Abstract: A circuit assembly includes: a relay; a case that houses the relay; and a bus bar including a fastening part configured to be fastened to a connection part of the relay, and a heat transfer part configured to be in thermally conductive contact with an external heat dissipation target, wherein the relay includes an excitation connector part that is provided on a side surface of the relay, and that is open in a direction opposite to a direction in which the connection part is open, the fastening part of the bus bar protrudes upward from the heat transfer part disposed on a bottom wall side of the case so as to be inclined at an angle larger than 90°, and the excitation connector part of the relay in which the connection part connected to the fastening part of the bus bar is open obliquely upward.

Abstract: An electrical junction box includes: a branch circuit assembly that distributes battery power to various devices; a housing that accommodates the branch circuit assembly; an opening portion extending through a side wall of the housing; a lid that closes the opening portion; and a plurality of external connection connectors that are fitted to through-holes extending through the lid and protrude from an outer surface of the lid, in which the branch circuit assembly is fixed to an inner surface of the lid, a plurality of connection portions provided in the branch circuit assembly are connected to connection terminals of the corresponding external connection connectors, and an external connection connector module includes the plurality of external connection connectors, the lid, and the branch circuit assembly.

Abstract: A wiring member includes: a base member; a transmission wire body; and a wire-like transmission member having a covering provided around the transmission wire body, wherein the wire-like transmission member includes a fixing region fixed to the base member and a separating region separated from the base member, and a thermal conductive layer having more favorable thermal conductivity than the covering is formed on an outer periphery of the covering in the separating region.

Abstract: A wiring member includes an electrical wire, a metal sheet, and a fixing resin part having resin as a main component, and the fixing resin part fixes the electrical wire to the metal sheet.

Abstract: A wiring member includes: a base member including a base sheet member and a cover sheet member; and a wire-like transmission member fixed to the base member, wherein the cover sheet member is overlapped with the base sheet member while covering the wire-like transmission member, a side part of the base sheet member and a side part of the cover sheet member are joined via a joint part, and an edge of at least one of the base sheet member and the cover sheet member is located on an outer side of the joint part.

Abstract: Provided is a wiring module configured to be attached to a plurality of power storage devices having electrode terminals. The wiring module includes: a plurality of busbar units: and wires connected to the busbar units. Each of the busbar units includes: a busbar connected to the electrode terminals; a circuit board, and a fixing means that fixes the circuit board to the busbar. A conductive path is routed on the circuit board, and the conductive path includes: a connection land electrically connected to the busbar; a wire land connected to the corresponding wire; and a chip fuse provided between the connection land and the wire land.

Abstract: A circuit assembly that dissipates heat with improved efficiency compared to a conventional structure while securing waterproofing is disclosed. The circuit assembly includes a case including an opening hole in a bottom portion thereof, a heat generating component that is housed inside the case, is exposed to the outside from the opening hole, and is in thermal contact with an external heat dissipator, and an annular sealing member that is disposed at a peripheral edge portion of the opening hole and is interposed between the case and an attached member that is attached to the case.

Abstract: Provided is a circuit board on which an electronic component including a first terminal and a second terminal that are arranged side by side is to be mounted, the circuit board including: an insulating holding member, a conductive plate, and a signal circuit, in which the conductive plate is held by the holding member, the first terminal is joined to the conductive plate, the signal circuit is formed on a surface of the holding member using conductive nanoink containing a flux, and an end portion of the signal circuit and the second terminal are joined to each other using solder.

Abstract: A wiring member includes: a plurality of wire-like transmission members; a sheet to which the plurality of wire-like transmission members are fixed to be arranged side by side; and a level difference absorption member provided on an outer side of the sheet, wherein the sheet includes a first sheet covering the plurality of wire-like transmission members from one side and a second sheet covering the plurality of wire-like transmission members from another side, the level difference absorption member is provided on an outer side of the second sheet, and the level difference absorption member is provided to be able to absorb a level difference caused by a level difference formed on an outer surface of the second sheet when an outer surface side of the level difference absorption member is vacuum-sucked.

Abstract: A reactor includes an assembly of a coil and a magnetic core; a case; and a sealing resin portion filling the case and sealing at least a portion of the assembly. The case has an inner bottom surface, and a pair of coil facing surfaces that face side surfaces of the coil. The pair of coil facing surfaces have inclined surfaces that incline away from each other in a direction from the inner bottom surface side to an opposite side to the inner bottom surface. The coil includes a first winding portion disposed on the inner bottom surface side, and a second winding portion disposed opposite of the inner bottom surface with respect to the first winding portion. The first winding portion and the second winding portion are in a vertical arrangement and are parallel with each other. The second winding portion is wider than the first winding portion.

Abstract: A wiring module that is attached to a plurality of power storage elements, including: a circuit board; an electric wire; and a protector configured to hold the circuit board and the electric wire, wherein a conductive path is routed on the circuit board, and the conductive path includes a connection land that is electrically connected to an electrode terminal of a power storage element among the plurality of power storage elements, an electric wire land that is connected to one end of the electric wire, and a fuse portion provided between the connection land and the electric wire land.

