Power receiving connector and communication system

• US 9,780,499 B2
• Filed: 12/29/2012
• Issued: 10/03/2017
• Est. Priority Date: 01/10/2012
• Status: Expired due to Fees

• Current Assignee: Autonetworks Technologies, Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Wiring Systems Limited (Sumitomo Corporation), Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Autonetworks Technologies, Ltd. (Sumitomo Corporation), Sumitomo Electric Industries Limited (Sumitomo Corporation), Sumitomo Wiring Systems Limited (Sumitomo Corporation), Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: Takata, Yousuke, Okada, Ryou, Hagihara, Takeshi, Komatsu, Yutaka, Nakagawa, Nobuyuki
• Primary Examiner(s): Dunn, Drew A
• Assistant Examiner(s): Thapa, Sailesh
• Application Number:
  US14/371,409
• Publication Number:
  US 20150011123A1
• Time in Patent Office: 1,739 Days
• Field of Search: 320109
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2270/147 electro magnetic [EMI]
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/18 Cables specially adapted for charging electric vehicles
• CPC Class Codes: B60L 53/30 Constructional details of charging stations
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/66 Data transfer between charging stations and vehicles
• CPC Class Codes: B60L 58/12 responding to state of charge [SoC]
• CPC Class Codes: H01R 13/665 with built-in electronic circuit H01R13/70, H01R13/719 take precedence
• CPC Class Codes: H01R 2201/26 for vehicles
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 5/00 Circuit arrangements for transfer of electric power between ac networks and dc networks H02J3/36 takes precedence
• 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: 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 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

The power receiving connector to be placed as a vehicle-mounted feeding port is formed by integrating connection terminals, internal wirings, wiring branch parts, a ground wire side branch line, a control wire side branch line, capacitors, a superposition separation element, and a low-pass filter with a housing as a replaceable unit.

Claims

1. A power receiving connector, which can be placed in a vehicle and can be connected with a feeder wire to be used for power feeding, with a ground wire, and with a control wire configured to transmit a control signal to be used for power feeding control, comprising:

a plurality of connection terminals to be connected with the feeder wire, the ground wire and the control wire;

a plurality of internal wirings to be connected with the feeder wire, the ground wire and the control wire via the connection terminals;

a wiring branch part provided at each of internal wiring to be connected with the ground wire and internal wiring to be connected with the control wire;

a superposition separation element, which is connected with a ground wire side branch line that branches from the wiring branch part at a ground wire side and with a control wire side branch line that branches from the wiring branch part at a control wire side, configured to superpose and separate a communication signal, which is different from the control signal, for the ground wire and the control wire; and

a capacitor, which is interposed in one or both of the ground wire side branch line and the control wire side branch line, configured to pass a signal of a band to be used for the communication signal.

2. The power receiving connector according to claim 1,

wherein the superposition separation element has a primary coil to be connected with the ground wire side branch line and the control wire side branch line, and a secondary coil to be coupled electromagnetically with the primary coil, and

wherein the secondary coil can be connected with a communication device configured to transmit and receive the communication signal via the control wire and the ground wire.

3. The power receiving connector according to claim 2,

wherein the primary coil of the superposition separation element can be connected with the capacitor by a twisted wire pair.

4. The power receiving connector according to claim 2,

wherein the secondary coil of the superposition separation element can be connected with the communication device by a twisted wire pair.

5. The power receiving connector according to claim 4,

wherein a choke coil is provided in the communication device, and the secondary coil of the superposition separation element can be connected with the choke coil by a twisted wire pair.

6. The power receiving connector according to claim 1, further comprising

a low-pass filter, which is interposed in at least one of internal wiring at a ground wire side and internal wiring at a control wire side, configured to pass a signal of a band to be used for the control signal.

7. A communication system for connecting a feed device with a vehicle, which is provided with an electric power storage device to be fed from the feed device, by a charging cable, which includes a feeder wire to be used for power feeding, a ground wire and a control wire configured to transmit a control signal to be used for power feeding control of the electric power storage device, and for transmitting and receiving a communication signal, which is different from the control signal, using the control wire as a medium,

wherein the vehicle comprises a power receiving connecter according to claim 1 to be connected with a charging cable extending from the feed device, and a communication device configured to transmit and receive a communication signal to and from the feed device via the power receiving connector, and

wherein the communication device is connected with a secondary coil of the superposition separation element.

