JPS63190943U - - Google Patents
Info
- Publication number
- JPS63190943U JPS63190943U JP8104587U JP8104587U JPS63190943U JP S63190943 U JPS63190943 U JP S63190943U JP 8104587 U JP8104587 U JP 8104587U JP 8104587 U JP8104587 U JP 8104587U JP S63190943 U JPS63190943 U JP S63190943U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- plate
- receiving plate
- insulating
- piezoelectric element
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000007769 metal material Substances 0.000 claims 1
- 230000001012 protector Effects 0.000 claims 1
- 239000012212 insulator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の一実施例における座金型圧力
センサの一部断面図、第２図Ａは第１図に示す絶
縁体の一部断面図、第２図Ｂは第１図に示す絶縁
体の平面図、第３図は本考案の他の実施例におけ
る座金型圧力センサの一部断面図、第４図は従来
の座金型圧力センサの断面図、第５図は第４図に
示す座金型圧力センサを構成する各部材の一部断
面図、第６図は座金型圧力センサの使用例である
。
１……座金型圧力センサ、２……出力端子、４
……第１の受圧板、５……第２の受圧板、６……
絶縁板、７……圧電素子、８……電極板、９……
絶縁チユーブ、１０……絶縁性固着材、１１……
筒状保護部、２０……絶縁体。
Fig. 1 is a partial sectional view of a washer type pressure sensor according to an embodiment of the present invention, Fig. 2A is a partial sectional view of the insulator shown in Fig. 1, and Fig. 2B is a partial sectional view of the insulator shown in Fig. 1. 3 is a partial sectional view of a washer type pressure sensor according to another embodiment of the present invention, FIG. 4 is a sectional view of a conventional washer type pressure sensor, and FIG. 5 is shown in FIG. FIG. 6, which is a partial sectional view of each member constituting the washer type pressure sensor, is an example of how the washer type pressure sensor is used. 1...Washer type pressure sensor, 2...Output terminal, 4
...First pressure receiving plate, 5... Second pressure receiving plate, 6...
Insulating plate, 7... Piezoelectric element, 8... Electrode plate, 9...
Insulating tube, 10... Insulating fixing material, 11...
Cylindrical protection part, 20...Insulator.
Claims (1)
に第２の受圧板と、互いに同心で対向配置した上
記第１の受圧板と第２の受圧板との間に圧電素子
と該圧電素子の起電力を導出する電極板と絶縁板
とを備え、前記第１の受圧板には中心孔内周部を
前記第２の受圧板側へ延出させた筒状保護部を設
け、該筒状保護部には上記電極板の内周部を絶縁
する絶縁チユーブを介装させて前記第１の受圧板
と第２の受圧板との間に絶縁板、電極板、圧電素
子とを一体に挟圧保持した座金型圧力センサにお
いて、 上記絶縁板と絶縁チユーブとを一体に形成した
ことを特徴とする座金型圧力センサ。[Claims for Utility Model Registration] A ring-shaped first pressure receiving plate and a second pressure receiving plate made of a metal material, and between the first pressure receiving plate and the second pressure receiving plate which are arranged concentrically and facing each other. The first pressure-receiving plate includes a piezoelectric element, an electrode plate for deriving the electromotive force of the piezoelectric element, and an insulating plate, and the first pressure-receiving plate has a cylindrical protector with an inner peripheral portion of the center hole extending toward the second pressure-receiving plate. an insulating tube is interposed in the cylindrical protection part to insulate the inner peripheral part of the electrode plate, and an insulating plate, an electrode plate, A washer-type pressure sensor in which a piezoelectric element is integrally held under pressure, characterized in that the insulating plate and the insulating tube are integrally formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8104587U JPH0628671Y2 (en) | 1987-05-29 | 1987-05-29 | Washer pressure sensor |
| US07/192,944 US4898024A (en) | 1987-05-22 | 1988-05-12 | Piezoelectric pressure measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8104587U JPH0628671Y2 (en) | 1987-05-29 | 1987-05-29 | Washer pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63190943U true JPS63190943U (en) | 1988-12-08 |
| JPH0628671Y2 JPH0628671Y2 (en) | 1994-08-03 |
Family
ID=30932418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8104587U Expired - Lifetime JPH0628671Y2 (en) | 1987-05-22 | 1987-05-29 | Washer pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628671Y2 (en) |
-
1987
- 1987-05-29 JP JP8104587U patent/JPH0628671Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628671Y2 (en) | 1994-08-03 |