Toyota Jidosha Kabushiki Kaisha

Yazaki Corporation

Sumitomo Wiring Systems, Limited

Sanyo Electric Co., Ltd.

Takenori Tsuchiya

Hiroki Nagai

Masahide Hikosaka

Yoshiaki Ichikawa

Tomohiro Ikeda

Takahiro Suzuki

Yusuke Suzuki

Shigeyuki Ogasawara

Ko Watanabe

Shigeki Matsumoto

Hiroyuki Kato

Hideki Inoue

Hiroyuki Matsuoka

Yutaro Okazaki

Takao Shoji

Shigeyuki Inoue

Michio Ota

Koji Koizumi

Yuki Ohira

Shinsuke Azuma

Yoshimasa Tanuma

Ayumu Ohira

Shinichi Yanagihara

Yoshiaki Kikuchi

Yasuhiro Suzuki

Masataka Yamamoto

Eiji Okutani

Katsunori Sato

Yasumitsu Omi

Toshihiro Takada

Hiroyuki Inoue

Kimitoshi Makino

Hiraku Tanaka

Atsushi Yamanaka

Kazuhiko Nakashima

Motoo Nojima

Masaaki Sugiyama

Tetsuro Saimoto

Shinichirou Yoshida

Koichi Nagamine

Kenji Kinezuka

Yasutaka Miyazaki

Yusuke Katayama

Akito Toyama

Tetsuya Ishihara

Hajime Oyanagi

Shogo Yoneda

Takao Syouji

Akihito Shibuya

Takafumi Mori

Toyotaka Maeda

Takashi Tokunaga

Shinji Wakao

Yoh Matsui

Koji Haneda

Ryuichi Oomuta

Tetsuo Watanabe

Yosuke Maruta

Kazuhiro Nakamura

Mikio Katashima

Shinya Matsurra

A connector unit comprises: a connector that has terminals connected to terminal parts of electric wires, and a housing that holds the terminals; and a cylindrical connector cover that is formed from an elastic material and that covers the housing. The connector cover has an annular seal part provided at a position at which it is possible to contact a mating connector-side surface in a fitted state with the mating connector.

Connector unit, wire harness, and connector fitting structure

A connector unit comprises: a connector having terminals connected to the terminal parts of wires, and a housing for holding the terminals; and a cylindrical connector cover that is made of an elastic material and that covers the housing. The connector has a connector position guarantee component for guaranteeing correct fitting into a counterpart connector. The connector cover has an open window for exposing the connector position guarantee component to the exterior of the connector cover, and a lid part for covering the open window in an openable/closable manner.

Connector unit and wire harness

A bus bar module includes: a case extending from a first end to a second end; a bus bar; and electric wires. The case includes first and second electric wire routing groove portions provided in parallel, electric wire passing portions bridged between the first and second electric wire routing groove portions, and an electric wire take-out portion which is provided in the first electric wire routing groove portion and from which the electric wires are drawn toward the second end. At least a part of the electric wires is routed from a position of the second electric wire routing groove portion closer to the second end than the electric wire take-out portion, through an electric wire passing portion provided closer to the one end than the electric wire take-out portion, to the electric wire take-out portion.

Bus bar module

A bus bar module includes: a case attached to a battery assembly including a plurality of single cells; a bus bar supported by the case and electrically connected to electrodes of the plurality of single cells of the battery assembly; and a plurality of electric wires routed in the case. The plurality of electric wires include: a plurality of voltage detection electric wires connected to the bus bar, and a temperature measurement electric wire connected to a thermistor configured to measure a temperature of at least one of the plurality of single cells. The case includes: an electric wire routing groove portion in which the plurality of voltage detection electric wires are routed, and a thermistor attachment portion to which the thermistor is attached. The thermistor attachment portion is provided in the electric wire routing groove portion.

Thermistor attachment configuration for a bus bar module

A conductive module includes a first conductive member electrically connected to at least one electrode terminal of a battery module, a second conductive member electrically connected to the first conductive member and an electrical connection target, and an accommodation member accommodating the first and second conductive members. The accommodation member includes an accommodation body having a first accommodation chamber that accommodates the first conductive member and a second accommodation chamber that accommodates the second conductive member, a lid body closing an opening of the second accommodation chamber such that the second conductive member does not come out of the second accommodation chamber, and a hinge body rotating the lid body, a first holding mechanism holding a side of the lid body opposite to the hinge body at the closing position, and a second holding mechanism holding the hinge body side of the lid body at the closing position.

