CN109488495A - Silencing apparatus and vehicle - Google Patents
Silencing apparatus and vehicle Download PDFInfo
- Publication number
- CN109488495A CN109488495A CN201811215597.6A CN201811215597A CN109488495A CN 109488495 A CN109488495 A CN 109488495A CN 201811215597 A CN201811215597 A CN 201811215597A CN 109488495 A CN109488495 A CN 109488495A
- Authority
- CN
- China
- Prior art keywords
- demarcation plate
- groove
- silencing apparatus
- protrusion
- outer housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000030279 gene silencing Effects 0.000 title claims abstract description 46
- 230000008030 elimination Effects 0.000 claims abstract description 33
- 238000003379 elimination reaction Methods 0.000 claims abstract description 33
- 230000008676 import Effects 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000009467 reduction Effects 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 230000002939 deleterious effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
-
- 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
- F02M35/1233—Flow throttling or guiding by using expansion chambers in the air intake flow path
Abstract
The invention discloses a kind of silencing apparatus and vehicles, and wherein silencing apparatus includes: outer housing and noise elimination structure.Inlet and outlet is provided on outer housing；Noise elimination structure is arranged in outer housing, noise elimination structure includes: resonatron and the first demarcation plate and the second demarcation plate that are arranged on resonatron, first demarcation plate and the second demarcation plate will be separated into the first expansion cavity in outer housing, resonant cavity and the second expansion cavity, resonant cavity is between the first demarcation plate and the second demarcation plate, first expansion cavity and the second expansion cavity are located at the other side of the first demarcation plate and the second demarcation plate, first expansion cavity is connected with import and the second expansion cavity is connected with outlet, wherein the relative axial position of the first demarcation plate and the second demarcation plate is adjustable, to change resonant cavity, the volume of at least one of first expansion cavity and the second expansion cavity.The silencing apparatus itself can be adjusted to adapt to the different frequency of noise elimination of different vehicle, to improve noise elimination effect.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of silencing apparatus and vehicle.
Background technique
The effect of turbocharger of motor is the pressure of more air to be squeezed into cylinder and be mixed and burned with fuel oil, can be
Identical time internal ratio naturally aspirated engine exports bigger power.But due to the control of turbocharger, the course of work
Complexity can generate noise in many places such as air inlets, and traditional noise reduction means and silencing apparatus structure are simpler, noise reduction effect compared with
Difference and structure cannot be changed according to the difference of noise to reach better noise reduction effect, there are rooms for improvement.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
Bright to propose a kind of silencing apparatus, the silencing apparatus itself can be adjusted to adapt to the different frequency of noise elimination of different vehicle, to mention
High noise elimination effect.
The invention also provides a kind of vehicles with above-mentioned silencing apparatus.
The silencing apparatus of embodiment according to the present invention, comprising: outer housing is provided with import on the outer housing and goes out
Mouthful；Noise elimination structure, the noise elimination structure are arranged in the outer housing, and the noise elimination structure includes: resonatron and is arranged in institute
First demarcation plate and second demarcation plate on resonatron, first demarcation plate and second demarcation plate are stated by institute
State and be separated into the first expansion cavity, resonant cavity and the second expansion cavity in outer housing, the resonant cavity be located at first demarcation plate and
Between second demarcation plate, first expansion cavity and second expansion cavity are located at first demarcation plate and described
The other side of second demarcation plate, first expansion cavity is connected with the import and second expansion cavity and the outlet phase
Even, wherein the relative axial position of first demarcation plate and second demarcation plate is adjustable, to change the resonant cavity, institute
State the volume of at least one of the first expansion cavity and second expansion cavity.
The silencing apparatus of embodiment according to the present invention, the silencing apparatus can be adjusted to adapt to different vehicle itself
Different frequency of noise elimination, to improve noise elimination effect.
In addition, can also have following additional technical feature according to the silencing apparatus of inventive embodiments:
According to some embodiments of the present invention, it is provided between each demarcation plate and the outer housing and the resonatron
Positioning mechanism.
According to some embodiments of the present invention, the inner edge of first demarcation plate is provided with the first protrusion of convex, institute
Multiple first grooves that the axially spaced-apart arrangement along the silencing apparatus is provided in the first end of resonatron are stated, described first is convex
It rises and cooperates with first groove.
