24. Charging station system according to claim 14, wherein the master module (32) supplies the user module (33) with power via voltage supply lines (47) and wherein the master module (32) and the user module (33) communicate via system bus lines (48).

25. Charging station system according to claim 14, wherein the user module (33) has metering electronics (40) and a communications unit (42).

26. Charging station system according to claim 14, wherein the user module (33) in the position of use on its bottom has a flap (39) for release of a plug and wherein the flap (39) prevents unauthorized removal of a charging cable (37) by mechanical interlocking.

27. Charging station system according to claim 14, wherein the user module (33) has an energy storage device (49) that is charged via the master module (32) after the user module (33) is inserted into the base unit (31).

28. Charging station system according to claim 25, wherein the user module (33) has a protective electronic device (41) for ground fault monitoring that is active before the user module (33) is inserted into the base unit (31).

29. Charging station system according to claim 28, wherein the protective electronic device (41) displays errors, and the charging voltage is not enabled if there is an error.

30. Charging station system according to claim 25, wherein the communications unit (42) is a GSM unit with a SIM card compartment for communication via modem connection or SMS with a server center.

31. Charging station system according to claim 30, wherein an identification SMS can be received and evaluated via the communications unit (42) after inserting the user module (33) and after its interlocking, and current is enabled when a balance is covered.

32. Charging station system according to claim 30, wherein at the end of battery charging, the communications unit (42) sends an SMS to the vehicle owner with data (kWh, amount to be paid, charging time, etc.) and wherein the data can be stored in the communications unit (42).

33. Charging station system according to claim 25, wherein the user module (32) has a power measurement and energy metering means whose data are sent to a central server via the communications unit (42).

34. Charging station system according to claim 14, wherein it can be operated with a high-current transmission device.

35. Method for handling the charging of batteries of electric vehicles, wherein a first communications unit of a central computer is connected via a first data transmission means to at least one cell phone and to at least one adapter of a charging station and wherein battery charging is monitored and accounts are settled via the communications unit of the central computer.

36. Method according to claim 35, wherein the first communications unit of a central computer is the Internet.

37. Method according to claim 36, wherein the adapter of the charging station is connected to a second communications unit that is connected via a second data transmission means to at least one charging station means, and to a third communications unit that is connected via a third data transmission means to at least one electric vehicle.

38. Method according to claim 37, wherein the adapter for the charging station imports data from the charging station or from the electric vehicle via the second and/or third communications unit and outputs commands to the charging station or to the electric vehicle.

39. Method according to claim 37, wherein the charging station means is connected to a fourth communications unit that is connected to at least one other charging station means via a fourth data transmission means.

40. Method according to claim 39, wherein the adapter imports data about the charging station via the fourth communications unit and/or controls it.

41. Method according to claim 35, wherein after connecting an electric vehicle to the charging station in a first step via the first communications unit, a connection to the central computer is established, in a further step the data are checked, and in a positive check, battery recharging is enabled in another step.

42. Method according to claim 41, wherein after enabling battery charging, in a first step data about mechanical connections of charging station means and/or about the current flow and/or about a power measurement means on the adapter are checked and monitored by the central computer and/or the adapter via protective and monitoring electronics in the adapter, and the charging voltage for charging the electric vehicle is enabled in a further step in a positive check.

43. Method according to claim 35, wherein during charging of the electric vehicle, data about mechanical connections of the charging station means and/or about the current flow and/or about a power measurement means on the adapter are checked and monitored by the central computer and/or the adapter.

44. Method according to claim 35, wherein data about battery charging can be sent to the cell phone during charging of the electric vehicle.

45. Method according to claim 35, wherein current and/or historical data about battery charging are graphically displayed.

46. Method according to claim 35, wherein the data are stored in the central computer and/or in the adapter.

47. Method according to claim 46, wherein in a data interruption, the data that have not been transmitted to the central computer are buffered in the adapter, and in the next charging process, they are transmitted to the central computer.

48. Method according to claim 35, wherein during charging of the electric vehicle, switching processes are carried out, especially for manual or programmed remote control of the heating system.

49. Method according to claim 35, wherein as an adapter, a modular charging station system comprising a base unit (31), a master module (32) and a user module (33), with the base unit (31) being configured without electronics and having at least one clamping device (34) for the power feed and compartments (35, 36) for accommodating the master module (32) and the user module (33) is used.