CN108194318A - Resonant silencing structure and with its compressor - Google Patents
Resonant silencing structure and with its compressor Download PDFInfo
- Publication number
- CN108194318A CN108194318A CN201711406216.8A CN201711406216A CN108194318A CN 108194318 A CN108194318 A CN 108194318A CN 201711406216 A CN201711406216 A CN 201711406216A CN 108194318 A CN108194318 A CN 108194318A
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- resonant cavity
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- silencing structure
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 57
- 239000011358 absorbing material Substances 0.000 claims abstract description 28
- 230000008030 elimination Effects 0.000 abstract description 45
- 238000003379 elimination reaction Methods 0.000 abstract description 45
- 230000000694 effects Effects 0.000 description 15
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0088—Pulsation and noise damping means using mechanical tuned resonators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention provides a kind of resonant silencing structure and there is its compressor, which includes：Communicating passage, resonant cavity and the extension chamber sequentially connected, one end of communicating passage are connected with resonant cavity, and the other end of communicating passage is used to connect with main chamber；Sound-absorbing material is filled in extension intracavitary.By technical solution provided by the invention, the technical issues of noise elimination frequency band that solves structure of resonant cavity of the prior art is relatively narrow, sound deadening capacity is relatively low.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to a kind of resonant silencing structure and with its compression
Machine.
Background technology
At present, in order to reduce the noise of compressor complete machine, it is provided with resonant cavity on the compressor, which can be used to drop
Low specific noise peak value.In general, the composition of resonant cavity is made of three parts, respectively angular cut, connecting neck portion, resonant cavity
Cavity.The frequency of noise elimination of resonant cavity is determined by following size：Neck width, neck depth, neck length, cavity diameter
And depth.After all sizes of the resonant cavity determine, noise reduction frequency also determines.
The characteristics of resonant cavity of the prior art is to absorb intermediate frequency, low-frequency noise, and its frequency selectivity is strong, is only being set
Meter frequency nearby has preferable noise elimination effect.Therefore, the frequency of noise elimination narrower bandwidth of this quieter manner, noise reduction frequency bandwidth
It is restricted, noise reduction also has been more limited.
Invention content
The present invention provides a kind of resonant silencing structure and with its compressor, to solve resonant cavity knot of the prior art
The technical issues of noise elimination frequency band of structure is relatively narrow, sound deadening capacity is relatively low.
According to an aspect of the invention, there is provided a kind of resonant silencing structure, resonant silencing structure include：Sequentially connect
Communicating passage, resonant cavity and extension chamber, one end of communicating passage connects with resonant cavity, the other end of communicating passage be used for
Main chamber connects；Sound-absorbing material is filled in extension intracavitary.
Further, the depth of extension chamber is greater than or equal to the depth of resonant cavity.
Further, the ratio of the diameter of the equivalent diameter and resonant cavity of extension chamber is between 1.5 to 3.
Further, the volume of extension chamber is more than or equal to twice of the volume of resonant cavity.
Further, sound-absorbing material in the density of extension intracavitary 80 to 120Kg/m3In the range of.
Further, extension chamber is wrapped in the outside of resonant cavity and/or is set along the depth direction of resonant cavity.
Further, the cross section of resonant cavity and extension chamber is circle, and resonant cavity is located at extension intracavitary, the circle of extension chamber
The center of circle of the heart and resonant cavity is respectively positioned on the axis of communicating passage.
Further, the circular configuration that the profile of extension chamber is formed and the circular configuration that the profile of resonant cavity is formed are interior
It cuts, and point of contact is located at the connectivity part of resonant cavity and communicating passage.
Further, extension chamber is set along the depth direction of resonant cavity, and positioned at the lower section of resonant cavity.
Further, extension chamber includes interconnected first extended portion and the second extension, first extended portion are wrapped in
The outside of resonant cavity, the depth direction of the second extension along resonant cavity set and positioned at the lower sections of resonant cavity.
Further, resonant cavity is located in the projection of depth direction in the second extension, and resonant cavity is along depth direction
One end is stretched into the second extension.
Further, extension chamber includes the third extension, the 4th extension and the 5th extension that sequentially connect, third
The cross sectional shape of extension and the 5th extension is semicircle, and the cross sectional shape of the 4th extension is rectangle, and resonant cavity is located at the
In three extensions and the 4th extension, the center of circle of third extension and the center of circle of resonant cavity are respectively positioned on the axis of communicating passage.
Further, the other end opposite with connection resonant cavity of communicating passage is gradual towards the direction size far from resonant cavity
Expand.
