JPS6216431U - - Google Patents
Info
- Publication number
- JPS6216431U JPS6216431U JP10797585U JP10797585U JPS6216431U JP S6216431 U JPS6216431 U JP S6216431U JP 10797585 U JP10797585 U JP 10797585U JP 10797585 U JP10797585 U JP 10797585U JP S6216431 U JPS6216431 U JP S6216431U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- ultrasonic
- liquid level
- tank
- tanks
- 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
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案に依る超音波レベルスイツチの
一実施例を示す縦断面図、第２図は検出回路を示
した図、第３図は従来の液位計を示した図、第４
図ａ，ｂは従来の液レベルスイツチを示す図であ
る。
図中、１……超音波送受波器、２……タンク、
３……液、３ａ……液面、４……超音波、５……
送波器、６……受波器、７……レベル計器、８…
…中空パイプ、９……発振器、９ａ……超音波振
動子、９ｂ……超音波放射図、１０……駆動線、
１１……検出回路、１２……交流電源、１３……
電源線、１４……信号線。
Fig. 1 is a vertical cross-sectional view showing an embodiment of the ultrasonic level switch according to the present invention, Fig. 2 is a diagram showing a detection circuit, Fig. 3 is a diagram showing a conventional liquid level meter, and Fig. 4 is a diagram showing an embodiment of the ultrasonic level switch according to the present invention.
Figures a and b show conventional liquid level switches. In the figure, 1... Ultrasonic transducer, 2... Tank,
3...Liquid, 3a...Liquid level, 4...Ultrasonic wave, 5...
Transmitter, 6...Receiver, 7...Level meter, 8...
... Hollow pipe, 9 ... Oscillator, 9a ... Ultrasonic transducer, 9b ... Ultrasonic radiation diagram, 10 ... Drive line,
11...Detection circuit, 12...AC power supply, 13...
Power line, 14...signal line.
Claims (1)
設け、前記振動子には駆動用の電圧を常時加え、
振動子の周囲媒体により変化する振動子インピー
ダンスの変化を検出することにより液位レベルを
検出するタンク用超音波レベルスイツチ。 An ultrasonic oscillator having an ultrasonic vibrator is provided in the tank, and a driving voltage is constantly applied to the vibrator.
An ultrasonic level switch for tanks that detects the liquid level by detecting changes in the impedance of the vibrator, which changes depending on the surrounding medium of the vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10797585U JPS6216431U (en) | 1985-07-15 | 1985-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10797585U JPS6216431U (en) | 1985-07-15 | 1985-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6216431U true JPS6216431U (en) | 1987-01-31 |
Family
ID=30984739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10797585U Pending JPS6216431U (en) | 1985-07-15 | 1985-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6216431U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55116222A (en) * | 1979-03-01 | 1980-09-06 | Matsushita Electric Ind Co Ltd | Level detector |
-
1985
- 1985-07-15 JP JP10797585U patent/JPS6216431U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55116222A (en) * | 1979-03-01 | 1980-09-06 | Matsushita Electric Ind Co Ltd | Level detector |
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