JPH01134225U - - Google Patents
Info
- Publication number
- JPH01134225U JPH01134225U JP3001088U JP3001088U JPH01134225U JP H01134225 U JPH01134225 U JP H01134225U JP 3001088 U JP3001088 U JP 3001088U JP 3001088 U JP3001088 U JP 3001088U JP H01134225 U JPH01134225 U JP H01134225U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- case
- vibrator
- bonding
- water level
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案の一実施例にかる圧電式水位セ
ンサを示す断面図、第２図は本考案の一実施例に
よる圧電式水位センサを示す斜視図、第３図、第
４図、第５図は本考案による圧電式水位センサの
他の実施例を示す要部断面図、第６図は従来の圧
電式水位センサを示す断面図である。
１１……圧電磁器振動板、１２……金属板、１
３……接着剤、１４……片側開放円筒ケース、１
５，１５ａ，１５ｂ，１５ｃ……凹部、１６……
リード線、１７……はんだ、１８……封止板、１
９……つば。
FIG. 1 is a sectional view showing a piezoelectric water level sensor according to an embodiment of the present invention, FIG. 2 is a perspective view showing a piezoelectric water level sensor according to an embodiment of the present invention, FIGS. FIG. 5 is a sectional view of a main part showing another embodiment of the piezoelectric water level sensor according to the present invention, and FIG. 6 is a sectional view showing a conventional piezoelectric water level sensor. 11...Piezoelectric ceramic diaphragm, 12...Metal plate, 1
3... Adhesive, 14... One side open cylindrical case, 1
5, 15a, 15b, 15c... recess, 16...
Lead wire, 17... Solder, 18... Sealing plate, 1
9...Brim.
Claims (1)
た圧電磁器振動子を片側開放円筒ケースの底部の
中央部に固定し、前記圧電磁器振動子の周囲に位
置する前記ケース底部の厚みを、前記ケースの前
記圧電振動子の貼り合せ部および前記ケースの側
面部より薄く構成してなる圧電式水位センサ。 A piezoelectric ceramic vibrator formed by bonding a piezoelectric ceramic diaphragm to a metal plate is fixed to the center of the bottom of a cylindrical case with one side open, and the thickness of the bottom of the case located around the piezoelectric vibrator is A piezoelectric water level sensor configured to be thinner than a bonding part of the piezoelectric vibrator of the case and a side part of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001088U JPH01134225U (en) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001088U JPH01134225U (en) | 1988-03-07 | 1988-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134225U true JPH01134225U (en) | 1989-09-13 |
Family
ID=31254691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3001088U Pending JPH01134225U (en) | 1988-03-07 | 1988-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134225U (en) |
-
1988
- 1988-03-07 JP JP3001088U patent/JPH01134225U/ja active Pending