JPH11220278A - Heat dissipating structure of heat releasing part - Google Patents

Heat dissipating structure of heat releasing part

Info

Publication number
JPH11220278A
JPH11220278A JP10017528A JP1752898A JPH11220278A JP H11220278 A JPH11220278 A JP H11220278A JP 10017528 A JP10017528 A JP 10017528A JP 1752898 A JP1752898 A JP 1752898A JP H11220278 A JPH11220278 A JP H11220278A
Authority
JP
Japan
Prior art keywords
heat
generating component
metal case
releasing part
case
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
JP10017528A
Other languages
Japanese (ja)
Inventor
Tatsuhiko Uehara
建彦 上原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
Original Assignee
Yazaki Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Priority to JP10017528A priority Critical patent/JPH11220278A/en
Publication of JPH11220278A publication Critical patent/JPH11220278A/en
Abandoned legal-status Critical Current

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  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide the heat dissipating structure of a heat releasing part which is capable of dissipating heat efficiently from the heat releasing part. SOLUTION: A board 16 mounted with a heat releasing part 15 is housed in a metallic case 11 of a box-type, and a heat dissipating structure dissipates heat released from the heat releasing part through a manner by which the heat releasing part 15 is mounted on the one surface 16a of the board 16, and a heat dissipating member 18 is interposed between the heat releasing part 15 and one surface 11a of the metallic case 11.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、例えば、高出力パ
ワーMOS FETをワンチップ上に搭載したインテリ
ジェントパワースイッチ(IPS)を内蔵する多重通信
用コントロールボックス等に用いて好適な発熱部品の放
熱構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat dissipation structure of a heat-generating component suitable for use in a multiplex communication control box or the like incorporating an intelligent power switch (IPS) in which a high-output power MOS FET is mounted on one chip. About.

【0002】[0002]

【従来の技術】この種の多重通信用コントロールボック
スとして、図3に示すものがある。この多重通信用コン
トロールボックス1は、箱型で金属製のケース2内の底
面上に複数の基板固定用ボス3を突設してある。この複
数の基板固定用ボス3上には、発熱部品としてのインテ
リジェントパワースイッチ4を実装したプリント基板5
をネジ6により固定してある。
2. Description of the Related Art FIG. 3 shows a multiplex communication control box of this type. The multiplex communication control box 1 has a plurality of board fixing bosses 3 protruding from the bottom surface of a box-shaped metal case 2. On the plurality of board fixing bosses 3, a printed board 5 on which an intelligent power switch 4 as a heat-generating component is mounted.
Are fixed with screws 6.

【0003】そして、インテリジェントパワースイッチ
4から発生した熱は金属製のケース2内に放熱されるよ
うになっている。
[0003] The heat generated from the intelligent power switch 4 is radiated into the metal case 2.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、前記従
来の多重通信用コントロールボックス1では、インテリ
ジェントパワースイッチ4のプリント基板5に対する実
装位置を特定せずに、該プリント基板5の表面や裏面、
或いは表裏両面にインテリジェントパワースイッチ4を
実装して該インテリジェントパワースイッチ4から発生
した熱を金属製のケース2内の周囲の空気へ放熱してい
たため、密閉された空間では放熱に限界があり、故障の
要因となっていた。
However, in the conventional multiplex communication control box 1, the mounting position of the intelligent power switch 4 on the printed circuit board 5 is not specified, and the front and back surfaces of the printed circuit board 5 are not specified.
Alternatively, since the intelligent power switch 4 is mounted on both front and back sides and the heat generated from the intelligent power switch 4 is radiated to the surrounding air in the metal case 2, there is a limit to the heat radiation in the enclosed space, and the failure occurs. Was a factor.

【0005】そこで、本発明は、前記した課題を解決す
べくなされたものであり、発熱部品の放熱効果を向上さ
せることができる発熱部品の放熱構造を提供することを
目的とする。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide a heat-dissipating structure for a heat-generating component capable of improving the heat-dissipating effect of the heat-generating component.

