CN102644531B - Resonant system - Google Patents
Resonant system Download PDFInfo
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- CN102644531B CN102644531B CN201110042641.XA CN201110042641A CN102644531B CN 102644531 B CN102644531 B CN 102644531B CN 201110042641 A CN201110042641 A CN 201110042641A CN 102644531 B CN102644531 B CN 102644531B
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- resonant cavity
- side plate
- air pipe
- chamber
- resonator
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- 238000010276 construction Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000003313 weakening effect Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- 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
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1261—Helmholtz resonators
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- 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
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1266—Intake silencers ; Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments
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- 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
- F02M35/14—Combined air cleaners and silencers
Abstract
The invention relates to a resonant system. The invention relates to a device for a gas inlet system, wherein the device comprises a shell and a plugged connection part; the shell is provided with a structure the interior of which is a cavity; an opening is arranged at a first end part of the shell; the plugged connection part can be inserted into the cavity of the shell through the opening in a shape matched manner; the shell is provided with a first gas guide pipe; the plugged connection part comprises a second gas guide pipe; the second gas guide pipe is provided with the first end part and a second end part; a first lateral plate is close to a first end part of the second gas guide pipe; and the opening can be hermetically covered by the first lateral plate; furthermore, the first gas guide pipe or a gas guide hole and the second gas guide pipe commonly form a gas inlet pipeline through which gas can flow in or out. The resonant system disclosed by the invention has the advantages of being convenient for processing and simple for assembly.
Description
[technical field]
The present invention relates to a kind of vehicle noise and reduce device, in particular, the present invention relates to a kind of being applied in air inlet system for vehicle in order to reduce the resonator system of engine charge noise.
[background technique]
At present, vehicle is dissolved in the life of ordinary family more and more at large.People also pay attention to all the more the noise of car load and quality of vibration (NVH).Intake system noise is one of main source of internal car noise.Engine aspirating system mainly includes air-strainer and intake manifold, and the air that wherein air-strainer is mainly used in entering motor filters, to remove the impurity in air.
Naturally aspirated engine induction noise is that the pressure surge produced by intake valve periodicity open and close is formed.When mainly comprising IO Intake Valve Opens, piston does the charge pulsation noise caused by variable motion, air column resonance noise during IC Intake Valve Closes in admission line, and the eddy current crack produced during airflow passes intake valve annular space.
A supercharged engine induction noise part is that pressurized machine produces when High Rotation Speed, the aerodynamic noise that the friction mainly comprising blade and air causes air agitation to cause, the noise that the vibration that the horizontal characteristic of injustice of rotary system causes causes; The noise that the pressure surge that another part is intake valve periodicity open and close and produces is formed is delivered to outside by pressurized machine to be caused.Intake system noise is except having considerable influence to vehicle by noise, or the main source of internal car noise, can have influence on the riding comfort of vehicle.
Just so, the usual resonator be provided with in gas handling system for weakening inflow noise and vibration in the prior art.This resonator can be arranged near air filter, such as, be arranged on the upstream of air filter, namely the inflow side place of non-filtered air, or be arranged on the downstream of air filter, the outflow side place of the air after namely filtering.Usually adopt resistance resonator in gas handling system, its principle be sound wave through resonator, utilize sound wave reflection superimposed characteristics, a part of acoustic energy is reflected back toward sound source, and transmission acoustic energy is reduced.Wherein, resonator has multiple way of realization, such as, can be Helmholtz resonator, 1/4 wavelength tube or for porous resonator etc.
The US patent number US11/625902 of GM Global Technology Operation provides a kind of resonator, and this resonator is single Helmholtz resonator.This resonator has the two states comprising starting state and dormant state.When starting state, Helmholtz resonator can operate in attenuating air and flow through pressure surge in path, and on the contrary when dormant state, the resonator air that do not decline flows through pressure surge in path.Wherein be provided with the first bushing element determining at least one volume and the second bushing element being substantially arranged in institute's family first bushing element coaxially in the housing.In particular, the second bushing element optionally and can switch between the two positions relative to the first bushing element changeably.Be dependent on accompanying drawing further, the resonator that this patent provides is only Helmholtz resonator, and the noise under the multiple different frequency of reduction exists certain defect, and its complex structure, processing difficulties.
Further, China Patent Publication No. CN101263297A discloses a kind of resonator of the gas handling system for automobile, it has housing and at least one resonator cavity surrounded by housing, at least one air inlet being used for described resonator cavity and at least one outlet are wherein set in described housing, wherein, the air outlet slit of described resonator cavity is the intakeport of additional unit, particularly air compressor simultaneously.In the disclosure in this patent, housing is divided into multiple part afterwards by weld or molded mode combines.In addition, for the ease of processing this resonator, the different resonant cavitys of resonator flow into along gas and the direction of outflow is arranged, for the circumference along airflow direction, the layout of resonant cavity is very difficult.
In addition dissimilar resonator is also individually disclosed in Chinese patent application such as application number CN20420105656.1, CN20920186733.3, CN2052067680.5, CN2052036309.2.But these resonators otherwise the resonator being single chamber, can not effectively weaken the noise under different frequency, or its shell construction layout has limited to the layout in internal resonance chamber.
