JPH0744062Y2 - control unit - Google Patents
control unitInfo
- Publication number
- JPH0744062Y2 JPH0744062Y2 JP1990011792U JP1179290U JPH0744062Y2 JP H0744062 Y2 JPH0744062 Y2 JP H0744062Y2 JP 1990011792 U JP1990011792 U JP 1990011792U JP 1179290 U JP1179290 U JP 1179290U JP H0744062 Y2 JPH0744062 Y2 JP H0744062Y2
- Authority
- JP
- Japan
- Prior art keywords
- control unit
- flexible printed
- circuit board
- printed circuit
- bent
- 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
Description
【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、車載電子機器等を制御するコントロールユニ
ットの構造に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a structure of a control unit for controlling an in-vehicle electronic device or the like.
〈従来の技術〉 箱体内に電気部品を収納してコネクタ等により外部の電
子機器と接続されるエンジン制御装置のコントロールユ
ニット等車載電子機器のコントロールユニットが従来よ
り知られている（実開昭59−58655号公報，実開昭58−1
38385号公報等参照）。<Prior Art> Control units for in-vehicle electronic devices such as a control unit for an engine control device in which electric parts are housed in a box and connected to an external electronic device by a connector or the like have been conventionally known (actually developed 59). -58655, JP 58-1
38385, etc.).
かかるコントロールユニットは、従来第３図に示すよう
に、箱状容器１の壁内表面に、チップ部品等の電気部品
２を装着してなるフレキシブルプリント基板（基板本体
を絶縁層コーティングした後印刷配線を施してなる基板
で、かつ可撓性を有するもの）３が張り付けられてい
る。尚、４はコネクタである。As shown in FIG. 3, the control unit of the related art is a flexible printed circuit board in which an electric component 2 such as a chip component is mounted on the inner surface of the wall of the box-shaped container 1 (printed wiring after the substrate body is coated with an insulating layer). And a flexible substrate 3 is attached. Incidentally, 4 is a connector.
〈考案が解決しようとする課題〉 しかしながら、このような従来のコントロールユニット
にあっては、前記箱状容器１を樹脂製とした場合は該コ
ントロールユニットと他の機器との間のノイズ伝播対策
を施さないと、コントロールユニットを車載した場合
に、車に搭載された他の電気部品が発する伝播ノイズ等
による電波障害を受けたり、逆に車載ラジオ等に悪影響
を及ぼし、ラジオノイズとして受信されたりすることが
ある。<Problems to be solved by the invention> However, in such a conventional control unit, when the box-shaped container 1 is made of resin, noise propagation measures between the control unit and other devices are taken. Otherwise, when the control unit is mounted on the vehicle, it may be interfered with by radio noise generated by other electric parts mounted on the vehicle, or adversely affect the on-vehicle radio, etc., and may be received as radio noise. Sometimes.
一方、箱状容器１をAl,Fe,Cu等若しくはこれら夫々の合
金による金属製とした場合は、前記ノイズの影響は無く
なるが重量が増加すると共に加工工数も増加し、もって
コストが上昇することとなる。On the other hand, when the box-shaped container 1 is made of a metal such as Al, Fe, Cu or the like or an alloy of each of these, the influence of the noise is eliminated, but the weight is increased and the processing man-hour is also increased, so that the cost is increased. Becomes
従って第４図に示すように、フレキシブルプリント基板
３の上板側と下板側とを上側金属板5,下側金属板６で覆
い、樹脂製の箱状容器１に入れて車載しているものがあ
るが、前記ノイズは箱状容器１の側部から伝播し前述し
た種々の悪影響を及ぼすと共に、設置場所にも制限を受
けるという問題点がある。Therefore, as shown in FIG. 4, the upper plate side and the lower plate side of the flexible printed circuit board 3 are covered with the upper metal plate 5 and the lower metal plate 6, and the flexible printed circuit board 3 is put in the resin box-shaped container 1 and mounted on the vehicle. However, there is a problem in that the noise propagates from the side of the box-like container 1 and has various adverse effects as described above, and the installation place is also limited.
本考案はこのような従来の実情に鑑みなされたもので、
耐電波障害性及び耐ラジオノイズ性に優れコストも低い
コントロールユニットを提供することを目的とする。The present invention has been made in view of such a conventional situation,
It is an object of the present invention to provide a control unit that has excellent resistance to radio interference and resistance to radio noise and is low in cost.
〈課題を解決するための手段〉 このため、本考案は、屈曲されたフレキシブルプリント
基板の屈曲外側の対向する面に金属製の板が配置される
コントロールユニットであって、該フレキシブルプリン
ト基板に屈曲によって前記対向面と直角な面を覆う曲げ
部を設けると共に、該曲げ部の外側を、電磁遮蔽体層を
設けたリジッド基板で覆い、前記対向面に沿うリジッド
基板端縁部を前記金属製の板に形成した溝に嵌合する構
成とした。<Means for Solving the Problems> Therefore, the present invention is a control unit in which a metal plate is arranged on opposite surfaces on the outside of the bent flexible printed circuit board, and the flexible printed circuit board is bent. By providing a bent portion that covers a surface perpendicular to the facing surface by the above, the outside of the bent portion is covered with a rigid substrate provided with an electromagnetic shield layer, and a rigid substrate end edge portion along the facing surface is made of the metal. It was configured to fit in the groove formed in the plate.
