CN111059028A

CN111059028A - Silencer, compressor and refrigeration equipment

Info

Publication number: CN111059028A
Application number: CN201911248249.3A
Authority: CN
Inventors: 杨鑫
Original assignee: Anhui Meizhi Compressor Co Ltd
Current assignee: Anhui Meizhi Compressor Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-04-24

Abstract

The invention provides a silencer, a compressor and refrigeration equipment, wherein the silencer comprises: the shell is internally provided with a silencing cavity, and a part of a bottom plate of the shell protrudes into the silencing cavity; the first oil leakage hole is formed in the protrusion and used for discharging oil in the silencing cavity. Through the technical scheme of the invention, the oil discharge efficiency of the first oil leakage hole at the bottom of the silencer is effectively improved, and the oil discharge amount in the running process of the compressor is reduced.

Description

Silencer, compressor and refrigeration equipment

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a silencer, a compressor and refrigeration equipment.

Background

The refrigerator is used as a household appliance necessary for daily life, and besides important freezing capacity, the noise level is also one of key indexes of the refrigerator; the noise of the refrigerator mainly comes from a compressor, and a silencer is generally arranged in the compressor to reduce the noise; the muffler bottom is equipped with the inside oil leak hole of intercommunication muffler, and when refrigerating machine oil when flowing back to compressor housing bottom along the outer wall of muffler casing, the refrigerating machine oil near oil leak hole is easy to be inhaled inside the muffler under the drive of refrigerant, finally along with the flow of refrigerant from the blast pipe discharge compressor, causes the oil mass of spouting of compressor great.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

In view of the above, an object of the present invention is to provide a muffler.

Another object of the present invention is to provide a compressor.

It is yet another object of the present invention to provide a refrigeration apparatus.

In order to achieve the above object, a first aspect of the present invention provides a muffler, including: the shell is internally provided with a silencing cavity, and a part of a bottom plate of the shell protrudes into the silencing cavity; the first oil leakage hole is formed in the protrusion and used for discharging oil in the silencing cavity.

In this technical scheme, through setting up partly to protruding to the amortization intracavity with the bottom plate of casing, and first oil leak hole sets up in protruding, can raise the position of first oil leak hole, reduces fluid from first oil leak hole quilt and inhales the inside possibility of muffler to reduce the compressor operation in-process and tell oil mass.

Specifically, after a part of the bottom plate protrudes into the silencing cavity, the bottom of the silencer is far away, the first oil leakage hole is arranged on the protrusion, so that the distance between the first oil leakage hole and oil flowing to the bottom of the silencer is increased, the suction force applied to the oil is reduced, meanwhile, the protruding direction faces the silencing cavity, the position of the first oil leakage hole in the protrusion is higher than the bottom of the silencer, the oil is required to enter the silencer, the self weight of the oil is continuously overcome within a longer distance, the difficulty of the oil sucked into the silencer is further increased, the quantity of the oil entering the silencer from the first oil leakage hole is reduced, and the oil output of the compressor can be effectively reduced; in addition, after first oil leak hole was raised, because certain interval has between the bottom of first oil leak hole and muffler, reduced the possibility that the first oil leak hole was blockked up to the fluid of muffler bottom, still be favorable to the inside fluid outflow of muffler to the oil mass of spouting of compressor has further been reduced.

In the above technical scheme, the first oil leakage hole is formed in the root of the protrusion.

In the technical scheme, the first oil leakage hole is arranged at the root of the protrusion, so that oil liquid flowing to the root of the protrusion along the top of the protrusion can flow out of the first oil leakage hole; the oil on the part which is not raised on the bottom plate of the shell flows out from the first oil leakage hole, and accumulation of the oil in the silencing cavity is reduced, so that the amount of the oil in the silencing cavity is reduced, and the oil output of the compressor is effectively reduced.

In any one of the above technical solutions, the first oil leakage hole is obliquely arranged.

In the technical scheme, the first oil leakage hole which is obliquely arranged is beneficial to the outward flowing of oil along the inclined plane, so that the smoothness of the flowing of the oil is improved; in addition, for the first oil leakage hole which is vertically arranged, the area of the hole opening is increased, the possibility that an oil film is formed at the position of the hole opening to block the first oil leakage hole under the action of surface tension of oil is favorably reduced, the oil discharging efficiency of the first oil leakage hole is improved, and the oil quantity in the silencer is reduced.

