JPH0325114U - - Google Patents
Info
- Publication number
- JPH0325114U JPH0325114U JP8714589U JP8714589U JPH0325114U JP H0325114 U JPH0325114 U JP H0325114U JP 8714589 U JP8714589 U JP 8714589U JP 8714589 U JP8714589 U JP 8714589U JP H0325114 U JPH0325114 U JP H0325114U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- light emitting
- liquid
- emitting element
- housing
- 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
- 239000000463 material Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 6
- 239000000126 substance Substances 0.000 claims 3
- 239000012778 molding material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (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
を示す説明用斜視図、第４図は更に他の実施例の
回路図である。
１……可撓性圧電素子、２……絶縁材、３……
シールド材、４……第１保護材、５……第２保護
材、６……弾性体（コ字状バネ板）、７……モー
ルド材、８……発光素子、９……ハウジング（把
手）、１０……共振用コイル。
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 a state in which the sensor shown in FIG. The figure is an explanatory perspective view showing the configuration of another embodiment of the sensor of the present invention, and FIG. 4 is a circuit diagram of still another embodiment. 1... Flexible piezoelectric element, 2... Insulating material, 3...
Shield material, 4... First protective material, 5... Second protective material, 6... Elastic body (U-shaped spring plate), 7... Mold material, 8... Light emitting element, 9... Housing (handle ), 10... Resonance coil.
Claims (1)
ルド材３及び第１保護材４をこの順に接合し、前
記圧電素子１の他面に第２保護材５を設け、弾性
体６の内側に、第２保護材５側が外側になるよう
に圧電素子１をモールド材７で封止せしめてなる
液状物センサ。 (2) 弾性体６側、及び圧電素子１側に直列に接
続され液状物の有無に応じて発光、消灯する発光
素子８をハウジング９内に収設せしめてなる請求
項第１項記載の液状物センサ。 (3) 可撓性圧電素子１に共振用コイル１０を直
列に接続し、この直列回路の一端に、液の有無に
応じて発光、消灯する発光素子８を接続せしめ、
ハウジング９内に共振用コイル１０と発光素子８
を収めると共に圧電振動子１をハウジング９外に
配設せしめてなる液状物センサ。[Claims for Utility Model Registration] (1) An insulating material 2, a shielding material 3, and a first protective material 4 are bonded to one surface of the flexible piezoelectric element 1 in this order, and a second protective material is bonded to the other surface of the piezoelectric element 1. A liquid substance sensor is provided with a piezoelectric element 1 and sealed inside an elastic body 6 with a molding material 7 so that the second protective material 5 side is on the outside. (2) The liquid liquid according to claim 1, wherein a light emitting element 8 is housed in the housing 9, and the light emitting element 8 is connected in series to the elastic body 6 side and the piezoelectric element 1 side and emits light and turns off depending on the presence or absence of the liquid substance. Object sensor. (3) A resonant coil 10 is connected in series to the flexible piezoelectric element 1, and a light emitting element 8 is connected to one end of this series circuit, which emits light and turns off depending on the presence or absence of liquid,
A resonance coil 10 and a light emitting element 8 are placed inside the housing 9.
A liquid substance sensor in which a piezoelectric vibrator 1 is disposed outside a housing 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8714589U JPH0325114U (en) | 1989-07-24 | 1989-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8714589U JPH0325114U (en) | 1989-07-24 | 1989-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325114U true JPH0325114U (en) | 1991-03-14 |
Family
ID=31636796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8714589U Pending JPH0325114U (en) | 1989-07-24 | 1989-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325114U (en) |
-
1989
- 1989-07-24 JP JP8714589U patent/JPH0325114U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0810343Y2 (en) | Structure for holding actuator by sound sensor | |
| JPH054395Y2 (en) | ||
| JPH03130621U (en) | ||
| JPH0434015U (en) | ||
| JPH01128133U (en) | ||
| JPH021917U (en) | ||
| JPS63106300U (en) | ||
| JPH0282313U (en) | ||
| JPH03103426U (en) | ||
| JPS61186142U (en) | ||
| JPH02108428U (en) | ||
| JPS6279118U (en) | ||
| JPS6315604U (en) | ||
| JPH0279620U (en) | ||
| JPH0169694U (en) | ||
| JPH0336145U (en) | ||
| JPS62168433U (en) | ||
| JPS6176327U (en) | ||
| JPS6293822U (en) | ||
| JPH0390518U (en) | ||
| JPH0265850U (en) | ||
| JPH0245429U (en) | ||
| JPS62114520U (en) | ||
| JPS61143325U (en) | ||
| JPS6176328U (en) |