Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Honda Motor Co., Ltd.

Hiroshi Shimizu

Hitoshi Takeda

Ryouya Okamoto

Ryoya Okamoto

Hiroki Hirai

Tetsuji Tanaka

Tomoki Idota

Hiroomi Hiramitsu

Yuki Fujimura

Yusuke Isaji

Katsushi Miyazaki

Eiji Koike

Hiroki Itaya

Ken Furusawa

Provided is a fuse-equipped connector including: a housing; a fuse terminal configured to be attached to the housing; a holder configured to be attached to the housing; and a fuse configured to be attached to the holder, and be electrically connected to the fuse terminal, wherein the housing includes a lock portion, and the holder includes a lock receiving portion configured to be elastically locked to the lock portion, the holder includes a fuse accommodating portion in which the fuse is to be removably accommodated, the fuse includes a terminal portion, and the fuse terminal includes a fuse elastic contact portion configured to come into elastic contact with the terminal portion of the fuse.

Fuse-equipped connector, and connector structure

An in-vehicle electric component-internal circuit unit has a novel structure that can reduce the number of in-vehicle electric component-side work processes and reduce in-vehicle electric component size. An in-vehicle electric component-internal circuit unit includes: an insulative holder that holds circuit members; a wire harness that includes a coated wire, a circuit-side connection portion that is provided on an end portion on one side of the coated wire, a connector that is provided on an end portion on the other side of the coated wire, and a grommet through which the coated wire passes; a plate wall portion for covering a housing through-hole provided in a housing of an in-vehicle electric component; and a seal member that is provided on a first surface, which is a surface of the plate wall portion to be attached to the housing and that comes into contact with the rim of the housing through-hole.

In-vehicle electric component-internal circuit unit

A circuit structure includes: an upper case having positioning holes; bus bars that are provided in an inductor disposed in the upper case and that have through holes; terminals that are connected to electric wires and that have bolts disposed thereon that penetrate the through holes; nuts that sandwich the bus bars between the nuts and the terminals by being screwed onto the bolts; and a lower case that is attached to the upper case. The lower case includes: front walls, left walls, and right walls that project upward from the lower case and position the terminals relative to the lower case by coming into contact with the terminals; and case positioning portions that project upward from the lower case and that are inserted into the positioning holes.

Circuit structure

A power supply device disclosed by the present specification includes: a first power storage element group that has a pair of first external terminals having different polarities, and includes a plurality of power storage elements; and a second power storage element group that has a pair of second external terminals having different polarities, and includes a plurality of power storage elements. The first power storage element group and the second power storage element group are arranged adjacent to each other in a front-rear direction, the first external terminals are provided at the front edge on the second power storage element group side of the first power storage element group, and the second external terminalsare arranged to be adjacent to the first external terminals at a rear edge on the first power storage element group side of the second power storage element group.

Power supply device

A terminal block includes a lower bus bar and an upper bus bar that overlap each other at overlap portions and an insulating middle cover disposed between the overlap portion of the lower bus bar and the overlap portion of the upper bus bar. The lower bus bar and the upper bus bar are provided with their respective ones of first to fourth terminals exposed from the middle cover, at positions different from the overlap portions and the first to fourth terminals are disposed at positions radially spaced apart from the overlap portions.

Terminal block and conductive path

Provided is a terminal block that electrically connects a terminal connection portion provided at a terminal end of a covered wire and a device-side connection portion provided in a device to each other, the terminal block including: a contact placement portion on which the terminal connection portion and the device-side connection portion are disposed in contact with each other; a wire installation portion that is provided continuously with the contact placement portion and on which the covered wire is disposed; and a stress relaxation portion that is disposed between the wire installation portion and the covered wire so as to be elastically displaceable, and that bends and holds the covered wire in a state in which a clearance is provided between the covered wire and the wire installation portion.

Terminal block and wire routing unit

A relay unit includes: bus bars serving as conductive paths; relays including contact portions for turning on and off energization of the bus bars, and a plurality of terminals connected to the contact portions, the bus bars being fixed to the terminals; and heat dissipation members that are fixed to the terminals of the relays, receive heat of the terminals, and dissipate the heat.

Relay unit

A conduction path includes: a wire that has a circular cross section and includes a conductive body having an outer periphery covered by an insulating cover; a routing member that includes a routing groove in which the wire is routed; and a cover that is configured to be attached to the routing member and to cover the routing groove, wherein a curved surface having a curvature radius that is larger than the radius of the wire is formed in an inner surface of the routing groove, and in a state in which the cover is attached to the routing member, a distance between the cover and the inner surface of the routing groove in a direction that is perpendicular to an inward surface of the cover is the same length as the diameter of the wire.

