KR100259254B1 - Apparatus for measuring acoustic intensity of automobile intake manifold - Google Patents

Apparatus for measuring acoustic intensity of automobile intake manifold Download PDF

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Publication number
KR100259254B1
KR100259254B1 KR1019970079631A KR19970079631A KR100259254B1 KR 100259254 B1 KR100259254 B1 KR 100259254B1 KR 1019970079631 A KR1019970079631 A KR 1019970079631A KR 19970079631 A KR19970079631 A KR 19970079631A KR 100259254 B1 KR100259254 B1 KR 100259254B1
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South Korea
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sound
measuring
intensity
thin film
suction hose
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KR1019970079631A
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Korean (ko)
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KR19990059430A (en
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서강혁
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정몽규
현대자동차주식회사
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: A device for measuring a sound intensity of an intake system of a car is provided to reduce noise of the intake system by electronically measuring the sound intensity at an end part of an air inhale hose. CONSTITUTION: A device for measuring sound intensity of an intake system of the car includes an air inhale hose(20) having a discharge hole connected to a throttle body(10), a thin film(30) mounted on an end part of the air inhale hose in a flat plate type, a sound detecting part(40) mounted on the outside of the air inhale hose on which the thin film is mounted, detecting the sound and outputting the corresponding data, and an intensity measuring part(50) comparing data output from the sound detecting part with set data, measuring sound intensity and displaying the measured sound intensity.

Description

차량 흡기계의 음향 강도 측정 장치Sound Intensity Measurement Device of Vehicle Intake Machine

본 발명은 차량 흡기계의 음향 강도 측정 장치에 관한 것으로서, 보다 상세하게는 에어 흡입호스로 유입되어 스로틀 보디로 공급되기 전의 음향강도를 전자적으로 정확한 음향을 측정하여 흡기계의 소음을 개선할 수 있는 차량 흡기계의 음향 강도 측정 장치에 관한 것이다.The present invention relates to a device for measuring the sound intensity of a vehicle intake machine, and more particularly, to accurately measure the acoustic intensity of the sound intensity before flowing into the air intake hose and supplied to the throttle body to improve the noise of the intake machine. A sound intensity measuring apparatus for a vehicle intake machine.

일반적으로 스로틀보디와 연결되어 있는 흡기계의 에어 흡입용 호스(덕트)의 음향을 측정하는 방법으로는 상기 에어 흡입용 호스의 토출구에서 토출음을 측정하여 음향 강도를 유추하므로 흡기계의 음향강도를 정확하게 측정할 수 없으며, 또한 측정하는데 있어서 많은 시간과 인력이 소비되는 문제점이 있었다.In general, a method of measuring the sound of the air suction hose (duct) of the intake machine connected to the throttle body is to infer the sound intensity by measuring the discharge sound from the discharge port of the air suction hose, so the sound intensity of the intake machine is increased. There is a problem that can not measure accurately, and also consumes a lot of time and manpower in the measurement.

따라서, 본 발명은 상기와 같은 제반 결점을 해소하기 위하여 창출한 것으로서, 본 발명의 목적은 에어 흡입호스의 종단부에서 음향 강도를 전자적으로 측정하여 정확한 음향을 측정하여 흡기계의 소음을 개선할 수 있는 차량 흡기계의 음향 강도 측정 장치를 제공하는데 있다.Therefore, the present invention has been created to solve the above-mentioned shortcomings, and an object of the present invention is to measure the sound intensity electronically at the end of the air intake hose and to accurately measure the sound to improve the noise of the intake machine. The present invention provides a sound intensity measuring apparatus for a vehicle intake machine.

상기의 목적을 달성하기 위하여 본 발명에 의한 차량 흡기계의 음향 강도 측정 장치는, 스로틀 보디에 그 토출구가 결합되는 에어 흡입용 호스와, 상기 에어 흡입용 호스의 종단부에 평판형으로 설치되어 있는 박막과, 상기 박막이 설치된 에어 흡입용 호스의 외부에 설치되어 음향 감지하여 이에 해당된 데이터를 출력하는 음향 감지부와, 상기 음향 감지부에서 출력되는 데이터와 설정되어 있는 데이터를 비교 판단하여 음향 강도를 측정하고 이를 표시하는 강도 측정부로 구성되어 이루어진 것이다.In order to achieve the above object, the acoustic intensity measurement apparatus for a vehicle intake machine according to the present invention includes an air suction hose to which a discharge port is coupled to a throttle body, and a flat plate is provided at an end portion of the air suction hose. Sound intensity by comparing and determining the thin film, the sound sensing unit installed on the outside of the air suction hose in which the thin film is installed, and outputting the corresponding data, and the data output from the sound sensing unit and the set data It consists of a strength measuring unit for measuring and displaying this.

도 1 은 본 발명에 따른 차량 흡기계의 음향 강도 측정 장치를 나타낸 도면.1 is a view showing a sound intensity measuring apparatus of a vehicle intake machine according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10...스로틀 보디 20...에어 흡입 호스10 throttle body 20 air suction hose

30...윈도우 40...음향 감지부30 ... Windows 40 ... Sound Detector

50...강도 측정부50 strength measurement unit

이하, 예시된 도면을 참조하여 본 발명을 더욱 상세히 설명한다.Hereinafter, the present invention will be described in more detail with reference to the illustrated drawings.

도 1은 본 발명에 따른 장치를 나타낸 도면으로서, 에어 흡입용 호스(20)의 토출구는 스로틀 보디(10)의 흡입구에 결합되어 있으며, 박막(30)은 상기 에어 흡입용 호스(20)의 종단부에 평판형으로 설치되어 있다.1 shows a device according to the invention, wherein the outlet of the air suction hose 20 is coupled to the inlet of the throttle body 10, and the thin film 30 is terminated at the end of the air suction hose 20. It is installed in the flat plate type.

여기서, 상기 박막(30)은 후술하는 음향 감지부(40)가 음향을 용이하게 감지할 수 있도록 하는 일종의 창으로, 투명하거나 그렇지 않은 재질에 상관없이 흡입용 호스(20)를 통과하는 유체의 흐름에 의해 음파의 진동이 전달가능한 것이면 어떠한 재질로도 제작하여 사용할 수 있다.Here, the thin film 30 is a kind of window that allows the sound sensing unit 40 to be described later to easily detect sound, and the flow of the fluid passing through the suction hose 20 irrespective of a transparent or otherwise material. If the vibration of the sound wave can be transmitted by any material can be manufactured and used.

또한, 박막(30)은 흡입용 호스(20)로부터 음파의 진동이 전달되도록 설치하는 형태에 있어서도 여러가지로 다양하게 설치하여 사용할 수 있는데, 본 발명의 바람직한 구현예에서는 상기 박막(30)을 평판형태로 제작하여 음향 감지부(40)가 이 박막(30)에 대하여 수직으로 설치되어 보다 정확한 음향정보를 얻을 수 있도록 하는 것이 바람직하다.In addition, the thin film 30 can be used in various ways in the form of the installation so that the vibration of the sound wave is transmitted from the suction hose 20, in the preferred embodiment of the present invention, the thin film 30 in a flat form It is desirable that the sound sensing unit 40 is manufactured perpendicularly to the thin film 30 so as to obtain more accurate sound information.

즉, 상기 박막(30)은 흡입용 호스(20)를 통과하는 유체의 음향진동에 비례하여 떨림이 생기는 재질로 제작하게 되며, 특히 상기 음향감지부(40)에서 음향을 보다 정확하게 측정할 수 있도록 하기 위해 평판 형태로 형성하여 흡기용 호스(20)에 장착하여 사용하게 되는 것이다.That is, the thin film 30 is made of a material in which vibration occurs in proportion to the acoustic vibration of the fluid passing through the suction hose 20, and in particular, the sound detection unit 40 can more accurately measure the sound. In order to form a flat plate to be mounted on the intake hose 20 to be used.

한편, 음향 감지부(40)는 상기 박막(30)이 설치된 에어 흡입용 호스(20)의 외부에 수직으로 설치되어 음향 감지하여 이에 해당된 데이터를 출력하도록 구성되어 있으며, 강도 측정부(50)는 상기 음향 감지부(40)에서 출력되는 데이터와 설정되어 있는 데이터를 비교 판단하여 음향 강도를 측정하고 이를 표시하도록 구성되어 있다.On the other hand, the sound detection unit 40 is installed vertically to the outside of the air suction hose 20 is installed the thin film 30 is configured to detect the sound and output the data corresponding thereto, the strength measurement unit 50 Is configured to measure and display the sound intensity by comparing and determining the data output from the sound sensing unit 40 with the set data.

여기서, 상기 음향감지부(40)는 음향(음파)의 진동을 감지하는데 사용되는 마이크로폰(microphone)을 사용하고 있으며, 통상의 마이크로폰은 음향(음파)를 전기적인 신호로 변환시켜주고 이것을 전류나 전압으로 변환하는 기술은 이미 잘 알려져 있어 여기에서는 더이상 언급하지 않기로 한다.Here, the sound detection unit 40 uses a microphone (microphone) used to detect the vibration of the sound (sound wave), the conventional microphone converts the sound (sound wave) into an electrical signal and this is a current or voltage The technique for converting to is already well known and will not be discussed here.

상기와 같은 구성을 가진 본 발명의 장치를 이용하여 흡기계의 음향 각도를 측정하는 과정을 상세히 기술하면 다음과 같다.Referring to the process of measuring the acoustic angle of the intake machine using the apparatus of the present invention having the above configuration in detail as follows.

차량의 스로틀 보디(10)에 결합되는 에어 흡입용 호스(20)의 토출구 종단부에 도 1 에 도시된 바와 같이 평판형으로 형성된 박막(30)을 설치한 상태에서 상기 스로틀 보디(10)와 에어 흡입용 호스(20)를 결합한 상태에서 공기가 흡입될 때 발생하는 소음이 박막(30)을 통해 호스 외부로 전달된다.As shown in FIG. 1, the throttle body 10 and the air are installed in a state in which a thin film 30 formed in a flat shape is installed at an end of an outlet of an air suction hose 20 coupled to a throttle body 10 of a vehicle. Noise generated when air is sucked in a state in which the suction hose 20 is coupled is transmitted to the outside of the hose through the thin film 30.

상기와 같이 박막(30)을 통해 소음이 에어 흡입용 호스(20) 외부로 전달되면, 상기 박막(30)이 설치된 에어 흡입용 호스(20)의 외부에 있는 마이크로 폰, 즉 음향 감지부(40)가 소음 레벨을 감지하여 이에 해당된 데이터를 강도 측정부(50)에 공급한다.When the noise is transmitted to the outside of the air intake hose 20 through the thin film 30 as described above, the microphone, that is, the sound sensing unit 40 outside the air intake hose 20 in which the thin film 30 is installed. ) Detects the noise level and supplies the corresponding data to the intensity measuring unit 50.

상기 강도 측정부(50)는 음향 감지부(40)에서 출력되는 데이터와 설정되어 있는 데이터를 비교 판단하여 음향 강도를 측정하고 이를 표시하여 흡기계의 음향 소음을 정확하게 측정하고 이를 표시한다.The intensity measuring unit 50 compares and judges the data output from the sound sensing unit 40 with the set data to measure the sound intensity, and displays it to accurately measure and display the acoustic noise of the intake machine.

상술한 본 발명에 의하면, 에어 흡입용 호스의 종단부에 박막을 설치하고, 이를 통해 전달되는 흡기계의 음향 강도를 전자적으로 측정하여 표시하므로, 본 장치를 이용하여 소음이 개선된 흡기계를 개발할 수 있는 효과가 있다.According to the present invention described above, since a thin film is installed at the end of the air suction hose and electronically measured and displayed the acoustic intensity of the intake machine delivered through this, it is possible to develop an intake machine with improved noise using this apparatus. It can be effective.

Claims (1)

스로틀 보디에 그 토출구가 결합되는 에어 흡입용 호스와,An air suction hose having its discharge port coupled to a throttle body, 상기 에어 흡입용 호스의 종단부에 평판형으로 설치되어 있는 박막과,A thin film provided in a flat plate at an end portion of the air suction hose, 상기 박막이 설치된 에어 흡입용 호스의 외부에 설치되어 음향 감지하여 이에 해당된 데이터를 출력하는 음향 감지부와,An acoustic sensing unit installed outside the air suction hose in which the thin film is installed, and configured to sense sound and output data corresponding thereto; 상기 음향 감지부에서 출력되는 데이터와 설정되어 있는 데이터를 비교 판단하여 음향 강도를 측정하고 이를 표시하는 강도 측정부로 구성된 것을 특징으로 하는 차량 흡기계의 음향 강도 측정 장치.And an intensity measuring unit for measuring and displaying the sound intensity by comparing and determining the data output from the sound sensing unit with the set data.
KR1019970079631A 1997-12-30 1997-12-30 Apparatus for measuring acoustic intensity of automobile intake manifold KR100259254B1 (en)

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KR1019970079631A KR100259254B1 (en) 1997-12-30 1997-12-30 Apparatus for measuring acoustic intensity of automobile intake manifold

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Application Number Priority Date Filing Date Title
KR1019970079631A KR100259254B1 (en) 1997-12-30 1997-12-30 Apparatus for measuring acoustic intensity of automobile intake manifold

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KR19990059430A KR19990059430A (en) 1999-07-26
KR100259254B1 true KR100259254B1 (en) 2000-06-15

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