【0006】[0006]

【課題を解決するための手段】請求項1の発明は、箱型
で金属製のケース内に、発熱部品を実装した基板を収容
し、該発熱部品から発生した熱を周囲に放熱するように
した発熱部品の放熱構造において、前記金属製のケース
の一面に対向する前記基板の一面側に前記発熱部品を実
装し、この発熱部品と前記金属製のケースの一面との間
に放熱部材を介在したことを特徴とする。
According to a first aspect of the present invention, a board on which a heat-generating component is mounted is housed in a box-shaped metal case, and heat generated from the heat-generating component is radiated to the surroundings. In the heat-dissipating structure of the heat-generating component, the heat-generating component is mounted on one surface of the substrate facing one surface of the metal case, and a heat-radiating member is interposed between the heat-generating component and one surface of the metal case. It is characterized by having done.

【0007】この発熱部品の放熱構造では、発熱部品か
ら発生した熱が放熱部材を介して金属製のケースの一面
側から外部に放熱され、発熱部品の放熱が効率良く行わ
れ、また、金属製のケース自体が放熱板として機能し、
放熱効率が高められる。
In the heat-radiating structure of the heat-generating component, the heat generated from the heat-generating component is radiated to the outside from one side of the metal case via the heat-radiating member, so that the heat-generating component is efficiently radiated. The case itself functions as a heat sink,
Heat dissipation efficiency is improved.

【0008】請求項2の発明は、請求項1記載の発熱部
品の放熱構造であって、前記金属製のケースを熱伝導性
の被取付体に締結手段を介して締結固定したことを特徴
とする。
According to a second aspect of the present invention, there is provided a heat radiating structure for a heat generating component according to the first aspect, wherein the metal case is fastened and fixed to a thermally conductive mounting body via fastening means. I do.

【0009】この発熱部品の放熱構造では、金属製のケ
ースの熱が熱伝導性の被取付体側に伝導されて外部に放
熱されるため、放熱効率がより一段と高められる。
In the heat-radiating structure of the heat-generating component, the heat of the metal case is conducted to the heat-conductive member and radiated to the outside, so that the radiation efficiency is further enhanced.

【0010】請求項3の発明は、請求項1記載の発熱部
品の放熱構造であって、前記放熱部材としてゴム製の熱
伝導性部材を用いたことを特徴とする。
According to a third aspect of the present invention, there is provided the heat radiating structure of the heat generating component according to the first aspect, wherein a rubber heat conductive member is used as the heat radiating member.

【0011】この発熱部品の放熱構造では、発熱部品か
ら発生した熱がゴム製の熱伝導性部材により金属製のケ
ースの一面側から外部に放熱されると共に、該ゴム製の
熱伝導性部材により金属製のケースから基板側に伝わる
振動が抑制される。
In the heat-radiating structure of the heat-generating component, the heat generated from the heat-generating component is radiated to the outside from one surface side of the metal case by the rubber-made heat conductive member, and the rubber heat-conductive member makes the heat generated by the rubber heat conductive member. Vibration transmitted from the metal case to the substrate side is suppressed.

【0012】[0012]

【発明の実施の形態】以下、本発明の一実施形態を図面
に基づいて説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

【0013】図1は本発明の一実施形態の発熱部品の放
熱構造を適用した多重通信用コントロールボックスの側
断面図、図2は同多重通信用コントロールボックスのカ
バーを開けた状態を示す斜視図である。
FIG. 1 is a side sectional view of a multiplex communication control box to which a heat-dissipating structure for a heat-generating component according to an embodiment of the present invention is applied, and FIG. 2 is a perspective view showing a state where the cover of the multiplex communication control box is opened. It is.

