JPS58132829U - Inductive level gauge - Google Patents
Inductive level gaugeInfo
- Publication number
- JPS58132829U JPS58132829U JP2900482U JP2900482U JPS58132829U JP S58132829 U JPS58132829 U JP S58132829U JP 2900482 U JP2900482 U JP 2900482U JP 2900482 U JP2900482 U JP 2900482U JP S58132829 U JPS58132829 U JP S58132829U
- Authority
- JP
- Japan
- Prior art keywords
- detection coil
- liquid level
- detection
- signal
- coil
- 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
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は従来例を示すもので第１図は従来
の誘導形液位計を示した概略構成図、第２図は出力特性
図、第３図および第４図は本考案の一実施例を示した図
で第３図は誘導形液位計の概略構成図、第４図は出力特
性図を示す。
２１・・・励磁回路、２２・・・励磁コイル、２３・・
・液位検出コイル、２４・・・温度補償用の上部検出コ
イル、２５・・・温度補償用の下部検出コイル、３１・
・・比較選択回路、３３・・・引算回路。Figures 1 and 2 show conventional examples. Figure 1 is a schematic configuration diagram showing a conventional induction type liquid level gauge, Figure 2 is an output characteristic diagram, and Figures 3 and 4 are of the present invention. FIG. 3 shows a schematic configuration diagram of an inductive level gauge, and FIG. 4 shows an output characteristic diagram. 21... Excitation circuit, 22... Excitation coil, 23...
-Liquid level detection coil, 24...Temperature compensation upper detection coil, 25...Temperature compensation lower detection coil, 31.
... Comparison selection circuit, 33... Subtraction circuit.
Claims (1)
出力する検出コイルを有する誘導形液位計において、こ
の検出コイルの下側にそれぞれ配置された温度補償用の
上部検出コイルおよび下部検出コイルと、この上部検出
コイルの信号により下部検出コイルの検出信号を選択的
に出力させる比較選択回路と、この比較選択回路によっ
て選択的に出力された信号と前記検出コイルの検出信号
とを引算して温度補償した液位検出信号を出力する引算
回路とを具備したことを特徴とする誘導形液位計。In an induction type liquid level meter that has a detection coil that outputs a liquid level detection signal corresponding to the liquid level by excitation of the excitation coil, an upper detection coil and a lower detection coil for temperature compensation are respectively placed below the detection coil. a comparison and selection circuit that selectively outputs the detection signal of the lower detection coil based on the signal of the upper detection coil; and a comparison and selection circuit that subtracts the signal selectively output by the comparison and selection circuit from the detection signal of the detection coil. and a subtraction circuit that outputs a temperature-compensated liquid level detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2900482U JPS58132829U (en) | 1982-03-02 | 1982-03-02 | Inductive level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2900482U JPS58132829U (en) | 1982-03-02 | 1982-03-02 | Inductive level gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58132829U true JPS58132829U (en) | 1983-09-07 |
| JPS6310498Y2 JPS6310498Y2 (en) | 1988-03-29 |
Family
ID=30040814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2900482U Granted JPS58132829U (en) | 1982-03-02 | 1982-03-02 | Inductive level gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132829U (en) |
-
1982
- 1982-03-02 JP JP2900482U patent/JPS58132829U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6310498Y2 (en) | 1988-03-29 |
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