KR101262609B1 - Dash insulator for vehicle - Google Patents

Dash insulator for vehicle Download PDF

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Publication number
KR101262609B1
KR101262609B1 KR1020110131685A KR20110131685A KR101262609B1 KR 101262609 B1 KR101262609 B1 KR 101262609B1 KR 1020110131685 A KR1020110131685 A KR 1020110131685A KR 20110131685 A KR20110131685 A KR 20110131685A KR 101262609 B1 KR101262609 B1 KR 101262609B1
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South Korea
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panel
vehicle
dash
dash insulator
nonwoven
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KR1020110131685A
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Korean (ko)
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배기순
강창모
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기아자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/14—Dashboards as superstructure sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

PURPOSE: A dash insulator for a vehicle is provided to improve NVH and merchantable quality of the vehicle by efficiently absorbing the noise which is generated in the engine room and flows into the vehicle and improve the fuel economy with a light weight. CONSTITUTION: A dash insulator for a vehicle comprises an upper panel(2) and a lower panel(3). The upper panel comprises a panel structure in which an aluminum foil panel(2a), a polyurethane foam panel, a nonwoven fabric panel(3a) are successively overlapped as three layers. The lower panel comprises the panel structure in which the nonwoven fabric panel, a glass wool panel, and the nonwoven fabric panel are successively overlapped as three layers and is connected to the upper panel.

Description

차량용 대시 인슐레이터{Dash insulator for vehicle}Dash insulator for vehicle}

본 발명은 차량용 대시 인슐레이터에 관한 것으로, 특히 폴리우레탄 폼과 알루미늄 호일 및 글라스 울의 복합 이종 재질로 제작된 차량용 대시 인슐레이터에 관한 것이다.The present invention relates to a vehicle dash insulator, and more particularly to a vehicle dash insulator made of a composite heterogeneous material of polyurethane foam, aluminum foil and glass wool.

차량의 소음원은 엔진룸에서 설치된 엔진과 다른 구동 부품들의 작동 소음과, 차량의 주행 중에 발생하는 주행 소음 등이 있다.Noise sources of the vehicle include operating noise of the engine and other driving components installed in the engine room, and driving noise generated while driving the vehicle.

최근 차량의 상품성이 대두되면서 차량의 소음을 줄이기 위한 여러 가지 방안이 마련되고 있는 데, 상기 엔진룸에서 발생하는 소음을 근본적으로 저감시키는 방안과, 엔진룸에서 발생되는 소음이 차실 내부로 유입되는 것을 흡수하여 저감시키는 방안 등이 있다.Recently, as the commercialization of the vehicle has emerged, various measures are being prepared to reduce the noise of the vehicle. A method of fundamentally reducing the noise generated in the engine room and the noise generated in the engine room are introduced into the interior of the cabin. Absorption and a reduction are mentioned.

상기 엔진룸에서 발생되는 소음이 차실 내부로 유입될 때에 이를 중간에서 흡수하여 저감시키는 방안으로서, 차체의 일부를 구성하면서 엔진룸과 차실 내부를 구분지우는 대시 패널에 흡음재 역할을 하는 대시 인슐레이터가 설치되고 있다.When the noise generated in the engine room is introduced into the interior of the vehicle, it is absorbed and reduced in the middle. A dash insulator is formed on the dash panel that forms a part of the vehicle body and separates the engine room from the interior of the vehicle. have.

종래의 대시 인슐레이터는 흡음성과, 성형성, 설치 작업성 및 중량 등을 고려하여 글라스 울 혹은 알루미늄 호일의 단독 재질로 제작되고 있지만, 글라스 울은 중량이 무거운 단점이 있었고, 알루미늄 호일은 성형성 및 적용성이 양호하지 못한 결점이 있었다.
Conventional dash insulators are made of glass wool or aluminum foil alone in consideration of sound absorption, formability, installation workability and weight, but glass wool has a disadvantage of heavy weight, and aluminum foil has moldability and application. There was a fault with poor sex.

이에 본 발명은 상기한 사정을 감안하여 안출된 것으로, 엔진룸에서 발생하여 차실 내부로 유입되는 소음을 중간에서 효과적으로 흡수하여 적절히 저감시켜 차량의 NVH 및 상품성을 향상시킬 수 있고, 중량이 가벼워서 연비 향상도 도모할 수 있는 차량용 대시 인슐레이터를 제공함에 그 목적이 있다.
Accordingly, the present invention has been made in view of the above-mentioned circumstances, and effectively absorbs noise generated in the engine room and flows into the interior of the vehicle in the middle to effectively reduce the NVH and the commercial property of the vehicle, and light weight improves fuel economy. An object of the present invention is to provide a dash insulator for a vehicle.