Conduction path

An insulating protector attached to one side of a unit cell group includes: two bus bar housing portions, in each of which a plurality of bus bars for connecting adjacent electrode terminals are aligned and housed, and are respectively provided at positions near two lateral side edge portions of the insulating protector extending in a direction in which the bus bars are aligned; and two wire routing grooves that are provided on an inner side of each bus bar housing portion, and in which detection wires drawn from unit cells are routed so as to detect the state of the unit cells. A bus bar cover for covering the closer one of the bus bar housing portions and a wire cover for covering the wire routing groove on the inner side of the closer bus bar housing portion are provided on each lateral side edge portion of the insulating protector.

Wiring module

An ultrasonic welding jig includes: an anvil that supports a plate-like electric cable connection portion of a terminal; and a welding horn that is disposed so as to oppose the anvil, and in which a fitting groove is formed in an opposing surface, the fitting groove being a groove in which a portion of a core wire of an electric cable is fitted. In a state in which the core wire and the electric cable connection portion are clamped between the welding horn and the anvil, ultrasonic welding is performed by ultrasonically vibrating the welding horn in an axial direction of the core wire. In a bottom surface of the fitting groove of the welding horn, a plurality of slippage prevention grooves that are obliquely oriented and intersect an axis of the fitting groove are formed spaced apart in a direction of the axis of the fitting groove.

Ultrasonic welding jig, terminal-equipped electric cable manufacturing method, and terminal-equipped electric cable

Provided is a wiring module to be attached to a power storage element group having a plurality of power storage elements, the wiring module including: bus bars; a plurality of coupling units for holding the bus bars; and a coupling portion for coupling the plurality of coupling units. The coupling portion includes: a locking portion arranged on an end portion of one coupling unit of the plurality of coupling units; and a locked portion that is arranged on another coupling unit adjacent to the one coupling unit and onto which the locking portion of the one coupling unit is to be locked. The locking portion extends in a direction intersecting a coupling direction in which the plurality of coupling units are coupled.

The heat dissipation of a circuit assembly is improved. A circuit assembly includes: a relay that includes a terminal and generates heat when energized/as a result of energization/due to being energized; a base member to which the relay is attached and in which a through hole is formed; a heat dissipation member that is provided on a side of the base member opposite to a side on which the relay is attached; a first busbar that is connected to the terminal of the relay at a position spaced apart from the base member; and a heat transfer member that is inserted into the through hole so as to be movable in a direction along the axial direction of the through hole, and that comes into contact with the first busbar and the heat dissipation member.

Circuit assembly

Provided is a wiring module configured to be attached to a plurality of power storage elements that are arranged side-by-side, the wiring module including a plurality of electric wires, and a plurality of coupling units in which the plurality of electric wires are routed. A left coupling unit of the plurality of coupling units has a left routing portion in which at least one of the plurality of electric wires is routed, and a center coupling unit adjacent to the left coupling unit of the plurality of coupling units has a center routing portion in which at least one of the plurality of electric wires is routed. The left routing portion is provided with a left engagement portion, and the center routing portion is provided with a center engagement receiving portion that engages with the left engagement portion.

A wiring module is for attachment to a power module in which power elements that store or generate electrical power are arranged side-by-side. The wiring module includes: an insulating protector that houses interconnection conductors for interconnecting the power elements; detection wires that are housed in the insulating protector, extend from a side corresponding to the power elements, and detect a state of the power elements; a connector that is provided at an end portion of the detection wires and is arranged inside the insulating protector; and a movement restricting means that is provided in the insulating protector and is for restricting movement of the connector by locking the connector.

Provided is a technique that improves the heat dissipation properties of a wire that is arranged in a conduction path. A conduction path has a wire, a routing member that is made of a metal and has a routing groove in which the wire is routed, a bracket that is made of a metal and has a first mounting portion that is mounted to the routing member and has a second mounting portion that is mounted to an electrical connection box, and a heat transfer member that is made of a synthetic resin having a higher heat conductivity than air and is arranged in the routing groove and interposed between the wire and the routing member, in a region that corresponds to a portion of the routing member to which the first mounting portion is mounted.

Growing community of inventors

Mie, Japan

Hiroshi Shimizu