JPH02146374U - - Google Patents
Info
- Publication number
- JPH02146374U JPH02146374U JP5504989U JP5504989U JPH02146374U JP H02146374 U JPH02146374 U JP H02146374U JP 5504989 U JP5504989 U JP 5504989U JP 5504989 U JP5504989 U JP 5504989U JP H02146374 U JPH02146374 U JP H02146374U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric body
- backing material
- neutral electrode
- support ring
- sensor
- 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
- 239000000463 material Substances 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図ａ，ｂはそれぞれ本考案センサの第１実
施例を示す部分分解斜視図及びその縦断面図、第
２図は第１実施例をケーシングに収納した状態を
示す簡略縦断面図、第３図ａ，ｂはそれぞれ本考
案センサの第２実施例を示す部分分解斜視図及び
その縦断面図、第４図は第２実施例をケーシング
に収納した状態を示す簡略縦断面図、第５図ａ，
ｂはそれぞれ本考案センサの第３実施例を示す部
分分解斜視図及びその縦断面図、第６図は第３実
施例をケーシングに収納した状態を示す簡略縦断
面図、第７図ａ，ｂは本考案センサを用いて加速
度および温度に対する感度（出力）の関係を実験
した結果を示す加速度−感度特性図および温度−
感度特性図、第８図ａ〜ｃは本考案センサを用い
た場合の加速度入力と出力信号波形を示す図、第
９図ａ，ｂはそれぞれ従来センサの一例を示す縦
断面図及びこの従来センサをケーシングに収納し
た状態を示す簡略断面図である。
１……圧電体、２……正電極、３……負電極、
４……中立電極、５……裏打材、７……センサ素
子、８……支持リング、１０……ケーシング、１
１……回路基板、１２……小孔、１３……小孔ま
たはスリツト、１４……小孔。
Figures 1a and b are a partially exploded perspective view and a vertical cross-sectional view of the first embodiment of the sensor of the present invention, respectively, and Figure 2 is a simplified vertical cross-sectional view of the first embodiment housed in a casing. Figures 3a and 3b are a partially exploded perspective view and a vertical cross-sectional view, respectively, showing the second embodiment of the sensor of the present invention; Figure 4 is a simplified vertical cross-sectional view showing the second embodiment housed in a casing; Figure a,
b is a partially exploded perspective view and a longitudinal sectional view thereof showing the third embodiment of the sensor of the present invention, FIG. 6 is a simplified longitudinal sectional view showing the third embodiment housed in a casing, and FIGS. 7a and b are acceleration-sensitivity characteristic diagrams and temperature-representing the results of experiments on the relationship between sensitivity (output) to acceleration and temperature using the sensor of the present invention.
Sensitivity characteristic diagrams, Figures 8a to 8c are diagrams showing acceleration input and output signal waveforms when the sensor of the present invention is used, and Figures 9a and b are longitudinal cross-sectional views showing an example of a conventional sensor and this conventional sensor, respectively. FIG. 2 is a simplified cross-sectional view showing a state in which the battery is housed in a casing. 1...Piezoelectric body, 2...Positive electrode, 3...Negative electrode,
4... Neutral electrode, 5... Backing material, 7... Sensor element, 8... Support ring, 10... Casing, 1
1... Circuit board, 12... Small hole, 13... Small hole or slit, 14... Small hole.
Claims (1)
を設け、圧電体１の他面に中立電極４を設け、こ
の中立電極４の表面に裏打材５を設けてセンサ素
子７を構成し、この裏打材５の表面に支持リング
８を介して回路基板１１を接着すると共にこの回
路基板１１に小孔１２を設けてなる加速度センサ
。 (2) 圧電体１の一面に一対の正、負電極２，３
を設け、圧電体１の他面に中立電極４を設け、こ
の中立電極４の表面に裏打材５を設けてセンサ素
子７を構成し、この裏打材５の表面に支持リング
８を介して回路基板１１を接着すると共に前記支
持リング８に直径方向の小孔１３またはスリツト
を設けてなる加速度センサ。 (3) 圧電体１の一面に一対の正、負電極２，３
を設け、圧電体１の他面に中立電極４を設け、こ
の中立電極４の表面に裏打材５を設けてセンサ素
子７を構成し、この裏打材５の表面に支持リング
８を介して回路基板１１を接着すると共に前記セ
ンサ素子７に小孔１４を設けてなる加速度センサ
。[Claims for Utility Model Registration] (1) A pair of positive and negative electrodes 2 and 3 on one surface of the piezoelectric body 1
A neutral electrode 4 is provided on the other surface of the piezoelectric body 1, a backing material 5 is provided on the surface of the neutral electrode 4 to constitute a sensor element 7, and a circuit is connected to the surface of the backing material 5 via a support ring 8. This is an acceleration sensor in which a circuit board 11 is bonded and a small hole 12 is provided in the circuit board 11. (2) A pair of positive and negative electrodes 2 and 3 on one surface of the piezoelectric body 1
A neutral electrode 4 is provided on the other surface of the piezoelectric body 1, a backing material 5 is provided on the surface of the neutral electrode 4 to constitute a sensor element 7, and a circuit is connected to the surface of the backing material 5 via a support ring 8. An acceleration sensor in which a substrate 11 is bonded and a small diameter hole 13 or slit is provided in the support ring 8. (3) A pair of positive and negative electrodes 2 and 3 on one surface of the piezoelectric body 1
A neutral electrode 4 is provided on the other surface of the piezoelectric body 1, a backing material 5 is provided on the surface of the neutral electrode 4 to constitute a sensor element 7, and a circuit is connected to the surface of the backing material 5 via a support ring 8. An acceleration sensor in which a substrate 11 is bonded and a small hole 14 is provided in the sensor element 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5504989U JPH02146374U (en) | 1989-05-12 | 1989-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5504989U JPH02146374U (en) | 1989-05-12 | 1989-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146374U true JPH02146374U (en) | 1990-12-12 |
Family
ID=31577655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5504989U Pending JPH02146374U (en) | 1989-05-12 | 1989-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146374U (en) |
-
1989
- 1989-05-12 JP JP5504989U patent/JPH02146374U/ja active Pending