상기와 같은 목적을 달성하기 위한 본 발명은, 알루미늄 호일 패널과 폴리우레탄 폼 패널 및 부직포 패널이 순차적으로 3층으로 겹쳐진 패널 구조를 갖는 상부 패널과, 부직포 패널과 글라스 울 패널 및 부직포 패널이 순차적으로 3층으로 겹쳐진 패널 구조를 가지고서 상기 상부 패널에 결합된 하부 패널을 구비한다.The present invention for achieving the above object, the upper panel having a panel structure in which an aluminum foil panel, a polyurethane foam panel and a nonwoven panel are sequentially stacked in three layers, a nonwoven panel and a glass wool panel and a nonwoven panel sequentially And a lower panel coupled to the upper panel with a panel structure superimposed on three layers.

상기 상부 패널의 하부 가장자리를 따라 상기 하부 패널의 상부 가장자리가 겹쳐진 상태에서 스테플러로 결합된 것을 특징으로 한다.
The upper edge of the lower panel along the lower edge of the upper panel is characterized in that coupled to the stapler.

본 발명에 따른 차량용 대시 인슐레이터에 의하면, 알루미늄 호일과 폴리우레탄 폼 및 부직포의 3겹으로 이루어진 상부 패널에 부직포와 글라스 울 및 부직포의 3겹으로 이루어진 하부 패널이 스테플러에 의해 서로 연결된 구조로 이루어져, 전체적인 중량이 가벼워서 차량의 중량 저감 및 연비 향상을 도모할 수 있고, 금형 내에서 상부 패널과 하부 패널이 스테플러 작업으로 서로 연결됨에 따라 성형성이 우수하며, 엔진룸에서 발생하여 차실 내부로 유입되는 소음을 폴리우레탄 폼과 글라스 울을 매개로 효과적으로 흡수하여 저감시킴으로써 차량의 NVH 및 상품성을 향상시킬 수 있고, 열해 성능도 우수할 뿐만 아니라 장착 작업성도 향상되는 등의 효과가 있다.
According to the vehicle dash insulator according to the present invention, the lower panel consisting of three layers of non-woven fabric, glass wool and non-woven fabric is connected to each other by a stapler on the upper panel consisting of aluminum foil, polyurethane foam and nonwoven fabric. Its light weight makes it possible to reduce the weight of the vehicle and improve fuel efficiency.It is excellent in formability as the upper panel and the lower panel are connected to each other by a stapler operation in the mold, and the noise generated from the engine room and introduced into the cabin By absorbing and reducing the polyurethane foam and glass wool effectively, the vehicle's NVH and merchandise can be improved, and the thermal degradation performance is excellent as well as the mounting workability is improved.

도 1은 본 발명에 따른 차량용 대시 인슐레이터가 대시 패널에 장착된 상태의 정면도,
도 2는 본 발명에 따른 대시 패널과 종래 기술에 따른 대시 패널을 차량에 장착한 상태에서 운전석 안쪽에서 소음 측정한 그래프,
도 3은 본 발명에 따른 대시 패널과 종래 기술에 따른 대시 패널을 차량에 장착한 상태에서 운전석 바깥쪽에서 소음 측정한 그래프이다.1 is a front view of a vehicle dash insulator according to the present invention mounted on a dash panel;
2 is a graph of noise measurement inside a driver's seat in a state in which a dash panel according to the present invention and a dash panel according to the prior art are mounted on a vehicle;
3 is a graph of noise measurement outside the driver's seat in a state in which a dash panel according to the present invention and a dash panel according to the prior art are mounted on a vehicle.

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in detail with reference to the accompanying drawings.

도 1을 참조하면, 본 발명에 따른 대시 인슐레이터는 엔진룸과 차실을 구분 짓도록 차량의 폭방향을 따라 연장되어 형성된 대시 패널(1)에서 엔진룸 쪽을 향한 측면에 설치된다.Referring to FIG. 1, the dash insulator according to the present invention is installed on the side facing toward the engine room in the dash panel 1 extending along the width direction of the vehicle so as to distinguish the engine room from the vehicle compartment.

상기 대시 인슐레이터는 상부 패널(2)과, 이 상부 패널(2)의 하단 가장자리를 따라 그 상단이 결합된 하부 패널(3)로 이루어진다.The dash insulator consists of an upper panel 2 and a lower panel 3 whose upper end is joined along the lower edge of the upper panel 2.

