JP3538813B2 - Connection structure of insulating attachment and insulating bus duct - Google Patents
Connection structure of insulating attachment and insulating bus ductInfo
- Publication number
- JP3538813B2 JP3538813B2 JP2001174575A JP2001174575A JP3538813B2 JP 3538813 B2 JP3538813 B2 JP 3538813B2 JP 2001174575 A JP2001174575 A JP 2001174575A JP 2001174575 A JP2001174575 A JP 2001174575A JP 3538813 B2 JP3538813 B2 JP 3538813B2
- Authority
- JP
- Japan
- Prior art keywords
- insulating
- bus duct
- insulating plate
- attachment
- connection 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.)
- Expired - Lifetime
Links
Landscapes
- Patch Boards (AREA)
- Installation Of Bus-Bars (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、接続ユニットを介
して垂直バスダクトと水平バスダクトとを接続する際、
一方のバスダクト端部において電気導体の露出部分を覆
うのに最適な絶縁性アタッチメント、及びこの絶縁性ア
タッチメントを具える絶縁バスダクトの接続構造に関す
る。The present invention relates to a method for connecting a vertical bus duct and a horizontal bus duct via a connecting unit.
The present invention relates to an insulating attachment optimal for covering an exposed portion of an electric conductor at one end of a bus duct, and a connection structure for an insulating bus duct including the insulating attachment.
【０００２】[0002]
【従来の技術】絶縁バスダクトは、一般に、絶縁被覆さ
れた板状の電気導体を複数並列させてハウジング内に収
納保持するもので、その接続には、通常、接続ユニット
を用いて行う。図3は、接続ユニットを介して垂直バス
ダクトと水平バスダクトとを接続した状態を示す部分切
り欠き図、図4は、その右側面図である。接続ユニット3
0は、一方の絶縁バスダクト(図3において垂直バスダク
ト50A)端部において並列した電気導体51Aと、他方の絶
縁バスダクト(同水平バスダクト50B)端部において並列
した電気導体51Bとを直角に突き合わせて接続し導通を
とるものである。この接続ユニット30は、図4に示すよ
うに並列した電気導体51Aの両側に配置されて電気導体5
1Aに当接して導通をとるための導体当板31と、導体当板
31間に配置されて電気導体を覆うことで各相間を絶縁す
るための絶縁板32とを具え、その外側を接続側板33によ
り覆うことで箱状に形成される。2. Description of the Related Art An insulated bus duct generally has a plurality of insulated and covered plate-shaped electric conductors housed and held in a housing in parallel, and the connection is usually made using a connection unit. FIG. 3 is a partially cutaway view showing a state where the vertical bus duct and the horizontal bus duct are connected via a connection unit, and FIG. 4 is a right side view thereof. Connection unit 3
0 is an electrical conductor 51A arranged in parallel at the end of one of the insulated bus ducts (vertical bus duct 50A in FIG. 3) and an electrical conductor 51B arranged in parallel at the end of the other insulated bus duct (same horizontal bus duct 50B) and connected at right angles to each other. To achieve conduction. The connection units 30 are arranged on both sides of the parallel electric conductors 51A as shown in FIG.
Conductor contact plate 31 for contacting 1A and conducting
An insulating plate 32 is provided between the base plates 31 to cover the electric conductors to insulate the respective phases from each other, and is formed in a box shape by covering the outside with a connection side plate 33.
【０００３】[0003]
【発明が解決しようとする課題】接続ユニット30は、一
般に、絶縁バスダクトを直線的に接続するのに適した大
きさに形成されている。例えば、絶縁板32の高さ(図3に
おいて上下方向の大きさ)、及び左端から中央部に貫通
される接続ボルト34孔付近までの長さL1、右端から接続
ボルト34孔付近までの長さL2は、例えば、水平バスダク
ト50B同士などの一方の絶縁バスダクト同士を接続する
際に突き合わせた電気導体51Bを覆うことができる大き
さとしている。また、絶縁板32の長さL1及びL2は、ほぼ
等しくしている。そのため、接続ユニット30を用いて垂
直バスダクト50Aと水平バスダクト50Bとを接続する際、
一方の絶縁バスダクト(図3において水平バスダクト50B)
の電気導体51Bは全面が絶縁板32に覆われ、並列した電
気導体51Bの各相間において規定の絶縁距離を確保し、
電気的絶縁も確保できる。The connecting unit 30 is generally formed in a size suitable for connecting insulating bus ducts linearly. For example, the height of the insulating plate 32 (the size in the vertical direction in FIG. 3), the length L1 from the left end to the vicinity of the connection bolt 34 hole penetrated to the center, and the length from the right end to the vicinity of the connection bolt 34 hole L2 is, for example, large enough to cover the electrical conductors 51B that are joined when connecting one insulated bus duct such as the horizontal bus ducts 50B. The lengths L1 and L2 of the insulating plate 32 are substantially equal. Therefore, when connecting the vertical bus duct 50A and the horizontal bus duct 50B using the connection unit 30,
One insulated bus duct (horizontal bus duct 50B in FIG. 3)
The entire electric conductor 51B is covered with the insulating plate 32, and secures a specified insulation distance between each phase of the parallel electric conductor 51B,
Electrical insulation can also be secured.
