DE10348934A1 - Device for sound insulation between engine compartment and passenger compartment of motor vehicle has sound absorption element extending over almost whole of cockpit module side facing end wall - Google Patents

Device for sound insulation between engine compartment and passenger compartment of motor vehicle has sound absorption element extending over almost whole of cockpit module side facing end wall Download PDF

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Publication number
DE10348934A1
DE10348934A1 DE2003148934 DE10348934A DE10348934A1 DE 10348934 A1 DE10348934 A1 DE 10348934A1 DE 2003148934 DE2003148934 DE 2003148934 DE 10348934 A DE10348934 A DE 10348934A DE 10348934 A1 DE10348934 A1 DE 10348934A1
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DE
Germany
Prior art keywords
cockpit module
absorption element
end wall
sound absorption
passenger compartment
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE2003148934
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German (de)
Inventor
Gerhard Dipl.-Ing. Schneider (Fh)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE2003148934 priority Critical patent/DE10348934A1/en
Publication of DE10348934A1 publication Critical patent/DE10348934A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • B60R13/083—Acoustic or thermal insulation of passenger compartments for fire walls or floors
    • 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
    • B60R13/0846—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

The device for the sound insulation between an engine compartment (3) and passenger compartment of a motor vehicle with cockpit module (8) installed inside the passenger compartment and connected to an end wall (4). The cockpit module has a sound absorption element (15) and extends over almost the whole of the cockpit module side facing the end wall. An opening (10) formed in the end wall is bounded by an encompassing flange (11) upon which lies a heater (12) which is a component part of the cockpit module.

Description

Die Erfindung betrifft eine Vorrichtung zur Schallisolation zwischen einem Motorraum und einem Fahrgastinnenraum eines Kraftfahrzeugs gemäß dem Oberbegriff des Patentanspruchs 1.The The invention relates to a device for sound insulation between an engine compartment and a passenger compartment of a motor vehicle according to the generic term of claim 1

Im Serienfahrzeugbau ist es üblich, Schallabsorptionselemente zwischen einem Motorraum und einem Fahrgastinnenraum eines Kraftfahrzeugs vorzusehen, um die Lärmbelastung der Fahrzeuginsassen so gering wie möglich zu halten. Dies wird umso schwieriger, wenn Durchbrüche in einer den Motorraum vom Fahrgastinnenraum trennenden Stirnwand vorgesehen sind, weil die Anlagebereiche zwischen Durchbruch und angrenzendem Bauteil in besonderem Maße schallisoliert werden müssen.in the Series production is common, Sound absorbing elements between an engine compartment and a passenger compartment a motor vehicle to the noise of the vehicle occupants as low as possible to keep. This becomes all the more difficult when breakthroughs in one provided the engine compartment from the passenger compartment separating end wall are because the investment areas between breakthrough and adjacent Component in particular soundproofed.

In der EP 0 329 526 B1 ist sowohl die Stirnwand vollständig mit einer Dämmschicht versehen, bei der im Überdeckungsbereich der Durchbrüche Aussparungen vorgesehen sind. Das in den Durchbruch eingesetzte Bauteil ist ebenfalls mit einer Dämmschicht versehen.In the EP 0 329 526 B1 Both the end wall is completely provided with an insulating layer in which recesses are provided in the overlap region of the openings. The component used in the breakthrough is also provided with an insulating layer.

Problematisch hierbei ist, dass die Anlagebereiche, an denen das Bauteil an dem Durchbruch anliegt, auf Grund von Einbautoleranzen nicht vollständig abgedichtet werden können, so dass Schallnebenwege in den Fahrgastinnenraum entstehen.Problematic Here is that the investment areas where the component on the Breakthrough is present, due to installation tolerances not fully sealed can be so that sound bypasses arise in the passenger compartment.

Es ist daher Aufgabe der Erfindung, eine Vorrichtung zur Schallisolation zwischen Motorraum und Fahrgastinnenraum zu schaffen, die die oben genannten Schallnebenwege unterbindet.It is therefore an object of the invention, a device for sound insulation to create between the engine compartment and passenger compartment, the above prevents sound bypasses.

Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Patentanspruchs 1 gelöst.These Task is according to the invention with the Characteristics of claim 1 solved.

Erfindungsgemäß ist beim Anschluss eines Cockpitmoduls an eine Stirnwand ein Schallabsorptionselement vorgesehen, das nicht nur ein Bauteil bedeckt, sondern nahezu die gesamte der Stirnwand zugewandten Seite des Cockpitmoduls abdeckt. Dazu ist das Schallisolationselement dem Cockpitmodul zugeordnet, d.h. das Schallisolationselement wird nicht mehr beim Einbau des Cockpitmoduls in die Fahrgastzelle, sondern bereits in der Vormontage an der in Richtung Motorraum weisenden Seite des Cockpitmoduls befestigt. In dem Schallabsorptionselement sind nur noch Öffnungen für durchtretende Leitungen von oder ins Cockpit notwendig. Das Cockpitmodul verfügt somit über eine flexible Abdeckung auf der dem Motorraum zugewandten Seite.According to the invention Connection of a cockpit module to an end wall of a sound absorption element provided that covers not only a component, but almost the covers the whole of the end wall facing side of the cockpit module. To is the sound insulation element associated with the cockpit module, i. The sound insulation element is no longer when installing the cockpit module in the passenger compartment, but already in pre-assembly at the in Attached to the engine compartment facing side of the cockpit module. In the sound absorbing element are only openings for passing lines of or into the cockpit necessary. The cockpit module thus has a flexible cover on the engine compartment side facing.

In einer Ausführungsform ist der Durchbruch durch einen umlaufenden Flansch begrenzt, an dem eine Heizung anliegt, die ein Bauteil des Cockpitmoduls ist.In an embodiment the breakthrough is limited by a circumferential flange, on a heating is applied, which is a component of the cockpit module.

Damit das Cockpitmodul in optimaler Einbaulage in Anlage mit dem Flansch liegt, weist die Heizung eine plane Anlagefläche auf.In order to the cockpit module in optimal mounting position in contact with the flange is located, the heater has a flat contact surface.

Lediglich zur Durchführung von Versorgungsleitungen zwischen Motorraum und Cockpitmodul können Ausschnitte in das Schallabsorptionselement eingebracht sein.Only to carry out of supply lines between engine compartment and cockpit module can cutouts be introduced into the sound absorption element.

Eine besonders gute Schallisolation kann erreicht werden, wenn das Schallabsorptionselement aus einer Schwerfolie gefertigt ist.A Particularly good sound insulation can be achieved when the sound absorption element a heavy foil is made.

Weitere vorteilhafte Ausgestaltungen der Erfindung werden im folgenden anhand der Zeichnung erläutert. Dabei zeigen:Further advantageous embodiments of the invention are described below explained the drawing. Showing:

1 eine schematische Darstellung eines Längsschnitts durch einen Vorbau eines Kraftfahrzeugs sowie 1 a schematic representation of a longitudinal section through a stem of a motor vehicle and

2 eine vergrößerte Darstellung einer erfindungsgemäßen Vorrichtung zur Schallisolation. 2 an enlarged view of a device according to the invention for sound insulation.

1 zeigt einen Vorbau 1 eines nicht näher dargestellten Kraftfahrzeugs 2. Der Vorbau 1 umfasst einen Motorraum 3, der durch eine Stirnwand 4 von einem Fahrgastraum 5 des Kraftfahrzeugs 2 getrennt ist. Die Stirnwand 4 erstreckt sich im wesentlichen in Fahrzeughochrichtung und ist oben an einen Querträger 6 und unten an eine Bodenstruktur 7 angeschlossen. Im oberen Bereich der Stirnwand 4 ist ein Cockpitmodul 8 befestigt. 1 shows a stem 1 a motor vehicle, not shown 2 , The stem 1 includes an engine compartment 3 passing through a front wall 4 from a passenger compartment 5 of the motor vehicle 2 is disconnected. The front wall 4 extends substantially in the vehicle vertical direction and is at the top of a cross member 6 and below to a soil structure 7 connected. In the upper area of the front wall 4 is a cockpit module 8th attached.

