JPS62183203U - - Google Patents
Info
- Publication number
- JPS62183203U JPS62183203U JP7161386U JP7161386U JPS62183203U JP S62183203 U JPS62183203 U JP S62183203U JP 7161386 U JP7161386 U JP 7161386U JP 7161386 U JP7161386 U JP 7161386U JP S62183203 U JPS62183203 U JP S62183203U
- Authority
- JP
- Japan
- Prior art keywords
- control
- process amount
- solenoid valve
- valve
- control fluid
- 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
- 238000000034 method Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Feedback Control In General (AREA)
Description
第１図は本考案の調節弁の一実施例の説明図、
第２図は第１図におけるマイクロコンピユータの
演算ブロツク図、第３図は本考案の調節弁の他の
実施例の説明図、第４図は従来の調節弁の一例を
示す説明図である。
１は調節弁、２は制御流体供給管、３は制御流
体供給用ソレノイド弁、４は制御流体排出用ソレ
ノイド弁、５は制御流体排出管、７はプロセス量
検出器、８はプロセス量／電気信号変換器、９は
ＡＤ変換器、１０はマイクロコンピユータ、１１
はソレノイド弁駆動回路を示す。
FIG. 1 is an explanatory diagram of an embodiment of the control valve of the present invention;
FIG. 2 is a calculation block diagram of the microcomputer in FIG. 1, FIG. 3 is an explanatory diagram of another embodiment of the control valve of the present invention, and FIG. 4 is an explanatory diagram showing an example of a conventional control valve. 1 is a control valve, 2 is a control fluid supply pipe, 3 is a solenoid valve for controlling fluid supply, 4 is a solenoid valve for controlling fluid discharge, 5 is a control fluid discharge pipe, 7 is a process quantity detector, 8 is a process quantity/electricity Signal converter, 9 is an AD converter, 10 is a microcomputer, 11
indicates the solenoid valve drive circuit.
Claims (1)
ノイド弁及び制御流体排出用ソレノイド弁を設け
、制御すべきプロセス量を検出するためのプロセ
ス量検出器を設け、該プロセス量検出器により検
出したプロセス量信号をマイクロコンピユータに
送つて目標とするプロセス量と比較して差を求め
、この差信号をソレノイド弁駆動回路に送つて前
記各ソレノイド弁をデイジタル制御することによ
り前記調節弁の開度を制御することを特徴とする
デイジタル制御プロセス量調節弁。 The control fluid supply pipe of the control valve is provided with a control fluid supply solenoid valve and a control fluid discharge solenoid valve, and a process amount detector is provided to detect the process amount to be controlled, and the process detected by the process amount detector is provided. A quantity signal is sent to a microcomputer and compared with a target process quantity to find a difference, and this difference signal is sent to a solenoid valve drive circuit to digitally control each of the solenoid valves, thereby controlling the opening degree of the control valve. A digitally controlled process amount control valve characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7161386U JPS62183203U (en) | 1986-05-13 | 1986-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7161386U JPS62183203U (en) | 1986-05-13 | 1986-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62183203U true JPS62183203U (en) | 1987-11-20 |
Family
ID=30914321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7161386U Pending JPS62183203U (en) | 1986-05-13 | 1986-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183203U (en) |
-
1986
- 1986-05-13 JP JP7161386U patent/JPS62183203U/ja active Pending