[summary of the invention]
One object of the present invention is, provide a kind of novel resonator system, this resonator system can weaken inflow noise effectively.
Of the present invention enter an object be, a kind of resonator system is provided, this resonator system is easy to process, assemble convenient.
Further, resonator system of the present invention can along inlet stream to around circumferentially multiple resonant cavity in housing.
Above-mentioned purpose of the present invention and other objects are achieved through the following technical solutions:
The invention provides a kind of resonator system for engine aspirating system, it comprises housing and grafting part, wherein
Described housing has the inner structure for cavity, and the first end of described housing is provided with opening, and described grafting part can be inserted into form fit in the cavity of described housing by described opening, thus in described housing, form at least one resonant cavity;
Described housing its second end have for gas flow into or flow out the first air pipe or gas port,
Described cutting graftage part is divided and is comprised the second air pipe, and described second air pipe has first end and the second end,
Described second air pipe is provided with the first side plate, and described first side plate is close to the first end of described second air pipe and suitable with described opening,
Wherein, when described grafting part is inserted in described housing completely, described first side plate can cover described opening hermetically, and described first air pipe or gas port and described second air pipe form the admission line flowing into for gas or flow out jointly.
Resonator system provided by the invention, preferably, described housing and described grafting part adopt plastics to make, and described housing and described grafting part are respectively by injection molding forming method unitary moulding.
Resonator system provided by the invention, preferably, described first side plate is so arranged to the distance of the second end of described second air pipe, make when described first side plate is fixedly connected with described opening, the second end of described second air pipe just can contact with described first air pipe or gas port completely.
Resonator system provided by the invention, preferably, described first side plate and described opening is provided with fixed connection apparatus, and described first side plate can be fixedly connected with described opening.
Resonator system provided by the invention, preferably, described fixed connection apparatus is buckle structure, screw connection structure or welded structure.
Resonator system provided by the invention, preferably, the described internal diameter of the second air pipe is identical with external diameter with the internal diameter of described first air pipe with the size of external diameter.
Resonator system provided by the invention, preferably, at least one resonant cavity described is along the axial, circumferential of described second air pipe or radial arrangement.
Resonator system provided by the invention, preferably, along the first end of described second air pipe to the direction of described the second end, described second air pipe circumference is provided with the second side plate, and the cavity of described housing the first chamber and the second chamber are arranged along direction of insertion.
Resonator system provided by the invention, preferably, the area of described second side plate is slightly less than described first side plate, and the radial cross section of described second chamber is slightly less than the corresponding radial cross section of described first chamber.
Resonator system provided by the invention, preferably, the junction of described first chamber and described second chamber is provided with First terrace, and wherein said second side plate adapts to described First terrace.
Resonator system provided by the invention, preferably, described second side plate and described first step are looked like this and are set up, make when described grafting part is inserted in described housing completely, described second side plate is just resisted against on described First terrace, thus described first chamber and the second chamber is separated.
Resonator system provided by the invention, preferably, the direction along described first end to described the second end, described second air pipe circumference is provided with the 3rd side plate, and the chamber of described housing has also been arranged the 3rd chamber along direction of insertion.
Resonator system provided by the invention, preferably, the area of described 3rd side plate is slightly less than described second side plate, and the radial cross section of described 3rd chamber is slightly less than the corresponding radial cross section of described second chamber.
Resonator system provided by the invention, preferably, the junction of described second chamber and described 3rd chamber is provided with second step face, and wherein said 3rd side plate adapts to described second step face.
Resonator system provided by the invention, preferably, described 3rd side plate and described second step are looked like this and are set up, and make when described grafting part is inserted in described housing completely, described 3rd side plate is just resisted against on described second step face.
Resonator system provided by the invention, preferably, described first side plate, the second side plate and the 3rd side plate are arranged in parallel, and described first side plate, the second side plate and the 3rd side plate are set to further perpendicular to described second air pipe.
Resonator system provided by the invention, preferably, in described first chamber, be provided with the first resonant cavity, described first resonant cavity is arranged on described second air pipe between described first side plate and described second side plate.
Resonator system provided by the invention, preferably, described first resonant cavity is the catheter configurations of both ends open, its first end is connected with described second air pipe, when described grafting is inserted partially in described housing, the second end of described first resonant cavity is just resisted against in the respective inner surfaces of described housing.
Resonator system provided by the invention, preferably, described first resonant cavity is the catheter configurations of one end open, and the first end of described first resonant cavity is opening structure, and it is connected with described second air pipe, and the second end of described first resonant cavity is seal construction.
Resonator system provided by the invention, preferably, described first resonant cavity is configured to 1/4 wavelength tube, and described 1/4 wavelength tube is arranged at and offsets frequency is the noise of 600-700Hz.
Resonator system provided by the invention, preferably, is provided with the second resonant cavity in described first chamber, and described second resonant cavity is arranged on described second air pipe along the opposite direction of described first resonant cavity.
Resonator system provided by the invention, preferably, described second resonant cavity is the catheter configurations of both ends open, its first end is connected with described second air pipe, when described grafting is inserted partially in described housing, the second end of described second resonant cavity is just resisted against in the respective inner surfaces of described housing.
Resonator system provided by the invention, preferably, described second resonant cavity is the catheter configurations of one end open, and the first end of described second resonant cavity is opening structure, and it is connected with described second air pipe, and the second end of described second resonant cavity is seal construction.
Resonator system provided by the invention, preferably, described second resonant cavity is configured to 1/4 wavelength tube, and described 1/4 wavelength tube is arranged at and offsets frequency is the noise of 800-1000Hz.
Resonator system provided by the invention, preferably, described first resonant cavity and the second resonant cavity coaxially arranged, and described first resonant cavity and the second resonant cavity have identical internal diameter and external diameter size, and described first resonant cavity and the second resonant cavity are parallel to described first side plate structure.
Resonator system provided by the invention, preferably, the 3rd resonant cavity and the 4th resonant cavity is provided with in described first chamber, in described first chamber, be provided with the first dividing plate be connected with described second side plate with described first side plate, described first chamber is separated described 3rd resonant cavity and the 4th resonant cavity by described first dividing plate.
Resonator system provided by the invention, preferably, described second air pipe is respectively equipped with the opening being communicated to described 3rd resonant cavity and the opening being communicated to described 4th resonant cavity.
Resonator system provided by the invention, preferably, described 3rd resonant cavity and the 4th resonant cavity are configured to Helmholtz resonant cavity respectively, wherein said 3rd resonant cavity is arranged at and offsets frequency is the noise of 400-600Hz, and described 4th resonant cavity is arranged at and offsets frequency is the noise of 100-200Hz.
Resonator system provided by the invention, preferably, described first dividing plate is set to be orthogonal to described first side plate and described second side plate that are parallel to each other.
Resonator system provided by the invention, preferably, the 5th resonant cavity and the 6th resonant cavity is provided with in described second chamber, in described second chamber, be provided with the second partition be connected with described 3rd side plate with described second side plate along substantially horizontal, described second chamber is divided into the 5th resonant cavity and the 6th resonant cavity by described second partition.
Resonator system provided by the invention, preferably, described second air pipe is provided with the first connecting tube being connected to described 5th resonant cavity.
Resonator system provided by the invention, preferably, described 5th resonant cavity is constructed to Helmholtz resonant cavity, and it is arranged at and offsets frequency is the noise of 100-150Hz.
Resonator system provided by the invention, preferably, described second air pipe is provided with the first porous being connected to described 6th resonant cavity.
Resonator system provided by the invention, preferably, described 6th resonant cavity is configured to multi-hole resonant cavity, and it is arranged at and offsets frequency is the noise of 800-1200Hz.
Resonator system provided by the invention, preferably, is provided with the 3rd dividing plate and the 4th dividing plate that described 3rd chamber are divided into the 7th resonant cavity spaced apart from each other, the 8th resonant cavity, the 9th resonant cavity and the tenth resonant cavity in described 3rd chamber.
Resonator system provided by the invention, preferably, described second air pipe is provided with the second connecting tube being connected to described 7th resonant cavity and the 8th resonant cavity, described second connecting tube is separated into first portion and second portion by described 4th dividing plate, the first portion of wherein said second connecting tube is connected to described 7th resonant cavity, and the second portion of described second connecting tube is connected to described 8th resonant cavity.
Resonator system provided by the invention, preferably, described 7th resonant cavity and the 8th resonant cavity are configured to Helmholtz resonant cavity respectively, and wherein said 7th resonant cavity is arranged at and offsets frequency is the noise of 150-300Hz, and described 8th resonant cavity is arranged at and offsets frequency is the noise of 200-350Hz.
Resonator system provided by the invention, preferably, described second air pipe is provided with the second porous and the 3rd porous that are connected respectively to described 9th resonant cavity and the tenth resonant cavity.
Resonator system provided by the invention, preferably, described 9th resonant cavity and the tenth resonant cavity are constructed to multi-hole resonant cavity respectively, and it is arranged at respectively and offsets frequency be the noise of 1500-2000Hz and frequency is the noise of 1200-1500Hz.
The present invention also provides a kind of air-strainer, and wherein aforesaid resonator system is arranged in upstream or the downstream of described air-strainer, or is monolithically integrated in described air-strainer.
In addition, any reasonable combination of technique scheme all should be the present invention's technology contents required for protection.
Easy understand, resonator system processing of the present invention is simple, easy for installation, can arrange the resonant cavity of the different frequency noise of multiple weakening in addition around the axial, circumferential of described admission line and radial direction easily.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, carry out describing in detail or preferably to the preferred embodiment of the present invention, wherein,
Fig. 1 is the perspective illustration of the resonator system under a kind of preferred implementation of the present invention;
Fig. 2 is the exploded view of the resonator system shown in Fig. 1 of the present invention;
Fig. 3 is the structural representation of the first chamber of the resonator system intercepted along the A-A cross section shown in Fig. 1 of the present invention;
Fig. 4 is the structural representation of the second chamber of the resonator system intercepted along the B-B cross section shown in Fig. 1 of the present invention; And
Fig. 5 is the structural representation of the 3rd chamber of the resonator system intercepted along the C-C cross section shown in Fig. 1 of the present invention.
