CN206309548U - Sympathetic response cavate air suction silencer and refrigeration compressor - Google Patents
Sympathetic response cavate air suction silencer and refrigeration compressor Download PDFInfo
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- CN206309548U CN206309548U CN201621108024.XU CN201621108024U CN206309548U CN 206309548 U CN206309548 U CN 206309548U CN 201621108024 U CN201621108024 U CN 201621108024U CN 206309548 U CN206309548 U CN 206309548U
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Abstract
The utility model provides a kind of sympathetic response cavate air suction silencer and refrigeration compressor, is related to prevent or reduce noise or the device field of other sound waves.The sympathetic response cavate air suction silencer, including muffler body, air inlet pipe and blast pipe, muffler body include silencing cavity, and air inlet pipe and blast pipe are connected with silencing cavity respectively;Multiple sympathetic response parts are provided with silencing cavity, each sympathetic response part includes a resonator, resonator is provided with least one opening, and the resonator volume of all or part of sympathetic response part is different.The utility model additionally provides refrigeration compressor, including above-mentioned sympathetic response cavate air suction silencer.A kind of volume carries out noise reduction for a kind of frequency noise scope, and multiple not co-contents finally realize the purpose of noise reduction such that it is able to widen the frequency range of noise reduction.For the wideband spectral property of refrigeration compressor, the demand of wide range of spectrum noise can be preferably met.
Description
Technical field
The utility model is related to prevent or reduce noise or the device field of other sound waves, in particular to one kind altogether
Tymapanum formula air suction silencer and refrigeration compressor.
Background technology
The main source of refrigeration compressor pneumatic noise is inflow noise, and for energy-conserving and environment-protective, prior art is in refrigeration
Air suction silencer is installed additional at the air inlet of compressor, make sound attenuation, but because existing air suction silencer can only reduce limited
Noise in frequency range, and there is wideband spectral property in the noise of compressor, it is impossible to preferably reduce the width of the refrigeration compressor
Spectral noise.
In sum, refrigeration compressor how is made on the premise of energy-conserving and environment-protective, according to the spy of compressor noise wide spectrum
Property, the erasure effect of compressor is effectively improved, it is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model there are provided a kind of sympathetic response cavate air suction silencer, from noise reduction principle, noise reduction
Effect is relevant with the volume of anechoic chamber, and different anechoic chamber's volumes can effectively reduce the noise in some frequency ranges, multiple
The anechoic chamber of co-content does not realize the purpose of noise reduction finally such that it is able to widen the frequency range of noise reduction.The structure of the sympathetic response part
Simply, while simplifying the complexity in muffler, it is easy to accomplish the making of mould, also reduce the noise reduction of muffler into
This.
Another object of the present utility model there are provided a kind of refrigeration compressor, and the refrigeration compressor is total to using above-mentioned
Tymapanum formula air suction silencer, because air suction and noise is the main source of refrigeration compressor pneumatic noise, solves refrigeration compressor and inhales
The effective way of gas noise is exactly to improve air suction silencer, the sympathetic response cavate air suction silencer that this refrigeration compressor is used, in original
Have on the basis of single silencing cavity and be provided with multiple sympathetic response parts, each sympathetic response part includes resonator, the volume of multiple resonators
Difference, the resonator of various not co-contents can effectively widen the frequency range of noise reduction, exist for refrigeration compressor noise
Wideband spectral property, the resonator of multiple not co-contents can preferably meet the noise reduction demand of refrigeration compressor, and the refrigeration
Sympathetic response part in compressor instead of the dividing plate in original silencing cavity, reduce parts count, simplify complexity, further drop
The low noise reduction cost of refrigeration compressor.
