JPH0449281U - - Google Patents
Info
- Publication number
- JPH0449281U JPH0449281U JP9155390U JP9155390U JPH0449281U JP H0449281 U JPH0449281 U JP H0449281U JP 9155390 U JP9155390 U JP 9155390U JP 9155390 U JP9155390 U JP 9155390U JP H0449281 U JPH0449281 U JP H0449281U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- valve
- valve body
- servo
- hydraulic cylinder
- 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
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 description 1
Landscapes
- Control Of Turbines (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Description
第１図は本考案に係わる弁開閉機構用異常診断
装置の一実施例を示す縦断側面図、第２図は従来
の蒸気加減弁の弁開閉機構を示す縦断側面図であ
る。
１……弁体、２……弁ロツド、３……油圧シリ
ンダ、４……サーボ弁、５……サーボアンプ、６
……入力設定器、７……弁体開度検出器、９……
軸荷重検出器、１０ａ……油圧シリンダ３への供
給圧検出器、１０ｂ……弁体１の作用圧力検出器
、１２……計算機、１３ａ……入力設定器６から
サーボアンプ５への入力指令検出器、１３ｂ……
軸荷重検出器７からサーボアンプ５への弁体開度
信号検出器、１４……サーボアンプ５からのサー
ボ弁４へのコイル電流検出器。
FIG. 1 is a longitudinal side view showing an embodiment of an abnormality diagnosis device for a valve opening/closing mechanism according to the present invention, and FIG. 2 is a longitudinal side view showing a conventional valve opening/closing mechanism of a steam control valve. 1... Valve body, 2... Valve rod, 3... Hydraulic cylinder, 4... Servo valve, 5... Servo amplifier, 6
... Input setting device, 7 ... Valve body opening degree detector, 9 ...
Axial load detector, 10a... Supply pressure detector to the hydraulic cylinder 3, 10b... Working pressure detector of the valve body 1, 12... Calculator, 13a... Input command from the input setting device 6 to the servo amplifier 5 Detector, 13b...
A valve body opening signal detector from the shaft load detector 7 to the servo amplifier 5, 14... a coil current detector from the servo amplifier 5 to the servo valve 4.
Claims (1)
介装した軸荷重検出器と、上記弁体に取付けた弁
体開度検出器と、上記油圧シリンダの油圧回路に
介装したサーボ弁と、同サーボ弁にサーボアンプ
を介して接続した入力設定器と、上記入力設定器
から上記サーボアンプへの入力指令検出器と、上
記軸荷重検出器から上記サーボアンプへの弁体開
度信号検出器と、上記サーボアンプから上記サー
ボ弁へのコイル電流検出器と、上記油圧シリンダ
への供給圧検出器と、上記弁体の作用圧力検出器
と、これら検出器からの検出信号を基にアルゴリ
ズムに従つて故障個所の特定を行う計算機とを具
えていることを特徴とした弁開閉機構用異常診断
装置。 A shaft load detector installed between the piston rod and the valve body of the hydraulic cylinder, a valve body opening degree detector attached to the valve body, a servo valve installed in the hydraulic circuit of the hydraulic cylinder, and a servo valve installed in the hydraulic circuit of the hydraulic cylinder. an input setting device connected to the valve via a servo amplifier, an input command detector from the input setting device to the servo amplifier, a valve body opening degree signal detector from the shaft load detector to the servo amplifier; A coil current detector from the servo amplifier to the servo valve, a supply pressure detector to the hydraulic cylinder, a working pressure detector for the valve body, and an algorithm based on the detection signals from these detectors. An abnormality diagnostic device for a valve opening/closing mechanism, characterized by comprising a computer for identifying a failure location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9155390U JPH0449281U (en) | 1990-09-03 | 1990-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9155390U JPH0449281U (en) | 1990-09-03 | 1990-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449281U true JPH0449281U (en) | 1992-04-27 |
Family
ID=31827298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9155390U Pending JPH0449281U (en) | 1990-09-03 | 1990-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019004071A1 (en) * | 2017-06-30 | 2019-01-03 | 株式会社フジキン | Fluid-driven valve |
-
1990
- 1990-09-03 JP JP9155390U patent/JPH0449281U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019004071A1 (en) * | 2017-06-30 | 2019-01-03 | 株式会社フジキン | Fluid-driven valve |
| JPWO2019004071A1 (en) * | 2017-06-30 | 2020-05-07 | 株式会社フジキン | Fluid driven valve |
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