JPH0389990U - - Google Patents
Info
- Publication number
- JPH0389990U JPH0389990U JP15196589U JP15196589U JPH0389990U JP H0389990 U JPH0389990 U JP H0389990U JP 15196589 U JP15196589 U JP 15196589U JP 15196589 U JP15196589 U JP 15196589U JP H0389990 U JPH0389990 U JP H0389990U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- pressure
- water supply
- control device
- automatic water
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は自動給水装置のポンプ制御装置の回路
構成を示す図、第２図ａ，ｂはポンプ制御装置の
動作を説明するための図、第３図はポンプ制御装
置の制御盤の正面図、第４図は従来の自動給水装
置のポンプ制御装置に用いる圧力スイツチの外観
図である。
図中、１１……圧力センサ、１２……制御部、
１３，１４，１５……比較器、１６……演算増幅
器、１７，１８，１９，２０，２１……トランジ
スタ、２２……ＯＮ値設定用可変抵抗器、２３…
…ＯＦＦ値設定用可変抵抗器、２４，２５……発
光ダイオード。
Fig. 1 is a diagram showing the circuit configuration of the pump control device of the automatic water supply system, Fig. 2 a and b are diagrams for explaining the operation of the pump control device, and Fig. 3 is a front view of the control panel of the pump control device. , FIG. 4 is an external view of a pressure switch used in a pump control device of a conventional automatic water supply system. In the figure, 11...pressure sensor, 12...control unit,
13, 14, 15... Comparator, 16... Operational amplifier, 17, 18, 19, 20, 21... Transistor, 22... Variable resistor for ON value setting, 23...
...Variable resistor for setting OFF value, 24, 25...Light emitting diode.
Claims (1)
の吐き出し配管内圧力を検知し、前記ポンプの起
動停止を行なう自動給水装置のポンプ制御装置に
おいて、 前記ポンプの吐き出し側配管内圧力を検知する
手段として、前記配管内圧力に応じた出力値を出
力する圧力センサを用いることを特徴とする自動
給水装置のポンプ制御装置。 (2) 前記ポンプを起動する始動圧力及び停止す
る停止圧力をそれぞれ独立に設定する設定手段を
設けたことを特徴とする請求項(1)記載の自動給
水装置のポンプ制御装置。 (3) 前記圧力センサの出力値と前記設定手段で
設定された始動圧力値及び停止圧力値とを比較し
、その比較結果を表示手段に表示する制御手段を
設けたことを特徴とする請求項(2)記載の自動給
水装置のポンプ制御装置。 (4) 前記圧力設定値に不具合いがある場合、制
御を停止し又は／及び警報を発する保護手段を設
けたことを特徴とする請求項(1)記載の自動給水
装置のポンプ制御装置。[Scope of Claim for Utility Model Registration] (1) A pump control device for an automatic water supply device that is equipped with a pump, detects the pressure in the discharge pipe of the pump according to the amount of water used, and starts and stops the pump, A pump control device for an automatic water supply system, characterized in that a pressure sensor that outputs an output value according to the pressure inside the pipe is used as a means for detecting the pressure inside the pipe on the discharge side. (2) The pump control device for an automatic water supply device according to claim (1), further comprising setting means for independently setting a starting pressure for starting the pump and a stopping pressure for stopping the pump. (3) A claim further comprising a control means for comparing the output value of the pressure sensor with a starting pressure value and a stopping pressure value set by the setting means and displaying the comparison result on a display means. (2) A pump control device for the automatic water supply device described in (2). (4) The pump control device for an automatic water supply device according to claim (1), further comprising a protection means for stopping control and/or issuing an alarm if there is a problem with the pressure setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989151965U JP2545668Y2 (en) | 1989-12-28 | 1989-12-28 | Automatic water supply pump control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989151965U JP2545668Y2 (en) | 1989-12-28 | 1989-12-28 | Automatic water supply pump control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0389990U true JPH0389990U (en) | 1991-09-12 |
| JP2545668Y2 JP2545668Y2 (en) | 1997-08-25 |
Family
ID=31698246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989151965U Expired - Lifetime JP2545668Y2 (en) | 1989-12-28 | 1989-12-28 | Automatic water supply pump control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2545668Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7048363B2 (en) | 2000-01-21 | 2006-05-23 | Seiko Epson Corporation | Ink-jet recording apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56121890A (en) * | 1980-02-29 | 1981-09-24 | Hitachi Ltd | Liquid feeding device |
| JPS58179154A (en) * | 1982-04-13 | 1983-10-20 | Shinko Electric Co Ltd | Molten metal supplying device |
| JPS6087394U (en) * | 1983-11-18 | 1985-06-15 | 三洋電機株式会社 | automatic pump |
| JPS63113189A (en) * | 1986-10-31 | 1988-05-18 | Hitachi Ltd | Pumping device |
-
1989
- 1989-12-28 JP JP1989151965U patent/JP2545668Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56121890A (en) * | 1980-02-29 | 1981-09-24 | Hitachi Ltd | Liquid feeding device |
| JPS58179154A (en) * | 1982-04-13 | 1983-10-20 | Shinko Electric Co Ltd | Molten metal supplying device |
| JPS6087394U (en) * | 1983-11-18 | 1985-06-15 | 三洋電機株式会社 | automatic pump |
| JPS63113189A (en) * | 1986-10-31 | 1988-05-18 | Hitachi Ltd | Pumping device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7048363B2 (en) | 2000-01-21 | 2006-05-23 | Seiko Epson Corporation | Ink-jet recording apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2545668Y2 (en) | 1997-08-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |