JPS63173580U - - Google Patents
Info
- Publication number
- JPS63173580U JPS63173580U JP6679787U JP6679787U JPS63173580U JP S63173580 U JPS63173580 U JP S63173580U JP 6679787 U JP6679787 U JP 6679787U JP 6679787 U JP6679787 U JP 6679787U JP S63173580 U JPS63173580 U JP S63173580U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- control valve
- valve body
- measures
- pressure
- 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
- 238000012806 monitoring device Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本実施例の動作に供する説明図、第３図
は本実施例による調節弁の概略構造を示す断面図
、第４図は第３図のひずみセンサの設置状態を示
す平面図である。
２……弁本体、４……操作部、５……ポジシヨ
ナ、６……調節弁、３０……入力装置、３１……
制御演算装置、３２……空気圧出力装置、３３…
…弁リフト検出装置、３４……ひずみセンサ、３
５……圧力センサ、３６……比較装置、３７……
許容値設定器、３８……警報装置、３９……監視
装置。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is an explanatory diagram for explaining the operation of this embodiment, Fig. 3 is a sectional view showing the schematic structure of the control valve according to this embodiment, and Fig. 4 is a plan view showing the installed state of the strain sensor shown in Fig. 3. be. 2...Valve body, 4...Operation unit, 5...Positioner, 6...Control valve, 30...Input device, 31...
Control calculation device, 32...Pneumatic pressure output device, 33...
... Valve lift detection device, 34 ... Strain sensor, 3
5...Pressure sensor, 36...Comparison device, 37...
Tolerance value setter, 38...Alarm device, 39...Monitoring device.
Claims (1)
号の示す目標弁開度に一致させるように前記調節
弁を駆動制御するポジシヨナを備えた調節弁にお
いて、前記調節弁の弁本体の通路の摩耗しやすい
箇所の外面に設置されてその箇所の肉厚に応じた
ひずみを測定するひずみセンサと、前記弁本体の
二次側の圧力を測定する圧力センサと、前記圧力
センサおよびひずみセンサから得られる信号を入
力とし、それら測定値に基づき前記弁本体の摩耗
の状態を監視してその異常時に警報を発するとと
もに、前記調節弁の弁開度を固定する監視手段と
を具備することを特徴とする調節弁の監視装置。 In a control valve equipped with a positioner that detects a valve opening of the control valve and drives and controls the control valve so that the detected value matches a target valve opening indicated by an input signal, a passage in a valve body of the control valve. a strain sensor that is installed on the outer surface of a location that is prone to wear and measures strain according to the wall thickness of that location; a pressure sensor that measures pressure on the secondary side of the valve body; and a pressure sensor that measures the pressure on the secondary side of the valve body; It is characterized by comprising a monitoring means which inputs the obtained signals, monitors the state of wear of the valve body based on the measured values, issues an alarm in case of abnormality, and fixes the valve opening of the control valve. A monitoring device for control valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6679787U JPS63173580U (en) | 1987-05-06 | 1987-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6679787U JPS63173580U (en) | 1987-05-06 | 1987-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173580U true JPS63173580U (en) | 1988-11-10 |
Family
ID=30905126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6679787U Pending JPS63173580U (en) | 1987-05-06 | 1987-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012533034A (en) * | 2009-07-10 | 2012-12-20 | フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Control valve with diagnostic capability of pressure boundary integrity, method of manufacturing the control valve, and method of using the control valve |
-
1987
- 1987-05-06 JP JP6679787U patent/JPS63173580U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012533034A (en) * | 2009-07-10 | 2012-12-20 | フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Control valve with diagnostic capability of pressure boundary integrity, method of manufacturing the control valve, and method of using the control valve |