【０００４】しかし、絶縁板32の長さL1・L2は電気導体
の幅L3よりも小さいことが多く、他方の絶縁バスダクト
(同垂直バスダクト50A)の電気導体51Aは、絶縁板32に覆
われない露出部分35(図3において斜線部)が幅20〜50mm
程度に亘って生じる。電気導体51Aにおいて露出部分35
の各相間は、空気によって絶縁されるが十分ではなく、
従来、露出部分35に絶縁テープを巻回して、電気導体51
Aの各相間の電気的絶縁を保持していた。しかし、テー
プの巻回は手作業であるため、複数の電気導体51A全て
に施すにはかなりの時間が必要であり、作業性が悪いと
いう問題があった。However, the lengths L1 and L2 of the insulating plate 32 are often smaller than the width L3 of the electric conductor, and the other insulating bus duct
The electric conductor 51A of the (vertical bus duct 50A) has an exposed portion 35 (hatched portion in FIG. 3) that is not covered with the insulating plate 32 and has a width of 20 to 50 mm.
Occurs to a degree. Exposed portion 35 of electric conductor 51A
Is insulated by air, but not enough,
Conventionally, an insulating tape is wrapped around the exposed portion 35 so that the electric conductor 51
A maintained electrical isolation between each phase. However, since the winding of the tape is a manual operation, it takes a considerable time to apply it to all of the plurality of electric conductors 51A, and there is a problem that the workability is poor.
【０００５】ここで、いずれか一方の絶縁バスダクト
(ここでは垂直バスダクト50A)の電気導体51Aに露出部分
35が生じないようにするため、絶縁板32において電気導
体51Aを覆う側の長さ(ここではL2)のみを幅L3に合わせ
て大きくすることが考えられる。しかし、絶縁板32を大
きくすることで材料が余分に必要となるだけでなく、こ
のような接続ユニットは、垂直バスダクトと水平バスダ
クトとを接続する際にしか用いることができず、水平又
は垂直バスダクト同士を接続する直線的な接続に共用で
きない。Here, one of the insulated bus ducts
(Here, vertical bus duct 50A) Exposed part to electric conductor 51A
In order to prevent 35 from occurring, it is conceivable to increase only the length (here, L2) of the insulating plate 32 that covers the electric conductor 51A in accordance with the width L3. However, increasing the size of the insulating plate 32 not only requires extra material, but also such a connection unit can only be used when connecting a vertical bus duct and a horizontal bus duct, and the horizontal or vertical bus duct It cannot be used for linear connections that connect each other.
【０００６】そこで、本発明は、直線的な接続用の接続
ユニットを用いて垂直バスダクトと水平バスダクトとを
接続する際、接続ユニットの絶縁板に容易に装着でき、
電気導体の露出部分を覆うことで並列した電気導体の各
相間の電気的絶縁を確保できる絶縁性アタッチメントを
提供することを目的とする。また、この絶縁性アタッチ
メントを具える絶縁バスダクトの接続構造を提供するこ
とを目的とする。Therefore, according to the present invention, when a vertical bus duct and a horizontal bus duct are connected using a connection unit for linear connection, the vertical bus duct and the horizontal bus duct can be easily mounted on an insulating plate of the connection unit.
It is an object of the present invention to provide an insulating attachment capable of securing electrical insulation between respective phases of parallel electric conductors by covering an exposed portion of the electric conductor. It is another object of the present invention to provide a connection structure for an insulated bus duct including the insulating attachment.
