JPS5931031U - Knock sensor - Google Patents
Knock sensorInfo
- Publication number
- JPS5931031U JPS5931031U JP12711482U JP12711482U JPS5931031U JP S5931031 U JPS5931031 U JP S5931031U JP 12711482 U JP12711482 U JP 12711482U JP 12711482 U JP12711482 U JP 12711482U JP S5931031 U JPS5931031 U JP S5931031U
- Authority
- JP
- Japan
- Prior art keywords
- effect transistor
- knock sensor
- field effect
- piezoelectric element
- housing
- 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
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のノックセンサの断面図、第２図は同ノッ
クセンサの周波数特性図、第３図は本考案の一実施例に
おけるノックセンサーおよびコントローラとの電気回路
図である。
１・・・・・・筐体、２・・・・・・ネジ、３・・・・
・・ネジ穴、４゜５・・・・・・電極、６．７・・・・
・・圧電素子、８・・・・・・付加質量、９・・・・・
・ネジ、１０・・・・・・リード線、１１・・・・・・
樹ＪＩＬ １２ ””ノックセンサ、１３・・・・・・
ＦＥＴ 。
１４・・・リード線、１５・・・・・・直流電源、１６
・・・・・・負荷抵抗、１７・・・コンデンサ、１８・
・・・・・コントローラ。FIG. 1 is a sectional view of a conventional knock sensor, FIG. 2 is a frequency characteristic diagram of the same knock sensor, and FIG. 3 is an electric circuit diagram of a knock sensor and a controller in an embodiment of the present invention. 1... Housing, 2... Screw, 3...
...Screw hole, 4゜5...Electrode, 6.7...
...Piezoelectric element, 8...Additional mass, 9...
・Screw, 10...Lead wire, 11...
Tree JIL 12 "" Knock sensor, 13...
FET. 14...Lead wire, 15...DC power supply, 16
...Load resistance, 17...Capacitor, 18.
·····controller.
Claims (1)
を収納し、上記電界効果型トランジスタのソースを接地
し、上記圧電素子で生じた電気信号を上記電界効果型ト
ランジスタのゲートに印加し、上記電界効果型トランジ
スタのドレインより出力を取り出すノックセンサ。A field effect transistor is housed in a housing housing a piezoelectric element, a source of the field effect transistor is grounded, an electric signal generated by the piezoelectric element is applied to a gate of the field effect transistor, and the electric field is A knock sensor that extracts output from the drain of an effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12711482U JPS5931031U (en) | 1982-08-23 | 1982-08-23 | Knock sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12711482U JPS5931031U (en) | 1982-08-23 | 1982-08-23 | Knock sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5931031U true JPS5931031U (en) | 1984-02-27 |
Family
ID=30288815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12711482U Pending JPS5931031U (en) | 1982-08-23 | 1982-08-23 | Knock sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5931031U (en) |
-
1982
- 1982-08-23 JP JP12711482U patent/JPS5931031U/en active Pending
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