WO2015046079A1 - 自動車用防音材、及び、ワイヤハーネス組付け体 - Google Patents
自動車用防音材、及び、ワイヤハーネス組付け体 Download PDFInfo
- Publication number
- WO2015046079A1 WO2015046079A1 PCT/JP2014/074908 JP2014074908W WO2015046079A1 WO 2015046079 A1 WO2015046079 A1 WO 2015046079A1 JP 2014074908 W JP2014074908 W JP 2014074908W WO 2015046079 A1 WO2015046079 A1 WO 2015046079A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- wire harness
- soundproofing material
- sound absorption
- present
- Prior art date
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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
- B60R13/0846—Insulating elements, e.g. for sound insulation for duct, cable or rod passages, e.g. between engine and passenger compartments
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
-
- 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
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- 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
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0045—Cable-harnesses
Definitions
- the present invention relates to an automotive soundproofing material that is disposed between a vehicle compartment and the outside and prevents external sound from entering the vehicle compartment, and a wire harness assembly in which a wire harness is assembled. .
- the sound outside the passenger compartment (including the sound from the tires and engines of the vehicle while driving) is made from porous material, or a resinous sheet-like skin and flexible polyurethane foam or A composite material obtained by bonding a fibrous material such as a felt is disposed on the back side of a member constituting a wall of a passenger compartment (Patent Documents 1 and 2).
- FIG. 5B schematically shows the relationship with the rate. That is, the sound absorption rate for a sound range other than the high sound range indicated by the shaded area in the figure is low.
- An object of the present invention is to provide an automotive soundproofing material that can improve the above problems, that is, can obtain high sound absorption in a wide frequency band, and a wire harness assembly having a similar soundproofing function.
- the automotive soundproofing material of the present invention is a vehicle soundproofing material in which a flexible porous material and a sheet-like material are laminated, and the sheet-like material is provided with a plurality of holes. It is characterized by being.
- the wire harness assembly of the present invention is characterized in that a wire harness is disposed inside the automobile soundproofing material.
- the automotive soundproofing material and the wire harness assembly according to the present invention are automotive soundproofing materials in which a flexible porous body and a sheet-like body are laminated, and a plurality of holes are provided in the sheet-like body. With this configuration, the soundproofing material for automobiles can obtain high sound absorption in a wide frequency band.
- FIG.1 (a) is a model perspective view of the example 1 of the automotive soundproofing material of the present invention.
- FIG. 1B is a front view of the sheet-like body 1b side.
- FIG. 2 is a model diagram showing sound absorption characteristics (relationship between incident sound frequency and sound absorption coefficient) in Example 1 of the above-described automotive soundproofing material.
- FIG. 3 is a graph showing a difference in sound absorption characteristics due to a difference in the aperture ratio of the sheet-like body.
- FIG. 4 is a model assembly diagram of an example 2 of the wire harness assembly according to the present invention.
- FIG. 5A is a model perspective view of an example 1 'of an automotive soundproofing material according to the prior art.
- FIG. 5B is a model diagram showing the sound absorption characteristics of the automobile soundproofing material 1 ′.
- FIG. 6A is a model perspective view of an example 1 ′′ of an automotive soundproofing material according to the prior art.
- FIG. 6B is a model diagram showing sound absorption characteristics of the automotive soundproofing material 1 ′′. is there.
- FIG. 1A is a model perspective view of an example 1 of an automotive soundproofing material of the present invention
- FIG. 1B shows a front view of the sheet-like body 1b side.
- the automobile soundproofing material 1 is formed by laminating a flexible porous body 1a and a sheet-like body 1b, and a plurality of through holes are provided in the sheet-like body 1b.
- the sound absorption characteristics of the automotive soundproofing material according to the present invention are shown as a model when a flexible porous body is used alone as shown in the shaded area in FIG. 2 (FIG. 5 ( b)), and when a flexible porous body and a non-porous sheet-like body are laminated (see FIG. 6B), it is understood that high sound absorption can be obtained in a wide frequency band. Is done.
- a flexible porous body used in the present invention for example, a foamed body made of urethane resin or the like and having open cells can be cited.
- a foamed body made of urethane resin or the like and having open cells can be cited.
- sufficient soundproofing performance may not be ensured without open cells.
- a nonwoven fabric composed of fibers such as polypropylene and polyester (polyethylene terephthalate, etc.) can also be used as the flexible porous body.
- the thickness and basis weight of the nonwoven fabric are appropriately selected.
- the sheet-like body used in the present invention a sheet-like body composed of vinyl chloride resin, polyethylene, polypropylene, polystyrene, various elastomers and the like (the “sheet-like body” in the present invention includes a film), and the above.
- the sheet-like body includes a film
- examples thereof include a foam sheet-like body made of a raw material.
- the sheet-like body of a foam it is preferable that it is a foam which consists of closed cells, since a high sound absorption characteristic adjustment performance is obtained.
- the material and thickness of the sheet-like body affect the sound absorption characteristics of the automotive soundproofing material. For this reason, the material and thickness of the sheet-like body are appropriately selected so that desired sound absorption characteristics can be obtained.
- the sheet-like body is provided with a plurality of through holes as described above.
- the size and arrangement density of the through holes affect the sound absorption characteristics of the automotive soundproofing material. For this reason, the size and arrangement density of the through holes are appropriately determined so as to obtain desired sound absorption characteristics.
- the through hole is circular, the diameter thereof is set.
- the equivalent circle diameter is set to 2.5 mm or more and 10 mm or less, and the interval between the through holes is 10 mm or more and 18 mm or less. It is preferable to ensure high soundproof performance in a wide frequency band, and the aperture ratio at this time is about 3% to 40%.
- the automotive soundproofing material of the present invention can be obtained by laminating the above-mentioned flexible porous body and sheet-like body, and these porous body and sheet-like body may be bonded to each other, It may be heat-sealed.
- These bonding and fusion conditions such as the type of adhesive, the presence or absence of a flexible porous adhesive layer in the opening of the sheet-like body, the adhesive application weight, the temperature and time during fusion, etc. Processing conditions affect the sound absorption characteristics of automotive soundproofing materials. For this reason, adhesion or fusion
- bonding conditions are determined suitably so that a desired sound absorption characteristic may be acquired.
- the soundproof material for automobiles of the present invention can be obtained as follows. That is, for example, after applying an adhesive to one surface of a sheet-like body and performing a drying treatment as necessary, through holes having a predetermined size are arranged at a predetermined arrangement density, for example, by punching, heat melting, or the like. Then, a soundproof material for automobiles of the present invention can be obtained by laminating a flexible porous body on the adhesive layer side of the sheet-like body provided with the through holes.
- the automobile soundproofing material of the present invention can be used for, for example, a door trim, and can also be used for a roof, an instrument panel, a floor, and the like.
- the soundproofing material for automobiles according to the present invention has not only the above soundproofing effect but also a heat shielding effect that prevents heat and cold from entering the passenger compartment.
- the flexible porous body used is a flexible porous body (urethane foam) made of urethane resin and has a thickness of 10 mm, a basis weight of 160 g / m 2 and an average cell diameter of 0.5 mm. is there.
- the average bubble diameter is obtained by taking an enlarged photograph of the cross section of the urethane foam using an optical microscope, measuring the diameter of about 30 bubbles using the photograph, and averaging the measured values.
- the sheet-like body is made of a vinyl chloride resin and is a flexible sheet having a thickness of 80 ⁇ m, and the sheet has an opening ratio of 0% (no opening), and one of the sheet-like bodies having an opening ratio of 0%.
- a double-sided adhesive tape for urethane resin was applied to the entire surface.
- a sheet-like body having an opening ratio of 0% provided with an adhesive layer as described above is provided with a through hole by punching to have an opening ratio of 15% (a plurality of through holes having a diameter of 5 mm and an opening ratio of 15). % And one through hole is provided at the center of the square, and through holes are provided at the four vertex positions of the square.)
- the sheet-like body in which a total of two types of through-holes and an adhesive layer were provided was obtained (provided that the opening rate was 15% except that the diameter of the through-holes was 10 mm). .
- the sound absorption characteristics were also evaluated for a flexible porous body (opening ratio: 100% (no sheet-like body)) in which sheet-like bodies were not laminated.
- an automobile soundproofing material having an aperture ratio of 15% or 30% which is an embodiment of the present invention, has an aperture ratio of 0% (prior art product) or an aperture ratio of 100%. It is understood that sound absorption characteristics are different from those of conventional products (prior art products), and high sound absorption can be obtained in a wide frequency band.
- FIG. 4 is a model assembly diagram.
- the wire harness assembly 2 is disposed between a door panel (not shown) and a door trim (not shown), and also functions as a soundproof material.
- a flexible porous body 2a and a plurality of through-holes 2b1 are provided in which a wire harness 3 that is constituted by a flat cable, transmits various electric signals, and supplies power is laminated and bonded to each other.
- the sheet-like body 2b is disposed.
- the wire harness comprised by the flat cable was used,
- the wire harness comprised by the wire bundle may be used independently, and in that case, it is a wire on the sheet
- the wiring harness is not required to be routed into the door trim, and the member for protecting the wire harness or the member for fixing in the door trim is used. As a result, cost reduction and weight reduction are possible.
- attachment body are not limited to the structure of the said embodiment.
Abstract
Description
1a,2a 柔軟な多孔質体
1b,2b シート状体
1b1,2b1 貫通孔
2 本発明のワイヤハーネス組付け体の例
3 ワイヤハーネス
Claims (2)
- 柔軟な多孔質体とシート状体とが積層されてなる自動車用防音材において、前記シート状体に貫通孔が複数設けられていることを特徴とする自動車用防音材。
- 請求項1に記載の自動車用防音材の内部にワイヤハーネスが配置されていることを特徴とするワイヤハーネス組付け体。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480047153.XA CN105492257A (zh) | 2013-09-27 | 2014-09-19 | 车辆隔音材料和线束组件 |
DE112014004408.3T DE112014004408T5 (de) | 2013-09-27 | 2014-09-19 | Kraftfahrzeugschalldämmungsmaterial und kabelbaumanordnung |
US15/057,385 US9914409B2 (en) | 2013-09-27 | 2016-03-01 | Automotive soundproofing material and wire harness assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-202337 | 2013-09-27 | ||
JP2013202337A JP2015067085A (ja) | 2013-09-27 | 2013-09-27 | 自動車用防音材、及び、ワイヤハーネス組付け体 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/057,385 Continuation US9914409B2 (en) | 2013-09-27 | 2016-03-01 | Automotive soundproofing material and wire harness assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015046079A1 true WO2015046079A1 (ja) | 2015-04-02 |
Family
ID=52743216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/074908 WO2015046079A1 (ja) | 2013-09-27 | 2014-09-19 | 自動車用防音材、及び、ワイヤハーネス組付け体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9914409B2 (ja) |
JP (1) | JP2015067085A (ja) |
CN (2) | CN105492257A (ja) |
DE (1) | DE112014004408T5 (ja) |
WO (1) | WO2015046079A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016200695A (ja) * | 2015-04-09 | 2016-12-01 | 株式会社クラレ | 吸音パネルおよびそれを用いた吸音方法 |
WO2018181139A1 (ja) * | 2017-03-27 | 2018-10-04 | 富士フイルム株式会社 | 防音構造体、ならびに、吸音パネルおよび調音パネル |
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JP2016210282A (ja) * | 2015-05-08 | 2016-12-15 | 矢崎総業株式会社 | 自動車用防音材、及び、ワイヤハーネス組付け体 |
JP6560353B2 (ja) * | 2015-08-10 | 2019-08-14 | 住江織物株式会社 | 自動車内外装用成形体の製造方法 |
JP6766713B2 (ja) * | 2017-03-22 | 2020-10-14 | 住友電装株式会社 | 電線保護用プロテクタ及びプロテクタ付電線 |
EP3678127A4 (en) * | 2017-08-28 | 2020-09-09 | FUJIFILM Corporation | SOUND INSULATION STRUCTURE AND SOUND INSULATION SYSTEM |
JP6973624B2 (ja) * | 2018-03-30 | 2021-12-01 | 株式会社オートネットワーク技術研究所 | 配線部材一体型組込部品 |
JP7211032B2 (ja) * | 2018-11-26 | 2023-01-24 | 株式会社オートネットワーク技術研究所 | ドア用配線モジュール |
CN109733299A (zh) * | 2018-12-10 | 2019-05-10 | 山东国金汽车制造有限公司 | 一种具有吸声作用的汽车中控台及其制作方法 |
JP7092060B2 (ja) * | 2019-02-08 | 2022-06-28 | 株式会社オートネットワーク技術研究所 | 配線部材一体型モジュール |
USD950472S1 (en) * | 2019-04-24 | 2022-05-03 | Valhalla Off-road Research Inc. | Storage panel |
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-
2013
- 2013-09-27 JP JP2013202337A patent/JP2015067085A/ja active Pending
-
2014
- 2014-09-19 CN CN201480047153.XA patent/CN105492257A/zh active Pending
- 2014-09-19 CN CN201910743770.8A patent/CN110562156A/zh active Pending
- 2014-09-19 WO PCT/JP2014/074908 patent/WO2015046079A1/ja active Application Filing
- 2014-09-19 DE DE112014004408.3T patent/DE112014004408T5/de active Pending
-
2016
- 2016-03-01 US US15/057,385 patent/US9914409B2/en active Active
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JP2016200695A (ja) * | 2015-04-09 | 2016-12-01 | 株式会社クラレ | 吸音パネルおよびそれを用いた吸音方法 |
WO2018181139A1 (ja) * | 2017-03-27 | 2018-10-04 | 富士フイルム株式会社 | 防音構造体、ならびに、吸音パネルおよび調音パネル |
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Also Published As
Publication number | Publication date |
---|---|
JP2015067085A (ja) | 2015-04-13 |
US20160176368A1 (en) | 2016-06-23 |
DE112014004408T5 (de) | 2016-06-23 |
CN110562156A (zh) | 2019-12-13 |
US9914409B2 (en) | 2018-03-13 |
CN105492257A (zh) | 2016-04-13 |
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