# US 2013/0154362 A1 · Power line communications system, power line communication device, and connector device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154362 A1 - Document ID: US20130154362A1 - Status: Published application - Kind: A1 - Application number: 13/820,693 - Filed: 2011-08-24 - Published: 2013-06-20 - Earliest claimed: 2010-09-10 - Assignees: Toyota Jidosha Kabushiki Kaisha; Sumitomo Electric Industries, Ltd. - Inventors: Yousuke Takaka; Yutaka Komatsu; Takeshi Hagihara; Hiroya Andoh; Yuta Ochiai; Nobuyuki Nakagawa; Yukihiro Miyashita - Web page: https://patentgrep.com/patent/US20130154362A1 ## CPC - B60R 16/023: for transmission of signals between vehicle parts or subsystems - B60L 3/0069: {relating to the isolation, e.g. ground fault or leak current} - B60L 3/04: Cutting off the power supply under fault conditions (protective devices and circuit arrangements in general H01H; H02H) - B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles - B60L 53/18: Cables specially adapted for charging electric vehicles - B60L 53/65: involving identification of vehicles or their battery types - H01R 13/68: with built-in fuse - H02H 9/042: {comprising means to limit the absorbed power or indicate damaged over-voltage protection device} - H04B 3/56: Circuits for coupling, blocking, or by-passing of signals - B60L 2210/30: AC to DC converters - H04B 2203/5483: using coupling circuits - H04B 2203/5487: cables - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 10/72: Electric energy management in electromobility - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - 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] - Y04S 30/14: Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H02H: EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS (indicating or signalling undesired working conditions G01R, e.g. G01R31/00, G08B; locating faults along lines G01R31/08; emergency protective devices H01H) - H04B: TRANSMISSION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract A coupling transformer 15 necessary for power line communication is provided in a connector device 3. The coupling transformer 15 is formed by winding an AC line 11 and a signal wire 13 around an annular toroidal core 15a, which is to be fitted on a tubular part 32 of the connector device 3. Cutouts for housing the AC line 11 and the signal wire 13 wound around the toroidal core 15a are formed in the tubular part 32 of the connector device 3. Further, a coil 17a is connected to the AC line 11, a capacitor 17b is connected to an AC line 12, and the coil 17a and the capacitor 17b are connected to each other with a wire 17c provided along the AC lines 11 and 12, whereby a filter circuit is formed. ## Claims ### Claim at position 1 1-15. (canceled) ### Claim 16 A power line communication system in which a vehicle and a feeding device are connected to each other with a charging cable, and power line communication is performed between a power line communication device installed in the vehicle and the feeding device via the charging cable, the charging cable comprising two power supply wires, the power line communication device comprising: two internal power supply wires respectively connected to the power supply wires of the charging cable; a filter circuit connected to and between the two internal power supply wires; and an electromagnetic guidance type signal converter comprising a primary coil provided in one or both of the internal power supply wires, and a secondary coil electromagnetically connected to the primary coil, and the feeding device comprising: two internal power supply wires respectively connected to the power supply wires of the charging cable; a filter circuit connected to and between the two internal power supply wires; and an electromagnetic guidance type signal converter comprising a primary coil provided in one or both of the internal power supply wires, and a secondary coil electromagnetically connected to the primary coil, wherein a current loop circuit is formed by the two internal power supply wires and the filter circuit of the power line communication device, the two power supply wires of the charging cable, and the two internal power supply wires and the filter circuit of the feeding device, and each of the power line communication device and the feeding device is configured to superpose a signal on the charging cable and extract a signal superposed on the charging cable by means of its signal converter. ### Claim 17 (depends on 16) The power communication system according to claim 16, wherein the power line communication device comprises a connector device which is installed in the vehicle and to which the charging cable is connected, the connector device has the signal converter integrated therein. ### Claim 18 (depends on 16) The power line communication system according to claim 16, wherein the power line communication device comprises a connector device which is installed in the vehicle and to which the charging cable is connected, the connector device comprises: a plurality of connection terminals for connecting the connector device to the charging cable; a connector body which houses the plurality of connection terminals; a plurality of internal wires including the two internal power supply wires and connected to the connection terminals; a tubular part which is provided in the connector body and through which the plurality of internal wires are inserted; an annular magnetic body provided externally around the tubular part; and a signal wire wound around the annular magnetic body, one or both of the internal power supply wires are wound around the annular magnetic body, and the electromagnetic guidance type signal converter of the power line communication device is formed by the annular magnetic body, the one or both of the internal power supply wires, and the signal wire. ### Claim 19 (depends on 18) The power line communication system according to claim 18, wherein the signal wire and the one or both of the internal power supply