JPH07120863B2 - Electronic circuit device - Google Patents
Electronic circuit deviceInfo
- Publication number
- JPH07120863B2 JPH07120863B2 JP16451987A JP16451987A JPH07120863B2 JP H07120863 B2 JPH07120863 B2 JP H07120863B2 JP 16451987 A JP16451987 A JP 16451987A JP 16451987 A JP16451987 A JP 16451987A JP H07120863 B2 JPH07120863 B2 JP H07120863B2
- Authority
- JP
- Japan
- Prior art keywords
- metal case
- electronic circuit
- circuit device
- housing
- resin
- 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.)
- Expired - Lifetime
Links
Landscapes
- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は車載用部品等の電子回路装置に関するものであ
る。Description: TECHNICAL FIELD The present invention relates to an electronic circuit device such as an on-vehicle component.
従来の技術 従来、この種の電子回路装置としては、第４図，第５図
に示すように構成されていた。すなわち、第４図，第５
図において、21はプリント基板22に抵抗，コンデンサ等
の電子部品23,トランジスタ等の発熱部品24を実装し、
所定の電気配線を行って構成した電子回路本体であり、
この電子回路本体21には、リード線25が接続されてい
る。この電子回路本体21は、外面に放熱用のフィン26a
を有する有底状のダイキャスト成型よりなる金属ケース
26内に収納され、そしてこの金属ケース26内に熱硬化性
の樹脂27が充填されている。なお、電子回路本体21のリ
ード線25は金属ケース26の側面に嵌合したハウジング28
により保持され、外部に引出されている。2. Description of the Related Art Conventionally, an electronic circuit device of this type has been constructed as shown in FIGS. That is, FIG. 4 and FIG.
In the figure, 21 is a printed circuit board 22 on which electronic components 23 such as resistors and capacitors and heat-generating components 24 such as transistors are mounted.
It is an electronic circuit body configured by performing predetermined electrical wiring,
A lead wire 25 is connected to the electronic circuit body 21. This electronic circuit body 21 has a fin 26a for heat dissipation on the outer surface.
Bottom metal case made of die-cast molding
It is housed in a metal case 26, and a thermosetting resin 27 is filled in the metal case 26. The lead wire 25 of the electronic circuit body 21 is connected to the housing 28 fitted to the side surface of the metal case 26.
It is held by and is pulled out.
発明が解決しようとする問題点 このような従来の装置の場合、金属ケース26に外部機器
との接続端子用のコネクタのハウジング部を固定するた
めのハウジング28を取付けるため、部品点数が増え、更
に、構造上金属ケース26とハウジング28の嵌合バラツキ
により樹脂もれが発生し、量産性を低下させ、低価格化
が困難であるという問題があった。Problems to be Solved by the Invention In the case of such a conventional device, since the housing 28 for fixing the housing part of the connector for the connection terminal to the external device is attached to the metal case 26, the number of parts increases, and further However, there is a problem in that resin leakage occurs due to variation in fitting between the metal case 26 and the housing 28 due to the structure, mass productivity is reduced, and cost reduction is difficult.
本発明はこのような問題点を解決するもので、部品点数
を減らし、生産性の向上を図ることを目的としている。The present invention solves such problems, and an object thereof is to reduce the number of parts and improve productivity.
問題点を解決するための手段 この問題点を解決するために本発明は、押出成型により
Ｕ字状に形成された金属ケースの開口部に、外部接続用
端子の一端を表出させ、その開口部に外部接続用端子と
接続されるコネクタのハウジング部が係合する係合部を
設けたものである。Means for Solving the Problems In order to solve this problem, the present invention makes one end of an external connection terminal exposed at an opening of a metal case formed in a U shape by extrusion molding, and opens the opening. The housing is provided with an engaging portion with which the housing portion of the connector connected to the external connection terminal is engaged.