What embodiment of the present utility model was realized in:
Based on above-mentioned purpose, embodiment of the present utility model provides a kind of sympathetic response cavate air suction silencer, including noise reduction
Device body, air inlet pipe and blast pipe, muffler body include silencing cavity, and air inlet pipe and blast pipe are connected with silencing cavity respectively;Disappear
Multiple sympathetic response parts are provided with sound chamber, each sympathetic response part includes a resonator, resonator is provided with least one opening, all
Or the resonator volume of part sympathetic response part is different.
In embodiment of the present utility model, by being provided with multiple sympathetic response parts with resonator in silencing cavity, and
The resonator that resonator has multiple different volumes, each volume can effectively reduce by one section of frequency noise scope, and multiple is not
The resonator of co-content can widen the frequency range of noise reduction, the equipment for some with wideband spectral property, the sympathetic response cavate
Air suction silencer can effectively meet the demand of preferable noise reduction.
In addition, the sympathetic response cavate air suction silencer provided according to embodiment of the present utility model, can also have following attached
Plus technical characteristic:
In alternative embodiment of the present utility model, to the other end, multiple resonators are by appearance for the one end from above-mentioned silencing cavity
Product is arranged successively from big to small.
In alternative embodiment of the present utility model, all or part of sympathetic response part is close to set successively.
In alternative embodiment of the present utility model, the cross sectional shape of multiple resonators is rectangle.
In alternative embodiment of the present utility model, the cross sectional shape of multiple sympathetic response parts and multiple resonators is rectangle,
And the center line of sympathetic response part overlaps with the center line of resonator.
In alternative embodiment of the present utility model, sympathetic response part includes blind end, openend and be oppositely arranged first
Connection wall and the second connection wall, the blind end of multiple sympathetic response parts are flushed, the stepped distribution in openend, and sympathetic response part is sequentially connected
A resonant is formed, the first connection wall of multiple sympathetic response parts is interconnected to form the first side wall of above-mentioned resonant, and multiple is altogether
Second connection wall of ring part is interconnected to form the second sidewall of above-mentioned resonant, and the openend of resonant is platform from high to low
Scalariform.
In alternative embodiment of the present utility model, muffler body also includes noise reduction lid, and blast pipe is arranged at noise reduction lid,
Multiple sympathetic response parts are cuboid and are closely set in the side away from blast pipe of noise reduction lid, each sympathetic response successively from long to short
One end away from noise reduction lid of part is equipped with an opening.
In alternative embodiment of the present utility model, sympathetic response cavate air suction silencer also includes intubation, and intubation is arranged at and disappears
In sound chamber, and intubation is connected with blast pipe, and one end away from blast pipe of intubation is provided with screen pack.
In alternative embodiment of the present utility model, the outer wall bottom of muffler body is additionally provided with oil leaking hole.
Embodiment of the present utility model additionally provides a kind of refrigeration compressor, including above-mentioned sympathetic response cavate air-breathing noise reduction
Device.
Above-mentioned sympathetic response cavate air suction silencer is provided with embodiment of the present utility model, in refrigeration compressor, due to
There is wideband spectrum signature in refrigeration compressor noise, multiple sympathetic response parts are provided with the silencing cavity of sympathetic response cavate air suction silencer, many
Individual sympathetic response part is provided with the resonator of multiple not co-contents, the resonator according to not co-content can effectively reduce some frequencies into
The noise for dividing, and then, the resonator of multiple not co-contents can meet the demand of the wide spectrum noise of refrigeration compressor.
The beneficial effect of the utility model embodiment is:
The utility model embodiment provides a kind of sympathetic response cavate air suction silencer and refrigeration compressor, is set in sympathetic response part
There is the resonator of multiple not co-contents, the noise that each volume can be directed to a band frequency scope carries out noise reduction, multiple different
The resonator of volume can preferably widen the frequency range of noise reduction;For the wideband spectral property of refrigeration compressor, can be preferable
The demand for meeting wide scope noise reduction.