〈作用〉 上記構成においては、フレキシブルプリント基板を屈曲
させてコントロールユニットを構成し場合、屈曲外側の
対向する面に金属製の板が配置されており、該金属製の
板は電磁遮蔽体であるので、屈曲外側の対向する面は電
磁遮蔽体層で覆われることとなる。また、該フレキシブ
ルプリント基板に設けられた曲げ部の外側に電磁遮蔽体
層を設けたリジッド基板が設けられており、該曲げ部が
前記対向面と直角な面を覆う構成により、該側面部も電
磁遮蔽体層で覆われることとなる。<Operation> In the above configuration, when the flexible printed circuit board is bent to form the control unit, metal plates are arranged on the opposite surfaces on the outside of the bending, and the metal plate is an electromagnetic shield. Therefore, the opposing surfaces on the outside of the bend are covered with the electromagnetic shield layer. Further, a rigid substrate provided with an electromagnetic shield layer is provided outside a bent portion provided on the flexible printed circuit board, and the bent portion covers a surface perpendicular to the facing surface. It will be covered with the electromagnetic shield layer.
従って、電波障害及びラジオノイズに強くなり、コント
ロールユニットの設置場所の限定を受けずに済み、種々
の不都合を解消できる。Therefore, it becomes resistant to radio interference and radio noise, and it is not necessary to limit the installation location of the control unit, and various inconveniences can be solved.
〈実施例〉 以下に本考案の実施例を図面に基づいて説明する。尚、
従来例と同一要素には同一符号を付して説明を簡単にす
る。<Embodiment> An embodiment of the present invention will be described below with reference to the drawings. still,
The same elements as those of the conventional example are designated by the same reference numerals to simplify the description.
本考案の実施例を示す第１図及び第２図において、フレ
キシブルプリント基板３を屈曲させ、該フレキシブルプ
リント基板３の上板側と下板側とを上側金属板5,下側金
属板６で覆い、例えば図示しない樹脂製の箱状容器に入
れて車載している。1 and 2 showing an embodiment of the present invention, the flexible printed circuit board 3 is bent, and the upper plate side and the lower plate side of the flexible printed circuit board 3 are formed by an upper metal plate 5 and a lower metal plate 6. The vehicle is covered with, for example, a resin-made box-shaped container (not shown) and is mounted on the vehicle.
ここで、本実施例に係る構成として、フレキシブルプリ
ント基板３が屈曲された時に、前記上側金属板5,下側金
属板６により挟まれる側面部を覆う曲げ部８及び９を設
けると共に、該曲げ部８及び９を覆うようなリジッド基
板10,11を設けている。そして、フレキシブルプリント
基板３が屈曲された時に、該リジッド基板10,11が前記
上側金属板5,下側金属板６に設けた溝12,13に嵌込ま
れ、前記側面部を完全に覆う。Here, as the configuration according to the present embodiment, when the flexible printed circuit board 3 is bent, the bent portions 8 and 9 are provided to cover the side surface portion sandwiched by the upper metal plate 5 and the lower metal plate 6, and Rigid substrates 10 and 11 are provided so as to cover the portions 8 and 9. Then, when the flexible printed board 3 is bent, the rigid boards 10 and 11 are fitted into the grooves 12 and 13 provided in the upper metal plate 5 and the lower metal plate 6 to completely cover the side surface portions.
さらに、該リジッド基板10,11は複層に形成されてお
り、最外側の一層を電磁遮蔽体である全面導電体として
おり、前記フレキシブルプリント基板３とリジッド基板
10,11とは接着材により機械的に接続されると共に、パ
ターン相互がリード線等で電気的に接続されている。Further, the rigid boards 10 and 11 are formed in multiple layers, and the outermost one layer is a full-surface conductor that is an electromagnetic shield, and the flexible printed board 3 and the rigid board are
10 and 11 are mechanically connected by an adhesive material, and the patterns are electrically connected by lead wires or the like.
従って、フレキシブルプリント基板３を屈曲させてコン
トロールユニットを構成した場合、屈曲外側の上板側と
下板側とは電磁遮蔽体である上側金属板5,下側金属板６
により覆われることとなり、また、側面部７は、リジッ
ド基板10,11の電磁遮蔽体層で覆われることとなる。Therefore, when the flexible printed circuit board 3 is bent to form the control unit, the upper metal plate 5 and the lower metal plate 6 which are electromagnetic shields are provided on the upper plate side and the lower plate side outside the bending.
