JPS6312723U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は超音波レベル計の原理説明図、第２２
図は本考案になる超音波レベル計の一実施例を示
す説明図、第３図は本考案になる超音波レベル計
を暗渠の流量計の一部として利用した実施例の説
明図である。 １と１′……検出プローブ、２……送受信装置
、３と３′……送波器、４と４′……受波器、５
……表面、６……管渠、７と７′と１２……放射
超音波ビーム、８と８′と１３……反射超音波ビ
ーム、９と１０と１５……空間、１１……反射板
、１６……送受波器、１７……別の検出プローブ
、１８……筺体、１９……地面。 Figure 1 is a diagram explaining the principle of an ultrasonic level meter, Figure 22
The figure is an explanatory diagram showing one embodiment of the ultrasonic level meter according to the present invention, and FIG. 3 is an explanatory diagram showing an embodiment in which the ultrasonic level meter according to the present invention is used as a part of a flow meter for an underdrain. 1 and 1'...detection probe, 2...transmitter/receiver, 3 and 3'...transmitter, 4 and 4'...receiver, 5
...Surface, 6...Pipe, 7, 7', and 12...Emitted ultrasonic beam, 8, 8', and 13...Reflected ultrasonic beam, 9, 10, and 15...Space, 11...Reflector plate , 16... Transducer/receiver, 17... Another detection probe, 18... Housing, 19... Ground.

補正 昭６２．８．２１ 図面の簡単な説明を次のように補正する。 明細書の第１２頁第２０行目乃至第１３頁第１
行目の「第２２図」とあるのを「第２図」と補正
する。Amendment August 21, 1982 The brief description of the drawing is amended as follows. From page 12, line 20 to page 13, line 1 of the specification
The line "Figure 22" is corrected to read "Figure 2."

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 超音波パルスエコー方式を用いて被測定物体の
表面までの空中伝播時間を測定してこの表面レベ
ルを測定するレベル計において、送波器のみをも
つ検出プローブを設置し、この送波器からの放射
超音波ビームの放射方向を上記表面とほぼ平行に
なるように上記放射方向の前方に反射板を設置し
、上記放射超音波ビームがほぼ直角に反射して垂
直に上記表面に入射し、かつ上記送波器から被測
定物体の表面までの距離をデツドゾーンよりやや
大きくするとともに、上記反射板の位置の前方で
かつ上記表面に向つて受波器のみをもつ別の検出
プローブを設置し、上記表面からの反射超音波ビ
ームが上記別の検出プローブの受波器に入射する
ようにしてレベル測定を行うことを特徴とする超
音波レベル計。 In a level meter that uses an ultrasonic pulse echo method to measure the air propagation time to the surface of an object to be measured to measure the surface level, a detection probe with only a transmitter is installed, and the A reflecting plate is installed in front of the radiation direction so that the radiation direction of the radiated ultrasound beam is substantially parallel to the surface, and the radiated ultrasound beam is reflected at a substantially right angle and is perpendicularly incident on the surface, and The distance from the transmitter to the surface of the object to be measured is made slightly larger than the dead zone, and another detection probe having only a receiver is installed in front of the reflector and facing the surface. An ultrasonic level meter characterized in that level measurement is performed by making a reflected ultrasonic beam from a surface enter a receiver of the another detection probe.