In any one of the above technical solutions, an included angle between a hole axis of the first oil leakage hole and a portion of the base plate which is not protruded is an acute angle.

In the technical scheme, an included angle between a hole shaft of the first oil leakage hole and a part, which is not protruded, on the bottom plate is an acute angle, so that the first oil leakage hole is obliquely arranged on the protrusion, oil in the silencing cavity can flow out of the silencer along with the oblique first oil leakage hole, and the oil output of the compressor is reduced; compared with the first oil leakage hole which is arranged vertical to the bottom plate, the first oil leakage hole which forms an acute angle between the hole shaft and the bottom plate has a larger opening on the bottom plate, and the opening is an inclined plane, so when oil flows to the opening, the oil flows out more easily because the change of the flow direction is smaller; it can be understood that when the oil flows to the opening, the direction of the oil needs to be changed by 90 degrees by the first oil leakage hole which is vertically arranged, and the oil flows more difficultly; in addition, the opening area of the first oil leakage hole with the hole axis forming an acute angle is larger, so that the situation that the first oil leakage hole is blocked by oil liquid under the action of surface tension is favorably reduced.

In the technical scheme, the included angle between the hole axis and the part which is not protruded on the bottom plate is 0-30 degrees.

In this technical scheme, with the contained angle setting between the part that does not bulge on hole axle and the bottom plate below 30, be favorable to guaranteeing that first oil leak hole is having great opening, promote oil extraction efficiency.

In any one of the above technical solutions, an oil blocking member is disposed at an outer side of the bottom of the housing, and the oil blocking member is disposed opposite to the first oil leakage hole to block oil from being sucked into the first oil leakage hole from the outer side of the housing.

In this technical scheme, keep off the oil spare through setting up to set up with first oil leak hole is relative, make the fluid that flows back to the compressor bottom from the outer wall of muffler casing can be blockked by keeping off the oil spare, be favorable to reducing the compressor reciprocating motion in-process from first oil leak hole suction fluid, and discharge the fluid in the muffler better.

In the above technical scheme, the oil blocking piece and the first oil leakage hole are arranged at intervals.

In this technical scheme, keep off oily piece and first oil leak hole interval setting, can increase the fluid of muffler shell outside backward flow on the one hand and the distance between the first oil leak hole, reduce first oil leak hole and inhale fluid, on the other hand still can provide certain flow space for the fluid that flows from first oil leak hole, and it takes place to reduce the condition that fluid blockked up first oil leak hole because of flowing unsmooth gathering near first oil leak hole, has further promoted the smooth and easy degree of first oil leak hole oil extraction.

In any one of the above technical schemes, the width of the bulge along the radial two sides of the first oil leakage hole is 6-10 mm; and/or the height of the top of the protrusion relative to the root of the protrusion is 3 mm-6 mm; and/or the distance between the first oil leakage hole and the oil blocking piece is 5-8 mm; and/or the thickness of the oil retaining piece is 1 mm-2 mm.

In the technical scheme, by limiting the width range of the radial two sides of the protrusion along the first oil leakage hole, the height range of the top of the protrusion relative to the root of the protrusion and the distance range between the first oil leakage hole and the oil blocking piece, a larger space is formed below the first oil leakage hole, so that the first oil leakage hole can discharge oil conveniently, the oil discharge efficiency is improved, and the phenomenon that the space below the first oil leakage hole is too large and occupies the space of the compressor is avoided; the oil blocking member has enough thickness to ensure certain strength by limiting the thickness range of the oil blocking member, so that the oil blocking member is prevented from being damaged due to suction force generated in the reciprocating operation process of the compressor; and meanwhile, the thickness of the material is not too thick, so that the processing is difficult.

An aspect of the second aspect of the present invention provides a compressor, including: a housing; the silencer in any of the above technical solutions of the first aspect is disposed in the casing.

In this technical scheme, by adopting the muffler of any one of the above technical schemes, all beneficial effects of the above technical scheme are achieved, and are not described herein again; through setting up the casing, be convenient for hold the muffler, reduce the noise of other parts of compressor in the casing.

The compressor in the technical scheme is a piston compressor or a screw compressor or a centrifugal compressor or a linear compressor.

An aspect of the third aspect of the present invention provides a refrigeration apparatus, including: a box body; the muffler according to any one of the first aspect or the compressor according to the second aspect is provided in a case.

