JPH01173694U - - Google Patents
Info
- Publication number
- JPH01173694U JPH01173694U JP7093288U JP7093288U JPH01173694U JP H01173694 U JPH01173694 U JP H01173694U JP 7093288 U JP7093288 U JP 7093288U JP 7093288 U JP7093288 U JP 7093288U JP H01173694 U JPH01173694 U JP H01173694U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- protective material
- elastic body
- protrusions
- detection 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案センサの一実施例の構成を示す
断面図、第２図は第１図示のセンサを用いてパイ
プ内の液状物の有無を検出している状態を示す断
面図、第３図は本考案センサの他の実施例の構成
を示す断面図である。
１……圧電素子、２……保護材、３……（凹状
、曲面状）弾性体、４……突出部。
FIG. 1 is a cross-sectional view showing the configuration of an embodiment of the sensor of the present invention, FIG. 2 is a cross-sectional view showing the sensor shown in FIG. 1 being used to detect the presence or absence of liquid in a pipe, and FIG. The figure is a sectional view showing the configuration of another embodiment of the sensor of the present invention. DESCRIPTION OF SYMBOLS 1... Piezoelectric element, 2... Protective material, 3... (Concave shape, curved surface shape) elastic body, 4... Protrusion part.
Claims (1)
または圧電素子１の両側部に弾性体３の突出部４
を取付けてなる液状物検出センサ。 A protective material 2 is provided on one surface of the piezoelectric element, and this protective material 2
Or the protrusions 4 of the elastic body 3 on both sides of the piezoelectric element 1.
A liquid detection sensor with a .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988070932U JPH0519826Y2 (en) | 1988-05-27 | 1988-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988070932U JPH0519826Y2 (en) | 1988-05-27 | 1988-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01173694U true JPH01173694U (en) | 1989-12-08 |
| JPH0519826Y2 JPH0519826Y2 (en) | 1993-05-25 |
Family
ID=31296146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988070932U Expired - Lifetime JPH0519826Y2 (en) | 1988-05-27 | 1988-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519826Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014074635A (en) * | 2012-10-04 | 2014-04-24 | Mitsubishi Heavy Ind Ltd | Ultrasonic sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6046421A (en) * | 1983-08-24 | 1985-03-13 | Nagase Sangyo Kk | Detection of liquid |
| JPS60152935U (en) * | 1984-03-22 | 1985-10-11 | ティーディーケイ株式会社 | Piezoelectric liquid sensor |
-
1988
- 1988-05-27 JP JP1988070932U patent/JPH0519826Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6046421A (en) * | 1983-08-24 | 1985-03-13 | Nagase Sangyo Kk | Detection of liquid |
| JPS60152935U (en) * | 1984-03-22 | 1985-10-11 | ティーディーケイ株式会社 | Piezoelectric liquid sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014074635A (en) * | 2012-10-04 | 2014-04-24 | Mitsubishi Heavy Ind Ltd | Ultrasonic sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519826Y2 (en) | 1993-05-25 |