wires are wound around the annular magnetic body so as to overlap each other. ### Claim 20 A power line communication device in a vehicle which performs power line communication with an external device which is connected to the vehicle with a charging cable, the charging cable comprising two power supply wires, the power line communication device comprising: two internal power supply wires respectively connected to the power supply wires of the charging cable; a filter circuit connected to and between the two internal power supply wires; and an electromagnetic guidance type signal converter comprising a primary coil provided in one or both of the internal power supply wires, and a secondary coil electromagnetically connected to the primary coil, wherein superposition of a signal on the charging cable and extraction of a signal superposed on the charging cable are performed by means of the signal converter. ### Claim 21 (depends on 20) The power line communication device according to claim 20, comprising a connector device which is installed in the vehicle and to which the charging cable is connected, wherein the connector device has the signal converter integrated therein. ### Claim 22 (depends on 20) The power line communication device according to claim 20, comprising: a connector device which is installed in the vehicle and to which the charging cable is connected, wherein the connector device comprises: a plurality of connection terminals for connecting the connector device to the charging cable; a connector body which houses the plurality of connection terminals; a plurality of internal wires including the two internal power supply wires and connected to the connection terminals; a tubular part which is provided in the connector body and through which the plurality of internal wires are inserted; an annular magnetic body provided externally around the tubular part; and a signal wire wound around the annular magnetic body, one or both of the internal power supply wires are wound around the annular magnetic body, and the signal converter is formed by the annular magnetic body, the one or both of the internal power supply wires, and the signal wire. ### Claim 23 (depends on 22) The power line communication device according to claim 22, wherein the signal wire and the one or both of the internal power supply wires are wound around the annular magnetic body so as to overlap each other. ### Claim 24 (depends on 1) A connector device which is used in the power line communication system according to claim 1 and which includes a plurality of connection terminals, a connector body which houses the plurality of connection terminals, and a plurality of internal wires including two internal power supply wires and connected to the connection terminals, the connector device comprising: an electromagnetic guidance type signal converter comprising a primary coil provided in one or both of the internal power supply wire and a secondary coil electromagnetically connected to the primary coil, wherein the connector body has the signal converter integrated therein. ### Claim 25 (depends on 24) The connector device according to claim 24, comprising: a tubular part which is provided in the connector body and through which the plurality of internal wires are inserted; an annular magnetic body provided externally around the tubular part; and a signal wire wound around the annular magnetic body, wherein one or both of the internal power supply wires are wound around the annular magnetic body, the electromagnetic guidance type signal converter is configured for power line communication performed by the annular magnetic body, the one or both of the internal power supply wires, and the signal wire. ### Claim 26 (depends on 25) The connector device according to claim 25, wherein the signal wire and the one or both of the internal power supply wires are wound around the annular magnetic body so as to overlap each other. ### Claim 27 (depends on 25) The connector device according to claim 25, wherein the annular magnetic body is externally fitted on the tubular part, and a cutout for housing the wound portion of the one or both of the internal power supply wires around the annular magnetic body is formed in the tubular part. ### Claim 28 (depends on 27) The connector device according to claim 27, wherein the cutout is formed so as to house the signal wire wound around the annular magnetic body as well as the wound portion of the one or both of the internal power supply wires around the annular magnetic body. ### Claim 29 A connector device which includes a plurality of connection terminals, a connector body which houses the plurality of connection terminals, and a plurality of internal wires including two internal power supply wires and connected to the connection terminals, the connector device comprising: an annular magnetic body through which one of the internal power supply wires is inserted and the other of the internal power supply wires is not inserted; and a signal wire wound around the annular magnetic body, wherein an electromagnetic guidance type signal converter for power line communication is formed by the annular magnetic body, the one of the internal power supply wires, and the signal wire. ### Claim 30 (depends on 24) The connector device according to claim 24, further comprising: a filter circuit connected to and between the two internal power supply wires. ### Claim 31 (depends on 30) The connector device according to claim 30, wherein the filter circuit is formed by a plurality of electronic components, and the plurality of electronic components are connected to each other with a wire provided along the internal power supply wires. ### Claim 32 (depends on 24) The connector device according to claim 24, further comprising: a surge protection element connected to and between the two internal power supply wires. ### Claim 33 (depends on 24) The connector device according to claim 24, further comprising: a fuse provided in the internal power supply wires.