According to some embodiments of the present invention, the described first raised circumferentially spaced arrangement along first demarcation plate,
First groove is multiple row, and the first groove described in multiple row is along the circumferentially spaced arrangement of the resonatron, and each column are equal
Including multiple multiple first grooves along axially spaced-apart arrangement.
According to some embodiments of the present invention, the outer periphery of first demarcation plate is provided with the second protrusion of evagination, institute
Multiple second grooves being provided on outer housing along axially spaced-apart arrangement are stated, second protrusion is matched with second groove
It closes.
According to some embodiments of the present invention, the described second raised circumferentially spaced arrangement along second demarcation plate,
Second groove is multiple row, and the second groove described in multiple row is along the circumferentially spaced arrangement of the outer housing, and each column are equal
Including multiple multiple second grooves along axially spaced-apart arrangement.
According to some embodiments of the present invention, the inner edge of second demarcation plate is provided with the third protrusion of convex, institute
Multiple third grooves that the axially spaced-apart arrangement along the silencing apparatus is provided in the second end of resonatron are stated, the third is convex
It rises and cooperates with the third groove.
According to some embodiments of the present invention, the third protrusion along second demarcation plate circumferentially spaced arrangement,
The third groove is multiple row, and third groove described in multiple row is along the circumferentially spaced arrangement of the resonatron, and each column are equal
Including multiple multiple third grooves along axially spaced-apart arrangement.
According to some embodiments of the present invention, the outer periphery of second demarcation plate is provided with the 4th protrusion of evagination, institute
Multiple 4th grooves being provided on outer housing along axially spaced-apart arrangement are stated, the 4th protrusion is matched with the 4th groove
It closes.
According to some embodiments of the present invention, the described 4th raised circumferentially spaced arrangement along the 4th demarcation plate,
4th groove is multiple row, and the 4th groove described in multiple row is along the circumferentially spaced arrangement of the outer housing, and each column are equal
Including multiple multiple 4th grooves along axially spaced-apart arrangement.
According to some embodiments of the present invention, the centre frequency of first expansion cavity and second expansion cavity pass through
Frequency is suitable.
Vehicle according to a further aspect of the invention, including above-mentioned silencing apparatus.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of silencing apparatus according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of outer housing according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the first demarcation plate according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the second demarcation plate according to an embodiment of the present invention.
Appended drawing reference:
Silencing apparatus 100, outer housing 1, import 11, outlet 12, noise elimination structure 2, resonatron 21, the first demarcation plate 22, the
Two compartment plate 23, the first expansion cavity 13, resonant cavity 14, the second expansion cavity 15, the first protrusion 221, the first groove 211, second is convex
Rise 222, the second groove 16, third protrusion 231, third groove 212, the 4th protrusion 232, the 4th groove 17.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Silencing apparatus 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 4.
Silencing apparatus 100 according to an embodiment of the present invention may include: outer housing 1 and noise elimination structure 2.
As shown in Figure 1, being provided with import 11 and outlet 12 on outer housing 1.The side of outer housing 1 is arranged in import 11, out
The other side of outer housing 1 is arranged in mouth 12.
Referring to Fig.1, noise elimination structure 2 is arranged in outer housing 1, to form noise elimination cavity in outer housing 1, is tied by eliminating the noise
The noise elimination effect of structure 2 carries out noise reduction sound-deadening to compressor, to promote the NVH performance of vehicle.
Further, in conjunction with Fig. 1, Fig. 3 and embodiment illustrated in fig. 4, noise elimination structure 2 includes: resonatron 21 and is arranged in resonance
The first demarcation plate 22 and the second demarcation plate 23 on pipe 21, the first demarcation plate 22 and the second demarcation plate 23 will separate in outer housing 1
At the first expansion cavity 13, resonant cavity 14 and the second expansion cavity 15.First expansion cavity 13, resonant cavity 14 and the second expansion cavity 15 are successively
Arrangement.
Further, resonant cavity 14 is between the first demarcation plate 22 and the second demarcation plate 23, the first expansion cavity 13 and
Two expansion cavities 15 are located at the other side of the first demarcation plate 22 and the second demarcation plate 23, and the first expansion cavity 13 is connected with import 11
And second expansion cavity 15 12 be connected with outlet.