【0014】図1,図2に示すように、多重通信用コン
トロールボックス10は、熱伝導性の良い箱型で金属製
のケース11と、このケース11の上面側の開口部12
を閉塞する熱伝導性の良い矩形板状で金属製のカバー1
3とを備えている。このケース11内の底面(一面)1
1a上には4本の基板固定用ボス14を一体突出形成し
てある。この各基板固定用ボス14上には、発熱部品と
してのインテリジェントパワースイッチ(IPS)15
を裏面(一面)16aに実装したプリント基板(基板)
16をネジ(締結手段)17を介して固定してある。
As shown in FIGS. 1 and 2, the multiplex communication control box 10 is a box-shaped metal case 11 having good heat conductivity and an opening 12 on the upper surface side of the case 11.
Metal cover 1 with a rectangular plate shape with good heat conductivity
3 is provided. The bottom (one side) 1 in this case 11
Four board fixing bosses 14 are integrally formed on 1a. On each board fixing boss 14, an intelligent power switch (IPS) 15 as a heat-generating component is provided.
Printed circuit board (substrate) on which is mounted on the back surface (one surface) 16a
16 is fixed via screws (fastening means) 17.

【0015】また、インテリジェントパワースイッチ1
5の底面と金属製のケース11の底面11aとの間には
放熱部材としてのゴム製の熱伝導性絶縁シリコン(ゴム
製の熱伝導性部材)18を介在してある。さらに、プリ
ント基板16にはケース11の一側面11bに取り付け
られた雌コネクタ(コネクタ)19の複数の端子19a
を半田付け等により接続してある。
The intelligent power switch 1
A rubber heat conductive insulating silicon (rubber heat conductive member) 18 as a heat radiation member is interposed between the bottom surface of the metal case 5 and the bottom surface 11a of the metal case 11. Further, a plurality of terminals 19 a of a female connector (connector) 19 attached to one side surface 11 b of the case 11 are provided on the printed circuit board 16.
Are connected by soldering or the like.

【0016】さらに、ケース11の開口部12の上部に
は、カバー13を嵌め込む凹状の段差部12aを形成し
てある。また、ケース12の開口部12の上端部の回り
には外側に突出する枠状の鍔部12bを一体突出形成し
てある。この鍔部12bの四隅の突出部にはネジ挿通孔
12cを形成してある。そして、ケース11の開口部1
2内にカバー13が嵌め込まれた該ケース11は鍔部1
2bのネジ挿通孔12cに挿通されるネジ(締結手段)
20を介して熱伝導性の良い金属製の車体フレーム(被
取付体)21に締結固定されるようになっている。
Further, a concave step 12a into which the cover 13 is fitted is formed above the opening 12 of the case 11. In addition, a frame-shaped flange portion 12b projecting outward is formed integrally around the upper end of the opening 12 of the case 12. A screw insertion hole 12c is formed in the protrusion at the four corners of the flange 12b. Then, the opening 1 of the case 11
The case 11 in which the cover 13 is fitted in the
Screw (fastening means) inserted into screw insertion hole 12c of 2b
20 and is fastened and fixed to a metal body frame (attached body) 21 having good thermal conductivity via the base 20.

【0017】また、カバー13の底面にも4本の基板固
定用ボス22を一体突出形成してあり、該各基板固定用
ボス22にプリント基板(基板)23をネジ(締結手
段)24を介して固定してある。このカバー12側のプ
リント基板23とケース11側のプリント基板16とは
フレキシブルプリント基板25で接続されている。
Also, four board fixing bosses 22 are integrally formed on the bottom surface of the cover 13, and a printed circuit board (board) 23 is connected to each of the board fixing bosses 22 via screws (fastening means) 24. Is fixed. The printed board 23 on the cover 12 and the printed board 16 on the case 11 are connected by a flexible printed board 25.

【0018】以上実施形態の多重通信用コントロールボ
ックス10によれば、インテリジェントパワースイッチ
15から発生した熱は、図1中矢印で示すように、ゴム
製の熱伝導性絶縁シリコン18を介して金属製のケース
11の底面11a側より外部に放熱される。
According to the control box 10 for multiplex communication of the embodiment described above, the heat generated from the intelligent power switch 15 is transmitted through a rubber heat conductive insulating silicon 18 as shown by an arrow in FIG. The heat is radiated to the outside from the bottom surface 11a side of the case 11.