【０００７】[0007]
【課題を解決するための手段】本発明絶縁性アタッチメ
ントは、絶縁バスダクトの接続ユニットに具える絶縁板
に装着する取付部と、この取付部に一体化されると共に
バスダクト端部の電気導体で絶縁板に覆われない露出部
分を覆う遮断部とを具えることを特徴とする。また、本
発明は、接続ユニットを介して垂直バスダクトと水平バ
スダクトとを接続する絶縁バスダクトの接続構造であっ
て、バスダクト端部において電気導体の各相間を絶縁す
る絶縁板を有する接続ユニットと、この絶縁板に装着さ
れて一方のバスダクトの電気導体で絶縁板に覆われない
露出部分を覆う絶縁性アタッチメントとを具えることを
特徴とする。According to the present invention, there is provided an insulative attachment, comprising: a mounting portion to be mounted on an insulating plate provided in a connection unit of an insulated bus duct; And a blocking portion that covers an exposed portion that is not covered by the plate. Further, the present invention is a connection structure of an insulated bus duct for connecting a vertical bus duct and a horizontal bus duct via a connection unit, the connection unit having an insulating plate for insulating each phase of an electric conductor at an end of the bus duct, and An insulating attachment that is mounted on the insulating plate and covers an exposed portion that is not covered by the insulating plate with the electric conductor of the one bus duct.
【０００８】本発明は、接続ユニットに具える絶縁板に
絶縁性アタッチメントを取り付けて絶縁板を延長させ、
電気導体において絶縁板で覆われない露出部分をこのア
タッチメントで覆って並列した電気導体の各相間の電気
的絶縁を確保するものである。特に、垂直バスダクトと
水平バスダクトとを接続する際において、直線的な接続
用の接続ユニットを用いても、上記ユニットに具える絶
縁板に本発明絶縁性アタッチメントを装着して絶縁板を
延長することで、一方の絶縁バスダクトの電気導体に生
じる露出部分を覆うことができる。そのため、両絶縁バ
スダクトにおいて並列した電気導体の各相間の電気的絶
縁を確保できる。また、本発明絶縁性アタッチメントは
絶縁板に着脱自在であり、絶縁バスダクトの接続構造を
形成する際において作業性に極めて優れる。According to the present invention, an insulating attachment is attached to an insulating plate provided in a connection unit to extend the insulating plate.
The exposed portion of the electric conductor that is not covered with the insulating plate is covered with this attachment to secure electrical insulation between the phases of the parallel electric conductor. In particular, when connecting the vertical bus duct and the horizontal bus duct, even if a connection unit for linear connection is used, the insulating plate of the above unit is provided with the insulating attachment of the present invention to extend the insulating plate. Thus, the exposed portion generated in the electric conductor of one of the insulating bus ducts can be covered. Therefore, electrical insulation between the phases of the electric conductors arranged in parallel in both insulating bus ducts can be ensured. Further, the insulating attachment of the present invention is detachable from the insulating plate, and is extremely excellent in workability when forming the connection structure of the insulating bus duct.
【０００９】本発明絶縁性アタッチメントの取付部は、
絶縁板への着脱が容易な形状であることが好ましい。ま
た、取付部は、絶縁板の取り付け部分の形状に適合させ
ると共に、絶縁板に取り付けた後、脱落しにくいように
互いに係合し合う形状であることが望ましい。遮断部
は、少なくとも電気導体の露出部分を覆うことができる
大きさに形成する。[0009] The mounting portion of the insulating attachment of the present invention,
It is preferable that the shape be such that it can be easily attached to and detached from the insulating plate. Further, it is desirable that the mounting portions be shaped so as to be adapted to the shape of the mounting portion of the insulating plate and to engage with each other so that the mounting portions are not easily dropped after being mounted on the insulating plate. The blocking portion is formed in a size that can cover at least the exposed portion of the electric conductor.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を説明
する。図1(A)は、本発明絶縁性アタッチメントを絶縁板
に取り付けた状態における断面図、同(B)は、その正面
図、図2は、接続ユニットを介して垂直バスダクトと水
平バスダクトとを接続した状態において、本発明絶縁性
アタッチメントを絶縁板に取り付けた状態を示す部分切
り欠き図である。図中、同一符号は、同一物を示す。本
発明絶縁性アタッチメント1は、接続ユニットに具える
絶縁板32に取り付けて絶縁板32を延長し、絶縁バスダク
トの電気導体の露出部分を覆って並列した電気導体の各
相間の電気的絶縁を確保する。以下、詳しく説明する。Embodiments of the present invention will be described below. 1 (A) is a cross-sectional view showing a state in which the insulating attachment of the present invention is attached to an insulating plate, FIG. 1 (B) is a front view thereof, and FIG. 2 is a diagram for connecting a vertical bus duct and a horizontal bus duct via a connection unit. FIG. 4 is a partially cutaway view showing a state in which the insulating attachment of the present invention is attached to an insulating plate in a state where the insulating attachment is provided. In the drawings, the same reference numerals indicate the same items. The insulating attachment 1 of the present invention is attached to the insulating plate 32 provided in the connection unit, extends the insulating plate 32, and covers the exposed portions of the electric conductors of the insulating bus duct to secure electrical insulation between the phases of the parallel electric conductors. I do. The details will be described below.