In sum, the sympathetic response cavate air suction silencer that the utility model embodiment is provided, it is possible to increase the frequency of noise reduction
Scope, has widened the frequency range of noise reduction, is finally reached the purpose for reducing noise;Sympathetic response part simple structure, simplifies muffler
Silencing cavity inside complexity, it is easy to accomplish Making mold, production, manufacture;Reduce the production cost of air suction silencer.
The refrigeration compressor that the utility model embodiment is provided, including above-mentioned sympathetic response cavate air suction silencer, for refrigeration compressor
Wideband spectral property, can preferably meet the demand of wide range of spectrum noise.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to be used needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Other related accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the schematic diagram at visual angle of the sympathetic response cavate air suction silencer that the utility model embodiment 1 is provided;
Fig. 2 is the schematic diagram at another visual angle of sympathetic response cavate air suction silencer in Fig. 1;
Fig. 3 is the profile on III-III sections of Fig. 2;
Fig. 4 is the schematic diagram at visual angle of noise reduction lid in Fig. 1;
Fig. 5 is the schematic diagram at another visual angle of noise reduction lid in Fig. 1;
Fig. 6 is showing for a visual angle of the noise reduction lid of the sympathetic response cavate air suction silencer that the utility model embodiment 2 is provided
It is intended to;
Fig. 7 is the schematic diagram at another visual angle of noise reduction lid in Fig. 6;
Fig. 8 is that the partial cutaway of the sympathetic response cavate air suction silencer of the refrigeration compressor that the utility model embodiment 3 is provided is shown
It is intended to.
Icon:100- sympathetic response cavate air suction silencers;10- air inlet pipe;20- muffler bodies;22- silencing cavities;24- sympathetic responses
Part;241- resonators;243- is open;The connection walls of 245- first;The connection walls of 246- second;30- resonants;301- the first side walls;
302- second sidewalls;The side walls of 303- the 3rd;The side walls of 304- the 4th;305- openends;31- noise reduction lids;33- oil leaking holes;35- is inserted
Pipe;36- screen packs;50- blast pipes;60- refrigeration compressors.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, term " first ", " second ", " the 3rd " etc. are only used for area in description of the present utility model
Divide description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can
Being to mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Wherein Fig. 1-Fig. 5 correspondences embodiment 1 of the present utility model, Fig. 6-Fig. 7 correspondences embodiment 2 of the present utility model,
Fig. 8 correspondences embodiment 3 of the present utility model, is carried out in detail below in conjunction with accompanying drawing to the technical scheme of the utility model embodiment
Description.
Embodiment 1
As shown in figure 1, the sympathetic response cavate air suction silencer 100 that embodiment of the present utility model 1 is provided mainly includes air inlet
Pipe 10, muffler body 20 and blast pipe 50, air inlet pipe 10 and blast pipe 50 are respectively arranged at the outer wall of muffler body 20, disappear
Sound device body 20 includes silencing cavity 22 (as shown in Figure 3), and air inlet pipe 10 and blast pipe 50 are connected with silencing cavity 22 respectively.
Concrete structure and corresponding relation each other below to all parts is described in detail.
Refer to shown in Fig. 2, in embodiment of the present utility model 1, muffler body 20 includes silencing cavity 22 and noise reduction
Lid 31, air inlet pipe 10 is arranged at the noise reduction inside the sidewall bottom of muffler body 20, and air inlet pipe 10 and muffler body 20
Chamber 22 connects, and blast pipe 50 is arranged at the side away from silencing cavity 22 of noise reduction lid 31, and blast pipe 50 and muffler body 20
Internal silencing cavity 22 is connected.
Refer to shown in Fig. 3, it is internally dry to ensure muffler, it is to avoid moisture that muffler is produced in use,
The fast erosion muffler such as oil body 20, reduces the service life of muffler body 20, is additionally provided with muffler body 20
Oil leaking hole 33, oil leaking hole 33 is arranged at the bottom of the side wall of muffler body 20.The sympathetic response cavate air suction silencer 100, also includes
Intubation 35, intubation 35 is arranged in silencing cavity 22, and one end of the intubation 35 connects with above-mentioned blast pipe 50, and the other end was provided with
Filter screen 36.