作用 この構成により、長尺の金属ケース部材を準備し、その
金属ケース部材内に複数の電子回路本体を挿入配置し、
樹脂を充填した後、個々に分割するか、または長尺の金
属ケース部材から金属ケースを得た、電子回路本体を挿
入配置し、樹脂を充填すればよく、高い生産性が得られ
る。また、Ｕ字状の金属ケースの開口部が、外部端子用
ハウジングとなり、従来のように金属ケースは、ハウジ
ングを取付ける場合と比べ、部品点数も少く、より低価
格の電子回路装置が得られる。Action With this configuration, a long metal case member is prepared, and a plurality of electronic circuit main bodies are inserted and arranged in the metal case member,
After the resin is filled, the resin may be divided into individual pieces, or the metal case may be obtained from a long metal case member, the electronic circuit main body may be inserted and arranged, and the resin may be filled, so that high productivity can be obtained. Further, the opening of the U-shaped metal case serves as a housing for external terminals, and the metal case has a smaller number of parts than the conventional case in which the housing is mounted, and a lower cost electronic circuit device can be obtained.
実施例 以下、本発明の一実施例を示す第１図〜第３図の図面を
用いて説明する。Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings of FIGS.
第１図〜第３図に本発明の一実施例による電子回路装置
を示しており、図において、１は電子回路本体であり、
プリント基板２にコンデンサ、抵抗等の電子部品３とト
ランジスタ等の発熱部品４を実装し、所定の電気配線を
行うことにより構成されている。また、プリント基板２
には、外部機器との接続用の板状のリード端子５が半田
付け等により直接接続固定されている。1 to 3 show an electronic circuit device according to an embodiment of the present invention, in which 1 is an electronic circuit body,
An electronic component 3 such as a capacitor and a resistor and a heat-generating component 4 such as a transistor are mounted on a printed circuit board 2 and predetermined electrical wiring is performed. Also, the printed circuit board 2
A plate-shaped lead terminal 5 for connection with an external device is directly connected and fixed to the device by soldering or the like.
６は押出成型により形成した両端面及び底面が開放した
Ｕ字状の金属ケースであり、この金属ケース６の外面に
おいて、一側面及び上面には押出成型時の押出方向と平
行になるように、複数の放熱用のフィン6aが一体に設け
られている。この金属ケース６内に前記電子回路本体１
が、リード端子５か金属ケース６の底面開口部に表出す
るように挿入配置されている。Reference numeral 6 denotes a U-shaped metal case formed by extrusion molding and having open both end surfaces and a bottom surface. On the outer surface of the metal case 6, one side surface and an upper surface are parallel to the extrusion direction at the time of extrusion molding. A plurality of fins 6a for heat dissipation are integrally provided. The electronic circuit body 1 is placed in the metal case 6.
Is inserted and arranged so as to be exposed at the bottom terminal opening of the lead terminal 5 or the metal case 6.
また、この金属ケース６の内面のフィン6aと相対する位
置には、フィン6aと平行になるようにフィン6aに沿って
複数の溝6bが設けられ、さらに金属ケース６内の上面部
には、前記電子回路本体１の発熱部品４の放熱部が嵌合
する凹部を形成する突出壁6cが設けられている。Further, a plurality of grooves 6b are provided along the fins 6a so as to be parallel to the fins 6a at positions on the inner surface of the metal case 6 that face the fins 6a. A projecting wall 6c is provided which forms a recess into which the heat dissipation part of the heat generating component 4 of the electronic circuit body 1 fits.
さらに、金属ケース６のフィン6aを形成していない一側
面には、この側面を上面側に延長した取付部７が設けら
れており、外部機器10への取付部はこの側面側となり、
ボルト11とナット等により取付けられる。Further, a mounting portion 7 that extends this side surface to the upper surface side is provided on one side surface of the metal case 6 where the fins 6a are not formed, and the mounting portion to the external device 10 is on this side surface side.
Mounted with bolts 11 and nuts.
８は金属ケース６内に前記リード端子５の一端を表出さ
せるように注入される熱硬化性の樹脂であり、電子回路
本体１の保護，防水や放熱補助の役目を果している。Reference numeral 8 denotes a thermosetting resin that is injected into the metal case 6 so as to expose one end of the lead terminal 5, and serves to protect the electronic circuit body 1, waterproof, and assist heat dissipation.
また、金属ケース６の開口部には、側面を延長した外部
コネクタのハウジング部９が係合する係合部6dおよび6e
が設けられており、リード端子５の保護および外部コネ
クタのハウジング部９を固定するように構成されてい
る。In addition, engaging portions 6d and 6e with which the housing portion 9 of the external connector whose side surface is extended are engaged with the opening of the metal case 6.
Is provided and is configured to protect the lead terminal 5 and fix the housing portion 9 of the external connector.
