KR950019149A - Intake Sound Measuring Device of Engine - Google Patents

Intake Sound Measuring Device of Engine Download PDF

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Publication number
KR950019149A
KR950019149A KR1019930028831A KR930028831A KR950019149A KR 950019149 A KR950019149 A KR 950019149A KR 1019930028831 A KR1019930028831 A KR 1019930028831A KR 930028831 A KR930028831 A KR 930028831A KR 950019149 A KR950019149 A KR 950019149A
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KR
South Korea
Prior art keywords
sound
intake
sound wave
engine
measuring device
Prior art date
Application number
KR1019930028831A
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Korean (ko)
Other versions
KR0162888B1 (en
Inventor
이필기
Original Assignee
전성원
현대자동차 주식회사
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Publication date
Application filed by 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019930028831A priority Critical patent/KR0162888B1/en
Publication of KR950019149A publication Critical patent/KR950019149A/en
Application granted granted Critical
Publication of KR0162888B1 publication Critical patent/KR0162888B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Engines (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

이 발명은 엔진의 흡기음 측정장치에 관한 것으로 흡기계통 각부의 음파 왜곡정도로부터 흡기음의 발생부위 및 소음크기를 측정함으로써 흡기계통내의 흡기음 발생부위 및 발생정도를 정확히 파악하도록 하기 위하여, 에어덕트부 내에 설치하여 원하는 주파수의 음파를 발생시키기 위한 음파발생기(1,2)와 : 에어 클리너부, 드로틀 보디부, 서지탱크부 등의 흡기계통 각부에 설치되어 상기 음파 발생기에 의해 발생된 음파가 흡기계통 각부를 통과하면서 왜곡되는 정도를 전기신호로 검출하기 위한 음파 센싱부(31,32,33)와: 상기 음파 센싱부에서 검출된 전기신호를 신호처리를 위한 레벨로 증폭하기 위한 증폭기(4)와: 상기 증폭기(4)를 통해 입력된 음파신호의 파형을 표시하여 음파 발생기(1,2)의 신호파형과 비교할수 있도록 하는 오실로스코프(5)로 구성되어져 동작하는 엔진의 흡기음 측정장치에 관한 것이다.The present invention relates to a device for measuring the intake sound of an engine, in order to accurately grasp the intake sound generating portion and the degree of occurrence of the intake sound in the intake cylinder by measuring the generation portion and the noise size of the intake sound from the degree of sound wave distortion of each part of the intake cylinder, Sound wave generators 1 and 2, which are installed in the unit and generate sound waves of a desired frequency, are installed in each of the intake cylinders such as the air cleaner unit, the throttle body unit, the surge tank unit, and the like. Sound wave sensing units 31, 32, and 33 for detecting the degree of distortion while passing through the system parts, and: An amplifier 4 for amplifying the electrical signal detected by the sound wave sensing unit to a level for signal processing. And an oscilloscope (5) which displays the waveform of the sound wave signal input through the amplifier (4) and compares it with the signal waveforms of the sound wave generators (1, 2). It relates to the measurement of the intake sound of the engine operation adjuster device.

Description

엔진의 흡기음 측정장치Intake Sound Measuring Device of Engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 발명의 실시예에 따른 엔진의 흡기음 측정장치가 장착된 구조를 도시한 구성 블록도이다.1 is a block diagram showing a structure in which the intake sound measuring device of the engine according to an embodiment of the present invention is mounted.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 주파수 발생기 2 : 스피커1: frequency generator 2: speaker

31,32,33 : 리시버 4 : 증폭기31,32,33 Receiver 4: Amplifier

5 : 오실로스코프 6 : 컴퓨터5: oscilloscope 6: computer

7 : 프린터7: printer

Claims (4)

