JPH07162172A - Electronic equipment - Google Patents

Electronic equipment

Info

Publication number
JPH07162172A
JPH07162172A JP30566893A JP30566893A JPH07162172A JP H07162172 A JPH07162172 A JP H07162172A JP 30566893 A JP30566893 A JP 30566893A JP 30566893 A JP30566893 A JP 30566893A JP H07162172 A JPH07162172 A JP H07162172A
Authority
JP
Japan
Prior art keywords
rack
power supply
conductive metal
case
electronic unit
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.)
Withdrawn
Application number
JP30566893A
Other languages
Japanese (ja)
Inventor
Akira Kikuchi
章 菊地
Yutaka Matsukuma
豊 松隈
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP30566893A priority Critical patent/JPH07162172A/en
Publication of JPH07162172A publication Critical patent/JPH07162172A/en
Withdrawn legal-status Critical Current

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  • Mounting Of Printed Circuit Boards And The Like (AREA)

Abstract

PURPOSE:To reduce the number of components, to produce an electronic equipment at a low cost and to restrict the increase in resistance loss at a power supply with respect to an electronic equipment in which electronic units are mounted in a multi-stage way in a frame. CONSTITUTION:In the configuration of an electronic equipment, provided are a power supply bus 30 equipped with plate-shaped conductive metal straps 31 almost as long as the height of a frame 10 and female-side contacts 50 to be mounted at the rear surface side of a back board 40 so as to connect them to a power supply layer of the back board 40 of an electronic unit 1; the power supply bus 30 is fixed to a frame-rear-face board member 11 of the frame 10 in a longitudinal state with the side edge in longitudinal direction of the conductive metal strap 31 positioned at the front; and the female side contacts 50 are fitted to the conductive metal strap 31 and connected to the power supply bus 30 in the state where the electric unit 1 is mounted to the frame 10.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、架に電子ユニットを多
段に搭載する電子機器に係わり、特に電源バスの構造に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device in which electronic units are mounted on a rack in multiple stages, and more particularly to a structure of a power supply bus.

【0002】[0002]

【従来の技術】図5は電子機器の斜視図であり、図6は
従来の電源バスを装着した電子機器の斜視図である。
2. Description of the Related Art FIG. 5 is a perspective view of an electronic device, and FIG. 6 is a perspective view of an electronic device equipped with a conventional power supply bus.

【0003】図5において、10は、左右の両側に架柱部
材を対向して固着した架であって、それぞれの架柱部材
は、架後面板部材11と架前側板部材12とを有する。1
は、前面が開口した箱形のシェルフ2に印刷配線板3を
並列に挿着収容した電子ユニットである。
In FIG. 5, reference numeral 10 designates a rack in which gantry members are fixed to opposite sides of the right and left sides, and each gantry member has a rack back face plate member 11 and a rack front side plate member 12. 1
Is an electronic unit in which a printed wiring board 3 is inserted in parallel and housed in a box-shaped shelf 2 having an open front surface.

【0004】電子ユニット1は架10内に多段に重置し搭
載するように構成されている。詳述すると、シェルフ2
の左右の両側縁の上部に、長さがシェルフ2の奥行きよ
りもわずかに小さい角柱形部材4が固着されている。
The electronic units 1 are constructed so as to be stacked and mounted on the rack 10 in multiple stages. To be more specific, shelf 2
A prismatic member 4 having a length slightly smaller than the depth of the shelf 2 is fixed to the upper portions of the left and right side edges of the shelf 2.

【0005】この角柱形部材4の後端面から後方に突出
するように、前述の架後面板部材11に設けた係合孔19に
嵌入し係着するピン5を設けている。一方、角柱形部材
4の前端面に、ねじ9が螺着するねじ孔7を設けてい
る。
A pin 5 is provided so as to project rearward from the rear end face of the prismatic member 4 and which is fitted into and engaged with the engagement hole 19 provided in the aforesaid back plate member 11. On the other hand, a screw hole 7 into which a screw 9 is screwed is provided on the front end surface of the prismatic member 4.

【0006】また、電子ユニット1の下部の両側には、
下方に搭載した電子ユニット1の角柱形部材4に係合す
る点線で示す段差Kを設けている。下段に搭載した電子
ユニット1の角柱形部材4に、段差Kを係合して上段に
搭載する電子ユニット1を重ね、その電子ユニット1を
架10内に押し込んで、ピン5を対応する係合孔19に係着
させ、ねじ9を上段の電子ユニット1の下部に設けたね
じ用孔に差込み、ねじ9の先端を下段の電子ユニット1
のねじ孔7に螺着して、上下の電子ユニット1がずれな
いように固着している。
On both sides of the lower part of the electronic unit 1,
A step K shown by a dotted line that engages with the prismatic member 4 of the electronic unit 1 mounted below is provided. The stepped portion K is engaged with the prismatic member 4 of the electronic unit 1 mounted on the lower stage, the electronic unit 1 mounted on the upper stage is overlaid, the electronic unit 1 is pushed into the rack 10, and the pin 5 is engaged correspondingly. The screw 9 is attached to the hole 19, and the screw 9 is inserted into the screw hole provided in the lower part of the upper electronic unit 1, and the tip of the screw 9 is inserted in the lower electronic unit 1.
It is screwed into the screw hole 7 and is fixed so that the upper and lower electronic units 1 are not displaced.