【００１１】絶縁性アタッチメント1は、図1に示すよう
に接続ユニットの絶縁板32に装着する取付部2と、取付
部2に一体化されると共に電気導体において絶縁板32で
覆われない露出部分を覆う遮断部3とを具える。取付部2
は、絶縁板32端部に有する凸部32aに適合する断面C字状
であり、開口部分に突条2aを具える。As shown in FIG. 1, the insulating attachment 1 has a mounting portion 2 mounted on an insulating plate 32 of a connection unit, and an exposed portion which is integrated with the mounting portion 2 and which is not covered with the insulating plate 32 in the electric conductor. And a blocking unit 3 for covering the Mounting part 2
Has a C-shaped cross section that is compatible with the protrusion 32a at the end of the insulating plate 32, and has a ridge 2a at the opening.
【００１２】遮断部3は、絶縁バスダクトの電気導体に
おいて絶縁板32に覆われない露出部分を覆って並列した
電気導体の各相間の電気的絶縁を確保するものである。
遮断部3は、取付部2の閉口側に一体に形成された板状
で、露出部分を十分覆うことができる程度の大きさを有
する。絶縁性アタッチメント1は、ポリエチレン、ポリ
プロピレン、塩化ビニルなどの絶縁材で形成した。The interrupting section 3 is to cover the exposed portion of the electric conductor of the insulated bus duct that is not covered by the insulating plate 32 and to secure electric insulation between the phases of the electric conductors arranged in parallel.
The blocking portion 3 is a plate-shaped integrally formed on the closing side of the mounting portion 2 and has a size that can sufficiently cover the exposed portion. The insulating attachment 1 was formed of an insulating material such as polyethylene, polypropylene, and vinyl chloride.
【００１３】上記絶縁性アタッチメント1が装着される
絶縁板32には、取付部2の開口部分に具える突条2aに適
合する溝32bを設けている。溝32bの一端は、取付部2を
装着できるように開放させており、他端は、アタッチメ
ント1を装着させた際にアタッチメント1が絶縁板32から
抜け落ちないように途中で閉塞させている。溝32bの一
端から他端までの長さは、アタッチメント1を装着する
のに十分な長さとしている。The insulating plate 32 on which the insulating attachment 1 is mounted is provided with a groove 32b that fits the ridge 2a provided in the opening of the mounting portion 2. One end of the groove 32b is opened so that the mounting portion 2 can be mounted, and the other end is closed halfway so that the attachment 1 does not fall off the insulating plate 32 when the attachment 1 is mounted. The length from one end to the other end of the groove 32b is sufficient to mount the attachment 1.
【００１４】上記構成を具える絶縁性アタッチメント1
は、絶縁板32の溝32bの開放された一端に取付部2の突条
2aを嵌め合わせ、溝32bに沿って他端まで差し入れるこ
とで絶縁板32に装着される。このとき、絶縁性アタッチ
メント1は、取付部2の内側に絶縁板32の凸部32aを嵌
め、取付部2の突条2aで絶縁板32の溝32bを挟持すること
で、取付部2と絶縁板32端部とが互いに係合した状態で
絶縁板32に装着される。また、取付部2は、その突条2a
が溝32bの閉塞された他端に当接することで絶縁性アタ
ッチメント1が絶縁板32から脱落するのを防止する。な
お、取付部2に凸部を具え、この凸部に係合する凹部を
絶縁板32に設けて互いに係合させてもよい。An insulating attachment 1 having the above configuration
Is provided at one open end of the groove 32b of the insulating plate 32.