【0019】このように、金属製のケース11の底面1
1aに対向するプリント基板16の裏面16a側にイン
テリジェントパワースイッチ15を実装し、このインテ
リジェントパワースイッチ15と金属製のケース11の
底面11aとの間にゴム製の熱伝導性絶縁シリコン18
を介在したので、インテリジェントパワースイッチ15
から発生した熱をゴム製の熱伝導性絶縁シリコン18を
介して金属製のケース11の底面11a側から外部に放
熱することができ、インテリジェントパワースイッチ1
5の放熱を効率良く行うことができる。また、金属製の
ケース11自体を放熱板として機能させることができ、
低コストで放熱効率を高めることができる。
As described above, the bottom surface 1 of the metal case 11
The intelligent power switch 15 is mounted on the back surface 16a side of the printed circuit board 16 facing the printed circuit board 1a, and a thermally conductive insulating silicon 18 made of rubber is provided between the intelligent power switch 15 and the bottom surface 11a of the metal case 11.
The intelligent power switch 15
Can be radiated to the outside from the bottom surface 11a side of the metal case 11 through the heat conductive insulating silicon 18 made of rubber.
5 can be efficiently dissipated. In addition, the metal case 11 itself can function as a heat sink,
Heat dissipation efficiency can be increased at low cost.

【0020】また、金属製のケース11を熱伝導性の車
体フレーム21にネジ20を介して締結固定したので、
金属製のケース11の熱を車体フレーム21側に伝導し
て外部に放熱することができ、放熱効果をより一層向上
させることができる。
Also, since the metal case 11 is fastened and fixed to the thermally conductive body frame 21 via the screws 20,
The heat of the metal case 11 can be conducted to the vehicle body frame 21 side and radiated to the outside, so that the radiation effect can be further improved.

【0021】さらに、ゴム製の熱伝導性部材(放熱部
材)としてゴム製の熱伝導性絶縁シリコン18を用いた
ことにより、インテリジェントパワースイッチ15から
発生した熱をゴム製の熱伝導性絶縁シリコン18を介し
て金属製のケース11の底面11a側より外部に確実に
放熱することができると共に、該ゴム製の熱伝導性絶縁
シリコン18により金属製のケース11からプリント基
板16側に伝わる振動を確実に抑制することができる。
また、プリント基板16の裏面16a側の金属製のケー
ス11の底面11aとの狭いスペースにも他の部品26
等を実装することができ、プリント基板16への実装ス
ペースを十分に確保することができる。
Further, since the rubber heat conductive insulating silicon 18 is used as the rubber heat conductive member (heat radiating member), the heat generated from the intelligent power switch 15 is transferred to the rubber heat conductive insulating silicon 18. The heat can be reliably dissipated to the outside from the bottom surface 11a side of the metal case 11 through the metal case 11, and the vibration transmitted from the metal case 11 to the printed circuit board 16 side can be ensured by the rubber heat conductive insulating silicon 18. Can be suppressed.
Also, other components 26 are placed in a narrow space with the bottom surface 11a of the metal case 11 on the back surface 16a side of the printed circuit board 16.
Can be mounted, and a sufficient mounting space on the printed circuit board 16 can be secured.

【0022】尚、前記実施形態によれば、発熱部品とし
てインテリジェントパワースイッチを用いたが、発熱部
品はインテリジェントパワースイッチに限られるもので
ないことは勿論である。また、金属製のケースの側面に
基板を平行に配置し、該ケースの側面に対向する基板の
一面に発熱部品を実装し、金属製のケースの側面と発熱
部品との間に放熱部材を介在してもよい。
According to the above embodiment, the intelligent power switch is used as the heat-generating component. However, the heat-generating component is not limited to the intelligent power switch. In addition, the substrate is arranged in parallel on the side surface of the metal case, a heat-generating component is mounted on one surface of the substrate facing the side surface of the case, and a heat-radiating member is interposed between the side surface of the metal case and the heat-generating component. May be.

