Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Toyota Jidosha Kabushiki Kaisha

Sumitomo Electric Printed Circuits, Inc.

Hiroki Shimoda

Shinichi Takase

Taiji Yanagida

Hiroki Hirai

Nobuyuki Matsumura

Takuji Otsuka

Junichi Ono

Tetsuji Tanaka

Yoshinori Ito

Masaaki Tabata

Hideo Takahashi

Kenji Okamura

Makoto Higashikozono

Masakuni Kasugai

Masato Tsutsuki

Hiroshi Kobayashi

Hisashi Sawada

Satoshi Morikawa

Takahito Nakashima

Kazuhiro Aoki

Kazumasa Kobayashi

Kazuyuki Nakagaki

Akira Ito

Takuji Ootsuka

Kazuya Komaki

Isamu Hamamoto

Yoshiro Adachi

Shigeru Ogihara

Manabu Sudou

Tsutomu Kitajima

Yuuki Oohashi

Yoshinori Ikai

Yasuhiro Kudou

Hajime Kawase

Yasuo Omori

Yusuke Suzuki

Yuki Ogawa

Eiji Saijo

Hiroomi Hiramitsu

Tomoyuki Sakata

Takuya Inoue

Masahiro Hagi

Yoshifumi Uchita

Takehiro Nakata

Akihiro Nishio

Yoshihiro Maeda

Xueqing Dong

Koichi Matsumoto

Kazuya Tsuchiya

Takayuki Tsumagari

Hideaki Nakajima

Kouichi Nagamine

Fumihiko Ichikawa

Ayaka Asano

Masayuki Ueda

Mikiko Kosaka

Takehito Yoda

Satoshi Morioka

Motoyoshi Okumura

Koushi Igura

Yutaroh Gotoh

Takuro Kikuchi

Daiki Terashima

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.

Circuit assembly

Disclosed is a circuit assembly having a novel structure capable of reducing thermal resistance in a heat-dissipating path and increasing heat dissipation while ensuring insulation between a heat-dissipating portion and a heat-dissipation target. A circuit assembly includes: heat-generating components that generate heat as a result of a current flowing therethrough; a case accommodating the heat-generating components; metal plates connected to connecting portions of the heat-generating components, and each having a heat-dissipating portion exposed to an outside of the case and configured to come into thermal contact with an external heat-dissipation target; insulating films covering a contact surface of the heat-dissipating portion, the contact surface being configured to come into contact with the heat-dissipation target; and a thermal conductive filling member that is in thermal contact with the heat-dissipating portion via the insulating films and disposed between the insulating films and the heat-dissipation target.

A power storage module includes power storage elements having electrode surfaces of positive electrode surfaces and negative electrode surfaces on front and back surfaces thereof, a conductive member electrically connected to the electrode surfaces of the power storage elements, and a wiring module electrically connected to the conductive member. The power storage elements are arranged in an arrangement direction such that the electrode surfaces of the power storage elements that are adjacent to each other are opposed to each other. The electrode surfaces of the power storage elements that are adjacent to each other are electrically connected by the conductive member that is disposed between the power storage elements that are adjacent to each other. The wiring module is disposed between the power storage elements that are adjacent to each other. The conductive member and the wiring module are disposed inside an outline of the power storage elements seen from the arrangement direction.

Power storage module

A connection module includes a FPC, bus bars connected to the FPC and connecting the electrode terminals of power storage elements that are adjacent to each other, and a resin protector holding the bus bars and the FPC. The FPC includes a FPC body member and a first deformable portion that connects the FPC body member and the bus bars. The resin protector includes a FPC holding portion to which the FPC body member is fixed, movable bus bar holding portions to which the bus bars are fixed, respectively, and second deformable portions that connect the FPC holding portion and the movable bus bar holding portions. The first deformable portion and the second deformable portion connect the bus bars and the movable bus bar holding portions to the FPC body member and the FPC holding portion, respectively, such that the bus bars and the movable bus bar holding portions are movable with respect to the FPC body member and the FPC holding portion.

Connection module

An inter-terminal connection structure including a plurality of terminal portions and a conductive component electrically connecting the plurality of terminal portions. The conductive component includes a conductive member having a plurality of connection portions fastened to the respective terminal portions in a connected state. The connection structure also includes a case having insulation properties while accommodating the conductive member, an insulating terminal portion cover covering at least one of the terminal portions, a terminal portion opening window provided to the terminal portion cover to partially expose the terminal portion, and a connection-portion-side relay portion provided to the connection portion fastened to the terminal portion covered by the terminal portion cover, and projecting to an outside of the case and inserted through the terminal portion opening window to be connected to the terminal portion.

Inter-terminal connection structure

A wiring moduleis included in a power storage moduleincluding a plurality of power storage elementseach having electrode terminalsA andB and is connected to the power storage elements. The wiring moduleincludes a flexible FPCA including a first conductive pathand a circuit boardincluding a second conductive path that is electrically connected to the first conductive path. The FPCA includes a main body portionand a circuit connecting portionthat extends from the main body portionand is overlaid on the circuit board. The first conductive pathincludes a first landA included in the circuit connecting portion. The second conductive path includes a second landA that is electrically connected to the first landA. The connected portion between the first landA and the second landA is covered by a covering portionconstituted by a resin having insulating properties.

Substrate connection structure and vehicle wiring module

The wire harness includes a base film having flexibility, a cover film covering the base film and having flexibility, and electric wires disposed between the base film and the cover film. The electric wires include first end sections that extend outside the base film and the cover film and second end sections that extend outside from the base film and the cover film from an opposite side from the first end sections. The base film and the cover film include welding portions at which the base film and the cover film are joined with welding.

Wire harness for power storage module, and method of producing wire harness

A connection module includes a FPC and bus bars connected to the FPC and connecting the electrode terminals of power storage elements that are adjacent to each other. The FPC includes a first wiring portion, a second bus bar mount portion, and a third bus bar mount portion to which the bus bars are connected. The FPC further includes a second expandable/contractable portion and a third expandable/contractable portion. The second expandable/contractable portion is continuous from the second bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the first wiring portion and the third bus bar mount portion. The third expandable/contractable portion is continuous from the third bus bar mount portion and allowed to be expanded and contracted in a direction to be closer to and farther away from the second bus bar mount portion.

A flexible printed circuit board including a terminal includes a flexible printed circuit board that includes an electrically conductive line and the terminal soldered to the flexible printed circuit board. The flexible printed circuit board includes a land and a soldering restricting section. The land is electrically connected to the electrically conductive line and has a metal surface and is soldered to the terminal. The soldering restricting section has a non-metal surface and is not soldered to the terminal. The terminal includes an overlapping section and a protrusion section. The overlapping section overlaps the land and is soldered to the land and includes a removed section that is formed in such a manner that a portion is partially removed in a predefined area. The protruding section is continuous from the overlapping section and protrudes to an area that does not overlap the flexible printed circuit board.

Flexible printed circuit board including terminal, wiring module, and power storage module

A flexible printed circuit board includes an electrically conductive line and a land that is connected to the electrically conductive line and to be connected to a terminal. The land includes soldering portions that have metal surfaces and to which the terminal is to be soldered. A dividing section is between the soldering portions and the dividing section has a non-metal surface and defines each of the soldering portions that are adjacent to each other.

Flexible printed circuit board, wiring module, flexible printed circuit board including terminal, and power storage module

A connection module includes an FPC and a plurality of bus bars. The plurality of bus bars constitute a first bus bar row disposed along one long side of the FPC, and a second bus bar row disposed along the other long side of the FPC. The FPC includes tolerance absorbing portions each including a slit and a pair of deflection portions disposed with the slit interposed therebetween, and is divided into a plurality of wiring portion by the tolerance absorbing portions. The pair of deflection portions constituting the first tolerance absorbing portion can be deflected in a direction in which the two wiring portions that are adjacent to each other with the first tolerance absorbing portion interposed therebetween move toward and away from each other. The same description also applies to the second tolerance absorbing portion.

An electrical connection box for installation in a vehicle includes a bus bar to electrically and thermally interconnect a plurality of electrical components electrically connected to a power storage device or in-vehicle load installed in the vehicle, a casing to house the plurality of electrical components and the bus bar, and an insulating heat dissipation member thermally connected to the bus bar and the casing, with at least two of the plurality of electrical components being disposed adjacent to each other, and the bus bar dissipating heat from the two electrical components via the heat dissipation member.

Electrical connection box

Provided is a circuit structure having a novel structure that allows heat from a heat-generating component to be dissipated more efficiently. A circuit structure includes: a heat-generating component that generates heat when energized; energization bus bars that are connected to connection portions of the heat-generating component; cooling members that are formed separately from the energization bus bars, and are connected to the connection portions of the heat-generating component along with energization bus bars, and the heat-transfer portions that are provided in the cooling members, and are in heat-conductive contact with a heat-dissipating body.

Circuit structure

A configuration is adopted in which a terminal module includes a voltage detection terminal having a terminal connection part connected to an electrode terminal and a wire connection part connected to a wire, and a protector housing at least part of the voltage detection terminal, with two liquid draining parts each including a first extension part extending downward in the direction of gravity being provided between the terminal connection part and the wire connection part in the voltage detection terminal, and the protector having a housing part housing the liquid draining parts and accumulating liquid that travels along the first extension part.

Terminal module

A power storage component module includes power storage components and a bus bar connecting the power storage components to one another. At least one positioning boss is provided on an electrode included in the power storage components. The at least one positioning boss protrudes upward. The at least one positioning boss includes a base end and a distal end having a diameter less than a diameter of the base end. At least one through hole opens in the bus bar. The bus bar is placed on the at least one positioning boss and a hole edge of the at least one through hole is disposed around the at least one positioning boss between the base end of the at least one positioning boss and the distal end of the at least one positioning boss in a vertical direction.

Power storage component module

Growing community of inventors

Yokkaichi, Japan

Hiroki Shimoda