[embodiment]
Easy understand, according to technological scheme of the present invention, do not changing under connotation of the present invention, one of ordinary skill in the art can propose multiple mode of structure of the present invention.Therefore following embodiment and accompanying drawing are only illustrating technological scheme of the present invention, and should not be considered as of the present invention all or the restriction be considered as technical solution of the present invention or restriction.
In addition, if be employed herein term " upstream ", " downstream ", its direction represented is that the direction flowed into along gas in gas handling system is in " upstream " of flowing gas or is in " downstream ".This is apparent for a person skilled in the art.And " on ", D score, "left", "right" direction be all dependent on the orientation shown in attached Fig. 1 and 2.
Below with reference to Fig. 1 and Fig. 2 of the present invention, it illustrates the structural representation of resonator system of the present invention.Wherein, the resonator system 1 of the present invention grafting part 20 that mainly includes housing 10 and be connected with housing 10 form fit.Described housing 10 and described grafting part 20 are preferably adopted made of plastic.Further preferably, described housing 10 and described grafting part 20 are respectively by the independent unitary moulding of injection molding forming method.Described resonator system 1 can be arranged on the upstream end of air-strainer according to the practical layout situation of engine bin or be arranged on the downstream part of air-strainer, or is monolithically integrated on described air-strainer.
As shown in Figure 2, housing 10 has first end 101 along gas flow direction and the second end 102, the right-hand end namely shown in Fig. 1 and Fig. 2 and left end.First end 101 place shown in Fig. 2 is provided with opening 103.In addition, described housing 10 has the internal cavity structures for holding described grafting part 20.Described grafting part 20 can be inserted into form fit in the chamber of described housing 10 by this opening 101.Certainly, those skilled in the art is also appreciated that in other mode of executions of the present invention, and housing 10 also upside shown in Fig. 2 or downside place can be provided with opening, and described grafting part 20 is inserted in the cavity of housing ordinatedly by this opening shape.Just preferably under processing for housing 10 and grafting part 20 convenient unlike the embodiment shown in Fig. 2.
In fig. 1 and 2, described housing 10 is provided with the first air pipe 110 flowing into for gas or flow out at its second end 102.Described first air pipe 110 is connected with the cavity of described housing 10.When gas flows into the right from the left side of described resonator system 1, described first air pipe 110 is ingress pipe, and described first air pipe 110 is delivery line in the con-trary case.
Certainly, those skilled in the art is also appreciated that the first air pipe 110 also directly can be configured to gas port structure at described housing 10 the second end 102 place here.
Described grafting part 20 comprises the second air pipe 210, and described second air pipe 210 has first end 211 and the second end 212.Preferably, the described internal diameter of the second air pipe 210 is identical with external diameter with the internal diameter of described first air pipe 110 with the size of external diameter.First side plate 220 is close to described first end 211 and is arranged on described second air pipe 210.Structure and the described opening 103 of described first side plate 220 are suitable, and make when described grafting part 20 is inserted in described housing 10 completely, described first side plate 220 can cover described opening 103 hermetically.Preferably, described first side plate 220 and described opening 103 are provided with fixed connection apparatus, described first side plate 220 can be fixedly connected with described opening 103.This fixed connection apparatus can be buckle structure, screw connection structure, welded structure or other similar structure, and this is apparent for a person skilled in the art on the basis of reading specification of the present invention, therefore seldom repeats.Further preferably, when they are fixedly connected with, also can ensure being tightly connected between described first side plate 220 and described opening 103 further by such as Stamping Steel Ribbon, thus avoid extraneous gas to circulate mutually with the gas of enclosure interior.
When described housing 10 and described grafting part 20 are in mounting point, described first air pipe 110 or gas port and described second air pipe 210 form the admission line flowing into for gas or flow out jointly.In a preferred embodiment of the invention, described first side plate 220 should so be arranged to the distance of the second end 212 of described second air pipe 210, make when described first side plate 220 is fixedly connected with described opening 103, described the second end 212 just can contact completely with described first air pipe 110, as shown in Figure 1.
The present invention by housing 10 and grafting part 20 individually injection moulding manufacture, and makes described grafting part 20 can be inserted in described housing 10, thus the manufacture of easy resonator system of the present invention and assembling.In addition, by mode like this, can as required in grafting part 20 and described housing 10 axially, circumference or radial direction arrange multiple resonant cavity, thus provides greater flexibility and possibility for various types of Resonator design.
When described first side plate 220 seals with described opening, described grafting part 20 forms at least one resonant cavity with the inwall of described housing.At least one resonant cavity described is used for cutting down the vibration frequency entering air, thus reduces inflow noise.In a preferred embodiment of the present invention, along described first end 211 to the direction of described the second end 212, except described first side plate 210, described second air pipe 210 circumference is also provided with the second side plate 230.Be inserted in the chamber of described housing 10 for the ease of described grafting part 20, preferably, the area of described second side plate 230 is slightly less than described first side plate 220.Correspondingly, the chamber of described housing 10 is also provided with the first chamber 120 and the second chamber 130 along direction of insertion, and the radial cross section of wherein said second chamber 130 is slightly less than the corresponding radial cross section of described first chamber 120.Described first chamber 120 is provided with First terrace 121 with the junction of described second chamber 130, and wherein said second side plate 230 adapts to described First terrace 121, and described second side plate 230 can be resisted against on described First terrace 121.Further preferably, described second side plate 230 is so set up with described First terrace 121, and make when described grafting part 20 is inserted in described housing 10 completely, described second side plate 230 is just resisted against on described First terrace 121.
