CN208816287U - Silencer, compressor assembly and refrigerator - Google Patents

Abstract

The utility model provides a kind of silencer, compressor assembly and refrigerator, wherein silencer includes: shell, and shell has cavity, air inlet and air outlet, and air inlet and air outlet are connected to cavity respectively；Separator, in the shell, cavity is separated into mutually isolated resonant cavity and silencing cavity by separator, and resonant cavity is only connected to air inlet, and silencing cavity is connected to air inlet and air outlet for setting.The technical solution of the utility model effectively solves muffler cavity structures in the prior art simply to lead to the problem of cannot playing effective noise reduction to the noise of different frequency range range simultaneously.

Description

Silencer, compressor assembly and refrigerator

Technical field

The utility model relates to field of refrigeration equipments, in particular to a kind of silencer, compressor assembly and refrigerator.

Background technique

The compressor in refrigerator is small-sized piston refrigeration compressor at present, and structure is crank link mechanism, passes through motor band Dynamic crankshaft and then drive connecting rod and piston, the sucking and compression of refrigerant are realized by reed air-breathing and exhaust valve plate, due to The air-breathing of refrigerant under specific frequency and compression are not that continuously, refrigerant can generate shake in transmittance process, and then generate Gas noise.In order to reduce noise, at the air inlet pipe of compressor be provided with air suction silencer at exhaust pipe and disappear with exhaust Sound device.Existing air suction silencer generally includes noise reduction chamber, lower noise reduction chamber and the partition for having conduction pipe, for the ease of system It makes fairly simple with assembly noise reduction chamber structure, with medium-high frequency erasure effect is not especially desirable to low frequency.

The patent of Patent No. 200820230193.X discloses a kind of hermetically sealed compressor air suction silencer, the suction Gas muffler only increases the length of air inlet flow guide pipe, enhances the effect of air inlet restriction, but lower noise reduction chamber structure is excessively Simply, only one lower noise reduction chamber, gas flow cycle is shorter, and absorption sound can be limited, and the loss of suction of muffler is reduced It is limited, but the erasure effect of low frequency noise and high-frequency noises during compressor operation is less obvious.

The patent of Patent No. 201420042129.4 discloses a kind of freezer compressor air suction silencer, the muffler chamber Body structure is simple, and gas flow cycle is apart from closer, although low frequency noise can be reduced, noise reduction capability is limited, and in High frequency noise reduction effect is not particularly evident.

Utility model content

The utility model is intended to provide a kind of silencer, compressor assembly and refrigerator, to solve muffler in the prior art Cavity body structure simply leads to the problem of cannot playing effective noise reduction to the noise of different frequency range range simultaneously.

To achieve the goals above, one aspect according to the present utility model provides a kind of silencer, comprising: shell, Shell has cavity, air inlet and air outlet, and air inlet and air outlet are connected to cavity respectively；Separator is arranged in the shell, Cavity is separated into mutually isolated resonant cavity and silencing cavity by separator, and resonant cavity is only connected to air inlet, silencing cavity and air inlet Mouth is connected to gas outlet.

Further, separator includes the first demarcation plate, and cavity is separated into resonant cavity and silencing cavity by the first demarcation plate, outside It is provided with the inlet channel of connection air inlet and silencing cavity in shell, the first through hole of connection resonant cavity is provided on inlet channel.

Further, separator further includes the second demarcation plate, and the second demarcation plate is angularly disposed on the first demarcation plate Resonant cavity is separated into two resonator chambers, the second through-hole is provided on the second demarcation plate to be connected to two resonator chambers.

Further, silencing cavity includes multiple noise reduction chambers, and the gas for entering cavity from air inlet can pass sequentially through respectively A noise reduction chamber is simultaneously flowed out from gas outlet.

Further, the third demarcation plate and the 4th demarcation plate that separator includes angled setting are silencing cavity to be separated into Multiple noise reduction chambers, third demarcation plate are connect with the first demarcation plate, and multiple noise reduction chambers include first along the flow direction of gas Silencing cavity, the second silencing cavity, third silencing cavity and the 4th silencing cavity, the first silencing cavity are connected to inlet channel, the 4th silencing cavity It is connected to gas outlet.

Further, the 5th demarcation plate is provided in third silencing cavity, third silencing cavity is separated into two by the 5th demarcation plate Part.

