JPS63115734U - - Google Patents
Info
- Publication number
- JPS63115734U JPS63115734U JP698587U JP698587U JPS63115734U JP S63115734 U JPS63115734 U JP S63115734U JP 698587 U JP698587 U JP 698587U JP 698587 U JP698587 U JP 698587U JP S63115734 U JPS63115734 U JP S63115734U
- Authority
- JP
- Japan
- Prior art keywords
- core
- peripheral wall
- magnetic path
- path forming
- plate
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図、第２図は本考案の一実施例を示すもの
であり、第１図は圧力センサの縦断面図、第２図
はダイヤフラムの底面図、第３図はダイヤフラム
の異なる態様を示す底面図、第４図はダイヤフラ
ムのさらに異なる態様を示す断面図である。
１０……コア、１１……周壁部、１２……柱部
、１３……底部、２０，２０′，２０″……ダイ
ヤフラム、２１，２１ａ，２１ｂ……受圧板、２
２，２２′……磁路構成板、２２ｂ……放射配置
部、３０……検出コイル。
Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being a longitudinal sectional view of the pressure sensor, Figure 2 being a bottom view of the diaphragm, and Figure 3 showing different aspects of the diaphragm. The bottom view and FIG. 4 are cross-sectional views showing still another aspect of the diaphragm. DESCRIPTION OF SYMBOLS 10... Core, 11... Peripheral wall part, 12... Column part, 13... Bottom part, 20, 20', 20''... Diaphragm, 21, 21a, 21b... Pressure receiving plate, 2
2, 22'... Magnetic path configuration plate, 22b... Radiation arrangement section, 30... Detection coil.
Claims (1)
れた柱部と、これら周壁部と柱部を連ねる底部と
を有する断面略Ｅ字形のコアと、 (ロ) 上記コアの開口端側に配されたダイヤフラ
ムと、 (ハ) 上記コアの柱部の周囲に配された検出コイ
ルとを備えた圧力センサにおいて、 上記ダイヤフラムが、圧力により変形する受圧
板と、この受圧板に重ね合うようにして取り付け
られた磁路構成板とを有し、磁路構成板は、アモ
ルフアス磁性体により形成されるとともに、上記
コアの周壁部と柱部との間に放射状に配された複
数の放射配置部を有し、これら放射配置部の中央
側端部は互いに離れており、上記受圧板は磁路構
成板より透磁率の低い材料によつて形成されてい
ることを特徴とする圧力センサ。[Claims for Utility Model Registration] (a) A core having a substantially E-shaped cross section, including a cylindrical peripheral wall, a column disposed inside the peripheral wall, and a bottom connecting the peripheral wall and the column. , (b) a diaphragm disposed on the open end side of the core, and (c) a detection coil disposed around the pillar portion of the core, in which the diaphragm deforms due to pressure. plate, and a magnetic path forming plate attached to overlap the pressure receiving plate, the magnetic path forming plate being formed of an amorphous magnetic material, and having a magnetic path formed between the peripheral wall portion of the core and the pillar portion. It has a plurality of radiating arrangement parts arranged radially, the center side ends of these radiating arrangement parts are separated from each other, and the pressure receiving plate is formed of a material having lower magnetic permeability than the magnetic path forming plate. A pressure sensor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP698587U JPS63115734U (en) | 1987-01-22 | 1987-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP698587U JPS63115734U (en) | 1987-01-22 | 1987-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63115734U true JPS63115734U (en) | 1988-07-26 |
Family
ID=30790017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP698587U Pending JPS63115734U (en) | 1987-01-22 | 1987-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63115734U (en) |
-
1987
- 1987-01-22 JP JP698587U patent/JPS63115734U/ja active Pending