WO2018090961A1 - 发动机进气管路总成及具有其的车辆 - Google Patents

发动机进气管路总成及具有其的车辆 Download PDF

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Publication number
WO2018090961A1
WO2018090961A1 PCT/CN2017/111499 CN2017111499W WO2018090961A1 WO 2018090961 A1 WO2018090961 A1 WO 2018090961A1 CN 2017111499 W CN2017111499 W CN 2017111499W WO 2018090961 A1 WO2018090961 A1 WO 2018090961A1
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WO
WIPO (PCT)
Prior art keywords
muffler
auxiliary
pipe
pipeline
tube
Prior art date
Application number
PCT/CN2017/111499
Other languages
English (en)
French (fr)
Inventor
宋述岗
朱永成
代建峰
陈帅
曾志新
梁晓峰
谢永强
Original Assignee
广州汽车集团股份有限公司
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Filing date
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Application filed by 广州汽车集团股份有限公司 filed Critical 广州汽车集团股份有限公司
Publication of WO2018090961A1 publication Critical patent/WO2018090961A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10137—Flexible ducts, e.g. bellows or hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1272—Intake silencers ; Sound modulation, transmission or amplification using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1288—Intake silencers ; Sound modulation, transmission or amplification combined with or integrated into other devices ; Plurality of air intake silencers

Definitions

  • the present invention relates to the field of automotive parts technology, and more particularly to an engine intake line assembly and a vehicle having the engine intake line assembly.
  • the supercharged engine has been welcomed by more and more people because of its ability to improve fuel economy and reduce exhaust emissions.
  • the supercharged engine includes an intake line assembly and an engine.
  • the intake line assembly includes a supercharger, a connecting pipe and an intercooler. The air enters the connecting pipe from the supercharger, and then enters the engine after being cooled by the intercooler.
  • the engine intake line assembly has a good noise reduction effect and is easy to install and reduce installation costs.
  • the present invention provides an engine intake line assembly including an end hose, a pipe body, a main muffler, an auxiliary muffler, a cladding, and a connecting bracket, the end a hose is disposed at one end of the pipe body, the pipe body is connected to the main muffler away from the other end of the end hose, and the auxiliary muffler is disposed on the pipe body, the bag a cladding coating on the engine conduit assembly, the engine conduit assembly being fixed to the engine by the connecting bracket On the side wall.
  • the coating layer is a coating layer made of a silicone material or a non-woven fabric-aluminum foil composite material.
  • one end of the end hose is connected to the pipe body through a clamp, and the other end of the end hose is connected to the engine component through a clamp or a quick plug.
  • the main muffler includes a muffler outer tube and a muffler inner tube
  • the muffler outer tube includes an end cover, a tube body and a connecting tube
  • the muffler inner tube is disposed in the tube body
  • the end cap Provided at one end of the pipe body and connected to the pipe body, the connecting pipe is disposed at one end of the pipe body away from the end cover
  • a plurality of partitions are disposed between the inner tube of the muffler and the outer tube of the muffler, and the plurality of partitions are disposed at intervals along a length direction of the inner tube of the muffler, and each partition is disposed on an outer wall of the inner tube of the muffler.
  • the muffler inner tube, the muffler outer tube and the adjacent two partitions enclose a muffing cavity, and the muffler inner tube is further provided with a through hole, and each muffler cavity passes through at least one through hole Connected to the internal piping of the muffler inner tube.
  • an activated carbon-screen composite layer and a sound absorbing material layer are sequentially disposed from the muffler inner tube to the muffler outer tube.
  • the main muffler includes a muffler outer tube and a muffler inner tube
  • the muffler outer tube includes an end cover, a tube body and a connecting tube
  • the muffler inner tube is disposed in the tube body
  • the end cap Provided at one end of the pipe body and connected to the pipe body, the connecting pipe is disposed at one end of the pipe body away from the end cover
  • a plurality of partitions are disposed between the inner tube of the muffler and the outer tube of the muffler, and the plurality of partitions are disposed at intervals along a length direction of the inner tube of the muffler, and each partition is disposed on an outer wall of the inner tube of the muffler.
  • the muffler inner tube is provided with a connecting muffler along the circumferential direction of the muffler inner tube
  • the pipeline body is provided with a gap
  • the auxiliary muffler is fixed on the pipeline body through the gap
  • the auxiliary muffler includes an auxiliary muffler housing and an auxiliary muffler inner panel
  • An auxiliary muffler inner plate is fixed on the auxiliary muffler housing
  • the auxiliary muffler housing is fixed on the pipeline body
  • a cavity is defined between the auxiliary muffler housing and the auxiliary muffler inner panel
  • the auxiliary muffler inner plate is provided with a plurality of perforations, and the cavity is connected to the inner pipe of the pipe body through the perforations.
  • an overflow groove is formed on the connecting surface of the auxiliary muffler housing corresponding to the pipeline body, and the auxiliary muffler housing is welded to the pipeline body by a vibration friction welding process.
  • the pipeline body is provided with a gap
  • the auxiliary muffler is fixed on the pipeline body through the gap
  • a plurality of 1/4 wavelength tubes are disposed on the auxiliary muffler.
  • Each of the 1/4 wavelength tubes is connected to an internal conduit of the conduit body.
  • the present invention also provides a vehicle including an engine intake line assembly provided by the present invention.
  • the vibration of the engine is first reduced by the end hose, and the noise is first reduced; when the noise propagates inside the intake pipe assembly ⁇
  • the noise is first attenuated by the auxiliary muffler, and then the noise is attenuated a second time by the main muffler, which can reduce the noise generated by the supercharger to a large extent; when the noise passes through the intake pipe total
  • the noise is first attenuated due to the sound absorption and sound insulation of the pipeline assembly itself.
  • the noise is further attenuated. This greatly reduces the noise that passes through this path.
  • the intake line assembly can better attenuate the noise generated by the supercharger.
  • the invention can reduce the volume of the entire intake pipe while effectively attenuating the noise, thereby reducing interference with peripheral parts, facilitating installation and reducing installation cost.
  • FIG. 1 is a schematic structural view of an engine intake pipe assembly according to a first embodiment of the present invention.
  • FIG. 2 is a schematic structural view of the cladding layer of FIG. 1 wrapped around an engine intake pipe assembly.
  • FIG. 3 is a schematic structural view of the end portion of the pipe body of FIG. 1.
  • FIG. 4 is a schematic cross-sectional view showing a main muffler of an intake pipe assembly of an engine according to a first embodiment of the present invention.
  • FIG. 5 is a schematic view of the filling structure of the muffler cavity of the main muffler of FIG. 4.
  • 6 is a schematic structural view of an auxiliary air muffler of an engine intake pipe assembly according to a first embodiment of the present invention
  • FIG. 7 is a schematic structural view of the muffler housing and the muffler inner panel of the auxiliary muffler of FIG. 6.
  • FIG. 8 is a schematic cross-sectional view of the auxiliary muffler of FIG. 6.
  • FIG. 9 is a schematic structural view of an auxiliary muffler overflow trough.
  • FIG. 10 is a schematic cross-sectional structural view of a main muffler in a second embodiment of the present invention.
  • FIG. 11 is a schematic structural view of an auxiliary muffler according to a third embodiment of the present invention.
  • the engine intake line assembly has a good noise reduction effect and is easy to install and reduce installation costs.
  • FIG. 1 is a schematic structural view of an engine intake pipe assembly according to a first embodiment of the present invention
  • FIG. 2 is a structural schematic view of the cladding layer 50 of FIG. 1 wrapped around an engine intake pipe assembly.
  • FIG. Figure 1 is a schematic view showing the structure of the end of the pipe body.
  • the engine intake pipe assembly may be disposed between the air cleaner and the inlet of the supercharger or the compressor, and may also be disposed at the outlet of the compressor.
  • the engine intake line assembly includes an end hose 10, a pipe body 20, a main muffler 30, an auxiliary muffler 40, a cladding 50, and a connection bracket 60.
  • the end hose 10 is disposed at one end of the pipeline body 20, and the other end of the pipeline body 20 away from the end hose 10 is connected to the main muffler 30.
  • the auxiliary muffler 40 is disposed on the pipeline body 20, and the cladding layer 50 is covered.
  • the engine intake line assembly is secured to the side wall of the engine via a connecting bracket 60.
  • the pipe body 20 is adjacent to one end of the main muffler 30, and is further provided with a steam pipe joint 71, and a curved pipe joint 72 is disposed between the main muffler 30 and the engine.
  • the noise generated by the supercharger has two transmission paths, one is radiated into the air through the intake line assembly, and the other is transmitted to the intake port of the engine through the intake line assembly.
  • the vibration of the engine is first reduced by the end hose 10, and the noise is performed.
  • the first noise is first attenuated by the auxiliary muffler 40, and then the noise is secondarily attenuated by the main muffler 30, which can be largely
  • the noise generated by the supercharger is reduced; when the noise is radiated into the air through the intake pipe assembly, the noise is first attenuated due to the sound absorption and sound insulation of the pipe assembly itself, when passing through the pipe assembly With the overlying cladding 50 ⁇ , the noise is further attenuated, which greatly reduces the noise that passes through the path. Therefore, the intake line assembly can better attenuate the noise generated by the supercharger.
  • the invention can reduce the volume of the entire intake pipe assembly while effectively attenuating the noise, thereby reducing interference with peripheral components, facilitating installation, and reducing installation cost.
  • the coating layer 50 may be a coating layer 50 made of a silica gel material, and the silica gel material may be pressed.
  • the film forming process is applied to all or part of the intake line assembly.
  • the coating layer 50 may also be a coating layer 50 made of a non-woven fabric-aluminum foil composite material, and the non-woven fabric-aluminum foil composite material may be buckled to all or part by a button structure. On the gas line assembly.
  • FIG. 3 is a schematic structural view of the end portion of the pipe body of FIG. 1.
  • one end of the end hose 10 is connected to the pipe body 20 through the clamp 21, and the other end is connected. It is connected to engine components, such as a supercharger, via a clamp 21 or a push-in plug.
  • limit bosses 22 for preventing the disconnecting members from coming off are provided.
  • FIG. 4 is a schematic cross-sectional structural view of a main muffler of an intake pipe assembly of an engine according to a first embodiment of the present invention
  • FIG. 5 is a schematic view of a filling structure of a muffler cavity of a main muffler of FIG. 4, as shown in FIG. 4 and FIG.
  • the main muffler 30 is a perforated muffler
  • the main muffler 30 includes a muffler outer tube 31 and a muffler inner tube 32.
  • the muffler outer tube 31 includes an end cover 311, a tube body 312 and a connecting tube 313, and the muffler inner tube 32 is disposed in the tube body 312, the end cover 311 is disposed on one end of the tube body 312, and is connected to the pipeline body 20, and the connecting tube 313 is disposed at one end of the tube body 312 away from the end cover 311, and adjacent to the zero Parts, such as intercoolers.
  • the above-mentioned curved pipe joint 72 is disposed on the connecting pipe 313.
  • a plurality of partition plates 321 are disposed between the muffler inner tube 32 and the muffler outer tube 31, and a plurality of partition plates 321 are disposed at intervals along the longitudinal direction of the muffler inner tube 32, and each partition plate 321 is disposed on the outer wall of the muffler inner tube 32 and Extending toward the direction in which the muffler outer tube 31 is located, the muffler inner tube 32, the muffler outer tube 31, and the adjacent two partition plates 321 define a muffling chamber 33.
