JPS62130183U - - Google Patents
Info
- Publication number
- JPS62130183U JPS62130183U JP1869886U JP1869886U JPS62130183U JP S62130183 U JPS62130183 U JP S62130183U JP 1869886 U JP1869886 U JP 1869886U JP 1869886 U JP1869886 U JP 1869886U JP S62130183 U JPS62130183 U JP S62130183U
- Authority
- JP
- Japan
- Prior art keywords
- stroke
- fluid
- comparison means
- reciprocating pump
- control
- 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
- 239000012530 fluid Substances 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案による往復動ポンプの制御装置
の実施例を示す構成図、第２図は従来の往復動ポ
ンプの制御装置の構成図である。
２，４……供給管、３……往復動ポンプ、５…
…第一センサ、６……第二センサ、８……モータ
、９……ストローク変更手段、１０……比較手段
、１３……速度制御手段、１４……ストローク制
御手段、１５……制御範囲拡張手段。
FIG. 1 is a block diagram showing an embodiment of a reciprocating pump control device according to the present invention, and FIG. 2 is a block diagram of a conventional reciprocating pump control device. 2, 4... Supply pipe, 3... Reciprocating pump, 5...
...First sensor, 6...Second sensor, 8...Motor, 9...Stroke changing means, 10...Comparison means, 13...Speed control means, 14...Stroke control means, 15...Control range expansion means.
Claims (1)
体の流量を検出する第二センサとを、第一流体と
第二流体との比率を設定するための比率設定器を
有するとともに設定値に至らせるために第二流体
の供給指令を出す機能を有する比較手段に接続し
、第二流体を供給するための往復動ポンプのピス
トンに連結された駆動手段を速度制御手段を介し
て前記比較手段に接続する一方、前記往復動ポン
プのストロークを変えるストローク変更手段をス
トローク制御手段を介して前記比較手段に接続し
た往復動ポンプの制御装置において、 前記比較手段と前記ストローク制御手段との間
に、前記比較手段からの出力値が最大設定値より
も大きい場合はストローク増大信号を最小設定値
よりも小さい場合はストローク減少信号を夫々前
記ストローク制御手段に送る制御範囲拡張手段を
介在させたことを特徴とする往復動ポンプの制御
装置。[Claims for Utility Model Registration] A first sensor that detects the flow rate of the first fluid and a second sensor that detects the flow rate of the second fluid are arranged in a ratio for setting the ratio between the first fluid and the second fluid. The drive means connected to the piston of the reciprocating pump for supplying the second fluid is connected to a comparison means having a setting device and a function of issuing a supply command for the second fluid in order to reach the set value. A control device for a reciprocating pump, which is connected to the comparison means via a control means, and a stroke changing means for changing the stroke of the reciprocating pump is connected to the comparison means via a stroke control means, wherein the comparison means and the A control range extension is provided between the comparison means and the stroke control means to send a stroke increase signal to the stroke control means when the output value from the comparison means is larger than the maximum setting value, and a stroke reduction signal when it is smaller than the minimum setting value. A control device for a reciprocating pump, characterized in that a means is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1869886U JPS62130183U (en) | 1986-02-12 | 1986-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1869886U JPS62130183U (en) | 1986-02-12 | 1986-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62130183U true JPS62130183U (en) | 1987-08-17 |
Family
ID=30812606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1869886U Pending JPS62130183U (en) | 1986-02-12 | 1986-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62130183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136195A1 (en) * | 2007-05-02 | 2008-11-13 | Daikin Industries, Ltd. | Hydraulic unit, and construction machine having the unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928141U (en) * | 1982-08-16 | 1984-02-21 | 荒川 英司 | joint structure |
-
1986
- 1986-02-12 JP JP1869886U patent/JPS62130183U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928141U (en) * | 1982-08-16 | 1984-02-21 | 荒川 英司 | joint structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136195A1 (en) * | 2007-05-02 | 2008-11-13 | Daikin Industries, Ltd. | Hydraulic unit, and construction machine having the unit |
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