JPH0485246U - - Google Patents
Info
- Publication number
- JPH0485246U JPH0485246U JP12838890U JP12838890U JPH0485246U JP H0485246 U JPH0485246 U JP H0485246U JP 12838890 U JP12838890 U JP 12838890U JP 12838890 U JP12838890 U JP 12838890U JP H0485246 U JPH0485246 U JP H0485246U
- Authority
- JP
- Japan
- Prior art keywords
- receiving rod
- pressure receiving
- pressure
- piezoelectric body
- diaphragm
- 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
- 238000006073 displacement reaction Methods 0.000 claims 2
- 239000011810 insulating material Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 2
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の実施例を示す燃焼圧センサの
縦断面図、第２図および第３図は先行技術を示し
、第２図はエンジン本体の要部を示す縦断面図、
第３図は先行技術による燃焼圧センサの縦断面図
である。
１３……ケーシング本体、１４……ダイヤフラ
ム、１８……圧電体、２０……コンタクトプレー
ト、２０Ａ……コンタクト部、３１……受圧ロツ
ド、３１Ｃ……凹状収容部。
FIG. 1 is a longitudinal sectional view of a combustion pressure sensor showing an embodiment of the present invention, FIGS. 2 and 3 show the prior art, and FIG. 2 is a longitudinal sectional view showing main parts of the engine body.
FIG. 3 is a longitudinal cross-sectional view of a combustion pressure sensor according to the prior art. 13...Casing body, 14...Diaphragm, 18...Piezoelectric body, 20...Contact plate, 20A...Contact portion, 31...Pressure receiving rod, 31C...Concave housing portion.
Claims (1)
に設けられ、該ケーシング本体の一端側に外部か
ら作用する圧力に応じて変位するダイヤフラムと
、先端側が該ダイヤフラムに当接するように前記
ケーシング本体内に設けられ、該ダイヤフラムの
変位に応じて軸方向に変位する受圧ロツドと、該
受圧ロツドの基端側に設けられ、該受圧ロツドを
介して伝達された前記ダイヤフラムの変位を前記
圧力に応じた電圧信号として出力する圧電体と、
前記ケーシング本体内に設けられ、コンタクト部
が該圧電体に接触し、該圧電体からの電圧信号を
外部に出力するコンタクトプレートとからなる圧
力センサにおいて、前記受圧ロツドは絶縁性材料
から形成し、該受圧ロツドの基端側には凹状収容
部を設け、該凹状収容部内に前記コンタクトプレ
ートのコンタクト部と圧電体を収容する構成とし
たことを特徴とする圧力センサ。 a casing body; a diaphragm provided at one end of the casing body and displaced in response to pressure acting on the one end of the casing body from the outside; , a pressure receiving rod that is displaced in the axial direction in accordance with the displacement of the diaphragm; and a pressure receiving rod provided on the proximal end side of the pressure receiving rod, the displacement of the diaphragm being transmitted via the pressure receiving rod as a voltage signal corresponding to the pressure. A piezoelectric body to output,
A pressure sensor comprising a contact plate provided in the casing body, a contact portion of which contacts the piezoelectric body, and outputs a voltage signal from the piezoelectric body to the outside, the pressure receiving rod being formed of an insulating material, A pressure sensor characterized in that a concave accommodating portion is provided on the base end side of the pressure receiving rod, and a contact portion of the contact plate and a piezoelectric body are accommodated in the concave accommodating portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12838890U JPH0485246U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12838890U JPH0485246U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485246U true JPH0485246U (en) | 1992-07-24 |
Family
ID=31875849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12838890U Pending JPH0485246U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485246U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60151574A (en) * | 1984-01-18 | 1985-08-09 | Iseki & Co Ltd | Passing detector for particle |
| JPS61172974A (en) * | 1985-01-25 | 1986-08-04 | 株式会社 大井製作所 | Striker in lock apparatus |
| JPS62191965A (en) * | 1986-02-19 | 1987-08-22 | Nec Corp | Renewing system for course table of learning system |
-
1990
- 1990-11-30 JP JP12838890U patent/JPH0485246U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60151574A (en) * | 1984-01-18 | 1985-08-09 | Iseki & Co Ltd | Passing detector for particle |
| JPS61172974A (en) * | 1985-01-25 | 1986-08-04 | 株式会社 大井製作所 | Striker in lock apparatus |
| JPS62191965A (en) * | 1986-02-19 | 1987-08-22 | Nec Corp | Renewing system for course table of learning system |