Conductive module

A battery includes: an electrode body; an electrode current collector; a sealing body; an external terminal; an electrical conductor connected to the external terminal; a deforming plate sealing an opening of the electrical conductor, electrically connected to the electrical conductor and to the current collector, and deformed when an internal pressure reaches a predetermined pressure; and a first insulator between the deforming plate and the current collector. The current collector includes a base, and a lead connecting to the electrode body. First to fourth fasteners fasten the base and the first insulator. Between the first and second fasteners, the base is electrically connected to the deforming plate. The second fastener is closer to the lead than the first fastener. The second fastener is closer to a connection between the deforming plate and the electrode current collector than a position of the first insulator supported toward the sealing body.

Square secondary battery

A duct holding structure includes insulating resin busbar modules () which are attached to a battery assembly body () in which plural batteries () are arranged and connected to each other in series, and hold busbars () each of which connects electrodes of adjoining ones of the batteries (); and an insulating resin duct () which is attached to the battery assembly body () while covering gas vents that are formed through an electrode surface () from which the electrodes of the batteries () project. The duct () and the busbar modules () are provided with lock mechanisms () which lock the busbar modules () on the duct ().

Duct holding structure for battery assembly body

A power source device includes: a battery assembly including a plurality of battery cells which are aligned; a bus bar module formed by linking a plurality of bus bar storing portions which store a plurality of bus bars which link and connect electrodes of the battery assembly; a smoke exhausting duct provided on one side of the battery assembly; and a control board provided on the smoke exhausting duct and electrically connected to a voltage detection terminal for detecting a voltage of each of the battery cells. In the smoke exhausting duct, a portion where the control board is provided is in a flattened shape having a smaller height and a larger width in comparison with another portion.

Power source device

A waterproof structure of a wire harness includes at least one bundle of an electric wire group in which a plurality of electric wires are linearly arranged, a damming part made of a hard resin material, the damming part which surrounds a part of the electric wire group in an extension direction of the electric wire group and which includes an outer periphery shape part according to a shape of a trapezoidal through hole in an electric wire group insertion part with a divided structure, and a water stop material which prevents water from entering a gap between the electric wire group insertion part and the outer periphery shape part and which is formed on an inner peripheral surface of the through hole.

Waterproof structure of wire harness

The invention relates to a battery cooling structure for cooling a battery mounted in a vehicle. This battery cooling structure includes a battery pack () within which the battery is housed in an internal space; an air supplying device () that is configured to send cooling air to the battery pack (); and an air exhausting device () is configured to discharge exhaust air from the battery pack (). The battery pack () is arranged under a rear seat () of the vehicle. An exhaust vent () of the air exhausting device) is provided on a floor surface in a rearward space behind the rear seat () in the vehicle, and discharges the exhaust air from the battery pack () upward into the rearward space from the exhaust vent () provided in the floor surface.

Battery cooling structure

A temperature adjustment structures includes a first duct, a blower, and a second duct. The first duct includes an intake port. The blower is connected to the first duct and configured to take in air through the intake port. The blower is placed forward of an electric storage apparatus in the vehicle. The second duct is connected to the blower and the electric storage apparatus and configured to direct the air from the blower to the electric storage apparatus. The second duct extends downward in the vehicle from the blower toward the electric storage apparatus. The electric storage apparatus is housed in a recessed portion of a floor panel, and the recessed portion is located below a luggage compartment of the vehicle.

Temperature adjustment structure

An electrode is provided with a metal terminal extending from a battery module main body, a bolt which has an expanded section configuring a retaining section at a rear end portion and penetrates the metal terminal upward, and an insulating body which insulates the metal terminal and the battery module case one from the other. The insulating body is provided with a drop preventing section which abuts at least a lower surface of the expanded section of the bolt and prevents the bolt from dropping from the metal terminal.

Electrode structure and battery device manufacturing method

A power supply apparatusincludes: a battery cell assemblyincluding battery cellshaving a positive terminalat one end and a negative terminalat the other end; a busbar moduleattached to the assemblyand configured to connect the cellsin series with each other; and a pair of electric wiresconnected to electrodestaking out a voltage of the series-connected cells. The busbar moduleincludes: bus barsconfigured to connect the positive terminaland the negative terminalof the mutually adjacent battery cellsof the assembly; a platedisposed on the assemblywith the bus barsattached thereto; and an electric wire holding portionprovided on the plateconfigured to hold one electric wireof the pair of the electric wires. The electric wire holding portionextends in the arrangement direction X in which the cellsare arranged at a central portion of the platein the width direction Z orthogonal to the direction X of the battery cells

Busbar module and power supply apparatus incorporating the same

Growing community of inventors

Toyota, Japan

Takenori Tsuchiya