JPS6450607U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第５図は本考案による閉鎖配電盤の実
施例に係り、第１図はインターロツク機構を示す
構成図、第２図ａは主回路単線図、第２図ｂは閉
鎖配電盤の構成図、第３図は要部を示す構成図、
第４図は蓋の平面図、第５図は蓋の部分詳細図、
第６図〜第１０図は従来の閉鎖配電盤に係り、第
６図は主回路単線図、第７図は正面図、第８図は
第７図の―矢視図、第９図は第７図の―
矢視図、第１０図はその他の例を示す第７図の
―矢視図である。 １……筐体、３……しや断器室、６……電源母
線室、７……負荷母線室、１０……負荷母線、１
６……計器用変圧器、１７……パワーヒユーズ、
２６ａ……第一固定端子、２６ｂ……第二固定端
子、３１……第二蓋、３２……碍子、３３ａ……
第一可動端子、３３ｂ……第二可動端子、４５…
…インターロツク機構、４６……軸、４７……レ
バー、５１……ロツド、５５……掛金、５６……
孔、５７……第一蓋。 Figures 1 to 5 relate to an embodiment of the closed switchboard according to the present invention, in which Figure 1 is a configuration diagram showing the interlock mechanism, Figure 2a is a single line diagram of the main circuit, and Figure 2b is the configuration of the closed switchboard. Figure 3 is a configuration diagram showing the main parts,
Figure 4 is a plan view of the lid, Figure 5 is a partial detailed view of the lid,
Figures 6 to 10 relate to a conventional closed switchboard, where Figure 6 is a single line diagram of the main circuit, Figure 7 is a front view, Figure 8 is a view in the direction of the - arrow of Figure 7, and Figure 9 is a view of Figure 7. Figure -
Fig. 10 is a - arrow view of Fig. 7 showing another example. 1...Housing, 3...Shipping breaker room, 6...Power bus room, 7...Load bus room, 10...Load bus, 1
6...Instrument transformer, 17...Power fuse,
26a...First fixed terminal, 26b...Second fixed terminal, 31...Second lid, 32...Insulator, 33a...
First movable terminal, 33b... Second movable terminal, 45...
...Interlock mechanism, 46...Shaft, 47...Lever, 51...Rod, 55...Latch, 56...
Hole, 57...first lid.

Claims (1)

【実用新案登録請求の範囲】 筐体の内部前方にしや断器室を設けるとともに
後方に負荷母線室を設け、負荷母線室内の上部前
方に電源母線室を設けた閉鎖配電盤において、 負荷母線室の上部に計器用変圧器を配置すると
ともに計器用変圧器の後方に第一蓋を設け、計器
用変圧器の下方には計器用変圧器に接続した第一
固定端子を配置する一方、第一固定端子の下方に
は負荷母線室内の負荷母線に接続された第二固定
端子を配置し、第一蓋の下方に筐体の外部へ向か
つて開く第二蓋を設けるとともに第二蓋の内側に
碍子を介してパワーヒユーズを着脱自在に設け、
第一固定端子、第二固定端子に着脱自在な第一、
第二可動端子をパワーヒユーズの両端に設け、 筐体内の第二蓋の近傍にくの字形のレバーの屈
曲部を回動自在に支持してレバーの下端部を回動
自在に第二蓋の内側に連結する一方、筐体内で鉛
直方向へ移動自在に支持されたロツドの下端をレ
バーの上端に回動自在に連結し、第一蓋の内側に
一体的に固定された掛金に孔を形成して孔にロツ
ドの上端部を挿通したことを特徴とする閉鎖配電
盤。[Scope of Claim for Utility Model Registration] In a closed power distribution board in which a sheath breaker chamber is provided at the front of the interior of the casing, a load bus chamber is provided at the rear, and a power supply bus chamber is provided at the upper front of the load bus chamber. An instrument transformer is placed on the top, and a first cover is provided behind the instrument transformer, and a first fixed terminal connected to the instrument transformer is arranged below the instrument transformer. A second fixed terminal connected to the load bus in the load bus chamber is arranged below the terminal, and a second cover that opens toward the outside of the case is provided below the first cover, and an insulator is installed inside the second cover. The power fuse is detachably installed through the
A first fixed terminal, a first detachable terminal, a second fixed terminal;
A second movable terminal is provided at both ends of the power fuse, a bent portion of the dogleg-shaped lever is rotatably supported near the second lid in the housing, and the lower end of the lever is rotatably attached to the second lid. While connected to the inside, the lower end of the rod supported vertically movably within the housing is rotatably connected to the upper end of the lever, and a hole is formed in the latch integrally fixed inside the first lid. A closed switchboard characterized in that the upper end of the rod is inserted into the hole.