Further, shell includes shell and lid, and shell has opening, and separator can be placed in shell from opening, Cover cap is located at the opening of shell, and air inlet is arranged on shell, and gas outlet is arranged on lid.

Further, escape pipe is also equipped on lid, the one end of escape pipe far from shell is arranged in gas outlet.

Further, it is provided with the first slot and the second slot on the inner surface of shell, is provided on the inner surface of lid Third slot and the 4th slot, the first demarcation plate and the first slot and third slot are mating, and the 4th demarcation plate and second is inserted Slot and the 4th slot are mating.

Further, the first end of the 5th demarcation plate is connected with lid, the second end and third demarcation plate of the 5th demarcation plate Between there is ebb interval.

Further, the bottom of shell is provided with oil leaking hole, oil leaking hole and each noise reduction chamber.

Further, the first silencing cavity and the second silencing cavity are located at the lower section of third silencing cavity and the 4th silencing cavity, oil leak Hole is arranged in correspondence in the lower section of the 4th demarcation plate, to be connected to simultaneously with third silencing cavity and the 4th silencing cavity.

Another aspect according to the present utility model, provides a kind of compressor assembly, including silencer, and silencer is above-mentioned Silencer.

Another aspect according to the present utility model, provides a kind of refrigerator, including compressor assembly, and compressor assembly is upper The compressor assembly stated.

Using the technical solution of the utility model, silencing cavity and resonant cavity are formed in the cavity of silencer, from air inlet The gas of entrance can be discharged by silencing cavity and from gas outlet.Gas by silencing cavity when intermediate frequency and high frequency noise Peaks and troughs tend towards stability, and significantly reduce the volume of this partial noise.Resonant cavity is only connected to air inlet, low frequency Noise can reflection be eliminated repeatedly in resonant cavity.The technical solution of the present embodiment can eliminate the more of low frequency and medium-high frequency simultaneously The noise of a frequency range effectively improves the effect of noise reduction.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the structural schematic diagram of the embodiment of silencer according to the present utility model；

Fig. 2 shows the structural schematic diagram located under another visual angle of the silencer of Fig. 1；

Fig. 3 shows the decomposition texture schematic diagram of the silencer of Fig. 2；

Fig. 4 shows the left view structural representation of the silencer of Fig. 2；

Fig. 5 shows the A-A of the silencer of Fig. 4 to schematic cross-sectional view；And

Fig. 6 shows the B of the silencer of Fig. 4 to schematic diagram.

Wherein, the above drawings include the following reference numerals:

10, shell；11, air inlet；12, gas outlet；13, shell；14, lid；15, inlet channel；16, first through hole； 17, oil leaking hole；18, escape pipe；20, separator；21, the first demarcation plate；22, the second demarcation plate；23, third demarcation plate；24, Four demarcation plates；25, the 5th demarcation plate；26, the second through-hole；27, third through-hole；28, fourth hole；29, fifth hole；91, One slot；92, the second slot；93, third slot；94, the 4th slot.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall in the protection scope of this application.

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 singular Also it is 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 their combination.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited scope of the present application processed of 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 draw according to actual 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 of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated 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 that it is further discussed in figure.

As shown in Figure 1 to Figure 3, the silencer of the present embodiment includes shell 10 and separator 20, wherein shell 10 has sky Chamber, air inlet 11 and gas outlet 12, air inlet 11 and gas outlet 12 are connected to cavity respectively.Separator 20 is arranged in shell 10 In, cavity is separated into mutually isolated resonant cavity and silencing cavity by separator 20, and resonant cavity is only connected to air inlet 11, silencing cavity It is connected to air inlet 11 and gas outlet 12.Preferably, the area of section of the gas outlet 12 of the present embodiment is in 27mm²~34mm²It Between.

Using the technical solution of the present embodiment, silencing cavity and resonant cavity are formed in the cavity of silencer, from air inlet 11 The gas of entrance can be discharged by silencing cavity and from gas outlet 12.Gas by silencing cavity when intermediate frequency and high frequency noise Peaks and troughs tend towards stability, significantly reduce the volume of this partial noise.Resonant cavity is only connected to air inlet 11, Low frequency noise can reflection be eliminated repeatedly in resonant cavity.The technical solution of the present embodiment can eliminate low frequency and medium-high frequency simultaneously Multiple frequency ranges noise, effectively improve the effect of noise reduction.

As shown in Figure 1 to Figure 3, the shell 10 of the present embodiment includes shell 13 and lid 14, and shell 13 has opening, is separated Part 20 can be from opening merging shell 13, and lid 14 covers the opening for being located at shell 13, and air inlet 11 is arranged on shell 13, Gas outlet 12 is arranged on lid 14, and such structure is simply readily produced assembly.

As shown in Figure 3 and Figure 5, escape pipe 18 is also equipped on the lid 14 of the present embodiment, gas outlet 12 is arranged in outlet The one end of pipe 18 far from shell 13.

As shown in Figures 3 to 6, the separator 20 of the present embodiment includes the first demarcation plate 21, and the first demarcation plate 21 is by cavity It is separated into resonant cavity and silencing cavity, the inlet channel 15 of connection air inlet 11 and silencing cavity, inlet channel are provided in shell 10 The first through hole 16 of connection resonant cavity is provided on 15.First demarcation plate 21, which is vertically arranged, is divided into left and right two for the cavity of shell 10 Part, wherein 21 left part of the first demarcation plate only is connected to form resonant cavity with air inlet 11,21 right part of the first demarcation plate It is connected to air inlet 11 and gas outlet 12 and to form silencing cavity.Inlet channel 15 is easily achieved resonant cavity along the setting of the bottom of shell 10 With the isolation of silencing cavity.Preferably, the aperture of the inlet channel 15 of the present embodiment is between 5mm~8mm, 16 diameter of first through hole Between 1.8mm~3mm.

Resonant cavity integrally can only by 16 air inlet of first through hole, can for the low frequency noise within the scope of 0 to 1500Hz into Row noise reduction.As shown in Figures 3 to 6, the separator 20 of the present embodiment further includes the second demarcation plate 22, and the second demarcation plate 22 is angled Ground is arranged on the first demarcation plate 21 so that resonant cavity is separated into two resonator chambers, and it is logical that second is provided on the second demarcation plate 22 Hole 26 is to be connected to two resonator chambers.Second demarcation plate 22 can control the relative size between two resonator chambers, i.e., two The low frequency of ratio between resonator chamber volume, the compressor that the size by controlling the ratio can solve different displacements is made an uproar Sound.Such as the muffler of the present embodiment is particularly suitable for solving the low frequency noise within the scope of 680Hz to 750Hz.Preferably, this reality The thickness of the second demarcation plate 22 of example is applied between 1.8mm~2.5mm, the diameter of the second through-hole 26 1.5mm~2.5mm it Between.

The silencing cavity of the silencer of the present embodiment includes multiple noise reduction chambers, and the gas for entering cavity from air inlet 11 can It passes sequentially through each noise reduction chamber and is flowed out from gas outlet 12.Silencing cavity is for the intermediate frequency noise within the scope of 1500Hz to 2500Hz And the high frequency noise of 2500Hz range above carries out effectively noise reduction, the quantity for increasing noise reduction chamber is then conducive to by stages Reduce the volume of the medium-high frequency noise of different frequency range.

Specifically, as shown in Figures 3 to 6, the separator 20 of the present embodiment includes the third demarcation plate 23 of angled setting With the 4th demarcation plate 24 silencing cavity is separated into multiple noise reduction chambers, third demarcation plate 23 is connect with the first demarcation plate 21, more A noise reduction chamber includes the first silencing cavity, the second silencing cavity, third silencing cavity and the 4th silencing cavity along the flow direction of gas, the One silencing cavity is connected to inlet channel 15, and the 4th silencing cavity is connected to gas outlet 12.

Preferably, in the present embodiment, the volume of the first silencing cavity is greater than the volume of the second silencing cavity, the second silencing cavity Volume is greater than the volume of third silencing cavity.The volume of each silencing cavity can be arranged according to the trend of lower noise, saved space, improved Noise reduction effect.Third demarcation plate 23 and the 4th demarcation plate 24 can also adjust position according to factors such as compressor displacement, power, with Change the PRESSURE-VOLUME RELATION between each noise reduction chamber for the noise of different frequency range, further increases noise reduction effect.

