Hitachi Automotive Systems, Ltd.

Hitachi Astemo Ltd.

Hitachi, Ltd.

Honda Motor Co., Ltd.

Masaru Kamoshida

Yoshinori Wakana

Toshikazu Shigyo

Toshiaki Ishii

Takeshi Igarashi

Yasuro Kameshiro

Satoshi Arai

Shigeharu Tsunoda

Takashi Hattori

Ryouichi Kajiwara

Akira Inoue

Isamu Yoshida

Akitoyo Konno

Ryoichi Kajiwara

Masahiro Sasaki

Fusanori Nishikimi

Maki Ito

Shiro Yamashita

Tomoyuki Suzuki

Masahiko Asano

Hideto Yoshinari

Morio Kuwano

Masato Saito

Kiyotaka Kanno

Akihiro Goto

Shirou Oouchi

Yukio Sakigawa

Wataru Sawada

Takashi Igarashi

Naoya Mitsuhashi

Keiichi Tadokoro

An electric circuit device includes: a first electric component; a first case that accommodates the first electric component and has a cooling channel for cooling the first electric component and a discharge port of the cooling channel; a second case that accommodates a second electric component and has a communication channel that communicates with a discharge port of the cooling channel; a first seal portion that is provided in a peripheral edge part of a discharge port of the cooling channel and seals the first case and the first electric component; a second seal portion that is provided outside the first seal portion with respect to a discharge port of the cooling channel and seals the first case and the first electric component; a through hole that is provided in the first case between the first seal portion and the second seal portion of and penetrates the first case from the first electric component side to the second case side; and a wall that is provided on one of the first case and the second case to surround a periphery of a discharge port of the cooling channel, and the through hole is provided outside the wall.

Electric circuit device

Provided are a case having a structure with a high degree of freedom in the adjustment of natural vibration and capable of suppressing vibration without excessively increasing the weight, and an electronic device equipped with the same. A caseincludes a case bodyhaving an accommodating spacecapable of accommodating a circuit substrateand being opened to one side, and a coverattached to the case bodyso as to close the opening of the case body. The coverincludes an annular first region portionin contact with the case body, a second region portionlocated on an inner peripheral side of the first region portion, a third region portionlocated between the first region portionand the second region portionand connected to the first region portionand the second region portion, and a ribextending on the third region portionand connected to the second region portion. The second region portionis configured such that the mass per unit area when viewed from the attachment direction D of the coverto the case bodyis larger than the third region portion. The ribhas a notchprovided at a position excluding a distal end portion in the extending direction thereof.

Case and electronic device equipped with the same

An electronic control device comprises at least three connectors, a case, and a board. The case has at least three openings through which the connectors are inserted, the connectors are provided on a plane. The board is housed inside the case and to the connectors are electrically connected thereto. The at least three openings includes a first opening, a second opening, and a third opening. The third opening is disposed between the first opening and the second opening. The case includes the first, second, and third openings, and a heat dissipation fin or a rib provided between the first opening and the second opening.

Electronic control device

An electronic control device includes a heating element, a substrate, and a housing. The heating element includes an electronic component. The heating element is mounted to the substrate. The substrate is fixed to the housing via a substrate fixing portion. The housing includes a plurality of projecting portions projecting to the substrate side from a reference surface. The plurality of projecting portions have mutually different heights from the reference surface. The reference surface is a surface opposing the substrate and a reference of a height of the housing. The projecting portion highest in the height from the reference surface among the plurality of projecting portions is in contact with a surface of the substrate via a heat dissipation member. The surface of the substrate is on an opposite side of a surface where the heating element is mounted.

Provided is a box-type vehicle-mounted control device that effectively increases the amount of heat transfer from electronic components and a circuit board to a casing (base and cover) and that accordingly has achieved excellent heat dissipation property. The box-type vehicle-mounted control device includes a circuit board, a base, and a cover. In addition, a first heat radiating coating layeris formed on at least one surface of the circuit board, and a second heat radiating coating layeris formed on an inner surface of one or both of the baseand the coverfacing the first heat radiating coating layer

Box-type vehicle-mounted control device

Provided is an in-vehicle control device which is able to protect a seal material even when being interposed by a fixing member which is fixed to a vehicle while suppressing the protruding of the seal material toward an inner space. The in-vehicle control device includes a first housing (), a second housing () which is fixed to face the first housing (), and a seal material () which seals the inner space which is disposed between a flange of the first housing () and a flange of the second housing () and is formed by the first housing () and the second housing (). The first housing () includes a shape () (bank-shaped portion) which is disposed on a side near an inner space () from the seal material (), faces the flange of the second housing (), and suppresses the moving of the seal material () toward the inner space ().

Vehicle-mounted control device

The objective of the present invention is to provide an electronic control device with which it is possible to improve the flow of hot water, during molding, between openings through which connectors penetrate, in a case of an electronic control device, the size of which has increased as a result of an increase in the level of functionality of the electronic control device, while suppressing deformation of said case. There are at least three connectors. At least three openings through which the connectors are inserted are provided in one plane in a case. A printed circuit board is housed inside the case, and the connectors are electrically connected thereto. The third opening is disposed between the first opening and the second opening. The third opening is disposed in a position furthest from a center C of a plane, in the longitudinal direction of the case.

