JPS62195782U

JPS62195782U -

Info

Publication number: JPS62195782U
Application number: JP8282386U
Authority: JP
Priority date: 1986-05-31
Filing date: 1986-05-31
Publication date: 1987-12-12

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示す断面図、第
２図は第１図の底面図、第３図は第１図の一部切
り欠いた右側面図、第４図は第１図の測定領域を
示す説明図、第５図は第２実施例を示す断面図、
第６図は第５図の底面図、第７図は従来例を示す
説明図、第８図は超音波計測に使用される超音波
の波形を示す説明図、第９図は第７図における送
信回路から出力される信号波形Ｔと受信回路で検
出された受信信号の波形Ｒの一例を示す説明図で
ある。１０……本体ケース、１０Ａ……隔壁、１０Ｂ
，１０Ｃ……側壁、１１，１２……超音波送受波
器、１３，１４……吸音部材、２０，３０……ガ
イドホーン。 Fig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a bottom view of Fig. 1, Fig. 3 is a partially cutaway right side view of Fig. An explanatory diagram showing the measurement area in the figure, FIG. 5 is a sectional view showing the second embodiment,
Fig. 6 is a bottom view of Fig. 5, Fig. 7 is an explanatory diagram showing the conventional example, Fig. 8 is an explanatory diagram showing the waveform of ultrasound used for ultrasonic measurement, and Fig. 9 is the same as Fig. FIG. 2 is an explanatory diagram showing an example of a signal waveform T output from a transmitting circuit and a waveform R of a received signal detected by a receiving circuit. 10... Main body case, 10A... Bulkhead, 10B
, 10C... Side wall, 11, 12... Ultrasonic transducer, 13, 14... Sound absorbing member, 20, 30... Guide horn.

Claims

[Claims for Utility Model Registration] (1) It has two ultrasonic transducers, one of which functions as a transmitter and the other functions as a receiver, and each of these ultrasonic transducers is connected through a partition wall. In the ultrasonic sensor device that is installed in the main body case, sound absorbing members are attached to both side walls and the partition wall for each of the ultrasonic transducers, and surrounding wall portions other than the side wall portions are removed. . An ultrasonic sensor device, wherein each of the ultrasonic transducers is equipped with an ultrasonic guide horn. (2) The ultrasonic sensor device according to claim 1, wherein the sound absorbing member of the partition wall is a sound absorbing member formed by laminating elastic foams having different expansion rates. (3) When setting the aperture size of the ultrasonic guide horn, the aperture size in the direction perpendicular to the side wall is made relatively large, and the aperture size in the direction parallel to the side wall is made relatively small. An ultrasonic sensor device according to claim 1 of the utility model registration claim.