Abstract: Provided is a power supply control device. The power supply control device includes a plurality of semiconductor switches that are connected in parallel between two power sources and control the supply of power to a load that is connected to the two power sources via the plurality of semiconductor switches, the power supply control device including a temperature detection unit that detects a rise of temperature due to heat that is produced from at least one of the plurality of semiconductor switches, and a switching control unit that executes control that switches the plurality of semiconductor switches from OFF to ON if the temperature detection unit detects a temperature that is at least a threshold temperature.

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: Provided is a circuit assembly that can prevent a switching element from overheating. Included is a first conductive portion that is plate-shaped and elongated in one direction, a second conductive portion that is plate-shaped, elongated along a lengthwise direction of the first conductive portion, and is arranged to be separated from the first conductive portion by a predetermined distance, and a plurality of switching elements that are arranged straddling the first conductive portion and the second conductive portion, and are lined up in the lengthwise direction, wherein width of the first conductive portion or the second conductive portion at one end portion in the lengthwise direction is different from a width at the other end portion in the lengthwise direction.

Abstract: Provided is a reactor that can prevent a temperature sensor from being attached to a wound portion of a coil in a wrong direction. The reactor includes a temperature sensor having a sensor main portion attached to an outer peripheral surface of a wound portion and a wire extending from the sensor main portion. A sensor housing portion houses the sensor main portion. The sensor main portion has a detection surface facing the wound portion and a projecting portion protruding from a back surface of the sensor main portion opposite of the detection surface. The sensor housing portion has a pair of side wall portions opposing respective side surfaces of the sensor main portion. A height of a portion of the sensor main portion that has the projecting portion is larger than a width of that portion and larger than the distance between the side wall portions.

Abstract: An on-board update device and an on-board update system provided herein may prevent a decrease in the electric power charged in the battery caused by an update. An on-board update device has an update processing unit configured to update a program stored in a storage unit of a communication device. The on-board update device includes: an update information acquisition unit; a required electric power estimation unit; and a battery level acquisition unit acquires an amount of electric power charged in the battery. The update processing unit performs an update process in consideration of the amount of electric power estimated by the required electric power estimation unit, the amount of electric power acquired by the battery level acquisition unit, and a priority level of the update program or data acquired by the update information acquisition unit.

Abstract: A power supply control apparatus controls power supply via a semiconductor switch, by a driving circuit turning ON or OFF the semiconductor switch. A current circuit pulls in a current from the drain of the semiconductor switch via a resistance. The current value Ic of the current that is pulled in by the current circuit fluctuates in the same direction as a fluctuation direction of the ON resistance value of the semiconductor switch, depending on the ambient temperature of the semiconductor switch. If the source voltage of the semiconductor switch is lower than a voltage at the other end of the resistance, the driving circuit turns OFF the semiconductor switch.

Abstract: A fixing structure of a splice part includes a plurality of electrical wires each having a splice part and mutually connected and a sheet material to which the splice part is fixed. For example, the fixing structure of the splice part is considered to have a portion of the plurality of electrical wires fixed to the sheet material in addition to the splice part.

Abstract: Power storage modules and BM includes: a plurality of power storage elements; a circuit board that is configured to connect the power storage elements; a case that is made of a metal and is configured to house the power storage elements; and holding members and that are configured to hold the power storage elements, wherein the holding members include: the cap into which the power storage elements are to be fit; the fixing portion that is configured to be fixed to the case; and the resin elastic portion that is provided so as to be able to elastically expand and contract between the cap and the resin elastic portion, and is constituted by a resin.

Abstract: A covered electric wire comprises an insulating coating layer on the outer side of a conductor. The conductor comprises a copper alloy consisting of: not less than 0.05% by mass and not more than 2.0% by mass of Fe; not less than 0.02% by mass and not more than 1.0% by mass of Ti; not less than 0% by mass and not more than 0.6% by mass of Mg; and the balance being Cu and impurities. The covered electric wire is a stranded wire comprising a plurality of copper alloy wires stranded together. The plurality of copper alloy wires each have a work hardening coefficient of not less than 0.1 and a wire diameter of not more than 0.5 mm.

Abstract: A fixing structure of the wiring member fixes the wiring member to the silencer disposed in a vehicle. The silencer includes an inserted part with one surface as an insertion surface crossing a main surface. The wiring member is disposed along the main surface of the silencer. The wiring member is fixed to the silencer by a fixing member. The fixing member includes an insertion part inserted into the inserted part from the insertion surface and an insertion state maintaining part maintaining a state where the insertion part is inserted into the inserted part.

Abstract: A wiring member includes a flat wiring body and a protection sheet material partially fixed to at least one main surface of the wiring body in a plurality of positions at intervals. For example, it is considered that the wiring body includes a sheet-like base material and a plurality of wire-like transmission members disposed on one main surface of the base material, and the protection sheet material is partially fixed to the other main surface of the base material.

