Yazaki Corporation

Toyota Jidosha Kabushiki Kaisha

Denso Corporation

Toyota Boshoku Kabushiki Kaisha

Yoshiaki Ichikawa

Tomoji Yasuda

Hirotaka Mukasa

Masahiro Takamatsu

Makoto Kobayashi

Tomohiro Ikeda

Katsunori Sato

Kimitoshi Makino

Takao Shoji

Hirokuni Koike

Tatsuya Oga

Koji Koizumi

Shigeki Matsumoto

Shinichi Yanagihara

Takenori Tsuchiya

Sakai Yagi

Yasuyoshi Fukao

Akihiro Kosaki

Mariko Nakagawa

Yoshinobu Furuya

Ko Watanabe

Hiroyoshi Yamamoto

Junta Katayama

Masaaki Iwabe

Kenji Iida

Kazuhisa Meguro

Hisato Inoue

Takuto Goto

Taishi Sakai

Hidehiro Takasugi

Kenji Kimura

Hiroyuki Kato

Shigeyuki Ogasawara

Nobuaki Yoshioka

Yoshiaki Nakayama

Takao Ota

Koji Yamashita

Shota Iguchi

Naoyuki Ikeda

Kazuya Harakawa

Satoshi Hishikura

Hiroki Kayamori

Yoshikazu Ezuka

Takuto Gotoh

Yuta Fukuchi

A bus bar module includes a circuit body, a bus bar, a holder, and a cover configured to be assembled to the holder to protect the circuit body and the holder. The circuit body includes a belt-like main line that extends in a first direction, a belt-like branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position closer to a distal end of the branch line than a folded portion the branch line. The cover is structured so as to be stretchable and shrinkable in the first direction in accordance with a stretching and a shrinking of the holder in the first direction.

Bus bar module

A flexible wiring member capable of electrically connecting desired points separated in a length direction. The flexible wiring member includes conductor holding layers that are formed in a state of being stacked in a thickness direction and being electrically insulated from one another; power supply line conductors that have a wide width and are respectively disposed in both of a first conductor holding layer and a second conductor holding layer adjacent to each other in the thickness direction; and communication line conductors that have a width smaller than that of the power supply line conductors and are disposed in one of the first conductor holding layer and the second conductor holding layer, in which the conductor holding layers are formed by an insulating resin, and directly cover the power supply line conductors and the communication line conductors.

Flexible wiring member

A busbar module includes: a circuit body having a flexible circuit board; busbars; and a holder. The circuit body has: conductor layers and protective layers to form a multiple-layered structure of wiring patterns; a band-shaped main strip to be located to extend in a stacking direction of cells; and a band-shaped branch strip branched from the main strip. The branch strip has: a bent portion extending in the stacking direction and having a bent shape around an axis crossing the stacking direction; and a connection portion disposed closer to an end of the branch strip than the bent portion and connected to the corresponding busbar. The bent portion has a thin-layer portion having a shape formed by removing, from the flexible circuit board, a part of the protective layers corresponding to a part of the conductor layers without being used as the wiring pattern in the branch strip.

Busbar module

A conductive structure includes: a single-layer busbar that is formed in a plate shape and constitutes a conductive path; and a multi-layer busbar that is configured by laminating a plurality of busbars which are formed as plates thinner than the single-layer busbar and that is joined to an end of the single-layer busbar and constitutes the conductive path. The multi-layer busbar includes a main body portion in which at least some of the laminated plurality of busbars are capable of mutual displacement relative to the busbars adjacent thereto, and a joining end located at a end of the main body portion on the single-layer busbar side and in which the laminated plurality of busbars are incapable of mutual displacement relative to each other, the joining end being joined to the end of the single-layer busbar.

Single to multiple layer integral busbar structure

A battery pack has bus bars, a battery stack which is an assembly of plural battery cells, a bus bar casing which supports a bus bar casing, and a cover member. Electrode terminals of battery cells adjacently arranged in the battery stack are connected together through the bus bars. An upstream side passage and a downstream side passage are formed between the bus bars and the cover member. Upstream side wall surfaces forming an inlet part of the upstream side passage or downstream side wall surfaces forming an outlet part of the downstream side passage is arranged at a location closer to the battery cell side than a location of a surface of the bus bar side.

