JPS62105447U - - Google Patents
Info
- Publication number
- JPS62105447U JPS62105447U JP19863785U JP19863785U JPS62105447U JP S62105447 U JPS62105447 U JP S62105447U JP 19863785 U JP19863785 U JP 19863785U JP 19863785 U JP19863785 U JP 19863785U JP S62105447 U JPS62105447 U JP S62105447U
- Authority
- JP
- Japan
- Prior art keywords
- wind speed
- exhaust
- front opening
- damper
- draft chamber
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ventilation (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Description
第１図はこの考案の一実施例であるドラフトチ
ヤンバの正面図、第２図はその概略断面図、第３
図はこの実施例の回路構成を示すブロツク図であ
る。
１……ドラフトチヤンバ、２……本体、３……
前面開口部、４……前面扉、１０……排気路、１
１……ダンパ、１２……排気フアン、１５……風
速センサ、１７……目標風速設定部、２１，２２
……比較回路、２３……基準電位出力器、２４，
２６……ダンパ駆動回路、２５……ダンパ回転モ
ータ。
Fig. 1 is a front view of a draft chamber which is an embodiment of this invention, Fig. 2 is a schematic sectional view thereof, and Fig. 3 is a schematic sectional view of the draft chamber.
The figure is a block diagram showing the circuit configuration of this embodiment. 1...Draft chamber, 2...Main body, 3...
Front opening, 4...Front door, 10...Exhaust path, 1
1... Damper, 12... Exhaust fan, 15... Wind speed sensor, 17... Target wind speed setting section, 21, 22
... Comparison circuit, 23 ... Reference potential output device, 24,
26... Damper drive circuit, 25... Damper rotation motor.
Claims (1)
部から行うようにしたドラフトチヤンバにおいて
、 排気路に取付けられた排気量調整用のダンパと
、 前記前面開口部における流入風速を測定する風
速センサと、 前記前面開口部における目標風速を設定するた
めの目標風速設定手段と、 前記目標風速設定手段の出力信号と前記風速セ
ンサの出力信号に基づいて、前記前面開口部の流
入風速が前記目標風速に一致するように、前記ダ
ンパを駆動して排気量を調整する制御手段とを備
えたドラフトチヤンバ。[Scope of Claim for Utility Model Registration] In a draft chamber in which exhaust is performed by an exhaust fan and intake is performed from a front opening, there is provided a damper for adjusting the displacement installed in the exhaust passage, and an inflow at the front opening. a wind speed sensor for measuring wind speed; a target wind speed setting means for setting a target wind speed at the front opening; A draft chamber comprising: control means for driving the damper to adjust the exhaust volume so that the inflow wind speed matches the target wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985198637U JPH0529076Y2 (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985198637U JPH0529076Y2 (en) | 1985-12-23 | 1985-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105447U true JPS62105447U (en) | 1987-07-06 |
| JPH0529076Y2 JPH0529076Y2 (en) | 1993-07-26 |
Family
ID=31159506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985198637U Expired - Lifetime JPH0529076Y2 (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529076Y2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01167334U (en) * | 1988-05-11 | 1989-11-24 | ||
| JPH08313023A (en) * | 1996-06-24 | 1996-11-29 | Hitachi Ltd | Clean work bench |
| KR100775003B1 (en) | 2006-07-12 | 2007-11-08 | 주식회사씨애치씨랩 | Bio safrty cabinet |
| JP2011104469A (en) * | 2009-11-13 | 2011-06-02 | Manzen Koki Kk | Draft chamber equipped with wind speed controller for opening/closing window section |
| JP2012237527A (en) * | 2011-05-13 | 2012-12-06 | Azbil Corp | Room pressure controlling system |
| JP2019110881A (en) * | 2017-12-26 | 2019-07-11 | Ｐｈｃホールディングス株式会社 | Cabinet for biohazard countermeasure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970913A (en) * | 1982-10-16 | 1984-04-21 | Yamato Scient Co Ltd | Front surface inflow air flow velocity measuring and display apparatus of draft chamber |
-
1985
- 1985-12-23 JP JP1985198637U patent/JPH0529076Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970913A (en) * | 1982-10-16 | 1984-04-21 | Yamato Scient Co Ltd | Front surface inflow air flow velocity measuring and display apparatus of draft chamber |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01167334U (en) * | 1988-05-11 | 1989-11-24 | ||
| JPH08313023A (en) * | 1996-06-24 | 1996-11-29 | Hitachi Ltd | Clean work bench |
| KR100775003B1 (en) | 2006-07-12 | 2007-11-08 | 주식회사씨애치씨랩 | Bio safrty cabinet |
| JP2011104469A (en) * | 2009-11-13 | 2011-06-02 | Manzen Koki Kk | Draft chamber equipped with wind speed controller for opening/closing window section |
| JP2012237527A (en) * | 2011-05-13 | 2012-12-06 | Azbil Corp | Room pressure controlling system |
| JP2019110881A (en) * | 2017-12-26 | 2019-07-11 | Ｐｈｃホールディングス株式会社 | Cabinet for biohazard countermeasure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0529076Y2 (en) | 1993-07-26 |