KR950030729A - Noise control device - Google Patents

Noise control device Download PDF

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Publication number
KR950030729A
KR950030729A KR1019940007079A KR19940007079A KR950030729A KR 950030729 A KR950030729 A KR 950030729A KR 1019940007079 A KR1019940007079 A KR 1019940007079A KR 19940007079 A KR19940007079 A KR 19940007079A KR 950030729 A KR950030729 A KR 950030729A
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KR
South Korea
Prior art keywords
noise
control
sound
generating means
dimensional space
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KR1019940007079A
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Korean (ko)
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KR0152110B1 (en
Inventor
김용우
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김광호
삼성전자 주식회사
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Priority to KR1019940007079A priority Critical patent/KR0152110B1/en
Publication of KR950030729A publication Critical patent/KR950030729A/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1281—Aircraft, e.g. spacecraft, airplane or helicopter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

본 발명은 소음제어장치에 관한 것으로, 제어수단과, 소음원으로부터 전달된 소음을 검출하여 소음레벨신호를 상기 제어수단으로 출력하는 소음검출수단과, 상기 제어수단으로부터 제어신호를 받아서 상기 소음원으로부터의 소음을 감쇄하는 제어음을 발생하는 제어음발생수단과, 상기 소음원으로부터 전달된 소음이 상기 제어음발생수단으로부터 발생된 제어음에 의해 감쇄된 결과의 오차음을 검출하여 오차음신호를 상기 제어수단으로 출력하는 오차음검출수단으로 이루어져서 밀폐된 3차원 공간 내의 소음을 능동소음제어방식에 의해 제어함으로써 자동차나 항공기의 운행의 연료비를 절감할 수 있고 운행성능을 향상할 수 있으며 자동차나 항공기의 제조비용을 감소할 수 있는 매우 뛰어난 효과가 있다.The present invention relates to a noise control device, comprising: control means, noise detection means for detecting noise transmitted from a noise source and outputting a noise level signal to the control means, and receiving a control signal from the control means and noise from the noise source. Control sound generating means for generating a control sound for attenuating the noise, and an error sound of a result of the noise transmitted from the noise source being attenuated by the control sound generated from the control sound generating means is detected and an error sound signal is sent to the control means. It is made up of error sound detection means to output the noise in the closed three-dimensional space by active noise control method, which can reduce the fuel cost of the operation of the car or aircraft, improve the driving performance, and reduce the manufacturing cost of the automobile or aircraft There is a very good effect that can be reduced.

Description

소음제어장치Noise control device

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

제1도는 본 발명의 제1실시예에 의한 소음제어장치의 구성도, 제2도는 본 발명의 제1실시예에 의한 소음제어 장치의 블록도, 제3도는 제2실시예에 의한 소음제어장치의 구성도.1 is a block diagram of a noise control device according to a first embodiment of the present invention, FIG. 2 is a block diagram of a noise control device according to a first embodiment of the present invention, and FIG. 3 is a noise control device according to a second embodiment. Configuration diagram.

Claims (7)

소음제어장치에 있어서, 제어수단, 소음원으로부터 전달된 소음을 검출하여 소음레벨신호를 상기 제어 수단으로 출력하는 소음검출수단과, 상기 제어수단으로부터 제어신호를 받아서 상기 소음원으로부터의 소음을 감쇄하는 제어음을 발생하는 제어음발생수단과, 상기 소음원으로부터 전달된 소음이 상기 제어음발생수단으로부터 발생 된 제어음에 의해 감쇄된 결과의 오차음을 검출하여 오차음 신호를 상기 제어수단으로 출력하는 오차음검출수단으로 이루어진 것을 특징으로 하는 소음제어장치.A noise control device comprising: a noise detecting means for detecting a noise transmitted from a control means, a noise source and outputting a noise level signal to the control means, and a control sound receiving a control signal from the control means and attenuating the noise from the noise source. Control sound generating means for generating an error, and error sound detection for detecting the error sound of the result of the noise transmitted from the noise source is attenuated by the control sound generated from the control sound generating means and outputs an error sound signal to the control means. Noise control device, characterized in that consisting of means. 제1항에 있어서, 상기 제어음발생수단은 상기 소음원으로부터의 소음과 크기가 같고 위상이 180° 다른 제어음을 발생하도록 상기 제어수단에 접속된 것을 특징으로 하는 소음제어장치.2. The noise control apparatus according to claim 1, wherein said control sound generating means is connected to said control means to generate a control sound having the same magnitude as the noise from said noise source and having a phase different from 180 degrees. 제1항에 있어서, 상기 소음검출수단은 밀폐된 3차원 공간내의 음압이 높은 곳의 소음을 검출하도록 밀폐된 3차원 공간 내의 음압이 높은 곳에 설치된 제1소음검출수단과, 진동원으로부터 발생된 진동과 소음원으로부터 발생된 소음을 검출하도록 진동원의 표면 및 소음원의 표면에 설치된 제2소음검출수단과, 밀폐된 3차원 공간의 진동이 용이한 특정 면에서의 진동을 검출하도록 밀폐된 3차원 공간의 진동이 용이한 특정 면의 외측에 설치된 제3소음검출수단으로 이루어진 것을 특징으로 하는 소음제어장치.The noise detection means according to claim 1, wherein the noise detection means comprises: first noise detection means installed in a high sound pressure position in a closed three-dimensional space to detect noise in a high sound pressure position in a closed three-dimensional space, and vibration generated from a vibration source. And second noise detecting means provided on the surface of the vibration source and the surface of the noise source to detect noise generated from the noise source and the noise source, and the closed three-dimensional space in the closed three-dimensional space. Noise control device, characterized in that made of a third noise detection means provided on the outside of a specific surface easy to vibration. 제1항에 있어서, 상기 제어음발생수단은 밀폐된 3차원 공간내의 소음을 감소하도록 밀폐된 3차원 공간내의 음압이 높은 곳에 설치된 제1제어음발생수단과, 밀폐된 3차원 공간의 진동이 용이한 특정면에서의 진동을 감쇄하도록 밀폐된 3차원 공간의 진동이 용이한 특정 면의 내측에 설치된 제2제어음발생수단으로 이루어진 것을 특징으로 하는 소음제어장치.The method of claim 1, wherein the control sound generating means is a first control sound generating means installed in a high sound pressure in the closed three-dimensional space to reduce the noise in the closed three-dimensional space and the vibration of the three-dimensional space is easy Noise control device comprising a second control sound generating means installed on the inside of the specific surface is easy to vibration in a closed three-dimensional space to attenuate the vibration in one specific surface. 제1항에 있어서, 상기 오차음검출수단은 상기 소음원으로부터 전달된 소음이 상기 제어음발생수단으로부터 전달된 소음이 상기 제어음발생수단으로부터 발생된 제어음에 의해 감쇄된 결과의 오차음을 밀폐된 3차원 공간 내의 음압이 높은곳 및 최저 소음레벨을 원하는 장소에서 검출하도록 밀폐된 3차원 공간내의 음압이 높은 곳 및 최저 소음 레벨을 원하는 장소에 설치된 제1오차음검출수단과, 상기 소음원으로부터 전달된 소음이 상기 제어음발생수단으로부터 발생된 제어음에 의해 감쇄된 결과의 오차음을 밀폐된 3차원 공간의 진동이 용이한 특정면에서 검출하도록 3차원 공간의 진동이 용이한 특정 면의 내측에 설치된 제2오차음검출수단으로 이루어진 것을 특징으로 하는 소음제어장치.The method of claim 1, wherein the error sound detecting means is a closed sound of the noise resulting from the noise transmitted from the noise source is attenuated by the control sound generated from the control sound generating means is a noise transmitted from the noise source First error sound detection means provided at a place with high sound pressure in a closed three-dimensional space and a place with a desired low noise level so as to detect a place with a high sound pressure in a three-dimensional space and a minimum noise level; Installed inside the specific surface where vibration of the three-dimensional space is easy to detect an error sound resulting from the noise attenuated by the control sound generated from the control sound generating means on a specific surface where vibration of the closed three-dimensional space is easy. Noise control device, characterized in that consisting of the second error sound detection means. 제1항에 있어서, 상기 소음검출수단과 제어음발생수단은 상기 소음검출수단의 위치로부터 상기 제어음발생수단의 위치까지 소음이 진행하는데 소요되는 시간이 상기 제어수단 및 주변전기회로에서 소음신호를 처리하는 시간보다 크거나 같도록 상호 이격된 것을 특징으로 하는 소음제어장치.The method of claim 1, wherein the noise detection means and the control sound generating means, the time required for the noise to proceed from the position of the noise detection means to the position of the control sound generating means is a noise signal in the control means and the peripheral electric circuit Noise control device, characterized in that spaced apart from each other to be greater than or equal to the processing time. 제1항에 있어서, 상기 제어음발생수단과 오차음발생수단은 상기소음원으로부터 전달된 소음이 상기 제어음발생수단으로부터 발생된 제어음에 의해 감쇄된 결과의 오차음이 상기 제어음발생수단의 위치로부터 상기오차음발생수단의 위치까지 진행하는데 소요되는 시간이 상기 제어수단에서 오차음신호를 처리하는 시간보다 크거나 같도록 상호 이격된 것을 특징으로 하는 소음제어장치.The control sound generating means according to claim 1, wherein the control sound generating means and the error sound generating means have an error sound as a result of the noise transmitted from the noise source being attenuated by the control sound generated from the control sound generating means. Noise control device, characterized in that spaced apart from each other so that the time required to proceed from the position of the error sound generating means to the greater than or equal to the time of processing the error sound signal in the control means. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019940007079A 1994-04-04 1994-04-04 Noise control apparatus KR0152110B1 (en)

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KR1019940007079A KR0152110B1 (en) 1994-04-04 1994-04-04 Noise control apparatus

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Application Number Priority Date Filing Date Title
KR1019940007079A KR0152110B1 (en) 1994-04-04 1994-04-04 Noise control apparatus

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KR950030729A true KR950030729A (en) 1995-11-24
KR0152110B1 KR0152110B1 (en) 1998-11-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022014748A1 (en) * 2020-07-16 2022-01-20 주식회사 리베라빗 Active noise cancelling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100768523B1 (en) * 2005-03-09 2007-10-18 주식회사 휴먼터치소프트 The Active Noise Control Method and Device using the Film Speakers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022014748A1 (en) * 2020-07-16 2022-01-20 주식회사 리베라빗 Active noise cancelling

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