2a is fitted and inserted into the insulating plate 32 by inserting the other end along the groove 32b. At this time, the insulating attachment 1 is insulated from the mounting portion 2 by fitting the convex portion 32a of the insulating plate 32 inside the mounting portion 2 and clamping the groove 32b of the insulating plate 32 with the ridge 2a of the mounting portion 2. It is mounted on the insulating plate 32 in a state where the ends of the plate 32 are engaged with each other. In addition, the mounting portion 2 has a ridge 2a
Abuts against the closed other end of the groove 32b to prevent the insulating attachment 1 from falling off the insulating plate 32. Note that the mounting portion 2 may be provided with a convex portion, and a concave portion that engages with the convex portion may be provided on the insulating plate 32 and engaged with each other.
【００１５】本発明絶縁性アタッチメント1は、特に、
図2に示すように従来の直線的な接続用の接続ユニット3
0を介して垂直バスダクト50Aと水平バスダクト50Bとを
接続する際に用いるとよい。このとき、絶縁性アタッチ
メント1は、一方の絶縁バスダクト端部において並列し
た電気導体の各相間に配置される絶縁板32に取り付ける
とよい。The insulating attachment 1 of the present invention is
Conventional connection unit 3 for linear connection as shown in FIG.
It may be used when connecting the vertical bus duct 50A and the horizontal bus duct 50B via 0. At this time, the insulating attachment 1 may be attached to the insulating plate 32 disposed between the phases of the parallel electric conductors at one end of the insulating bus duct.
【００１６】ここで、一般に、絶縁バスダクト端部は、
図4に示すように絶縁被覆された絶縁被覆導体52の各相
間が広げられ、末端側は電気導体51Aが露出した状態で
ある。絶縁バスダクトを接続する際は、この端部に接続
ユニット30を取り付けることで行う。接続ユニット30
は、従来と同様であり、並列した電気導体の両側に配置
されて突き合わせた電気導体に当接して導通をとるため
の導体当板31と、導体当板31間に配置されて電気導体を
覆うことで各相間を絶縁するための絶縁板32とを具え、
その外側を接続側板33により覆うことで箱状に形成され
る。これら導体当板33、絶縁板32の中央部及び接続側板
33には、接続ボルト34が貫通されており、接続ボルト34
を締め付けることで電気導体を挟持する。このとき、適
切な締付力を得るために接続側板33の両側には板バネ36
を配置している。接続側板33の外表面には、この板バネ
36のずれを防止するために図2に示すように板バネ36の
外周に沿って複数の突起37が設けている。バネ板36の上
面には、接続ボルト34の回り止め38を配置し、接続ボル
ト34が回って接続ユニット30の締め付けが緩むのを防止
している。Here, generally, the end of the insulated bus duct is
As shown in FIG. 4, the space between the phases of the insulated conductor 52 covered with the insulation is widened, and the electric conductor 51A is exposed on the terminal side. When connecting the insulated bus duct, the connection unit 30 is attached to this end. Connection unit 30
Is the same as in the prior art, a conductor contact plate 31 arranged on both sides of the parallel electric conductors to contact and abut on the butted electric conductors, and disposed between the conductor contact plates 31 to cover the electric conductors With an insulating plate 32 for insulating between the phases,
The outside is covered with the connection side plate 33 to form a box. The central part of these conductor contact plate 33, insulating plate 32 and connection side plate
33, a connection bolt 34 is penetrated, and the connection bolt 34
To clamp the electrical conductor. At this time, leaf springs 36 are provided on both sides of the connection side plate 33 to obtain an appropriate tightening force.
Is placed. On the outer surface of the connection side plate 33, this leaf spring
As shown in FIG. 2, a plurality of projections 37 are provided along the outer periphery of the leaf spring 36 to prevent the displacement of the 36. A detent 38 for the connection bolt 34 is disposed on the upper surface of the spring plate 36 to prevent the connection bolt 34 from turning and loosening the connection unit 30.