【0023】[0023]

【発明の効果】以上説明したように、請求項1の発明に
よれば、金属製のケースの一面に対向する基板の一面側
に発熱部品を実装し、この発熱部品と金属製のケースの
一面との間に放熱部材を介在したので、発熱部品から発
生した熱を放熱部材を介して金属製のケースの一面側か
ら外部に効率良く放熱することができ、発熱部品の放熱
効果を向上させることができる。また、金属製のケース
自体を放熱板として機能させることができ、低コストで
放熱効率を高めることができる。
As described above, according to the first aspect of the present invention, a heat-generating component is mounted on one side of the substrate facing one side of the metal case, and the heat-generating component and one side of the metal case are mounted. Since the heat dissipating member is interposed between the heat dissipating member and the heat dissipating member, the heat generated from the heat dissipating component can be efficiently dissipated to the outside from one side of the metal case via the heat dissipating member, thereby improving the heat dissipating effect of the heat dissipating component. Can be. In addition, the metal case itself can function as a heat radiating plate, and the heat radiating efficiency can be increased at low cost.

【0024】請求項2の発明によれば、金属製のケース
を熱伝導性の被取付体に締結手段を介して締結固定した
ので、金属製のケースの熱を熱伝導性の被取付体側に伝
導して外部に効率良く放熱することができ、放熱効率を
より一段と高めることができる。
According to the second aspect of the present invention, since the metal case is fastened and fixed to the heat conductive mounting body via the fastening means, the heat of the metal case is transferred to the heat conductive mounting body side. The heat can be efficiently dissipated to the outside by conducting, and the heat dissipation efficiency can be further improved.

【0025】請求項3の発明によれば、放熱部材として
ゴム製の熱伝導性部材を用いたことにより、発熱部品か
ら発生した熱をゴム製の熱伝導性部材を介して金属製の
ケースの一面より外部に確実に放熱することができると
共に、該ゴム製の熱伝導性部材を介して金属製のケース
から基板側に伝わる振動を確実に抑制することができ
る。
According to the third aspect of the present invention, since the rubber heat conductive member is used as the heat radiating member, the heat generated from the heat generating component can be transferred to the metal case through the rubber heat conductive member. The heat can be reliably radiated to the outside from one surface, and the vibration transmitted from the metal case to the substrate via the rubber heat conductive member can be reliably suppressed.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施形態の発熱部品の放熱構造を適
用した多重通信用コントロールボックスの側断面図であ
る。
FIG. 1 is a side sectional view of a control box for multiplex communication to which a heat radiation structure of a heat generating component according to an embodiment of the present invention is applied.

【図2】上記多重通信用コントロールボックスのカバー
を開けた状態を示す斜視図である。
FIG. 2 is a perspective view showing a state where a cover of the control box for multiplex communication is opened.

【図3】従来の多重通信用コントロールボックスの側面
図である。
FIG. 3 is a side view of a conventional multiplex communication control box.

【符号の説明】[Explanation of symbols]

11 金属製のケース 11a 底面(一面) 15 インテリジェントパワースイッチ(発熱部品) 16 プリント基板(基板) 16a 裏面(一面) 18 ゴム製の熱伝導性部材(放熱部材) 20 ネジ(締結手段) 21 車体フレーム(被取付体) DESCRIPTION OF SYMBOLS 11 Metal case 11a Bottom surface (one surface) 15 Intelligent power switch (heating element) 16 Printed circuit board (substrate) 16a Back surface (one surface) 18 Rubber heat conductive member (heat radiating member) 20 Screw (fastening means) 21 Body frame (Attached object)