Further, the side surface portion 7 is covered with the electromagnetic shield layer of the rigid substrates 10 and 11.
従って、全面が電磁遮蔽体層で覆われるので電波障害及
びラジオノイズに強くなる。更に、コントロールユニッ
トの設置場所の限定を受けずに済むので、外部の電子機
器とコントロールユニットとを接続するハーネスを短く
することも可能となり、ラジオノイズや電波障害に対し
て更に強くなる。Therefore, since the entire surface is covered with the electromagnetic shield layer, it is resistant to radio interference and radio noise. Further, since it is not necessary to limit the installation location of the control unit, it is possible to shorten the harness that connects the external electronic device and the control unit, and it becomes even stronger against radio noise and radio interference.
また本実施例においては、フレキシブルプリント基板３
の前記曲げ部8,9及びリジッド基板10,11を利用して電気
部品を実装できるので、実装密度が大幅に向上するとい
う効果もある。Further, in the present embodiment, the flexible printed circuit board 3
Since the electric parts can be mounted using the bent portions 8 and 9 and the rigid boards 10 and 11, there is also an effect that the mounting density is significantly improved.
〈考案の効果〉 以上説明したように、本考案によれば、上側と下側とに
金属製の板が配置されたフレキシブルプリント基板の側
面部を、完全に電磁遮蔽体層で覆う構成としたので、該
フレキシブルプリント基板は全方向から電磁波に対して
遮蔽され、コスト増加を伴わないで耐電波障害及び耐ラ
ジオノイズの性能を得ることができる実用的効果大なる
ものである。また、フレキシブルプリント基板の曲げ部
及びリジッド基板を利用して電気部品を実装できるた
め、コントロールユニットの実装密度を大幅に向上でき
る効果を有する。<Effects of the Invention> As described above, according to the present invention, the side surface of the flexible printed circuit board having the metal plates on the upper side and the lower side is completely covered with the electromagnetic shield layer. Therefore, the flexible printed circuit board is shielded from electromagnetic waves from all directions, and it is possible to obtain the performance of radio wave interference resistance and radio noise resistance without increasing the cost, which is a great practical effect. Further, since the electric parts can be mounted by utilizing the bent portion of the flexible printed board and the rigid board, there is an effect that the mounting density of the control unit can be significantly improved.
第１図は本考案に係るコントロールユニットの実施例を
示す正面断面図、第２図は同上のコントロールユニット
における組立構造を示す平面図、第３図及び第４図は従
来のコントロールユニットを示す正面断面図である。 ３……フレキシブルプリント基板、５……上側金属板、
６……下側金属板、8,9……曲げ部、10,11……リジッド
基板FIG. 1 is a front sectional view showing an embodiment of a control unit according to the present invention, FIG. 2 is a plan view showing an assembly structure of the same control unit, and FIGS. 3 and 4 are front views showing a conventional control unit. FIG. 3 ... Flexible printed circuit board, 5 ... Upper metal plate,
6 …… Lower metal plate, 8,9 …… Bending part, 10,11 …… Rigid substrate
Claims (1)
曲外側の対向する面に金属製の板が配置されるコントロ
ールユニットであって、該フレキシブルプリント基板に
屈曲によって前記対向面と直角な面を覆う曲げ部を設け
ると共に、該曲げ部の外側を、電磁遮蔽体層を設けたリ
ジッド基板で覆い、前記対向面に沿うリジッド基板端縁
部を前記金属製の板に形成した溝に嵌合する構成とした
ことを特徴とするコントロールユニット。1. A control unit, in which a metal plate is arranged on opposite surfaces of a bent flexible printed circuit board on the outside of the bending, and the flexible printed circuit board is bent to cover a surface perpendicular to the opposed surface by the bending. A portion provided, the outside of the bent portion is covered with a rigid substrate provided with an electromagnetic shield layer, and a rigid substrate end edge portion along the facing surface is fitted in a groove formed in the metal plate. A control unit that is characterized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990011792U JPH0744062Y2 (en) | 1990-02-08 | 1990-02-08 | control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990011792U JPH0744062Y2 (en) | 1990-02-08 | 1990-02-08 | control unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03102786U JPH03102786U (en) | 1991-10-25 |
| JPH0744062Y2 true JPH0744062Y2 (en) | 1995-10-09 |
Family
ID=31515309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990011792U Expired - Lifetime JPH0744062Y2 (en) | 1990-02-08 | 1990-02-08 | control unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744062Y2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863798U (en) * | 1981-10-23 | 1983-04-28 | オリンパス光学工業株式会社 | Electromagnetic wave shielding material |
| JPS6439700U (en) * | 1987-09-04 | 1989-03-09 | ||
| JPH0158997U (en) * | 1987-10-09 | 1989-04-13 |
-
1990
- 1990-02-08 JP JP1990011792U patent/JPH0744062Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03102786U (en) | 1991-10-25 |
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