JPH0344708U - - Google Patents
Info
- Publication number
- JPH0344708U JPH0344708U JP10522589U JP10522589U JPH0344708U JP H0344708 U JPH0344708 U JP H0344708U JP 10522589 U JP10522589 U JP 10522589U JP 10522589 U JP10522589 U JP 10522589U JP H0344708 U JPH0344708 U JP H0344708U
- Authority
- JP
- Japan
- Prior art keywords
- resistance
- level switch
- electrical signal
- signal conversion
- conversion circuit
- 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 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Non-Electrical Variables (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図のレベルスイツチを示す部分ブロツ
ク線図、第３図は第１図の水槽の排水状況及びリ
レーの動作状況を示す線図である。第４図は公知
の排水ポンプ制御用レベルスイツチを示す縦断面
図、第５図は第４図の水槽の排水状況を示す線図
、第６図、第７図はそれぞれ第４図において低位
置検出電極を槽底に寄せすぎた場合、離しすぎた
場合を示す側面図である。
１……２電極センサー、２……レベルスイツチ
、３……抵抗／電気信号変換回路、４……遅延回
路、５……リレー、０２……水槽、０６……ポン
プ、ＧＬ……底盤、ＷＬ……水面。
Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a partial block diagram showing the level switch shown in Fig. 1, and Fig. 3 is the draining situation of the water tank and the operating situation of the relay shown in Fig. 1. FIG. Fig. 4 is a longitudinal cross-sectional view showing a known level switch for controlling a drainage pump, Fig. 5 is a line diagram showing the drainage status of the water tank in Fig. 4, and Figs. 6 and 7 are each at a lower position in Fig. 4. It is a side view which shows the case where a detection electrode is placed too close to the tank bottom or too far away. 1... 2-electrode sensor, 2... Level switch, 3... Resistance/electrical signal conversion circuit, 4... Delay circuit, 5... Relay, 02... Water tank, 06... Pump, GL... Bottom board, WL ...Water surface.
Claims (1)
を抵抗／電気信号変換回路を介してリレーに伝達
することにより排水ポンプを自動制御するポンプ
制御レベルスイツチにおいて、上記水槽内の比較
的低い位置に配設された２電極センサーと、上記
抵抗／電気信号変換回路と上記リレーとの間に挿
入された遅延回路とを具えたことを特徴とするポ
ンプ制御用レベルスイツチ。 In a pump control level switch that automatically controls a drainage pump by transmitting the resistance change of a level detection electrode arranged in a water tank to a relay via a resistance/electrical signal conversion circuit, 1. A pump control level switch comprising: a two-electrode sensor; and a delay circuit inserted between the resistance/electrical signal conversion circuit and the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10522589U JPH0344708U (en) | 1989-09-07 | 1989-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10522589U JPH0344708U (en) | 1989-09-07 | 1989-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344708U true JPH0344708U (en) | 1991-04-25 |
Family
ID=31653994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10522589U Pending JPH0344708U (en) | 1989-09-07 | 1989-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344708U (en) |
-
1989
- 1989-09-07 JP JP10522589U patent/JPH0344708U/ja active Pending