Sumitomo Electric Industries, Limited

Toyota Jidosha Kabushiki Kaisha

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Yousuke Takata

Takeshi Hagihara

Nobuyuki Nakagawa

Yutaka Komatsu

Ryou Okada

Yukihiro Miyashita

Yuta Ochiai

Hiroya Andoh

Kazuhiko Nii

Ryuichi Kamaga

Atsushi Iwai

Tatsuya Izumi

A power supply system and a connector, which can suppress occurrence of crosstalk between a power supply wire, and a control wire and an earth wire in a charging cable that includes the power supply wire, the control wire and the earth wire at the time of connecting a power supplying device with a vehicle having a power storage device to be supplied with power from the power supplying device via the power supply wire and the earth wire to be used for supplying power and the control wire for transmitting a control signal to be used for power supply control of the power storage device, are provided. The ratio of the winding number of a primary coil connected with at least one of the control wire and the earth wire to the winding number of a secondary coil connected with a communication unit that sends and receives a communication signal is set at 1/N (N&#x3e;1) in a system which satisfies VnC&#x3e;VnL or is set at N (N&#x3e;1) in a system which satisfies VnC&#x3c;VnL.

Power supply system and connector

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.

Power receiving connector and communication system

An output circuit sends a control pilot signal generated in a voltage generator to an input circuit. A communication unit is connected between an earthed wire and a control pilot wire on the output side of the output circuit via a bandpass filter. A communication unit is connected between the earthed wire and the control pilot wire on the input side of the input circuit via a bandpass filter. A low-pass filter is interposed between the output circuit and the communication unit. A low-pass filter is interposed between the input circuit and the communication unit.

Communication system and communication device

An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.

Provided a power receiving connector and a charging system that, during a communication such as inband communication wherein a communication signal is superposed in a control wire incorporated in a charging cable connecting a vehicle and a feed device, can reduce the mutual effect resulting from electromagnetic waves caused by the communication signal transmitted within the vehicle and a device in the vehicle. A power receiving connector to be placed as a vehicle-mounted feeding port is formed by integrating connection terminals internal wirings, a superposition separation element, and a capacitor with a housing as a replaceable unit.

Power receiving connector, charging system and communication system

Provided are a power line communication system, a connector device, and a power line communication device that allow downsizing of a device for power line communication in a vehicle that performs power line communication with a feeding device via a charging cable. An electromagnetic induction type signal converter and a filter necessary for power line communication are provided in a connector device, and a power line communication section which performs power line communication with the electromagnetic induction type signal converter is provided in an ECU. A capacitor, a signal wire, and a capacitorare connected in series between AC linesandextending from a tubular partof the connector device. The electromagnetic induction type signal converter is formed by a primary coil obtained by winding the signal wirearound a toroidal corefitted on the tubular part, and a secondary coil obtained by winding a signal wireconnected to the power line communication section around the toroidal core. Cutoutsandfor housing the signal wiresandwound around the toroidal coreare formed in the tubular partof the connector device

Power line communication system, connector device, and power line communication device

Provided is a power line communication system in which power line communication devices having different configurations from each other coexist. A charging station performs power line communication, using a signal superimposition/separation section in which a capacitor, a coupling transformer, and a capacitor are connected to branch lines branched from two AC lines. An electric vehicle performs power line communication, using a signal superimposition/separation section in which the coupling transformer is inserted in one AC line and a capacitor is connected to and between two AC lines. In a case where the charging station and the electric vehicle are connected to each other with a charging cable, a closed loop circuit is formed that is composed of the AC line, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the AC line, an AC line, the AC line, the capacitor, a primary coil of a coupling transformer, the AC line, and an AC line. Thus, power line communication can be performed.

Power line communication system

When a vehicle including a battery is charged from a power supply device, communication such as power line communication is performed in which a communication signal is superposed on wires contained in a charging cable. A communication device performs communication via a pair of communication lines connected to wires such as a pair of power supply lines used for power supply. A pair of induction elements whose one ends are connected to the pair of communication lines are provided, and the other ends of the pair of induction elements are connected to a ground potential via a capacitance element.

Communication device and communication system

A communication system, a communication device, a power supply device, and a vehicle are provided, which can suppress occurrence of communication abnormality while suppressing noise applied to a power supply line to be lower than a predetermined upper limit value of a standard, in communication such as inband communication in which a vehicle and a power supply device are connected to each other via a charging cable containing the power supply line and a control line, and a communication signal is transmitted and received using the control line as a medium. A power supply devicereads setting relating to an output for each frequency which is previously stored in a memory, and performs a mapping process of adjusting, based on the read setting, an output waveform relating to transmission of the communication signal to an amplitude previously set for each frequency. Then, the power supply deviceexecutes inverse fast Fourier transform on the mapped communication signal to convert the communication signal represented as digital data on a frequency domain into digital data on a time domain, and converts the digital signal into analog signal to be transmitted.

Communication system, communication device, power supply device, and vehicle

A charging station performs communications by use of a superimposing/separating unit configured by connecting a capacitor, a coupling transformer and a capacitor to branch lines branching out respectively from a control cable and a grounded cable. An electric vehicle performs communications by use of a superimposing/separating unit configured by providing a coupling transformer to the control cable. A capacitor is also connected between the control cable and the grounded cable. Communications are allowed by the configuration of a closed loop circuit comprising the control cable, the branch line, the capacitor, a primary coil of the coupling transformer, the capacitor, the branch line, the grounded cable, the capacitor, and a primary coil of the coupling transformer.

Communication system

Provided are a communication system and a communication device capable of suppressing attenuation of a communication signal superimposed upon a control pilot line. This output circuit () sends a control pilot signal which has been generated at a voltage generation source () to an input circuit (). Between the control pilot line () and the ground line () of the output side of the output circuit (), a communication unit () is connected via a transformer (). Between the control pilot line () and the ground line () of the input side of the input circuit (), a communication unit () is connected via a transformer (). Between the output circuit () and the transformer (), a lowpass filter () is interposed. Between the input circuit () and the transformer (), a lowpass filter () is interposed.

Growing community of inventors

Osaka, Japan

Yousuke Takata