JPS6259783U - - Google Patents
Info
- Publication number
- JPS6259783U JPS6259783U JP15202785U JP15202785U JPS6259783U JP S6259783 U JPS6259783 U JP S6259783U JP 15202785 U JP15202785 U JP 15202785U JP 15202785 U JP15202785 U JP 15202785U JP S6259783 U JPS6259783 U JP S6259783U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- speed
- pumps
- variable
- pump device
- 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 1
Description
第１図は本考案のポンプ装置の制御回路を例示
する概略結線図を、第２図は本考案のポンプ装置
の制御時の時間に対する圧力及び流量の変動特性
を、第３図はポンプにおける圧力の回転数に対す
る自乗逓減特性を、第４図は従来のポンプ装置の
制御時の時間に対する圧力及び流量の変動特性を
表わす。
１，２：開閉器、３：インバータ、４，５：駆
動用電動機、６，７：ポンプ、８：圧力検出計、
９：制御装置。
Fig. 1 is a schematic wiring diagram illustrating the control circuit of the pump device of the present invention, Fig. 2 shows the fluctuation characteristics of pressure and flow rate with respect to time during control of the pump device of the present invention, and Fig. 3 shows the pressure and flow rate in the pump. FIG. 4 shows the fluctuation characteristics of pressure and flow rate with respect to time during control of a conventional pump device. 1, 2: Switch, 3: Inverter, 4, 5: Drive motor, 6, 7: Pump, 8: Pressure detector,
9: Control device.
Claims (1)
し並列に運転される複数個の定速度ポンプとから
なり、定圧力可変負荷運転を行なうポンプ装置に
おいて、該ポンプ装置の負荷の減少に際し、前記
可変速度ポンプを減速してその回転数を零値より
適度に高い所定値に達した時点で前記定速度ポン
プのうちの少くとも１個を停止するとともに前記
可変速度ポンプを再び増速して所定回転数に復帰
させ、前記停止したポンプを除く残余のポンプで
新規の負荷に適応する如くにしてなることを特徴
とするポンプ装置。 In a pump device that is composed of at least one variable speed pump and a plurality of constant speed pumps that are operated in parallel with the variable speed pump and performs constant pressure variable load operation, when the load of the pump device is reduced, the variable When the speed pump is decelerated and its rotational speed reaches a predetermined value that is moderately higher than the zero value, at least one of the constant speed pumps is stopped, and the variable speed pump is again accelerated to a predetermined rotation speed. 2. A pump device according to claim 1, wherein the number of pumps is restored, and the remaining pumps excluding the stopped pump are adapted to a new load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15202785U JPS6259783U (en) | 1985-10-03 | 1985-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15202785U JPS6259783U (en) | 1985-10-03 | 1985-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6259783U true JPS6259783U (en) | 1987-04-14 |
Family
ID=31069628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15202785U Pending JPS6259783U (en) | 1985-10-03 | 1985-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6259783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02115585A (en) * | 1988-10-25 | 1990-04-27 | Daikin Ind Ltd | Capacity controller for compressor |
-
1985
- 1985-10-03 JP JP15202785U patent/JPS6259783U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02115585A (en) * | 1988-10-25 | 1990-04-27 | Daikin Ind Ltd | Capacity controller for compressor |
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