In present invention further optimization mode of execution, along described first end 211 to the direction of described the second end 212, except described first side plate 220 and described second side plate 230, described second air pipe 210 circumference is also provided with the 3rd side plate 240.Be inserted in the chamber of described housing 10 for the ease of described grafting part 20, preferably, the area of described 3rd side plate 240 is slightly less than described second side plate 230.Correspondingly, the chamber of described housing 10 except being provided with the first chamber 120 and the second chamber 130, is also provided with the 3rd chamber 140 along direction of insertion, and the radial cross section of wherein said 3rd chamber 140 is slightly less than the corresponding radial cross section of described 3rd chamber 130.Described second chamber 130 is provided with second step face 131 with the junction of described 3rd chamber 140, and wherein said 3rd side plate 240 adapts to described second step face 131, and described 3rd side plate 240 can be resisted against on described second step face 131.Further preferably, described 3rd side plate 240 is so set up with described second step face 131, and make when described grafting part 20 is inserted in described housing 10 completely, described 3rd side plate 240 is just resisted against on described second step face 131.
Further preferably, described first side plate 220, second side plate 230 and the 3rd side plate 240 arranged in parallel, and more preferably vertically with described second air pipe 210 to arrange, thus the more convenient integral molded plastic in described grafting part 20 is shaped, and this set of described grafting part 20 arranges the working life that more can ensure described grafting part 20 compared to other.
As can be seen here, by described first side plate 220, second side plate 230 and the 3rd side plate 240, the chamber of described housing 10 is separated into three the first chamber 120, second chambers 130 and the 3rd chamber 140 be spaced apart from each other.Certainly, those skilled in the art will appreciate that except this preferred implementation, the chamber of described housing 10 can be separated into two chambers or the chamber more than three, and this depends on the actual demand of the noise weakening different frequency.
The preferred implementation arranging multiple different resonant cavity in the first chamber 120, second chamber 130 and the 3rd chamber 140 is described further combined with Fig. 3-Fig. 5 of the present invention below.
Fig. 3 shows the sectional view of described first chamber 120.Wherein, as shown in Figures 2 and 3, between described first side plate 220 and described second side plate 230, on described second air pipe 210, be provided with the first resonant cavity 123 being preferably and vertically extending.Preferably, described first resonant cavity 123 is the catheter configurations of both ends open, its first end is connected with described second air pipe 210 inside, and when described grafting part 20 is inserted in described housing 10, the second end of described first resonant cavity 123 is just resisted against in the respective inner surfaces of described housing.In another preferred embodiment, described first resonant cavity 123 is the catheter configurations of one end open, the first end of described first resonant cavity 123 is opening structure, and it is connected with described second air pipe 210 inside, and the second end of described first resonant cavity 123 is seal construction.
Further preferably, described first resonant cavity 123 is configured to 1/4 wavelength tube, and it is the noise of 600-700Hz that described 1/4 wavelength tube is further used for offsetting such as frequency.The concrete mode of this realization can be arranged by carrying out adjustment to the pipe range, diameter etc. of 1/4 wavelength tube.
In further preferred embodiment, the opposite direction along described first resonant cavity 123 is provided with the second resonant cavity 124 on described second air pipe 210.Preferably, described second resonant cavity 124 is the catheter configurations of both ends open, its first end is connected with described second air pipe 210 inside, and when described grafting part 20 is inserted in described housing 10, the second end of described second resonant cavity 124 is just resisted against in the respective inner surfaces of described housing.In another preferred embodiment, described second resonant cavity 124 is the catheter configurations of one end open, the first end of described second resonant cavity 124 is opening structure, and it is connected with described second air pipe 210 inside, and the second end of described second resonant cavity 124 is seal construction.Equally further preferably, described second resonant cavity 124 is configured to 1/4 wavelength tube, and it is the noise of 800-1000Hz that described 1/4 wavelength tube is further used for offsetting such as frequency.
In present invention further optimization mode of execution, described first resonant cavity 123 and the second resonant cavity 124 coaxially arranged, and described first resonant cavity 123 and the second resonant cavity 124 have identical internal diameter and external diameter size.
In addition preferably, described first resonant cavity 123 and the second resonant cavity 124 is parallel to described first side plate 220 and described second side plate 230 constructs.
In addition, vertical direction shown in the figure is provided with the first dividing plate 127 be connected with described second side plate 230 with described first side plate 220, described first chamber 120 is separated into two other resonant cavity by described first dividing plate 127, is respectively the 3rd resonant cavity 125 and the 4th resonant cavity 126.Wherein, described second air pipe 210 is respectively equipped with the opening 128 being communicated to described 3rd resonant cavity 125 and the opening 129 being communicated to described 4th resonant cavity 126.Preferably, described 3rd resonant cavity 125 and the 4th resonant cavity 126 are configured to Helmholtz resonant cavity respectively, wherein said 3rd resonant cavity 125 is the noise of 400-600Hz for offsetting such as frequency, described 4th resonant cavity 126 is the noise of 100-200Hz for offsetting such as frequency, and the mode of this realization is specifically dependent on the openings of sizes of opening 128,129 and the volume of the 3rd resonant cavity 125 and the 4th resonant cavity 126.