상기 상부 패널(2)은 대체로 직사각 패널 형상을 하고서, 알루미늄 호일 패널(2a)과 폴리우레탄 폼 패널 및 부직포 패널이 순차적으로 3층으로 겹쳐진 패널 구조를 갖는다.The upper panel 2 has a generally rectangular panel shape, and has a panel structure in which an aluminum foil panel 2a, a polyurethane foam panel, and a nonwoven panel are sequentially stacked in three layers.

상기 알루미늄 호일 패널(2a)은 엔진룸 쪽을 향해 배치되고, 상기 부직포 패널은 대시 패널을 쪽을 향해 배치되며, 상기 폴리우레탄 폼 패널은 알루미늄 호일 패널(2a)과 부직포 패널 사이에 개재된다.The aluminum foil panel 2a is disposed towards the engine compartment, the nonwoven panel is disposed towards the dash panel, and the polyurethane foam panel is interposed between the aluminum foil panel 2a and the nonwoven panel.

상기 하부 패널(3)도 대체로 직사각 패널 형상을 하고서 상기 상부 패널(2)보다 상대적으로 작은 크기를 갖고, 부직포 패널(3a) 사이에 글라스 울 패널이 개재된 3층 패널 구조를 갖는다.The lower panel 3 also has a generally rectangular panel shape, has a smaller size than the upper panel 2, and has a three-layer panel structure in which glass wool panels are interposed between the nonwoven panels 3a.

즉 부직포 패널(3a)은 각각 엔진룸 쪽과 대시 패널 쪽을 향해 배치되고, 이들 부직포 패널(3a) 사이에 상기 글라스 울 패널이 개재된다.That is, the nonwoven fabric panel 3a is arrange | positioned toward the engine room side and the dash panel side, respectively, and the said glass wool panel is interposed between these nonwoven fabric panels 3a.

상기 상부 패널(2)의 하단 가장자리를 따라서 상기 하부 패널(3)의 상단 가장자리가 겹쳐지게 배치된 상태에서 다수 곳에서 스테플러를 매개로 연결된다.A plurality of places are connected via a stapler in a state where the upper edge of the lower panel 3 overlaps with the lower edge of the upper panel 2.

도 1에는 스테플러를 매개로 상부 패널과 하부 패널의 연결부위(4)가 7 군데에 표시되어 있지만, 이에 한정되지 않고 2 이상의 부위에서 연결될 수 있다.In FIG. 1, although the connecting portion 4 of the upper panel and the lower panel is shown at seven places through the stapler, the connection part 4 is not limited thereto and may be connected at two or more portions.

상기 상부 패널(2)과 하부 패널(3)을 스테플러로 연결하기 위해 금형에 스테플러 형상 가공부를 만들고, 금형 내부에서 스테플러를 별도 공급함과 동시에 금형으로 트림을 가공할 때에 상기 스테플러 형상 가공부에 의해 스테플러의 뒤쪽 접음 작업이 동시에 행해지도록 하면 별도의 수작업이 필요 없게 된다.In order to connect the upper panel 2 and the lower panel 3 with a stapler, a stapler shaped machining part is made in a mold, and a stapler is processed by the stapler shaped processing part when the trim is processed into a mold while supplying a stapler separately from the inside of the mold. By folding the backs of the heads at the same time, no manual work is required.

상기와 같은 구조로 된 본 발명에 따른 대시 인슐레이터는 종래 기술에 따른 글라스 울 재질의 대시 인슐레이터에 비해 중량이 약 25% 수준으로 저감되어 차량의 중량을 감소시키고, 이에 따라 연비 향상을 도모할 수 있게 된다.Dash insulator according to the present invention having the structure as described above is reduced to about 25% of the weight compared to the glass insulator dash insulator according to the prior art to reduce the weight of the vehicle, thereby improving fuel economy do.

또한 본 발명에 따른 대시 인슐레이터와 종래 기술에 따른 글라스 울로 제작된 대시 인슐레이터를 각각 실차에 장착하여 성능을 평가한 결과, 운전석에서 대화명료도는 0.1DB 정도로 향상되었고, 1/3 스펙트럼(1~4KHz 평균값) 분석은 0.6 DB 만큼 감소되어 흡음 효과가 우수한 것으로 판명되었다.In addition, as a result of evaluating the performance by mounting the dash insulator according to the present invention and the dash insulator made of glass wool according to the prior art in the vehicle, the intelligibility of the driver's seat was improved to about 0.1 DB, and 1/3 spectrum (1 ~ 4KHz average value). ) The analysis was found to be as good as the sound absorbing effect, as reduced by 0.6 DB.