According to an aspect of the invention, there is provided a kind of compressor, which includes the resonant silencing of above-mentioned offer
Structure.
Further, compressor further includes cylinder, has main chamber in cylinder, resonant silencing structure setting on cylinder,
One end of the communicating passage of resonant cavity noise elimination structure is connected with main chamber, the other end of communicating passage and being total to for resonance noise elimination structure
The chamber that shakes connects.
It applies the technical scheme of the present invention, which includes：The communicating passage that sequentially connects, is prolonged resonant cavity
Open up chamber and sound-absorbing material.Wherein, one end of communicating passage is connected with resonant cavity, and the other end of communicating passage is used to connect with main chamber
It is logical.Sound-absorbing material is filled in extension intracavitary.By setting extension chamber, and fill and inhale in extension intracavitary with the connectivity part of resonant cavity
Sound material, can go forward side by side a step sound energy consumption while gas is through resonant cavity multiple reflections with sound-absorbing material phase mutual friction in this way,
So as to play better noise reduction, and by increase sound-absorbing material can broadening noise elimination frequency band, so as to solve
The technical issues of noise elimination frequency band of structure of resonant cavity of the prior art is relatively narrow, sound deadening capacity is relatively low.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the front view of the according to embodiments of the present invention one resonant silencing structure provided；
The sectional view of the resonant silencing structure provided Fig. 2 shows according to embodiments of the present invention one；
Fig. 3 shows noise reduction with the depth of extension chamber and the situation of change of the depth ratio of resonant cavity；
Fig. 4 is shown according to noise reduction and the Energy Efficiency Ratio of compressor with the equivalent diameter of extension chamber and the diameter ratio of resonant cavity
The situation of change of value；
Fig. 5 shows a case that the variable density of noise reduction and cost with sound-absorbing material；
Fig. 6 shows the sectional view of the according to embodiments of the present invention two resonant silencing structures provided；
Fig. 7 shows the sectional view of the according to embodiments of the present invention three resonant silencing structures provided；
Fig. 8 shows the sectional view of the according to embodiments of the present invention four resonant silencing structures provided；
Fig. 9 shows the sectional view of the according to embodiments of the present invention five resonant silencing structures provided；
Figure 10 shows the noise elimination frequency band and resonant cavity in the prior art according to resonant silencing structure provided by the invention
The contrast schematic diagram of noise elimination frequency band；
Figure 11 shows the structure diagram of according to embodiments of the present invention six compressors provided.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, communicating passage；20th, resonant cavity；30th, extension chamber；40th, cylinder；50th, main chamber.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, embodiment one provides a kind of resonant silencing structure, which includes：Sequentially
Communicating passage 10, resonant cavity 20, extension chamber 30 and the sound-absorbing material of connection.Wherein, one end of communicating passage 10 and resonant cavity 20
Connection, the other end of communicating passage 10 are used to connect with main chamber 50.Sound-absorbing material is filled in extension chamber 30.By together
Shake the connectivity part setting extension chamber 30 of chamber 20, and the filling sucting sound material in extension chamber 30, can make the resonant silencing knot in this way
Structure can absorb the noise of different frequency value, broadening noise elimination frequency band, so as to solve resonant cavity 20 of the prior art
The technical issues of noise elimination frequency band is relatively narrow, sound deadening capacity is relatively low.
In the present embodiment, which could be provided as last of the twelve Earthly Branches nurse hertz resonant cavity, when extraneous incident acoustic wave frequency and
When the intrinsic frequency of the resonant cavity is identical, the gas column in resonant cavity 20 can generate violent vibration due to resonance.Violent
During vibration, the sidewall friction of gas column and resonant cavity 20 and sound energy consumption, so as to play the effect of noise elimination noise reduction.
The noise elimination frequency band of the resonant cavity 20 is relatively narrow, since the size of the resonant cavity 20 determines so that the resonant cavity 20 can only absorb specific
Noise near frequency.By increasing extension chamber 30 at the position connected with the resonant cavity 20, and set in extension chamber 30
Put sound-absorbing material so that gas can be entered in the extension chamber 30 by resonant cavity 20 so that sound wave can be in the extension chamber 30
Carry out multiple reflections, while the sound wave by the sound-absorbing material phase mutual friction with being arranged in extension chamber 30 and sound energy consumption.It adopts
With the resonant silencing structure in the present embodiment, by the way that resonant noise elimination structure is combined with sound-absorbing material, broadening noise elimination is reached
The purpose of frequency band, so as to improve the resonant silencing structure noise elimination effect.Simultaneously as the resonant silencing structure can improve
Noise reduction, and then gas pressure pulsation can be effectively reduced, weaken air-operated drive power, reduce aerodynamic noise and vibration.
