JPH0277528U - - Google Patents
Info
- Publication number
- JPH0277528U JPH0277528U JP15523188U JP15523188U JPH0277528U JP H0277528 U JPH0277528 U JP H0277528U JP 15523188 U JP15523188 U JP 15523188U JP 15523188 U JP15523188 U JP 15523188U JP H0277528 U JPH0277528 U JP H0277528U
- Authority
- JP
- Japan
- Prior art keywords
- work space
- air blowing
- blower
- air
- ventilation device
- 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
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ventilation (AREA)
Description
第１図は本考案の一実施例である送風換気装置
の制御系を示す機能ブロツク図、第２図はその送
風換気装置の平面図、第３図は正面図、第４図は
側面図、第５図はその送風換気装置の使用状態の
一例を簡略に示す説明図である。
１０：送風換気装置、１６：地下空間（閉鎖型
作業空間）、１８：マンホール、２２：送風ダク
ト、２４：機器本体、２６：送風機、３０：ガス
濃度検出装置、３２：センサ、４８：送風量制御
装置。
Fig. 1 is a functional block diagram showing the control system of a blower ventilation device which is an embodiment of the present invention, Fig. 2 is a plan view of the blower ventilation device, Fig. 3 is a front view, and Fig. 4 is a side view. FIG. 5 is an explanatory diagram briefly showing an example of the usage state of the air blowing ventilation device. 10: Air blower ventilation device, 16: Underground space (closed work space), 18: Manhole, 22: Air blower duct, 24: Equipment body, 26: Air blower, 30: Gas concentration detection device, 32: Sensor, 48: Air flow rate Control device.
Claims (1)
から空気等の清浄ガスを強制的に送込み、その作
業空間の換気を図る送風換気装置であつて、 (a) 前記作業空間内に送風ダクトを介して前記
清浄ガスを送込む送風機を備えた機器本体と、 (b) その機器本体に設けられ、前記作業空間内
に配置されをセンサからの信号に基づいてその作
業空間内のガス濃度を検出するガス濃度検出装置
と、 (c) 前記機器本体に設けられ、前記ガス濃度検
出装置により有害ガス発生状態または酸素欠乏状
態が検出された場合には、前記送風機の送風量を
通常状態より増加させる送風量制御装置と を含むことを特徴とする閉鎖型作業空間の送風換
気装置。[Scope of Claim for Utility Model Registration] An air blowing ventilation device that forcibly sends clean gas such as air into a predetermined closed work space through an opening such as a manhole to ventilate the work space, (a) (b) a device body including a blower that sends the clean gas into the work space through a blower duct; (c) a gas concentration detection device that detects the gas concentration in the work space; An air blowing ventilation device for a closed work space, comprising: an air blowing amount control device that increases the air blowing amount compared to a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15523188U JPH0277528U (en) | 1988-11-29 | 1988-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15523188U JPH0277528U (en) | 1988-11-29 | 1988-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0277528U true JPH0277528U (en) | 1990-06-14 |
Family
ID=31432678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15523188U Pending JPH0277528U (en) | 1988-11-29 | 1988-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0277528U (en) |
-
1988
- 1988-11-29 JP JP15523188U patent/JPH0277528U/ja active Pending
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