JPH10327508A - Bus-supporting stage for distribution board - Google Patents
Bus-supporting stage for distribution boardInfo
- Publication number
- JPH10327508A JPH10327508A JP9133618A JP13361897A JPH10327508A JP H10327508 A JPH10327508 A JP H10327508A JP 9133618 A JP9133618 A JP 9133618A JP 13361897 A JP13361897 A JP 13361897A JP H10327508 A JPH10327508 A JP H10327508A
- Authority
- JP
- Japan
- Prior art keywords
- bus
- bar
- insulating walls
- branch
- main body
- 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- Withdrawn
Links
Landscapes
- Distribution Board (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、分電盤の内部に取
付けて用いられる分電盤の母線支持台に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution board bus support which is used by being mounted inside a distribution board.
【０００２】[0002]
【従来の技術】従来の分電盤は、主幹ブレーカから延び
る３本の母線バーを支持台にねじ止めし、その側方に配
置された分岐ブレーカと各母線バーとの間を、分岐リー
ドバーにより接続したものが普通であった。そして盤の
小型化のためにこの分岐リードバー相互間に十分な絶縁
距離が確保できない場合には、絶縁のための収縮チュー
ブを分岐リードバーに被せていた。しかしこのような収
縮チューブの取付けは作業性が悪いため、分岐ブレーカ
と各母線バーとの接続に多くの手数を要するという問題
があった。2. Description of the Related Art In a conventional distribution board, three bus bars extending from a main breaker are screwed to a support base, and a branch lead bar is provided between a branch breaker disposed on a side of the bar and each bus bar. What was connected by was normal. When a sufficient insulation distance cannot be secured between the branch lead bars due to the downsizing of the panel, a shrinkable tube for insulation is put on the branch lead bar. However, since the workability of attaching such a shrink tube is poor, there is a problem that much trouble is required to connect the branch breaker to each bus bar.
【０００３】[0003]
【発明が解決しようとする課題】本発明は上記した従来
の問題点を解決し、分岐リードバー相互間に十分な絶縁
距離が確保できない場合にも、収縮チューブを必要とせ
ず、簡便に分岐ブレーカとの接続を行うことができる分
電盤の母線支持台を提供するためになされたものであ
る。SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and does not require a shrink tube even if a sufficient insulation distance cannot be ensured between branch lead bars. The purpose of the present invention is to provide a bus bar support for a distribution board which can be connected to the power distribution board.
【０００４】[0004]
【課題を解決するための手段】上記の課題を解決するた
めになされた本発明の分電盤の母線支持台は、上面が開
放された箱状の本体内部に、母線絶縁壁により仕切られ
た複数の母線貫通溝を形成し、その内部に母線バーを縦
向きに保持可能とするとともに、本体上部に前記母線絶
縁壁と直交する複数の分岐リードバー絶縁壁を形成した
ことを特徴とするものである。なお、中性母線バーと電
圧母線バーとの間の母線絶縁壁を、隣り合う分岐毎に互
い違いに高くしておくことが好ましい。SUMMARY OF THE INVENTION A bus support for a distribution board according to the present invention, which has been made to solve the above-mentioned problems, is partitioned by a bus insulating wall inside a box-shaped main body having an open upper surface. A plurality of bus-bar through-grooves are formed, the bus-bars can be held vertically in the inside thereof, and a plurality of branch lead-bar insulating walls orthogonal to the bus-bar insulating walls are formed at an upper part of the main body. It is. In addition, it is preferable that the bus insulating wall between the neutral bus bar and the voltage bus bar is alternately increased for each adjacent branch.
【０００５】[0005]
【発明の実施の形態】以下に本発明を単相３線式分電盤
の母線支持台に適用した例を示す。図１は本発明の母線
支持台の斜視図、図２は図１のＡ−Ａ断面図、図３はＢ
−Ｂ断面図、図４はＣ−Ｃ断面図である。この母線支持
台の本体１の全体は絶縁性の樹脂からなるもので、有底
であるが上面が開放された箱状となっている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An example in which the present invention is applied to a bus support of a single-phase three-wire distribution board will be described below. FIG. 1 is a perspective view of a bus support of the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG.
FIG. 4 is a cross-sectional view taken along line CC of FIG. The entire body 1 of the bus support is made of an insulating resin, and has a box shape with a bottom but an open top.
