Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Sumitomo Electric Industries, Limited

Nissan Motor Company Limited

Sumioto Electric Industries, Ltd.

Ryoya Okamoto

Hiroki Hirai

Hiroomi Hiramitsu

Hiroshi Shimizu

Masakuni Kasugai

Hitoshi Takeda

Osamu Nakayama

Shinichi Takase

Yuki Fujimura

Hiroyoshi Maesoba

Katsushi Miyazaki

Koji Yamaguchi

Taiji Yanagida

Yusuke Isaji

Mitsutoshi Morita

Ken Furusawa

Yasuhiro Suzuki

Tetsuji Tanaka

Yasuyuki Otsuka

Kensaku Takata

Takehiro Hosokawa

Tomoyuki Sakata

Takeshi Aizawa

Toshiyuki Motohashi

Ryoma Uegaki

Akiko Inoue

Kazumasa Kobayashi

Yuko Kinoshita

Tatsuya Higashino

Tomotaka Kurozu

Kazuyuki Nakagaki

Katsutoshi Saijo

Provided is a circuit assembly including: a main relay that is to be electrically connected between a load and a battery; a pre-charge circuit connected in parallel with the main relay; and a heat transfer member, wherein the pre-charge circuit includes current-carrying portions that are to be connected to the main relay, and the heat transfer member and the current-carrying portions are in contact with each other.

Circuit assembly

A vehicle mounting structure including: a vehicle frame having a floor panel mounted thereabove; and a power storage device assembled under the vehicle frame, wherein: a protrusion is arranged in the power storage device that can be vertically fitted into a recess in the vehicle frame, and a plurality of electrical wires are arranged inside the protrusion arranged in the power storage device.

Vehicle mounting structure for power storage device

A wire harness routing member that routes a plurality of electric wires in a vehicle, the wire harness routing member including: a base plate that is arranged below a floor panel of a passenger compartment; and a wire harness having the plurality of electric wires fixed to the base plate, wherein at least one electric wire out of the plurality of electric wires is a continuous electric wire with a first end extending from a surface of the base plate or an edge of the base plate and being arranged in a front space of the vehicle or a rear space of the vehicle, and a second end extending from the edge of the base plate and being arranged in the front space of the vehicle or the rear space of the vehicle.

Wire harness routing member with continuous wire extending from a base plate and arranged in a front or rear space of vehicle

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

Provided is a power supply apparatus that can be disposed below a floor panel of a vehicle, including: a wiring structural body that is disposed below the floor panel, and is routed such that a first high-voltage wire harness, a second high-voltage wire harness, and a low-voltage wire harness extend along the wiring structural body; a high-voltage electricity storage device disposed below the wiring structural body; a first low-voltage electricity storage device and a second low-voltage electricity storage device that are disposed below the wiring structural body; and a 100-V charger, a first DC/DC converter, and a second DC/DC converter that are disposed below the wiring structural body.

Power supply apparatus and vehicle

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

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

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.

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.

An electricity storage module includes a layered object obtained by layering power storage elements each having positive and negative foil-shaped lead terminals that project in an outward direction from an end portion, and connection members that connect the lead terminals of adjacent power storage elements to each other. An insulating holding member is arranged between the layered object and the connection members. Connection member holding portions that hold the connection members are provided on the insulating holding member, and slits are provided on the insulating holding member so as to extend along edge portions of the connection members. The lead terminals are connected to the connection members by being inserted through the slits and folded over onto the connection members.

Electricity storage module

An electricity storage module unit that can improve installation work efficiency, and that can be used to build an electricity storage pack that is versatile in terms of installation. An electricity storage module unit is provided with an electricity storage module that includes a plurality of electricity storage elements, and the electricity storage module unit includes: a wiring member that is connected to the electricity storage module; a wiring connection part that connects the wiring member to the wiring member of another electricity storage module unit or to an external electrical component; and a unit base plate on which the electricity storage module is mounted. The unit base plate has a plurality of routing grooves that allow the wiring member to be routed such that a direction in which the wiring member is routed is changeable.

Electricity storage module and electricity storage pack

A cell connection assembly includes a first unit holding one side in a connection direction of a long connection member, and a second unit holding the other side in the connection direction of the long connection member. The first unit and the second unit are configured to be slidable and movable with respect to the long connection member in the connection direction of the long connection member. Even when there is a dimensional error between a plurality of electric cells and the cell connection assembly attached thereto, positions of the first unit and the second unit relative to each other can be changed with the long connection member in response to the dimensional error.

Cell connection assembly

A connector () includes a connecting member () with a main body portion () for connecting adjacent electrode terminals (A,B) of a plurality of battery cells () including positive and negative electrode terminals (A,B) and a first terminal () extending from the main body portion (), a battery-side connector housing () accommodating the first terminal (), a wire-side connector housing () to be connected to the battery-side connector housing () and an end part of a wire (, and a fuse () arranged in the battery-side connector housing () to electrically connect the first terminal () and the wire ().

Growing community of inventors

Yokkaichi, Japan

Ryoya Okamoto