Battery pack

A connection structure includes: a circuit body including a flexible printed circuit having a wiring pattern; and a conductive body connected to a mounting surface of the circuit body using a solder. The conductive body has a pair of connection portions opposed to each other and extending along the mounting surface. The solder forms solder fillets located around the pair of connection portions and extending along the mounting surface. A first fillet width of one solder fillet among the solder fillets located in an inside region between the pair of connection portions is larger than a second fillet width of another solder among the solder fillets located in an outside region of one of the pair of connection portions, which is on a side opposite to the inside region across the one of the pair of connection portions.

Connection structure including circuit body and conductive body

A connector-attached circuit body include a circuit body including a flexible substrate having a wiring pattern, and a connector attached to the circuit body and including a terminal and a housing that accommodates the terminal. The terminal is electrically connected to the wiring pattern and extends in a thickness direction of the circuit body.

Connector-attached circuit body and bus bar module

A connection structure includes: a circuit body including a flexible printed circuit having a wiring pattern; and a conductive body including a connection portion. The connection portion has a flat-plate shape and is connected to a mounting surface of the circuit body. The wiring pattern has a number of connection target portions each extending in a preset direction to cross the connection portion and is longer than a width of the connection portion in the preset direction. The connection portion and the connection target portions are electrically connected using a conductive adhesive to connect the wiring pattern and the conductive body.

A conduction system includes a laminated busbar including a plurality of busbars forming a conduction path in a vehicle and are stacked each other; and a distribution mechanism configured to distribute an electric power or electric signal by bending a part of the busbars forming the laminated busbar with respect to other busbars and by branching off the part of the busbars and the other busbars branch off from each other. As a result, the conduction system can provide an effect that the conduction path can be properly provided by combining the laminated busbar and the distribution mechanism.

Conduction system for vehicle

A cylindrical battery housing case has a plurality of cylindrical battery housing chambers each housing one cylindrical battery, and a plurality of elongated resilient members each having a protrusion for holding a cylindrical portion of the cylindrical battery is formed in a cantilevered manner inside notches in a side wall of each of the cylindrical battery housing chambers.

Cylindrical battery housing case

A method for manufacturing a laminated bus bar includes a first base member forming process of forming a plurality of first through-holes in a conductive flat plate-shaped first base member, a second base member forming process of forming a conductive flat plate-shaped second base member, a laminating process of forming a laminated body configured by laminating and fixing flat surfaces of the first base member and the second base member on and to each other, and a punching process of forming, in the second base member of the laminated body, second through-holes forming pairs with the first through-holes, the second through-holes being smaller than the first through-holes in portions overlapping with the first through-holes in a lamination direction of the first base member and the second base member.

Method for manufacturing laminated bus bar, manufacturing apparatus for laminated bus bar, laminated bus bar

A bus bar module is attached to a battery assembly having a plurality of single cells which are assembled to each other along a first direction. The bus bar module includes a circuit body, a bus bar, and a holder. The circuit body includes a main line that extends in the first direction, a branch line that extends from the main line so as to branch from the main line, and a connection portion provided in a position close to a distal end of the branch line rather than a folded portion of the branch line and configured to be connected to the bus bar.

A bus bar module includes a plurality of bus bars and a bus bar holder. The bus bar holder is constituted by coupling a plurality of holding portions in a chain manner via deformable coupling portions, respectively, the plurality of holding portions each holding the bus bar in a movable manner in predetermined ranges determined by restriction of movement of the bus bar by interferences with movement restricting members. Openings allowing two contact portions of the bus bar held by the holding portion to be exposed to an outside, the two contact portions being respectively connected to the electrodes of the two adjacent battery cells, are provided in either the holding portion or the coupling portion.

Bus bar module and battery pack

A structure of connection among a circuit body, a bus bar and an electronic element includes a circuit body configured by a flexible board on which a wiring pattern is provided, a bus bar attached to a mounting surface of the circuit body, and an electronic element attached to the mounting surface so as to connect the bus bar and the wiring pattern. The bus bar has a fixed portion extending along the mounting surface. The fixed portion is fixed to the mounting surface so that a restricted area which restricts deformation of the mounting surface is formed in a periphery of the fixed portion. The electronic element is arranged in the restricted area and is fixed to the mounting surface.

Structure of connection among circuit body, bus bar and electronic element

Growing community of inventors

Shizuoka, Japan

Yoshiaki Ichikawa