As shown in figure 3, h1The depth of extension chamber 30 is represented, h represents the depth of resonant cavity 20, when the depth of extension chamber 30 is big
In or equal to resonant cavity 20 depth when, the noise elimination effect of noise elimination resonant structure is more preferable, and the bigger noise elimination of depth of extension chamber 30
Effect is better.Using such structure so that the sound-absorbing material that extension chamber 30 can accommodate also increases, so as to play preferably
The effect of broadening noise elimination frequency band, and then better noise elimination effect can be played.The depth of extension chamber 30 is equal to altogether in the present embodiment
It shakes the depth of chamber 20, production cost and to a certain extent broadening frequency of noise elimination can be reduced in this way.
As shown in figure 4, the equivalent diameter of extension chamber 30 is D, a diameter of d of resonant cavity 20, COP represent the efficiency of compressor
Than.The ratio of the equivalent diameter of extension chamber 30 and the diameter of resonant cavity 20 is between 1.5 to 3.At this point, the resonant silencing structure energy
Enough play preferable noise reduction.Meanwhile when such resonant silencing structure is applied with compressor, it can also cause compressor
Efficiency it is higher.
For further broadening noise elimination frequency band, so that noise reduction increases, the volume of extension chamber 30 is more than in the present embodiment
Or twice of the volume equal to resonant cavity 20.
In order to make the noise elimination effect of the resonant silencing structure in the present embodiment more preferable, the sound-absorbing material in the present embodiment is prolonging
The density in chamber 30 is opened up 80 to 120Kg/m3In the range of.Sound-absorbing material in the present embodiment is glass fiber material, glass
The density of fibrous material is big, is conducive to improve sound deadening capacity in this way, so as to the noise elimination frequency band of the broadening resonant silencing structure.Such as
Shown in Fig. 5, horizontal axis represents the density of sound-absorbing material, when the density of sound-absorbing material is 80 to 120Kg/m3In the range of when, life
It is relatively reasonable to produce cost, and noise reduction is preferable.
In embodiment one, the cross section of resonant cavity 20 and extension chamber 30 is disposed as circle, resonant cavity 20, which is located at, to be prolonged
It opens up in chamber 30, the center of circle of extension chamber 30 and the center of circle of resonant cavity 20 are respectively positioned on the axis of communicating passage 10.Such that extend
Chamber 30 wraps up resonant cavity 20, so that the air in resonant cavity 20 can more fully connect with the sound-absorbing material in extension chamber 30
It touches, so as to improve the noise elimination frequency band of the resonant silencing structure, and then preferable noise elimination effect can be reached.
Specifically, the circular configuration that the profile of extension chamber 30 is formed and the circular configuration that the profile of resonant cavity 20 is formed are interior
It cuts, and point of contact is located at the connectivity part of resonant cavity 20 and communicating passage 10.Using such setting, the extension chamber 30 can be made more preferable
Resonant cavity 20 is wrapped up, and without being changed to the structure of communicating passage 10, lower as far as possible to existing structure
Adjustment, and the sound-absorbing material in extension chamber 30 is enabled preferably to eliminate the noise of different frequency, and then noise elimination can be improved
Frequency band.
It, will in the present embodiment in order to which extension chamber 30 and the sound-absorbing material of inside is made preferably to absorb the noise of different frequency
Extension chamber 30 is set along the depth direction of resonant cavity 20, and positioned at the lower section of resonant cavity.
As shown in fig. 6, extension chamber 30 is set along the depth direction of resonant cavity 20 in embodiment two, specifically, at this
In embodiment, extension chamber 30 is arranged on to the lower section of resonant cavity 20.
As shown in fig. 7, extension chamber 30 to be wrapped in the outside of resonant cavity 20 in embodiment three, while by 30 edge of extension chamber
The depth direction setting of resonant cavity 20.When extension chamber 30 is wrapped in the outside of resonant cavity 20, and the extension chamber 30 is along resonant cavity 20
Depth direction setting, the noise elimination frequency band of the broadening resonant silencing structure would be even more beneficial to using such set, so as to
Increase noise reduction, and then can preferably improve noise elimination effect.
As shown in figure 8, in example IV, extension chamber 30 includes interconnected first extended portion and the second extension,
First extended portion is wrapped in the outside of resonant cavity, and the depth direction of the second extension along resonant cavity 20 sets and positioned at resonant cavity 20
Lower section.It using such setting, is beneficial to the extension chamber 30 and is fully contacted with resonant cavity 20, convenient for extension chamber 30 and setting
Sound-absorbing material in extension chamber 30 can preferably absorb the noise of different frequency, so as to play better noise reduction effect
Fruit.
In order to preferably widen the noise elimination frequency band of the noise elimination resonant structure, resonant cavity 20 is located at the in the projection of depth direction
In two extensions, and one end of resonant cavity 20 along depth direction is stretched into the second extension.Using such setting, this can be made
Extension chamber 30 is more fully contacted with resonant cavity 20, so preferably to absorb the noise of different frequency, and then can improve drop
It makes an uproar effect.
Specifically, communicating passage 10 with the opposite other end of connection resonant cavity towards the direction size far from resonant cavity 20 by
Flaring is big.Using such setting, will be entered in communicating passage 10 convenient for extraneous gas, so that resonant cavity 20 and extension chamber
30 play better sound-deadening and noise-reducing effect.
In the above-described embodiments, the front view and reality of embodiment two, embodiment three and the resonant silencing structure of example IV
The front view for applying the resonant silencing structure in example one is identical.
As shown in figure 9, providing a kind of resonant silencing structure in embodiment five, the extension chamber 30 of the resonant silencing structure wraps
Include the section of the third extension sequentially connected, the 4th extension and the 5th extension, third extension and the 5th extension
Shape is semicircle, and the cross sectional shape of the 4th extension is rectangle, and resonant cavity 20 is located in third extension and the 4th extension,
The center of circle of third extension and the center of circle of resonant cavity 20 are respectively positioned on the axis of communicating passage 10.Resonant silencing in the present embodiment
The sectional area of the extension chamber 30 of structure is much larger than the sectional area of resonant cavity 20, can so fill more sound-absorbing materials, so as to
It is capable of the noise elimination frequency band of the better broadening structure, so that the noise elimination effect of the resonant silencing structure is more preferable.In the present embodiment,
The extension chamber 30 extends along the axis direction perpendicular to communicating passage 10.Certainly, the concrete structure of extension chamber is not limited to above-mentioned carry
The structure of confession can also extend towards other directions, as long as it is combined with resonant cavity to reduce the structure of noise by sound-absorbing material
Design.
Using the resonant silencing structure provided in embodiment one to embodiment five, which does not have to original resonant cavity 20
It is improved, only need to add extension chamber 30, the noise elimination of the resonant silencing structure can be adjusted by adjusting the size of extension chamber 30
Frequency bandwidth, so as to improve noise elimination effect.Meanwhile the resonant silencing structure in embodiment one to embodiment five may be used
Integrated design.Communicating passage 10 in embodiment one to embodiment five can also be arranged in a structure, by resonant cavity 20
It is arranged in another structure with extension chamber 30, ensures that communicating passage 10 is connected with resonant cavity 20 in assembling.This
Sample so that the setting of the resonant silencing structure is more flexible and convenient.
The structure of resonant silencing structure in embodiment one to embodiment five is simple, and can effectively broadening frequency of noise elimination, because
And preferable noise reduction can be played.As shown in Figure 10, horizontal axis represents frequency of noise elimination, and the longitudinal axis represents noise reduction, and line 1, which represents, to be increased
Add the noise elimination situation after extension chamber 30 and sound-absorbing material, line 2 represents the noise elimination situation for only having resonant cavity, and being compared by line 1 and line 2 can
To know, by increase extension chamber 30 and sound-absorbing material can better broadening noise elimination frequency band, to improve noise reduction.
Embodiment six provides a kind of compressor, and the resonance which includes providing in embodiment one to embodiment five disappears
Acoustic form.
Specifically, as shown in figure 11, compressor further includes cylinder 40, has main chamber 50, resonant silencing structure in cylinder
Be arranged on cylinder 40, one end of the communicating passage 10 of resonant cavity noise elimination structure is connected with main chamber 50, communicating passage 10 it is another
One end is connected with the resonant cavity 20 for the noise elimination structure that resonates.The compressor further includes exhaust passage.In the prior art by last of the twelve Earthly Branches nurse hertz
When resonant cavity is arranged on the exhaust passage of compressor, noise reduction is best, therefore by the resonant silencing knot in the present embodiment
Structure is arranged at exhaust passage.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to practical proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms are represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need to that it is further discussed in figure.
In the description of the present invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and close
System is for only for ease of the description present invention and simplifies description, and in the case where not making to illustrate on the contrary, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore cannot manage
It solves as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each component profile in itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made in opposite description to space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be convenient for using the words such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word is there is no particular meaning, therefore it is not intended that this
The limitation of invention protection domain.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of resonant silencing structure, which is characterized in that the resonant silencing structure includes：
Communicating passage (10), resonant cavity (20) and the extension chamber (30) sequentially connected, one end of the communicating passage (10) with
Resonant cavity (20) connection, the other end of the communicating passage (10) are used to connect with main chamber (50)；
Sound-absorbing material is filled in the extension chamber (30).