【0007】なお、固着ねじ8を前後方向に貫通するよ
うに電子ユニット1の孔に挿入し、この固着ねじ8の先
端を架後面板部材11のねじ孔に螺着して、電子ユニット
1を架10に固定しているものもある。
The fixing screw 8 is inserted into the hole of the electronic unit 1 so as to penetrate in the front-rear direction, and the tip of the fixing screw 8 is screwed into the screw hole of the back surface plate member 11 to fix the electronic unit 1. Some are fixed to the rack 10.

【0008】また、シェルフ2の左右のそれぞれの側板
に、それぞれ外側に直角に突出するよう板部材を取付け
て、この板部材を架前側板部材12等にねじ止めして、電
子ユニット1を架10に固定したものもある。
Further, plate members are attached to the left and right side plates of the shelf 2 so as to project to the outside at right angles, and the plate members are screwed to the front side plate member 12 or the like to mount the electronic unit 1. Some are fixed at 10.

【0009】なお、最下段の電子ユニット1は、床に載
置した基台(図示省略)上に載せて、その重量を基台で
支えるようにしている。上述の電子ユニット1のそれぞ
れの印刷配線板3に、電源(例えば直流48V)を給電す
る必要がある。
The lowermost electronic unit 1 is placed on a base (not shown) placed on the floor so that the weight of the electronic unit 1 is supported by the base. It is necessary to supply a power supply (for example, DC 48 V) to each printed wiring board 3 of the electronic unit 1 described above.

【0010】電源ケーブルを架の上部に配線し、電源ケ
ーブル−電源バス−印刷配線板の電源供給路を構成した
ものが多い。従来の電源バス20は図6に図示したよう
に、長さが架10の高さにほぼ等しい、前面が開口したチ
ャンネル形の金属板(例えばアルミニウム)よりなるケ
ース23と、ケース23内に充填した合成樹脂22と、合成樹
脂22により絶縁されてケース23に収容固定される細長い
板厚が薄い長板状の複数(図では3枚)の良導電性金属
板(例えば銅板)21とからなるものである。
In many cases, a power cable is laid on the upper part of the rack to form a power supply path of power cable-power bus-printed wiring board. As shown in FIG. 6, the conventional power supply bus 20 has a case 23 made of a channel-shaped metal plate (for example, aluminum) having an open front surface and having a length substantially equal to the height of the rack 10. And a plurality of long thin plate-shaped (three in the figure) good conductive metal plates (for example, copper plates) 21 that are insulated by the synthetic resin 22 and are housed and fixed in the case 23. It is a thing.

【0011】このような電源バス20は、良導電性金属板
21の長手方向の側縁を前面にした縦長の状態で、架10の
左右の両側に固着されている。それぞれの良導電性金属
板21の上部は、図示省略した電源ケーブルに接続されて
いる。
The power supply bus 20 is made of a metal plate having good conductivity.
It is fixed to both left and right sides of the rack 10 in a vertically long state with the side edges in the longitudinal direction of 21 facing the front. The upper part of each good conductive metal plate 21 is connected to a power cable (not shown).

【0012】一方、それぞれの良導電性金属板21の側縁
で電子ユニット1に対応する位置に、手前側に突出する
舌片状の導出片を設けて、この導出片と架前側板部材12
に搭載したコネクタ24を導線を介して接続している。
On the other hand, a tongue-shaped lead-out piece projecting to the front side is provided at a position corresponding to the electronic unit 1 at a side edge of each good conductive metal plate 21, and the lead-out piece and the front-side plate member 12 are provided.
The connector 24 mounted in is connected via a conductor.

【0013】そして、ケーブル25の両端に装着した一方
のケーブルコネクタ26-1を前述のコネクタ24にプラグイ
ンし、他方のケーブルコネクタ26-2を印刷配線板3の前
側縁に搭載したコネクタにプラグインして、電源バス20
と印刷配線板3とを接続している。
Then, one cable connector 26-1 attached to both ends of the cable 25 is plugged into the above-mentioned connector 24, and the other cable connector 26-2 is plugged into the connector mounted on the front side edge of the printed wiring board 3. In and power bus 20
And the printed wiring board 3 are connected.

【0014】なお、電源ユニットを構成する印刷配線板
は、電子ユニットの左右の両側にそれぞれ数個挿着され
ているので、電源バス20もまた、架10の両側にそれぞれ
1基取り付けている。
Since several printed wiring boards constituting the power supply unit are inserted on both the left and right sides of the electronic unit, one power supply bus 20 is also installed on each side of the rack 10.