Inside muffler body 20, i.e., multiple sympathetic response parts 24 are additionally provided with silencing cavity 22, each sympathetic response part 24 includes one
Individual resonator 241, the resonator 241 is provided with least one opening 243, and multiple here is that exponential quantity is more than or equal to three
Individual, the volume of whole resonators 241 is unequal, or the volume of part resonator 241 is unequal.
Noise reduction principle according to air suction silencer:Erasure effect is relevant with the volume of muffler, and different silencing cavities 22
The frequency that noise can effectively be reduced is that different, i.e., the different volumes of silencing cavity 22 can effectively reduce making an uproar for a certain band frequency composition
Sound.There is the characteristic of wide spectrum due to compressor noise, so in the embodiment of the utility model offer, being set in silencing cavity 22
Sympathetic response part 24, the volume of resonator 241 in sympathetic response part 24 be multiple numerical value, not in co-content reduction different range frequency
Noise, the resonator 241 of multiple not co-contents can widen the frequency range of noise reduction.
Refer to shown in Fig. 4, in embodiment of the present utility model 1, the plurality of sympathetic response part 24 is arranged at noise reduction lid 31
Away from the side of blast pipe 50, each sympathetic response part 24 offers an opening 243 in the one end away from noise reduction lid 31, and multiple is altogether
Ring part 24 is arranged side by side, and two neighboring sympathetic response part 24 shares a side wall, and the openend 305 of multiple sympathetic response parts 24 is stepped
Arrangement, in embodiment of the present utility model 1, multiple sympathetic response parts 24 are in turn connected to form a resonant 30, the resonant 30
With the first side wall 301, second sidewall 302, the 3rd side wall 303, the 4th side wall 304 and openend 305, wherein the first side wall
301 and second sidewall 302 be oppositely arranged, the 3rd side wall 303 and the 4th side wall 304 are oppositely arranged, the openend of the resonant 30
305 is from high to low step-like.Each sympathetic response part 24 includes the first connection wall 245 and the second connection wall 246 that are oppositely arranged,
Multiple first connection walls 245 are mutually in turn connected to form the first side wall 301, and multiple second connection walls 246 are mutually sequentially connected shape
Into second sidewall 302, in order that the noise reduction frequency range of the sympathetic response cavate air suction silencer 100 is widened, in each sympathetic response part 24
The volume of the resonator 241 of setting is differed.
Refer to shown in Fig. 5, multiple sympathetic response parts 24 are sequentially connected and are arranged side by side in above-mentioned noise reduction lid 31, each sympathetic response part 24
It is cuboid, its shape of cross section is square, and the shape of cross section of the resonator 241 in sympathetic response part 24 is also square, and
The side wall uniform thickness of the sympathetic response part 24, the i.e. center line of sympathetic response part 24 overlap with the center line of the resonator 241 in the sympathetic response part 24.
The quantity of sympathetic response part 24 is multiple, and multiple here is that exponential quantity is more than or equal to three, in embodiment of the present utility model 1
In, the quantity of sympathetic response part 24 is 12.
The operation principle of muffler is:Resistance formula muffler is combined by the pipe and room of abrupt interface, each band
The cell of pipe is a mesh of wave filter, and the air quality in pipe is equivalent to inductance and resistance electrically, referred to as acoustic mass
And acoustic resistance, equivalent to electric capacity electrically, referred to as acoustic compliance, each cell with pipe has oneself to the volume of air in cell
Intrinsic frequency, when the sound wave for including various frequency contents enters first short tube, only in first mesh intrinsic frequency
The sound wave of some neighbouring frequencies could reach second short tube mouth by mesh, and the sound wave of other frequency is then impossible
By mesh, can only in cell roundtrip, choose appropriate pipe and room be combined and eliminate the noise reaching two kinds of effects, the
One kind, makes to be reflected back to source of students direction along the sound wave of pipe transmmision using pipeline section mutation (i.e. the change of acoustic reactance), so that
Sound energy reflection is set to go back to original place;Second, using the reflection at several interfaces, original first sound wave propagated forward is set to be returned to original
Point, and turn back propagate forward again, the point converges with second sound wave propagated forward for not yet being reflected, and both are shaking
Relative on width, the odd-multiple of difference 180 degree, offsets so as to interfere with each other in phase.Some frequency contents can just be filtered
Noise, so as to reach the purpose of noise elimination.
