JPS6450608U - - 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図は構成図、第２図は主回路単
線図、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１
０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１
０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……第二固定端子、２６ｂ……第三固定端
子、３１……第二蓋、３２……碍子、３３ａ……
第二可動端子、３３ｂ……第三可動端子、４５…
…隔壁、４６……変圧器室、４７……第一固定端
子、４８……第一蓋、５０……第一可動端子、５
２……貫通ブツシング。 Figures 1 to 5 relate to an embodiment of the closed switchboard according to the present invention, where Figure 1 is a configuration diagram, Figure 2 is a main circuit single line diagram, Figure 3 is a configuration diagram showing the main parts, and Figure 4 is a diagram showing the main circuit. A plan view of the lid, Figure 5 is a partial detailed view of the lid, Figures 6 to 1.
Figure 0 relates to a conventional closed switchboard, Figure 6 is a single line diagram of the main circuit, Figure 7 is a front view, and Figure 8 is a diagram of Figure 7.
The arrow view, Fig. 9 is the -arrow view, No. 1 of Fig. 7.
FIG. 0 is a view taken along the - arrow in 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...Second fixed terminal, 26b...Third fixed terminal, 31...Second lid, 32...Insulator, 33a...
Second movable terminal, 33b...Third movable terminal, 45...
...Partition wall, 46...Transformer chamber, 47...First fixed terminal, 48...First lid, 50...First movable terminal, 5
2... Penetration bushing.

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水平方向へ延びる隔壁を設
けて負荷母線室内の上部を変圧器室にするととも
に、隔壁の上部に第一固定端子を設ける一方、筐
体の後方へ開閉自在な第一蓋の内側に計器用変圧
器を固定して計器用変圧器に第一固定端子に接離
自在な第一可動端子を固定し、隔壁の下部には隔
壁を貫通する貫通ブツシングを介して第一固定端
子に接続された第二固定端子を設ける一方、第二
固定端子の下方に負荷母線室の負荷母線と接続さ
れた第三固定端子を設け、筐体の後方へ開閉自在
な第二蓋の内側に碍子を介してパワーヒユーズを
着脱自在に固定し、パワーヒユーズの両端には第
二、第三固定端子と着脱自在な第二、第三可動端
子を設け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. A horizontally extending partition wall is provided at the top to make the upper part of the load busbar room into a transformer room, and a first fixed terminal is provided at the top of the partition wall, while an instrument is installed inside the first lid that can be opened and closed toward the rear of the housing. A first movable terminal that can be freely connected to and separated from the first fixed terminal is fixed to the instrument transformer, and a first movable terminal that can be freely connected to and detached from the first fixed terminal is fixed to the instrument transformer. A second fixed terminal is provided below the second fixed terminal, and a third fixed terminal connected to the load bus in the load busbar chamber is provided, and an insulator is provided inside a second lid that can be opened and closed toward the rear of the housing. A closed power distribution board characterized in that a power fuse is fixed in a detachable manner, and second and third fixed terminals and detachable second and third movable terminals are provided at both ends of the power fuse.