8. The communication system according to claim 7,

wherein the power receiving connector and the communication device are connected with each other by a twisted wire pair, and

wherein the communication device further comprises a choke coil to be connected with the twisted wire pair.

9. A power receiving connector, which can be placed in a vehicle and can be connected with a feeder wire to be used for power feeding, with a ground wire, and with a control wire configured to transmit a control signal to be used for power feeding control, comprising:

a plurality of connection terminals to be connected with the feeder wire, the ground wire and the control wire;

a plurality of internal wirings to be connected with the feeder wire, the ground wire and the control wire via the connection terminals;

a wiring branch part provided at each of internal wiring to be connected with the ground wire and internal wiring to be connected with the control wire;

a superposition separation element, which is connected with a ground wire side branch line that branches from the wiring branch part at a ground wire side and with a control wire side branch line that branches from the wiring branch part at a control wire side, configured to superpose and separate a communication signal, which is different from the control signal, for the ground wire and the control wire;

a capacitor, which is interposed in one or both of the ground wire side branch line and the control wire side branch line, configured to pass a signal of a band to be used for the communication signal; and

a low-pass filter, which is interposed in at least one of internal wiring at a ground wire side and internal wiring at a control wire side, configured to pass a signal of a band to be used for the control signal.

10. The power receiving connector according to claim 9,

wherein the superposition separation element has a primary coil to be connected with the ground wire side branch line and the control wire side branch line, and a secondary coil to be coupled electromagnetically with the primary coil, and

wherein the secondary coil can be connected with a communication device configured to transmit and receive the communication signal via the control wire and the ground wire.

11. The power receiving connector according to claim 10,

wherein the primary coil of the superposition separation element can be connected with the capacitor by a twisted wire pair.

12. The power receiving connector according to claim 10,

wherein the secondary coil of the superposition separation element can be connected with the communication device by a twisted wire pair.

13. The power receiving connector according to claim 12,

wherein a choke coil is provided in the communication device, and the secondary coil of the superposition separation element can be connected with the choke coil by a twisted wire pair.

14. A communication system for connecting a feed device with a vehicle, which is provided with an electric power storage device to be fed from the feed device, by a charging cable, which includes a feeder wire to be used for power feeding, a ground wire and a control wire configured to transmit a control signal to be used for power feeding control of the electric power storage device, and for transmitting and receiving a communication signal, which is different from the control signal, using the control wire as a medium,

wherein the vehicle comprises a power receiving connecter according to claim 9 to be connected with a charging cable extending from the feed device, and a communication device configured to transmit and receive a communication signal to and from the feed device via the power receiving connector, and

wherein the communication device is connected with a secondary coil of the superposition separation element.

15. The communication system according to claim 14,

wherein the power receiving connector and the communication device are connected with each other by a twisted wire pair, and

wherein the communication device further comprises a choke coil to be connected with the twisted wire pair.

16. A power receiving connector, which can be placed in a vehicle and can be connected with a feeder wire to be used for power feeding, with a ground wire, and with a control wire configured to transmit a control signal to be used for power feeding control, comprising:

a plurality of connection terminals to be connected with the feeder wire, the ground wire and the control wire;

a plurality of internal wirings to be connected with the feeder wire, the ground wire and the control wire via the connection terminals;

a wiring branch part provided at each of internal wiring to be connected with the ground wire and internal wiring to be connected with the control wire; and

a capacitor, which is interposed in one or both of a ground wire side branch line that branches from the wiring branch part at a ground wire side and a control wire side branch line that branches from the wiring branch part at a control wire side, configured to pass a signal of a band to be used for a communication signal, which is different from the control signal.

17. The power receiving connector according to claim 16,

wherein the ground wire side branch line and the control wire side branch line can be connected with a superposition separation element configured to superpose and separate the communication signal, which is different from the control signal, for the ground wire and the control wire.

