JPH0241129U - - Google Patents
Info
- Publication number
- JPH0241129U JPH0241129U JP12006388U JP12006388U JPH0241129U JP H0241129 U JPH0241129 U JP H0241129U JP 12006388 U JP12006388 U JP 12006388U JP 12006388 U JP12006388 U JP 12006388U JP H0241129 U JPH0241129 U JP H0241129U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- cylindrical
- synthetic resin
- electrodes
- resin case
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
添付図面は本考案の一実施例を示し、第１図は
縦断側面図、第２図は圧電素子８の斜視図、第３
図は本考案に係る周波数―出力電圧特性を示すグ
ラフ、第４図は従来構成の同グラフである。
１……合成樹脂製ケース、８……圧電素子、８
ａ，８ｂ……電極、１４，１４……接続端子杆、
１６……筒壁、１７……コネクター部、α……切
欠部。
The accompanying drawings show one embodiment of the present invention, in which FIG. 1 is a longitudinal sectional side view, FIG. 2 is a perspective view of the piezoelectric element 8, and FIG. 3 is a perspective view of the piezoelectric element 8.
The figure is a graph showing the frequency-output voltage characteristics according to the present invention, and FIG. 4 is the same graph for the conventional configuration. 1...Synthetic resin case, 8...Piezoelectric element, 8
a, 8b... Electrode, 14, 14... Connection terminal rod,
16... Cylinder wall, 17... Connector part, α... Notch part.
Claims (1)
ース内に、表裏面に電極を備えた環状圧電素子を
挾圧状に保持すると共に、該合成樹脂製ケースの
側面に、前記圧電素子の表裏面電極と電気的に接
続される接続端子杆を筒壁で囲繞して構成される
筒状コネクタ一部を突設してなるものにおいて、
前記環状圧電素子のコネクタ一部側に切欠部を形
成したことを特徴とする非共振型ノツクセンサ。 An annular piezoelectric element having electrodes on the front and back surfaces is held in a pinched manner in a cylindrical synthetic resin case that is attached to an internal combustion engine, and electrodes on the front and back surfaces of the piezoelectric element are mounted on the side surface of the synthetic resin case. A cylindrical connector consisting of a cylindrical wall surrounding a connecting terminal rod to be electrically connected is provided with a part protruding from the cylindrical connector,
A non-resonant knock sensor, characterized in that a notch is formed on a part of the connector side of the annular piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12006388U JPH0241129U (en) | 1988-09-12 | 1988-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12006388U JPH0241129U (en) | 1988-09-12 | 1988-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241129U true JPH0241129U (en) | 1990-03-22 |
Family
ID=31365835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12006388U Pending JPH0241129U (en) | 1988-09-12 | 1988-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04127527U (en) * | 1991-05-16 | 1992-11-20 | 日本電子機器株式会社 | Internal combustion engine knock sensor |
-
1988
- 1988-09-12 JP JP12006388U patent/JPH0241129U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04127527U (en) * | 1991-05-16 | 1992-11-20 | 日本電子機器株式会社 | Internal combustion engine knock sensor |