JPS60108932U

JPS60108932U - safety cabinet

Info

Publication number: JPS60108932U
Application number: JP19916583U
Authority: JP
Inventors: 折井　健; 河上　貴雄
Original assignee: Yamato Scientific Co Ltd
Current assignee: Yamato Scientific Co Ltd
Priority date: 1983-12-28
Filing date: 1983-12-28
Publication date: 1985-07-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に従う安全キャビネ’／）の
正面から見た半断面図、第２図は本考案の一実施例に従
う安全キャビネットの側面から見た断面図、第３図は本
考案の一実施例に従う安全キャビネットに取り付けられ
たシロッコファンの特性曲線図である。１・・・コントロールユニット、２・・・フサ、３・・
・表示器、７・・・風速センサ、９・・・排気用ＨＥＰ
Ａフィルタ、１１・・・循環用ＨＥＰＡフィルタ、１３
・・・風速センサ、１９・・・シロッコファン。FIG. 1 is a half-sectional view of a safety cabinet according to an embodiment of the present invention as seen from the front, FIG. 2 is a sectional view of the safety cabinet according to an embodiment of the present invention as seen from the side, and FIG. FIG. 3 is a characteristic curve diagram of a sirocco fan installed in a safety cabinet according to an embodiment of the present invention. 1... Control unit, 2... Fusa, 3...
・Indicator, 7... Wind speed sensor, 9... HEP for exhaust
A filter, 11... HEPA filter for circulation, 13
...Wind speed sensor, 19...Sirocco fan.

Claims

[Scope of utility model registration request]

(1) Equipped with a thread path that sends outside air taken in from the outside by a blowing means into the inside of the device, and an air purifying means,
In the safety cabinet, the safety cabinet has a yarn path inside the device through which outside air ventilation given from the yarn path is circulated by the ventilation means, and a yarn path in which the ventilation circulated through the yarn path is discharged to the outside by the ventilation means. A safety cabinet comprising a wind speed detection means for detecting the wind speed of ventilation, and means for driving an alarm means based on a comparison calculation of a detection signal given from the means and a preset wind speed reference value.

(2) The wind speed detecting means is a draft of outside air taken in from the outside by the blowing means, or a draft circulated through the yarn path inside the apparatus equipped with an air purifying means by the blowing means, or the blowing means 2. The safety cabinet according to claim 1, wherein the safety cabinet is provided to detect the speed of at least one of the airflows exhausted from the yarn path inside the device to the outside by a means.