  • Muffler inner tube 32 A through hole 322 is also provided, and each of the muffling chambers 33 is connected to the internal pipe of the muffler inner tube 32 through at least one through hole 322.
  • the sound absorbing chamber 33 is further filled with a sound absorbing material.
  • a filter is provided, and in order to prevent the sound absorbing material from being carried into the engine by the high velocity airflow, between the sound absorbing material and the internal pipeline of the muffler inner tube 32, activated carbon may be disposed between the filter and the internal pipe of the muffler inner tube 32.
  • an activated carbon layer-filter composite layer 331 and a sound absorbing material layer 332 are sequentially disposed in the muffler chamber 33 from the muffler inner tube 32 to the muffler outer tube 31.
  • a metal bushing 314 is further disposed on the inner wall of one end of the pipe body 312 of the connecting pipe 313 away from the muffler outer pipe 31 to be connected to the adjacent components.
  • a reinforcing rib 315 is further disposed on the outer side wall of the outer tube 31 of the muffler to improve the mode of the pipe assembly, to prevent the pipe assembly from resonating with the air flow, and to reduce radiation noise.
  • the shape of the main muffler 30 is not limited to a cylindrical shape, and may be an elliptical shape, a square shape, or an irregular shape as needed.
  • the volume, the perforation rate and the number of perforations of the muffling chamber 33 in the main muffler 30 can be set according to actual needs.
  • FIG. 6 is a schematic structural view of an auxiliary air muffler of an engine intake pipe assembly according to a first embodiment of the present invention
  • FIG. 7 is a structural schematic view of an outer muffler housing and a muffler inner plate of the auxiliary muffler of FIG. 6
  • FIG. 8 is a schematic diagram of FIG. Schematic diagram of the cross section of the auxiliary muffler.
  • a slit 21 is provided in the pipe body 20, and the auxiliary muffler 40 is fixed to the pipe body 20 through the slit 21.
  • the auxiliary muffler 40 includes an auxiliary muffler housing 41 and an auxiliary muffler inner plate 42, and the auxiliary muffler inner plate 42 is fixed to the auxiliary muffler housing 41, and the auxiliary muffler housing 41 can be fixed to the pipe body 20 by welding.
  • a cavity (not shown) is defined between the auxiliary muffler housing 41 and the auxiliary muffler inner plate 42.
  • the auxiliary muffler inner plate 42 is provided with a plurality of through holes 421, and the cavity passes through the through holes 421 and the inside of the pipe body 20 The pipes are connected.
  • the auxiliary muffler housing 41 is formed with a projection 411 to increase the volume of the muffler chamber 33.
  • a card slot 412 is disposed on the auxiliary muffler housing 41, and a buckle 422 is disposed on the auxiliary muffler inner plate 42 at a position corresponding to the card slot, and the auxiliary muffler inner plate 42 passes through the buckle and the card slot. It is fixed to the auxiliary muffler housing 41.
  • the pipe body 20 is curved, and the auxiliary muffler housing 41 and the auxiliary muffler inner plate 42 are arcs. Shape.
  • FIG. 9 is a schematic structural view of an auxiliary muffler overflow tank.
  • an overflow groove 413 is formed on the connecting surface of the auxiliary muffler housing 41 corresponding to the pipeline body 20, and the auxiliary muffler housing 41 is subjected to a vibration friction welding process and a pipeline.
  • the body 20 is welded, and after the vibration ribs are vibrated and rubbed, they are melted into the overflow tank 413.
  • a spacer 61 for damping vibration is further provided on the connecting bracket 60.
  • FIG. 10 is a cross-sectional structural view of a main muffler according to a second embodiment of the present invention.
  • an engine intake pipe assembly according to a second embodiment of the present invention and an engine intake pipe provided by the first embodiment are provided.
  • the road assemblies are substantially identical except that the main muffler 30 is a slotted muffler.
  • the main muffler 30 includes a muffler outer tube 31 and a muffler inner tube 32.
  • the muffler outer tube 31 includes an end cap 311, a tube body 312 and a connecting tube 3 13.
  • the muffler inner tube 32 is disposed in the tube body 312, and the end cap 311 is covered in the tube
  • One end of the body 312 is connected to the pipe body 20, and the connecting pipe 313 is disposed at one end of the pipe body 312 away from the end cover 311 and is connected to the engine.
  • a plurality of partition plates 321 are disposed between the muffler inner tube 32 and the muffler outer tube 31, and a plurality of partition plates 321 are disposed at intervals along the longitudinal direction of the muffler inner tube 32, and each partition plate 321 is disposed on the outer wall of the muffler inner tube 32 and Extending toward the direction in which the muffler outer tube 31 is located, the muffler inner tube 32, the muffler outer tube 31, and the adjacent two partition plates 321 define a muffling chamber 33.
  • the muffler inner tube 32 is provided with an annular groove 323 connecting the inner wall and the outer wall of the muffler inner tube 32 along the circumferential direction of the muffler inner tube 32.
  • Each of the muffling chambers 33 passes through at least one annular groove 32 3 and the inner pipe of the muffler inner tube 32. Connected. Similarly, an activated carbon layer-screen composite layer 331 and a sound absorbing material layer 332 are sequentially disposed in the muffler chamber 33 from the muffler inner tube 32 to the muffler outer tube 31.
  • FIG. 11 is a schematic structural view of an auxiliary muffler according to a third embodiment of the present invention.
  • an engine intake pipe assembly according to a second embodiment of the present invention and an engine intake pipe provided by the first embodiment are provided.