【０００６】本体１の内部には、垂直な４枚の母線絶縁
壁２に囲まれた３つの母線貫通溝３が形成されている。
図示のように、各母線貫通溝３は上方の細幅部３ａと下
方の広幅部３ｂとからなる。また各母線貫通溝３は、対
をなす底部突起４と、一方の垂直絶縁壁２から突出する
水平突起５と、細幅部３の下端に形成された凹部６とを
備えている。そして図示のように、母線バー７の下部を
底部突起４の間に嵌め、一方の側面を水平突起５に支持
させ、肩部を凹部６に係合させた状態で、各母線貫通溝
３の内部に母線バー７が縦向きに保持されている。この
ように各母線バー７、７間は母線絶縁壁２により遮断さ
れているため、絶縁性は十分に確保される。なお、母線
バー７は図示のように上部を肉薄とするとともに、先端
部にはふくらみを持たせている。また母線貫通溝３の下
方の広幅部３ｂは母線バー７の幅よりも十分に広く、放
熱用の空間となっている。[0006] Inside the main body 1, three bus-bar penetration grooves 3 surrounded by four vertical bus-bar insulating walls 2 are formed.
As shown in the figure, each bus bar penetration groove 3 is composed of an upper narrow portion 3a and a lower wide portion 3b. Each busbar groove 3 includes a pair of bottom protrusions 4, a horizontal protrusion 5 protruding from one of the vertical insulating walls 2, and a concave portion 6 formed at the lower end of the narrow width portion 3. As shown in the drawing, the lower part of the bus bar 7 is fitted between the bottom projections 4, one side is supported by the horizontal projection 5, and the shoulder is engaged with the recess 6. The bus bar 7 is held vertically inside. As described above, the bus bars 7, 7 are isolated from each other by the bus insulating wall 2, so that sufficient insulation is ensured. The bus bar 7 has a thin upper portion as shown in the figure and a bulge at the tip. The wide portion 3b below the bus bar groove 3 is sufficiently wider than the width of the bus bar 7 to provide a space for heat radiation.
【０００７】本体１の開放された上部には、前記母線絶
縁壁２と直交する複数の分岐リードバー絶縁壁８が形成
されている。これらの分岐リードバー絶縁壁８は、各母
線バー７とその側方に配置される分岐ブレーカ９とを連
結する分岐リードバー１０のための絶縁隔壁である。こ
のように直交する母線絶縁壁２と分岐リードバー絶縁壁
８とにより、本体１の開放された上面には四角形の多数
の枡が形成され、上から見下ろすと各母線バー７の上部
がこれらの枡の下部に露出した状態となる。A plurality of branch lead bar insulating walls 8 orthogonal to the bus insulating walls 2 are formed on the open upper portion of the main body 1. These branch lead bar insulating walls 8 are insulating partition walls for branch lead bars 10 that connect each bus bar 7 and a branch breaker 9 arranged on the side thereof. The bus insulating wall 2 and the branch lead bar insulating wall 8 which are orthogonal to each other form a large number of square cells on the open upper surface of the main body 1, and when viewed from above, the upper part of each bus bar 7 becomes It will be exposed at the bottom of the basin.
【０００８】分岐リードバー１０は図５中に例示されて
いるように、基部が分岐ブレーカ９の端子部と接続され
る二股部１１となっており、先端は下向きのクリップ１
２となっている。このクリップ１２を上記した枡の中に
下ろして母線バー７の肉薄の上部に差し込めば、先端に
設けられたふくらみを乗り越えて簡単かつ的確に母線バ
ー７との接続ができる。この接続時には、分岐リードバ
ー絶縁壁８によって分岐リードバー１０の取付け位置が
規制されて取付け作業性が向上し、従来のように分岐リ
ードバーを取り付ける際に位置合わせしなくてもよい。
また、電圧の１００Ｖ、２００Ｖ切り換えの場合に分岐
リードバー１０を取り外す際には、分岐リードバー１０
の中央の板部に設けられた凹部１８をペンチ等の工具で
挟むことによって、分岐リードバー絶縁壁８間に奥まっ
て入っている分岐リードバー１０を容易に取り外すこと
ができる。なおクリップ１２をリン青銅のような弾性に
優れた金属材料により構成しておけば、強い締めつけ力
を確保することができる。As shown in FIG. 5, the branch lead bar 10 has a bifurcated portion 11 having a base portion connected to a terminal portion of the branch breaker 9 and a distal end having a downwardly directed clip 1.