도 2와 도 3은 각각 본 발명에 따른 대시 인슐레이터와 종래 기술에 따른 글라스 울 재질로 제작된 대시 인슐레이터를 실차에 장착하여 운전석 안쪽 및 바깥쪽에서 소음을 측정한 결과를 나타내는 바, 1~4KHz 대역에서 본 발명에 따른 대시 인슐레이터가 종래 기술에 따른 대시 인슐레이터에 비해 삽입손실(Insertion Loss)이 증대하여 소읍 저감 효과가 우수한 것으로 나타났다.
2 and 3 show the results of measuring the noise from the inside and the outside of the driver's seat by mounting the dash insulator according to the present invention and the dash insulator made of glass wool according to the prior art, respectively, in a 1 to 4KHz band. Dash insulator according to the present invention has been shown to increase the insertion loss (Insertion Loss) compared to the dash insulator according to the prior art was excellent in reducing the town.

1-대시 패널 2-상부 패널
3-하부 패널 2a-알루미늄 호일
3a-부직포1-dash panel 2-top panel
3-lower panel 2a-aluminum foil
3a-nonwoven

Claims (4)

알루미늄 호일 패널과 폴리우레탄 폼 패널 및 부직포 패널이 순차적으로 3층으로 겹쳐진 패널 구조를 갖는 상부 패널과,
부직포 패널과 글라스 울 패널 및 부직포 패널이 순차적으로 3층으로 겹쳐진 패널 구조를 가지고서 상기 상부 패널에 결합된 하부 패널을 갖춘 차량의 대시 인슐레이터.An upper panel having a panel structure in which an aluminum foil panel, a polyurethane foam panel, and a nonwoven panel are sequentially stacked in three layers;
A dash insulator for a vehicle having a panel structure in which a nonwoven panel and a glass wool panel and a nonwoven panel are sequentially stacked in three layers. 청구항 1에 있어서, 상기 상부 패널의 상기 알루미늄 호일 패널은 엔진룸 쪽을 향해 배치되고, 상기 상부 패널의 상기 부직포 패널은 대시 패널을 쪽을 향해 배치된 것을 특징으로 하는 차량의 대시 인슐레이터.The dash insulator of claim 1, wherein the aluminum foil panel of the upper panel is disposed toward an engine room, and the nonwoven panel of the upper panel is disposed toward a side. 청구항 1에 있어서, 상기 하부 패널의 부직포 패널은 각각 엔진룸 쪽 대시 패널 쪽으로 배치된 것을 특징으로 하는 차량의 대시 인슐레이터.The dash insulator of claim 1, wherein the nonwoven panels of the lower panel are disposed toward the dash panel of the engine compartment side, respectively. 청구항 1에 있어서, 상기 상부 패널의 하부 가장자리를 따라 상기 하부 패널의 상부 가장자리가 겹쳐진 상태에서 스테플러로 결합된 것을 특징으로 하는 차량의 대시 인슐레이터.The dash insulator of claim 1, wherein a stapler is coupled to the upper edge of the lower panel along the lower edge of the upper panel.
KR1020110131685A 2011-12-09 2011-12-09 Dash insulator for vehicle KR101262609B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180000393U (en) 2016-07-28 2018-02-08 (주)대한솔루션 Mold for insulation of vehicle
KR20180000394U (en) 2016-07-28 2018-02-08 (주)대한솔루션 Mold for insulation of vehicle
KR20190112401A (en) 2018-03-26 2019-10-07 주식회사 대솔오시스 Method of manufacturing insulation for vehicle, and the insulation using the same method
KR102138900B1 (en) * 2019-05-29 2020-07-30 (주)대한솔루션 Sound absorbing materials and method for automotive engine room with enhanced thermal resistance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100950604B1 (en) 2008-12-24 2010-04-01 엔브이에이치코리아(주) Sound-absorbing materials for automobile interior

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100950604B1 (en) 2008-12-24 2010-04-01 엔브이에이치코리아(주) Sound-absorbing materials for automobile interior

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180000393U (en) 2016-07-28 2018-02-08 (주)대한솔루션 Mold for insulation of vehicle
KR20180000394U (en) 2016-07-28 2018-02-08 (주)대한솔루션 Mold for insulation of vehicle
KR20190112401A (en) 2018-03-26 2019-10-07 주식회사 대솔오시스 Method of manufacturing insulation for vehicle, and the insulation using the same method
KR102138900B1 (en) * 2019-05-29 2020-07-30 (주)대한솔루션 Sound absorbing materials and method for automotive engine room with enhanced thermal resistance

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