JPH0449679U - - Google Patents
Info
- Publication number
- JPH0449679U JPH0449679U JP9004590U JP9004590U JPH0449679U JP H0449679 U JPH0449679 U JP H0449679U JP 9004590 U JP9004590 U JP 9004590U JP 9004590 U JP9004590 U JP 9004590U JP H0449679 U JPH0449679 U JP H0449679U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pump
- pressure tank
- tank
- sensor
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
第１図は本考案の一実施例を示すポンプ性能試
験装置の説明図、第２図は従来例を示す側面図で
ある。
１……受水槽、３……ポンプ、４……吐出管、
５……主止水弁、６……主逆止弁、１０……管水
路、１１……圧力タンク、１２……圧力測定用セ
ンサ、１３，１４……電磁弁、１５……ポンプ吸
込圧力測定用センサ、１６……コントローラ。
FIG. 1 is an explanatory diagram of a pump performance testing device showing one embodiment of the present invention, and FIG. 2 is a side view showing a conventional example. 1...Water tank, 3...Pump, 4...Discharge pipe,
5... Main water stop valve, 6... Main check valve, 10... Piping waterway, 11... Pressure tank, 12... Pressure measurement sensor, 13, 14... Solenoid valve, 15... Pump suction pressure Measurement sensor, 16...controller.
Claims (1)
圧力測定用センサと、上記圧力タンクとポンプ吐
出側との管水路を開閉する電磁弁と、上記圧力タ
ンク内の水を排出するための電磁弁と、ポンプ吸
込圧力測定用センサと、上記両電磁弁の開閉動作
と圧力タンク内の圧力変化及びポンプ吸込圧力か
らポンプの流量−揚程特性を演算、表示、記憶す
る機能を有するコントローラとで構成したことを
特徴とするポンプの性能試験装置。 A pressure tank for piping pressure accumulation, a sensor for measuring pressure in the pressure tank, a solenoid valve for opening and closing the pipe channel between the pressure tank and the pump discharge side, and a solenoid valve for discharging water in the pressure tank. , a sensor for measuring pump suction pressure, and a controller that has the function of calculating, displaying, and storing the flow rate-head characteristics of the pump from the opening/closing operations of the above-mentioned solenoid valves, pressure changes in the pressure tank, and pump suction pressure. A pump performance testing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9004590U JPH0449679U (en) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9004590U JPH0449679U (en) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449679U true JPH0449679U (en) | 1992-04-27 |
Family
ID=31824463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9004590U Pending JPH0449679U (en) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012528973A (en) * | 2009-06-02 | 2012-11-15 | グルンドフォス マネージメント アー／エス | Method for determining characteristic values, in particular parameters, of an electric motor driven centrifugal pump device incorporated in equipment |
| JP2019049230A (en) * | 2017-09-11 | 2019-03-28 | 株式会社荏原製作所 | Water supply device and trial operation method of water supply device |
-
1990
- 1990-08-30 JP JP9004590U patent/JPH0449679U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012528973A (en) * | 2009-06-02 | 2012-11-15 | グルンドフォス マネージメント アー／エス | Method for determining characteristic values, in particular parameters, of an electric motor driven centrifugal pump device incorporated in equipment |
| US8949045B2 (en) | 2009-06-02 | 2015-02-03 | Grundfos Management A/S | Method for determining characteristic values, particularly of parameters, of a centrifugal pump aggregate driven by an electric motor and integrated in a system |
| JP2019049230A (en) * | 2017-09-11 | 2019-03-28 | 株式会社荏原製作所 | Water supply device and trial operation method of water supply device |
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