JPH0428711U - - Google Patents
Info
- Publication number
- JPH0428711U JPH0428711U JP7007390U JP7007390U JPH0428711U JP H0428711 U JPH0428711 U JP H0428711U JP 7007390 U JP7007390 U JP 7007390U JP 7007390 U JP7007390 U JP 7007390U JP H0428711 U JPH0428711 U JP H0428711U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- power equipment
- floor
- outer panel
- absorbing material
- 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
- 239000011358 absorbing material Substances 0.000 claims description 2
Landscapes
- Patch Boards (AREA)
- Casings For Electric Apparatus (AREA)
Description
第１図はこの考案に係る低騒音形閉鎖配電盤の
構成を示す側面断面図、第２図は第１図における
−断面を示す図、第３図は第２図における
部を拡大した図、第４図は第１図における部を
拡大した図である。
図中、５は防音パネル、５ｂは吸音材、３０，
３１，３２は空気層、１００は筐体である。
Fig. 1 is a side cross-sectional view showing the configuration of a low-noise closed switchboard according to this invention, Fig. 2 is a - cross-sectional view in Fig. 1, and Fig. 3 is an enlarged view of the part in Fig. 2. FIG. 4 is an enlarged view of the portion in FIG. 1. In the figure, 5 is a soundproof panel, 5b is a sound absorbing material, 30,
31 and 32 are air layers, and 100 is a housing.
Claims (1)
の外板を有する筐体、 前記筐体内部において前記電力用機器を床面を
除く少なくとも五面から囲み、かつ前記筐体の床
面を除く各面の外板の内面との間に空気層を形成
するように前記筐体の各面の外板の内面から隔て
て設けられた、内部に吸音材を充填してなる防音
パネル、 を具備する低騒音形閉鎖配電盤。[Scope of Claim for Utility Model Registration] A housing having a substantially rectangular parallelepiped outer panel on each side for housing power equipment therein, surrounding the power equipment from at least five sides excluding the floor within the housing, and a sound-absorbing material is provided inside the housing, which is spaced apart from the inner surface of the outer panel on each side of the housing so as to form an air layer between the inner surface of the outer plate on each side of the housing other than the floor surface. A low-noise closed switchboard that is equipped with a soundproof panel made by filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7007390U JPH0428711U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7007390U JPH0428711U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0428711U true JPH0428711U (en) | 1992-03-06 |
Family
ID=31605933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7007390U Pending JPH0428711U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4446975A1 (en) * | 1993-12-28 | 1995-06-29 | Mitsubishi Electric Corp | Laser processing machine |
-
1990
- 1990-06-29 JP JP7007390U patent/JPH0428711U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4446975A1 (en) * | 1993-12-28 | 1995-06-29 | Mitsubishi Electric Corp | Laser processing machine |
| US5585015A (en) * | 1993-12-28 | 1996-12-17 | Mitsubishi Denki Kabushiki Kaisha | Laser machining apparatus and method |
| DE4446975C2 (en) * | 1993-12-28 | 1997-02-13 | Mitsubishi Electric Corp | Laser processing device and laser processing method |