JPH041455U - - Google Patents
Info
- Publication number
- JPH041455U JPH041455U JP4054090U JP4054090U JPH041455U JP H041455 U JPH041455 U JP H041455U JP 4054090 U JP4054090 U JP 4054090U JP 4054090 U JP4054090 U JP 4054090U JP H041455 U JPH041455 U JP H041455U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric material
- acceleration sensor
- coating layer
- material according
- fixing part
- 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 10
- 239000011247 coating layer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims 1
- 239000004640 Melamine resin Substances 0.000 claims 1
- 229920000877 Melamine resin Polymers 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 claims 1
- 239000005011 phenolic resin Substances 0.000 claims 1
- 229920001568 phenolic resin Polymers 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の実施例を示す加速度センサの
部分破断斜視図、第２図は従来例を示す部分破断
斜視図、第３図は本考案の被覆層の厚さ測定部位
を示す略断面図、第４図は落下試験用容器の略透
視図、第５図は落下試験の落下方法を示す図、第
６，７図は感度と加速度との関係を示すグラフ、
第８図は感度と周囲温度との関係を示すグラフで
ある。
１ａ，１ｂ……圧電性物質、２ａ，２ｂ……外
部電極、３……内部電極、６……固定部、７……
被覆層。
Fig. 1 is a partially cutaway perspective view of an acceleration sensor showing an embodiment of the present invention, Fig. 2 is a partially cutaway perspective view showing a conventional example, and Fig. 3 is a schematic cross section showing the thickness measurement site of the coating layer of the present invention. Figure 4 is a schematic perspective view of the drop test container, Figure 5 is a diagram showing the drop test method, Figures 6 and 7 are graphs showing the relationship between sensitivity and acceleration.
FIG. 8 is a graph showing the relationship between sensitivity and ambient temperature. 1a, 1b...Piezoelectric substance, 2a, 2b...External electrode, 3...Internal electrode, 6...Fixing part, 7...
Covering layer.
Claims (1)
て発生する電荷量から加速度を検知する圧電性物
質を利用した加速度センサにおいて、圧電性物質
と、複数の電極とを積層して成り、これを把持す
る固定部と、これらを被覆する被覆層とを備えた
ことを特徴とする圧電性物質を利用した加速度セ
ンサ。 ２ 前記被覆層がエポキシ系樹脂であることを特
徴とする請求項１記載の圧電性物質を利用した加
速度センサ。 ３ 前記被覆層がフエノール系樹脂であることを
特徴とする請求項１記載の圧電性物質を利用した
加速度センサ。 ４ 前記被覆層がメラミン系樹脂であることを特
徴とする請求項１記載の圧電性物質を利用した加
速度センサ。 ５ 前記圧電性物質の表面と前記複数の電極の表
面とが共通した単一の前記被覆層により覆われて
いることを特徴とする請求項１乃至４のいずれか
に記載の圧電性物質を利用した加速度センサ。[Claims for Utility Model Registration] 1. An acceleration sensor that uses a piezoelectric material that generates distortion when subjected to acceleration and detects acceleration from the amount of charge generated in response to the distortion, which includes a piezoelectric material and a plurality of electrodes. 1. An acceleration sensor using a piezoelectric material, characterized by comprising a fixing part for gripping the fixing part, and a coating layer covering the fixing part. 2. The acceleration sensor using a piezoelectric material according to claim 1, wherein the coating layer is an epoxy resin. 3. The acceleration sensor using a piezoelectric material according to claim 1, wherein the coating layer is a phenolic resin. 4. The acceleration sensor using a piezoelectric material according to claim 1, wherein the coating layer is made of melamine resin. 5. Utilizing the piezoelectric material according to any one of claims 1 to 4, wherein the surface of the piezoelectric material and the surfaces of the plurality of electrodes are covered with a common single coating layer. acceleration sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4054090U JPH041455U (en) | 1990-04-16 | 1990-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4054090U JPH041455U (en) | 1990-04-16 | 1990-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041455U true JPH041455U (en) | 1992-01-08 |
Family
ID=31550417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4054090U Pending JPH041455U (en) | 1990-04-16 | 1990-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211544A (en) * | 1975-07-16 | 1977-01-28 | Shiyuuzou Miki | External transmission for bicycle |
| JPH06233663A (en) * | 1991-04-04 | 1994-08-23 | Asahi Shokuhin Kogyo Kk | Production of bean curd and apparatus therefor |
-
1990
- 1990-04-16 JP JP4054090U patent/JPH041455U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211544A (en) * | 1975-07-16 | 1977-01-28 | Shiyuuzou Miki | External transmission for bicycle |
| JPH06233663A (en) * | 1991-04-04 | 1994-08-23 | Asahi Shokuhin Kogyo Kk | Production of bean curd and apparatus therefor |
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