The sympathetic response cavate air suction silencer 100 provided from above-mentioned principle, the utility model, is set by using multiple
There is the sympathetic response part 24 of the resonator 241 of not co-content, according to above-mentioned second noise reduction principle, the noise of different frequency scope enters
In the muffler body 20, with second sound wave propagated forward for not yet being reflected after first sound wave reflection propagated forward
Converge, interfere with each other and offset, so as to filter out the noise of some frequency contents, and erasure effect has with the volume of silencing cavity 22
Close, the different volumes of silencing cavity 22 can effectively reduce the noise of some frequency contents, so, the sympathetic response that the utility model is provided
Cavate air suction silencer 100 has the resonator 241 of multiple not co-contents, and each volume is directed to a kind of frequency noise scope,
So as to widen the frequency range of noise reduction.
The beneficial effect of sympathetic response cavate air suction silencer 100 that the utility model is provided is:
First, the resonator 241 of co-content can not effectively reduce the noise of different frequency scope, it is possible to increase the frequency of noise reduction
Rate scope, so as to widen the frequency range of noise reduction, is finally reached the purpose for reducing noise.
2nd, the sympathetic response cavate air suction silencer 100 of the embodiment 1 that the utility model is provided, the simple structure of sympathetic response part 24, phase
Than existing muffler, the complexity inside the silencing cavity 22 of muffler body 20 is simplified, it is easy to accomplish Making mold, life
Produce, manufacture.
3rd, the production cost of sympathetic response cavate air suction silencer 100 is reduce further, the utility model embodiment 1 is provided
Sympathetic response part 24 can replace existing dividing plate, so as to carry out multi-cavity type design.
Embodiment 2
Researcher is by research, the sympathetic response cavate air suction silencer 100 provided the utility model, in above-described embodiment
On the basis of 1, following optional other structures schemes can be also made to muffler body 20, be described as follows:
Refer to shown in Fig. 6, the embodiment 2 that the utility model is provided, its sympathetic response part 24 is multiple separate cylinders
Body, the sympathetic response part 24 is arranged at the side away from blast pipe 50 of noise reduction lid 31, and the length of sympathetic response part 24 is differed, in this reality
Apply in example 2, the equal diameters of multiple sympathetic response parts 24, the diameter of the resonator 241 in the sympathetic response part 24 is also equal, due to its length
It is unequal, so the volume of the resonator 241 in multiple sympathetic response parts 24 is also unequal.
Refer to shown in Fig. 7, the arrangement mode of the sympathetic response part 24 in the embodiment 2 is arbitrary arrangement, as long as meeting noise reduction
The quantity of sympathetic response part 24 in device body 20 is multiple, and the partly or entirely volume of resonator 241 difference of sympathetic response part 24, each appearance
Product one frequency noise scope of correspondence, the resonator 241 of multiple not co-contents can effectively widen noise reduction frequency range, preferably
Realize the purpose eliminated the noise.
