JPS5814129U - object detection device - Google Patents
object detection deviceInfo
- Publication number
- JPS5814129U JPS5814129U JP10664881U JP10664881U JPS5814129U JP S5814129 U JPS5814129 U JP S5814129U JP 10664881 U JP10664881 U JP 10664881U JP 10664881 U JP10664881 U JP 10664881U JP S5814129 U JPS5814129 U JP S5814129U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- object detection
- piezoelectric vibrator
- container
- support tube
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は物体検知装置における圧電振動子取付構造の一
例を示す断面図、第２図は物体検知装置の電気的構成を
示す回路図、第３図乃至第５図はストレスにより圧電振
動子の利得及び位相の周波数特性が乱れた状態を示すグ
ラフ、第６図は本考案に係る物体検知装置の第１実施例
であって圧電振動子取付部周辺の構造を示す拡大断面図
、第７図は第１実施例の場合の圧電振動子の利得及び位
相の周波数特性を示すグラフ、第８図は本考案の第２実
施例を示す拡大断面図、第９図は本考案の第３実施例を
示す拡大断面図である。
１・・・容器、２，３３，３３Ａ、３３Ｂ・・・支持筒
、３・・・圧電振動子、３０．３０Ａ、３０Ｂ・・・ベ
ース、３１・・・・・・円環状溝、３２・・・接着剤、
３４・・・円環状段差面、３５．３５Ａ、３５Ｂ・・・
穴。Figure 1 is a cross-sectional view showing an example of a piezoelectric vibrator mounting structure in an object detection device, Figure 2 is a circuit diagram showing the electrical configuration of the object detection device, and Figures 3 to 5 are FIG. 6 is a graph showing a state in which the frequency characteristics of gain and phase are disturbed; FIG. 6 is an enlarged sectional view showing the structure around the piezoelectric vibrator mounting part in the first embodiment of the object detection device according to the present invention; FIG. is a graph showing the frequency characteristics of the gain and phase of the piezoelectric vibrator in the case of the first embodiment, FIG. 8 is an enlarged sectional view showing the second embodiment of the present invention, and FIG. 9 is a third embodiment of the present invention. FIG. DESCRIPTION OF SYMBOLS 1... Container, 2, 33, 33A, 33B... Support tube, 3... Piezoelectric vibrator, 30. 30A, 30B... Base, 31... Annular groove, 32... ··glue,
34... Annular step surface, 35.35A, 35B...
hole.
Claims (1)
し、その容器内の内容物の有無に応じてその圧電振動子
の共振状態が変化することる利用した物体検知装置にお
いて、前記ベースに対し弾性を有する接合層を介して前
記支持筒を取付けたことを特徴とする物体検知装置。In an object detection device in which a piezoelectric vibrator is supported by a support tube protruding from a base of a container, and the resonance state of the piezoelectric vibrator changes depending on the presence or absence of contents in the container, An object detection device characterized in that the support tube is attached via a bonding layer having elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10664881U JPS5814129U (en) | 1981-07-20 | 1981-07-20 | object detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10664881U JPS5814129U (en) | 1981-07-20 | 1981-07-20 | object detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5814129U true JPS5814129U (en) | 1983-01-28 |
Family
ID=29901114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10664881U Pending JPS5814129U (en) | 1981-07-20 | 1981-07-20 | object detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5814129U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4914097A (en) * | 1972-03-20 | 1974-02-07 |
-
1981
- 1981-07-20 JP JP10664881U patent/JPS5814129U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4914097A (en) * | 1972-03-20 | 1974-02-07 |
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