発明の効果 以上のように本発明によれば、押出成型により長尺の金
属ケース部材を準備し、その金属ケース部材内に複数の
電子回路本体を挿入配置し、樹脂を充填した後、完成品
として個々に分割するか、または長尺の金属ケース部材
から個々の金属ケースを得た後、電子回路本体を挿入配
置し、樹脂を充填することができ、高い生産性で電子回
路装置を得ることができ、また金属ケースの一側面であ
る金属面が外部機器への取付部となるため、放熱効率の
向上を図ることができる。EFFECTS OF THE INVENTION As described above, according to the present invention, a long metal case member is prepared by extrusion molding, a plurality of electronic circuit bodies are inserted and arranged in the metal case member, and a resin is filled into the finished product. Can be divided individually or as individual metal cases are obtained from a long metal case member, then the electronic circuit body can be inserted and arranged and filled with resin, and an electronic circuit device can be obtained with high productivity. Further, since the metal surface, which is one side surface of the metal case, serves as a mounting portion for the external device, it is possible to improve the heat dissipation efficiency.
また、金属ケースの開口部で外部機器との接続用のコネ
クタのハウジング部を固定できるため、そのハウジング
部固定専用の部品を用意する必要がなく、安価に得るこ
とができる。Further, since the housing portion of the connector for connecting to the external device can be fixed at the opening of the metal case, it is not necessary to prepare a component dedicated to fixing the housing portion, and the housing can be obtained at low cost.
第１図は本発明の一実施例による電子回路装置を一部を
切欠いて示す斜視図、第２図は同断面図、第３図は同装
置の使用状態を示す斜視図、第４図及び第５図は従来の
電子回路装置を示す斜視図及び断面図である。 １……電子回路本体、２……プリント基板、３……電子
部品、４……発熱部品、５……リード端子、６……金属
ケース、6a……フィン、6b……溝、6c……突出壁、6d,6
e……係合部、８……樹脂、９……ハウジング部。FIG. 1 is a perspective view showing an electronic circuit device according to an embodiment of the present invention with a part cut away, FIG. 2 is a sectional view of the same, and FIG. 3 is a perspective view showing a usage state of the device, FIG. FIG. 5 is a perspective view and a sectional view showing a conventional electronic circuit device. 1 ... Electronic circuit body, 2 ... Printed circuit board, 3 ... Electronic parts, 4 ... Heating part, 5 ... Lead terminals, 6 ... Metal case, 6a ... Fin, 6b ... Groove, 6c ... Protruding wall, 6d, 6
e ... Engagement part, 8 ... Resin, 9 ... Housing part.
Claims (1)
向と平行になるように複数個のフィンを形成したＵ字状
の金属ケース内に、外部接続用端子を有する電子回路本
体を挿入配置し、金属ケース内部に樹脂を充填すること
により構成され、かつ前記の金属ケースの開口部に前記
外部接続用端子の一端を表出させ、その開口部に前記外
部接続用端子と接続されるコネクタのハウジング部が係
合する係合部を設けた電子回路装置。1. An electronic circuit main body having external connection terminals is inserted and arranged in a U-shaped metal case formed by extrusion molding and having a plurality of fins formed on its outer surface in parallel with the extrusion direction. A connector formed by filling the inside of the metal case with resin, and exposing one end of the external connection terminal in the opening of the metal case, and connecting the external connection terminal to the opening. An electronic circuit device provided with an engaging part with which a housing part engages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16451987A JPH07120863B2 (en) | 1987-07-01 | 1987-07-01 | Electronic circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16451987A JPH07120863B2 (en) | 1987-07-01 | 1987-07-01 | Electronic circuit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS649697A JPS649697A (en) | 1989-01-12 |
| JPH07120863B2 true JPH07120863B2 (en) | 1995-12-20 |
Family
ID=15794705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16451987A Expired - Lifetime JPH07120863B2 (en) | 1987-07-01 | 1987-07-01 | Electronic circuit device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07120863B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0741192Y2 (en) * | 1989-06-14 | 1995-09-20 | 澤藤電機株式会社 | Circuit component mounting device for high current control circuit |
| US5072640A (en) * | 1990-04-30 | 1991-12-17 | The Laitram Corporation | Cutting apparatus for plastic conveyor modules |
-
1987
- 1987-07-01 JP JP16451987A patent/JPH07120863B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS649697A (en) | 1989-01-12 |
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