Um den Lärmpegel im Fahrgastinnenraum 5 so niedrig wie möglich zu halten, ist zwischen der Stirnwand 4 und dem Cockpitmodul 8 ein Schallabsorptionselement 9 angeordnet.To the noise level in the passenger compartment 5 To keep as low as possible is between the front wall 4 and the cockpit module 8th a sound absorption element 9 arranged.

In 2 ist ein vergrößerter Ausschnitt der Anordnung gemäß 1 dargestellt.In 2 is an enlarged section of the arrangement according to 1 shown.

Die Stirnwand 4 ist mit einem Durchbruch 10 versehen, der durch einen umlaufenden Flansch 11 begrenzt ist. An diesem Flansch 11 liegt eine Heizung 12 an, die in dem Cockpitmodul 8 enthalten ist. D.h., beim Einbau des Cockpitmoduls 8 wird die Heizung 12 in entsprechende Anlage mit dem Durchbruch 10 verlegt werden können. Die Heizung 12 weist eine plane Anlagefläche 14 auf, die im optimaler Einbaulage in Anlage mit dem Flansch 11 zu liegen kommt.The front wall 4 is having a breakthrough 10 provided by a circumferential flange 11 is limited. At this flange 11 there is a heater 12 in the cockpit module 8th is included. That is, when installing the cockpit module 8th will the heater 12 in appropriate plant with the breakthrough 10 can be moved. The heating system 12 has a flat contact surface 14 in the optimal installation position in contact with the flange 11 to come to rest.

Zur Schallisolation ist dem Cockpitmodul 8 ein Schallabsorptionselement 15 zugeordnet, das sich im wesentlichen über die gesamte Höhe des Cockpitmoduls 8 an dessen der Stirnwand 4 zugewandten Seite 16 (vgl. 1) erstreckt. Lediglich zur Durchführung der Versorgungsleitungen 13 sind in dem Schallabsorptionselement Ausschnitte eingebracht.For sound isolation is the cockpit module 8th a sound absorption element 15 assigned, extending substantially over the entire height of the cockpit module 8th at the end wall 4 facing side 16 (see. 1 ). Only for the implementation of the supply lines 13 Cutouts are introduced in the sound absorption element.

In dieser Ausführung ist das Schallabsorptionselement eine Schwerfolie, die an einem umlaufenden Randbereich der Cockpitschale befestigt ist.In this version the sound absorption element is a heavy foil which is attached to a circumferential edge region of the cockpit shell is attached.

Zu dem aus Schwerfolie gefertigten Absorptionselement 15 sind zusätzliche Schaumstoffteile 17 auf der Seite der Stirnwand 4 befestigt, die dem Cockpitmodul 8 zugewandt ist. Gleichzeitig ist auf der planen Anlagefläche 14 ein Schaumstoffteil 18 befestigt.To the made of heavy foil absorption element 15 are additional foam parts 17 on the side of the front wall 4 attached to the cockpit module 8th is facing. At the same time is on the plane bearing surface 14 a foam part 18 attached.

Denkbar ist jedoch auch, dass das Schallabsorptionselement 15 aus Schichten gefertigt ist, beispielsweise eine Schwerschicht und eine Schicht aus Schaumstoff. Dadurch könnten die Schaumstoffteile 17 und 18 entfallen.However, it is also conceivable that the sound absorption element 15 is made of layers, for example, a heavy layer and a layer of foam. This could cause the foam parts 17 and 18 omitted.

Claims (6)

Vorrichtung zur Schallisolation zwischen einem Motorraum und einem Fahrgastinnenraum eines Kraftfahrzeugs, mit einem im Fahrgastinnenraum angeordneten Cockpitmodul, das an eine Stirnwand angeschlossen ist, die zumindest einen Durchbruch im Überdeckungsbereich mit dem Cockpitmodul aufweist, und das ein Bauteil umfasst, das an dem Durchbruch anliegt und diesen zumindest teilweise verschließt, wobei zumindest ein Schallabsorptionselement vorgesehen ist, dadurch gekennzeichnet, dass das Schallabsorptionselement (15) dem Cockpitmodul (8) zugeordnet ist und sich über nahezu die gesamte der Stirnwand (4) zugewandten Seite des Cockpitmoduls (8) erstreckt.Device for sound insulation between an engine compartment and a passenger compartment of a motor vehicle, with a cockpit module arranged in the passenger compartment, which is connected to an end wall, which has at least one breakthrough in the coverage area with the cockpit module, and which comprises a component which rests against the breakthrough and this at least partially closes, wherein at least one sound absorption element is provided, characterized in that the sound absorption element ( 15 ) the cockpit module ( 8th ) and over almost the entire of the end wall ( 4 ) facing side of the cockpit module ( 8th ). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Durchbruch (10) durch einen umlaufenden Flansch (11) begrenzt ist.Device according to claim 1, characterized in that the breakthrough ( 10 ) by a circumferential flange ( 11 ) is limited. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass an dem Flansch (11) eine Heizung (12) anliegt, die ein Bauteil des Cockpitmoduls (8) ist.Device according to claim 2, characterized in that on the flange ( 11 ) a heater ( 12 ), which is a component of the cockpit module ( 8th ). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Heizung (12) eine plane Anlagefläche (14) aufweist, die im optimaler Einbaulage des Cockpitmoduls (8) in Anlage mit dem Flansch (11) liegt.Device according to claim 3, characterized in that the heating ( 12 ) a plane bearing surface ( 14 ), which in the optimal installation position of the cockpit module ( 8th ) in contact with the flange ( 11 ) lies. Vorrichtung nach einem der Ansprüche 1 oder 3, dadurch gekennzeichnet, dass in dem Schallabsorptionselement (15) Ausschnitte zur Durchführung von Versorgungsleitungen (13) eingebracht sind.Device according to one of claims 1 or 3, characterized in that in the sound absorption element ( 15 ) Sections for the implementation of supply lines ( 13 ) are introduced. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Schallabsorptionselement (15) eine Schwerfolie ist, die an einem umlaufenden Randbereich der Cockpitschale befestigt ist.Device according to claim 2, characterized in that the sound absorption element ( 15 ) is a heavy foil, which is attached to a peripheral edge region of the cockpit tray.
DE2003148934 2003-10-18 2003-10-18 Device for sound insulation between engine compartment and passenger compartment of motor vehicle has sound absorption element extending over almost whole of cockpit module side facing end wall Withdrawn DE10348934A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2003148934 DE10348934A1 (en) 2003-10-18 2003-10-18 Device for sound insulation between engine compartment and passenger compartment of motor vehicle has sound absorption element extending over almost whole of cockpit module side facing end wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003148934 DE10348934A1 (en) 2003-10-18 2003-10-18 Device for sound insulation between engine compartment and passenger compartment of motor vehicle has sound absorption element extending over almost whole of cockpit module side facing end wall

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DE10348934A1 true DE10348934A1 (en) 2005-05-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009060061A1 (en) * 2007-11-09 2009-05-14 Renault S.A.S. Rigid structure comprising means for positioning a soundproofing panel, and corresponding soundproofing panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009060061A1 (en) * 2007-11-09 2009-05-14 Renault S.A.S. Rigid structure comprising means for positioning a soundproofing panel, and corresponding soundproofing panel
FR2923447A1 (en) * 2007-11-09 2009-05-15 Renault Sas RIGID STRUCTURE COMPRISING MEANS FOR POSITIONING AN INSONORIZING PANEL AND CORRESPONDING INSONORIZING PANEL
CN101909974B (en) * 2007-11-09 2012-10-17 雷诺股份公司 Rigid structure comprising means for positioning a soundproofing panel, and corresponding soundproofing panel

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE

8127 New person/name/address of the applicant

Owner name: DAIMLER AG, 70327 STUTTGART, DE

8139 Disposal/non-payment of the annual fee