Abstract: An apparatus module includes: a rigid member disposed in an in-roof space between a roof panel and an interior member in a vehicle to be fixed to the roof panel; and an apparatus fixed to the rigid member. The rigid member is provided with a heat receiving part having contact with the apparatus to receive heat from the apparatus and a heat radiation part radiating heat received by the heat receiving part, the heat receiving part and the heat radiation part are provided in positions away from each other in a surface of the rigid member, and heat is transferred from the heat receiving part to the heat radiation part via a heat transfer path connecting the heat receiving part and the heat radiation part in the rigid member.

Abstract: A hot melt block 20 that is assembled at a portion where an insulating sheath 16 of a cable 10 in which a plurality of electric wires 11 and 12 are collectively surrounded by the insulating sheath 16 is removed and the electric wires 11 and 12 are drawn out, and that is melted through heating. The hot melt block 20 includes: an insertion portion 21 that can be inserted between the electric wires 11 and 12 surrounded by the sheath 16; and a spacer 24 that is fixed to the insertion portion 21, and is disposed between the electric wires 11 and 12 at the portion where the electric wires are drawn out.

Abstract: A female connector to be connected to an end part of such a shielded cable is provided with female terminals to be connected to cores, an insulating dielectric, a first outer conductor including a tubular portion, a connection plate portion to be overlapped on the braided wire and a first coupling portion coupling the tubular portion and the connection plate portion, and a second outer conductor including a rear crimping portion and the connection plate portion from outside the braided wire and the connection plate portion, a front crimping portion to be connected to the tubular portion from outside the tubular portion and a second coupling portion. The outer peripheries of the cores are surrounded by the first and second coupling portions with the second coupling portion at least partially overlapped on the outside of the first coupling portion.

Abstract: An arrangement structure of a wiring member includes: a wiring member including a plurality of wire-like transmission members parallelly arranged and a base keeping the plurality of wire-like transmission members in a state of being arranged side by side; and an arrangement target of the wiring member, wherein a slit extending along a longitudinal direction of the plurality of wire-like transmission members is formed in a portion of the base between the plurality of wire-like transmission members.

Abstract: A connector in the present disclosure is a connector to be connected to a cable and including an inner conductor, an outer conductor and a housing. The outer conductor includes a tubular connecting tube portion and a covering portion. The connecting tube portion accommodates the inner conductor while being electrically insulated from the inner conductor. The covering portion is arranged on an outer periphery of the connecting tube portion. The covering portion includes a fitting hole. An accommodating portion of the housing accommodates the outer conductor together with the inner conductor. An inner wall of the accommodating portion is formed with a terminal locking portion to be fit into the fitting hole. The covering portion includes a locked portion to be locked to the terminal locking portion. The locked portion projects toward the inner wall provided with the terminal locking portion on an opening edge of the fitting hole.

Abstract: An in-vehicle relay apparatus provided on a roof of a vehicle includes: a first connector connected to a power line and a communication line provided on one pillar of the vehicle; a second connector to which a power line and a communication line provided on a different pillar are connected; a branch line connector to which power lines and communication lines extending from a plurality of in-vehicle devices provided on the roof are connected; a branching portion branching a single wire system into power lines connected to the branch line connector, the single wire system being a system in which the power lines respectively connected to the first connector and the second connector are integrated into one system; and a relay unit relaying data passing between the communication lines connected to the first connector and the second connector and the communication lines connected to the branch line connector.

Abstract: A roof interior member is a roof interior member covering a roof panel of a vehicle from a side of a vehicle interior and including a plurality of segmented roof interior members, wherein the plurality of segmented roof interior members form a continuous body continuously formed in a state of extending in different regions in the roof panel to have a shape of covering the roof panel from the side of the vehicle interior.

Abstract: A terminal block unit including: a terminal block; a case having the terminal block disposed thereinside, wherein: the terminal block includes a bus bar, a connection terminal that is separate from the bus bar, and a main body that holds the bus bar and the connection terminal, and the case has an access hole that enables access to the bus bar; and a cover that closes the access hole, wherein: the cover includes a connector disposed inside the cover, and the connector includes a conductive terminal configured to be electrically connected to the connection terminal.

Abstract: An on-board relay apparatus includes: a relaying unit configured to relay information between a plurality of on-board apparatuses belonging to mutually different virtual local area networks (VLANs); a detecting unit configured to detect that the on-board apparatuses have transitioned to a sleep state; and a notifying unit configured to, if it is detected by the detecting unit that a first on-board apparatus among the plurality of on-board apparatuses has transitioned to the sleep state, provide a second on-board apparatus among the plurality of on-board apparatuses with a sleep notification indicating that the first on-board apparatus has transitioned to the sleep state.