Wherein the relative axial position of the first demarcation plate 22 and the second demarcation plate 23 is adjustable, to change resonant cavity 14,
The volume of at least one of one expansion cavity 13 and the second expansion cavity 15.Make silencing apparatus 100 by changing the volume of three
Different frequency of noise elimination is adapted to, different frequency of noise elimination can be adjusted for the compressor that different automobile types are configured, is disappeared with improving
Sound ability reduces noise, promotes vehicle NVH performance.
Silencing apparatus 100 according to an embodiment of the present invention, the silencing apparatus 100 itself can be adjusted to adapt to different vehicles
Different frequency of noise elimination, to improve noise elimination effect.
As Figure 1-Figure 4, positioning mechanism is provided between each demarcation plate and outer housing 1 and resonatron 21.Positioning
Structure can be used for for position the first demarcation plate 22 adjusted and the second demarcation plate 23 being located in resonatron 21 and outer housing 1 it
Between, in order to which outer housing 1 is divided into three chambers to eliminate the noise to compressor by two demarcation plates.
In conjunction with Fig. 1 and embodiment illustrated in fig. 3, the inner edge of the first demarcation plate 22 is provided with the first protrusion 221 of convex, humorous
Multiple first grooves 211 of the axially spaced-apart arrangement along silencing apparatus 100, the first protrusion are provided in the first end of vibration tube 21
221 and first groove 211 cooperate.
Specifically, the first demarcation plate 22 is set on resonatron 21, and first on the inner edge of the first demarcation plate 22
Protrusion 221 be suitable for 211 location fit of the first groove on corresponding resonatron 21, in order to technical staff position adjustment first
Position of the demarcation plate 22 relative to resonatron 21, so have adjusted the first expansion cavity 13 for being kept apart by the first demarcation plate 22 with it is humorous
The volume of vibration chamber 14 carries out noise reduction in order to which silencing apparatus 100 can have different frequency of noise elimination for different compressors
Processing.
Further, for the first protrusion 221 along the circumferentially spaced arrangement of the first demarcation plate 22, the first groove 211 is multiple row, more
The first groove of column 211 along resonatron 21 circumferentially spaced arrangement, and it is each column include it is multiple axially spaced apart
Multiple first grooves 211.
Multiple first protrusions 221 circumferentially correspond location fit with multiple first grooves 211, wherein first is recessed
Slot 211 can be circumferentially equally spaced, and the cooperation of the first demarcation plate 22 and resonatron 21 thus can be made more stable, junction it is each
Place's stress balances equal, is not in that local positioning cooperates illusive phenomenon.
Also, the first groove 211 of each column can be with spaced set, and graduated scale is arranged in the corresponding position of each groove
Know, the tool of adjusting can be understood more intuitively when adjusting the relative position of the first demarcation plate 22 and resonatron 21 convenient for technical staff
Body distance, in order to carry out confluence analysis to the data of adjusting, in order to find to the different frequency of noise elimination with different vehicle.
In conjunction with Fig. 1-embodiment illustrated in fig. 3, the outer periphery of the first demarcation plate 22 is provided with the second protrusion 222 of evagination, outside
Axially spaced apart multiple second grooves 16 are provided on shell 1, the second protrusion 222 and the second groove 16 cooperate.
Specifically, the first demarcation plate 22 is set on resonatron 21 and sandwiched is fixed between outer housing 1 and resonatron 21,
Wherein, the first protrusion 221 on the inner edge of the first demarcation plate 22 is suitable for fixed with the first groove 211 on corresponding resonatron 21
Position cooperation, and the second protrusion 222 in the outer periphery of the first demarcation plate 22 is suitable for matching with the second groove 16 positioning on outer housing 1
It closes, between by the positioning of 22 sandwiched of the first demarcation plate, and the first expansion cavity 13 is separated completely with resonant cavity 14.
Pass through the first protrusion 221 inside and outside the first demarcation plate 22 and the second protrusion 222 and corresponding first groove as a result,
211 and second the location fit of groove 16 the first demarcation plate 22 can be stablized firm positioning between, avoid due to vehicle
Ride and caused by the offset of the first demarcation plate 22 or fall off deleterious effect caused to noise reduction.
