JPH0171623U - - Google Patents
Info
- Publication number
- JPH0171623U JPH0171623U JP1987167187U JP16718787U JPH0171623U JP H0171623 U JPH0171623 U JP H0171623U JP 1987167187 U JP1987167187 U JP 1987167187U JP 16718787 U JP16718787 U JP 16718787U JP H0171623 U JPH0171623 U JP H0171623U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- guide pipe
- ultrasonic transducer
- level meter
- extension part
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図〜第６図はこの考案を具体化した一実施
例を示す図面であつて、第１図はレベル計をタン
クに取り付けた状態を示す部分破断正面図、第２
図は第１図のＡ―Ａ線断面図、第３図は案内パイ
プの部分破断正面図、第４図はレベル計の電気的
構成を示すブロツク回路図、第５図は各信号を示
すタイムチヤート、第６図はパイプ内径と超音波
周波数との関係を示すグラフである。第７図はこ
の考案を具体化した別の実施例を示す案内パイプ
の部分破断正面図である。
３……被検出液体、３ａ……被検出面としての
液面、７……案内パイプ、７ａ……基端側、７ｂ
……パイプ内側、７ｄ……先端側、７ｆ……小孔
、８……延長部、１０……超音波送受波器。
Figures 1 to 6 are drawings showing an embodiment of this invention, in which Figure 1 is a partially cutaway front view showing the level meter attached to the tank, and Figure 2 is a partially cutaway front view showing the level meter attached to the tank.
The figure is a sectional view taken along the line A-A in Figure 1, Figure 3 is a partially broken front view of the guide pipe, Figure 4 is a block circuit diagram showing the electrical configuration of the level meter, and Figure 5 is a time diagram showing each signal. Chart, FIG. 6 is a graph showing the relationship between pipe inner diameter and ultrasonic frequency. FIG. 7 is a partially cutaway front view of a guide pipe showing another embodiment embodying this invention. 3...Liquid to be detected, 3a...Liquid level as a surface to be detected, 7...Guide pipe, 7a...Proximal end side, 7b
...Pipe inside, 7d...Tip side, 7f...Small hole, 8...Extension part, 10...Ultrasonic transducer.
Claims (1)
波器１０と、 前記超音波送受波器１０を基端側７ａに支持し
、先端側７ｄを被検出面３ａへ延出した状態にお
いて、前記超音波送受波器１０から発射された超
音波を被検出面３ａまで案内し、その被検出面３
ａで反射された超音波を超音波送受波器１０まで
案内するための案内パイプ７と、 前記案内パイプ７により案内される前記超音波
の伝播距離を延長するために、案内パイプ７の基
端側７ａの長さを延長して設けられた延長部８と を備えたことを特徴とする超音波式レベル計。 ２ 前記延長部８は案内パイプ７を渦状に巻いて
形成したものである実用新案登録請求の範囲第１
項に記載の超音波式レベル計。[Claims for Utility Model Registration] 1. An ultrasonic transducer 10 that emits and receives ultrasonic waves; the ultrasonic transducer 10 is supported on the proximal end 7a, and the distal end 7d is connected to the detection surface 3a. In the extended state, the ultrasonic wave emitted from the ultrasonic transducer 10 is guided to the detected surface 3a, and
a guide pipe 7 for guiding the ultrasonic waves reflected by a to the ultrasonic transducer 10; and a proximal end of the guide pipe 7 for extending the propagation distance of the ultrasonic waves guided by the guide pipe 7. An ultrasonic level meter characterized by comprising an extension part 8 provided by extending the length of the side 7a. 2. The extension part 8 is formed by winding the guide pipe 7 in a spiral shape.Claim 1 of Utility Model Registration
The ultrasonic level meter described in section.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167187U JPH0171623U (en) | 1987-10-31 | 1987-10-31 | |
| US07/237,061 US4909080A (en) | 1987-10-31 | 1988-08-29 | Ultrasonic level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167187U JPH0171623U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171623U true JPH0171623U (en) | 1989-05-12 |
Family
ID=31455255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167187U Pending JPH0171623U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171623U (en) |
-
1987
- 1987-10-31 JP JP1987167187U patent/JPH0171623U/ja active Pending
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