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 箱型で金属製のケース内に、発熱部品を
実装した基板を収容し、該発熱部品から発生した熱を周
囲に放熱するようにした発熱部品の放熱構造において、 前記金属製のケースの一面に対向する前記基板の一面側
に前記発熱部品を実装し、この発熱部品と前記金属製の
ケースの一面との間に放熱部材を介在したことを特徴と
する発熱部品の放熱構造。
1. A heat dissipating structure for a heat generating component, wherein a substrate on which a heat generating component is mounted is housed in a box-shaped metal case, and heat generated from the heat generating component is radiated to the surroundings. Wherein the heat-generating component is mounted on one surface of the substrate facing one surface of the case, and a heat-radiating member is interposed between the heat-generating component and one surface of the metal case. .
【請求項2】 請求項1記載の発熱部品の放熱構造であ
って、 前記金属製のケースを熱伝導性の被取付体に締結手段を
介して締結固定したことを特徴とする発熱部品の放熱構
造。
2. The heat radiating structure for a heat generating component according to claim 1, wherein said metal case is fastened and fixed to a heat conductive mounting body via a fastening means. Construction.
【請求項3】 請求項1記載の発熱部品の放熱構造であ
って、 前記放熱部材としてゴム製の熱伝導性部材を用いたこと
を特徴とする発熱部品の放熱構造。
3. The heat radiating structure for a heat generating component according to claim 1, wherein a heat conductive member made of rubber is used as said heat radiating member.
JP10017528A 1998-01-29 1998-01-29 Heat dissipating structure of heat releasing part Abandoned JPH11220278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10017528A JPH11220278A (en) 1998-01-29 1998-01-29 Heat dissipating structure of heat releasing part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10017528A JPH11220278A (en) 1998-01-29 1998-01-29 Heat dissipating structure of heat releasing part

Publications (1)

Publication Number Publication Date
JPH11220278A true JPH11220278A (en) 1999-08-10

Family

ID=11946433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10017528A Abandoned JPH11220278A (en) 1998-01-29 1998-01-29 Heat dissipating structure of heat releasing part

Country Status (1)

Country Link
JP (1) JPH11220278A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003513457A (en) * 1999-11-05 2003-04-08 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Electronic control unit
WO2003056735A1 (en) * 2001-12-21 2003-07-10 Redfern Broadband Networks, Inc. Improved wdm add/drop multiplexer module
JP2007166899A (en) * 2007-02-09 2007-06-28 Hitachi Ltd Automobile controller
US7623347B2 (en) 2007-02-23 2009-11-24 Denso Corporation Electric device having first and second electric elements

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51154110U (en) * 1975-06-03 1976-12-08
JPS52102678A (en) * 1976-02-25 1977-08-29 Nikkan Ind Heat conductive electric insulation sheet and method of manufacture thereof
JPS58140189A (en) * 1982-02-15 1983-08-19 三菱電機株式会社 Heat sink
JPS62261199A (en) * 1986-05-08 1987-11-13 富士通株式会社 Heat radiation structure of printed wiring board on ehich electronic parts are mounted
JPH0444190U (en) * 1990-08-20 1992-04-15
JPH05343871A (en) * 1992-06-11 1993-12-24 Fujikura Ltd Control box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51154110U (en) * 1975-06-03 1976-12-08
JPS52102678A (en) * 1976-02-25 1977-08-29 Nikkan Ind Heat conductive electric insulation sheet and method of manufacture thereof
JPS58140189A (en) * 1982-02-15 1983-08-19 三菱電機株式会社 Heat sink
JPS62261199A (en) * 1986-05-08 1987-11-13 富士通株式会社 Heat radiation structure of printed wiring board on ehich electronic parts are mounted
JPH0444190U (en) * 1990-08-20 1992-04-15
JPH05343871A (en) * 1992-06-11 1993-12-24 Fujikura Ltd Control box

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003513457A (en) * 1999-11-05 2003-04-08 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Electronic control unit
JP4709454B2 (en) * 1999-11-05 2011-06-22 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Electronic control unit
WO2003056735A1 (en) * 2001-12-21 2003-07-10 Redfern Broadband Networks, Inc. Improved wdm add/drop multiplexer module
WO2003056734A1 (en) * 2001-12-21 2003-07-10 Redfern Broadband Networks, Inc. Improved wdm add/drop multiplexer module
JP2007166899A (en) * 2007-02-09 2007-06-28 Hitachi Ltd Automobile controller
US7623347B2 (en) 2007-02-23 2009-11-24 Denso Corporation Electric device having first and second electric elements

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