JPH02120635U - - Google Patents
Info
- Publication number
- JPH02120635U JPH02120635U JP3044589U JP3044589U JPH02120635U JP H02120635 U JPH02120635 U JP H02120635U JP 3044589 U JP3044589 U JP 3044589U JP 3044589 U JP3044589 U JP 3044589U JP H02120635 U JPH02120635 U JP H02120635U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- differential pressure
- outside air
- damper
- exhaust duct
- 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
- 230000003068 static effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ventilation (AREA)
Description
第１図は本考案に係る外気量制御装置の断面平
面図で、第２図は同・概略図、第３図は外気量制
御装置の動作を示すフローチヤート、第４図は従
来装置の断面平面図、第５図は同・概略図である
。
尚図中、１はエンジン実験室、３は排気ダクト
、３Ａは排出口、３Ｂは外気供給口、５はエンジ
ン、７はコントロール室、９は排気管、１１は排
風機、３１は外気量制御装置、３３はハイトルク
モータダンパー、３５は差圧検出器、３７は差圧
調節器である。
Fig. 1 is a cross-sectional plan view of the outside air amount control device according to the present invention, Fig. 2 is a schematic diagram thereof, Fig. 3 is a flow chart showing the operation of the outside air amount control device, and Fig. 4 is a cross section of the conventional device. The plan view and FIG. 5 are the same schematic diagrams. In the figure, 1 is the engine laboratory, 3 is the exhaust duct, 3A is the exhaust port, 3B is the outside air supply port, 5 is the engine, 7 is the control room, 9 is the exhaust pipe, 11 is the exhaust fan, and 31 is the outside air volume control. 33 is a high torque motor damper, 35 is a differential pressure detector, and 37 is a differential pressure regulator.
Claims (1)
供給口が、他端に排出口が設けられ、実験室に設
置された複数のエンジンの排気が前記外気供給口
と排出口との間における部分に排出される排気ダ
クトであつて、 前記排出口側に排風機が設けられた排気ダクト
において、 前記外気供給口側に開閉自在なダンパーを設け
、 前記ダンパーを開閉させる動力手段を設け、 前記ダンパーにおける空気流れの上流側と下流
側の差圧を検出する差圧検出器を設け、 差圧検出器により検出された差圧に基づい排気
ダクト内の静圧を所定値に保つように前記動力手
段を制御する差圧調節器を設けた、 ことを特徴とする排気ダクトの外気量制御装置。[Claims for Utility Model Registration] Extending along the engine laboratory, an outside air supply port is provided at one end and an exhaust port is provided at the other end, and the exhaust gas of a plurality of engines installed in the laboratory is connected to the outside air supply port. The exhaust duct is an exhaust duct that discharges air to a portion between the exhaust port and the exhaust fan is provided on the exhaust port side, and a damper that can be opened and closed is provided on the outside air supply port side, and the damper is opened and closed. A power means is provided, a differential pressure detector is provided to detect the differential pressure between the upstream side and the downstream side of the air flow in the damper, and the static pressure in the exhaust duct is set to a predetermined value based on the differential pressure detected by the differential pressure detector. 1. An outside air volume control device for an exhaust duct, comprising: a differential pressure regulator that controls the power means so as to maintain the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3044589U JPH083861Y2 (en) | 1989-03-16 | 1989-03-16 | Exhaust duct outside air amount control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3044589U JPH083861Y2 (en) | 1989-03-16 | 1989-03-16 | Exhaust duct outside air amount control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02120635U true JPH02120635U (en) | 1990-09-28 |
| JPH083861Y2 JPH083861Y2 (en) | 1996-01-31 |
Family
ID=31255522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3044589U Expired - Lifetime JPH083861Y2 (en) | 1989-03-16 | 1989-03-16 | Exhaust duct outside air amount control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083861Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247121A (en) * | 2011-05-27 | 2012-12-13 | Techno Ryowa Ltd | Variable air volume control device |
-
1989
- 1989-03-16 JP JP3044589U patent/JPH083861Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247121A (en) * | 2011-05-27 | 2012-12-13 | Techno Ryowa Ltd | Variable air volume control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083861Y2 (en) | 1996-01-31 |
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