JPS60189872U

JPS60189872U - ultrasonic sensor

Info

Publication number: JPS60189872U
Application number: JP7791784U
Authority: JP
Inventors: 博小林; 大林　博明
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図は従来の超音波センサの構成を示すブロック図、
第２図はその入出力信号を示す波形図、第３図は本考案
−実施例の構造を示す断面図、第４図は同実施例におけ
る発熱体の構造を示す断面図、第５図は同実施例におけ
る制御回路の構成を示すブロック図、第６図は本考案の
他の実施例の構造を示す断面図、第７図は同実施例にお
けるイ　　　　′ンシュレータと電極を示す断面図、第
８図は第７図の平面図である。２・・・超音波送波器、３・・・超音波受波器、１１゜
２８・・・ケース、１６．１７・・・発熱体、１８・・
・基体、１９・・・発熱抵抗体、２４・・・外気温セン
サ、２５・・・通電回路、２９．３０・・・インシュレ
ータ（発′熱抵抗体）。／４　　ｆｆ　　　　１５第４図ノ／りFigure 1 is a block diagram showing the configuration of a conventional ultrasonic sensor.
Fig. 2 is a waveform diagram showing the input/output signals, Fig. 3 is a sectional view showing the structure of the present invention-embodiment, Fig. 4 is a sectional view showing the structure of the heating element in the same embodiment, and Fig. 5 is 6 is a block diagram showing the structure of the control circuit in the same embodiment, FIG. 6 is a sectional view showing the structure of another embodiment of the present invention, FIG. 7 is a sectional view showing the insulator and electrode in the same embodiment, FIG. 8 is a plan view of FIG. 7. 2...Ultrasonic transmitter, 3...Ultrasonic receiver, 11°28...Case, 16.17...Heating element, 18...
- Base body, 19... Heat generating resistor, 24... Outside temperature sensor, 25... Energizing circuit, 29.30... Insulator (heat generating resistor). /4 ff 15 Figure 4/ri

Claims

[Claims for Utility Model Registration] 1. An ultrasonic sensor that transmits and receives ultrasonic signals using an ultrasonic transmitter and receiver, comprising: a case that accommodates the ultrasonic transmitter and receiver; and a conductive device provided in the case. What is claimed is: 1. An ultrasonic sensor comprising: a heat-generating resistor; and energizing means for energizing the heat-generating resistor. 2. A request for registration of a utility model characterized in that the case is provided with a horn for imparting directivity in the transmission and reception direction of ultrasonic signals, and the front-charging heat distribution resistor is provided on the horn. The ultrasonic sensor according to item 1. 3. The ultrasonic wave according to claim 1 of the registered utility model, characterized in that the heating resistor is an insulator made of a conductive elastic body interposed between the ultrasonic transmitter, the receiver, and the case. sensor.