Further preferably, described first dividing plate 127 is set to be orthogonal to described first side plate 220 and described second side plate 230 that are parallel to each other.
Therefore, as shown in Figure 3, described first chamber 120 can be divided into the first resonant cavity 123 and the second resonant cavity 124 being configured to 1/4 wavelength tube, and is configured to the 3rd resonant cavity 125 and the 4th resonant cavity 126 of Helmholtz resonant cavity.
In addition, on the basis of aforementioned description, described first dividing plate 127 also anyly may can to extend in direction along substantially horizontal or other, thus described first chamber 120 is divided into the 3rd resonant cavity that is in top and is in the 4th resonant cavity of bottom or the resonant cavity in other directions.
With further reference to Fig. 4, it illustrates the sectional view of the second chamber 130.In the embodiment shown in fig. 4, be provided with the second partition 132 be connected with described 3rd side plate 240 with described second side plate 230 along substantially horizontal, described second chamber 130 is divided into spaced 5th resonant cavity 133 and the 6th resonant cavity 134 by described second partition 132.Wherein, described second air pipe 210 is provided with the first connecting tube 135 being connected to described 5th resonant cavity 133, thus preferably described 5th resonant cavity 133 is constructed to Helmholtz resonant cavity, it is the noise of 100-150Hz for offsetting such as frequency.Further, described second air pipe 210 is provided with the first porous 136 being connected to described 6th resonant cavity 133, thus described 6th resonant cavity 134 is configured to multi-hole resonant cavity, it is the noise of 800-1200Hz for offsetting such as frequency.
In addition, aforesaid basis is also appreciated that described second partition 132 also can vertically or other may directions construct.
Fig. 5 shows the sectional view of the 3rd chamber 140.The 3rd dividing plate 142 and the 4th dividing plate 143 that described 3rd chamber 140 are divided into the 7th resonant cavity 144 spaced apart from each other, the 8th resonant cavity 145, the 9th resonant cavity 146 and the tenth resonant cavity 147 is provided with in described 3rd chamber 140.Wherein preferably, described 3rd dividing plate 142 is arranged in the horizontal direction, and described 4th dividing plate 143 is arranged in vertical direction.As shown in Figure 5, described second air pipe 210 is provided with the second connecting tube 149 being connected to described 7th resonant cavity 144 and the 8th resonant cavity 145.Described second connecting tube 149 is separated into first portion 1491 and second portion 1492 by described 4th dividing plate 143, wherein said first portion 1491 is communicated with described 7th resonant cavity 144 and described second air pipe 210, described second portion 1492 is communicated with described 8th resonant cavity 145 and described second air pipe 210, thus described 7th resonant cavity 144 and the 8th resonant cavity 145 are configured to Helmholtz resonant cavity respectively, 7th resonant cavity 144 is the noise of 150-300Hz for offsetting such as frequency, and the 8th resonant cavity 145 is the noise of 200-350Hz for offsetting such as frequency.Further, described second air pipe 210 is provided with the second porous 1481 being connected respectively to described 9th resonant cavity 146 and the tenth resonant cavity 147 and the 3rd porous 1482.Thus described 9th resonant cavity 146 and the tenth resonant cavity 147 are configured to multi-hole resonant cavity respectively, it is respectively used to offset noise that such as frequency is 1500-2000Hz and such as frequency is the noise of 1200-1500Hz.
Obviously, resonator system of the present invention is not only processed simply, easy for installation, still further provides the mode of structure that can carry out effectively weakening to the noise of multiple different frequency.
Claims (40)
1., for a resonator system for engine aspirating system, it comprises housing and grafting part, it is characterized in that,
Described housing has the inner structure for cavity, and the first end of described housing is provided with opening, and described grafting part can be inserted into form fit in the cavity of described housing by described opening, thus in described housing, form at least one resonant cavity;
Described housing its second end have for gas flow into or flow out the first air pipe or gas port,
Described cutting graftage part is divided and is comprised the second air pipe, and described second air pipe has first end and the second end,
Described second air pipe is provided with the first side plate, and described first side plate is close to the first end of described second air pipe and suitable with described opening,
Wherein, when described grafting part is inserted in described housing completely, described first side plate can cover described opening hermetically, and described first air pipe or gas port and described second air pipe form the admission line flowing into for gas or flow out jointly.
2. resonator system as claimed in claim 1, is characterized in that, described housing and described grafting part adopt plastics to make, and described housing and described grafting part are respectively by injection molding forming method unitary moulding.
3. the resonator system as described in as arbitrary in claim 1-2, it is characterized in that, described first side plate is so arranged to the distance of the second end of described second air pipe, make when described first side plate is fixedly connected with described opening, the second end of described second air pipe just can contact with described first air pipe or gas port completely.