Further, for the second protrusion 222 along the circumferentially spaced arrangement of the second demarcation plate 23, the second groove 16 is multiple row, more
The second groove of column 16 is along the circumferentially spaced arrangement of outer housing 1, and each column include multiple axially spaced apart more
A second groove 16.
Multiple second protrusions 222 circumferentially correspond location fit with multiple second grooves 16, wherein second is recessed
Slot 16 can be circumferentially equally spaced, and the cooperation of the first demarcation plate 22 and outer housing 1 thus can be made more stable, everywhere in junction
Stress balances equal, is not in that local positioning cooperates illusive phenomenon.
And the second groove 16 of each column can spaced set, and the corresponding position of each groove be arranged scale marker,
Can be understood more intuitively when adjusting the relative position of the first demarcation plate 22 and outer housing 1 convenient for technical staff adjusting it is specific away from
From in order to carry out confluence analysis to the data of adjusting, in order to find to the different frequency of noise elimination with different vehicle.
Embodiment as one preferred, the first groove of multiple row 211 be suitable for 16 face of the second groove of multiple row, thus first
Demarcation plate 22 can perpendicular positioning cooperation between outer housing 1 and resonatron 21, can enable the first demarcation plate 22 is more stable to set
It sets in outer housing 1, and can preferably separate the first expansion cavity 13 with resonant cavity 14, the two is made respectively to carry out itself
Effect to guarantee noise reduction effect.
In conjunction with Fig. 1 and embodiment illustrated in fig. 4, the inner edge of the second demarcation plate 23 is provided with the third protrusion 231 of convex, humorous
Multiple third grooves 212 of the axially spaced-apart arrangement along silencing apparatus 100, third protrusion are provided in the second end of vibration tube 21
231 cooperate with third groove 212.
Specifically, the second demarcation plate 23 is set on resonatron 21, and the third on the inner edge of the second demarcation plate 23
Protrusion 231 be suitable for 212 location fit of third groove on corresponding resonatron 21, in order to technical staff position adjustment second
Position of the demarcation plate 23 relative to resonatron 21, so have adjusted the second expansion cavity 15 for being kept apart by the second demarcation plate 23 with it is humorous
Shake chamber 14 volume, in order to silencing apparatus 100 can have different frequency of noise elimination for different compressor air inlet machine pipes into
Row noise reduction process.
Further, for third protrusion 231 along the circumferentially spaced arrangement of the second demarcation plate 23, third groove 212 is multiple row, more
Column third groove 212 along resonatron 21 circumferentially spaced arrangement, and it is each column include it is multiple axially spaced apart
Multiple third grooves 212.
Multiple third protrusions 231 and multiple third grooves 212 circumferentially correspond location fit, and wherein third is recessed
Slot 212 can be circumferentially equally spaced, and the cooperation of the second demarcation plate 23 and resonatron 21 thus can be made more stable, junction it is each
Place's stress balances equal, is not in that local positioning cooperates illusive phenomenon.
And, it is preferred that it can be installed by 212 spaced set of third groove of each column, and in the corresponding positions of each groove
Scale marker is set, can be understood more intuitively when adjusting the relative position of the second demarcation plate 23 and resonatron 21 convenient for technical staff
The specific distance adjusted disappears in order to find to the difference of different vehicle in order to carry out confluence analysis to the data of adjusting
Acoustic frequency.
In conjunction with Fig. 1, Fig. 2 and embodiment illustrated in fig. 4, the outer periphery of the second demarcation plate 23 is provided with the 4th protrusion of evagination
232, axially spaced apart multiple 4th grooves 17 are provided on outer housing 1, the 4th protrusion 232 is matched with the 4th groove 17
It closes.
Specifically, the second demarcation plate 23 is set on resonatron 21 and sandwiched is fixed between outer housing 1 and resonatron 21,
Wherein, the 4th protrusion 232 on the inner edge of the second demarcation plate 23 is suitable for fixed with the 4th groove 17 on corresponding resonatron 21
Position cooperation, and the 4th protrusion 232 in the outer periphery of the second demarcation plate 23 is suitable for matching with the 4th groove 17 positioning on outer housing 1
It closes, between by the positioning of 23 sandwiched of the second demarcation plate, and the second expansion cavity 15 is separated completely with resonant cavity 14.
