JPS5842640U - pressure measuring device - Google Patents
pressure measuring deviceInfo
- Publication number
- JPS5842640U JPS5842640U JP13659981U JP13659981U JPS5842640U JP S5842640 U JPS5842640 U JP S5842640U JP 13659981 U JP13659981 U JP 13659981U JP 13659981 U JP13659981 U JP 13659981U JP S5842640 U JPS5842640 U JP S5842640U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- mercury
- shaped tube
- measuring device
- pressure 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.)
- Pending
Links
Landscapes
- Measuring Fluid Pressure (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図は従来の水銀マノメータによる圧力測定を示す説
明図、第２図は渦電流型非接触変位計による水銀液面の
微小変位測定を示す説明図、第３図は第２図の測定にお
いて、水銀液面の変位と渦電流型非接触変位計の串力と
の関係を示す線図、第４図は本考案の１実施例を示す説
明図である。
１・・・Ｕ字管、２・・・水銀、３・・・圧力源、４，
４′・・・液面センサ、５・・・高周波コイル、６・・
・計測本体、７・・・記録計、δ・・・液面センサの中
心線、９・・・抵抗器、１０・・・高周波電源、ａ、
ｂ・・・水銀液面、Ｄ・・・液面センサ４，４′の直
径、ｘ、 ｙ・・・端子。Figure 1 is an explanatory diagram showing pressure measurement using a conventional mercury manometer, Figure 2 is an explanatory diagram showing minute displacement measurement of the mercury liquid level using an eddy current type non-contact displacement meter, and Figure 3 is an explanatory diagram showing the measurement of the mercury liquid level in Figure 2. , a diagram showing the relationship between the displacement of the mercury liquid level and the squeezing force of the eddy current type non-contact displacement meter, and FIG. 4 is an explanatory diagram showing one embodiment of the present invention. 1... U-shaped tube, 2... Mercury, 3... Pressure source, 4,
4'...Liquid level sensor, 5...High frequency coil, 6...
・Measurement body, 7... Recorder, δ... Center line of liquid level sensor, 9... Resistor, 10... High frequency power supply, a,
b...Mercury liquid level, D...Diameter of liquid level sensor 4, 4', x, y...Terminal.
Claims (1)
管と、該Ｕ字管に注入された水銀と、前記Ｕ字管の外側
でその両枝管における夫々の水銀液面近傍に配設された
過電流型非接触変位計の一対の液面センサと、該一対の
液面センサの夫々を含んで予めバランスして構成され、
前記センサのインピーダンス変化に対応した出力を生じ
るホイーストンブリツジとを具備したことを特徴とする
圧力測定装置。A U-shaped tube into which different fluid pressures are introduced from openings at both ends, mercury injected into the U-shaped tube, and mercury placed outside the U-shaped tube near the mercury liquid level in each of its two branch tubes. A pair of liquid level sensors of the overcurrent type non-contact displacement meter installed, and each of the pair of liquid level sensors are configured in advance in a balanced manner,
A pressure measuring device comprising: a Wheatstone bridge that produces an output corresponding to a change in impedance of the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13659981U JPS5842640U (en) | 1981-09-14 | 1981-09-14 | pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13659981U JPS5842640U (en) | 1981-09-14 | 1981-09-14 | pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5842640U true JPS5842640U (en) | 1983-03-22 |
Family
ID=29929920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13659981U Pending JPS5842640U (en) | 1981-09-14 | 1981-09-14 | pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5842640U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59204734A (en) * | 1983-05-10 | 1984-11-20 | Nippon Mining Co Ltd | Pressure gage |
| JPS614900A (en) * | 1984-06-18 | 1986-01-10 | Shoketsu Kinzoku Kogyo Co Ltd | Ejector device |
| JPH09502291A (en) * | 1993-07-22 | 1997-03-04 | レイド，ジョン，ニコラス | vending machine |
-
1981
- 1981-09-14 JP JP13659981U patent/JPS5842640U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59204734A (en) * | 1983-05-10 | 1984-11-20 | Nippon Mining Co Ltd | Pressure gage |
| JPS614900A (en) * | 1984-06-18 | 1986-01-10 | Shoketsu Kinzoku Kogyo Co Ltd | Ejector device |
| JPH0316519B2 (en) * | 1984-06-18 | 1991-03-05 | Smc Corp | |
| JPH09502291A (en) * | 1993-07-22 | 1997-03-04 | レイド，ジョン，ニコラス | vending machine |
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