【0015】[0015]

【発明が解決しようとする課題】ところで上記従来の電
子機器は、架10の外側に電源バス20を取付けるとともに
架前側板部材12にコネクタ24を搭載し、このコネクタ24
を導線を介して電源バス20の良導電性金属板21に接続す
るとともに、電子ユニット1の前面に配線するコネクタ
付のケーブル25を介して、コネクタ24と印刷配線板3を
接続して、電源を電子ユニット1に供給するものであ
る。
By the way, in the above-mentioned conventional electronic equipment, the power supply bus 20 is mounted on the outside of the rack 10 and the connector 24 is mounted on the front plate member 12 of the rack.
Is connected to the good conductive metal plate 21 of the power supply bus 20 via a conducting wire, and the connector 24 and the printed wiring board 3 are connected via a cable 25 with a connector to be wired on the front surface of the electronic unit 1 to supply power. Is supplied to the electronic unit 1.

【0016】したがって、架前側板部材に搭載する多数
のコネクタと、電子ユニットの前面に配線する多数のコ
ネクタ付ケーブルとを必要とし、コスト高になるという
問題点があった。
Therefore, a large number of connectors to be mounted on the front side plate member and a large number of cables with connectors to be wired on the front surface of the electronic unit are required, which causes a problem of high cost.

【0017】一方、電源バスはそれぞれの良導電性金属
板が長板状で断面積が小さいので、熱が発生して抵抗が
増加し、抵抗損が大きいという問題点があった。本発明
はこのような点に鑑みて創作されたもので、部品点数が
少なくて低コストな電子機器をを提供することを目的と
している。また他の目的は、電源バスの抵抗損の増加を
抑制することにある。
On the other hand, in the power supply bus, since each conductive metal plate is a long plate and has a small cross-sectional area, there is a problem that heat is generated to increase resistance and resistance loss is large. The present invention was created in view of the above points, and an object of the present invention is to provide an electronic device having a small number of parts and a low cost. Another object is to suppress an increase in ohmic loss of the power bus.

【0018】[0018]

【課題を解決するための手段】上記の目的を達成するた
めに本発明は、図1に例示したように、シェルフ2に印
刷配線板3を並列に挿着してなる電子ユニット1と、電
子ユニット1を多段に搭載する架10と、からなる電子機
器において、長さが架10の高さにほぼ等しい板状の良導
電性金属板31を備えた電源バス30と、電子ユニット1の
バックボード40の電源層に接続するよう、バックボード
40の裏面側に搭載されるめす側コンタクト50とを備えた
もので、良導電性金属板31の長手方向の側縁を前面にし
た縦長の状態で電源バス30を、架10の架後面板部材11に
固着する。
In order to achieve the above object, the present invention provides an electronic unit 1 in which a printed wiring board 3 is inserted in parallel to a shelf 2 as shown in FIG. In an electronic device including a rack 10 on which the units 1 are mounted in multiple stages, a power bus 30 including a plate-shaped good conductive metal plate 31 having a length substantially equal to the height of the rack 10, and a back of the electronic unit 1. Backboard to connect to the power layer of board 40
It is provided with a female side contact 50 mounted on the back side of 40, the power bus 30 in a vertically long state with the side edge in the longitudinal direction of the good conductive metal plate 31 as the front, and the back plate of the rack 10. It is fixed to the member 11.

【0019】そして、電子ユニット1を架10に搭載する
ことで、めす側コンタクト50が良導電性金属板31に嵌合
し接続する構成とする。また、図4に例示したように、
電源バス30を、前面が開口した浅いチャンネル形で、長
さが架10の高さにほぼ等しい金属板よりなるケース33
と、ケース33内に充填される合成樹脂32と、合成樹脂32
により絶縁されてケース33内に収容固定される断面がほ
ぼL形で、長さがケース33の長さにほぼ等しい複数の良
導電性金属板31とからなるものとし、 良導電性金属板
31は、選択した長手方向の側縁がケース33の前面よりも
手前側に突出するよう並列してケース33に固定されてい
る構成とする。
By mounting the electronic unit 1 on the rack 10, the female side contact 50 is fitted and connected to the good conductive metal plate 31. In addition, as illustrated in FIG.
The power bus 30 is a shallow channel type with an open front and is made of a metal plate whose length is approximately equal to the height of the rack 10.
And the synthetic resin 32 filled in the case 33, and the synthetic resin 32.
It is assumed that it is composed of a plurality of good conductive metal plates 31 having a substantially L-shaped cross section which is insulated by and is housed and fixed in the case 33, and has a length substantially equal to the length of the case 33.
31 is fixed to the case 33 in parallel so that the selected side edge in the longitudinal direction projects toward the front side of the front surface of the case 33.

【0020】或いはさらにまた、電源バス30のケース33
の裏面に、放熱フィン60を並列に設けた構成とする。
Alternatively or additionally, the case 33 of the power bus 30
The heat radiation fins 60 are provided in parallel on the back surface of the.

