Sumitomo Wiring Systems, Limited

Sumitomo Electric Industries, Limited

Autonetworks Technologies, Limited

Other

Tatsuya Sumida

Kyohei Morita

Noriko Kobayashi

Yuuji Saka

Yasuo Matsushita

Shunji Taga

Hisaki Mayumi

Kazuhiro Aoki

Masanobu Sato

Yoshito Oka

Manabu Hashikura

Hisao Hattori

Junji Muta

Kazumoto Konda

Yukitaka Saito

Ichiaki Sano

Kazuhide Kitagawa

Koji Kasai

Shinji Kawakita

Nobuchika Kobayashi

Yoshihiro Maeda

Kyozo Hayashi

Yuichi Akiyama

An object is to provide a technique capable of increasing waterproofness of an electronic unit. An electronic unit includes: a case including an opening; a circuit board housed in the case through the opening; and a cover attached to the opening, wherein a protruding portion is provided on at least one side wall of the case, and the protruding portion includes a step that causes an opening side portion of the side wall to protrude further outward relative to a rear side portion of the side wall, and is provided so as to extend along the periphery of the opening.

Electronic unit

An electronic unit includes: a case; a circuit board; and a cover, wherein a portion of a connector, which is provided on the circuit board, to be connected to a mating connector is exposed to the outside through a through hole of the cover, a first clearance portion and a second clearance portion are provided in at least one of a portion located between the cover and the case at a position of the opening and a portion located between the cover and the connector at a position of the through hole, a clearance in the first clearance portion is larger than a clearance in the second clearance portion, the second clearance portion is located on an inner side of the case relative to the first clearance portion, and the first clearance portion extends and reaches the second clearance portion while maintaining a constant clearance.

An electrical connection box is provided with a connector-attached board and a shield case that internally houses the connector-attached board. The connector-attached board is provided with a circuit board, a connector that is fixed to the circuit board and that engages with a mating connector, and an attachment that is attached to the connector. The shield case surrounds the circuit board and is provided with an upper short wall portion and a lower short wall portion that include a connector opening for facing the connector outside. The attachment is provided with a waterproof portion that covers the periphery of an engagement surface of the connector that faces the mating connector, and the waterproof portion is provided with a waterproof wall that covers the periphery of the connector and the mating connector.

Electrical connection box with a waterproof member

Electrical connection box

An electronic unit includes a first case made of metal; a second case made of metal; a frame made of synthetic resin arranged inside an assembly of the first case and the second case; a relay member made of metal that is separate from the frame and includes a first connection portion electrically connected to the first case, a second connection portion electrically connected to the second case, and a coupling portion coupling the first connection portion and the second connection portion; a first screw that passes through the first case and the first connection portion from the outside of the first case and is fixed to the frame; and a second screw that passes through the second case and the second connection portion from the outside of the second case and is fixed to the frame.

Power storage modules and BM includes: a plurality of power storage elements; a circuit board that is configured to connect the power storage elements; a case that is made of a metal and is configured to house the power storage elements; and holding members and that are configured to hold the power storage elements, wherein the holding members include: the cap into which the power storage elements are to be fit; the fixing portion that is configured to be fixed to the case; and the resin elastic portion that is provided so as to be able to elastically expand and contract between the cap and the resin elastic portion, and is constituted by a resin.

Power storage module

Provided is a connection structure for connecting electrodes of a plurality of capacitors, including: a circuit board that includes power source patterns and through holes into which the electrodes are inserted, the circuit board being placed on the capacitors; bolts that include shaft portions that are inserted into the through holes and are screwed into the electrodes of the capacitors and head portions that are formed integrally with the shaft portions and press the power source patterns to the electrodes via the circuit board, and spacer portions that are arranged in the through holes and support the bolts.

Connection structure of power storage elements and power storage module

A power storage unit 1 in which a power storage element is housed in a metal case and which is to be attached to a vehicle via a metal bracket includes a holder that holds the power storage element within the metal case, a bracket receiving portion that is provided in the holder and is to be engaged with the bracket and transmit the load of the holder and the power storage element to the bracket, and a connection piece that is provided in the metal case and is to come into contact with the bracket and electrically connect the metal case to the bracket.