It is 2. If the clip 12 is lowered into the above-mentioned measure and inserted into the thin upper part of the bus bar 7, the connection with the bus bar 7 can be easily and accurately passed over the bulge provided at the tip. At the time of this connection, the mounting position of the branch lead bar 10 is regulated by the branch lead bar insulating wall 8 to improve the mounting workability, and it is not necessary to align the branch lead bar as in the conventional case.
Further, when the branch lead bar 10 is detached when the voltage is switched between 100 V and 200 V, the branch lead bar 10 is removed.
By sandwiching the concave portion 18 provided in the central plate portion with a tool such as pliers, the branch lead bar 10 deeply inserted between the branch lead bar insulating walls 8 can be easily removed. If the clip 12 is made of a highly elastic metal material such as phosphor bronze, a strong tightening force can be secured.
【０００９】この実施形態では、本体１に５枚の分岐リ
ードバー絶縁壁８が形成され、それらの間に４枚の分岐
リードバー１０を取り付けることができる。そして図
６、図７に示すように、本体１の幅（母線バー７の長手
方向の幅）は分岐ブレーカ９の２個分の幅と等しく設計
されている。このため、図９〜図１２に示される各種形
状の分岐リードバー１０を使い分けることにより、各分
岐ブレーカ９と母線バー７とを任意に接続することがで
きる。なお、この実施形態では分岐ブレーカ９として２
個の端子の高さを段違いにしたものを用いたので、図９
以下に示すように分岐リードバー１０の基部の高さが高
低２種類となっている。In this embodiment, five branch lead bar insulating walls 8 are formed on the main body 1, and four branch lead bars 10 can be mounted between them. As shown in FIGS. 6 and 7, the width of the main body 1 (the width in the longitudinal direction of the bus bar 7) is designed to be equal to the width of two branch breakers 9. For this reason, by appropriately using the branch lead bars 10 of various shapes shown in FIGS. 9 to 12, each branch breaker 9 and the bus bar 7 can be arbitrarily connected. In this embodiment, the branch breaker 9 is 2
Since the height of the terminals was different from that of FIG.
As shown below, the height of the base of the branch lead bar 10 is of two types, high and low.
【００１０】図６に示すとの分岐ブレーカ９は、一
方の端子が分岐リードバー１０によりＬ１電圧母線バー
に接続され、他方の端子がＬ２電圧母線バーに接続され
て２００Ｖを負荷側に取り出している。またの分岐ブ
レーカ９は、一方の端子がＬ１電圧母線バーに接続さ
れ、他方の端子が中性母線バーに接続されて１００Ｖを
負荷側に取り出している。またの分岐ブレーカ９は、
一方の端子がＬ２電圧母線バーに接続され、他方の端子
が中性母線バーに接続されて１００Ｖを負荷側に取り出
している。In the branch breaker 9 shown in FIG. 6, one terminal is connected to the L1 voltage bus bar by a branch lead bar 10, and the other terminal is connected to the L2 voltage bus bar to take out 200 V to the load side. I have. In the branch breaker 9, one terminal is connected to the L1 voltage bus bar and the other terminal is connected to the neutral bus bar, and 100 V is taken out to the load side. Another branch breaker 9 is
One terminal is connected to the L2 voltage bus bar, and the other terminal is connected to the neutral bus bar to extract 100 V to the load side.
【００１１】図６、図７では本体１の片側だけに分岐ブ
レーカ９を配置したが、両側に分岐ブレーカ９を配置す
る場合も多い。この場合には同じ分岐リードバー絶縁壁
８、８間に左右から２枚の分岐リードバー１０が入るこ
ととなるが、中性母線バーと電圧母線バーとの間の母線
絶縁壁２を、隣り合う分岐毎に互い違いに高くしておけ
ばそれらの分岐リードバー１０の先端が高くなった母線
絶縁壁２により遮られて絶縁性が向上し、その分だけ本
体１のサイズを小型化できる。なお、互い違いに高くし
たのは、Ｌ１電圧母線バーとＬ２電圧母線バーから均等
に電圧を取り出すことが好ましいためである。In FIGS. 6 and 7, the branch breakers 9 are arranged only on one side of the main body 1, but in many cases the branch breakers 9 are arranged on both sides. In this case, two branch lead bars 10 are inserted from the left and right between the same branch lead bar insulating walls 8, 8, but the bus insulating wall 2 between the neutral bus bar and the voltage bus bar is placed next to the adjacent one. If the height is set alternately for each branch, the ends of the branch lead bars 10 are blocked by the raised bus insulating wall 2 to improve the insulation, and the size of the main body 1 can be reduced accordingly. The reason why the voltage is alternately increased is that it is preferable to take out the voltage evenly from the L1 voltage bus bar and the L2 voltage bus bar.
