JPH036540U - - Google Patents
Info
- Publication number
- JPH036540U JPH036540U JP6605389U JP6605389U JPH036540U JP H036540 U JPH036540 U JP H036540U JP 6605389 U JP6605389 U JP 6605389U JP 6605389 U JP6605389 U JP 6605389U JP H036540 U JPH036540 U JP H036540U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- diaphragm
- sensing coil
- compensation
- casing
- 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
- 239000007788 liquid Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第1図は本考案の一実施例の縦断面図である。
第2図は第1図のA部拡大図である。第3図は第
1図に示された圧力センサを用いた圧力検出回路
の、センシングコイルの出力v1及び補償コイル
の出力v2の出力特性、並びにそれらの差動出力
特性を示すグラフである。第4図は本考案の他の
実施例の縦断面図である。第5図は従来の圧力セ
ンサの一例の縦断面図である。第6図は第1,5
図に示された圧力センサを用いた圧力検出回路の
一例のブロツク図である。第7,8図は圧力検出
回路の他の例のブロツクである。第9〜11図は
第6〜8図に示された圧力検出回路の、センシン
グコイルの出力v1、及び補償コイルの出力v2
の出力特性を示すグラフである。
1……ボデイ、1A……ダイアフラム、2……
アモルフアス、3A,3B……コア、4……ボビ
ン、5……センシングコイル、5A……励磁コイ
ル、5B,5C……補償コイル、7……ハウジン
グ、8……圧力室。
FIG. 1 is a longitudinal sectional view of an embodiment of the present invention.
FIG. 2 is an enlarged view of section A in FIG. FIG. 3 is a graph showing the output characteristics of the sensing coil output v1 and the compensation coil output v2, as well as their differential output characteristics, of the pressure detection circuit using the pressure sensor shown in FIG. FIG. 4 is a longitudinal sectional view of another embodiment of the present invention. FIG. 5 is a longitudinal sectional view of an example of a conventional pressure sensor. Figure 6 shows numbers 1 and 5.
FIG. 2 is a block diagram of an example of a pressure detection circuit using the pressure sensor shown in the figure. 7 and 8 are blocks of other examples of the pressure detection circuit. Figures 9 to 11 show the output v1 of the sensing coil and the output v2 of the compensation coil of the pressure detection circuit shown in Figures 6 to 8.
3 is a graph showing the output characteristics of . 1...Body, 1A...Diaphragm, 2...
Amorphous, 3A, 3B...Core, 4...Bobbin, 5...Sensing coil, 5A...Excitation coil, 5B, 5C...Compensation coil, 7...Housing, 8...Pressure chamber.
Claims (1)
コイルと、 前記センシングコイルの出力を温度補償する補
償コイルと、 前記ダイアフラムをその一壁面とする圧力室、
及び該圧力室に液体を導入する導入穴が形成され
たケーシングとを具備し、 前記センシングコイル及び補償コイルは、前記
ケーシング内に互いに隣接して配置されたことを
特徴とする圧力センサ。 (2) 前記センシングコイル及び補償コイルは、
それぞれ同一の電気的仕様及び形状を有している
ことを特徴とする請求項1記載の圧力センサ。[Claims for Utility Model Registration] (1) A diaphragm, a sensing coil for detecting distortion of the diaphragm, a compensation coil for temperature compensating the output of the sensing coil, and a pressure chamber having the diaphragm as one wall thereof;
and a casing in which an introduction hole for introducing liquid into the pressure chamber is formed, wherein the sensing coil and the compensation coil are arranged adjacent to each other in the casing. (2) The sensing coil and the compensation coil are:
The pressure sensor according to claim 1, wherein the pressure sensors have the same electrical specifications and shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6605389U JPH036540U (en) | 1989-06-06 | 1989-06-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6605389U JPH036540U (en) | 1989-06-06 | 1989-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH036540U true JPH036540U (en) | 1991-01-22 |
Family
ID=31598437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6605389U Pending JPH036540U (en) | 1989-06-06 | 1989-06-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH036540U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002107250A (en) * | 2000-09-29 | 2002-04-10 | Tadatoshi Goto | Pressure gauge |
JP2002218889A (en) * | 2001-01-29 | 2002-08-06 | Shimano Inc | Fishing rod case |
JP2008035878A (en) * | 2006-08-01 | 2008-02-21 | Kenji Kobayashi | Golf bag provided with golf club fastening belt |
-
1989
- 1989-06-06 JP JP6605389U patent/JPH036540U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002107250A (en) * | 2000-09-29 | 2002-04-10 | Tadatoshi Goto | Pressure gauge |
JP2002218889A (en) * | 2001-01-29 | 2002-08-06 | Shimano Inc | Fishing rod case |
JP4518679B2 (en) * | 2001-01-29 | 2010-08-04 | 株式会社シマノ | Fishing rod case |
JP2008035878A (en) * | 2006-08-01 | 2008-02-21 | Kenji Kobayashi | Golf bag provided with golf club fastening belt |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH036540U (en) | ||
JPH01163862U (en) | ||
JPS62228927A (en) | Pressure sensor | |
US5869762A (en) | Monolithic piezoelectric accelerometer | |
JPS63111638U (en) | ||
JPS60152949U (en) | ceramic pressure sensor | |
JPH0327376U (en) | ||
JPH0582540B2 (en) | ||
JPS6449926A (en) | Pressure sensor | |
JPH036542U (en) | ||
JPS63158308U (en) | ||
JPS6156547U (en) | ||
JPH036538U (en) | ||
JPH02150538U (en) | ||
JPS6156548U (en) | ||
JPS63168826U (en) | ||
JPH0310235U (en) | ||
JPS63111639U (en) | ||
CS264751B1 (en) | Pressure sensing element | |
JPH0485242U (en) | ||
JPS62211532A (en) | Pressure sensor | |
JPH0447640U (en) | ||
JPS60135644U (en) | pressure detection device | |
JPH036541U (en) | ||
JPH0388136U (en) |