JPS60189873U

JPS60189873U - ultrasonic sensor

Info

Publication number: JPS60189873U
Application number: JP7791884U
Authority: JP
Inventors: 赤津　洋介; 黒木　純輔; 菅沢　深
Original assignee: 日産自動車株式会社
Priority date: 1984-05-29
Filing date: 1984-05-29
Publication date: 1985-12-16

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の構造を示す断面図、第２図
は同実施例における制御回路の構成を示すブ遁ツク図、
第３図は制御回路内のマイクロコンピュータで実行され
る処理の一部を示すフローチャートである。１・・・超音波送波器、２・・・超音波受波器、３・・
・ケース、４，５・・・インシュレータ、６・・・緩ｉ
　部材、７・・・加振器、１１・・・マイクロコンピュ
ータ、１３・・・発振器、１７・・・時間差検出器、１
８・・・レベル検出器、２１・・・警告灯。FIG. 1 is a cross-sectional view showing the structure of an embodiment of the present invention, and FIG. 2 is a block diagram showing the configuration of a control circuit in the embodiment.
FIG. 3 is a flowchart showing part of the processing executed by the microcomputer in the control circuit. 1... Ultrasonic wave transmitter, 2... Ultrasonic wave receiver, 3...
・Case, 4, 5... Insulator, 6... Loose i
Member, 7... Exciter, 11... Microcomputer, 13... Oscillator, 17... Time difference detector, 1
8...Level detector, 21...Warning light.

Claims

[Claims for Utility Model Registration] 1. In a sonic sensor that transmits and receives ultrasonic signals using an ultrasonic transducer and detects an object distance based on the propagation time of the ultrasonic signals, the ultrasonic transducer comprises: An ultrasonic sensor characterized by being equipped with an excitation device that applies mechanical vibration to the device. 2. The ultrasonic sensor according to claim 1, wherein the vibration device is activated when the intensity of the received signal of the ultrasonic receiver becomes less than or equal to a predetermined value.