【００１７】このような接続ユニット30を用いて、垂直
バスダクト50Aと水平バスダクト50Bとを接続するには、
以下のように行うとよい。垂直バスダクト50Aの端部に
おいて並列した電気導体51Aを接続ユニット30の一端側
の導体当板間に差し込む。同様に、水平バスダクト50B
の端部において並列した電気導体51Bを接続ユニット30
の他端側の導体当板間に差し込む。このとき、絶縁性ア
タッチメント1は、絶縁板32に覆われず露出部分35が生
じている電気導体51Aを覆う絶縁板32に装着する。そし
て、接続ボルト34を締め付けることで両バスダクト50
A、50Bを接続できる。To connect the vertical bus duct 50A and the horizontal bus duct 50B by using such a connection unit 30,
It is good to do as follows. The electric conductors 51A arranged in parallel at the end of the vertical bus duct 50A are inserted between the conductor contact plates on one end of the connection unit 30. Similarly, horizontal bus duct 50B
The electric conductors 51B arranged in parallel at the ends of the connection unit 30
Between the conductor contact plates at the other end of the cable. At this time, the insulating attachment 1 is mounted on the insulating plate 32 that covers the electric conductor 51A where the exposed portion 35 is not covered with the insulating plate 32. Then, by tightening the connection bolts 34, both bus ducts 50
A, 50B can be connected.
【００１８】上記のように接続ユニット30の絶縁板32に
絶縁性アタッチメント1を取り付けることで、一方の絶
縁バスダクト(本例では垂直バスダクト50A)の電気導体5
1Aは、絶縁板32及びアタッチメント1に覆われ、並列し
た電気導体51Aの各相間の電気的絶縁を確保できる。そ
のため、従来の直線的な接続用の接続ユニット30を垂直
バスダクトと水平バスダクトとの接続に用いても、絶縁
板32自体の大きさを変えることなく両バスダクトにおい
て電気導体の各相間(本例では3相間)の電気的絶縁を確
保できる。By attaching the insulating attachment 1 to the insulating plate 32 of the connection unit 30 as described above, the electric conductor 5 of one of the insulating bus ducts (in this example, the vertical bus duct 50A) is provided.
1A is covered with the insulating plate 32 and the attachment 1, and can secure electrical insulation between the phases of the parallel electric conductors 51A. Therefore, even if the conventional connection unit 30 for linear connection is used for connection between the vertical bus duct and the horizontal bus duct, the respective phases of the electric conductors in both bus ducts (in this example, without changing the size of the insulating plate 32 itself). Electrical insulation between the three phases).
【００１９】[0019]
【発明の効果】以上、説明したように本発明絶縁性アタ
ッチメントによれば、接続ユニットの絶縁板に取り付け
ることで絶縁板を延長し、電気導体において絶縁板に覆
われない露出部分を覆うことで、並列した電気導体の各
相間の電気的絶縁を確保できるという優れた効果を奏す
る。特に、本発明絶縁性アタッチメントは、絶縁板への
取り付けが容易であり、絶縁バスダクトの接続構造の組
み立て作業性に優れる。また、本発明絶縁性アタッチメ
ントを用いることで絶縁板自体の大きさを変える必要が
ないため、直線的な接続に用いる接続ユニットを垂直バ
スダクトと水平バスダクトとの垂直方向の接続にも共用
できる。As described above, according to the insulating attachment of the present invention, the insulating plate is extended by being attached to the insulating plate of the connection unit, and the exposed portion of the electric conductor that is not covered by the insulating plate is covered. This provides an excellent effect that electrical insulation between the phases of the parallel electric conductors can be ensured. In particular, the insulating attachment of the present invention can be easily attached to the insulating plate, and is excellent in workability in assembling the connection structure of the insulating bus duct. Further, since the size of the insulating plate itself does not need to be changed by using the insulating attachment of the present invention, the connection unit used for the linear connection can be shared for the vertical connection between the vertical bus duct and the horizontal bus duct.
【図1】(A)は、本発明絶縁性アタッチメントを接続ユニ
ットに具える絶縁板に取り付けた状態を示す断面図、
(B)は、その正面図である。FIG. 1 (A) is a cross-sectional view showing a state where the insulating attachment of the present invention is attached to an insulating plate provided in a connection unit.
(B) is a front view thereof.
【図2】接続ユニットを介して垂直バスダクトと水平バ
スダクトとを接続した状態において、本発明絶縁性アタ
ッチメントを接続ユニットに具える絶縁板に取り付けた
状態を示す部分切り欠き図である。FIG. 2 is a partial cutaway view showing a state where the insulating attachment of the present invention is attached to an insulating plate provided in the connection unit in a state where the vertical bus duct and the horizontal bus duct are connected via the connection unit.