Pass through third protrusion 231 inside and outside the second demarcation plate 23 and the 4th protrusion 232 and corresponding third groove as a result,
212 and the 4th the location fit of groove 17 the second demarcation plate 23 can be stablized firm positioning between, avoid due to vehicle
Ride and caused by the offset of the second demarcation plate 23 or fall off deleterious effect caused to noise reduction.
Further, for the 4th protrusion 232 along the circumferentially spaced arrangement of the 4th demarcation plate, the 4th groove 17 is multiple row, multiple row
4th groove 17 is along the circumferentially spaced arrangement of outer housing 1, and each column include multiple axially spaced apart multiple
4th groove 17.
Multiple 4th protrusions 232 circumferentially correspond location fit with multiple 4th grooves 17, wherein the 4th is recessed
Slot 17 can be circumferentially equally spaced, and the cooperation of the second demarcation plate 23 and outer housing 1 thus can be made more stable, everywhere in junction
Stress balances equal, is not in that local positioning cooperates illusive phenomenon.
And, it is preferred that it can be arranged by 17 spaced set of the 4th groove of each column, and in the corresponding position of each groove
Tune can be understood more intuitively when adjusting the relative position of the second demarcation plate 23 and outer housing 1 convenient for technical staff in scale marker
The specific distance of section is eliminated the noise in order to find to the difference of different vehicle in order to carry out confluence analysis to the data of adjusting
Frequency.
Embodiment as one preferred, multiple row third groove 212 be suitable for 17 face of the 4th groove of multiple row, thus second
Demarcation plate 23 can perpendicular positioning cooperation between outer housing 1 and resonatron 21, can enable the second demarcation plate 23 is more stable to set
It sets in outer housing 1, and can preferably separate the second expansion cavity 15 with resonant cavity 14, the two is made respectively to carry out itself
Effect to guarantee noise reduction effect.
In conclusion technical staff can be by adjusting the first demarcation plate 22 and the second demarcation plate 23 relative to resonatron 21
Position, and cooperation positioning is carried out using corresponding groove and protrusion, the first expansion cavity 13, resonant cavity 14 and second are expanded to realize
The adjusting for opening the volume of chamber 15 can match different compressor air inlet machines to change the frequency of noise elimination of this silencing apparatus 100
It manages and noise reduction process is carried out to it, to promote the NVH performance of vehicle.
Embodiment as one preferred, the centre frequency of the first expansion cavity 13 pass through frequency phase with the second expansion cavity 15
When.In other words, to guarantee that the noise reduction effect of silencing apparatus 100 is more preferable, the centre frequency of the first expansion cavity 13 can be made to expand with second
The same or similar by frequency of chamber 15 is opened, i.e., by adjusting the first demarcation plate 22 and the second demarcation plate 23, makes the first expansion cavity
13 is same or similar with 15 volume of the second expansion cavity.
Therefore, the first groove 211 need to be arranged symmetrically with third groove 212 about resonatron 21, and between same grooves
Spacing is identical, thus more convenient when adjusting two demarcation plates, and can ensure that the two moving distance is identical, that is, ensure that the first expansion
It opens chamber 13 and remains that volume is identical with the second expansion cavity 15, so that the noise reduction effect of silencing apparatus 100 is more preferable.
Having the characteristics that peak valley, crest frequency are center frequency since expansion cavity transmits loss curve, noise elimination energy is most strong,
Valley frequency is by frequency, and acoustical absorptivity is worst, adjusts the phase of the first demarcation plate 22 and the second demarcation plate 23 and resonatron 21
Entire frequency is greatly improved so that the first expansion cavity 13 is close by frequency and the centre frequency of the second expansion cavity 15 to position
The transmitting of band is lost, along with resonant cavity 14 itself has good wideband noise elimination energy, so that this programme can reach more
Good noise elimination noise reduction effect.