【0021】[0021]

【作用】本発明の電子機器は、電子ユニットを架に搭載
すると、電子ユニット側に搭載しためす側コンタクトが
電源バスに嵌合して、電源バス−めす側コンタクト−印
刷配線板という電源路が構成される。
In the electronic apparatus of the present invention, when the electronic unit is mounted on the rack, the power side contact mounted on the side of the electronic unit is fitted to the power source bus, and the power source path of the power source bus-female side contact-printed wiring board is formed. Composed.

【0022】即ち、従来のように架前側板部材に搭載す
る多数のコネクタ及び電子ユニットの前面に配線する多
数のコネクタ付ケーブルを必要としないので、電子機器
が低コストとなる。
That is, since a large number of connectors mounted on the front side plate member and a large number of cables with connectors wired on the front surface of the electronic unit, which are required in the prior art, are not required, the electronic equipment can be manufactured at low cost.

【0023】また、断面がほぼL形の複数の良導電性金
属板を有する電源バスとしたことで、良導電性金属板の
断面積が大きい。よって、電源バスの抵抗損の増加が抑
制される。
Further, since the power source bus has a plurality of good conductive metal plates having a substantially L-shaped cross section, the cross section of the good conductive metal plate is large. Therefore, increase in resistance loss of the power supply bus is suppressed.

【0024】さらにまた電源バスに放熱フィンを配設す
ることで、電源バスの放熱性が向上するので、電源バス
の抵抗損の増加がさらに抑制される。
Further, by disposing the heat dissipation fins on the power supply bus, the heat dissipation of the power supply bus is improved, so that the increase in resistance loss of the power supply bus is further suppressed.

【0025】[0025]

【実施例】以下図を参照しながら、本発明を具体的に説
明する。なお、全図を通じて同一符号は同一対象物を示
す。
The present invention will be described in detail with reference to the drawings. The same reference numerals denote the same objects throughout the drawings.

【0026】図1は本発明の実施例の一部破断平面図、
図2はめす側コンタクトの一実施例の斜視図、図3は電
子ユニットの裏面側斜視図であり、図4は電源バスの斜
視図である。
FIG. 1 is a partially cutaway plan view of an embodiment of the present invention,
2 is a perspective view of one embodiment of the female side contact, FIG. 3 is a rear side perspective view of the electronic unit, and FIG. 4 is a perspective view of the power supply bus.

【0027】左右の両側に架柱部材を対向して固着して
なる、電子ユニット1を多段に重ねて搭載する架10は、
図5に図示したようにそれぞれの架柱部材が、架後面板
部材11と架前側板部材12とを有する。
The rack 10 on which the electronic units 1 are mounted in a multi-tiered manner, in which rack members are fixed to face each other on the left and right sides,
As shown in FIG. 5, each frame member has a back surface plate member 11 and a front side plate member 12.

【0028】なお、それぞれの架後面板部材11の内側面
には、上下方向に走行する長板状のアースバー18を垂直
に取り付けてある。一方、前面が開口した箱形のシェル
フ2に、印刷配線板3を並列に挿着収容することで構成
される電子ユニット1は、図1に図示したようにシェル
フ2の後面にバックボード40を取付けてある。
A long plate-shaped earth bar 18 that runs vertically is vertically attached to the inner surface of each back plate member 11. On the other hand, as shown in FIG. 1, the electronic unit 1 configured by inserting and housing the printed wiring boards 3 in parallel in the box-shaped shelf 2 having an open front surface has the backboard 40 on the rear surface of the shelf 2. It is installed.

【0029】このバックボード40の内側に配設したバッ
クボードコネクタに、プリント板コネクタ(印刷配線板
の挿入側の側縁部に実装したコネクタを指す)をプラグ
インして、印刷配線板3をシェルフ2に並列に挿着収容
するようになっている。
A printed board connector (referred to as a connector mounted on a side edge portion of the insertion side of the printed wiring board) is plugged into the backboard connector provided inside the backboard 40, and the printed wiring board 3 is attached. It is designed to be inserted and accommodated in parallel with the shelf 2.

【0030】電子ユニット1は図4,5に図示したよう
に、シェルフ2の左右の両側縁の上部に、長さがシェル
フ2の奥行きよりもわずかに小さい角柱形部材4が固着
され、この角柱形部材4の後端面から後方に突出するよ
うに、前述の架後面板部材11に設けた係合孔19に嵌入し
係着するピン5を設けている。
As shown in FIGS. 4 and 5, the electronic unit 1 has a prismatic member 4 fixed to the upper portions of the left and right edges of the shelf 2 and having a length slightly smaller than the depth of the shelf 2. A pin 5 is provided so as to project rearward from the rear end face of the shaped member 4 and which is fitted into and engaged with the engaging hole 19 provided in the above-mentioned rear surface plate member 11.

