WO2000060272A1 - Element d'isolation acoustique - Google Patents

Element d'isolation acoustique Download PDF

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Publication number
WO2000060272A1
WO2000060272A1 PCT/JP1999/001778 JP9901778W WO0060272A1 WO 2000060272 A1 WO2000060272 A1 WO 2000060272A1 JP 9901778 W JP9901778 W JP 9901778W WO 0060272 A1 WO0060272 A1 WO 0060272A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
layer
pipe
soundproofing
soundproofing member
Prior art date
Application number
PCT/JP1999/001778
Other languages
English (en)
Japanese (ja)
Inventor
Yasuyuki Ohira
Mitsuo Hori
Original Assignee
Shishiai-Kabushikigaisha
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 Shishiai-Kabushikigaisha filed Critical Shishiai-Kabushikigaisha
Priority to PCT/JP1999/001778 priority Critical patent/WO2000060272A1/fr
Publication of WO2000060272A1 publication Critical patent/WO2000060272A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0263—Insulation for air ducts
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/122—Pipe-line systems for waste water in building
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0281—Multilayer duct
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/60—Reducing noise in plumbing systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the present invention relates to a soundproofing member applied to piping such as a water supply / drainage device or an air conditioner of a building. More specifically, the present invention relates to a soundproof member which is applied to a pipe having a joint and a straight pipe curved substantially in an L shape and has excellent handleability and excellent soundproof performance.
  • a soundproofing member in which a sound insulating layer made of an asphalt sheet is laminated with a sound absorbing layer made of an air cushion sheet, glass wool, felt or the like.
  • the sound absorbing layer becomes hard, and it is difficult to attach the sound absorbing layer to a curved surface.
  • the noise generated from the distribution pipes is not uniform and varies depending on the location.
  • curved joints where fluids collide are areas where noise is generated. Therefore, it is necessary to enhance the soundproofing especially in such a curved portion.
  • the present invention has been made in view of such circumstances, and is a soundproof member excellent in handleability, particularly in handleability for piping having a curved portion, and excellent in a curved pipe portion that generates large noise. It is an object of the present invention to provide a soundproof member having soundproof performance.
  • a soundproofing member applied to a pipe having a curved joint portion and a straight pipe portion such as a water supply / drainage device for a building or an air conditioner has a surface density of from 5.0 to 2 5. 0 sound insulation layer and the thickness of kg / m 2 5. 0-1 0. soundproof member; and a sound absorbing layer of O mm and its gist.
  • the soundproofing member having such a main configuration, a combination of the sound insulation layer, the vibration suppression layer, the vibration suppression layer, and the sound absorption layer, a combination of the sound insulation layer, the vibration suppression layer, and the sound absorption layer, the sound insulation layer, the vibration suppression layer, and the sound absorption layer
  • a combination of layers or a combination of a sound insulation layer and a sound absorption layer can be adopted.
  • the sound absorbing layer a layer made of a urethane chip product of a recycled material can be suitably used.
  • the soundproofing member may have a form in which the outer surface is covered with a heat-shrinkable film such as polyvinyl chloride, polyethylene, polyester, polypropylene, and polystyrene.
  • both ends of the pipe can be left attached to the circumference of the pipe so as to be slidable.
  • the sound insulation layer or the Z and sound absorption layers of the sound insulation member applied to the curved joint portion and the sound insulation member applied to the straight pipe portion can be formed to have different configurations. Since the soundproofing member of the present invention has a sound insulating layer having an areal density of 5.0 to 25.0 kg / m 2 and a sound absorbing layer having a thickness of 5.0 to 100.0 mm, it is curved. It has excellent handling properties, such as installation on a pipe that has been installed, and has excellent soundproofing performance.
  • FIG. 1 is an enlarged sectional view of a main part showing a soundproof member of the present invention.
  • FIG. 2 is a perspective view showing the soundproof member of the present invention.
  • FIG. 3 is a perspective view showing a state in which the soundproof member of the present invention is applied to a pipe.
  • FIG. 4 is an enlarged sectional view of a main part showing another example of the soundproofing member of the present invention.
  • FIG. 5 is a perspective view showing a state in which the soundproof member of the present invention is piped.
  • the soundproofing member of the present invention has a substantially L-shaped curved portion such as a building water supply / drainage device or an air conditioner.
  • the pipes are straight pipes and joints conventionally used, and the shape, thickness, length, etc. are arbitrary.
  • the soundproofing member 11 of the present invention has a soundproof layer 13 and a sound absorbing layer 15.
  • the material of the sound insulation layer 13 is not limited as long as the area density is 5.0 to 25.0 kg / m 2 .
  • a resin obtained by random or block copolymerization with at least one of monomers which can be copolymerized with a vinyl chloride monomer, in addition to a resin polymerized with asphalt or a salt alone is preferred.
  • Graft copolymerization with vinyl copolymer resin for example, vinyl acetate-vinyl chloride copolymer, ethylene-vinyl chloride copolymer, vinylidene chloride monobutyl chloride copolymer, or resin that can be graft copolymerized with vinyl chloride monomer
  • vinyl chloride graft copolymer resins for example, vinyl chloride resins such as ethylene-vinyl acetate-vinyl chloride daraft copolymer and polyurethane-vinyl monochloride graft copolymer.
  • the surface density of the sound insulating layer 13 is less than 5.0 kg Zm 2 , sufficient sound insulating ability cannot be obtained particularly in a curved pipe portion where noise is generated, and the surface density is 25.0. If greater than kg / m 2, the sound insulating layer 1 3 to Ri attached to preparative the pipe portion weight is curved heavier itself is very poor workability, such as stripping the soundproof member after attaching the pipe occurs Failure may occur.
  • the sound insulation layer 13 is filled with fillers such as calcium carbonate, talc, magnesium oxide, alumina, titanium oxide, barite, iron oxide, zinc oxide, and graphite to improve sound insulation. be able to.
  • the filler is preferably filled with a filling amount of 50 to 95% by weight so that the mechanical strength of the sound insulating layer 13 does not decrease while securing sufficient sound insulating properties.
  • the filling of the filler can also adjust the viscosity of the sound insulating layer 13 and reduce the mixing cost in addition to the improvement of the sound insulating property.
  • the sound-absorbing layer 15 is made of urethane, chloroprene, styrene-butadiene copolymer, Resin such as polyethylene, polypropylene, ethylene acetate butyl, and styrene is used alone or in combination, and has a thickness of 5.0 to 10.0 mm.
