JPS6369703U - - Google Patents
Info
- Publication number
- JPS6369703U JPS6369703U JP16219386U JP16219386U JPS6369703U JP S6369703 U JPS6369703 U JP S6369703U JP 16219386 U JP16219386 U JP 16219386U JP 16219386 U JP16219386 U JP 16219386U JP S6369703 U JPS6369703 U JP S6369703U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- control oil
- oil filter
- hydraulic
- switching
- 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 6
Landscapes
- Control Of Turbines (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
インターロツク関係の説明図、第３図は操作シリ
ンダ取付状態図、第４図は連動切換弁の構造図、
第５図は電子油圧式ガバナの制御系統図、第６図
は従来の制御油フイルタ切換装置を示す説明図で
ある。
１…ボイラ、２…主蒸気止め弁、３…加減弁、
４…再熱蒸気止め弁、５…インターセプト弁、６
…速度検出器、７…制御盤、８…サーボ弁、９，
１０…油圧シリンダ、１１…前側軸受箱、１２…
入口切換弁、１３…出口切換弁、１４・Ａ，Ｂ…
フイルタ、１５・Ａ，Ｂ…インジケータ、１６・
Ａ，Ｂ…ベント弁、１７…手動充填弁、１８…切
換弁連動軸、１９・Ａ，Ｂ…差圧スイツチ、２０
・Ａ，Ｂ…電磁充填弁、２１・Ａ，Ｂ…圧力スイ
ツチ、２２…電磁空気切換弁、２３…空気シリン
ダ、２４Ａ，Ｂ…表示燈。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is an explanatory diagram of the interlock relationship, Fig. 3 is a diagram of the operating cylinder installed, Fig. 4 is a structural diagram of the interlocking switching valve,
FIG. 5 is a control system diagram of an electrohydraulic governor, and FIG. 6 is an explanatory diagram showing a conventional control oil filter switching device. 1...Boiler, 2...Main steam stop valve, 3...Adjustment valve,
4... Reheat steam stop valve, 5... Intercept valve, 6
...Speed detector, 7...Control panel, 8...Servo valve, 9,
10... Hydraulic cylinder, 11... Front bearing box, 12...
Inlet switching valve, 13... Outlet switching valve, 14・A, B...
Filter, 15・A, B...Indicator, 16・
A, B...Vent valve, 17...Manual filling valve, 18...Switching valve interlocking shaft, 19・A, B...Differential pressure switch, 20
・A, B...Electromagnetic filling valve, 21・A, B...Pressure switch, 22...Electromagnetic air switching valve, 23...Air cylinder, 24A, B...Indicator light.
Claims (1)
用し、電気信号を油圧力に変換する、サーボ弁と
油圧シリンダからなる、油圧作動部を有する、低
圧電子油圧式ガバナ蒸気弁制御機構において、サ
ーボ弁入口に設置された制御油フイルタの目詰り
を差圧スイツチでとらえ、電磁充填弁、圧力スイ
ツチ、空気電磁弁にて、空気シリンダを動作させ
切換弁を操作し、予備制御油フイルタへの切換え
を、自動的に行うことを特徴とする、制御油フイ
ルタ自動切換装置。 In a low-pressure electro-hydraulic governor steam valve control mechanism that uses control oil of 10 to 21 kg/cm 2 in the control oil system and has a hydraulic actuator consisting of a servo valve and a hydraulic cylinder that converts electrical signals into hydraulic pressure. , the clogging of the control oil filter installed at the inlet of the servo valve is detected by the differential pressure switch, and the solenoid filling valve, pressure switch, and air solenoid valve operate the air cylinder and the switching valve, and the oil is sent to the preliminary control oil filter. An automatic control oil filter switching device characterized by automatically switching the control oil filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16219386U JPS6369703U (en) | 1986-10-24 | 1986-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16219386U JPS6369703U (en) | 1986-10-24 | 1986-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6369703U true JPS6369703U (en) | 1988-05-11 |
Family
ID=31089224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16219386U Pending JPS6369703U (en) | 1986-10-24 | 1986-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6369703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11933183B2 (en) | 2020-06-15 | 2024-03-19 | Kabushiki Kaisha Toshiba | Steam turbine valve abnormality monitoring system, steam turbine valve drive device, steam turbine valve device, and steam turbine plant |
-
1986
- 1986-10-24 JP JP16219386U patent/JPS6369703U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11933183B2 (en) | 2020-06-15 | 2024-03-19 | Kabushiki Kaisha Toshiba | Steam turbine valve abnormality monitoring system, steam turbine valve drive device, steam turbine valve device, and steam turbine plant |
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