Abstract: An in-vehicle communication system is an in-vehicle communication system to be mounted on a vehicle, and includes: a gateway performing relay processing involving communication protocol conversion; and one or a plurality of switching devices performing relay processing not involving the communication protocol conversion, the gateway or the switching device manages data update of a target device mounted on the vehicle, the gateway receives update data for the target device from an external device disposed outside the vehicle, transmits, to the switching device connected thereunder, the update data for the target device, which is connected to the switching device, not holding the update data at least after completing the update, and holds the update data for the target device, which is connected thereto, also after completing the update not through the switching device.

Abstract: An in-vehicle DC-DC converter includes a gain setting unit that sets a gain to be used for feedback computation, a duty ratio determination unit that determines a duty ratio, and a drive unit that outputs, to a switching element, a PWM signal that is based on the duty ratio to be used determined by the duty ratio determination unit. The duty ratio determination unit includes a computation unit that repeatedly performs feedback computation for calculating a duty ratio of a PWM signal, so as to approximate a voltage value of an output-side conductive path to a target voltage value, based on a voltage value detected by the voltage detection unit and the gain to be used set by the gain setting unit. The gain setting unit sets the gain to be used, based on a voltage value detected by the voltage detection unit.

Abstract: Provided is a connection structure for connecting electrodes of a plurality of capacitors, including: a circuit board that includes power source patterns and through holes into which the electrodes are inserted, the circuit board being placed on the capacitors; bolts that include shaft portions that are inserted into the through holes and are screwed into the electrodes of the capacitors and head portions that are formed integrally with the shaft portions and press the power source patterns to the electrodes via the circuit board, and spacer portions that are arranged in the through holes and support the bolts.

Abstract: A fixing structure of a wiring member includes a plate-like member provided in a vehicle, a wiring member disposed on a main surface of the plate-like member, and a fixing member fixing the wiring member to the plate-like member. The fixing member includes a housing part inserted into the plate-like member, a locking protrusion provided to extend outward from the housing part, and a protrusion extension part housed in the housing part and spreading the locking protrusion outside to lock the locking protrusion inside the plate-like member.

Abstract: An ECU compares a plurality of pieces of data that include the same identification information if they are received within a preset time range. If it is determined, as a result of the comparison, that there are one or more data groups each consisting of data having the same content, and the number of largest data groups with the largest number of pieces of data among the one or more data groups is one, the ECU selects data included in the largest data group as proper data. In the ECU, if it is determined that, as a result of comparison, that there is no data group, or the number of largest data groups is greater than one, the contents of the plurality of pieces of data received within the time range are ignored.

Abstract: Provided is an equalization control device that can perform ex-post adjustment of a threshold serving as a reference when equalizing cell voltages of multiple cells. An equalization control device has a voltage detection unit that individually detects each cell voltage in a plurality of cells, an individual discharge unit that individually discharges each cell, a setting unit that sets, in an updatable manner, a threshold as a reference value for comparing with the cell voltage detected by the voltage detection unit, and a control unit that controls the individual discharge unit. The control unit compares each cell voltage detected by the voltage detection unit with the threshold set by the setting unit, and performs control to selectively discharge a discharge target cell having a larger cell voltage than the threshold.

Abstract: A support member-attached wiring member includes: a wiring member flatly formed; a support member including a fitting part formed into a cylindrical shape opening in one portion in a circumferential direction so as to be able to be fitted to an outer peripheral part of a rod-like member; a penetration part passing through the wiring member in a state where the wiring member is disposed on an outer side of the support member; and a retaining part which does not pass through the wiring member but is provided on an outer side of the wiring member to prevent the penetration part from coming out of the wiring member.

Abstract: A wiring member includes a wire-like transmission member, a holding member, and a connector. The holding member is configured to hold the wire-like transmission member two-dimensionally in a positioned state. The connector is attached to an end portion of the wire-like transmission member. The connector is provided with an orientation recognition mark.

Abstract: An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.

Abstract: A support structure of a wiring member includes an attaching target member and a wiring member attached to the attaching target member. The wiring member includes a plurality of electrical wires and a plurality of electrical wire holding parts each holding some of the plurality of electrical wires and having a ceiling wall located on an opposite side of the some of the plurality of electrical wires from the attaching target member.

Abstract: An electrical connection device includes a first conductive plate provided with a cutout in a circumferential edge portion of the first conductive plate and a second conductive plate adjacent to the first conductive plate without contacting the first conductive plate. A switching element includes a first terminal connected to the first conductive plate, a second terminal connected to the second conductive plate, and a control terminal, and that is turned on or off according to a voltage of the control terminal, wherein the electrical connection device further includes an insulator embedded in the cutout. A conductive path is provided on the surface of the insulator and that does not contact the first conductive plate, and to which the control terminal is connected.