【0031】一方、角柱形部材4の前端面に、ねじ9が
螺着するねじ孔7を設けている。また、電子ユニット1
の下部の両側には、下方に搭載した電子ユニット1の角
柱形部材4に係合する点線で示す段差Kを設けている。
On the other hand, a screw hole 7 into which a screw 9 is screwed is provided on the front end face of the prismatic member 4. Also, the electronic unit 1
Steps K shown by dotted lines for engaging the prismatic members 4 of the electronic unit 1 mounted below are provided on both sides of the lower part of the.

【0032】下段に搭載した電子ユニット1の角柱形部
材4に、段差Kを係合して上段に搭載する電子ユニット
1を重ね、その電子ユニット1を架10内に押し込んで、
ピン5を対応する係合孔19に係着させ、ねじ9を上段の
電子ユニット1の下部に設けたねじ用孔に差込み、ねじ
9の先端を下段の電子ユニット1のねじ孔7に螺着し
て、上下の電子ユニット1がずれないように固着してい
る。
The stepped portion K is engaged with the prismatic member 4 of the electronic unit 1 mounted on the lower stage to overlap the electronic unit 1 mounted on the upper stage, and the electronic unit 1 is pushed into the rack 10.
The pin 5 is engaged with the corresponding engagement hole 19, the screw 9 is inserted into the screw hole provided in the lower portion of the upper electronic unit 1, and the tip of the screw 9 is screwed into the screw hole 7 of the lower electronic unit 1. Then, the upper and lower electronic units 1 are fixed so as not to shift.

【0033】なお、固着ねじ8を前後方向に貫通するよ
うに電子ユニット1の孔に挿入し、この固着ねじ8の先
端を架後面板部材11のねじ孔に螺着して、電子ユニット
1を架10に固定している。
The fixing screw 8 is inserted into the hole of the electronic unit 1 so as to penetrate in the front-rear direction, and the tip of the fixing screw 8 is screwed into the screw hole of the back surface plate member 11 to fix the electronic unit 1. It is fixed to the rack 10.

【0034】50は、バックボード40の電源層に接続する
よう、バックボード40の裏面側に搭載する、弾性ある良
導電性金属(例えば燐青銅等のような銅系合金)よりな
るめす側コンタクトである。
Reference numeral 50 denotes a female side contact mounted on the back side of the backboard 40 so as to be connected to the power supply layer of the backboard 40 and made of an elastic and highly conductive metal (for example, a copper alloy such as phosphor bronze). Is.

【0035】めす側コンタクト50は、後述する電源バス
30のそれぞれの良導電性金属板31に対応する位置に、そ
れぞれ搭載されている。めす側コンタクト50は、詳細を
図2に図示したように平面視がコ形の本体部51と、本体
部51の背面側に突出した2個のピン部52からなるもの
で、本体部51は後述する電源バス30の良導電性金属板31
の両側面を挟むように嵌合することで、良導電性金属板
31に接続するものである。
The female side contact 50 is a power supply bus described later.
They are mounted at the positions corresponding to the respective highly conductive metal plates 31 of 30. As shown in detail in FIG. 2, the female-side contact 50 includes a main body portion 51 having a U-shaped plan view, and two pin portions 52 projecting to the back side of the main body portion 51. A highly conductive metal plate 31 of the power supply bus 30 described later.
By fitting so that both sides of the
It connects to 31.

【0036】ピン部52は印刷配線板3の電源層に繋がる
スルーホールに挿入され、はんだ付けされるものであ
る。なお、バックボード40には、アース層に接続するよ
うに他のめす側コンタクト50-1を搭載している。このめ
す側コンタクト50-1は前述のアースバー18に嵌合するも
のである。
The pin portion 52 is inserted into a through hole connected to the power source layer of the printed wiring board 3 and soldered. The backboard 40 is equipped with another female side contact 50-1 so as to be connected to the ground layer. The female side contact 50-1 is fitted to the above-mentioned earth bar 18.

【0037】30は、長さが架10の高さにほぼ等しい板状
の良導電性金属板31を有する電源バスであって、架10と
は絶縁されて、良導電性金属板31の長手方向の側縁を前
面にした縦長の状態で架後面板部材11に固着される。
Reference numeral 30 denotes a power source bus having a plate-shaped good conductive metal plate 31 having a length substantially equal to the height of the rack 10. The bus 30 is insulated from the frame 10 and the length of the good conductive metal plate 31 is long. It is fixed to the rack rear face plate member 11 in a vertically long state with the side edge in the direction being the front.

【0038】なお、良導電性金属板31は長板状であって
も良いが、電源バス30を架10に固着する都合上及び電子
機器の小型化上の理由から、図4に図示したように断面
をほぼL形することが望ましい。
The good conductive metal plate 31 may be in the form of a long plate, but as shown in FIG. 4 for the convenience of fixing the power bus 30 to the rack 10 and the miniaturization of electronic equipment. It is desirable that the cross section be substantially L-shaped.

