JPS6390127U - - Google Patents
Info
- Publication number
- JPS6390127U JPS6390127U JP18507086U JP18507086U JPS6390127U JP S6390127 U JPS6390127 U JP S6390127U JP 18507086 U JP18507086 U JP 18507086U JP 18507086 U JP18507086 U JP 18507086U JP S6390127 U JPS6390127 U JP S6390127U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- liquid level
- level gauge
- liquid
- resonance
- 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 8
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
図面はこの考案の一実施例による液面計を示す
構成図である。
図において、１は容器、２は液体、３は中空パ
イプ、４は掃引発振器、５はアンプ、６はスピー
カ、７はマイクロホン、８はアンプ、９は共鳴検
出回路、１０は演算回路を示す。
The drawing is a configuration diagram showing a liquid level gauge according to an embodiment of this invention. In the figure, 1 is a container, 2 is a liquid, 3 is a hollow pipe, 4 is a sweep oscillator, 5 is an amplifier, 6 is a speaker, 7 is a microphone, 8 is an amplifier, 9 is a resonance detection circuit, and 10 is an arithmetic circuit.
Claims (1)
中空パイプの他端側に配設されている音源および
マイクロホンと、このマイクロホンで拾つた音が
共鳴音であることを検出する共鳴検出回路と、前
記共鳴音の周波数から前記液体の液面レベルを算
出する演算回路とを備えた液面計。 (2) 音源は、所定の周波数域の音が発生できる
ものであることを特徴とする実用新案登録請求の
範囲第(1)項記載の液面計。 (3) 音源は、笛であることを特徴とする実用新
案登録請求の範囲第(1)項記載の液面計。[Claims for Utility Model Registration] (1) A hollow pipe whose one end is immersed in liquid, a sound source and a microphone disposed at the other end of the hollow pipe, and the sound picked up by this microphone is resonance sound. A liquid level gauge comprising: a resonance detection circuit that detects a presence; and an arithmetic circuit that calculates the liquid level of the liquid from the frequency of the resonance sound. (2) The liquid level gauge according to claim 1, wherein the sound source is capable of generating sound in a predetermined frequency range. (3) The liquid level gauge according to claim (1) of the utility model registration claim, wherein the sound source is a whistle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18507086U JPS6390127U (en) | 1986-12-02 | 1986-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18507086U JPS6390127U (en) | 1986-12-02 | 1986-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6390127U true JPS6390127U (en) | 1988-06-11 |
Family
ID=31133355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18507086U Pending JPS6390127U (en) | 1986-12-02 | 1986-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6390127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007097456A1 (en) * | 2006-02-27 | 2009-07-16 | 国立大学法人東京工業大学 | Micro liquid quantity measuring device and micro liquid quantity measuring method |
-
1986
- 1986-12-02 JP JP18507086U patent/JPS6390127U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007097456A1 (en) * | 2006-02-27 | 2009-07-16 | 国立大学法人東京工業大学 | Micro liquid quantity measuring device and micro liquid quantity measuring method |
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