JPS5826631U - vibration sensor - Google Patents
vibration sensorInfo
- Publication number
- JPS5826631U JPS5826631U JP12042481U JP12042481U JPS5826631U JP S5826631 U JPS5826631 U JP S5826631U JP 12042481 U JP12042481 U JP 12042481U JP 12042481 U JP12042481 U JP 12042481U JP S5826631 U JPS5826631 U JP S5826631U
- Authority
- JP
- Japan
- Prior art keywords
- vibration sensor
- piezoelectric element
- vibration
- impedance
- detection system
- 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図は従来の振動センサの振動検出回路図を示す。第
2図は従来の他の振動センサの振動検出回路図を示す。
第3図はこの考案の一実施例の振動センサの振動検出回
路図を示す。
図において、1は圧電セラミック、2は出力端子、3は
信号線、4は入力端子、5〜7は抵抗を示す。FIG. 1 shows a vibration detection circuit diagram of a conventional vibration sensor. FIG. 2 shows a vibration detection circuit diagram of another conventional vibration sensor. FIG. 3 shows a vibration detection circuit diagram of a vibration sensor according to an embodiment of this invention. In the figure, 1 is a piezoelectric ceramic, 2 is an output terminal, 3 is a signal line, 4 is an input terminal, and 5 to 7 are resistors.
Claims (2)
圧電素子で前記振動を電気信号に変換する振動センサに
おいて、 前記圧電素子の電極間に並列にインピーダンス素子を接
続することによって前記インピーダー ンス素子の電圧
降下を利用して等測的に該圧電素子の直流インピーダン
スを低くしたことを特徴とする、振動センサ。(1) In a vibration sensor that is attached to a vibration detection system and converts the vibration of the vibration detection system into an electrical signal using a piezoelectric element, the impedance element is connected in parallel between the electrodes of the piezoelectric element. A vibration sensor characterized in that the direct current impedance of the piezoelectric element is reduced isometrically by utilizing the voltage drop of the piezoelectric element.
新案登録請求の範囲第(1)項記載の振動センサ。(2) The vibration sensor according to claim (1), wherein the impedance element includes a resistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12042481U JPS5826631U (en) | 1981-08-13 | 1981-08-13 | vibration sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12042481U JPS5826631U (en) | 1981-08-13 | 1981-08-13 | vibration sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5826631U true JPS5826631U (en) | 1983-02-21 |
Family
ID=29914426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12042481U Pending JPS5826631U (en) | 1981-08-13 | 1981-08-13 | vibration sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5826631U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011169783A (en) * | 2010-02-19 | 2011-09-01 | Honda Motor Co Ltd | Output circuit of charge change type sensor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5284781A (en) * | 1975-12-31 | 1977-07-14 | Fujitsu Ltd | Fault detector for sensing system using piezoelectric sensors |
-
1981
- 1981-08-13 JP JP12042481U patent/JPS5826631U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5284781A (en) * | 1975-12-31 | 1977-07-14 | Fujitsu Ltd | Fault detector for sensing system using piezoelectric sensors |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011169783A (en) * | 2010-02-19 | 2011-09-01 | Honda Motor Co Ltd | Output circuit of charge change type sensor |
US8508217B2 (en) | 2010-02-19 | 2013-08-13 | Honda Motor Co., Ltd. | Output circuit of charge mode sensor |
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