  • the sound absorbing layer 15 preferably has an open-cell structure in order to ensure better sound absorbing properties.
  • the expansion ratio when the sound absorbing layer 15 has a foamed structure is arbitrary, but is preferably from 10 to 50 times from the viewpoint of ensuring good sound absorbing properties.
  • the sound absorbing layer 15 may be perforated, slitted, or the like to further enhance the sound absorbing properties.
  • the soundproofing member 11 of the present invention includes a sound-insulating layer 13 and a sound-absorbing layer 15, as well as a damping layer 14 and a vibration-proofing layer. Anything can be added and used freely. Specific examples include a sound insulation layer, a vibration suppression layer, a vibration suppression layer, and a sound absorption layer, a sound insulation layer, a vibration suppression layer, and a sound absorption layer, and a sound insulation layer, a vibration suppression layer, and a sound absorption layer. It can take the form. In addition, by appropriately determining and using the type of each layer, the stacking order, the thickness of each layer, the number of layers, and the like according to the use and use state of the soundproof member, a soundproof member optimal for the use and use state can be produced.
  • the vibration damping layer 14 examples include a material obtained by compounding rubber with the vinyl chloride resin.
  • the rubber includes acrylonitrile-tagen rubber (NBR), styrene-butadiene rubber (SBR), butadiene rubber (BR), natural rubber (NR), isoprene rubber (IR) and the like. Rubber distribution In order to obtain good viscoelastic properties at room temperature, the amount is preferably 10 to 80% by weight. If the amount is more or less than this range, sufficient viscoelastic properties at room temperature cannot be obtained.
  • This damping layer 14 can be filled with the same filler as the sound insulating layer 13 to improve the damping property.
  • the vibration damping layer is mainly made of rubber-based materials such as acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), butadiene rubber (BR), natural rubber (NR), and isoprene rubber (IR). It is possible to use those obtained by blending a resin with these rubber-based materials. If necessary (for adjusting the hardness), the vibration isolating layer may be filled with a filler such as carbon black or calcium carbonate.
  • NBR acrylonitrile-butadiene rubber
  • SBR styrene-butadiene rubber
  • BR butadiene rubber
  • NR natural rubber
  • IR isoprene rubber
  • the vibration isolating layer may be filled with a filler such as carbon black or calcium carbonate.
  • the sound insulating layer and the sound damping layer may be replaced with those having different layers. It is also possible to use a single layer of sound insulation and vibration damping layer having these properties.
  • the sound insulation damping layer for example, a resin matrix made of a vinyl chloride resin and filled with a piece of Myricin as shown in JP-A-8-73648, For example, a resin matrix made of a chlorinated butyl resin and filled with mylar pieces and calcium carbonate can be used.
  • the soundproofing member 11 of the present invention has a soundproofing layer, a sound absorbing layer, and, if necessary, a vibration damping layer and a vibration damping layer, so that an excellent soundproofing effect can be derived.
  • the soundproof member 11 shown in FIG. 1 has a sound insulating layer 13, a sound absorbing layer 15 and a vibration damping layer 14, and the sound insulating layer 13, the vibration damping layer 14 and the sound absorbing layer 15 are The sound-absorbing member 11 was attached to the outer periphery of the pipe 10 so that the sound-absorbing layer 15 of the sound-insulating member 11 was located on the side of the pipe 10 through the adhesive layer 16, and was generated from the pipe 10.
  • the soundproofing member 11 of the present invention may be attached to the peripheral surface of the pipe 10 by interposing an adhesive or a pressure-sensitive adhesive, or may be wound around the peripheral surface of the pipe and fastened with a tape or a belt from above.
  • the installation can be done in two ways: one is to install it at the site, and the other is to install it around pipes in advance so that the installation work at the site can be omitted.
  • a soundproofing member corresponding to the shape and size of the straight pipe or L pipe to be used is attached in advance around the pipe with an adhesive or adhesive.
  • the soundproofing member 11 shown in Fig. 1 is also of the type that is previously attached to the piping 10 circumference, and the outer surface is made of a heat-shrinkable film 12 of polyvinyl chloride, polyethylene, polyester, polypropylene, polystyrene, etc. It is what covered.
  • the soundproofing member 11 whose outer surface is covered with the heat-shrinkable film 12, the soundproofing member 11 is fitted into the pipe 10 without using an adhesive or an adhesive, and is heated to heat the film 1 2 on the outer surface. Can be thermally contracted, and the soundproof member 11 can be tightened and attached to the pipe 10. Further, like the soundproofing member shown in FIG. 3, the both ends of the pipe 10 may be left so as to be slidably attached to the peripheral surface of the pipe 10.
  • Fig. 3 shows the case where the soundproofing member 11 is applied to the pipe 10 (straight pipe). The soundproofing member 11 is attached, leaving both ends fitted into the L pipe, and this can be slid. Things. In other words, the soundproofing member 11 in FIG.
  • the soundproofing member 11 is fitted to the pipe 10 without using an adhesive or an adhesive. Then, this is heated to thermally shrink the film 12 on the outer surface, so that the soundproof member 11 is fastened and attached to the pipe 10. This is soundproof The member 11 can be slid around the pipe 10. For this reason, if the soundproof part Neo 11 is attached to the pipe 10 in advance, if it becomes necessary to cut the pipe 10 to an appropriate length at the site according to the situation of the factory, the soundproof member 1 It is sufficient to slide the pipe 1 to one side of the pipe 10 and cut only the other end of the pipe 10, so that the length of the pipe 10 can be adjusted more efficiently.
  • the soundproofing member 11 of the present invention can be formed such that the thickness of the sound insulating layer and the thickness of the sound absorbing layer are different between the joint portion 10a having a curved shape and the straight pipe portion 1Ob.
  • the thickness of the sound absorbing material or the sound insulating material can be increased in a curved portion where noise is particularly large, and can be reduced in the straight pipe portion 10b.
  • only the surface density of the sound insulation layer may be changed. This makes it possible to effectively prevent noise in a portion where noise is generated, and to install the straight pipe portion 10b and a portion where noise is low with only the minimum soundproof member 11.
  • a soundproofing member having the form shown in Fig.
  • the drainage noise from the drain is picked up by a noise meter (LA-210, manufactured by Ono Sokki Co., Ltd.) placed 10 m away from the pipes (drainage pipe), the noise level is measured, and the FFT analyzer (CF — 350, manufactured by Ono Sokki Co., Ltd.).
  • the results are shown in Table 1. 1 indicates the thickness of the sound absorbing material ( mm ), and 2 indicates the thickness of the sound insulating material ( mm ).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Pipe Accessories (AREA)

