JPH0397640U - - Google Patents
Info
- Publication number
- JPH0397640U JPH0397640U JP729690U JP729690U JPH0397640U JP H0397640 U JPH0397640 U JP H0397640U JP 729690 U JP729690 U JP 729690U JP 729690 U JP729690 U JP 729690U JP H0397640 U JPH0397640 U JP H0397640U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- contact
- diaphragm
- pressure sensor
- magnetoelectric transducer
- 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
- 230000004907 flux Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図はこの考案に係わる圧力センサーを示す
断面説明図、第２図ａ，ｂは同センサーに用いら
れる円錘コイル形スプリングの断面説明図、第３
図ａ，ｂは同センサーに用いられる他の例である
板バネの断面説明図、第４図は従来の圧力センサ
ーを示す断面説明図、第５図ａ，ｂは一般的名コ
イルスプリングを示す断面説明図、第６図は磁束
密度と離間距離の関係を示すグラフである。
３……ダイアフラム、６……マグネツト、８…
…磁電変換素子、２０……円錐コイル形スプリン
グ、３０……板バネ。
Fig. 1 is an explanatory cross-sectional view showing a pressure sensor according to this invention, Figs. 2 a and b are explanatory cross-sectional views of a conical coil spring used in the sensor, and Fig. 3
Figures a and b are cross-sectional explanatory diagrams of a leaf spring, which is another example used in the same sensor. Figure 4 is a cross-sectional explanatory diagram showing a conventional pressure sensor. Figures a and b are illustrative of the general name coil spring. The cross-sectional explanatory diagram, FIG. 6, is a graph showing the relationship between magnetic flux density and separation distance. 3...Diaphragm, 6...Magnet, 8...
...Magnetoelectric conversion element, 20... Conical coil spring, 30... Leaf spring.
Claims (1)
と、ダイアフラムに一体に設けられたマグネツト
と、マグネツトに対向して固定配置された磁電変
換素子とを備え、ダイアフラムの変位に応じてマ
グネツトが磁電変換素子に離接することにより磁
束密度に応じた検出電圧を出力する圧力センサー
において、一端をマグネツト側に他端を磁電変換
素子側に当接し、かつ圧縮状態で偏平化するスプ
リングを介在させたことを特徴とする圧力センサ
ー。 It is equipped with a diaphragm that is mechanically displaced by pressure changes, a magnet that is integrally provided with the diaphragm, and a magnetoelectric transducer that is fixedly arranged opposite to the magnet. A pressure sensor that outputs a detected voltage according to magnetic flux density when in contact, is characterized in that one end is in contact with a magnet and the other end is in contact with a magnetoelectric transducer, and a spring that flattens in a compressed state is interposed. pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP729690U JPH0740191Y2 (en) | 1990-01-29 | 1990-01-29 | pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP729690U JPH0740191Y2 (en) | 1990-01-29 | 1990-01-29 | pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0397640U true JPH0397640U (en) | 1991-10-08 |
| JPH0740191Y2 JPH0740191Y2 (en) | 1995-09-13 |
Family
ID=31510958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP729690U Expired - Fee Related JPH0740191Y2 (en) | 1990-01-29 | 1990-01-29 | pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740191Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4734942B2 (en) * | 2005-02-01 | 2011-07-27 | 株式会社ジェイ・エム・エス | Pressure detector |
| WO2007110946A1 (en) * | 2006-03-29 | 2007-10-04 | Jms Co., Ltd. | Pressure detection device |
| JP5446595B2 (en) * | 2009-08-24 | 2014-03-19 | 株式会社ジェイ・エム・エス | Body fluid treatment device, pressure measuring device, body fluid treatment method |
-
1990
- 1990-01-29 JP JP729690U patent/JPH0740191Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740191Y2 (en) | 1995-09-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |