Abstract: An in-vehicle power supply system includes: a main power supply configured to supply power; one or more power supply hubs; a plurality of electronic devices; a main power cable configured to connect the one or more power supply hubs to the main power supply; a sub power cable configured to connect each of the plurality of electronic devices to any one of the one or more power supply hubs; and a control unit configured to turn on/off power supply to each of the plurality of electronic devices through a power supply hub connected to the electronic device. For the plurality of electronic devices, a predetermined voltage is specified, and it is designed so that, while power is supplied to the plurality of electronic devices connected to the one or more power supply hubs, the predetermined voltage of at least one of the plurality of electronic devices is ensured.

Abstract: Electronic devices include: a first electronic device capable of being always supplied with power; and a second electronic device capable of being supplied with the power through an operation by an occupant. Each of power supply hubs is located near the first electronic device, and connected to a battery or another one of the power supply hubs by one of main power supply lines. Each of the first and second electronic devices is connected to nearby one of the power supply hubs. Each of zone ECUs outputs a control signal to one of power supply ICs so as to distribute, to the first and second electronic devices, the power supplied to one of the power supply hubs by one of the main power supply lines.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (22) is provided in a vehicle body and is coupled to a trunk network through which a digital control signal is transmitted. A sub hub device (241, 242) performs input/output of a signal to/from an in-vehicle device provided in a partial body assembled to the vehicle body via a movable portion. The sub hub device (241, 242) is provided in the partial body and the digital control signal is transmitted/received between the sub hub device (241, 242) and the network hub device (22) via a wire harness passing through the movable portion.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (35) is coupled to a trunk network and performs input/output of a signal to/from an in-vehicle device via a plurality of device side communication ports. A signal conversion section (35a, 35b) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a trunk side communication port and an analog port. A second signal conversion section (70) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a digital port (49) and a predetermined in-vehicle device (353).

Abstract: A network system includes a higher-level device, a first intermediate device connected to the higher-level device, and a second intermediate device connected to the higher-level device. The first intermediate device is configured to control supply of an electric power to a first lower-level device via a first device being able to be controlled to interrupt. The second intermediate device is configured to control supply of an electric power to a second lower-level device via a second device being able to be controlled to interrupt, the second lower-level device being a redundant component for the first lower-level device.

Abstract: Electronic devices include: a first electronic device capable of being always supplied with power; and a second electronic device capable of being supplied with the power through an operation by an occupant. Each of power supply hubs is located near the first electronic device, and connected to a battery or another one of the power supply hubs by one of main power supply lines. Each of the first and second electronic devices is connected to nearby one of the power supply hubs. Each of zone ECUs outputs a control signal to one of power supply ICs so as to distribute, to the first and second electronic devices, the power supplied to one of the power supply hubs by one of the main power supply lines.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (35) is coupled to a trunk network and performs input/output of a signal to/from an in-vehicle device via a plurality of device side communication ports. A signal conversion section (35a, 35b) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a trunk side communication port and an analog port. A second signal conversion section (70) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a digital port (49) and a predetermined in-vehicle device (353).

Abstract: A ring-shaped power supply system includes: a plurality of relays provided apart from each other on a ring-shaped power supply wire; a plurality of detectors, each provided between ones of the relays, for detecting an electrical change caused by a break when such a break has occurred in the ring-shaped power supply wire; and an arithmetic processor that localizes the point of the break in the ring-shaped power supply wire based on electrical changes detected by the plurality of detectors and cuts off ones of the relays located on both sides of the break point.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (22) is provided in a vehicle body and is coupled to a trunk network through which a digital control signal is transmitted. A sub hub device (241, 242) performs input/output of a signal to/from an in-vehicle device provided in a partial body assembled to the vehicle body via a movable portion. The sub hub device (241, 242) is provided in the partial body and the digital control signal is transmitted/received between the sub hub device (241, 242) and the network hub device (22) via a wire harness passing through the movable portion.

Abstract: A network system includes a higher-level device, a first intermediate device connected to the higher-level device, and a second intermediate device connected to the higher-level device. The first intermediate device is configured to control supply of an electric power to a first lower-level device via a first device being able to be controlled to interrupt. The second intermediate device is configured to control supply of an electric power to a second lower-level device via a second device being able to be controlled to interrupt, the second lower-level device being a redundant component for the first lower-level device.