In this technical solution, by using the muffler according to any one of the above technical solutions of the first aspect, all beneficial effects of the above technical solutions are achieved, and are not described herein again; by adopting the compressor in the second aspect, all beneficial technical effects of the technical solution in the second aspect are achieved, and are not described herein again; through setting up the box, be convenient for hold muffler or compressor.

The refrigerating equipment is any one of a refrigerator, a freezer and an air conditioner.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a cross-sectional side view of a muffler according to an embodiment of the present invention;

FIG. 2 is a schematic perspective exploded view of a muffler in accordance with an embodiment of the present invention;

FIG. 3 is a schematic top view of a muffler according to an embodiment of the present invention;

FIG. 4 is a schematic longitudinal sectional view of a muffler according to another embodiment of the present invention;

FIG. 5 is a schematic sectional view showing a first oil leak hole of a muffler according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a muffler according to another embodiment of the present invention;

fig. 7 is a block diagram schematically illustrating the structure of a compressor according to an embodiment of the present invention;

fig. 8 is a block diagram of a refrigeration apparatus according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:

100 shell, 102 upper silencing cavity, 104 baffle, 106 lower silencing cavity, 108 bulge, 110 first oil leakage hole, 112 oil blocking piece, 114 air inlet, 116 air outlet, 118 communicating pipe, 120 second oil leakage hole, 122 bottom plate, 2 refrigeration equipment, 20 compressor, 200 silencer, 202 shell and 22 box.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments according to the invention are described below with reference to fig. 1 to 8.

As shown in fig. 1, a muffler 200 according to one embodiment of the present invention includes: the housing 100, the housing 100 is provided with a silencing cavity, and the housing 100 is provided with a first oil leakage hole 110 for discharging oil.

As shown in fig. 2, specifically, a part of the bottom plate 122 of the housing 100 protrudes into the sound-deadening chamber 108, and the first oil leakage hole 110 is provided on the protrusion 108.

In this embodiment, by disposing a portion of the bottom plate 122 of the housing 100 as the protrusion 108 toward the sound-deadening chamber and disposing the first oil-leakage hole 110 on the protrusion 108, the position of the first oil-leakage hole 110 can be raised, and the possibility that oil is sucked into the interior of the sound-deadening device 200 from the first oil-leakage hole 110 can be reduced, thereby reducing the oil discharge amount during the operation of the compressor 20.

As shown in fig. 2 and 4, the first oil leakage hole 110 is disposed at the root of the protrusion 108, which is beneficial for the oil to flow out from the first oil leakage hole 110 after flowing from the top of the protrusion 108 to the root of the protrusion 108, and in addition, the oil on the part of the bottom plate 122 of the housing 100 that is not the protrusion 108 can also flow out from the first oil leakage hole 110, so as to reduce the accumulation of the oil in the sound-deadening chamber, thereby reducing the amount of the oil in the sound-deadening chamber, and further effectively reducing the oil output of the compressor 20.

As shown in fig. 4 and 6, in any of the above embodiments, the first oil leakage hole 110 is disposed obliquely, and the included angle α between the hole axis of the first oil leakage hole 110 and the portion of the bottom plate 122 without the protrusion 108 is an acute angle, further, the included angle α is smaller than 30 °, such as 10 °, 15 °, 18 °, 20 °, 22 °, 25 °, and so on, and the first oil leakage hole 110 disposed obliquely and having an angle smaller than 30 ° has a large aperture area, which is beneficial to reducing the possibility that the oil film is formed at the aperture position to block the first oil leakage hole 110 under the action of surface tension, and is beneficial to guiding the oil to flow to it, improving the oil discharging efficiency of the first oil leakage hole 110, and reducing the amount of oil inside the muffler 200, thereby reducing the oil output of the compressor 20;

as shown in fig. 4 and 6, in any of the above embodiments, an oil blocking member 112 is disposed at a position outside the bottom of the casing 100, the oil blocking member 112 is disposed opposite to and spaced apart from the first oil leakage hole 110, and further, the oil blocking member 112 is plate-shaped and has a plate surface facing the first oil leakage hole 110, which is beneficial to enlarging the oil blocking area, increasing the distance between the oil outside the oil blocking member 112 and the first oil leakage hole 110, reducing the oil sucked into the first oil leakage hole 110, making the oil flowing back from the outer wall of the casing 100 of the muffler 200 to the bottom of the compressor 20 difficult to be sucked into the first oil leakage hole 110 after being blocked by the oil blocking member 112, reducing the amount of the oil sucked from the first oil leakage hole 110 during the reciprocating operation of the compressor 20, and discharging the oil in the muffler 200.