  • the assembly is basically the same, except that a gap 21 is formed in the pipe body 20, and the auxiliary muffler 40 is fixed to the pipe body 20 through the gap 21, and the auxiliary muffler 40 is provided with a plurality of 1/4 wavelengths.
  • Tube 414, each of the 1/4 wavelength tubes 414 is connected to the internal conduit of the conduit body 20, and the noise in the pipeline assembly is first attenuated by a plurality of 1/4 wavelength tubes 414.
  • the present invention also provides a vehicle, including the engine intake pipe assembly provided by the present invention.
  • vehicle including the engine intake pipe assembly provided by the present invention.
  • the vibration of the engine is reduced by the end hose 10, and the noise is first reduced; when the noise is in progress
  • the gas pipeline assembly internally propagates ⁇ .
  • the noise is first attenuated by the auxiliary muffler 40, and then the noise is secondarily attenuated by the main muffler 30, which can reduce the noise generated by the supercharger to a large extent;
  • the noise is first attenuated due to the sound absorption and sound insulation of the pipe assembly itself.
  • the coating is coated on the pipe assembly 50 ⁇
  • the noise is further attenuated, which greatly reduces the noise that passes through the path. Therefore, the intake line assembly can better attenuate the noise generated by the supercharger.
  • the present invention can reduce the volume of the entire intake pipe while effectively attenuating the noise, thereby reducing interference with peripheral components, facilitating installation, and reducing installation cost.
  • the vibration of the engine is first reduced by the end hose, and the noise is first reduced; when noise propagates inside the intake pipe assembly ⁇ First, the noise is first attenuated by the auxiliary muffler, and then the noise is attenuated a second time by the main muffler, which can reduce the noise generated by the supercharger to a large extent; when the noise passes through the intake pipe assembly Radiation into the air, due to the sound absorption and sound insulation of the pipeline assembly itself, the noise is first attenuated. When the coating is covered by the pipeline assembly, the noise is further attenuated. The noise that passes through this path is greatly reduced.
  • the intake line assembly can better attenuate the noise generated by the supercharger.
  • the invention can reduce the volume of the entire intake pipe while effectively attenuating the noise, thereby reducing interference with peripheral parts, facilitating installation and reducing installation cost.

Abstract

一种车辆及其发动机进气管路总成，发动机进气管路总成包括端部软管（10）、管路本体（20）、主消声器（30）、辅助消声器（40）、包覆层（50）及连接支架（60），端部软管（10）设置于管路本体（20）的一端，管路本体（20）远离端部软管（10）的另一端与主消声器（30）相连，辅助消声器（40）设置于管路本体（20）上，包覆层（50）包覆于发动机管路总成上，发动机管路总成通过连接支架（60）固定于发动机的侧壁上。该发动机进气管路总成具有较好的消声效果，且便于安装，降低安装成本。

Description

发动机进气管路总成及具有其的车辆 技术领域
[0001] 本发明涉及汽车零部件技术领域， 尤其是一种发动机进气管路总成及具有该发 动机进气管路总成的车辆。
背景技术
[0002] 随着汽车行业的快速发展， 人们对汽车性能的要求也越来越高， 增压发动机因 其能够提升燃油的经济性及降低尾气排放， 而受到了越来越多人的欢迎。 增压 发动机包括进气管路总成及发动机， 进气管路总成包括增压器、 连接管道及中 冷器， 空气从增压器进入连接管道内， 然后经过中冷器降温后再进入发动机中 技术问题
[0003] 增压器在工作吋， 引起转速比较高， 噪音比较大， 因此需要在增压器与中冷器 之间增加消声器以降低增压器的噪音及振动。 在现有技术中， 多采用单一消声 器， 单一消声器的消声效果有限， 其次， 现有技术中， 消声器占用的空间较大 ， 适用性差， 同吋多采用焊接结构， 因此导致消声器容易与其他零部件发生干 涉， 安装及布设成本较大。
问题的解决方案
技术解决方案
[0004] 本发明的目的在于提供一种发动机进气管路总成及具有该发动机进气管路总成 的车辆。 该发动机进气管路总成具有较好的消声效果， 且便于安装， 降低安装 成本。
[0005] 本发明提供了一种发动机进气管路总成， 所述发动机进气管路总成包括端部软 管、 管路本体、 主消声器、 辅助消声器、 包覆层及连接支架， 所述端部软管设 置于所述管路本体的一端所述管路本体远离所述端部软管的另一端与所述主消 声器相连， 所述辅助消声器设置于所述管路本体上， 所述包覆层包覆于所述发 动机管路总成上， 所述发动机管路总成通过所述连接支架固定于所述发动机的 侧壁上。
[0006] 进一步地， 所述包覆层为由硅胶材料或者无纺布-铝箔复合材料制成的包覆层
[0007] 进一步地， 所述端部软管的一端通过卡箍与所述管路本体相连， 所述端部软管 的另一端通过卡箍或快插插头与发动机零部件相连。
[0008] 进一步地， 所述主消声器包括消声器外管及消声器内管， 所述消声器外管包括 端盖、 管体及连接管， 所述消声器内管设置于所述管体内， 所述端盖设置于所 述管体的一端并与所述管路本体相连， 所述连接管设置于管体远离端盖的一端
， 所述消声器内管与所述消声器外管之间设置有多个隔板， 多个隔板沿消声器 内管的长度方向间隔布设， 每一隔板设置于所述消声器内管的外壁上， 并朝向 消声器外管所在的方向延伸， 消声器内管、 消声器外管及相邻的两个隔板围成 一消声腔， 消声器内管上还设置有通孔， 每一消声腔通过至少一个通孔与消声 器内管的内部管路相连。
[0009] 进一步地， 在所述消声腔内， 从所述消声器内管至所述消声器外管方向依次设 置有活性炭-滤网复合层及吸声材料层。
[0010] 进一步地， 所述主消声器包括消声器外管及消声器内管， 所述消声器外管包括 端盖、 管体及连接管， 所述消声器内管设置于所述管体内， 所述端盖设置于所 述管体的一端并与所述管路本体相连， 所述连接管设置于管体远离端盖的一端
， 所述消声器内管与所述消声器外管之间设置有多个隔板， 多个隔板沿消声器 内管的长度方向间隔布设， 每一隔板设置于所述消声器内管的外壁上， 并朝向 消声器外管所在的方向延伸， 消声器内管、 消声器外管及相邻的两个隔板围成 一消声腔， 所述消声器内管上沿所述消声器内管的周向幵设有连通消声器内管 内壁与外壁之间的环形槽， 每一消声腔通过至少一个所述环形槽与所述消声器 内管的内部管路连通。
[0011] 进一步地， 所述管路本体上幵设有豁口， 所述辅助消声器通过所述豁口固定于 所述管路本体上， 所述辅助消声器包括辅助消声器外壳及辅助消声器内板， 所 述辅助消声器内板固定于所述辅助消声器外壳上， 所述辅助消声器外壳固定于 所述管路本体上， 所述辅助消声器外壳与所述辅助消声器内板之间围成有腔体 ， 所述辅助消声器内板上设置有多个穿孔， 所述腔体通过所述穿孔与所述管路 本体的内部管路相连。
[0012] 进一步地， 所述辅助消声器外壳与所述管路本体相对应的连接面上形成有溢流 槽， 所述辅助消声器外壳通过振动摩擦焊接工艺焊接于所述管路本体上。
[0013] 进一步地， 所述管路本体上幵设有豁口， 所述辅助消声器通过所述豁口固定于 所述管路本体上， 在所述辅助消声器上设置有多个 1/4波长管， 每一所述 1/4波长 管均与所述管路本体的内部管路相连。
[0014] 本发明还提供了一种车辆， 包括本发明提供的发动机进气管路总成。
发明的有益效果
有益效果
[0015] 在本发明中， 当噪声在进气管路总成内传递吋， 首先通过端部软管降低发动机 的振动， 并对噪声进行第一次降低； 当噪声在进气管路总成内部传播吋， 首先 通过辅助消声器， 对噪声进行第一次衰减， 然后再经过主消声器对噪声进行第 二次衰减， 能够在较大程度上降低增压器产生的噪音； 当噪声通过通过进气管 路总成辐射到空气中吋， 由于管路总成自身的吸声及隔声作用， 噪声受到第一 次衰减， 当经过管路总成上包覆的包覆层吋， 噪声受到进一步地衰减， 这就大 大降低了沿该途径穿过的噪声。 因此该进气管路总成能够较好地对增压器产生 的噪声进行衰减。 本发明通过主消声器及辅助消声器的设置， 能够在有效对噪 声进行衰减的同吋， 减少整个进气管路的体积， 因此减少对周边零件的干涉， 便于安装， 减少安装成本。
对附图的简要说明
附图说明
[0016] 图 1为本发明第一实施例提供的发动机进气管路总成的结构示意图。
[0017] 图 2为图 1中包覆层包覆于发动机进气管路总成的结构示意图。
[0018] 图 3为图 1中管路本体端部的结构示意图。
[0019] 图 4为本发明第一实施例提供的发动机进气管路总成主消声器的截面结构示意 图。
[0020] 图 5为图 4中主消声器消声腔内填充结构的示意图。 [0021] 图 6为本发明第一实施例提供的发动机进气管路总成辅助消声器的结构示意图
[0022] 图 7为图 6中辅助消声器内消声器外壳及消声器内板的结构示意图。
[0023] 图 8为图 6中辅助消声器的截面示意图。
[0024] 图 9为辅助消声器溢料槽的结构示意图。
