JPS60105655U - Underground electrical equipment - Google Patents
Underground electrical equipmentInfo
- Publication number
- JPS60105655U JPS60105655U JP19540383U JP19540383U JPS60105655U JP S60105655 U JPS60105655 U JP S60105655U JP 19540383 U JP19540383 U JP 19540383U JP 19540383 U JP19540383 U JP 19540383U JP S60105655 U JPS60105655 U JP S60105655U
- Authority
- JP
- Japan
- Prior art keywords
- electrical equipment
- electric device
- connecting member
- underground hole
- equipment 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.)
- Pending
Links
Landscapes
- Prevention Of Electric Corrosion (AREA)
- Housings And Mounting Of Transformers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の地下孔設置形電気機器の側面図、第２図
は第１図における地下孔設置形電気機器が汚水により冠
水した場合の電流経路の説明図、第３図は本考案による
地下孔設置形電気機器の側面図、第４図は本考案で用い
られる連結金具の一部を示す斜視図、第５図は本考案に
よる地下孔設置形電気機器が汚水により冠水した場合の
電流経路の説明図である。
１１・・・電気機器本体、ｌｌｃ・・・放熱器、１５・
・・連結金具、１６・・・接地端子、１８・・・接地棒
、１９・・・素地露出部、２１・・・被覆層。Figure 1 is a side view of a conventional electrical equipment installed in an underground hole, Figure 2 is an explanatory diagram of the current path when the electrical equipment installed in an underground hole in Figure 1 is submerged with sewage, and Figure 3 is a diagram based on the present invention. Figure 4 is a side view of the electrical equipment installed in an underground hole, Figure 4 is a perspective view showing a part of the connecting fittings used in the present invention, and Figure 5 shows the current when the electrical equipment installed in the underground hole according to the invention is submerged in sewage. It is an explanatory diagram of a route. 11...Electrical equipment body, llc...heat radiator, 15.
... Connecting metal fitting, 16... Ground terminal, 18... Ground rod, 19... Base exposed portion, 21... Covering layer.
Claims (1)
を設置しこの電気機器本体の接地端子部と接地棒とを接
地線で接続し前記電気機器本体の側面に配置される放熱
器の上下部を連結部材で連結した地下孔設置形電気機器
において前記連結部材の表面に前記電気機器本体よりも
低電位な材料例えば亜鉛を溶融亜鉛メッキあるいは溶射
により被覆層を形成しこの被覆層を露出した状態で前記
連結部材と電気機器本体の一部または前記接地端子部と
を接続したことを特徴とする地下孔設置形電気機器。An electrical equipment body is installed in an underground hole having an opening that communicates with the outside air, and the grounding terminal of the electrical equipment body and a grounding rod are connected with a grounding wire, and the upper and lower sides of the radiator placed on the side of the electrical equipment body are connected. In an underground hole-installed electric device in which parts are connected by a connecting member, a coating layer is formed on the surface of the connecting member by hot-dip galvanizing or thermal spraying with a material having a lower potential than the electric device body, such as zinc, and this coating layer is exposed. An underground hole installation type electric device, wherein the connecting member and a part of the electric device main body or the ground terminal portion are connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19540383U JPS60105655U (en) | 1983-12-21 | 1983-12-21 | Underground electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19540383U JPS60105655U (en) | 1983-12-21 | 1983-12-21 | Underground electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60105655U true JPS60105655U (en) | 1985-07-18 |
Family
ID=30752949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19540383U Pending JPS60105655U (en) | 1983-12-21 | 1983-12-21 | Underground electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60105655U (en) |
-
1983
- 1983-12-21 JP JP19540383U patent/JPS60105655U/en active Pending
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