JPH0216938U - - Google Patents
Info
- Publication number
- JPH0216938U JPH0216938U JP9464188U JP9464188U JPH0216938U JP H0216938 U JPH0216938 U JP H0216938U JP 9464188 U JP9464188 U JP 9464188U JP 9464188 U JP9464188 U JP 9464188U JP H0216938 U JPH0216938 U JP H0216938U
- Authority
- JP
- Japan
- Prior art keywords
- filter layer
- hepa filter
- clean room
- speaker
- room
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Description
第１図は天井裏をサプライプレナムとしたクリ
ーンルームにスピーカを取付ける本考案の例を示
す略断面図、第２図はフアンフイルタユニツトに
スピーカを取付ける本考案の例を示す略断面図、
第３図は第２図の平面図、第４図は第２〜３図の
スピーカ設置例におけるフイルタの有無による音
圧レベルの測定結果を示す図である。
１……クリーンルーム室内、２……ＨＥＰＡフ
イルタ、３……天井フレーム材、４……吊りボル
ト、５……下地材、６……スピーカ、７……横梁
材、８……フアン、９……ケーシング、１０……
フアンフイルタユニツト、１２……スピーカボツ
クス。
Fig. 1 is a schematic cross-sectional view showing an example of the present invention in which a speaker is installed in a clean room with a supply plenum in the ceiling, and Fig. 2 is a schematic cross-sectional view showing an example of the present invention in which a speaker is installed in a fan filter unit.
FIG. 3 is a plan view of FIG. 2, and FIG. 4 is a diagram showing measurement results of sound pressure levels with and without a filter in the speaker installation examples of FIGS. 2 and 3. 1...Clean room interior, 2...HEPA filter, 3...Ceiling frame material, 4...Hanging bolt, 5...Front material, 6...Speaker, 7...Horizontal beam material, 8...Fan, 9... Casing, 10...
Fan filter unit, 12...Speaker box.
Claims (1)
ＨＥＰＡフイルタ層を通じて室内に清浄空気を給
気するようにしたクリーンルームにおいて、該Ｈ
ＥＰＡフイルタ層よりも上方の位置であつて且つ
音声が該ＨＥＰＡフイルタ層を透過する位置に放
送用スピーカを設置したことを特徴とするクリー
ンルームの放送設備。 In a clean room where a HEPA filter layer is placed on the ceiling and clean air is supplied into the room through this HEPA filter layer,
A clean room broadcasting facility characterized in that a broadcasting speaker is installed at a position above an EPA filter layer and at a position where sound passes through the HEPA filter layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9464188U JPH05748Y2 (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9464188U JPH05748Y2 (en) | 1988-07-19 | 1988-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0216938U true JPH0216938U (en) | 1990-02-02 |
| JPH05748Y2 JPH05748Y2 (en) | 1993-01-11 |
Family
ID=31319202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9464188U Expired - Lifetime JPH05748Y2 (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05748Y2 (en) |
-
1988
- 1988-07-19 JP JP9464188U patent/JPH05748Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05748Y2 (en) | 1993-01-11 |