There is a problem that an oxide film or high resistance abrasion powder is formed at the contact interface due to micro sliding abrasion in a high temperature environment or temperature cycle to increase the contact resistance at the contact portion of a non-noble metal connection terminal. Provided is an in-vehicle electronic module, a connector, and a connection structure thereof, which have the same connection reliability as noble metals even when exposed to a harsh environment and can reduce cost of members. The in-vehicle electronic module includes a circuit board on which an electronic component is mounted, and a protection member accommodating the circuit board and protecting the circuit board from a surrounding environment and has a structure where a surface layer at an end portion of the circuit board is made of an 1 Ag-containing Sn-based solder having average thickness of 4 &#x3bc;m or more, and a surface material of a connection terminal of one card edge connector has a two layer structure of a soft noble metal layer of Ag, Pd, Pt, or the like/a reaction layer of a hard noble metal and Sn or an Ni layer.

Vehicle-mounted electronic module, card edge connector, and connector

It is provided an electronic control device including a resin molded body, a metal body, and an electronic component, wherein the resin molded body and a main surface of the metal body are bonded, and at least a part of a side surface continuous to the main surface of the metal body is in contact with a side contact portion provided in the resin molded body.

Electronic control device and method for manufacturing electronic control device

A laser welded structure is formed by laser welding together a resin molded body formed from a thermoplastic polymer alloy containing a crystalline resin and an amorphous resin and a metal body made of a metal. A glass transition temperature of the amorphous resin is lower than a melting start temperature of the crystalline resin.

Laser welded structure, electronic controller and manufacture method for laser welded structure

An electronic control device is provided with a resin base, a substrate, and a resin cover. The resin base has at least one opening part. The resin cover formed in a cylindrical shape with a bottom is fixed on an inner surface of the resin base forming the opening part. The resin cover has a slit. The substrate has a card edge connector to be inserted into the slit. An electronic component is mounted on the substrate.

Waterproof component-suppressing electronic control device

The purpose of the present invention is to provide a motor vehicle internal combustion engine control apparatus which is constructed as a waterproof structure capable of having a long life while minimizing an increase in surface area of a case and a cover, thereby enabling miniaturization, decrease in cost, and increase in reliability to be satisfied. The motor vehicle internal combustion engine control apparatus is equipped with a substrate, a connector, and a case and cover which enclose the substrate, a waterproofing adhesive being disposed at a junction part between the cover and the case. Recessed portions are disposed at the junction part between the case and the cover. The sidewalls of one of the recessed portions are inserted into the other of the recessed portions to form a gap which is folded a plurality of times between the case and the cover and extends between the inside and the outside of the case and cover, said gap being formed so that the size of the gap on the outer side is formed to be larger than the size of the gap on the inner side. The gap is configured to be fluid-tight by the waterproofing adhesive filled in the gap.

Motor vehicle internal combustion engine control apparatus

There is a problem that contact resistance increases due to formation of an oxide film on a contact interface or biting of abrasion powder caused by micro-sliding when a contact connecting portion of a connection terminal including non-noble metal members is exposed to high temperature environment or a repetitious temperature cycle. An object of the present invention is to provide an in-vehicle electronic module that has connection reliability equivalent to that of the conventional in-vehicle electronic module even when being placed in the environment of an engine compartment and can achieve cost reduction by reducing the number of parts and assembly steps. The electronic module includes a mounting board having a circuit board on which an electronic component is mounted, and a case member for accommodating and protecting the mounting board from surrounding environment, The electronic module has a connection structure in which a portion of the circuit board is protruded to the outside through an opening of the case and inserts a board terminal into an external female connector to obtain electrical continuity, and a portion of the case member forms a connector housing that receives the female connector and isolates a space in which the board terminal is present from surrounding environment and an insulating resin member for fixing the circuit board in the case is integrally molded or joined with the circuit board.

In-vehicle electronic module

There is provided an on-vehicle electronic module that includes an external connecting function and environment resistant reliability similar to a previous on-vehicle electronic module and that simultaneously achieves downsizing without a male connector housing component and cost reduction due to reduction of the number of components and assembly man-hours. There are included a circuit boardincluding a mounting regionand a terminal forming region, and a case housing the mounting regionof the circuit board. Electronic componentsandare mounted on the mounting region. A board terminal is formed in the terminal forming region. The case includes a case memberintegrally formed with a wall surface and a male connector housing. The wall surface forms a case internal spacethat houses the mounting region. A female connector is mounted to the male connector housing. The circuit boardpenetrates the case membersuch that the terminal forming regionis exposed to a housing spaceside of the male connector housing

Vehicle-mounted electronic module

The invention provides an electronic control device having a high-grade heat sink that: does not require tight control at the time of manufacturing; does not restrict the range of electronic components that can be used; is structurally simple; can be produced at a higher production rate; and is cost-effective. In this device, when a circuit boardhaving an electronic componentthereon is placed in a non-metal (resin) housing having: a housing baseintegrally comprising via a partition walla connector inserting sectionused for electrical connection with an external mating connector (not illustrated); and a housing coverattached to the housing base, part of the boardis inserted into an insertion hole provided in the partition wallso that it is exposed inside the connector inserting section. A pair of elastic metal parts, a heat sink, is provided in the housing, connected to the circuit boardat particular positions on its top and bottom surfaces with the use of a connecting material(solder or adhesive), and has an arch-shaped cross section as viewed from a lateral direction. The heat of the componentis transferred to the housing to dissipate it to the outside by the boardbeing supported from the top and bottom sides in the housing.

Growing community of inventors

Hitachinaka, Japan

Masaru Kamoshida