【図3】接続ユニットを介して垂直バスダクトと水平バ
スダクトとを接続した状態を示す部分切り欠き図であ
る。FIG. 3 is a partially cutaway view showing a state in which a vertical bus duct and a horizontal bus duct are connected via a connection unit.
【図4】接続ユニットを介して垂直バスダクトと水平バ
スダクトとを接続した状態を示す右側面図である。FIG. 4 is a right side view showing a state where a vertical bus duct and a horizontal bus duct are connected via a connection unit.
1 絶縁性アタッチメント 2 取付部 2a 突条 3
遮断部
30 接続ユニット 31 導体当板 32 絶縁板 32a
凸部 32b 溝
33 接続側板 34 接続ボルト 35 露出部分 36 板
バネ 37 突起
38 回り止め
50A 垂直バスダクト 50B 水平バスダクト 51A、51B
電気導体
52 絶縁被覆導体 L1・L2 絶縁板の長さ L3 電気導
体の幅1 Insulating attachment 2 Mounting part 2a Protrusion 3
Breaker 30 Connection unit 31 Conductor contact plate 32 Insulation plate 32a
Convex part 32b Groove 33 Connection side plate 34 Connection bolt 35 Exposed part 36 Leaf spring 37 Projection 38 Non-rotating 50A Vertical bus duct 50B Horizontal bus duct 51A, 51B
Electric conductor 52 Insulated conductor L1 ・ L2 Length of insulating plate L3 Width of electric conductor
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平８−163755（ＪＰ，Ａ) 特開 平11−252755（ＪＰ，Ａ) 特開 平９−245605（ＪＰ，Ａ) 実開 昭61−133971（ＪＰ，Ｕ) 実開 平１−180813（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 5/08 311 H02G 5/06 311 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-163755 (JP, A) JP-A-11-252755 (JP, A) JP-A-9-245605 (JP, A) 133971 (JP, U) Hikaru Hira 1-180813 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) H02G 5/08 311 H02G 5/06 311
Claims (2)
絶縁板に装着する取付部と、前記取付部に一体化される
と共にバスダクト端部の電気導体で絶縁板に覆われない
露出部分を覆う遮断部とを具えることを特徴とする絶縁
性アタッチメント。1. A mounting part to be mounted on an insulating plate provided in a connecting unit of an insulated bus duct, and a blocking part integrated with the mounting part and covering an exposed part which is not covered with the insulating plate by an electric conductor at an end of the bus duct. An insulating attachment characterized by comprising:
水平バスダクトとを接続する絶縁バスダクトの接続構造
であって、 バスダクト端部において電気導体の各相間を絶縁する絶
縁板を有する接続ユニットと、 前記絶縁板に装着されて一方のバスダクトの電気導体で
絶縁板に覆われない露出部分を覆う絶縁性アタッチメン
トとを具えることを特徴とする絶縁バスダクトの接続構
造。2. A connection structure of an insulated bus duct for connecting a vertical bus duct and a horizontal bus duct via a connection unit, the connection unit having an insulating plate for insulating each phase of an electric conductor at an end of the bus duct; An insulated attachment which is mounted on a board and covers an exposed portion which is not covered by the insulating plate with an electric conductor of one of the bus ducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001174575A JP3538813B2 (en) | 2001-06-08 | 2001-06-08 | Connection structure of insulating attachment and insulating bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001174575A JP3538813B2 (en) | 2001-06-08 | 2001-06-08 | Connection structure of insulating attachment and insulating bus duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002369359A JP2002369359A (en) | 2002-12-20 |
| JP3538813B2 true JP3538813B2 (en) | 2004-06-14 |
Family
ID=19015844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001174575A Expired - Lifetime JP3538813B2 (en) | 2001-06-08 | 2001-06-08 | Connection structure of insulating attachment and insulating bus duct |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3538813B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884156B (en) * | 2020-09-01 | 2021-07-02 | 上海融钦电气集团有限公司 | Environment-friendly bus duct of power supply and distribution main line system |
-
2001
- 2001-06-08 JP JP2001174575A patent/JP3538813B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002369359A (en) | 2002-12-20 |
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