JPH0469746U - - Google Patents
Info
- Publication number
- JPH0469746U JPH0469746U JP11280790U JP11280790U JPH0469746U JP H0469746 U JPH0469746 U JP H0469746U JP 11280790 U JP11280790 U JP 11280790U JP 11280790 U JP11280790 U JP 11280790U JP H0469746 U JPH0469746 U JP H0469746U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- communication hole
- response
- hole
- pressure sensor
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図Ａは一実施例としての圧力センサの分解
斜視図、同図Ｂは圧力検出素子の等価回路を示す
回路図、第２図は第１図Ａに示す圧力センサのＡ
Ａ断面図、第３図は従来の圧力センサの縦断面図
である。
１１ｄ……検出用孔、１２……圧力検出素子、
１８……通気性防水シート、１９……ダイヤフラ
ム、２０……連通孔。
FIG. 1A is an exploded perspective view of a pressure sensor as an example, FIG. 1B is a circuit diagram showing an equivalent circuit of a pressure detection element, and FIG.
A sectional view and FIG. 3 are longitudinal sectional views of a conventional pressure sensor. 11d...detection hole, 12...pressure detection element,
18... Breathable waterproof sheet, 19... Diaphragm, 20... Communication hole.
Claims (1)
とする気体を導く検出用孔が形成された中空容器
と、前記検出用孔を閉塞するように取り付けられ
て圧力変動に応じて膨縮するダイヤフラムと、こ
のダイヤフラムに貼着され、この膨縮に対応して
抵抗値が変化する圧力検出素子とを有する圧力セ
ンサにおいて、前記連通孔に、気体の入出を許し
、且つ、液体の入出を阻止する通気性防水シート
を設けたことを特徴とする圧力センサ。 a hollow container having a communication hole open to the atmosphere and a detection hole for guiding the gas whose pressure is to be detected; a diaphragm installed to close the detection hole and expanding and contracting in response to pressure fluctuations; , a pressure sensor having a pressure detection element that is attached to the diaphragm and whose resistance value changes in response to expansion and contraction, and a vent that allows gas to enter and exit the communication hole and prevents liquid from entering and exiting the communication hole; A pressure sensor characterized by being provided with a waterproof sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11280790U JPH0469746U (en) | 1990-10-26 | 1990-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11280790U JPH0469746U (en) | 1990-10-26 | 1990-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469746U true JPH0469746U (en) | 1992-06-19 |
Family
ID=31860327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11280790U Pending JPH0469746U (en) | 1990-10-26 | 1990-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013122141A1 (en) * | 2012-02-16 | 2013-08-22 | 北陸電気工業株式会社 | Pressure sensor module |
-
1990
- 1990-10-26 JP JP11280790U patent/JPH0469746U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013122141A1 (en) * | 2012-02-16 | 2013-08-22 | 北陸電気工業株式会社 | Pressure sensor module |
| CN104114990A (en) * | 2012-02-16 | 2014-10-22 | 北陆电气工业株式会社 | Pressure sensor module |
| KR20140127823A (en) * | 2012-02-16 | 2014-11-04 | 호쿠리쿠 덴키 고교 가부시키가이샤 | Pressure sensor module |
| JPWO2013122141A1 (en) * | 2012-02-16 | 2015-05-18 | 北陸電気工業株式会社 | Pressure sensor module |