As shown in fig. 1, in any of the above embodiments, the width D of the protrusion 108 along both sides in the radial direction of the first oil leakage hole 110 is 6mm to 10mm, for example, D is any one of 7mm, 8mm, and 9 mm; as shown in fig. 6, and/or the height H of the top of the protrusion 108 relative to the root of the protrusion 108 is 3mm to 6mm, for example, H is any one of 3mm, 4mm, and 5 mm; and/or the distance S between the first oil leakage hole 110 and the oil blocking piece 112 is 5 mm-8 mm, for example, S is any one value of 6mm, 7mm and 7.5 mm; and/or the thickness T of the oil baffle 112 is 1mm to 2mm, for example T is any one of 1.2mm, 1.4mm, and 1.5 mm.

In this embodiment, by limiting the range of the width D of the protrusion 108 along both sides of the first oil leakage hole 110 in the radial direction, the range of the height H of the top of the protrusion 108 relative to the root of the protrusion 108, and the range of the distance S between the first oil leakage hole 110 and the oil blocking member 112, it is possible to provide a larger space below the first oil leakage hole 110, so as to facilitate the first oil leakage hole 110 to discharge oil, improve oil discharge efficiency, and prevent the space below the first oil leakage hole 110 from being too large and occupying the space of the compressor 20; by limiting the thickness range of the oil blocking member 112, the oil blocking member 112 has sufficient thickness to ensure certain strength, and the damage of the oil blocking member 112 caused by the suction force generated during the reciprocating operation of the compressor 20 is avoided; and meanwhile, the thickness of the material is not too thick, so that the processing is difficult.

As shown in fig. 7, an embodiment of the second aspect of the present invention provides a compressor 20 including: a housing 202; the silencer 200 of any of the embodiments of the first aspect described above is disposed within a cabinet 202.

In this embodiment, by using the muffler 200 of any one of the above embodiments, all the beneficial effects of the above embodiments are achieved, and are not described herein again; by providing a housing 202, it is convenient to accommodate the muffler 200 and reduce the noise of other components of the compressor 20 within the housing 202.

The compressor 20 in the above embodiments is a piston compressor or a screw compressor or a centrifugal compressor or a linear compressor.

In another embodiment, as shown in fig. 8, the refrigeration appliance comprises a tank 22 and the compressor 20 of the second aspect described above, disposed within the tank 22.

In the above embodiment, by using the muffler 200 according to any one of the above embodiments of the first aspect, all beneficial effects of the above embodiments are achieved, and are not described herein again; by adopting the compressor 20 in the second aspect, all the beneficial technical effects of the embodiments in the second aspect are achieved, and are not described herein again; by providing the case 22, it is convenient to accommodate the muffler 200 or the compressor 20.

The refrigerating device 2 is any one of a refrigerator, a freezer and a freezer.

As shown in fig. 1 and 3, a muffler 200 of a compressor 20 according to an embodiment of the present disclosure includes a housing 100, the housing 100 having an air inlet 114, an air outlet 116, and a partition 104, the partition 104 in the housing 100 having an air flow passage communicating the air inlet 114 with the air outlet 116, the partition 104 and the housing 100 being integrated to divide an inner cavity of the muffler 200 into an upper and a lower muffling chambers, i.e., a lower muffling chamber 106 communicating with the air inlet 114 and an upper muffling chamber 102 communicating with the air outlet 116, the partition 104 having a communication pipe 118 communicating with the upper muffling chamber 102 and the lower muffling chamber 106, and a first oil leakage hole 110 and a second oil leakage hole 120, as shown in fig. 1 and 5, the bottom of the housing 100 of the muffler 200 having the first oil leakage hole 110, the partition 104 having the second oil leakage hole 120, the two oil leakage holes being respectively located at the bottoms of the two muffling chambers, wherein an inward protruding portion of the bottom of the lower muffling chamber 106 in the housing 100 is an inward protruding form, or a portion 108 of the bottom of the housing 100 protruding upward from the oil leakage hole, and an angle 350 for guiding oil to the reciprocating oil entering into the housing 100 and guiding the oil to the oil leakage blocking member 100.