Abstract: A connector structure enables the replacement of an STP cable (10B) and a UTP cable (10A) without making a large structural change. UTP connection terminals (21A) to be connected to respective wires (11) of the UTP cable (10A) are arranged to be proximate in a width direction by being accommodated into accommodating portions (26) of a UTP dielectric (22A) proximate in the width direction. STP connection terminals (21B) to be connected to respective wires (11) of the STP cable (10B) are farther apart in the width direction than the UTP connection terminals (21A) by being accommodated in accommodating portions (26) of an STP dielectric (22B) spaced apart in the width direction. The UTP connection terminals and the STP connection terminals are set such that protrusions (34) projecting out from box portions (27) in a common direction when accommodated in the accommodating portions (26).

Abstract: A relay device performs relay processing of relaying data between a plurality of function units mounted on a vehicle and includes a counting unit that counts each of the numbers of relayed packets that are the numbers of packets relayed to respective target function units being the plurality of function units of a same type in the relay processing and a detection unit that monitors a count value of the numbers counted by the counting unit and detects unauthorized communication with the target function units based on a maximum value and a minimum value of the numbers of relayed packets counted by the counting unit.

Abstract: A connection unit includes: a first terminal; a second terminal; a third terminal; a first switch part and a second switch part connected in series between the first terminal and the second terminal; a first diode; and a second diode, wherein the third terminal is connected between the first switch part and the second switch part that are connected in series, the flow of electricity in one direction between the third terminal and at least one of the first terminal and the second terminal is enabled and the flow of electricity in the direction opposite to the one direction is interrupted, by at least one of the first switch part and the second switch part is turned off, and flow of electricity between the first terminal and the second terminal is interrupted in both directions by the first switch part and the second switch part being turned off.

Abstract: A power storage unit 1 in which a power storage element is housed in a metal case and which is to be attached to a vehicle via a metal bracket includes a holder that holds the power storage element within the metal case, a bracket receiving portion that is provided in the holder and is to be engaged with the bracket and transmit the load of the holder and the power storage element to the bracket, and a connection piece that is provided in the metal case and is to come into contact with the bracket and electrically connect the metal case to the bracket.

Abstract: A power supply apparatus for vehicles includes a first power supply circuit that converts a voltage applied to a first conductive path and applies the resulting voltage to a second conductive path, and second power supply circuits that convert a voltage applied to the first conductive path and apply the resulting voltage to third conductive paths, and switch portions are provided respectively between the second conductive path and the third conductive paths. Control units switch switch portions off when at least one of the first power supply circuit and the second conductive path is not in the predetermined abnormal state, and switch the switch portions on in the predetermined abnormal state.

Abstract: A circuit device includes a first conductive plate and a second conductive plate each having a belt-shaped portion arranged side-by-side with each other, a third conductive plate having a belt-shaped portion is arranged side-by-side with and spaced apart from the other side portion of the first conductive plate, a first circuit component having a first terminal connected to the first conductive plate and a second terminal connected to the second conductive plate, a second circuit component having a first terminal connected to the first conductive plate and a second terminal connected to the third conductive plate, a first external connection portion provided at the belt-shaped portion of the first conductive plate, and a second external connection portion provided at the belt-shaped portion of the second conductive plate or a third external connection portion provided at the belt-shaped portion of the third conductive plate.

Abstract: An electrical junction box includes: a circuit board to which an electronic component is connected; and a frame positioned with respect to the circuit board. The frame integrally includes a sub frame that surrounds at least part of a periphery of the electronic component. The sub frame is provided with a holding portion that holds the electronic component in the holding portion.

Abstract: In a protection circuit, a signal line group includes a plurality of voltage signal lines, and the voltage signal lines are connected to electrode portions of a plurality of unit batteries or electrode portions of a battery module. A first protection circuit portion includes a plurality of Zener diodes, and the Zener diodes are connected in parallel to the unit batteries between the plurality of voltage signal lines. A resistor portion group includes a plurality of resistor portions, and the resistor portions are interposed between the Zener diodes and the unit batteries on the voltage signal lines and restrict a current. A second protection circuit portion includes a plurality of varistors, and the varistors are connected in parallel to the unit batteries between the plurality of voltage signal lines.

Abstract: Provided is a wiring module with a reduced weight. The wiring module is a vehicle-mounted wiring module that includes a conductor plate formed from a conductor that supplies power from an electricity storage device to an electric device. The wiring module includes a flat, conductive first conductor plate, a flat, conductive second conductor plate, and a conductive first coupling member. The first conductor plate has a first cross-sectional area. The second conductor plate has a second cross-sectional area smaller than the first cross-sectional area is, and is to be connected to the first conductor plate. The first coupling member couples the first conductor plate and the second conductor plate to each other.