JPS6191128U - - Google Patents
Info
- Publication number
- JPS6191128U JPS6191128U JP17576784U JP17576784U JPS6191128U JP S6191128 U JPS6191128 U JP S6191128U JP 17576784 U JP17576784 U JP 17576784U JP 17576784 U JP17576784 U JP 17576784U JP S6191128 U JPS6191128 U JP S6191128U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- signal
- frequency
- conversion circuit
- current
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Description
第１図は本考案の第１実施例に係る液面位検出
装置の概略構成図、第２図及び第３図は本考案の
第２実施例及び第３実施例に係る液面位検出装置
を夫々示す概略構成図、第４図は従来の液面位検
出装置を示す概略構成図である。
１…タンク、２…液面位センサ、４，１０，１
２，１３，１４…変換回路（Ａ／Ｄ変換回路、発
振回路、Ｖ／Ｉ変換回路、Ｉ／Ｖ変換回路、Ｉ／
Ｆ変換回路）、５…計測回路（中央演算処理回路
）、６…表示回路。
FIG. 1 is a schematic diagram of a liquid level detection device according to a first embodiment of the present invention, and FIGS. 2 and 3 are liquid level detection devices according to a second and third embodiment of the present invention. FIG. 4 is a schematic diagram showing a conventional liquid level detection device. 1... Tank, 2... Liquid level sensor, 4, 10, 1
2, 13, 14... Conversion circuit (A/D conversion circuit, oscillation circuit, V/I conversion circuit, I/V conversion circuit, I/
F conversion circuit), 5... measurement circuit (central processing circuit), 6... display circuit.
Claims (1)
と、該液面位センサ２からの出力信号をその大き
さに対応する値の周波数信号又は電流信号に変換
する変換回路４，１０，１２，１３，１４と、該
変換回路４，１０，１２，１３，１４からの周波
数信号又は電流信号を入力しその周波数又は電流
値を計測する計測回路５とを備えてなることを特
徴とする液面位検出装置。 Liquid level sensor 2 that outputs a signal according to the liquid level
, a conversion circuit 4, 10, 12, 13, 14 that converts the output signal from the liquid level sensor 2 into a frequency signal or a current signal with a value corresponding to the magnitude thereof; and the conversion circuit 4, 10, 12. , 13, 14, and a measuring circuit 5 for inputting frequency signals or current signals and measuring the frequency or current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17576784U JPS6191128U (en) | 1984-11-21 | 1984-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17576784U JPS6191128U (en) | 1984-11-21 | 1984-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6191128U true JPS6191128U (en) | 1986-06-13 |
Family
ID=30733372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17576784U Pending JPS6191128U (en) | 1984-11-21 | 1984-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6191128U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857725B2 (en) * | 1972-06-30 | 1983-12-21 | カ−ル ツアイス スチフツング | Kakudai Gaussugata no Shashin Taibutsu Lens |
-
1984
- 1984-11-21 JP JP17576784U patent/JPS6191128U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857725B2 (en) * | 1972-06-30 | 1983-12-21 | カ−ル ツアイス スチフツング | Kakudai Gaussugata no Shashin Taibutsu Lens |
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