【００１２】図７、図８に分電盤の鉄板ベース１３への
本体１の取付け方法を示す。図２〜図４にも示されてい
るように、本体１の底面には一対のフック１４が突設さ
れている。そこで鉄板ベース１３に四角形の孔１５を一
定間隔で２列にあけておき、本体１のフック１４をこれ
らの孔１５に差し込む。同様に次の本体１のフック１４
を孔１５に差し込むことを繰り返し、最後に固定板１６
をボルト１７で鉄板ベース１３に取り付ければ、全体が
鉄板ベース１３に簡単に固定できる。FIGS. 7 and 8 show a method of attaching the main body 1 to the iron plate base 13 of the distribution board. As shown in FIGS. 2 to 4, a pair of hooks 14 protrude from the bottom surface of the main body 1. Therefore, square holes 15 are formed in the iron plate base 13 in two rows at a predetermined interval, and the hooks 14 of the main body 1 are inserted into these holes 15. Similarly, the hook 14 of the next main body 1
Is repeatedly inserted into the hole 15 and finally the fixing plate 16
Can be easily fixed to the iron plate base 13 by bolts 17.
【００１３】また、分岐リードバー絶縁壁８の外側壁と
分岐ブレーカ９の端子間絶縁壁とを密着して取り付けれ
ば、短絡時に分岐ブレーカ９のガス排出口から噴出した
アークガスが他極に侵入するおそれを無くすることがで
きる。If the outer wall of the branch lead bar insulating wall 8 and the inter-terminal insulating wall of the branch breaker 9 are attached in close contact with each other, the arc gas spouted from the gas discharge port of the branch breaker 9 at the time of short circuit enters the other pole. The fear can be eliminated.
【００１４】[0014]
【発明の効果】以上に説明したように、本発明の分電盤
の母線支持台は、母線絶縁壁により仕切られた複数の母
線貫通溝の内部に母線バーを保持させ、またこれと直交
する複数の分岐リードバー絶縁壁を形成したものである
から、分岐リードバー相互間に十分な絶縁距離が確保で
きない場合にも絶縁性を確保することができ、従来のよ
うな収縮チューブを必要としない。このため簡便に分岐
ブレーカと母線バーの接続を行うことができる利点があ
る。As described above, the bus bar support of the distribution board according to the present invention holds the bus bar inside the plurality of bus through-grooves partitioned by the bus insulating wall and is orthogonal to the bus bar. Since a plurality of branch lead bar insulating walls are formed, even when a sufficient insulation distance cannot be secured between the branch lead bars, the insulation properties can be secured, and a conventional shrink tube is not required. . Therefore, there is an advantage that the branch breaker and the bus bar can be easily connected.
【図１】本発明の母線支持台の斜視図である。FIG. 1 is a perspective view of a bus support according to the present invention.
【図２】図１のＡ−Ａ断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】図１のＢ−Ｂ断面図である。FIG. 3 is a sectional view taken along line BB of FIG. 1;
【図４】図１のＣ−Ｃ断面図である。FIG. 4 is a sectional view taken along the line CC of FIG. 1;
【図５】本発明の母線支持台の一部切欠斜視図である。FIG. 5 is a partially cutaway perspective view of the busbar support of the present invention.
【図６】分岐ブレーカとの接続関係を示す平面図であ
る。FIG. 6 is a plan view showing a connection relationship with a branch breaker.
【図７】分電盤の正面図である。FIG. 7 is a front view of the distribution board.
【図８】分電盤の鉄板ベースへの取付け方法を示す一部
切欠側面図である。FIG. 8 is a partially cutaway side view showing a method of attaching the distribution board to the iron plate base.
【図９】分岐リードバーによる接続方法の説明図であ
る。FIG. 9 is an explanatory diagram of a connection method using a branch lead bar.
【図１０】分岐リードバーによる接続方法の説明図であ
る。FIG. 10 is an explanatory diagram of a connection method using a branch lead bar.
【図１１】分岐リードバーによる接続方法の説明図であ
る。FIG. 11 is an explanatory diagram of a connection method using a branch lead bar.
【図１２】分岐リードバーによる接続方法の説明図であ
る。FIG. 12 is an explanatory diagram of a connection method using a branch lead bar.