Abstract: An in-vehicle power supply structure, in which a vehicle is divided into a plurality of zones and a power supply hub for connecting an electronic device is provided in each of the zones, includes a break detection wire routed along a power supply wire, for detecting damage to the power supply wire caused by an external force acting on the vehicle by its own damage. Both ends of the break detection wire are connected to power supply hubs placed adjacent to each other.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (30) is coupled to a trunk network through which a digital control signal is transmitted via a communication port (41) and performs input/output of a signal to/from an in-vehicle device via a communication port (42 to 48). A distributing/aggregating section (51) distributes digital control signals received by the communication port (41) to a plurality of signal paths, aggregates digital control signals received via the plurality of signal paths, and transmits an aggregated signal to the communication port (41). A signal conversion section (60) is provided between one of the signal paths and a communication port (45 to 48), and one of the signal paths is coupled to the communication port (42).

Abstract: A network system includes: an electric power system including a first power supply system and a second power supply system; a higher-level device connected to a first power supply of the first power supply system and a second power supply of the second power supply system; a first intermediate device connected to the first power supply of the first power supply system and configured to control supply of an electric power to a first lower-level device; and a second intermediate device connected to the second power supply of the second power supply system and configured to control supply of an electric power to a second lower-level device that is a redundant component for the first lower-level device.

Abstract: An onboard power source system includes: a main power source unit that supplies power; one or a plurality of power source hubs; a plurality of electronic devices; and a main power feeding cable that connects the one or plurality of power source hubs to the main power source unit, in which an electronic device related to power among the plurality of electronic devices and an electronic device related to traveling or safety among the plurality of electronic devices are connected to different power source hubs.

Abstract: An in-vehicle power supply system includes first to sixth power supply hubs connected to a main feed line routed from a battery, electronic devices connected to the first to sixth power supply hubs, and a relay configured to turn ON or OFF energization of each of the electronic devices. The relay includes a mechanical relay used for an electronic device whose current consumption is higher than or equal to 10 A, and the relay includes a semiconductor relay used for an electronic device whose current consumption is lower than 10 A. The mechanical relay is disposed outside a space of a vehicle cabin and inside a body of a vehicle, the space of the vehicle cabin being surrounded by a water seal that blocks entry of water from an outside of the vehicle into the vehicle cabin.

Abstract: An in-vehicle power supply system includes: a main power supply configured to supply power; one or more power supply hubs; a plurality of electronic devices; a main power cable configured to connect the one or more power supply hubs to the main power supply; a sub power cable configured to connect each of the plurality of electronic devices to any one of the one or more power supply hubs; and a control unit configured to turn on/off power supply to each of the plurality of electronic devices through a power supply hub connected to the electronic device. For the plurality of electronic devices, a predetermined voltage is specified, and it is designed so that, while power is supplied to the plurality of electronic devices connected to the one or more power supply hubs, the predetermined voltage of at least one of the plurality of electronic devices is ensured.

Abstract: An in-vehicle power supply system includes multiple power supply hubs, multiple electronic device, which are connected to the power supply hubs through auxiliary feeder cables, and a control unit which controls on and off of power supply to the electronic devices. The control unit has an approach determination unit, which determines whether a passenger has approached the vehicle, and a power supply start controller, which switches on power supply to at least one of the electronic devices when the approach determination unit determines that the passenger has approached the vehicle.

Abstract: An in-vehicle power supply system includes first to sixth power supply hubs connected to a main feed line, electronic devices connected to the first to sixth power supply hubs via a sub feed line, and a control device configured to control power feeding to the electronic devices. The control device is configured to control, based on a condition regarding a current consumption of the electronic devices, power feeding to the electronic devices such that the current consumption of the electronic devices is lower than an allowable current consumption that is predetermined in accordance with a scene of using a vehicle.

Abstract: An in-vehicle control device includes a processor configured to: control a device of a first type, which has a function of switching an operation mode between a normal mode and a mode in which power consumption is limited compared to the normal mode in accordance with an instruction via communication and a device of a second type, which does not have the function; specify a limited device that is a device of which power consumption is to be limited, based on information acquired from outside; transmit to the limited device via a communication line an instruction to shift the operation mode to the mode in which power consumption is limited compared to the normal mode, when the limited device is the device of the first type; and stop power supply to the limited device when the limited device is the device of the second type.

Abstract: An in-vehicle control device includes a processor configured to: control a device of a first type, which has a function of switching an operation mode between a normal mode and a mode in which power consumption is limited compared to the normal mode in accordance with an instruction via communication and a device of a second type, which does not have the function; specify a limited device that is a device of which power consumption is to be limited, based on information acquired from outside; transmit to the limited device via a communication line an instruction to shift the operation mode to the mode in which power consumption is limited compared to the normal mode, when the limited device is the device of the first type; and stop power supply to the limited device when the limited device is the device of the second type.