The utility model provide sympathetic response cavate air suction silencer 100 except above-mentioned concrete structure, its muffler body 20
Interior sympathetic response part 24 can also have other different shapes, for example:Pentagonal prism, six prisms, spherical, curved and irregular shape
Shape etc., the shape of the resonator 241 in the sympathetic response part 24 can also have various different shapes, the horizontal stroke of the resonator 241
Cross sectional shape can be with similar to the shape of cross section of sympathetic response part 24, it is also possible to dissimilar, and the resonator 241 is provided with opening 243,
The quantity of opening 243 can be one, or multiple, as long as meet in the sympathetic response part 24 being provided with resonator 241, this is total to
Tymapanum 241 is provided with least one opening 243.
The quantity of the sympathetic response part 24 set in the muffler body 20 is multiple, multiple refer to more than or equal to three,
Such that it is able to effectively widen noise reduction frequency range, in embodiment of the present utility model 2, it is preferred that the quantity of the sympathetic response part 24
It is 5 to 20.
The mode that sympathetic response part 24 is arranged in muffler body 20 is not limited, and is arranged on noise reduction lid 31 except above-mentioned, may be used also
To be arranged at the side wall of muffler body 20 or the bottom wall of muffler body 20, or part sympathetic response part 24 is arranged at noise reduction lid
31, part sympathetic response part 24 is arranged at the bottom wall of muffler body 20;The spread pattern of multiple sympathetic response parts 24 is except above-described embodiment 1
Be arranged side by side, can also be such as any setting of the present embodiment 2, the sympathetic response part 24 can mutually be sequentially connected setting, it is also possible to
Separate setting, or part coupling part is independently arranged, i.e. the spread pattern of the sympathetic response part 24 is indefinite;Multiple resonators
241 volume is unequal, can be embodied in:The geometry of rule, its length or highly unequal;Irregular geometric form
Shape, its volume is unequal;Can also be the volume not phase of part resonator 241 except the volume of all resonators 241 is unequal
Deng.
To sum up, set in the sympathetic response cavate air suction silencer 100 that the utility model embodiment 2 is provided, muffler body 20
The quantity of sympathetic response part 24 be multiple, multiple arbitrary arrangements of sympathetic response part 24, the resonator 241 of some or all of sympathetic response part 24 holds
Product is unequal, and the cross section of sympathetic response part 24 and/or resonator 241 is arbitrary shape, and the resonator 241 offers at least one and opens
Mouth 243.
Embodiment 3
Refer to shown in Fig. 8, embodiment of the present utility model 3 provides a kind of refrigeration compressor 60, including above-mentioned sympathetic response
Cavate air suction silencer 100, is described as follows:
With the enhancing of environmental consciousness, the requirement to air conditioner noises radiation level is also increasingly stricter, refrigeration compressor 60
The noise of generation is the main source of air conditioner noises radiation, and compressor air suction silencer is mainly used in controlling and reducing compressor suction
The propagation of noise caused by air valve plate intermittent movement in air inlet pipe 10, due in the cylinder of refrigeration compressor 60 and suction muffler
Pressure is in cyclic fluctuation, and vibration frequency is related to compressor operation rotating speed, and the noise radiation of the refrigeration compressor 60 has
Harmonic spectrum feature.
Influence the factor of muffler acoustic attenuation performance except outlet and the diameter of arrival end, silencing cavity 22 volume size with
Outward, also including its internal structure pattern selection, the design of inside dimension.
The refrigeration compressor 60 that the utility model embodiment 3 is provided, is provided with the silencing cavity 22 of muffler body 20
Resonator 241 is provided with multiple sympathetic response parts 24, each sympathetic response part 24, the volume of some or all of resonator 241 is different.
The resonator 241 of co-content can not carry out effective noise reduction, the resonator of multiple not co-contents to the noise of different frequency scope
241 so that widened the frequency range of noise reduction.
The simple structure of sympathetic response part 24 in muffler body 20 that the utility model embodiment 3 is provided, it is easy to accomplish mould
Manufacture, reduces the noise reduction cost of sympathetic response cavate air suction silencer 100, so effectively reduce the noise reduction of refrigeration compressor 60 into
This.