Power storage unit

An electricity storage unit includes: an electricity storage device; a circuit portion on which an electronic component is mounted; a heat dissipation member that dissipates heat from the circuit portion; and a holding member that holds the electricity storage device in a state where the electricity storage device, the circuit portion, and the heat dissipation member are stacked, wherein the holding member is provided with a supporting portion that supports the electricity storage device and abuts against the heat dissipation member.

Electricity storage unit

Provided is an electricity storage module including an electricity storage element group composed of multiple electricity storage elements having exhaust ports that discharge gas produced therein, and a cover attached to the electricity storage element group, wherein the electricity storage element group has exhaust surfaces on which the exhaust ports are arranged, and the cover is attached so as to cover the exhaust surfaces, guide walls that surround the exhaust ports in the form of loops are formed in the respective electricity storage elements, guide ribs that come into close contact with the guide portions and fit therein are formed on an opposing surface of the cover that opposes the exhaust surfaces, and the cover is provided with a duct that communicates with the exhaust ports and through which gas discharged from the exhaust ports passes.

A power storage module includes: a heat sink that has a first bolt insertion hole; a frame that has a second bolt insertion hole through which a bolt is inserted; and a power storage unit that is stacked on the frame. The power storage unit includes a threaded portion that has a screw hole into which the bolt is screwed. The bolt is screwed into the screw hole of the threaded portion, with the bolt being inserted through the first bolt insertion hole and the second bolt insertion hole. A gap is formed between the heat sink and the frame.

A power supply device that includes a plurality of capacitors including a plurality of lead terminals; a circuit board including a conductive path; a relay terminal configured to connect the lead terminals to the conductive path of the circuit board; and a cover configured to cover the plurality of lead terminals of the plurality of capacitors, wherein the plurality of capacitors are oriented such that the respective lead terminals are disposed on an inner side, and the relay terminal includes a plurality of pressure contacts configured to come into pressure contact with a plurality of lead terminals of the plurality of capacitors, the lead terminals having the same potential, and a board connector configured to be connected to the conductive path of the circuit board, a number of the board connector being smaller than a number of the plurality of pressure contacts.

Power supply device

A power supply device that includes a plurality of electricity storage elements each including lead terminals; a conductive connector connected to the lead terminals; a circuit board including a conductive path; a conductive relay terminal electrically connected to the conductive path, the connector being disposed so as to be in contact with the relay terminal; and a resin holder configured to hold the plurality of electricity storage elements, wherein the holder includes an electricity storage element holder configured to hold the electricity storage elements, a connecting member holder configured to hold the connector, and a fitting groove into which the lead terminals can be fitted, and the connecting member holder is formed so as to traverse the fitting groove.

Power supply device and method for producing the same

The present invention provides an electricity storage unit in which the influence of noise from a circuit portion can be suppressed, and the circuit portion and a power storage element can be consolidated. The electricity storage unit includes a circuit portion on which an electronic component is mounted, power storage elements, and a holding member that holds the power storage elements. The holding member includes an electrically conductive shield wall portion between the circuit portion and the power storage elements, and the shield wall portion shields noise generated by the circuit portion. The electricity storage unit may further have an electrically conductive heat dissipation member that dissipates heat from the circuit portion.

An electricity storage module includes: multiple electricity storage elements; and a holding member formed by aligning multiple cavities in which the multiple electricity storage elements are stored, wherein an outer wall of the holding member has outer wall opening portions through which the multiple cavities communicate with the exterior, and outer surfaces of the multiple electricity storage elements stored in the multiple cavities are exposed to the exterior from the outer wall through the outer wall opening portions, and the holding member has a first cavity column in which cavities among the multiple cavities are aligned in two levels in an alignment direction, and a second cavity column in which cavities among the multiple cavities are aligned in two levels in the alignment direction at positions shifted in a direction intersecting with the alignment direction.

Growing community of inventors

Yokkaichi, Japan

Tatsuya Sumida