[0025] 图 10为本发明第二实施例中主消声器的截面结构示意图。
[0026] 图 11为本发明第三实施例中辅助消声器的结构示意图。
本发明的实施方式
[0027] 为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效， 以下结 合附图及较佳实施例， 对本发明的具体实施方式、 结构、 特征及其功效， 详细 说明如后。
[0028] 本发明的目的在于提供一种发动机进气管路总成及具有该发动机进气管路总成 的车辆。 该发动机进气管路总成具有较好的消声效果， 且便于安装， 降低安装 成本。
[0029] 图 1为本发明第一实施例提供的发动机进气管路总成的结构示意图， 图 2为图 1 中包覆层 50包覆于发动机进气管路总成的结构示意图， 图 3为图 1中管体端部的 结构示意图。 如图 1至图 3所示， 在本实施例中， 发动机进气管路总成可以设置 于空气滤清器与增压器或压气机的入口之间， 同样也可以设置于压气机的出口 处。 发动机进气管路总成包括端部软管 10、 管路本体 20、 主消声器 30、 辅助消 声器 40、 包覆层 50及连接支架 60。 端部软管 10设置于管路本体 20的一端， 管路 本体 20远离端部软管 10的另一端与主消声器 30相连， 辅助消声器 40设置于管路 本体 20上， 包覆层 50包覆于发动机进气管路总成上， 发动机进气管路总成通过 连接支架 60固定于发动机的侧壁上。 管路本体 20靠近主消声器 30的一端， 还幵 设有蒸汽管接头 71， 在主消声器 30与发动机之间还设置有曲通管接头 72。
[0030] 增压器产生的噪声有两个传递路径， 一个是通过进气管路总成辐射到空气中， 另一个是通过进气管路总成向发动机的进气口传递。 在本发明中， 当噪声在进 气管路总成内传递吋， 首先通过端部软管 10降低发动机的振动， 并对噪声进行 第一次降低； 当噪声在进气管路总成内部传播吋， 首先通过辅助消声器 40， 对 噪声进行第一次衰减， 然后再经过主消声器 30对噪声进行第二次衰减， 能够在 较大程度上降低增压器产生的噪音； 当噪声通过进气管路总成辐射到空气中吋 ， 由于管路总成自身的吸声及隔声作用， 噪声受到第一次衰减， 当经过管路总 成上包覆的包覆层 50吋， 噪声受到进一步地衰减， 这就大大降低了沿该途径穿 过的噪声。 因此该进气管路总成能够较好地对增压器产生的噪声进行衰减。 本 发明通过主消声器 30及辅助消声器 40的设置， 能够在有效对噪声进行衰减的同 吋， 减少整个进气管路总成的体积， 因此减少对周边零件的干涉， 便于安装， 减少安装成本。
[0031] 具体地， 在本实施例中， 考虑老化性能对包覆层 50带来的影响， 优选地， 包覆 层 50可以为由硅胶材料制成的包覆层 50， 硅胶材料可以通过压膜成型工艺包覆 于全部或部分进气管路总成上。
[0032] 在其它实施例中， 包覆层 50也可以为由无纺布-铝箔复合材料制成的包覆层 50 ， 无纺布-铝箔复合材料可以通过扣式结构扣压至全部或部分进气管路总成上。
[0033] 图 3为图 1中管路本体端部的结构示意图， 如图 3所示， 在本实施例中， 端部软 管 10的一端通过卡箍 21与管路本体 20相连， 另一端通过卡箍 21或快插插头与发 动机零部件， 如增压器相连。 在端部软管 10的两端， 均设有防止连接部件脱落 的限位凸台 22。
[0034] 图 4为本发明第一实施例提供的发动机进气管路总成主消声器的截面结构示意 图， 图 5为图 4中主消声器消声腔内填充结构的示意图， 如图 4及图 5所示， 在本 实施例中， 主消声器 30为穿孔式消声器， 主消声器 30包括消声器外管 31及消声 器内管 32， 消声器外管 31包括端盖 311、 管体 312及连接管 313， 消声器内管 32设 置于管体 312内， 端盖 311盖设于管体 312的一端上， 并与管路本体 20相连， 连接 管 313设置于管体 312远离端盖 311的一端， 并与相邻的零部件， 如中冷器相连。 上述的曲通管接头 72幵设于连接管 313上。 消声器内管 32与消声器外管 31之间设 置有多个隔板 321， 多个隔板 321沿消声器内管 32的长度方向间隔布设， 每一隔 板 321设置于消声器内管 32的外壁上并朝向消声器外管 31所在的方向延伸， 消声 器内管 32、 消声器外管 31及相邻的两个隔板 321围成一消声腔 33。 消声器内管 32 上还设置有通孔 322， 每一消声腔 33通过至少一个通孔 322与消声器内管 32的内 部管路相连。
[0035] 进一步地， 在消声腔 33内还填充有吸声材料， 优选地， 为了防止吸声材料被高 速气流带入发动机， 在吸声材料与消声器内管 32的内部管路之间还可以设置有 滤网， 为了防止燃油蒸汽对吸声材料的渗透， 在滤网与消声器内管 32的内部管 路之间还可以设置有活性炭。 在本实施例中， 在消声腔 33中从消声器内管 32至 消声器外管 31方向依次设置有活性炭层 -滤网复合层 331及吸声材料层 332。
[0036] 进一步地， 在连接管 313远离消声器外管 31的管体 312的一端的内壁上还设置有 金属衬套 314， 以便于与相邻零部件相连。 在消声器外管 31的外侧壁上还设有加 强筋 315， 以提高管路总成的模态， 避免管路总成与气流共振， 降低辐射噪声。
[0037] 需要说明的是， 主消声器 30的形状不限定为圆筒形， 也可以根据需要为椭圆形 、 方形及异形等形状。 主消声器 30内消声腔 33的体积、 穿孔率及穿孔数目均可 以根据实际需要进行设定。
[0038] 图 6为本发明第一实施例提供的发动机进气管路总成辅助消声器的结构示意图 ， 图 7为图 6中辅助消声器内消声器外壳及消声器内板的结构示意图， 图 8为图 6 中辅助消声器的截面示意图。 如图 6至图 8所示， 在本实施例中， 在管路本体 20 上幵设有豁口 21， 辅助消声器 40通过豁口 21固定于管路本体 20上。 在本实施例 中， 辅助消声器 40包括辅助消声器外壳 41及辅助消声器内板 42， 辅助消声器内 板 42固定于辅助消声器外壳 41上， 辅助消声器外壳 41可以通过焊接固定于管路 本体 20上。 辅助消声器外壳 41与辅助消声器内板 42之间围成有腔体 （图未示） ， 辅助消声器内板 42上设置有多个穿孔 421， 上述腔体通过穿孔 421与管路本体 2 0的内部管路相连。 为了能够更好地降低噪声， 辅助消声器外壳 41上形成有凸出 部 411， 以增大消声腔 33的体积。
