JPS62135300U

JPS62135300U -

Info

Publication number: JPS62135300U
Application number: JP2243986U
Authority: JP
Priority date: 1986-02-19
Filing date: 1986-02-19
Publication date: 1987-08-26
Also published as: JPH0445354Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の外観を示す斜視図
、第２図は第１図の―線断面図、第３図は第
１図に示す超音波トランスジユーサの分解斜視図
、第４図は第１図の―線断面図である。第５
ａ図は本考案の別の実施例による超音波トランス
ジユーサを装備した車両を示す斜視図、第５ｂ図
は第５図ａに示した別の実施例による超音波トラ
ンスジユーサの断面図である。第６図は従来の超
音波トランスジユーサの１つの縦断面図、第７ａ
図はこのトランスジユーサを装備した車両を示す
斜視図、第７ｂ図は第７ａ図に示すセンサベース
１２の横断面図である。第８ａ図は第６図に示す
超音波トランスジユーサを装備した他の車両を示
す斜視図、第８ｂ図は第８ａ図に示すセンサベー
ス１４の横断面図である。第９図は本考案による
超音波トランスジユーサを使用して測定した反射
波形を示す図である。１，１′：振動板（振動部材）、２：ピエゾ素
子（電気／振動電換素子）、３，５：電気リード
、４，６：端子ピン、７：金属キヤツプ、８：基
台、９：弾性材、１０：Ｏリング、１１：かしめ
リング溝、１２，１４：センサベース、ＢＲ：バ
ンパー、１３：弾性材、１５，１５′：鉄板（弾
性低い支持基板）、１６，１６′，２４：リベツ
ト、１７，１７′，２３：端子タブ、１８：樹脂
板（弾性部材）、１９：アルミ板（導電体板）、
２０：永久磁石、２１ａ，２１ｂ：モールド樹脂
、２２：電気リード通し穴、２５：固定プレート
。 FIG. 1 is a perspective view showing the appearance of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 3 is an exploded perspective view of the ultrasonic transducer shown in FIG. FIG. 4 is a sectional view taken along the line -- in FIG. 1. Fifth
Fig. 5a is a perspective view of a vehicle equipped with an ultrasonic transducer according to another embodiment of the present invention, and Fig. 5b is a sectional view of the ultrasonic transducer according to another embodiment shown in Fig. 5a. be. Fig. 6 is a vertical cross-sectional view of one of the conventional ultrasonic transducers;
The figure is a perspective view showing a vehicle equipped with this transducer, and FIG. 7b is a cross-sectional view of the sensor base 12 shown in FIG. 7a. FIG. 8a is a perspective view showing another vehicle equipped with the ultrasonic transducer shown in FIG. 6, and FIG. 8b is a cross-sectional view of the sensor base 14 shown in FIG. 8a. FIG. 9 is a diagram showing reflected waveforms measured using the ultrasonic transducer according to the present invention. 1, 1': Vibration plate (vibration member), 2: Piezo element (electricity/vibration electric conversion element), 3, 5: Electrical lead, 4, 6: Terminal pin, 7: Metal cap, 8: Base, 9 : Elastic material, 10: O-ring, 11: Caulking ring groove, 12, 14: Sensor base, BR: Bumper, 13: Elastic material, 15, 15': Steel plate (support substrate with low elasticity), 16, 16', 24 : Rivet, 17, 17', 23: Terminal tab, 18: Resin plate (elastic member), 19: Aluminum plate (conductor plate),
20: Permanent magnet, 21a, 21b: Molded resin, 22: Electric lead through hole, 25: Fixing plate.

Claims

[Claims for Utility Model Registration] A vibrating member having a cup-shaped vibrating space surrounding portion and a flat plate portion continuous to the vibrating space surrounding portion;
Vibration conversion element; Has an electrical lead through hole that penetrates in the thickness direction,
a support substrate with low elastic force that is bonded to the flat plate portion of the vibration member and substantially closes a vibration space around the electricity/vibration conversion element; an elastic member bonded to the outer surface of the support substrate; a conductive plate joined to the outer surface and grounded at one end; and, one end connected to the electrode of the electricity/vibration conversion element, passing through the electrical lead through hole and extending along the supporting substrate to the outside of the supporting substrate. An ultrasonic transducer comprising electrical leads extending outwardly from the side.