JPS6127U - Liquid level measurement circuit - Google Patents
Liquid level measurement circuitInfo
- Publication number
- JPS6127U JPS6127U JP8247484U JP8247484U JPS6127U JP S6127 U JPS6127 U JP S6127U JP 8247484 U JP8247484 U JP 8247484U JP 8247484 U JP8247484 U JP 8247484U JP S6127 U JPS6127 U JP S6127U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- liquid level
- measurement circuit
- level measurement
- output signal
- 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
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図はこの考案の第１の実施例を示す構成図、第２図
はこの考案の第１の実施例の電気的接続を示す回路図、
第３図はこの考案の第２の実施例を示す構成図、第４図
は従来の液面位測定回路の一例を示す構成図である。
１・・・・・・発振回路、２・・・・・・共振回路（１
次コイル）、３・・・・・・２次コイル、４・・・・・
・積分回路、５・・・・・・支柱、５′・・・・・・支
持棒。FIG. 1 is a configuration diagram showing a first embodiment of this invention, FIG. 2 is a circuit diagram showing electrical connections of the first embodiment of this invention,
FIG. 3 is a block diagram showing a second embodiment of this invention, and FIG. 4 is a block diagram showing an example of a conventional liquid level measuring circuit. 1...Oscillation circuit, 2...Resonance circuit (1
Secondary coil), 3... Secondary coil, 4...
・Integrator circuit, 5... Support column, 5'... Support rod.
Claims (1)
位変化に応じて線間静電容量が変化するように巻回され
た１次コイルを含む共振回路２と、該共振回路２にその
共振周波数と同一の周波数信号を出力する発振回路１と
、前記１次コイルに対してトランス結合された２次コイ
ル３と、該２次コイル３に誘起される誘起電圧を平滑化
する積分回路４とを備え、該積分回路４の出力信号を測
定出力としてなることを特徴とする液面位測定回路。A resonant circuit 2 including a primary coil wound around support members 5 and 5' vertically disposed in the direction of liquid level change so that line capacitance changes in accordance with change in liquid level; An oscillation circuit 1 that outputs a frequency signal that is the same as the resonance frequency to a resonance circuit 2, a secondary coil 3 that is transformer-coupled to the primary coil, and smooths the induced voltage induced in the secondary coil 3. 1. A liquid level measuring circuit comprising: an integrating circuit 4 which converts the output signal into an integrated circuit; and an output signal of the integrating circuit 4 serves as a measurement output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8247484U JPS6127U (en) | 1984-06-05 | 1984-06-05 | Liquid level measurement circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8247484U JPS6127U (en) | 1984-06-05 | 1984-06-05 | Liquid level measurement circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6127U true JPS6127U (en) | 1986-01-06 |
Family
ID=30630220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8247484U Pending JPS6127U (en) | 1984-06-05 | 1984-06-05 | Liquid level measurement circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340653A (en) * | 2001-05-15 | 2002-11-27 | Kyoto Platec:Kk | Capacitance type liquid-level sensor |
-
1984
- 1984-06-05 JP JP8247484U patent/JPS6127U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340653A (en) * | 2001-05-15 | 2002-11-27 | Kyoto Platec:Kk | Capacitance type liquid-level sensor |
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