JPS58116626U - Self-diagnostic inductive measuring instrument - Google Patents
Self-diagnostic inductive measuring instrumentInfo
- Publication number
- JPS58116626U JPS58116626U JP1331582U JP1331582U JPS58116626U JP S58116626 U JPS58116626 U JP S58116626U JP 1331582 U JP1331582 U JP 1331582U JP 1331582 U JP1331582 U JP 1331582U JP S58116626 U JPS58116626 U JP S58116626U
- Authority
- JP
- Japan
- Prior art keywords
- self
- measuring instrument
- output signals
- difference calculation
- inductive measuring
- 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
- Measuring Volume Flow (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Details Of Flowmeters (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図は誘導式測定器の具体例を示す構成説明図、第２
図は本考案の一実施例を示す構成説明図である。
１・・・励磁電源、２・・・励磁コイル、３．４・・・
検出コイル、５．６・・・増幅器、１４．１５・・・切
換回路、１６・・・差演算回路。Figure 1 is a configuration explanatory diagram showing a specific example of an inductive measuring instrument;
The figure is a configuration explanatory diagram showing an embodiment of the present invention. 1... Excitation power supply, 2... Excitation coil, 3.4...
Detection coil, 5.6...Amplifier, 14.15...Switching circuit, 16...Difference calculation circuit.
Claims (1)
２の検出コイルと、各検出コイルの出力信号を相補的に
選択して送出する第１、第２の切換回路と、各切換回路
の出力信号をそれぞれ増幅する第１、第２の増幅器と、
これら増幅器の出力信号の差を演算する差演算口、路と
を設け、前記各切換回路の切換選択による差演算回路の
出力信号の極性変化の有無から前記各検出コイルおよび
各増幅器または差演算回路の故障を検出するようにした
ことを特徴とする自己診断形誘導式測定器。An excitation coil, first and second detection coils arranged on both sides of the excitation coil, first and second switching circuits that select and send output signals of each detection coil in a complementary manner, and each switching circuit. first and second amplifiers that respectively amplify the output signals of;
A difference calculation port and a path are provided for calculating the difference between the output signals of these amplifiers, and each of the detection coils and each amplifier or difference calculation circuit is determined from the presence or absence of a polarity change of the output signal of the difference calculation circuit by switching selection of each of the switching circuits. A self-diagnosis type inductive measuring instrument characterized by detecting a failure of the
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1331582U JPS58116626U (en) | 1982-02-02 | 1982-02-02 | Self-diagnostic inductive measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1331582U JPS58116626U (en) | 1982-02-02 | 1982-02-02 | Self-diagnostic inductive measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58116626U true JPS58116626U (en) | 1983-08-09 |
| JPH0125294Y2 JPH0125294Y2 (en) | 1989-07-28 |
Family
ID=30025836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1331582U Granted JPS58116626U (en) | 1982-02-02 | 1982-02-02 | Self-diagnostic inductive measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58116626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007078558A (en) * | 2005-09-15 | 2007-03-29 | Toshiba Corp | Moving distance measuring device and moving distance measuring method |
-
1982
- 1982-02-02 JP JP1331582U patent/JPS58116626U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007078558A (en) * | 2005-09-15 | 2007-03-29 | Toshiba Corp | Moving distance measuring device and moving distance measuring method |
| JP4542973B2 (en) * | 2005-09-15 | 2010-09-15 | 株式会社東芝 | Moving distance measuring device and moving distance measuring method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0125294Y2 (en) | 1989-07-28 |
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