The third through-hole 27 of connection the second silencing cavity and third silencing cavity, the 4th demarcation plate are provided on third demarcation plate 23 It is provided with connection the first silencing cavity and the fourth hole 28 of the second silencing cavity on 24 and is connected to third silencing cavity and the 4th noise reduction The fifth hole 29 of chamber.Preferably, between 1.8mm~2.5mm, the 4th separates the thickness of the third demarcation plate 23 of the present embodiment The thickness of plate 24 is between 1.2mm~2mm, and the diameter of third through-hole 27 is between 3.5mm~4.5mm, fourth hole 28 and The diameter of five through-holes 29 is between 3.5mm~4.5mm.

As shown in Figures 3 to 6, the 5th demarcation plate 25, the 5th demarcation plate are additionally provided in the third silencing cavity of the present embodiment Third silencing cavity is separated into two parts by 25.Similar with the function of the second demarcation plate 22, the 5th demarcation plate 25 can adjust Volume fraction between two parts of three silencing cavities can be further improved the noise reduction effect of silencing cavity by adjusting the volume fraction Fruit.

Specifically, as shown in Figures 3 to 6, the first end of the 5th demarcation plate 25 of the present embodiment is connected with lid 14, and the 5th There is ebb interval between the second end and third demarcation plate 23 of demarcation plate 25.Such 5th demarcation plate 25 can be with lid 14 1 It manufactures, is formed convenient for the production of silencer entirety body formedly.In other embodiments not shown in the figure, the 5th separates Plate also can be set on third demarcation plate and form ebb interval between the 5th demarcation plate and lid.

Cold media gas enters the cavity of the silencer of the present embodiment from air inlet 11, and a portion is from inlet channel 15 First through hole 16 enter two resonator chambers, another part by inlet channel 15 enter silencing cavity, and along Fig. 3 counterclockwise The first silencing cavity, the second silencing cavity, two parts of third silencing cavity and the 4th silencing cavity are successively passed through in direction, finally from outlet Silencers are discharged in mouth 12.

As shown in Figures 3 to 6, the bottom of the shell 10 of the present embodiment is provided with oil leaking hole 17, and oil leaking hole 17 disappears with each Sound chamber.Oil leak can be passed through with lubricating oil, refrigeration oil or other liquid flow matter that compressed gas enters silencer in this way Silencer is discharged in hole 17.As shown in fig. 6, the oil leaking hole 17 of the present embodiment is arranged on the bottom wall of shell 13, and oil leaking hole 17 Position on bottom wall and the 4th demarcation plate 24 to corresponding, such oil leaking hole 17 can simultaneously with the first silencing cavity and the second noise reduction Chamber connection, convenient for emptying the oil in silencing cavity.Preferably, the outer surface of the oil leaking hole baffle of the present embodiment is in the conical surface, to prevent The sucking of refrigeration oil mist of oil is discharged in silencing cavity room with refrigerant, so that the pump housing leads to suction superheat without sufficiently cooling, in turn Influence the overall performance of compressor.

For the separator 20 of fixed the present embodiment, as shown in Figure 3 and Figure 5, the shell 13 of the present embodiment and lid 14 it is interior It is both provided with the baffle that multiple groups are oppositely arranged on surface, the first slot 91, second of fixed separator is respectively formed between baffle Slot 92, third slot 93 and the 4th slot 94, wherein the first demarcation plate 21 is inserted into the first slot 91 and third slot 93, 4th demarcation plate 24 is inserted into the second slot 92 and the 4th slot 94 and realizes fixing seal.Preferably, the thickness of baffle is in 0.8mm Between~1.2mm.

Present invention also provides a kind of compressor assemblies, as shown in Figure 1, the compressor assembly of the present embodiment includes eliminating the noise Device, silencer are the silencer comprising above-mentioned all or part of technical pattern.The compressor assembly of the present embodiment has noise small The advantages of.

Present invention also provides a kind of refrigerators, include compressor and noise elimination according to the refrigerator (not shown) of the present embodiment Device, wherein the gas outlet of silencer is connected to the air inlet of compressor, and silencer is comprising above-mentioned all or part of technical pattern Silencer.The refrigerator of the present embodiment has the advantages that noise is small.

It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:

Silencing cavity and resonant cavity are formed in the cavity of silencer, the gas entered from air inlet can be by silencing cavity simultaneously It is discharged from gas outlet.Gas by silencing cavity when intermediate frequency and the peaks and troughs of noise of high frequency tend towards stability, effectively Reduce the volume of this partial noise.Resonant cavity is only connected to air inlet, and low frequency noise can be repeatedly anti-in resonant cavity Penetrate elimination.The technical solution of the present embodiment can eliminate the noise of multiple frequency ranges of low frequency and medium-high frequency simultaneously, effectively improve The effect of noise reduction.

In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical, Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component 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, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this Apply for the limitation of protection scope.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (14)

1. a kind of silencer characterized by comprising

Shell (10), the shell (10) have a cavity, air inlet (11) and gas outlet (12), the air inlet (11) and described Gas outlet (12) is connected to the cavity respectively；

Separator (20) is arranged in the shell (10), and the cavity is separated into mutually isolated by the separator (20) Resonant cavity and silencing cavity, the resonant cavity are only connected to the air inlet (11), the silencing cavity and the air inlet (11) and The gas outlet (12) is connected to.

2. silencer according to claim 1, which is characterized in that the separator (20) includes the first demarcation plate (21), The cavity is separated into the resonant cavity and the silencing cavity by first demarcation plate (21), is provided in the shell (10) It is connected to the inlet channel (15) of the air inlet (11) and the silencing cavity, is provided with described in connection on the inlet channel (15) The first through hole (16) of resonant cavity.

3. silencer according to claim 2, which is characterized in that the separator (20) further includes the second demarcation plate (22), second demarcation plate (22) is angularly disposed on first demarcation plate (21) so that the resonant cavity to be separated into Two resonator chambers are provided with the second through-hole (26) to be connected to two resonator chambers on second demarcation plate (22).

4. silencer according to claim 2, which is characterized in that the silencing cavity includes multiple noise reduction chambers, from described The gas that air inlet (11) enters the cavity can pass sequentially through each noise reduction chamber and flow from the gas outlet (12) Out.

5. silencer according to claim 4, which is characterized in that the separator (20) includes the third of angled setting Demarcation plate (23) and the 4th demarcation plate (24) are to be separated into multiple noise reduction chambers, the third demarcation plate for the silencing cavity (23) connect with first demarcation plate (21), multiple noise reduction chambers along the flow direction of gas include the first silencing cavity, Second silencing cavity, third silencing cavity and the 4th silencing cavity, first silencing cavity are connected to the inlet channel (15), and described Four silencing cavities are connected to the gas outlet (12).

6. silencer according to claim 5, which is characterized in that be provided with the 5th demarcation plate in the third silencing cavity (25), the third silencing cavity is separated into two parts by the 5th demarcation plate (25).

7. silencer according to claim 6, which is characterized in that the shell (10) includes shell (13) and lid (14), the shell (13) has opening, and the separator (20) can be placed in the shell (13) from the opening, described Lid (14) covers the opening for being located at the shell (13), and the air inlet (11) is arranged on the shell (13), institute Gas outlet (12) are stated to be arranged on the lid (14).

8. silencer according to claim 7, which is characterized in that escape pipe (18) are also equipped on the lid (14), Gas outlet (12) setting is in the one end of the escape pipe (18) far from the shell (13).

9. silencer according to claim 7, which is characterized in that be provided with first on the inner surface of the shell (13) and insert Slot and the second slot are provided with third slot and the 4th slot, first demarcation plate on the inner surface of the lid (14) (21) mating with first slot and the third slot, the 4th demarcation plate (24) and second slot and institute It is mating to state the 4th slot.

10. silencer according to claim 7, which is characterized in that the first end of the 5th demarcation plate (25) with it is described Lid (14) is connected, and has ebb interval between the second end and the third demarcation plate of the 5th demarcation plate.

11. silencer according to claim 5, which is characterized in that the bottom of the shell (10) is provided with oil leaking hole (17), the oil leaking hole (17) and each noise reduction chamber.

12. silencer according to claim 11, which is characterized in that first silencing cavity and second silencing cavity position In the lower section of the third silencing cavity and the 4th silencing cavity, the oil leaking hole (17) is arranged in correspondence with to be separated the described 4th The lower section of plate (24), to be connected to simultaneously with the third silencing cavity and the 4th silencing cavity.

13. a kind of compressor assembly, including silencer, which is characterized in that the silencer is any one of claims 1 to 12 The silencer.

14. a kind of refrigerator, including compressor assembly, which is characterized in that the compressor assembly is pressure described in claim 13 Contracting thermomechanical components.