JPS61152194U - - Google Patents
Info
- Publication number
- JPS61152194U JPS61152194U JP3512085U JP3512085U JPS61152194U JP S61152194 U JPS61152194 U JP S61152194U JP 3512085 U JP3512085 U JP 3512085U JP 3512085 U JP3512085 U JP 3512085U JP S61152194 U JPS61152194 U JP S61152194U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- step motor
- power source
- electric pulse
- low
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Description
第１図は、この考案の一実施例を示す電気パル
ス／空気圧変換器の回路接続図、第２図は、従来
の電気パルス／空気圧変換器の原理を示す図、第
３図は、同電気パルス／空気圧変換器のステツプ
モータ回路を示す図である。
１：オア回路、２：単安定マルチバイブレータ
、３：整流回路、４：比較器、５：リレー駆動回
路、８：リレー、９：ステツプモータ、１１：制
御弁。
Fig. 1 is a circuit connection diagram of an electric pulse/pneumatic converter showing an embodiment of this invention, Fig. 2 is a diagram showing the principle of a conventional electric pulse/pneumatic converter, and Fig. 3 is a diagram showing the principle of a conventional electric pulse/pneumatic converter. FIG. 2 is a diagram showing a step motor circuit of a pulse/pneumatic converter. 1: OR circuit, 2: Monostable multivibrator, 3: Rectifier circuit, 4: Comparator, 5: Relay drive circuit, 8: Relay, 9: Step motor, 11: Control valve.
Claims (1)
ータの回転度合に応じ、制御弁の出力空気圧が制
御される電気パルス／空気圧変換器において、前
記ステツプモータに高電圧を供給する第１の電源
と、前記ステツプモータに低電圧を供給する第２
の電源と、入力電気パルスの周波数が低い周波数
であるか高い周波数であるかを判別する周波数判
別手段と、この周波数判別手段出力に応答して、
高い周波数の時は前記第１の電源を前記ステツプ
モータに接続し、低い周波数の時は前記第２の電
源を前記ステツプモータに接続する切替回路を備
えてなる電気パルス／空気圧変換器。 An electric pulse/pneumatic pressure converter in which the output air pressure of a control valve is controlled according to the rotation degree of a step motor driven by receiving input electric pulses, a first power supply supplying a high voltage to the step motor; The second one supplies low voltage to the step motor.
a power source, a frequency determining means for determining whether the frequency of the input electric pulse is a low frequency or a high frequency, and in response to the output of the frequency determining means,
An electric pulse/pneumatic converter comprising a switching circuit that connects the first power source to the step motor when the frequency is high and connects the second power source to the step motor when the frequency is low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3512085U JPH0348716Y2 (en) | 1985-03-11 | 1985-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3512085U JPH0348716Y2 (en) | 1985-03-11 | 1985-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61152194U true JPS61152194U (en) | 1986-09-20 |
| JPH0348716Y2 JPH0348716Y2 (en) | 1991-10-17 |
Family
ID=30539110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3512085U Expired JPH0348716Y2 (en) | 1985-03-11 | 1985-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348716Y2 (en) |
-
1985
- 1985-03-11 JP JP3512085U patent/JPH0348716Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348716Y2 (en) | 1991-10-17 |