에어덕트부 내에 설치하여 원하는 주파수의 음파를 발생시키기 위한 음파 발생기(1,2)와: 에어 클리너부, 드로틀 보디부, 서지탱크부 등의 흡기계통 각부에 설치되어 상기 음파 발생기에 의해 발생된 음파가 흡기계통 각부를 통과하면서 왜곡되는 정도를 전기신호로 검출하기 위한 음파 센싱부(31,32,33)와: 상기 음파 센싱부에서 검출된 전기신호를 신호처리를 위한 레벨로 증폭하기 위한 증폭기(4)와: 상기 증폭기(4)를 통해 입력된 음파신호의 파형를 표시하여 음파 발생기(1,2)의 신호파형과 비교할수 있도록 하는 오실로스코프(5)로 구성되어짐을 특징으로 하는 엔진의 흡기음 측정장지.Sound wave generators 1 and 2, which are installed in the air duct part and generate sound waves of a desired frequency, are provided in the respective parts of the intake cylinder such as the air cleaner part, the throttle body part, and the surge tank part, and are generated by the sound wave generator. And sound wave sensing units 31, 32, and 33 for detecting the degree of distortion as the electrical signal passes through the intake pipes, and an amplifier for amplifying the electric signal detected by the sound wave sensing unit to a level for signal processing. 4) and: Intake sound measurement of the engine, characterized in that it consists of an oscilloscope (5) to display the waveform of the sound wave signal input through the amplifier (4) and to compare with the signal waveform of the sound wave generator (1,2) Zhangji. 제1항에 있어서, 상기한 음파 발생기(1,2)는 주파수 및 크기가 사용자에 의해 조정가능한 정현파를 비롯한 다양한 파형의 전기신호를 생성하기 위한 주파수 발생기(1)와: 상기 주파수 발생기(1)에서 출력된 전기신호로부터 지정된 주파수 및 크기를 갖는 음파를 생성하기 위한 스피커(2)로 이루어짐을 특징으로 하는 엔진의 흡기음 측정장치.2. The sound wave generator (1,2) according to claim 1, comprising: a frequency generator (1) for generating electrical signals of various waveforms, including sinusoids whose frequency and magnitude are adjustable by a user: the frequency generator (1) Intake sound measuring device of the engine, characterized in that consisting of a speaker (2) for generating sound waves having a specified frequency and magnitude from the electrical signal output from. 제1항에 있어서, 상기한 엔진의 흡기음 측정장치는 오실로스코프(5)에서 표시되는 측정된 신호파형을 기록 및 인쇄하기 위하여 프린터(7)가 연결된 컴퓨터(6)가 오실로스코프(5)에 연결됨을 특징으로 하는 엔진의 흡기음 측정장치.The apparatus of claim 1, wherein the intake sound measuring device of the engine is connected to the oscilloscope 5 by a computer 6 to which the printer 7 is connected in order to record and print the measured signal waveform displayed on the oscilloscope 5. An intake sound measuring device of an engine. 제1항에 있어서, 상기한 음파 센싱부(31,32,33)는 마이크와 동일한 동작특성을 갖는 리시버로 구성됨을 특징으로 하는 엔진의 흡기음 측정장치.The intake sound measuring apparatus of claim 1, wherein the sound wave sensing unit (31, 32, 33) comprises a receiver having the same operation characteristic as that of the microphone. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930028831A 1993-12-21 1993-12-21 Measuring device for noise of sucked air for engine KR0162888B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930028831A KR0162888B1 (en) 1993-12-21 1993-12-21 Measuring device for noise of sucked air for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930028831A KR0162888B1 (en) 1993-12-21 1993-12-21 Measuring device for noise of sucked air for engine

Publications (2)

Publication Number Publication Date
KR950019149A true KR950019149A (en) 1995-07-22
KR0162888B1 KR0162888B1 (en) 1999-05-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930028831A KR0162888B1 (en) 1993-12-21 1993-12-21 Measuring device for noise of sucked air for engine

Country Status (1)

Country Link
KR (1) KR0162888B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10573290B2 (en) 2018-06-18 2020-02-25 Hyundai Motor Company Virtual engine sound system for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10573290B2 (en) 2018-06-18 2020-02-25 Hyundai Motor Company Virtual engine sound system for vehicle

Also Published As

Publication number Publication date
KR0162888B1 (en) 1999-05-01

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