JPH02105124U - - Google Patents

Info

Publication number
JPH02105124U
JPH02105124U JP1337190U JP1337190U JPH02105124U JP H02105124 U JPH02105124 U JP H02105124U JP 1337190 U JP1337190 U JP 1337190U JP 1337190 U JP1337190 U JP 1337190U JP H02105124 U JPH02105124 U JP H02105124U
Authority
JP
Japan
Prior art keywords
ultrasonic
liquid
transmitter
receiver
stopper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1337190U
Other languages
Japanese (ja)
Other versions
JPH0339697Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990013371U priority Critical patent/JPH0339697Y2/ja
Publication of JPH02105124U publication Critical patent/JPH02105124U/ja
Application granted granted Critical
Publication of JPH0339697Y2 publication Critical patent/JPH0339697Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は超音波を利用して液面レベルを検出す
る従来装置を説明するために挙げた概略図、第２
図は本考案の一実施例による液面レベルセンサを
タンクに取り付けた態様を示し、Ａはその縦断正
面図、ＢはＡ図イ―イ線に沿つて断面とした平面
図、第３図及び第４図は本考案の他の実施例を示
すものであり、第３図は栓体内部を防水塗料で埋
めた防水構造型の液面レベルセンサの縦断正面図
、第４図は第１弾性部材及び第２弾性部材相等部
分を保持体と一体的に形成した防水構造型の液面
レベルセンサの縦断正面図、第５図は本考案の動
作を説明するために挙げた概略図で、Ａは液面が
所定レベルライン以上にある状態、Ｂは液面が所
定レベルライン以下にある状態を示す。 １；栓体、２；超音波送波器、２１ａ；送波面
、３；超音波受波器、３１ａ；受波面、４；保持
体、５；第１（又は第２）弾性部材、６；第２（
又は第１）弾性部材、ｌ；液体、ｌ１；液面、ｌ
２；レベルライン、ｔ：タンク、ｓ；センサ取付
け用部材、ＳＰ；レベルセンサ。 Figure 1 is a schematic diagram used to explain a conventional device that detects liquid level using ultrasonic waves.
The figures show a mode in which a liquid level sensor according to an embodiment of the present invention is attached to a tank, where A is a longitudinal sectional front view, B is a plan view taken in section along the line E-I in Fig. A, and Figs. Fig. 4 shows another embodiment of the present invention, Fig. 3 is a longitudinal cross-sectional front view of a liquid level sensor with a waterproof structure in which the inside of the plug is filled with waterproof paint, and Fig. 4 shows the first elastic FIG. 5 is a longitudinal cross-sectional front view of a liquid level sensor with a waterproof structure in which the member and the second elastic member are integrally formed with the holder, and FIG. 5 is a schematic diagram for explaining the operation of the present invention. B indicates a state in which the liquid level is above the predetermined level line, and B indicates a state in which the liquid level is below the predetermined level line. 1; Plug body, 2; Ultrasonic transmitter, 21a; Wave transmitting surface, 3; Ultrasonic wave receiver, 31a; Wave receiving surface, 4; Holding body, 5; First (or second) elastic member, 6; Second (
or 1st) elastic member, l; liquid, l 1 ; liquid level, l
2 : Level line, t: Tank, s: Sensor mounting member, SP: Level sensor.

Claims (1)

【実用新案登録請求の範囲】 液体を収納したタンクの底壁面に設けられたセ
ンサ取付け用部材に液密に嵌合する栓体に、超音
波パルスを放射する防水構造の超音波送波器と、
放射された超音波パルスに応動して電気信号を生
じる同じく防水構造の超音波受波器とを、これら
の送波面と受波面が所定の距離を隔てて互いに対
向するように、前記超音波送波器及び超音波受波
器の一方を第１弾性部材を介して、その他方を前
記栓体に取付けられた保持体に配置される第２弾
性部材を介して保持し、 前記栓体をタンクのセンサ取付け部材に嵌合し
たとき、超音波送波器と受波器が液体中にある検
知すべき液面レベルラインの上下に位置する如く
構成したことを特徴とする車両用超音波式液面レ
ベルセンサ。[Claim for Utility Model Registration] An ultrasonic transmitter with a waterproof structure that emits ultrasonic pulses to a stopper that liquid-tightly fits into a sensor mounting member provided on the bottom wall of a tank containing liquid; ,
The ultrasonic transmitter and the ultrasonic receiver, which also has a waterproof structure and generates an electrical signal in response to the emitted ultrasonic pulses, are connected to the ultrasonic transmitter and the ultrasonic receiver, which also has a waterproof structure. one of the wave transmitter and the ultrasonic wave receiver is held via a first elastic member, and the other is held via a second elastic member disposed on a holder attached to the stopper, and the stopper is attached to the tank. An ultrasonic liquid for a vehicle, characterized in that the ultrasonic wave transmitter and the ultrasonic wave receiver are positioned above and below a liquid level line to be detected in the liquid when fitted to the sensor mounting member. Surface level sensor.
JP1990013371U 1990-02-13 1990-02-13 Expired JPH0339697Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990013371U JPH0339697Y2 (en) 1990-02-13 1990-02-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990013371U JPH0339697Y2 (en) 1990-02-13 1990-02-13

Publications (2)

Publication Number Publication Date
JPH02105124U true JPH02105124U (en) 1990-08-21
JPH0339697Y2 JPH0339697Y2 (en) 1991-08-21

Family

ID=31223622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990013371U Expired JPH0339697Y2 (en) 1990-02-13 1990-02-13

Country Status (1)

Country Link
JP (1) JPH0339697Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019220588A1 (en) * 2018-05-17 2019-11-21 三菱電機株式会社 Ultrasonic sensor device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243456A (en) * 1975-10-02 1977-04-05 Honeywell Inc Liquid level detector
JPS52119857U (en) * 1976-03-08 1977-09-10
JPS5427748A (en) * 1977-08-03 1979-03-02 Toshiba Corp Bus control system of composite computer system
JPS5646429A (en) * 1979-09-25 1981-04-27 Toshiba Corp Liquid level detecting device of reactor
JPS5764724U (en) * 1980-10-03 1982-04-17
JPS57182126U (en) * 1981-05-12 1982-11-18

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243456A (en) * 1975-10-02 1977-04-05 Honeywell Inc Liquid level detector
JPS52119857U (en) * 1976-03-08 1977-09-10
JPS5427748A (en) * 1977-08-03 1979-03-02 Toshiba Corp Bus control system of composite computer system
JPS5646429A (en) * 1979-09-25 1981-04-27 Toshiba Corp Liquid level detecting device of reactor
JPS5764724U (en) * 1980-10-03 1982-04-17
JPS57182126U (en) * 1981-05-12 1982-11-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019220588A1 (en) * 2018-05-17 2019-11-21 三菱電機株式会社 Ultrasonic sensor device

Also Published As

Publication number Publication date
JPH0339697Y2 (en) 1991-08-21

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