JPH0480211U

JPH0480211U -

Info

Publication number: JPH0480211U
Application number: JP12240790U
Authority: JP
Priority date: 1990-11-26
Filing date: 1990-11-26
Publication date: 1992-07-13
Anticipated expiration: 2005-11-26
Also published as: JP2545534Y2

Description

[Brief explanation of the drawing]

第１図ないし第６図は本考案の実施例を示した
もので、第１図は本考案の実施例の外観を示す概
略正面図、第２図は一部を破断して示した側面図
、第３図は第１図において前面側の各カバーを外
してその内部の構造を一部破断して示した内部構
造図、第４図及び第５図はそれぞれ変圧器ケース
の外形を示す正面図及び側面図、第６図は実施例
の電気的な構成例を示す結線図、第７図は本考案
の他の実施例の要部を示した内部構造図である。１……ベース、２，３……縦ダクト、４……横
ダクト、５……分電盤ケース、６……変圧器ケー
ス、Ｌ１ａ，Ｌ２ａ……分電盤と変圧器との間を
接続する配線、Ｌ３ａ，Ｌ３ｂ……分電盤と外部
との間の配線、Ｗ１……吸気窓、Ｗ２１〜Ｗ２４
……第１ないし第４の通気孔、Ｗ３……排気窓。 Figures 1 to 6 show an embodiment of the present invention. Figure 1 is a schematic front view showing the external appearance of the embodiment of the present invention, and Figure 2 is a partially cutaway side view. , Figure 3 is an internal structure diagram showing the internal structure with the front side covers removed in Figure 1, and the internal structure is partially cut away, Figures 4 and 5 are front views showing the external shape of the transformer case, respectively. FIG. 6 is a wiring diagram showing an example of the electrical configuration of the embodiment, and FIG. 7 is an internal structural diagram showing the main parts of another embodiment of the present invention. 1... Base, 2, 3... Vertical duct, 4... Horizontal duct, 5... Distribution board case, 6... Transformer case, L1a, L2a... Connection between the distribution board and transformer. Wiring, L3a, L3b...Wiring between the distribution board and the outside, W1...Intake window, W21 to W24
...First to fourth ventilation holes, W3...Exhaust window.

Claims

[Scope of Claim for Utility Model Registration] (1) In electrical distribution equipment equipped with a distribution board and a transformer for the power supply of the distribution board, two hollow vertical ducts each having a rectangular cross section are provided. The horizontal ducts are arranged in parallel with each other with their longitudinal directions facing up and down and are supported on the base, and a horizontal duct having a rectangular cross section is arranged to vertically partition the space between the two vertical ducts. Both ends of the duct are connected to the two vertical ducts, a distribution board case is placed above the horizontal duct, the distribution board is housed in the distribution board case, and the distribution board is located below the horizontal duct. A transformer case is disposed, and the transformer is housed in the transformer case, an intake window W1 is provided at the lower part of the transformer case, and the two vertical ducts are opposite to each other of the transformer case. A first ventilation hole W21 is provided in the upper part of at least one of the side walls of the vertical duct, and a second ventilation hole W22 is provided in the side wall of the vertical duct opposite to the first ventilation hole W21. 1. An electrical equipment for power distribution, characterized in that an exhaust window W3 is provided at the top of a vertical duct connected to the first ventilation hole W22 and provided with the second ventilation hole W22. (2) In electrical distribution equipment equipped with a distribution board and a transformer for the power supply of the distribution board, two hollow vertical ducts each having a rectangular cross section are oriented vertically in the longitudinal direction. A horizontal duct having a rectangular cross section is arranged in parallel with each other and supported on the base, and is arranged so as to vertically partition the space between the two vertical ducts, and both ends of the horizontal duct are connected to the two vertical ducts. connected to the vertical duct, a distribution board case is placed above the horizontal duct, the distribution board is housed within the distribution board case, and a transformer case is placed below the horizontal duct. The transformer is housed in the transformer case, an intake window W1 is provided in the lower part of the transformer case, a first ventilation hole W21 is provided in the ceiling plate of the transformer case, and a lower part of the horizontal duct is provided. A second ventilation hole W22 is provided in the horizontal duct, and the second ventilation hole W22 is connected to the first ventilation hole W21, a third ventilation hole W23 is provided in at least one end of the horizontal duct, and the third ventilation hole W22 is connected to the first ventilation hole W21. A fourth ventilation hole W24 is provided in a side wall of the vertical duct facing the ventilation hole W23, and the fourth ventilation hole W24 is connected to the third ventilation hole W23, and the fourth ventilation hole W24 is provided. Electrical equipment for power distribution, characterized in that an exhaust window W3 is provided in the upper part of the vertical duct.