【0039】電源バス30は、詳細を図4に図示したよう
に長さが架10の高さにほぼ等しい前面が開口した浅いチ
ャンネル形の金属板(例えばアルミニウム)よりなるケ
ース33と、ケース33内に充填される合成樹脂32と、合成
樹脂32により絶縁されてケース33内に収容固定される複
数(図4では6枚)の良導電性金属板31とからなる電源
バスである。
As shown in detail in FIG. 4, the power supply bus 30 has a case 33 made of a shallow channel-shaped metal plate (for example, aluminum) having a front surface whose length is substantially equal to the height of the rack 10 and a case 33. The power supply bus is composed of a synthetic resin 32 filled therein and a plurality of (six in FIG. 4) good conductive metal plates 31 insulated by the synthetic resin 32 and accommodated and fixed in the case 33.

【0040】それぞれの良導電性金属板31は、垂直板部
31A と平行板部31B とからなる断面がほぼL形(例えば
板厚が薄い銅板をL形に折曲げ加工したもの)で、長さ
がケース33の長さにほぼ等しい長板状である。
Each good conductive metal plate 31 is a vertical plate portion.
The cross section including 31A and the parallel plate portion 31B is substantially L-shaped (for example, a thin copper plate is bent into an L-shape), and has a long plate shape whose length is substantially equal to the length of the case 33.

【0041】一対の良導電性金属板31は、平行板部31B
をケース33の後面板に平行にし、垂直板部31A の長手方
向の側縁がケース33の前面、即ち合成樹脂32の前面より
も手前側に突出するよう、ケース33の両側に対向した状
態で、合成樹脂32により絶縁されて固定されている。
The pair of good conductive metal plates 31 are parallel plate parts 31B.
Parallel to the rear plate of the case 33, and with the side edges of the vertical plate portion 31A in the longitudinal direction protruding toward the front side of the case 33, that is, the front side of the synthetic resin 32, facing both sides of the case 33. , And is insulated and fixed by the synthetic resin 32.

【0042】そして、他の一対の良導電性金属板31は、
コーナー部分が両側に装着した良導電性金属板31の内側
に絶縁されて重なるように装着され、さらに他の一対の
良導電性金属板31がその内側に絶縁されて重なるように
装着されている。
The other pair of good conductive metal plates 31 are
The corner parts are mounted so as to be insulated and overlap inside the good conductive metal plate 31 installed on both sides, and further, a pair of other good conductive metal plates 31 are installed so as to be insulated inside and overlap the inside. .

【0043】なお、それぞれの良導電性金属板31の垂直
板部31A の突出する高さは等しいものである。良導電性
金属板31の長手方向の側縁を前面にした縦長の状態で、
電源バス30を架10の一対の架後面板部材11に架橋するよ
うに装着し、ケース33の後面板が側板部材より壁より外
方向に突出した延伸部を、架後面板部材11にねじ止めし
て固着している。
The heights of the vertical plate portions 31A of the metal plates 31 having good conductivity are the same. In a vertically long state with the side edge in the longitudinal direction of the good conductive metal plate 31 in the front,
The power supply bus 30 is mounted so as to bridge the pair of rack rear face plate members 11 of the rack 10, and the extending portion where the rear face plate of the case 33 projects outward from the wall more than the side plate members is screwed to the rack rear face plate member 11. And is stuck.

【0044】そしてそれぞれの良導電性金属板31の上部
に突出した舌片35に、電源ケーブル37の端末に装着した
コネクタ36を着脱自在に嵌着して、電源ケーブル37と良
導電性金属板31とを接続している。
Then, the connector 36 attached to the end of the power cable 37 is detachably fitted to the tongue piece 35 protruding above each of the good conductive metal plate 31, and the power cable 37 and the good conductive metal plate are attached. It is connected to 31.

【0045】また、電源バス30のケース33の裏面側に、
多数の放熱フィン60を設けている。この放熱フィン60は
ケース33の後面板に一体に切削加工する。或いはダイキ
ャスト成形する。或いは溶接等して取付けることが考え
られる。
On the back side of the case 33 of the power bus 30,
A large number of heat radiation fins 60 are provided. The heat radiation fins 60 are integrally machined on the rear plate of the case 33. Alternatively, die casting is performed. Alternatively, it may be attached by welding or the like.

【0046】なお、図1には良導電性金属板31は4枚図
示してあるので、図3ではめす側コンタクト50を4個、
アース用のめす側コンタクト50-1を2個図示している。
図1,3に戻り、上述のように架後面板部材11に電源バ
ス30を取り付けた架10に、既に搭載した下段の電子ユニ
ット1の上に、段差Kを係合して上段に搭載する電子ユ
ニット1を重ね、その電子ユニット1を架10内に押し込
むと、先ずピン5が対応する架後面板部材11の係合孔19
に係合し、続いてめす側コンタクト50が対応する電源バ
ス30の良導電性金属板31に嵌合する。
Since four metal plates 31 of good conductivity are shown in FIG. 1, four female contacts 50 are shown in FIG.
Two female contacts 50-1 for grounding are shown.
Returning to FIGS. 1 and 3, on the rack 10 in which the power supply bus 30 is attached to the back plate member 11 of the rack as described above, the step K is engaged on the lower electronic unit 1 already mounted, and the upper unit is mounted. When the electronic units 1 are stacked and the electronic unit 1 is pushed into the rack 10, first, the engaging holes 19 of the back plate member 11 of the rack corresponding to the pins 5 are first formed.
Then, the female side contact 50 is fitted to the good conductive metal plate 31 of the corresponding power supply bus 30.

