JPS6058149U - Respiratory protection equipment with electric fan - Google Patents
Respiratory protection equipment with electric fanInfo
- Publication number
- JPS6058149U JPS6058149U JP14959983U JP14959983U JPS6058149U JP S6058149 U JPS6058149 U JP S6058149U JP 14959983 U JP14959983 U JP 14959983U JP 14959983 U JP14959983 U JP 14959983U JP S6058149 U JPS6058149 U JP S6058149U
- Authority
- JP
- Japan
- Prior art keywords
- electric fan
- protection equipment
- respiratory protection
- fan
- fan motor
- 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
Landscapes
- 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
第１図は、ＮｉＣｄ電池の放電特性並びにそれに基づ（
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・・・・・・制御回路、Ａｌ、Ａ２
？ Ａ３− Ａ４・・・・・・演算増幅器。Figure 1 shows the discharge characteristics of a NiCd battery and (based on it)
FIG. 2, which is a diagram showing changes in the amount of air blown by the fan, 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...Control circuit, Al, A2
? A3- A4...Operation amplifier.
Claims (1)
に強制的に送る電動ファン付呼吸保護具において、ファ
ンモータの端子電圧を検出し、そめ検出信号により前記
ファンモータへの印加電圧が常に一定になるように制御
する手段を設けたことを特徴とする電動ファン付呼吸保
護具。- In a respirator with an electric fan that forcibly sends air purified by a filter into the facepiece, the terminal voltage of the fan motor is detected, and the voltage applied to the fan motor is always constant based on a deflection detection signal. A respiratory protective device with an electric fan, characterized in that it is provided with a means for controlling it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14959983U JPS6058149U (en) | 1983-09-29 | 1983-09-29 | Respiratory protection equipment with electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14959983U JPS6058149U (en) | 1983-09-29 | 1983-09-29 | Respiratory protection equipment with electric fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6058149U true JPS6058149U (en) | 1985-04-23 |
| JPH0234908Y2 JPH0234908Y2 (en) | 1990-09-20 |
Family
ID=30332034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14959983U Granted JPS6058149U (en) | 1983-09-29 | 1983-09-29 | Respiratory protection equipment with electric fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6058149U (en) |
-
1983
- 1983-09-29 JP JP14959983U patent/JPS6058149U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0234908Y2 (en) | 1990-09-20 |
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