4. the resonator system as described in as arbitrary in claim 1-2, is characterized in that, described first side plate and described opening are provided with fixed connection apparatus, described first side plate can be fixedly connected with described opening.
5. resonator system as claimed in claim 4, it is characterized in that, described fixed connection apparatus is buckle structure, screw connection structure or welded structure.
6. the resonator system as described in as arbitrary in claim 1-2, it is characterized in that, the described internal diameter of the second air pipe is identical with external diameter with the internal diameter of described first air pipe with the size of external diameter.
7. the resonator system as described in as arbitrary in claim 1-2, is characterized in that, at least one resonant cavity described is along axial, the circumference of described second air pipe or radial arrangement.
8. the resonator system as described in as arbitrary in claim 1-2, it is characterized in that, along the first end of described second air pipe to the direction of described the second end, described second air pipe circumference is provided with the second side plate, and the cavity of described housing the first chamber and the second chamber are arranged along direction of insertion.
9. resonator system as claimed in claim 8, it is characterized in that, the area of described second side plate is slightly less than described first side plate, and the radial cross section of described second chamber is slightly less than the corresponding radial cross section of described first chamber.
10. resonator system as claimed in claim 8, it is characterized in that, the junction of described first chamber and described second chamber is provided with First terrace, and wherein said second side plate adapts to described First terrace.
11. resonator systems as claimed in claim 10, it is characterized in that, described second side plate and described first step are looked like this and are set up, make when described grafting part is inserted in described housing completely, described second side plate is just resisted against on described First terrace, thus described first chamber and the second chamber is separated.
12. resonator systems as claimed in claim 8, it is characterized in that, direction along described first end to described the second end, described second air pipe circumference is provided with the 3rd side plate, and the chamber of described housing has also been arranged the 3rd chamber along direction of insertion.
13. resonator systems as claimed in claim 12, is characterized in that, the area of described 3rd side plate is slightly less than described second side plate, and the radial cross section of described 3rd chamber is slightly less than the corresponding radial cross section of described second chamber.
14. resonator systems as claimed in claim 12, it is characterized in that, the junction of described second chamber and described 3rd chamber is provided with second step face, wherein said 3rd side plate adapts to described second step face.
15. resonator systems as claimed in claim 14, it is characterized in that, described 3rd side plate and described second step are looked like this and are set up, and make when described grafting part is inserted in described housing completely, described 3rd side plate is just resisted against on described second step face.
16. resonator systems as claimed in claim 12, it is characterized in that, described first side plate, the second side plate and the 3rd side plate are arranged in parallel, and described first side plate, the second side plate and the 3rd side plate are set to further perpendicular to described second air pipe.
17. resonator systems as claimed in claim 8, is characterized in that, in described first chamber, be provided with the first resonant cavity, described first resonant cavity is arranged on described second air pipe between described first side plate and described second side plate.
18. resonator systems as claimed in claim 17, it is characterized in that, described first resonant cavity is the catheter configurations of both ends open, its first end is connected with described second air pipe, when described grafting is inserted partially in described housing, the second end of described first resonant cavity is just resisted against in the respective inner surfaces of described housing.
19. resonator systems as claimed in claim 17, it is characterized in that, described first resonant cavity is the catheter configurations of one end open, and the first end of described first resonant cavity is opening structure, it is connected with described second air pipe, and the second end of described first resonant cavity is seal construction.
20. resonator systems as claimed in claim 17, it is characterized in that, described first resonant cavity is configured to 1/4 wavelength tube, and described 1/4 wavelength tube is arranged at and offsets frequency is the noise of 600-700Hz.
21. resonator systems as claimed in claim 17, is characterized in that, in described first chamber, be provided with the second resonant cavity, described second resonant cavity is arranged on described second air pipe along the opposite direction of described first resonant cavity.
22. resonator systems as claimed in claim 21, it is characterized in that, described second resonant cavity is the catheter configurations of both ends open, its first end is connected with described second air pipe, when described grafting is inserted partially in described housing, the second end of described second resonant cavity is just resisted against in the respective inner surfaces of described housing.
23. resonator systems as claimed in claim 21, it is characterized in that, described second resonant cavity is the catheter configurations of one end open, and the first end of described second resonant cavity is opening structure, it is connected with described second air pipe, and the second end of described second resonant cavity is seal construction.
24. resonator systems as claimed in claim 21, it is characterized in that, described second resonant cavity is configured to 1/4 wavelength tube, and described 1/4 wavelength tube is arranged at and offsets frequency is the noise of 800-1000Hz.
25. resonator systems as claimed in claim 21, it is characterized in that, described first resonant cavity and the second resonant cavity coaxially arranged, and described first resonant cavity and the second resonant cavity have identical internal diameter and external diameter size, and described first resonant cavity and the second resonant cavity are parallel to described first side plate structure.
26. resonator systems as claimed in claim 8, it is characterized in that, the 3rd resonant cavity and the 4th resonant cavity is provided with in described first chamber, in described first chamber, be provided with the first dividing plate be connected with described second side plate with described first side plate, described first chamber is separated described 3rd resonant cavity and the 4th resonant cavity by described first dividing plate.