【0047】また、これと同時にアース側のめす側コン
タクト50-1が架後面板部材11のアースバー18に嵌合する
ので、電子ユニット1のアース回路が架10に接地する。
即ち、電子ユニット1を架10に押し込むように搭載する
ことで、電源ケーブル37−良導電性金属板31−めす側コ
ンタクト50−バックボード40−印刷配線板3という電源
路が構成される。
At the same time, since the female contact 50-1 on the ground side is fitted to the ground bar 18 of the back plate member 11 of the rack, the ground circuit of the electronic unit 1 is grounded to the rack 10.
That is, by mounting the electronic unit 1 so as to be pushed into the rack 10, a power supply path including the power supply cable 37, the highly conductive metal plate 31, the female side contact 50, the back board 40, and the printed wiring board 3 is formed.

【0048】よって、従来のように架前側板部材に搭載
する多数のコネクタ及び電子ユニットの前面に配線する
多数のコネクタ付ケーブルを必要としないので、電子機
器が低コストとなる。
Therefore, unlike the prior art, a large number of connectors mounted on the front side plate member and a large number of cables with connectors wired on the front surface of the electronic unit are not required, so that the cost of the electronic device can be reduced.

【0049】また、断面がほぼL形の複数の良導電性金
属板31を有する電源バス30としたことで、電源バス30の
前後方向の厚さが薄いのにかかわらず良導電性金属板31
の断面積を大きくすることができ、電源バスの抵抗損の
増加が抑制される。
Further, since the power supply bus 30 has a plurality of good conductive metal plates 31 having a substantially L-shaped cross section, the good conductive metal plate 31 is provided regardless of the thickness of the power supply bus 30 in the front-rear direction.
It is possible to increase the cross-sectional area of, and to suppress the increase of the resistance loss of the power supply bus.

【0050】さらにまた電源バス30に放熱フィン60を配
設したことで、電源バス30の放熱性が向上し、抵抗損の
増加がさらに抑制される。また、一対の架後面板部材11
に電源バス30を架橋しねじ止めして固定することで、架
10の強度が増加するという効果もある。
Further, by disposing the heat radiation fins 60 on the power supply bus 30, the heat dissipation of the power supply bus 30 is improved, and the increase of resistance loss is further suppressed. Further, the pair of rack rear surface plate members 11
By connecting the power bus 30 to the
It also has the effect of increasing the strength of 10.

【0051】一方、バックボード40に外部インターフェ
ースコネクタを搭載する場合には、前述の電源バス30に
窓を設けるものである。
On the other hand, when an external interface connector is mounted on the backboard 40, a window is provided on the power bus 30 described above.

【0052】[0052]

【発明の効果】以上説明したように本発明の電子機器
は、電子ユニットを架に搭載することで、電源バス−め
す側コンタクト−印刷配線板という電源路が構成され、
電源路の接続作業が簡単であるという効果を有する。
As described above, in the electronic device of the present invention, by mounting the electronic unit on the rack, a power source path including a power source bus, a female side contact, and a printed wiring board is formed.
This has the effect that the work of connecting the power supply path is simple.

【0053】また従来のように架前側板部材に搭載する
多数のコネクタ及び電子ユニットの前面に配線する多数
のコネクタ付ケーブルを必要としないので、電子機器が
低コストであるという効果を有する。
Further, unlike the prior art, since a large number of connectors mounted on the front side plate member and a large number of cables with connectors wired on the front surface of the electronic unit are not required, there is an effect that the electronic device is low in cost.

【0054】また、断面がほぼL形の複数の良導電性金
属板を有する電源バスとしたことで、電源バスの抵抗損
の増加が抑制される。さらにまた電源バスに放熱フィン
を配設することで、電源バスの放熱性が向上し、電源バ
スの抵抗損の増加がさらに抑制される。
Further, since the power supply bus has a plurality of good conductive metal plates having a substantially L-shaped cross section, an increase in resistance loss of the power supply bus is suppressed. Furthermore, by disposing the heat dissipation fins on the power supply bus, the heat dissipation of the power supply bus is improved, and the increase in resistance loss of the power supply bus is further suppressed.

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

【図1】本発明の実施例の一部破断平面図である。FIG. 1 is a partially cutaway plan view of an embodiment of the present invention.

【図2】めす側コンタクトの一実施例の斜視図である。FIG. 2 is a perspective view of an example of a female side contact.

【図3】電子ユニットの裏面側斜視図である。FIG. 3 is a rear perspective view of the electronic unit.