The vehicle of embodiment according to a further aspect of the invention, including silencing apparatus 100 described in above-described embodiment.For
Other constructions of vehicle such as speed changer, braking system, steering system etc. have been the prior art and have been those skilled in the art
Known to member, therefore do not elaborate for other constructions of vehicle here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of silencing apparatus characterized by comprising
Outer housing is provided with inlet and outlet on the outer housing；
Noise elimination structure, the noise elimination structure are arranged in the outer housing, and the noise elimination structure includes: resonatron and is arranged in institute
First demarcation plate and second demarcation plate on resonatron, first demarcation plate and second demarcation plate are stated by institute
State and be separated into the first expansion cavity, resonant cavity and the second expansion cavity in outer housing, the resonant cavity be located at first demarcation plate and
Between second demarcation plate, first expansion cavity and second expansion cavity are located at first demarcation plate and described
The other side of second demarcation plate, first expansion cavity is connected with the import and second expansion cavity and the outlet phase
Even, wherein the relative axial position of first demarcation plate and second demarcation plate is adjustable, to change the resonant cavity, institute
State the volume of at least one of the first expansion cavity and second expansion cavity.
2. silencing apparatus according to claim 1, which is characterized in that each demarcation plate and the outer housing and described humorous
Positioning mechanism is provided between vibration tube.
3. silencing apparatus according to claim 1, which is characterized in that the inner edge of first demarcation plate is provided with convex
The first protrusion, multiple first that the axially spaced-apart arrangement along the silencing apparatus is provided in the first end of the resonatron are recessed
Slot, first protrusion cooperate with first groove.
4. silencing apparatus according to claim 3, which is characterized in that week of first protrusion along first demarcation plate
To arranged spaced apart, first groove is multiple row, the first groove described in multiple row along the resonatron circumferentially spaced arrangement,
And each column include multiple multiple first grooves along axially spaced-apart arrangement.
5. silencing apparatus described in any one of -4 according to claim 1, which is characterized in that the outer periphery of first demarcation plate
It is provided with the second protrusion of evagination, is provided with multiple second grooves along axially spaced-apart arrangement on the outer housing, it is described
Second protrusion cooperates with second groove.
6. silencing apparatus according to claim 5, which is characterized in that week of second protrusion along second demarcation plate
To arranged spaced apart, second groove is multiple row, the second groove described in multiple row along the outer housing circumferentially spaced arrangement,
And each column include multiple multiple second grooves along axially spaced-apart arrangement.
7. silencing apparatus according to claim 1, which is characterized in that the inner edge of second demarcation plate is provided with convex
Third protrusion, multiple thirds that the axially spaced-apart arrangement along the silencing apparatus is provided in the second end of the resonatron are recessed
Slot, the third protrusion and the third groove cooperate.
8. silencing apparatus according to claim 7, which is characterized in that week of the third protrusion along second demarcation plate
To arranged spaced apart, the third groove is multiple row, third groove described in multiple row along the resonatron circumferentially spaced arrangement,
And each column include multiple multiple third grooves along axially spaced-apart arrangement.
9. according to claim 1-2, silencing apparatus described in any one of 7-8, which is characterized in that second demarcation plate it is outer
Week is provided with multiple 4th grooves along axially spaced-apart arrangement in the 4th protrusion for being provided with evagination, the outer housing,
4th protrusion cooperates with the 4th groove.
10. silencing apparatus according to claim 9, which is characterized in that the 4th protrusion is along the 4th demarcation plate
Circumferentially spaced arrangement, the 4th groove are multiple row, circumferentially spaced cloth of the 4th groove described in multiple row along the outer housing
It sets, and each column include multiple multiple 4th grooves along axially spaced-apart arrangement.
11. silencing apparatus according to claim 1 to 10, which is characterized in that the center of first expansion cavity
Frequency is suitable by frequency with second expansion cavity.
