JPH01180683U - - Google Patents
Info
- Publication number
- JPH01180683U JPH01180683U JP7258588U JP7258588U JPH01180683U JP H01180683 U JPH01180683 U JP H01180683U JP 7258588 U JP7258588 U JP 7258588U JP 7258588 U JP7258588 U JP 7258588U JP H01180683 U JPH01180683 U JP H01180683U
- Authority
- JP
- Japan
- Prior art keywords
- retaining material
- water retaining
- liquid sensor
- piezoelectric element
- absorbs
- 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
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案液体センサの一実施例を保持具
に取付け保水材に吸水する状態を示す説明図、第
２図は保持具に取付けた本考案液体センサでパイ
プ内の液体の有無を検出している状態を示す説明
図である。
９……圧電素子、１０……保水材、１１……接
触媒体。
Figure 1 is an explanatory diagram showing a state in which an embodiment of the liquid sensor of the present invention is attached to a holder and absorbs water into a water retaining material. Figure 2 is an explanatory diagram showing a state in which an embodiment of the liquid sensor of the present invention is attached to a holder and water is absorbed into a water retaining material. Figure 2 is an illustration of the liquid sensor of the present invention attached to a holder to detect the presence or absence of liquid in a pipe. FIG. 9... Piezoelectric element, 10... Water retaining material, 11... Contact medium.
Claims (1)
接合してなる液体センサ。 A liquid sensor made by bonding a water retaining material that absorbs a contact medium to the surface of a piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7258588U JPH01180683U (en) | 1988-05-30 | 1988-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7258588U JPH01180683U (en) | 1988-05-30 | 1988-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180683U true JPH01180683U (en) | 1989-12-26 |
Family
ID=31297743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7258588U Pending JPH01180683U (en) | 1988-05-30 | 1988-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180683U (en) |
-
1988
- 1988-05-30 JP JP7258588U patent/JPH01180683U/ja active Pending
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