2. resonant silencing structure according to claim 1, which is characterized in that the depth of the extension chamber (30) is more than or waits
Depth in the resonant cavity (20).
3. resonant silencing structure according to claim 1, which is characterized in that the equivalent diameter of the extension chamber (30) and institute
The ratio of the diameter of resonant cavity (20) is stated between 1.5 to 3.
4. resonant silencing structure according to claim 1, which is characterized in that the volume of the extension chamber (30) is more than or waits
In twice of the volume of the resonant cavity (20).
5. resonant silencing structure according to claim 1, which is characterized in that the sound-absorbing material is in the extension chamber (30)
Interior density is 80 to 120Kg/m3In the range of.
6. resonant silencing structure according to any one of claim 1 to 5, which is characterized in that extension chamber (30) packet
It is rolled in the outside of the resonant cavity (20) and/or is set along the depth direction of the resonant cavity (20).
7. resonant silencing structure according to claim 6, which is characterized in that the resonant cavity (20) and the extension chamber
(30) cross section is circle, and the resonant cavity (20) is in the extension chamber (30), the center of circle of the extension chamber (30)
It is respectively positioned on the axis of the communicating passage (10) with the center of circle of the resonant cavity (20).
8. resonant silencing structure according to claim 7, which is characterized in that the circle that the profile of the extension chamber (30) is formed
The circular configuration that the profile of shape structure and the resonant cavity (20) is formed is inscribe, and point of contact is located at the resonant cavity (20) and institute
State the connectivity part of communicating passage (10).
9. resonant silencing structure according to claim 7, which is characterized in that the extension chamber (30) is along the resonant cavity
(20) depth direction setting, and positioned at the lower section of the resonant cavity (20).
10. resonant silencing structure according to claim 6, which is characterized in that the extension chamber (30) is including being interconnected
First extended portion and the second extension, the first extended portion is wrapped in the outside of the resonant cavity (20), and described second prolongs
The depth direction of exhibition portion along the resonant cavity (20) sets and positioned at the lower section of the resonant cavity (20).
11. resonant silencing structure according to claim 10, which is characterized in that the resonant cavity (20) is in depth direction
Projection is located in second extension, and second extension is stretched into one end of the resonant cavity (20) along depth direction
It is interior.
12. resonant silencing structure according to claim 6, which is characterized in that the extension chamber (30) is including sequentially connecting
Third extension, the 4th extension and the 5th extension, the section shape of the third extension and the 5th extension
Shape is semicircle, and the cross sectional shape of the 4th extension is rectangle, the resonant cavity (20) positioned at the third extension and
In 4th extension, the center of circle of the third extension and the center of circle of the resonant cavity (20) are respectively positioned on the communicating passage
(10) on axis.
13. resonant silencing structure according to claim 1, which is characterized in that the communicating passage (10) with connecting institute
The opposite other end of resonant cavity (20) is stated towards the direction size far from the resonant cavity (20) gradually to expand.
14. a kind of compressor, which is characterized in that the resonance that the compressor includes described in any one of claim 1 to 13 disappears
Acoustic form.
15. compressor according to claim 14, which is characterized in that the compressor further includes cylinder (40), the gas
There is main chamber (50), the resonant silencing structure setting is on the cylinder, the company of the resonant silencing structure in cylinder (40)
One end of circulation passage (10) is connected with main chamber room (50), the other end and the resonant silencing knot of the communicating passage (10)
Resonant cavity (20) connection of structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711406216.8A CN108194318B (en) | 2017-12-22 | 2017-12-22 | Resonance silencing structure and compressor with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406216.8A CN108194318B (en) | 2017-12-22 | 2017-12-22 | Resonance silencing structure and compressor with same |
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| CN108194318A true CN108194318A (en) | 2018-06-22 |
| CN108194318B CN108194318B (en) | 2023-11-10 |
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2017
- 2017-12-22 CN CN201711406216.8A patent/CN108194318B/en active Active
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| CN202758608U (en) * | 2012-08-08 | 2013-02-27 | 濮阳市元光科技有限公司 | Sound-absorbing body of composite resonant cavity |
| CN106014988A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor resonator silencing structure, compressor and electric appliance product |
| CN207974938U (en) * | 2017-12-22 | 2018-10-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Resonant silencing structure and compressor with it |
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