JPS6058148U - Respiratory protection equipment with electric fan - Google Patents

Respiratory protection equipment with electric fan

Info

Publication number
JPS6058148U
JPS6058148U JP14959883U JP14959883U JPS6058148U JP S6058148 U JPS6058148 U JP S6058148U JP 14959883 U JP14959883 U JP 14959883U JP 14959883 U JP14959883 U JP 14959883U JP S6058148 U JPS6058148 U JP S6058148U
Authority
JP
Japan
Prior art keywords
electric fan
protection equipment
respiratory protection
fan
amount
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
Application number
JP14959883U
Other languages
Japanese (ja)
Other versions
JPH0331311Y2 (en
Inventor
宮下　照夫
展也 堀口
Original Assignee
興研株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 興研株式会社 filed Critical 興研株式会社
Priority to JP14959883U priority Critical patent/JPS6058148U/en
Publication of JPS6058148U publication Critical patent/JPS6058148U/en
Application granted granted Critical
Publication of JPH0331311Y2 publication Critical patent/JPH0331311Y2/ja
Granted legal-status Critical Current

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  • Respiratory Apparatuses And Protective Means (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、ＮｉＣｄ電池の放電特性並びにそれに基ブく
ファンの送風量の変化を示す図、第２図は、本考案の一
実施例の回路図である。 １・・・・・・三角波発生回路、２・・・・・・波形整
形回路、３・・・・・・モータ駆動回路、４・・・・・
・ファンモータ、５・・・・・・風量センサ、６・・・
・・・制御回路、Ａ１．Ａ２．Ａ３、Ａ４・・・・・・
演算増幅器。FIG. 1 is a diagram showing the discharge characteristics of a NiCd battery and changes in the amount of air blown by a fan based on the discharge characteristics, and FIG. 2 is a circuit diagram of an embodiment of the present invention. 1... Triangular wave generation circuit, 2... Waveform shaping circuit, 3... Motor drive circuit, 4...
・Fan motor, 5... Air volume sensor, 6...
...control circuit, A1. A2. A3, A4...
operational amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] フィルタで浄化した空気を電動ファンにより面体内に強
制的に送る電動ファン付呼吸保護具において、前記電動
ファンの送風量を検出する手段と、その検出信号により
前記送風量が常に一定になるようにファンモータへの印
加電圧を制御する手段とを設けたことを特徴とする電動
ファン付呼吸保護具。A respiratory protective device with an electric fan that forcibly sends air purified by a filter into a facepiece using an electric fan, which includes means for detecting the amount of air blown by the electric fan, and a detection signal from the electric fan so that the amount of air blown is always constant. A respiratory protective device with an electric fan, characterized in that it is provided with means for controlling voltage applied to a fan motor.
JP14959883U 1983-09-29 1983-09-29 Respiratory protection equipment with electric fan Granted JPS6058148U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14959883U JPS6058148U (en) 1983-09-29 1983-09-29 Respiratory protection equipment with electric fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14959883U JPS6058148U (en) 1983-09-29 1983-09-29 Respiratory protection equipment with electric fan

Publications (2)

Publication Number Publication Date
JPS6058148U true JPS6058148U (en) 1985-04-23
JPH0331311Y2 JPH0331311Y2 (en) 1991-07-03

Family

ID=30332032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14959883U Granted JPS6058148U (en) 1983-09-29 1983-09-29 Respiratory protection equipment with electric fan

Country Status (1)

Country Link
JP (1) JPS6058148U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829468A (en) * 1981-05-29 1983-02-21 レイカル・セイフテイ−・リミテツド Air purifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829468A (en) * 1981-05-29 1983-02-21 レイカル・セイフテイ−・リミテツド Air purifier

Also Published As

Publication number Publication date
JPH0331311Y2 (en) 1991-07-03

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