[0039] 为了便于拆装， 在辅助消声器外壳 41上设置有卡槽 412， 在辅助消声器内板 42 上与卡槽相应的位置设置有卡扣 422， 辅助消声器内板 42通过卡扣与卡槽固定于 辅助消声器外壳 41上。
[0040] 进一步地， 为了节省空间， 避免与其它部件的布设产生干涉， 在本实施例中， 管路本体 20呈弧形， 与之相应的辅助消声器外壳 41及辅助消声器内板 42均呈弧 形。
[0041] 图 9为辅助消声器溢料槽的结构示意图。 如图 8及图 9所示， 在本实施例中， 在 辅助消声器外壳 41与管路本体 20相对应的连接面上形成有溢流槽 413， 辅助消声 器外壳 41通过振动摩擦焊接工艺与管路本体 20焊接， 熔融筋经过振动摩擦后， 熔化到溢流槽 413中。
[0042] 进一步地， 如图 1所示， 在本实施例中， 为了减少管路总成的震动， 在连接支 架 60上还设有用于缓冲振动的垫片 61。
[0043] 图 10为本发明第二实施例中主消声器的截面结构示意图， 如图 10所示， 本发明 第二实施例提供的发动机进气管路总成与第一实施例提供的发动机进气管路总 成基本相同， 其不同之处在于， 主消声器 30为穿槽式消声器。 主消声器 30包括 消声器外管 31及消声器内管 32， 消声器外管 31包括端盖 311、 管体 312及连接管 3 13， 消声器内管 32设置于管体 312内， 端盖 311盖设于管体 312的一端上， 并与管 路本体 20相连， 连接管 313设置于管体 312远离端盖 311的一端， 并与发动机相连 。 消声器内管 32与消声器外管 31之间设置有多个隔板 321， 多个隔板 321沿消声 器内管 32的长度方向间隔布设， 每一隔板 321设置于消声器内管 32的外壁上并朝 向消声器外管 31所在的方向延伸， 消声器内管 32、 消声器外管 31及相邻的两个 隔板 321围成一消声腔 33。 消声器内管 32上沿消声器内管 32的周向幵设有连通消 声器内管 32内壁与外壁之间的环形槽 323， 每一消声腔 33通过至少一个环形槽 32 3与消声器内管 32的内部管路连通。 同样地， 在消声腔 33中从消声器内管 32至消 声器外管 31方向依次设置有活性炭层 -滤网复合层 331及吸声材料层 332。
[0044] 图 11为本发明第三实施例中辅助消声器的结构示意图， 如图 11所示， 本发明第 二实施例提供的发动机进气管路总成与第一实施例提供的发动机进气管路总成 基本相同， 其不同之处在于， 在管路本体 20上幵设有豁口 21， 辅助消声器 40通 过豁口 21固定于管路本体 20上， 在辅助消声器 40上设置有多个 1/4波长管 414， 每 一 1/4波长管 414均与管路本体 20的内部管路相连， 通过多个 1/4波长管 414来对管 路总成中的噪声进行第一次衰减。
[0045] 本发明还提供了一种车辆， 包括本发明提供的发动机进气管路总成， 关于该车 辆的其他技术特征， 请参见现有技术， 在此不再赘述。 [0046] 综上所述， 在本发明中， 当噪声在进气管路总成内传递吋， 首先通过端部软管 10降低发动机的振动， 并对噪声进行第一次降低； 当噪声在进气管路总成内部 传播吋， 首先通过辅助消声器 40， 对噪声进行第一次衰减， 然后再经过主消声 器 30对噪声进行第二次衰减， 能够在较大程度上降低增压器产生的噪音； 当噪 声通过进气管路总成辐射到空气中吋， 由于管路总成自身的吸声及隔声作用， 噪声受到第一次衰减， 当经过管路总成上包覆的包覆层 50吋， 噪声受到进一步 地衰减， 这就大大降低了沿该途径穿过的噪声。 因此该进气管路总成能够较好 地对增压器产生的噪声进行衰减。 本发明通过主消声器 30及辅助消声器 40的设 置， 能够在有效对噪声进行衰减的同吋， 减少整个进气管路的体积， 因此减少 对周边零件的干涉， 便于安装， 减少安装成本。
[0047] 以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的精神 和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。
工业实用性
[0048] 在本发明中， 当噪声在进气管路总成内传递吋， 首先通过端部软管降低发动机 的振动， 并对噪声进行第一次降低； 当噪声在进气管路总成内部传播吋， 首先 通过辅助消声器， 对噪声进行第一次衰减， 然后再经过主消声器对噪声进行第 二次衰减， 能够在较大程度上降低增压器产生的噪音； 当噪声通过进气管路总 成辐射到空气中吋， 由于管路总成自身的吸声及隔声作用， 噪声受到第一次衰 减， 当经过管路总成上包覆的包覆层吋， 噪声受到进一步地衰减， 这就大大降 低了沿该途径穿过的噪声。 因此该进气管路总成能够较好地对增压器产生的噪 声进行衰减。 本发明通过主消声器及辅助消声器的设置， 能够在有效对噪声进 行衰减的同吋， 减少整个进气管路的体积， 因此减少对周边零件的干涉， 便于 安装， 减少安装成本。

Claims

权利要求书
一种发动机进气管路总成， 其特征在于： 所述发动机进气管路总成包 括端部软管、 管路本体、 主消声器、 辅助消声器、 包覆层及连接支架 ， 所述端部软管设置于所述管路本体的一端， 所述管路本体远离所述 端部软管的另一端与所述主消声器相连， 所述辅助消声器设置于所述 管路本体上， 所述包覆层包覆于所述发动机管路总成上， 所述发动机 管路总成通过所述连接支架固定于所述发动机的侧壁上。
根据权利要求 1所述的发动机进气管路总成， 其特征在于： 所述包覆 层为由硅胶材料或者无纺布-铝箔复合材料制成的包覆层。
根据权利要求 1所述的发动机进气管路总成， 其特征在于： 所述端部 软管的一端通过卡箍与所述管路本体相连， 所述端部软管的另一端通 过卡箍或快插插头与发动机零部件相连。
根据权利要求 1所述的发动机进气管路总成， 其特征在于： 所述主消 声器包括消声器外管及消声器内管， 所述消声器外管包括端盖、 管体 及连接管， 所述消声器内管设置于所述管体内， 所述端盖设置于所述 管体的一端并与所述管路本体相连， 所述连接管设置于管体远离端盖 的一端， 所述消声器内管与所述消声器外管之间设置有多个隔板， 多 个隔板沿消声器内管的长度方向间隔布设， 每一隔板设置于所述消声 器内管的外壁上， 并朝向消声器外管所在的方向延伸， 消声器内管、 消声器外管及相邻的两个隔板围成一消声腔， 消声器内管上还设置有 通孔， 每一消声腔通过至少一个通孔与消声器内管的内部管路相连。 根据权利要求 4所述的发动机进气管路总成， 其特征在于： 在所述消 声腔内， 从所述消声器内管至所述消声器外管方向依次设置有活性炭 -滤网复合层及吸声材料层。