18. The power receiving connector according to claim 17,

wherein the superposition separation element has a primary coil to be connected with the ground wire side branch line and the control wire side branch line, and a secondary coil to be coupled electromagnetically with the primary coil, and

wherein the secondary coil can be connected with a communication device configured to transmit and receive the communication signal via the control wire and the ground wire.

19. The power receiving connector according to claim 18,

wherein the primary coil of the superposition separation element can be connected with the capacitor by a twisted wire pair.

20. The power receiving connector according to claim 18,

wherein the secondary coil of the superposition separation element can be connected with the communication device by a twisted wire pair.

21. The power receiving connector according to claim 20,

wherein a choke coil is provided in the communication device, and the secondary coil of the superposition separation element can be connected with the choke coil by a twisted wire pair.

22. A communication system for connecting a feed device with a vehicle, which is provided with an electric power storage device to be fed from the feed device, by a charging cable, which includes a feeder wire to be used for power feeding, a ground wire and a control wire configured to transmit a control signal to be used for power feeding control of the electric power storage device, and for transmitting and receiving a communication signal, which is different from the control signal, using the control wire as a medium,

wherein the vehicle comprises a power receiving connecter according to claim 17 to be connected with a charging cable extending from the feed device, and a communication device configured to transmit and receive a communication signal to and from the feed device via the power receiving connector, and

wherein the communication device is connected with a secondary coil of the superposition separation element.

23. The communication system according to claim 22,

wherein the power receiving connector and the communication device are connected with each other by a twisted wire pair, and

wherein the communication device further comprises a choke coil to be connected with the twisted wire pair.

24. The power receiving connector according to claim 16, further comprising

a low-pass filter, which is interposed in at least one of internal wiring at a ground wire side and internal wiring at a control wire side, configured to pass a signal of a band to be used for the control signal.

25. A power receiving connector, which can be placed in a vehicle and can be connected with a feeder wire to be used for power feeding, with a ground wire, and with a control wire configured to transmit a control signal to be used for power feeding control, comprising:

a plurality of connection terminals to be connected with the feeder wire, the ground wire and the control wire;

a plurality of internal wirings to be connected with the feeder wire, the ground wire and the control wire via the connection terminals;

a wiring branch part provided at each of internal wiring to be connected with the ground wire and internal wiring to be connected with the control wire; and

a low-pass filter, which is interposed in at least one of internal wiring at a ground wire side and internal wiring at a control wire side, configured to pass a signal of a band to be used for the control signal,

wherein the ground wire side branch line and the control wire side branch line can be connected with a superposition separation element configured to superpose and separate a communication signal, which is different from the control signal, for the ground wire and the control wire, via a capacitor configured to pass a signal of a band to be used for a communication signal, which is different from the control signal.

26. The power receiving connector according to claim 25,

wherein the superposition separation element has a primary coil to be connected with the ground wire side branch line and the control wire side branch line, and a secondary coil to be coupled electromagnetically with the primary coil, and

wherein the secondary coil can be connected with a communication device configured to transmit and receive the communication signal via the control wire and the ground wire.

27. The power receiving connector according to claim 26,

wherein the primary coil of the superposition separation element can be connected with the capacitor by a twisted wire pair.

28. The power receiving connector according to claim 26,

wherein the secondary coil of the superposition separation element can be connected with the communication device by a twisted wire pair.

29. The power receiving connector according to claim 28,

wherein a choke coil is provided in the communication device, and the secondary coil of the superposition separation element can be connected with the choke coil by a twisted wire pair.

30. A communication system for connecting a feed device with a vehicle, which is provided with an electric power storage device to be fed from the feed device, by a charging cable, which includes a feeder wire to be used for power feeding, a ground wire and a control wire configured to transmit a control signal to be used for power feeding control of the electric power storage device, and for transmitting and receiving a communication signal, which is different from the control signal, using the control wire as a medium,

wherein the vehicle comprises a power receiving connecter according to claim 25 to be connected with a charging cable extending from the feed device, and a communication device configured to transmit and receive a communication signal to and from the feed device via the power receiving connector, and

wherein the communication device is connected with a secondary coil of the superposition separation element.

31. The communication system according to claim 30,

wherein the power receiving connector and the communication device are connected with each other by a twisted wire pair, and

wherein the communication device further comprises a choke coil to be connected with the twisted wire pair.