JPH041456U - - Google Patents
Info
- Publication number
- JPH041456U JPH041456U JP4061290U JP4061290U JPH041456U JP H041456 U JPH041456 U JP H041456U JP 4061290 U JP4061290 U JP 4061290U JP 4061290 U JP4061290 U JP 4061290U JP H041456 U JPH041456 U JP H041456U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- acceleration
- piezoelectric body
- weight
- piezoelectric
- 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
- 230000001133 acceleration Effects 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pressure Sensors (AREA)
Description
第１図は本考案の圧電型加速度センサの一実施
例の構成を示す断面図、第２図は第１図の圧電素
子の積層対の構造を示す斜視図、第３図は第２図
の装置の重り固定の具体的な構造を示す部分断面
図、第４図は従来の圧電型加速度センサの構造を
示す断面図である。
１０……本考案の圧電型加速度センサ、１１…
…ケース、１２……台座、１３，１４……絶縁体
、１５……重り、１６，１７……リード線、２０
……圧電素子の積層体、２１，２２……圧電素子
、２３，２４，２５……加速度検出用電極、２６
，２７，２８……補助電極。
FIG. 1 is a sectional view showing the structure of an embodiment of the piezoelectric acceleration sensor of the present invention, FIG. 2 is a perspective view showing the structure of a laminated pair of piezoelectric elements shown in FIG. 1, and FIG. FIG. 4 is a partial cross-sectional view showing a specific structure for fixing the weight of the device, and FIG. 4 is a cross-sectional view showing the structure of a conventional piezoelectric acceleration sensor. 10...Piezoelectric acceleration sensor of the present invention, 11...
... Case, 12 ... Pedestal, 13, 14 ... Insulator, 15 ... Weight, 16, 17 ... Lead wire, 20
...Piezoelectric element laminate, 21, 22...Piezoelectric element, 23, 24, 25...Acceleration detection electrode, 26
, 27, 28...auxiliary electrode.
Claims (1)
と、加速度に応じてこの圧電体を付勢する重りと
を備え、前記電極に接続するリード線により加速
度を電圧値で検出する加速度センサにおいて、 前記圧電体の表裏面に、前記電極と同じ面積で
かつ前記重りに付勢されない、焦電ノイズ相殺用
の補正電極を設けたことを特徴とする圧電型加速
度センサ。[Claims for Utility Model Registration] Comprising at least one piezoelectric body having electrodes on its front and back surfaces, and a weight that biases this piezoelectric body according to acceleration, the acceleration can be expressed as a voltage value by a lead wire connected to the electrode. A piezoelectric acceleration sensor for detecting an acceleration, characterized in that a correction electrode for canceling pyroelectric noise is provided on the front and back surfaces of the piezoelectric body, the electrode having the same area as the electrode and not being biased by the weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4061290U JPH041456U (en) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4061290U JPH041456U (en) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041456U true JPH041456U (en) | 1992-01-08 |
Family
ID=31550548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4061290U Pending JPH041456U (en) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041456U (en) |
-
1990
- 1990-04-18 JP JP4061290U patent/JPH041456U/ja active Pending