27. resonator systems as claimed in claim 26, is characterized in that, described second air pipe is respectively equipped with the opening being communicated to described 3rd resonant cavity and the opening being communicated to described 4th resonant cavity.
28. resonator systems as claimed in claim 26, it is characterized in that, described 3rd resonant cavity and the 4th resonant cavity are configured to Helmholtz resonant cavity respectively, wherein said 3rd resonant cavity is arranged at and offsets frequency is the noise of 400-600Hz, and described 4th resonant cavity is arranged at and offsets frequency is the noise of 100-200Hz.
29. resonator systems as claimed in claim 26, is characterized in that, described first dividing plate is set to be orthogonal to described first side plate and described second side plate that are parallel to each other.
30. resonator systems as claimed in claim 8, it is characterized in that, the 5th resonant cavity and the 6th resonant cavity is provided with in described second chamber, in described second chamber, be provided with the second partition be connected with the 3rd side plate with described second side plate along substantially horizontal, described second chamber is divided into the 5th resonant cavity and the 6th resonant cavity by described second partition.
31. resonator systems as claimed in claim 30, is characterized in that, described second air pipe is provided with the first connecting tube being connected to described 5th resonant cavity.
32. resonator systems as claimed in claim 30, is characterized in that, described 5th resonant cavity is constructed to Helmholtz resonant cavity, and it is arranged at and offsets frequency is the noise of 100-150Hz.
33. resonator systems as claimed in claim 30, is characterized in that, described second air pipe is provided with the first porous being connected to described 6th resonant cavity.
34. resonator systems as claimed in claim 30, is characterized in that, described 6th resonant cavity is configured to multi-hole resonant cavity, and it is arranged at and offsets frequency is the noise of 800-1200Hz.
35. resonator systems as claimed in claim 12, is characterized in that, are provided with the 3rd dividing plate and the 4th dividing plate that described 3rd chamber are divided into the 7th resonant cavity spaced apart from each other, the 8th resonant cavity, the 9th resonant cavity and the tenth resonant cavity in described 3rd chamber.
36. resonator systems as claimed in claim 35, it is characterized in that, described second air pipe is provided with the second connecting tube being connected to described 7th resonant cavity and the 8th resonant cavity, described second connecting tube is separated into first portion and second portion by described 4th dividing plate, the first portion of wherein said second connecting tube is connected to described 7th resonant cavity, and the second portion of described second connecting tube is connected to described 8th resonant cavity.
37. resonator systems as claimed in claim 35, it is characterized in that, described 7th resonant cavity and the 8th resonant cavity are configured to Helmholtz resonant cavity respectively, wherein said 7th resonant cavity is arranged at and offsets frequency is the noise of 150-300Hz, and described 8th resonant cavity is arranged at and offsets frequency is the noise of 200-350Hz.
38. resonator systems as claimed in claim 35, is characterized in that, described second air pipe is provided with the second porous and the 3rd porous that are connected respectively to described 9th resonant cavity and the tenth resonant cavity.
39. resonator systems as claimed in claim 38, is characterized in that, described 9th resonant cavity and the tenth resonant cavity are constructed to multi-hole resonant cavity respectively, and it is arranged at respectively and offsets frequency is the noise of 1500-2000Hz and the noise of 1200-1500Hz.
40. 1 kinds of air-strainer, the arbitrary described resonator system of claim 1-39 is arranged in upstream or the downstream of described air-strainer, or is monolithically integrated in described air-strainer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110042641.XA CN102644531B (en) | 2011-02-16 | 2011-02-16 | Resonant system |
| DE102012000806.6A DE102012000806B4 (en) | 2011-02-16 | 2012-01-18 | resonator |
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| CN201110042641.XA CN102644531B (en) | 2011-02-16 | 2011-02-16 | Resonant system |
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| CN102644531B true CN102644531B (en) | 2015-02-25 |
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| DE102016215176A1 (en) * | 2016-08-15 | 2018-02-15 | Elringklinger Ag | Resonant device and method of manufacturing a resonant device |
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| JP6859848B2 (en) * | 2017-05-23 | 2021-04-14 | トヨタ紡織株式会社 | Internal combustion engine air cleaner |
| FR3070729B1 (en) * | 2017-09-05 | 2020-03-06 | Novares France | FILTRATION ASSEMBLY |
| CN107514325A (en) * | 2017-10-17 | 2017-12-26 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
| CN107559114A (en) * | 2017-10-31 | 2018-01-09 | 天津市宇龙昊天汽车滤清器有限公司 | Compact-sized air filter air inlet pipe road assembly |
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| DE102018101380B4 (en) * | 2018-01-23 | 2020-02-06 | Dietrich Denker | resonator |
| CN109339997B (en) * | 2018-12-04 | 2023-04-07 | 南京工程学院 | Internal combustion engine air inlet system of continuous variable resonant cavity |
| CN110230562B (en) * | 2019-06-21 | 2020-07-03 | 安徽江淮汽车集团股份有限公司 | Silencing element |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102012000806B4 (en) | 2017-09-28 |
| DE102012000806A1 (en) | 2012-08-16 |
| CN102644531A (en) | 2012-08-22 |
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