１ 本体 ２ 母線絶縁壁 ３ 母線貫通溝 ３ａ 細幅部 ３ｂ 広幅部 ４ 底部突起 ５ 水平突起 ６ 凹部 ７ 母線バー ８ 分岐リードバー絶縁壁 ９ 分岐ブレーカ １０ 分岐リードバー １１ 二股部 １２ クリップ １３ 分電盤の鉄板ベース １４ フック １５ 四角形の孔 １６ 固定板 １７ ボルト １８ 凹部 DESCRIPTION OF SYMBOLS 1 Main body 2 Bus-bar insulation wall 3 Bus-bar penetration groove 3a Narrow width part 3b Wide width part 4 Bottom projection 5 Horizontal projection 6 Recess 7 Busbar bar 8 Branch lead bar insulation wall 9 Branch breaker 10 Branch lead bar 11 Forked part 12 Clip 13 Distribution board Iron plate base 14 Hook 15 Square hole 16 Fixing plate 17 Bolt 18 Recess
Claims (2)
線絶縁壁により仕切られた複数の母線貫通溝を形成し、
その内部に母線バーを縦向きに保持可能とするととも
に、本体上部に前記母線絶縁壁と直交する複数の分岐リ
ードバー絶縁壁を形成したことを特徴とする分電盤の母
線支持台。1. A plurality of bus-bar through-grooves separated by bus-bar insulating walls are formed inside a box-shaped main body having an open upper surface,
A bus bar support for a distribution board, wherein a bus bar can be held vertically in the inside thereof, and a plurality of branch lead bar insulating walls orthogonal to the bus insulating walls are formed on an upper portion of the main body.
線絶縁壁を、隣り合う分岐毎に互い違いに高くした請求
項１に記載の分電盤の母線支持台。2. The bus support for a distribution board according to claim 1, wherein bus insulating walls between the neutral bus bar and the voltage bus bar are alternately raised for each adjacent branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9133618A JPH10327508A (en) | 1997-05-23 | 1997-05-23 | Bus-supporting stage for distribution board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9133618A JPH10327508A (en) | 1997-05-23 | 1997-05-23 | Bus-supporting stage for distribution board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10327508A true JPH10327508A (en) | 1998-12-08 |
Family
ID=15109038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9133618A Withdrawn JPH10327508A (en) | 1997-05-23 | 1997-05-23 | Bus-supporting stage for distribution board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10327508A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002051410A (en) * | 2000-07-28 | 2002-02-15 | Kawamura Electric Inc | Master bar fixing part |
| JP2002135912A (en) * | 2000-10-20 | 2002-05-10 | Tempearl Ind Co Ltd | Voltage switching unit of single phase three-wire distribution board |
| JP2002300705A (en) * | 2001-03-30 | 2002-10-11 | Tempearl Ind Co Ltd | Primary-feed connection structure for branch breaker of distribution board |
| JP2006081306A (en) * | 2004-09-09 | 2006-03-23 | Chugoku Electric Power Co Inc:The | Conductor device |
| KR101096761B1 (en) | 2009-12-30 | 2011-12-21 | 주식회사 에이엔티일렉트릭 | power controller for distributing case |
-
1997
- 1997-05-23 JP JP9133618A patent/JPH10327508A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002051410A (en) * | 2000-07-28 | 2002-02-15 | Kawamura Electric Inc | Master bar fixing part |
| JP4553333B2 (en) * | 2000-07-28 | 2010-09-29 | 河村電器産業株式会社 | Main bar fixing parts |
| JP2002135912A (en) * | 2000-10-20 | 2002-05-10 | Tempearl Ind Co Ltd | Voltage switching unit of single phase three-wire distribution board |
| JP4560197B2 (en) * | 2000-10-20 | 2010-10-13 | テンパール工業株式会社 | Single-phase three-wire distribution board voltage switching device |
| JP2002300705A (en) * | 2001-03-30 | 2002-10-11 | Tempearl Ind Co Ltd | Primary-feed connection structure for branch breaker of distribution board |
| JP4607363B2 (en) * | 2001-03-30 | 2011-01-05 | テンパール工業株式会社 | Distribution board primary breaker connection structure for distribution board |
| JP2006081306A (en) * | 2004-09-09 | 2006-03-23 | Chugoku Electric Power Co Inc:The | Conductor device |
| JP4481119B2 (en) * | 2004-09-09 | 2010-06-16 | 中国電力株式会社 | Conductor device |
| KR101096761B1 (en) | 2009-12-30 | 2011-12-21 | 주식회사 에이엔티일렉트릭 | power controller for distributing case |
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Legal Events
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| A300 | Withdrawal of application because of no request for examination |
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