JPH01135323U - - Google Patents
Info
- Publication number
- JPH01135323U JPH01135323U JP2939988U JP2939988U JPH01135323U JP H01135323 U JPH01135323 U JP H01135323U JP 2939988 U JP2939988 U JP 2939988U JP 2939988 U JP2939988 U JP 2939988U JP H01135323 U JPH01135323 U JP H01135323U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- electrode
- relay
- relay unit
- electrode rod
- 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
- 239000007788 liquid Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は、この考案の一実施例を示す液面リレ
ーの接続図、第２図は、同実施例液面リレーを用
いて正常でない時の現象を説明するための図、第
３図は、各電極棒間の短絡及び各電極の脱落と、
上記現象の相関を示す図、第４図は、実施例液面
リレーの抵抗の両端電圧を受けて、異常の有無を
判別する論理回路例を示す回路図である。
１，２，３：リレーユニツト、４：タンク、Ｅ
１，Ｅ２，…，Ｅ６：電極棒、ｒ１，ｒ２，…，
ｒ６：抵抗。
Fig. 1 is a connection diagram of a liquid level relay showing one embodiment of this invention, Fig. 2 is a diagram for explaining the phenomenon when the liquid level relay of the same embodiment is not normal, and Fig. 3 is , short circuit between each electrode rod and falling off of each electrode,
FIG. 4, which is a diagram showing the correlation between the above phenomena, is a circuit diagram showing an example of a logic circuit that receives the voltage across the resistor of the liquid level relay of the embodiment and determines whether there is an abnormality. 1, 2, 3: Relay unit, 4: Tank, E
1 , E 2 ,..., E 6 : Electrode rod, r 1 , r 2 ,...,
r6 : resistance.
Claims (1)
れらの電極棒をリレーユニツト部に接続する一方
、電極棒を液位検出域内に設置し、各電極棒に流
れる電流の有無により、外部機器を制御する液面
リレーにおいて、 前記リレーユニツト部と電極棒間に抵抗を接続
し、この抵抗の両端電圧を導出して、電極棒に流
れる電流の検知信号とすることを特徴とする液面
リレー。[Claims for Utility Model Registration] A device is equipped with a plurality of electrode rods for detecting the liquid level, these electrode rods are connected to a relay unit part, and the electrode rods are installed within the liquid level detection area, and each electrode rod is connected to the relay unit. In a liquid level relay that controls external equipment depending on the presence or absence of a flowing current, a resistor is connected between the relay unit and the electrode rod, and the voltage across the resistor is derived and used as a detection signal for the current flowing through the electrode rod. A liquid level relay characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2939988U JPH062113Y2 (en) | 1988-03-04 | 1988-03-04 | Liquid level relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2939988U JPH062113Y2 (en) | 1988-03-04 | 1988-03-04 | Liquid level relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01135323U true JPH01135323U (en) | 1989-09-18 |
| JPH062113Y2 JPH062113Y2 (en) | 1994-01-19 |
Family
ID=31253578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2939988U Expired - Lifetime JPH062113Y2 (en) | 1988-03-04 | 1988-03-04 | Liquid level relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062113Y2 (en) |
-
1988
- 1988-03-04 JP JP2939988U patent/JPH062113Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062113Y2 (en) | 1994-01-19 |
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