JPH0227521U - - Google Patents
Info
- Publication number
- JPH0227521U JPH0227521U JP10140588U JP10140588U JPH0227521U JP H0227521 U JPH0227521 U JP H0227521U JP 10140588 U JP10140588 U JP 10140588U JP 10140588 U JP10140588 U JP 10140588U JP H0227521 U JPH0227521 U JP H0227521U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- pair
- time interval
- continuity
- application process
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１〜３図は本考案の一実施例としての水位検
出装置を示すもので、第１図はその模式的回路図
、第２図はそのフローチヤート、第３図はその印
加電圧波形図であり、第４〜６図は従来の水位検
出装置を示すもので、第４図はその原理図、第５
図はその回路図、第６図はその印加電圧波形図で
ある。
１，２……電極、３……ウオーターレベルセン
サ、４……コントロールユニツト、５……警報ラ
ンプ、６……負荷抵抗。
Figures 1 to 3 show a water level detection device as an embodiment of the present invention. Figure 1 is its schematic circuit diagram, Figure 2 is its flowchart, and Figure 3 is its applied voltage waveform diagram. Yes, Figures 4 to 6 show the conventional water level detection device, Figure 4 is its principle diagram, and Figure 5
The figure is its circuit diagram, and FIG. 6 is its applied voltage waveform diagram. 1, 2... Electrode, 3... Water level sensor, 4... Control unit, 5... Warning lamp, 6... Load resistance.
Claims (1)
ターレベルセンサと、上記一対の電極の一方と他
方とに交互に正電圧を印加する印加プロセスを常
時は第１の時間間隔で行なう電圧印加手段と、こ
の電圧印加手段による上記一対の電極への電圧印
加に伴い同一対の電極間の水中での導通を検知す
る導通検知手段と、上記導通検知手段からの検知
信号が途絶えた際に上記電圧印加手段に上記第１
の時間間隔よりも短い第２の時間間隔で上記一対
の電極への上記印加プロセスを行なわせる制御手
段と、上記第２の時間間隔での印加プロセスに際
しても上記導通検知手段からの検知信号が途絶え
たままの場合に警報を発生する警報手段とで構成
されたことを特徴とする、水位検出装置。 a water level sensor equipped with a pair of electrodes that can be electrically conductive underwater; a voltage application means that always performs an application process of alternately applying a positive voltage to one and the other of the pair of electrodes at a first time interval; Continuity detection means detects continuity between the same pair of electrodes in water as a voltage is applied to the pair of electrodes by the voltage application means, and the voltage application means detects continuity in water when the detection signal from the continuity detection means is interrupted. above 1st
a control means for performing the application process to the pair of electrodes at a second time interval shorter than the time interval; and a control means for causing the application process to be performed to the pair of electrodes at a second time interval, and a detection signal from the continuity detection means is interrupted even during the application process at the second time interval. 1. A water level detection device characterized by comprising: an alarm means for generating an alarm when the water level remains unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10140588U JPH0639307Y2 (en) | 1988-07-30 | 1988-07-30 | Water level detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10140588U JPH0639307Y2 (en) | 1988-07-30 | 1988-07-30 | Water level detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0227521U true JPH0227521U (en) | 1990-02-22 |
| JPH0639307Y2 JPH0639307Y2 (en) | 1994-10-12 |
Family
ID=31330367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10140588U Expired - Lifetime JPH0639307Y2 (en) | 1988-07-30 | 1988-07-30 | Water level detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639307Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115038941A (en) * | 2020-01-30 | 2022-09-09 | 纳诺凯姆株式会社 | A water level detection device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6089734B2 (en) * | 2013-01-31 | 2017-03-08 | 株式会社ノーリツ | Combustion device |
-
1988
- 1988-07-30 JP JP10140588U patent/JPH0639307Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115038941A (en) * | 2020-01-30 | 2022-09-09 | 纳诺凯姆株式会社 | A water level detection device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639307Y2 (en) | 1994-10-12 |
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