It should be noted that in the case where not conflicting, the feature in embodiment in the utility model can be tied mutually
Close.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of sympathetic response cavate air suction silencer, it is characterised in that described to disappear including muffler body, air inlet pipe and blast pipe
Sound device body includes silencing cavity, and the air inlet pipe and the blast pipe are connected with the silencing cavity respectively;
Multiple sympathetic response parts are provided with the silencing cavity, each described sympathetic response part includes a resonator, the resonator is set
There is at least one opening, the resonator volume of all or part of sympathetic response part is different.
2. sympathetic response cavate air suction silencer according to claim 1, it is characterised in that from one end of the silencing cavity to another
One end, multiple resonators are arranged successively from big to small by volume.
3. sympathetic response cavate air suction silencer according to claim 1, it is characterised in that all or part of sympathetic response part according to
It is secondary to be close to set.
4. sympathetic response cavate air suction silencer according to claim 1, it is characterised in that the section shape of multiple resonators
Shape is rectangle.
5. sympathetic response cavate air suction silencer according to claim 1, it is characterised in that multiple sympathetic response parts and multiple institutes
The cross sectional shape for stating resonator is rectangle, and the center line of the sympathetic response part overlaps with the center line of the resonator.
6. sympathetic response cavate air suction silencer according to claim 1, it is characterised in that the sympathetic response part include blind end,
Openend and the first connection wall and the second connection wall that are oppositely arranged, the blind end of multiple sympathetic response parts are flushed, openend
Stepped distribution, and the sympathetic response part is in turn connected to form a resonant, the first connection wall phase of multiple sympathetic response parts
Connect to form the first side wall of the resonant, the second connection wall of multiple sympathetic response parts is interconnected to form the sympathetic response
The second sidewall of body, the openend of the resonant is from high to low step-like.
7. sympathetic response cavate air suction silencer according to claim 1, it is characterised in that the muffler body also includes disappearing
Sound lid, the blast pipe is arranged at the noise reduction lid, and multiple sympathetic response parts are cuboid and are close to set from long to short successively
The side away from the blast pipe of the noise reduction lid is placed in, one end away from the noise reduction lid of each sympathetic response part is all provided with
There is an opening.
8. the sympathetic response cavate air suction silencer according to claim 1-7 any one, it is characterised in that the sympathetic response cavate
Air suction silencer also includes intubation, and the intubation is arranged in the silencing cavity, and the intubation is connected with the blast pipe, institute
The one end away from blast pipe for stating intubation is provided with screen pack.
9. the sympathetic response cavate air suction silencer according to claim 1-7 any one, it is characterised in that the muffler sheet
The outer wall bottom of body is additionally provided with oil leaking hole.
10. a kind of refrigeration compressor, it is characterised in that disappear including the sympathetic response cavate air-breathing described in claim 1-9 any one
Sound device.
Priority Applications (1)
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CN201621108024.XU CN206309548U (en) | 2016-10-10 | 2016-10-10 | Sympathetic response cavate air suction silencer and refrigeration compressor |
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CN201621108024.XU CN206309548U (en) | 2016-10-10 | 2016-10-10 | Sympathetic response cavate air suction silencer and refrigeration compressor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106194661A (en) * | 2016-10-10 | 2016-12-07 | 黄石东贝电器股份有限公司 | Sympathetic response cavate air suction silencer and refrigeration compressor |
CN112145436A (en) * | 2020-08-27 | 2020-12-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Air suction device, compression assembly and air conditioner |
-
2016
- 2016-10-10 CN CN201621108024.XU patent/CN206309548U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106194661A (en) * | 2016-10-10 | 2016-12-07 | 黄石东贝电器股份有限公司 | Sympathetic response cavate air suction silencer and refrigeration compressor |
CN112145436A (en) * | 2020-08-27 | 2020-12-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Air suction device, compression assembly and air conditioner |
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Effective date of registration: 20210617 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |