JPH0475934U - - Google Patents
Info
- Publication number
- JPH0475934U JPH0475934U JP11971790U JP11971790U JPH0475934U JP H0475934 U JPH0475934 U JP H0475934U JP 11971790 U JP11971790 U JP 11971790U JP 11971790 U JP11971790 U JP 11971790U JP H0475934 U JPH0475934 U JP H0475934U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- pressure
- receiving part
- pressure sensor
- piezoelectric body
- 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 1
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図ないし第３図は本考案の実施例を示し、
第１図は本実施例による燃焼圧センサが設けられ
たエンジン本体の要部縦断面図、第２図は燃焼圧
センサを拡大して示す縦断面図、第３図は圧電体
と補正用圧電体との電気接続を示す等価回路図で
ある。
１３……ケーシング、１６……受圧ロツド（受
圧部）、２０……圧電体、２４……補正用圧電体
。
1 to 3 show embodiments of the present invention,
Fig. 1 is a longitudinal cross-sectional view of the main part of the engine body in which the combustion pressure sensor according to the present embodiment is installed, Fig. 2 is a longitudinal cross-sectional view showing an enlarged view of the combustion pressure sensor, and Fig. 3 is a piezoelectric body and a correction piezoelectric material. FIG. 3 is an equivalent circuit diagram showing electrical connection with the body. 13...Casing, 16...Pressure receiving rod (pressure receiving part), 20...Piezoelectric body, 24...Piezoelectric body for correction.
Claims (1)
れ、該ケーシングの一端側に外部から作用する圧
力に応じて変位する受圧部と、該受圧部に所定の
初期荷重をもつて当接するように前記ケーシング
内に設けられ、該受圧部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からなる圧力
センサにおいて、前記ケーシング内には、前記受
圧部から離れて位置し、前記ケーシング内の温度
変化に応じた電圧信号を出力する他の圧電体を設
けたことを特徴とする圧力センサ。 a casing, a pressure receiving part provided at one end of the casing and displaced in response to pressure acting on the one end of the casing from the outside; A pressure sensor comprising a piezoelectric body provided in the casing and outputting the displacement of the pressure receiving part as a voltage signal according to the pressure, the pressure sensor being located in the casing at a distance from the pressure receiving part and detecting temperature changes in the casing. A pressure sensor characterized by being provided with another piezoelectric body that outputs a voltage signal according to the pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11971790U JPH0475934U (en) | 1990-11-15 | 1990-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11971790U JPH0475934U (en) | 1990-11-15 | 1990-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475934U true JPH0475934U (en) | 1992-07-02 |
Family
ID=31867658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11971790U Pending JPH0475934U (en) | 1990-11-15 | 1990-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475934U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62140038A (en) * | 1985-12-16 | 1987-06-23 | Nippon Denso Co Ltd | Pressure detector |
-
1990
- 1990-11-15 JP JP11971790U patent/JPH0475934U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62140038A (en) * | 1985-12-16 | 1987-06-23 | Nippon Denso Co Ltd | Pressure detector |
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