【図4】電源バスの斜視図である。FIG. 4 is a perspective view of a power supply bus.

【図5】電子機器の斜視図である。FIG. 5 is a perspective view of an electronic device.

【図6】従来の電源バスを装着した電子機器の斜視図で
ある。
FIG. 6 is a perspective view of an electronic device equipped with a conventional power supply bus.

【符号の説明】[Explanation of symbols]

1 電子ユニット 2 シェルフ 3 アースパターン 10 架 11 架後面板部材 12 架前側板部
材 20,30 電源バス 21,31 良導電
性金属板 22,32 合成樹脂 23,33 ケース
3 24 コネクタ 25 ケーブル 35 舌片 36 コネクタ 37 電源ケーブル 40 バックボー
ド 50 めす側コンタクト 51 本体部 52 ピン部 60 放熱フィン
1 Electronic unit 2 Shelf 3 Ground pattern 10 Rack 11 Back plate member 12 Rack front plate member 20,30 Power bus 21,31 Good conductive metal plate 22,32 Synthetic resin 23,33 Case
3 24 Connector 25 Cable 35 Tongue 36 Connector 37 Power cable 40 Backboard 50 Female side contact 51 Body 52 Pin 60 Heat dissipation fin

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 シェルフ(2) に印刷配線板(3) を並列に
挿着してなる電子ユニット(1) と、該電子ユニット(1)
を多段に搭載する架(10)と、からなる電子機器におい
て、 長さが該架(10)の高さにほぼ等しい板状の良導電性金属
板(31)を備えた、電源バス(30)と、 該電子ユニット(1) のバックボード(40)の電源層に接続
するよう、該バックボード(40)の裏面側に搭載されるめ
す側コンタクト(50)とを備え、 該電源バス(30)は、該良導電性金属板(31)の長手方向の
側縁を前面にした縦長の状態で、該架(10)の架後面板部
材(11)に固着されるものであり、 該めす側コンタクト(50)は、該電子ユニット(1) を該架
(10)に搭載した状態で、該良導電性金属板(31)に嵌合し
該電源バス(30)に接続するものであることを特徴とする
電子機器。
1. An electronic unit (1) comprising a printed wiring board (3) inserted in parallel to a shelf (2), and the electronic unit (1).
In an electronic device consisting of a rack (10) on which multiple stages are mounted, a power bus (30) provided with a plate-shaped good conductive metal plate (31) having a length substantially equal to the height of the rack (10). ) And a female side contact (50) mounted on the back side of the backboard (40) so as to be connected to the power supply layer of the backboard (40) of the electronic unit (1). 30) is a member which is fixed to the back plate member (11) of the rack (10) in a vertically long state with the side edges in the longitudinal direction of the good conductive metal plate (31) as the front surface. The female side contact (50) mounts the electronic unit (1) on the rack.
An electronic device, characterized in that, when mounted on (10), it is fitted to the good conductive metal plate (31) and connected to the power bus (30).
【請求項2】 電源バス(30)が、 前面が開口した浅いチャンネル形で、長さが架(10)の高
さにほぼ等しい金属板よりなるケース(33)と、 該ケース(33)内に充填される合成樹脂(32)と、 該合成樹脂(32)により絶縁されて該ケース(33)内に収容
固定される、断面がほぼL形で、長さが該ケース(33)
の長さにほぼ等しい複数の良導電性金属板(31)とからな
り、 該良導電性金属板(31)は、選択した長手方向の側縁が該
ケース(33)の前面よりも手前側に突出するよう並列して
該ケース(33)に固定されているものであることを特徴と
する請求項1記載の電子機器。
2. A case (33), in which the power bus (30) has a shallow channel shape with an open front surface and is made of a metal plate whose length is substantially equal to the height of the rack (10), and inside the case (33). And a synthetic resin (32) filled in the case and housed and fixed in the case (33) by being insulated by the synthetic resin (32), the cross section is substantially L-shaped and the length is the case (33).
And a plurality of good conductive metal plates (31) having a length substantially equal to the length of the case (33). The electronic device according to claim 1, wherein the electronic device is fixed in parallel to the case (33) so as to project in the direction.
【請求項3】 電源バス(30)のケース(33)の裏面に、放
熱フィン(60)が配設されてなることを特徴とする請求項
2記載の電子機器。
3. The electronic device according to claim 2, wherein a radiation fin (60) is provided on the back surface of the case (33) of the power bus (30).
JP30566893A 1993-12-07 1993-12-07 Electronic equipment Withdrawn JPH07162172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30566893A JPH07162172A (en) 1993-12-07 1993-12-07 Electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30566893A JPH07162172A (en) 1993-12-07 1993-12-07 Electronic equipment

Publications (1)

Publication Number Publication Date
JPH07162172A true JPH07162172A (en) 1995-06-23

Family

ID=17947916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30566893A Withdrawn JPH07162172A (en) 1993-12-07 1993-12-07 Electronic equipment

Country Status (1)

Country Link
JP (1) JPH07162172A (en)

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