JPS63101881U

JPS63101881U -

Info

Publication number: JPS63101881U
Application number: JP19613986U
Authority: JP
Priority date: 1986-12-20
Filing date: 1986-12-20
Publication date: 1988-07-02

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例にかかる超音波検
知装置の一部切欠側面図、第２図は同正面図、第
３図は同斜視図、第４図乃至第７図各イは同装置
による検知エリアの調節、変更作用を説明するた
めの側面図、各ロは同正面図、第８図は本考案の
第２実施例にかかる超音波検知装置の一部切欠側
面図、第９図は正面図、第１０図は同平面図、第
１１図は同斜視図、第１２図は第８図の一部拡大
図、第１３図および第１４図は第２実施例装置に
よる検知エリアの調節、変更作用を説明するため
の側面図、第１５図は本考案の第３実施例にかか
る超音波検知装置の一部切欠側面図、第１６図は
同正面図である。１…ケーシング、８…発、受信口、９…超音波
マイクロホン、１２…ホーン、１３…ホーンの開
口部、１４…ホーン取付用のホーンの係合部、１
５…同ケーシングのホーン取付溝、１６…ホーン
、１７…ホーン本体、１８…シヤツタ、１８ａ，
１８ｂ…一対のシヤツタ片、２２…ホーンの開口
部。 FIG. 1 is a partially cutaway side view of an ultrasonic detection device according to a first embodiment of the present invention, FIG. 2 is a front view of the same, FIG. 3 is a perspective view of the same, and each of FIGS. A side view for explaining the adjustment and changing effect of the detection area by the device, each row is a front view of the same, FIG. 8 is a partially cutaway side view of the ultrasonic detection device according to the second embodiment of the present invention, 9 is a front view, FIG. 10 is a plan view, FIG. 11 is a perspective view, FIG. 12 is a partially enlarged view of FIG. 8, and FIGS. 13 and 14 are detection by the device of the second embodiment. FIG. 15 is a partially cutaway side view of an ultrasonic detection device according to a third embodiment of the present invention, and FIG. 16 is a front view of the same. DESCRIPTION OF SYMBOLS 1...Casing, 8...Emitting, receiving port, 9...Ultrasonic microphone, 12...Horn, 13...Horn opening, 14...Horn engaging part for horn attachment, 1
5... Horn mounting groove of the same casing, 16... Horn, 17... Horn body, 18... Shutter, 18a,
18b... A pair of shutter pieces, 22... Horn opening.

Claims

[Scope of Claim for Utility Model Registration] 1. A casing in which an ultrasonic microphone that emits and receives ultrasonic waves is provided, and a horn with an opening for passing ultrasonic waves is removably provided on the front side of the ultrasonic microphone. An ultrasonic detection device characterized by: 2. The ultrasonic detection device according to claim 1, wherein the horn is attached to the casing so as to be rotatable about its central axis. 3. The ultrasonic detection device according to claim 1, wherein the horn has a shutter that can adjust the opening amount of the opening. 4. The ultrasonic detection device according to claim 3, wherein the shutter is comprised of a pair of shutter pieces so that the opening amount of the horn opening can be adjusted separately from both sides.