JPS6246346U - - Google Patents
Info
- Publication number
- JPS6246346U JPS6246346U JP13692385U JP13692385U JPS6246346U JP S6246346 U JPS6246346 U JP S6246346U JP 13692385 U JP13692385 U JP 13692385U JP 13692385 U JP13692385 U JP 13692385U JP S6246346 U JPS6246346 U JP S6246346U
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- melting point
- annular
- type pressure
- gasket
- 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
- 239000002184 metal Substances 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図イ及びロは本考案圧力センサーの実施例
の要部を示す縦断面図、第２図イは従来例圧力セ
ンサーの縦断面図、同図ロは同図イの要部の拡大
図である。
１：圧力センサー、２：内部電極板、３Ａ，３
Ｂ：圧電素子、４：上部押え金、５：下部押え金
、６：積層体、７：金属ケース、８：突合わせ部
、１０：リード線、１１：低融点金属封着。
Figures 1A and 2B are vertical cross-sectional views showing the main parts of the embodiment of the pressure sensor of the present invention, Figure 2A is a vertical cross-sectional view of the conventional pressure sensor, and Figure 2B is an enlarged view of the main parts of Figure A. It is. 1: Pressure sensor, 2: Internal electrode plate, 3A, 3
B: piezoelectric element, 4: upper presser foot, 5: lower presser foot, 6: laminate, 7: metal case, 8: butt portion, 10: lead wire, 11: low melting point metal sealing.
Claims (1)
と、更にその上下に外部電極となる押え金とが順
次積層されてなる環状の積層体が、その周囲をほ
ぼ包被するように一方の押え金面上において端縁
部が突合わされ形成された環状の金属ケース内に
収納されてなるガスケツト型圧力センサーにおい
て、上記金属ケースの突合わせ部が低融点金属で
封着されてなることを特徴とするガスケツト型圧
力センサー。 (2) 上記低融点金属の融点が１５０℃以上で、
内蔵する圧電素子のキユリー点以下である実用新
案登録請求の範囲第１項記載のガスケツト型圧力
センサー。[Claims for Utility Model Registration] (1) An annular laminate consisting of an annular internal electrode plate, piezoelectric elements above and below the plate, and presser feet serving as external electrodes above and below the annular internal electrode plate; A gasket-type pressure sensor is housed in an annular metal case formed by abutting edges on one presser foot surface so as to substantially enclose the presser foot, and the abutting portion of the metal case is made of a low melting point metal. A gasket type pressure sensor characterized by being sealed with. (2) The melting point of the low melting point metal is 150°C or higher,
The gasket type pressure sensor according to claim 1, which has a temperature below the Curie point of the piezoelectric element incorporated therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13692385U JPS6246346U (en) | 1985-09-09 | 1985-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13692385U JPS6246346U (en) | 1985-09-09 | 1985-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6246346U true JPS6246346U (en) | 1987-03-20 |
Family
ID=31040492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13692385U Pending JPS6246346U (en) | 1985-09-09 | 1985-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246346U (en) |
-
1985
- 1985-09-09 JP JP13692385U patent/JPS6246346U/ja active Pending