Abstract: A communication device comprises a connector to which a communication line is to be connected for sending and receiving a control signal concerning charge control between a transportation apparatus and a charging apparatus, a modem outputting a modulated signal obtained by modulating information to be sent and demodulating the modulated signal input, and a first internal communication line and a second internal communication line each being connected to the connector and the modem, the first internal communication line and the second internal communication line respectively being for sending the modulated signal and being for receiving the modulated signal, and sends and receives the modulated signal by superposing the modulated signal on the control signal.

Abstract: The present disclosure provides a configuration that can determine whether to suppress the power consumption of a load based on the state of a battery, and reduce the duty ratio to be supplied to a switch unit that is provided on a power supply path to the load, when the power consumption is to be suppressed. In an on-board power control apparatus, when a determination unit determines that a prediction value of an output voltage of a battery is less than a threshold voltage value, a duty ratio setting unit selects at least one of the plurality of loads as a target load for which power supply is to be stopped or suppressed, and the duty ratio setting unit resets duty ratios to reduce a duty ratio of a control signal to be output to a switch unit provided on a power supply path to the selected target load.

Abstract: With a power supply control device, if semiconductor switches of a switch circuit are on and a relay contact is off, a controller determines whether or not a switch electric current detected by an electric current sensor is at least a threshold. If the controller has determined that the switch electric current is at least the threshold, then an electric current supply unit switches on the relay contact, and a drive circuit switches off the semiconductor switches. The controller changes the above-described threshold in accordance with the length of the lapse of time from when an electric current flows through the switch circuit.

Abstract: A cycle setting unit of a signal generating circuit varies a set cycle value. A first determining unit determines a first ON time on the basis of: a first duty ratio obtained by correcting, with a correction value, a ratio between a target ON time and a reference cycle; and a set cycle value. A second determining unit determines, as a second ON time, a setting candidate value that is close to the first ON time. A generating unit generates a PWM signal reflecting the set cycle value and the second ON time. A third determining unit determines the correction value that is to be used next time by the first determining unit, on the basis of the target ON time, the reference cycle, the correction value of the previous time, the set cycle value, and the second ON time.

Abstract: A terminal module (10) has a metal case (20) with a ceiling wall (21), a bottom wall (51) facing the ceiling wall (21), opposed side walls (23) extending from the ceiling wall (21) toward the bottom wall (51) and retaining pieces (24). A coil spring (40) is sandwiched between the ceiling wall (21) and the bottom wall (51). The retaining pieces (24) face each other in a direction perpendicular to a facing direction of the side walls (23) and project toward the bottom wall (51) from the periphery of the ceiling wall (21). The side walls (23) and the retaining pieces (24) are disposed alternately on the periphery of the ceiling wall (21). A spring receiving portion (26) formed by the ceiling wall (21), the side walls (23) and the retaining pieces (24) receives an end part of the coil spring (40) on the side of the ceiling wall (21).

Abstract: A connector includes terminals and shield members respectively supported in a housing, and protection caps. The terminal is in the form of a flat plate extending in an assembling direction D with a mating connector and has a contact point with a mating terminal of the mating connector on a plate surface of the terminal. The shield member surrounds the terminal to face the terminal in a direction orthogonal to the assembling direction D. The protection cap includes a front covering portion for covering a front end part in the assembling direction D of the terminal and locking claws locked to the shield member, and is fixed to the shield member by locking of the locking claws. The connector 10 is coupled to the mating connector with the protection caps fixed to the shield members and front end parts of the terminals covered by the front covering portions.

Abstract: A wire harness includes: an electrical wire including a core wire and an insulating covering for covering the core wire; and a sheet material in which the electrical wire is disposed on a resin main surface, and a part of the main surface having contact with the electrical wire is welded to the insulating covering of the electrical wire, thereby forming an electrical wire fixing part. A largest thickness dimension in the electrical wire fixing part in the sheet material is formed larger than a thickness dimension in a part of the sheet material where the electrical wire is not disposed.

Abstract: An aluminum alloy contains equal to or more than 0.005 mass % and equal to or less than 2.2 mass % of Fe, and a remainder of Al and an inevitable impurity. In a transverse section of the aluminum alloy wire, a surface-layer void measurement region in a shape of a rectangle having a short side length of 30 ?m and a long side length of 50 ?m is defined within a surface layer region extending from a surface of the aluminum alloy wire by 30 ?m in a depth direction, and a total cross-sectional area of voids in the surface-layer void measurement region is equal to or less than 2 ?m2.

Abstract: A power supply control apparatus includes: a semiconductor switching element switched with PWM control; a PWM signal output unit outputting a PWM signal; a current circuit outputting a current related to a current flowing through the semiconductor switching element; a filter circuit converting the current that is output from the current circuit to a voltage; an overcurrent protection circuit turning off the semiconductor switching element based on a voltage value of the voltage filtered by the filter circuit; a voltage detection unit detecting the voltage value of the voltage at a timing near an end of a pulse of a PWM signal; a temperature estimation unit estimating, a temperature of an electric wire through which a current flows that also flows through the semiconductor switching element; and an electric wire protection unit turning off the semiconductor switching element based on the temperature estimated by the temperature estimation unit.