JPS58132307U - Water supply control device - Google Patents
Water supply control deviceInfo
- Publication number
- JPS58132307U JPS58132307U JP2970082U JP2970082U JPS58132307U JP S58132307 U JPS58132307 U JP S58132307U JP 2970082 U JP2970082 U JP 2970082U JP 2970082 U JP2970082 U JP 2970082U JP S58132307 U JPS58132307 U JP S58132307U
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- rotation speed
- speed command
- supply pump
- command signal
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の給水制御装置を示す概略図、第2図は給
水ポンプの運転条件を示す線図、第3図は本考案の給水
制御装置の一実施例を示す概略図、第4図乃至第6図は
給水ポンプの運転条件を示す線図である。
1・・・給水ポンプ、2・・・給水調節弁、4・・・差
圧発信器、6.14・・・調節計、8・・・差圧設定器
、10・・・圧力発信器、16・・・高値優先回路、2
0・・・関数発生器、22・・・流量発信器。Fig. 1 is a schematic diagram showing a conventional water supply control device, Fig. 2 is a diagram showing operating conditions of a water supply pump, Fig. 3 is a schematic diagram showing an embodiment of the water supply control device of the present invention, and Fig. 4 6 to 6 are diagrams showing operating conditions of the water supply pump. DESCRIPTION OF SYMBOLS 1... Water supply pump, 2... Water supply control valve, 4... Differential pressure transmitter, 6.14... Controller, 8... Differential pressure setting device, 10... Pressure transmitter, 16...High value priority circuit, 2
0...Function generator, 22...Flow rate transmitter.
Claims (1)
制御するために第1の回転数指令信号を発生する調節計
と、給水ポンプの出口圧力または回転数の検出値を示す
第1の検出信号を発生する発信器と、流量の検出値を示
す第2の検出信号を発生する発信器と、前記第2の検出
信号を入力とし、流量と給水ポンプの出口圧力または回
転数との関係における安全運転状態の限界を示す特性を
入力−出力特性として持つ関数発生器と、前記第1の検
出信号が前記関数発生器の出力に一致するように給水ポ
ンプを制御するために第2の回転数指令信号を発生する
調節計と、前記第1および第2の回転数指令信号を受け
、前記第1の回転数指令信号により給水ポンプの制御す
れば前記給水ポンプを安全運転状態の限界内で運転させ
ることになる場合には、前記第1の回転数指令信号を、
そうでない場合には前記第2の回転数指令信号を、給水
ポンプに与える優先回路とを備えた給水制御装置。A controller that generates a first rotational speed command signal to control the water supply pump so as to keep the differential pressure across the water supply control valve constant; and a first controller that indicates a detected value of the outlet pressure or rotational speed of the water supply pump. A transmitter that generates a detection signal, a transmitter that generates a second detection signal that indicates a detected value of flow rate, and a relationship between the flow rate and the outlet pressure or rotation speed of the water supply pump, using the second detection signal as input. a function generator having as an input-output characteristic a characteristic indicative of a limit of a safe operating state in the first rotation; A controller that generates a rotation speed command signal receives the first and second rotation speed command signals, and controls the water supply pump according to the first rotation speed command signal to keep the water pump within the limits of a safe operating state. When the operation is to be performed, the first rotation speed command signal is
If not, the water supply control device includes a priority circuit that provides the second rotation speed command signal to the water supply pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2970082U JPS58132307U (en) | 1982-03-03 | 1982-03-03 | Water supply control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2970082U JPS58132307U (en) | 1982-03-03 | 1982-03-03 | Water supply control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58132307U true JPS58132307U (en) | 1983-09-06 |
Family
ID=30041476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2970082U Pending JPS58132307U (en) | 1982-03-03 | 1982-03-03 | Water supply control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58132307U (en) |
-
1982
- 1982-03-03 JP JP2970082U patent/JPS58132307U/en active Pending
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