JPS5893603U - Water supply control device - Google Patents
Water supply control deviceInfo
- Publication number
- JPS5893603U JPS5893603U JP18813881U JP18813881U JPS5893603U JP S5893603 U JPS5893603 U JP S5893603U JP 18813881 U JP18813881 U JP 18813881U JP 18813881 U JP18813881 U JP 18813881U JP S5893603 U JPS5893603 U JP S5893603U
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- supply pump
- limit
- control device
- flow rate
- 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) [Summary] 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のブロック図、第２図は第
１図の給水系に於ける圧力−流量関係図、第３図は本考
案の一実施例に係る給水制御装置第４図は第３図の構成
の動作を説明するための圧力−流量関係図、第５図は本
考案の変形例を説明するための回転数−流量関係図であ
る。
１・・・・・・給水ポンプ、３・・・・・・給水調節計
、１１・・・・・・関数発生器、１３・・・・・・圧力
調節計、２２・・・・・・切換器、３０・・・・・・調
節弁。
、−１，第４図
ｗｏ μ＋−ｔｙｚ ン蛇量Fig. 1 is a block diagram of a conventional water supply control device, Fig. 2 is a pressure-flow relationship diagram in the water supply system of Fig. 1, and Fig. 3 is a diagram of a water supply control device according to an embodiment of the present invention. 3 is a pressure-flow relationship diagram for explaining the operation of the configuration shown in FIG. 3, and FIG. 5 is a rotation speed-flow relationship diagram for explaining a modification of the present invention. 1... Water supply pump, 3... Water supply controller, 11... Function generator, 13... Pressure controller, 22... Switch, 30... Control valve. , -1, Figure 4 wo μ+-tyz amount of vibration
Claims (1)
給水ポンプの回転数を制御する回転数制御回路と、給水
ポンプの給水流量に対する給水ポンプの出口圧力の限界
を示す関数を発生する関数発生器と、給水ポンプの出口
圧力または回転数に対応した信号と関数発生器の出力信
号を突き合せて圧力制御信号を発生する回路と、関数発
生器の出力信号から給水ポンプの出口圧力の限界を検出
して限界信号を発生する回路と、限界信号に基いて給水
ポンプの出口側に設けた調節弁を圧力制御信号に従って
操作させる切換回路とから成ることを特徴とする給水制
御装置。 ２ 関数発生器が給水流量に対する給水ポンプの回転数
の限界を示す関数に基く信号全発生することを特徴とす
る実用新案登録請求の範囲第１項記載の給水制御装置。[Scope of Claim for Utility Model Registration] ■ A rotation speed control circuit that detects the water supply flow rate and controls the rotation speed of the water supply pump so that it matches the water supply command, and the limit of the outlet pressure of the water supply pump with respect to the water supply flow rate of the water supply pump. A function generator that generates a function representing It is characterized by comprising a circuit that detects the limit of the outlet pressure of the water supply pump and generates a limit signal, and a switching circuit that operates a control valve provided on the outlet side of the water supply pump in accordance with the pressure control signal based on the limit signal. water supply control device. 2. The water supply control device according to claim 1, wherein the function generator generates all signals based on a function indicating the limit of the number of rotations of the water supply pump relative to the flow rate of the water supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18813881U JPS5893603U (en) | 1981-12-17 | 1981-12-17 | Water supply control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18813881U JPS5893603U (en) | 1981-12-17 | 1981-12-17 | Water supply control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5893603U true JPS5893603U (en) | 1983-06-24 |
Family
ID=29991453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18813881U Pending JPS5893603U (en) | 1981-12-17 | 1981-12-17 | Water supply control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5893603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137512A (en) * | 1992-10-27 | 1994-05-17 | Hitachi Ltd | Method and apparatus for obtaining forcible pressure of feed water pump of composite generator plant |
| JP2002372203A (en) * | 2001-06-18 | 2002-12-26 | Miura Co Ltd | Method for operating apparatus equipped with feed water pump |
-
1981
- 1981-12-17 JP JP18813881U patent/JPS5893603U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137512A (en) * | 1992-10-27 | 1994-05-17 | Hitachi Ltd | Method and apparatus for obtaining forcible pressure of feed water pump of composite generator plant |
| JP2002372203A (en) * | 2001-06-18 | 2002-12-26 | Miura Co Ltd | Method for operating apparatus equipped with feed water pump |
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