JPS6142604U - Pump pressure fluctuation suppression device - Google Patents
Pump pressure fluctuation suppression deviceInfo
- Publication number
- JPS6142604U JPS6142604U JP12746484U JP12746484U JPS6142604U JP S6142604 U JPS6142604 U JP S6142604U JP 12746484 U JP12746484 U JP 12746484U JP 12746484 U JP12746484 U JP 12746484U JP S6142604 U JPS6142604 U JP S6142604U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- speed
- generating circuit
- function
- ramp
- 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 Non-Positive-Displacement Pumps (AREA)
- Feedback Control In General (AREA)
- Control Of Fluid Pressure (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図は本考案の一実施例の要部構成を示す系統図、第
２図および第３図は本考案の理解を容易にするため示し
た従来例のポンプ圧力制御装置の系統図およびそのポン
プ運転特性図である。
１，１・・・・・・ポンプ、３，３′・・・・・・駆動
回路、４・・・・・・圧力設定器、５・・・・・・圧力
検出器、６・・・・・・圧力調節器、８・・・・・・台
数制御回路、９． １ ０． ９’，１０′・・・
・・・スイッチ接点、１ １ ， １ １ ’−−−
−−−ランプ関数発生器、１２，１２’・・・・・・設
定器、ＳＰ， ＳＢ，ＳＢ’・・・・・・出力、ＳＡ，
ＳＡ’・・・・・・入力。FIG. 1 is a system diagram showing the main configuration of an embodiment of the present invention, and FIGS. 2 and 3 are system diagrams of a conventional pump pressure control device shown to facilitate understanding of the present invention. It is a pump operation characteristic diagram. 1, 1... Pump, 3, 3'... Drive circuit, 4... Pressure setting device, 5... Pressure detector, 6... . . . Pressure regulator, 8 . . . Number control circuit, 9. 1 0. 9', 10'...
...Switch contact, 1 1 , 1 1 '---
---Ramp function generator, 12, 12'... Setting device, SP, SB, SB'... Output, SA,
SA'...Input.
Claims (1)
該給圧力帰還信号値を所定の値に調節するものにおいて
、ポンプ速度の最低速度設定信号を発生する第１の設定
器と、ポンプ速度の中間速度設定信号を発生する第２の
設定器と、ポンプ始動時に圧力制御運転速度への関数特
性を得る第１のランプ関数発生回路と、ポンプ停止時に
最低速度への関数特性を得る第２のランプ関数発生回路
と、始動ポンプ速度指令として圧力制御運転速度指令を
前記第１のランプ関数発生回路を介して与え、かつ停止
ポンプ速度指令として前記ポンプ速度の最低速度設定信
号を第２のランプ関数発生回路を介して与える関数発生
回路切換回路とを設けるようにしたことを特徴とするポ
ンプ圧力変動抑制装置。A first setting device that generates a minimum speed setting signal for a pump speed; a second setting device that generates an intermediate speed setting signal; a first ramp function generation circuit that obtains a function characteristic to the pressure control operating speed when the pump is started; and a second ramp function generating circuit that obtains a function characteristic to the minimum speed when the pump is stopped. a ramp function generating circuit which provides a pressure control operating speed command as a starting pump speed command via the first ramp function generating circuit, and a second ramp which provides a minimum speed setting signal of the pump speed as a stop pump speed command. A pump pressure fluctuation suppressing device characterized in that it is provided with a function generating circuit switching circuit that provides the function through the function generating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12746484U JPS6142604U (en) | 1984-08-24 | 1984-08-24 | Pump pressure fluctuation suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12746484U JPS6142604U (en) | 1984-08-24 | 1984-08-24 | Pump pressure fluctuation suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6142604U true JPS6142604U (en) | 1986-03-19 |
Family
ID=30686108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12746484U Pending JPS6142604U (en) | 1984-08-24 | 1984-08-24 | Pump pressure fluctuation suppression device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6142604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017094464A (en) * | 2015-11-26 | 2017-06-01 | 株式会社モリタ環境テック | Cutting processing device and operating method of cutting processing device |
-
1984
- 1984-08-24 JP JP12746484U patent/JPS6142604U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017094464A (en) * | 2015-11-26 | 2017-06-01 | 株式会社モリタ環境テック | Cutting processing device and operating method of cutting processing device |
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