12. a kind of vehicle, which is characterized in that including silencing apparatus described according to claim 1 any one of -11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215597.6A CN109488495A (en) | 2018-10-18 | 2018-10-18 | Silencing apparatus and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215597.6A CN109488495A (en) | 2018-10-18 | 2018-10-18 | Silencing apparatus and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488495A true CN109488495A (en) | 2019-03-19 |
Family
ID=65691459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811215597.6A Pending CN109488495A (en) | 2018-10-18 | 2018-10-18 | Silencing apparatus and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488495A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396194A (en) * | 2020-03-30 | 2020-07-10 | 北京汽车股份有限公司 | Silencing device of engine oil pump, engine oil pump and vehicle |
| CN113669178A (en) * | 2021-07-22 | 2021-11-19 | 一汽解放汽车有限公司 | Automobile-used air intake system and car |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380690Y (en) * | 1999-07-30 | 2000-05-31 | 王浩国 | Silencer |
| JP2005240633A (en) * | 2004-02-25 | 2005-09-08 | Suzuki Motor Corp | Muffler structure |
| CN201461036U (en) * | 2009-08-14 | 2010-05-12 | 诸城市海得威机械有限公司 | Composite exhaust muffler with low backpressure impedance for heavy-duty truck |
| CN202281694U (en) * | 2011-09-06 | 2012-06-20 | 浙江吉利汽车研究院有限公司 | Automobile exhaust silencer test device |
| CN207647651U (en) * | 2017-11-21 | 2018-07-24 | 吉利汽车研究院（宁波）有限公司 | A kind of muffler and engine air inlet tube |
| CN108412581A (en) * | 2018-04-23 | 2018-08-17 | 吉林大学 | A kind of variable displacement leads directly to impedance complex muffler and its control method |
-
2018
- 2018-10-18 CN CN201811215597.6A patent/CN109488495A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380690Y (en) * | 1999-07-30 | 2000-05-31 | 王浩国 | Silencer |
| JP2005240633A (en) * | 2004-02-25 | 2005-09-08 | Suzuki Motor Corp | Muffler structure |
| CN201461036U (en) * | 2009-08-14 | 2010-05-12 | 诸城市海得威机械有限公司 | Composite exhaust muffler with low backpressure impedance for heavy-duty truck |
| CN202281694U (en) * | 2011-09-06 | 2012-06-20 | 浙江吉利汽车研究院有限公司 | Automobile exhaust silencer test device |
| CN207647651U (en) * | 2017-11-21 | 2018-07-24 | 吉利汽车研究院（宁波）有限公司 | A kind of muffler and engine air inlet tube |
| CN108412581A (en) * | 2018-04-23 | 2018-08-17 | 吉林大学 | A kind of variable displacement leads directly to impedance complex muffler and its control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396194A (en) * | 2020-03-30 | 2020-07-10 | 北京汽车股份有限公司 | Silencing device of engine oil pump, engine oil pump and vehicle |
| CN113669178A (en) * | 2021-07-22 | 2021-11-19 | 一汽解放汽车有限公司 | Automobile-used air intake system and car |
| CN113669178B (en) * | 2021-07-22 | 2023-02-17 | 一汽解放汽车有限公司 | Automobile-used air intake system and car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7604467B2 (en) | Supercharger with housing internal noise attenuation | |
| US6205968B1 (en) | Induction system, especially for use as an induction port of an internal combustion engine | |
| US5349141A (en) | Resonator type silencer having plural resonance chambers | |
| US7845466B2 (en) | Sound generator with structurally and acoustically coupled sound radiation panel and method for manufacturing the same | |
| US20050067220A1 (en) | Sound absorber | |
| US20080173271A1 (en) | Adjustable helmholtz resonator | |
| CN109488495A (en) | Silencing apparatus and vehicle | |
| EP3346118B1 (en) | Vehicular resonator | |
| EP3438443A2 (en) | Noise reduction device for vehicle | |
| US20040007197A1 (en) | Multi-chamber resonator | |
| CN101201032A (en) | Intake assembly having helmholtz resonators | |
| US6092499A (en) | Intake pipe | |
| US6357410B1 (en) | Air intake system and method of operating an engine using same | |
| CN104594977A (en) | Silencer for mini-truck internal combustion engine | |
| JP2001263075A (en) | Intake device provided with vibration tube and length- adjustable resonance tube | |
| CN101871444B (en) | Muffler | |
| CN207420668U (en) | Silencer and with its vehicle | |
| CN104196593A (en) | Silencer and vehicle with silencer | |
| CN103382910A (en) | Air purifier with integral resonator | |
| CN209724546U (en) | A kind of modularization muffler | |
| JP2002317719A (en) | Air cleaner for engine | |
| CN110030059A (en) | Sound generating apparatus and vehicle exhaust system | |
| CN102562223A (en) | Improved automobile exhaust muffler structure | |
| CN217501774U (en) | Exhaust muffler and vehicle | |
| CN110056459B (en) | Air filter and hybrid electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |