KR970011314A - Active control device for turning noise of cooling fan of automobile - Google Patents

Active control device for turning noise of cooling fan of automobile Download PDF

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Publication number
KR970011314A
KR970011314A KR1019950027696A KR19950027696A KR970011314A KR 970011314 A KR970011314 A KR 970011314A KR 1019950027696 A KR1019950027696 A KR 1019950027696A KR 19950027696 A KR19950027696 A KR 19950027696A KR 970011314 A KR970011314 A KR 970011314A
Authority
KR
South Korea
Prior art keywords
cooling fan
control
signal
noise
vehicle
Prior art date
Application number
KR1019950027696A
Other languages
Korean (ko)
Other versions
KR0127550B1 (en
Inventor
이원구
한상욱
송진호
Original Assignee
한승준
기아자동차 주식회사
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 by 한승준, 기아자동차 주식회사 filed Critical 한승준
Priority to KR1019950027696A priority Critical patent/KR0127550B1/en
Publication of KR970011314A publication Critical patent/KR970011314A/en
Application granted granted Critical
Publication of KR0127550B1 publication Critical patent/KR0127550B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/12—Filtering, cooling, or silencing cooling-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/60—Operating parameters
    • F01P2025/64—Number of revolutions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2037/00—Controlling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F01P2070/10—Details using electrical or electromechanical means

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

본 발명은 자동차의 냉각팬 회전 소음 능동 제어 장치에 관한 것으로서 특히 자동차의 냉각팬의 회전 속도에 따른 일정한 주기의 제어음을 발생시켜 냉각팬 회전 소음의 발생을 방지할 수 있는 자동차의 냉각팬 회전 소음 능동 제어 장치에 관한 것이다.The present invention relates to an active control device for the cooling fan rotation noise of the vehicle, in particular to generate a constant cycle control sound according to the rotational speed of the cooling fan of the vehicle cooling fan rotation noise of the vehicle that can prevent the occurrence of the cooling fan rotation noise It relates to an active control device.

전술한 바와 같은 본 발명의 목적을 달성하기 위한 본 발명의 구성은 냉각팬의 회전을 검지하는 냉각팬 회전 센서, 상기 냉각팬 회전 센서의 출력이 인가될때 제어용 스피커에 신호를 출력하는 제어 수단, 상기의 제어 수단에서 신호가 인가될때 제어음파를 출력하는 제어용 스피커 및 상기의 제어용 스피커에서 발생시키는 제어음파와 냉각팬에서 발생되는 회전 소음의 합성에 의해 발생되는 에러 소음을 상기의 제어 수단에 피드백시키는 마이크로 폰을 포함하는 것을 특징으로 한다.The configuration of the present invention for achieving the object of the present invention as described above is a cooling fan rotation sensor for detecting the rotation of the cooling fan, control means for outputting a signal to the control speaker when the output of the cooling fan rotation sensor is applied, the The control speaker which outputs a control sound wave when a signal is applied from the control means of the control unit, and the micro-feedback of the error noise generated by the combination of the control sound wave generated by the control speaker and the rotation noise generated from the cooling fan to the control means. Characterized in that it comprises a phone.

Description

자동차의 냉각팬 회전 소음 능동 제어 장치Active control device for turning noise of cooling fan of automobile

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 자동차의 냉각팬 회전 소음 능동 제어 장치의 구성을 도시한 블럭도,1 is a block diagram showing the configuration of an active control device for cooling fan rotation noise of an automobile of the present invention;

제2도는 본 발명의 자동차의 냉각팬 회전 소음 능동 제어 장치의 제어 수단을 도시한 블럭도,2 is a block diagram showing the control means of the cooling fan rotation noise active control device of the vehicle of the present invention,

제3도는 본 발명의 자동차의 냉각팬 회전 소음 능동 제어 장치의 제어 수단의 작용을 도시한 블럭도.3 is a block diagram showing the action of the control means of the active control device for the cooling fan rotation noise of the present invention.

Claims (2)

자동차의 냉각팬 회전 소음 능동 제어 장치에 있어서, 상기의 자동차의 냉각팬 회전 소음 능동 제어 장치가 냉각팬의 회전을 검지하는 냉각팬 회전 센서, 상기 냉각팬 회전 센서의 출력이 인가될때 제어용 스피커에 신호를 출력하는 제어 수단, 상기의 제어 수단에서 신호가 인가될때 제어음파를 출력하는 제어용 스피커, 및 상기의 제어용 스피커에서 발생시키는 제어 음와 냉각팬에서 발생되는 회전 소음의 합성에 의해 발생되는 에러 소음을 상기의 제어 수단에 피드백시키는 마이크로 폰을 포함하는 것을 특징으로 하는 자동차의 냉각팬 회전 소음 능동 제어 장치.In the active control device for cooling fan rotation noise of a vehicle, the cooling fan rotation noise active control apparatus for the vehicle has a cooling fan rotation sensor for detecting rotation of the cooling fan, and a signal to a control speaker when the output of the cooling fan rotation sensor is applied. A control means for outputting a control signal, a control speaker for outputting a control sound wave when a signal is applied from the control means, and an error noise generated by a combination of control sound generated by the control speaker and rotation noise generated in the cooling fan. And a microphone for feeding back to the control means of the cooling fan active noise control device for a vehicle. 제1항에 있어서, 상기의 제어 수단은 상기의 마이크로 폰에서 인가되는 신호를 증폭하는 프리 앰프, 상기의 프리 앰프에서 출력되는 아날로그 신호를 필터링하는 저역 통과 필터, 상기의 저역 통과 필터의 아날로그 출력 신호를 디지탈 신호로 변환시키는 A/D컨버터, 상기의 A/D컨버터의 디지탈 출력 신호를 계산하는 디지탈 신호 처리부, 상기의 디지탈 신호 처리부의 디지탈 출력 신호를 아날로그 신호로 변환하는 D/A컨버터, 상기의 D/A컨버터의 아날로그 출력 신호를 필터링하는 저역 통과 필터, 및 상기의 저역 통과 필터의 출력 신호를 증폭하는 파워 앰프를 포함하는 것을 특징으로 하는 자동차의 냉각팬 회전 소음 능동 제어 장치.The analog output signal of claim 1, wherein the control means comprises: a preamplifier for amplifying a signal applied from the microphone; a low pass filter for filtering an analog signal output from the preamplifier; and an analog output signal of the low pass filter. A / D converter for converting a digital signal into a digital signal, a digital signal processor for calculating a digital output signal of the A / D converter, a D / A converter for converting a digital output signal of the digital signal processor to an analog signal, And a low pass filter for filtering the analog output signal of the D / A converter, and a power amplifier for amplifying the output signal of the low pass filter. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950027696A 1995-08-30 1995-08-30 Active controlling apparatus of cooling fan noise for a car KR0127550B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950027696A KR0127550B1 (en) 1995-08-30 1995-08-30 Active controlling apparatus of cooling fan noise for a car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950027696A KR0127550B1 (en) 1995-08-30 1995-08-30 Active controlling apparatus of cooling fan noise for a car

Publications (2)

Publication Number Publication Date
KR970011314A true KR970011314A (en) 1997-03-27
KR0127550B1 KR0127550B1 (en) 1998-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950027696A KR0127550B1 (en) 1995-08-30 1995-08-30 Active controlling apparatus of cooling fan noise for a car

Country Status (1)

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Also Published As

Publication number Publication date
KR0127550B1 (en) 1998-04-02

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