根据权利要求 1所述的发动机进气管路总成， 其特征在于： 所述主消 声器包括消声器外管及消声器内管， 所述消声器外管包括端盖、 管体 及连接管， 所述消声器内管设置于所述管体内， 所述端盖设置于所述 管体的一端并与所述管路本体相连， 所述连接管设置于管体远离端盖 的一端， 所述消声器内管与所述消声器外管之间设置有多个隔板， 多 个隔板沿消声器内管的长度方向间隔布设， 每一隔板设置于所述消声 器内管的外壁上， 并朝向消声器外管所在的方向延伸， 消声器内管、 消声器外管及相邻的两个隔板围成一消声腔， 所述消声器内管上沿所 述消声器内管的周向幵设有连通消声器内管内壁与外壁之间的环形槽 ， 每一消声腔通过至少一个所述环形槽与所述消声器内管的内部管路 连通。
[权利要求 7] 根据权利要求 1所述的发动机进气管路总成， 其特征在于： 所述管路 本体上幵设有豁口， 所述辅助消声器通过所述豁口固定于所述管路本 体上， 所述辅助消声器包括辅助消声器外壳及辅助消声器内板， 所述 辅助消声器内板固定于所述辅助消声器外壳上， 所述辅助消声器外壳 固定于所述管路本体上， 所述辅助消声器外壳与所述辅助消声器内板 之间围成有腔体， 所述辅助消声器内板上设置有多个穿孔， 所述腔体 通过所述穿孔与所述管路本体的内部管路相连。
[权利要求 8] 根据权利要求 7所述的发动机进气管路总成， 其特征在于： 所述辅助 消声器外壳与所述管路本体相对应的连接面上形成有溢流槽， 所述辅 助消声器外壳通过振动摩擦焊接工艺焊接于所述管路本体上。
[权利要求 9] 根据权利要求 1所述的发动机进气管路总成， 其特征在于： 所述管路 本体上幵设有豁口， 所述辅助消声器通过所述豁口固定于所述管路本 体上， 在所述辅助消声器上设置有多个 1/4波长管， 每一所述 1/4波长 管均与所述管路本体的内部管路相连。
[权利要求 10] —种车辆， 其特征在于： 包括权利要求 1至权利要求 9中任意一项所述 的发动机进气管路总成。
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593708A (zh) * 2016-11-18 2017-04-26 广州汽车集团股份有限公司 发动机进气管路总成及具有其的车辆
JP6577551B2 (ja) * 2017-10-23 2019-09-18 本田技研工業株式会社 吸気装置
CN108374804A (zh) * 2018-01-10 2018-08-07 吉利汽车研究院（宁波）有限公司 一种消声器、具有消声器的涡轮增压器及发动机
CN109356757A (zh) * 2018-12-19 2019-02-19 安徽江淮汽车集团股份有限公司 一种进气系统消声结构
CN109681354A (zh) * 2018-12-22 2019-04-26 江铃控股有限公司 消音装置、汽车进气系统及汽车
CN113374694A (zh) * 2021-07-13 2021-09-10 常熟市思源压缩机产业协同创新中心 一种消声器结构及其制造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1780398A1 (fr) * 2005-10-25 2007-05-02 Hutchinson Raccord souple apte à être monté dans une ligne d'admission d'air d'un moteur thermique turbocompressé
CN201896687U (zh) * 2010-12-20 2011-07-13 郑州日产汽车有限公司 汽车发动机进气装置
CN204419281U (zh) * 2015-01-21 2015-06-24 山东美晨科技股份有限公司 一种带消声器结构的增压器出气管路
CN205117556U (zh) * 2015-10-15 2016-03-30 北汽福田汽车股份有限公司 一种增压器进气管组件及车辆
CN205190036U (zh) * 2015-11-30 2016-04-27 广州汽车集团股份有限公司 中冷管路总成
CN205689332U (zh) * 2016-06-28 2016-11-16 安徽江淮汽车股份有限公司 一种增压器用高频消声器
CN106593708A (zh) * 2016-11-18 2017-04-26 广州汽车集团股份有限公司 发动机进气管路总成及具有其的车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1780398A1 (fr) * 2005-10-25 2007-05-02 Hutchinson Raccord souple apte à être monté dans une ligne d'admission d'air d'un moteur thermique turbocompressé
CN201896687U (zh) * 2010-12-20 2011-07-13 郑州日产汽车有限公司 汽车发动机进气装置
CN204419281U (zh) * 2015-01-21 2015-06-24 山东美晨科技股份有限公司 一种带消声器结构的增压器出气管路
CN205117556U (zh) * 2015-10-15 2016-03-30 北汽福田汽车股份有限公司 一种增压器进气管组件及车辆
CN205190036U (zh) * 2015-11-30 2016-04-27 广州汽车集团股份有限公司 中冷管路总成
CN205689332U (zh) * 2016-06-28 2016-11-16 安徽江淮汽车股份有限公司 一种增压器用高频消声器
CN106593708A (zh) * 2016-11-18 2017-04-26 广州汽车集团股份有限公司 发动机进气管路总成及具有其的车辆

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