JPS62123518U - - Google Patents
Info
- Publication number
- JPS62123518U JPS62123518U JP998086U JP998086U JPS62123518U JP S62123518 U JPS62123518 U JP S62123518U JP 998086 U JP998086 U JP 998086U JP 998086 U JP998086 U JP 998086U JP S62123518 U JPS62123518 U JP S62123518U
- Authority
- JP
- Japan
- Prior art keywords
- output
- piezoelectric vibrator
- electrode
- certain period
- time
- 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
- 239000002245 particle Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図はこの考案の構成例図、第２図は検知装
置部の説明図、第３図は回路例図、第４図は出力
電圧の波形図である。
１は粒体容器、７は圧電振動子、９は入力電極
、９′は共通電極、１０は出力電極。
FIG. 1 is a diagram showing an example of the configuration of this invention, FIG. 2 is an explanatory diagram of the detection device section, FIG. 3 is a diagram of an example circuit, and FIG. 4 is a waveform diagram of the output voltage. 1 is a particle container, 7 is a piezoelectric vibrator, 9 is an input electrode, 9' is a common electrode, and 10 is an output electrode.
Claims (1)
具備した圧電振動子に入力電極と出力電極を形成
し、この入力電極には圧電振動子を振動させるパ
ルス電圧を印加し、出力電極より検知信号を出力
させると共に圧電振動子を一定周期を持つて振動
させ、この出力電圧の存在を一定時度経過したの
ち検知し、この時の出力電圧の有無により粒体等
の存在を検知するように構成したことを特徴とす
る粒体等の検知装置。 An input electrode and an output electrode are formed on a piezoelectric vibrator installed on the wall surface so as to receive lateral pressure from the contents of the granule container. A pulse voltage that vibrates the piezoelectric vibrator is applied to this input electrode, and a detection signal is output from the output electrode. is output, and the piezoelectric vibrator is vibrated at a certain period, and the presence of this output voltage is detected after a certain period of time has elapsed, and the presence of particles, etc. is detected based on the presence or absence of the output voltage at this time. A device for detecting particles, etc., characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP998086U JPS62123518U (en) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP998086U JPS62123518U (en) | 1986-01-27 | 1986-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62123518U true JPS62123518U (en) | 1987-08-05 |
Family
ID=30795811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP998086U Pending JPS62123518U (en) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62123518U (en) |
-
1986
- 1986-01-27 JP JP998086U patent/JPS62123518U/ja active Pending
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