JPH01108471U - - Google Patents
Info
- Publication number
- JPH01108471U JPH01108471U JP379388U JP379388U JPH01108471U JP H01108471 U JPH01108471 U JP H01108471U JP 379388 U JP379388 U JP 379388U JP 379388 U JP379388 U JP 379388U JP H01108471 U JPH01108471 U JP H01108471U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- digital
- analog
- control valve
- converter
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Description
第１図は本考案に係わる調節弁の一実施例を示
す系統図、第２図は調節信号と弁開度との関係を
示す説明図である。
２……パルスデイスク、４……調節弁の弁開度
設定用モータ、５……デジタル／アナログ変換器
、６……デジタル関数演算器、７……調節計、８
……調節弁、９……アナログパルス接点変換器、
１０……弁開度検出器。
FIG. 1 is a system diagram showing one embodiment of the control valve according to the present invention, and FIG. 2 is an explanatory diagram showing the relationship between the control signal and the valve opening degree. 2...Pulse disk, 4...Motor for setting the valve opening of the control valve, 5...Digital/analog converter, 6...Digital function calculator, 7...Controller, 8
...Control valve, 9...Analog pulse contact converter,
10...Valve opening degree detector.
Claims (1)
る弁開度検出器と、同弁開度検出器からのフイー
ドバツク信号と調節計からのデジタル信号とによ
り調節弁の弁開度を演算するデジタル関数演算器
と、同デジタル関数演算器からのデジタル信号を
アナログ信号に変換するデジタル／アナログ変換
器と、同デジタル／アナログ変換器からのアナロ
グ信号を接点信号に変換するアナログパルス接点
変換器と、同アナログパルス接点変換器からの接
点信号により正逆転する調節弁の弁開度設定用モ
ータとを具えていることを特徴とした調節弁。 A valve opening detector that detects the opening of the control valve using a pulse disk, and a digital function calculation that calculates the opening of the control valve based on the feedback signal from the valve opening detector and the digital signal from the controller. a digital/analog converter that converts the digital signal from the digital function calculator into an analog signal; an analog pulse contact converter that converts the analog signal from the digital/analog converter into a contact signal; A control valve characterized by comprising a valve opening setting motor for the control valve, which rotates forward and reverse in response to a contact signal from a pulse contact converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP379388U JPH01108471U (en) | 1988-01-18 | 1988-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP379388U JPH01108471U (en) | 1988-01-18 | 1988-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108471U true JPH01108471U (en) | 1989-07-21 |
Family
ID=31205741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP379388U Pending JPH01108471U (en) | 1988-01-18 | 1988-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108471U (en) |
-
1988
- 1988-01-18 JP JP379388U patent/JPH01108471U/ja active Pending