According to some embodiments of the invention, the bottom of the casing 100 of the muffler 200 is provided with an oil leak, at the level of the bottom of the lower muffling chamber 106, and close to the outside of the casing 100.

According to some embodiments of the present invention, the bottom oil leaking portion of the lower sound-deadening chamber 106 of the casing 100 takes the form of an "inward bulge".

According to some embodiments of the present invention, the width of the oil leaking portion of the housing 100, or the width D of the protrusion 108, along the radial direction of the first oil leaking hole 110, is 6mm to 10 mm.

According to some embodiments of the present invention, the height of the oil leaking portion on the case 100, i.e., the height H of the top of the protrusion 108 with respect to the root of the protrusion 108, is 3mm to 6 mm.

According to some embodiments of the present invention, the length of the oil leaking portion of the housing 100 in the thickness direction of the outer arc surface of the housing 100, i.e., the distance S between the first oil leaking hole 110 and the oil blocking member 112, is 5mm to 8 mm.

According to some embodiments of the present invention, an included angle between a hole axis of the first oil leakage hole 110 and a horizontal plane of the bottom of the housing 100, or a part of a plane that is not protruded, is 0 ° to 30 °, specifically, any one of values of 5 °, 8 °, 12 °, 16 °, and the like.

According to some embodiments of the present invention, the oil blocking member 112 is disposed at the corresponding outer side of the casing 100, and the thickness T of the oil blocking member 112 is 1mm to 2mm, which is beneficial to reduce the suction of the lubricating oil and to discharge the lubricating oil brought into the muffler 200 during the reciprocating operation of the compressor 20.

The compressor 20 according to the embodiment of the present invention includes the above-described muffler 200 for the compressor 20.

According to the muffler 200 for the compressor 20, the design of the oil leakage part at the bottom can effectively reduce the pneumatic noise caused by sucking the refrigerant and atomizing the lubricating oil in the operation process of the compressor 20, thereby achieving better air suction efficiency and noise reduction effect and ensuring the overall performance of the compressor 20; meanwhile, the efficient oil leakage and oil absorption prevention design adopted by the invention can greatly reduce the oil output in the running process of the compressor 20.

The technical scheme of the invention is described in detail in the above with reference to the attached drawings, and by the technical scheme of the invention, the oil discharge efficiency of the first oil leakage hole at the bottom of the silencer is effectively improved, and the oil discharge amount in the running process of the compressor is reduced.

In the present invention, the terms "first", "second", are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A muffler, comprising:

the noise reduction device comprises a shell, a noise reduction cavity and a noise reduction mechanism, wherein a part of a bottom plate of the shell protrudes into the noise reduction cavity;

and the first oil leakage hole is arranged on the protrusion and used for discharging oil in the silencing cavity.

2. The muffler of claim 1,

the first oil leakage hole is formed in the root of the protrusion.

3. The muffler according to claim 1 or 2,

the first oil leakage hole is obliquely arranged.

4. The muffler according to claim 1 or 2,

and an included angle between a hole shaft of the first oil leakage hole and the part which is not protruded on the bottom plate is an acute angle.

5. The muffler of claim 4,

the included angle between the hole axis and the part which is not raised on the bottom plate is 0-30 degrees.

6. The muffler according to claim 1 or 2,

and an oil blocking part is arranged at the outer side of the bottom of the shell and is opposite to the first oil leakage hole so as to prevent the oil from being sucked into the first oil leakage hole from the outer side of the shell.

7. The muffler of claim 6,

the oil blocking piece and the first oil leakage hole are arranged at intervals.

8. The muffler of claim 6,

the width of the bulge along the two radial sides of the first oil leakage hole is 6-10 mm; and/or

The height of the top of the bulge relative to the root of the bulge is 3-6 mm; and/or

The distance between the first oil leakage hole and the oil blocking piece is 5-8 mm; and/or

The thickness of the oil baffle is 1 mm-2 mm.

9. A compressor, comprising:

a housing;

the muffler of any one of claims 1 to 8 disposed within the enclosure.

10. A refrigeration apparatus, comprising:

a box body;

the muffler of any one of claims 1 to 8, or

The compressor of claim 9, disposed within said housing.