Abstract

L'invention concerne un élément d'isolation acoustique destinés aux tuyaux d'une installation de plomberie et d'un système de conditionnement d'air d'un bâtiment. Ledit élément, qui comprend une couche d'isolation acoustique ayant une densité surfacique comprise entre 5,0 et 25,0 kg/m2, et une couche d'absorption du bruit ayant une épaisseur comprise entre 5,0 et 10,0 mm, est facile à manipuler et présente d'excellentes propriétés d'isolation acoustique.
PCT/JP1999/001778 1999-04-02 1999-04-02 Element d'isolation acoustique WO2000060272A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/001778 WO2000060272A1 (fr) 1999-04-02 1999-04-02 Element d'isolation acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/001778 WO2000060272A1 (fr) 1999-04-02 1999-04-02 Element d'isolation acoustique

Publications (1)

Publication Number Publication Date
WO2000060272A1 true WO2000060272A1 (fr) 2000-10-12

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ID=14235388

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/001778 WO2000060272A1 (fr) 1999-04-02 1999-04-02 Element d'isolation acoustique

Country Status (1)

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WO (1) WO2000060272A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007137720A1 (fr) * 2006-05-30 2007-12-06 Rehau Ag + Co Pièce moulée pour des systèmes de conduites en vue de conduire les eaux usées
JP2012077766A (ja) * 2010-09-30 2012-04-19 Cci Corp 防音継手管

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06265085A (ja) * 1993-03-15 1994-09-20 Shibazaki:Kk 消音性パイプ
JPH06300178A (ja) * 1993-04-14 1994-10-28 Shibazaki:Kk 消音性パイプ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06265085A (ja) * 1993-03-15 1994-09-20 Shibazaki:Kk 消音性パイプ
JPH06300178A (ja) * 1993-04-14 1994-10-28 Shibazaki:Kk 消音性パイプ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007137720A1 (fr) * 2006-05-30 2007-12-06 Rehau Ag + Co Pièce moulée pour des systèmes de conduites en vue de conduire les eaux usées
JP2012077766A (ja) * 2010-09-30 2012-04-19 Cci Corp 防音継手管

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