CN208858515U - Muffler, compressor and refrigeration equipment - Google Patents

Abstract

The utility model discloses a kind of muffler, compressor and refrigeration equipment, the muffler includes: the shell with cavity, and the shell is provided with air inlet pipe (13) and escape pipe (14)；And partition (30), the partition (30) has the surface of arc, partition (30) short transverse is vertically situated in the shell and the cavity is divided into left anechoic chamber (21) and right anechoic chamber (22), the escape pipe (14) is connected to the left anechoic chamber (21), and the air inlet pipe (13) is connected to the right anechoic chamber (22)；It is provided with the communicating pipe (31) for being connected to the left anechoic chamber (21) and the right anechoic chamber (22) on the partition (30), is discharged again from the escape pipe (14) communicating pipe (31) so that gas enters after the cavity to first pass through from the air inlet pipe (13).The muffler of the utility model has the advantages that good muffling effect, structure are simple.

Description

Muffler, compressor and refrigeration equipment

Technical field

The utility model relates to Compressor Technology fields, more particularly to a kind of muffler, compressor and refrigeration equipment.

Background technique

With the continuous development of social economy and science and technology, the improvement of people's living standards, environmental protection consciousness is also big Big enhancing.It is the refrigeration equipment of representative as the household electrical appliance of daily life indispensability, requirement of the people to its performance using refrigerator It is higher and higher, and refrigerator, other than important refrigerating capacity, noise level is also one of the index of refrigerator most critical, refrigerator Noise mainly from the noise of freezer compressor, " heart " of the freezer compressor as refrigerator system to monomer performance, make an uproar Sound, the requirement of level of vibration are also higher and higher, in terms of this straight-forward phenomenon is mainly reflected in noise, so to freezer compressor The importance of noise control is self-evident.In the prior art, structure is complicated for the muffling device of compressor, makes cumbersome, raising The price of compressor or even entire refrigeration equipment.In addition, the inhaling silencer of the Reciprocting piston compressor of the prior art by It is small in cavity, compression ratio is limited, therefore there is a problem of that sound deadening capacity is limited.

Utility model content

The purpose of this utility model is to overcome problem of the existing technology, provide a kind of muffler, compressor and Refrigeration equipment, the muffler have the advantages that good muffling effect, structure are simple.

To achieve the goals above, on the one hand the utility model provides a kind of muffler, and the muffler includes: to have sky The shell of chamber, the shell are provided with air inlet pipe and an air outlet pipe；And partition, the partition have arc surface, it is described every Plate short transverse is vertically situated in the shell and the cavity is divided into left anechoic chamber and right anechoic chamber, the escape pipe It is connected to the left anechoic chamber, the air inlet pipe is connected to the right anechoic chamber；The connection left side is provided on the partition to disappear The communicating pipe of tone chamber and the right anechoic chamber, so that gas first passes through the communicating pipe after entering the cavity from the air inlet pipe It is discharged again from the escape pipe.

Preferably, the ratio of the volume of the right anechoic chamber and the left anechoic chamber is 1/5~1/2.

Preferably, the shell includes all having open upper housing and lower case, the opening of the upper housing with it is described The open of lower case is cooperatively connected to form the cavity in inside, and the escape pipe is connected to the upper housing, the air inlet Pipe is connected to the lower case；The inner bottom surface of the lower case is provided with the first mounting groove along the extension path of the partition, The bottom end of the partition is mounted in first mounting groove.

Preferably, the inside top surface of the upper housing is provided with the second mounting groove along the extension path of the partition, described The top of partition is mounted in second mounting groove.

Preferably, the bottom of the lower case is provided with the oil leaking hole for oil liquid to be discharged.

Preferably, the bottom of the lower case is set there are two the oil leaking hole, and an oil leaking hole is arranged on the left side Anechoic chamber, another described oil leaking hole are arranged in the right anechoic chamber.

Preferably, the bottom of the lower case is provided with oil baffle, to guide oil liquid to be discharged from the oil leaking hole.

Preferably, one end of the escape pipe stretches out the shell and is equipped with gas outlet, the other end of the escape pipe with Left anechoic chamber's connection, the inner wall of the escape pipe has arcuate structure, so that after gas is discharged from first anechoic chamber The arcuate structure is first passed through to be discharged from the gas outlet again.

The utility model second aspect provides a kind of compressor, and the compressor includes above-mentioned muffler.

The utility model also provides a kind of refrigeration equipment, and the refrigeration equipment includes above-mentioned compressor.

Through the above technical solutions, the cavity of shell to be divided into two anechoic chambers using partition --- left anechoic chamber and Right anechoic chamber, and the anechoic chamber Liang Ge is interconnected by the communicating pipe on partition, in the breathing process of compressor, anechoic chamber Good guiding function has been played with flow direction of the communicating pipe to refrigerant, the generation being vortexed when refrigerant flowing can be efficiently reduced, The flow resistance and the pressure loss for reducing refrigerant, effectively reduce compressor noise, guarantee the overall performance of compressor.Together When, communicating pipe and anechoic chamber's cooperation generate expansion when can flow a gas through communicating pipe, sound wave reflection generates transmitting loss, thus Realize noise elimination noise reduction.In addition, partition has the surface of arc, so that air-flow reduces collision effect when through the surface of arc, This also improves the erasure effect of muffler from another point of view.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the preferred embodiment of the muffler of the utility model；

Fig. 2 is the explosive view of the preferred embodiment of the muffler of the utility model；

Fig. 3 is the bottom view of the upper housing of the muffler of the utility model；

Fig. 4 is the cross-sectional view of the upper housing of the muffler of the utility model；

Fig. 5 is the top view of the lower case of the muffler of the utility model.

Fig. 6 is the cross-sectional view of the lower case of the muffler of the utility model；

Fig. 7 is the front view of the partition of the muffler of the utility model；

Fig. 8 is the top view of the partition of the muffler of the utility model.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

As depicted in figs. 1 and 2, the muffler of the utility model includes: the shell with cavity, and shell is provided with air inlet pipe 13 and escape pipe 14；And partition 30, partition 30 have the surface of arc, 30 short transverse of partition is vertically situated in shell And cavity is divided into left anechoic chamber 21 and right anechoic chamber 22, escape pipe 14 is connected to left anechoic chamber 21, air inlet pipe 13 and right noise reduction Room 22 is connected to；The communicating pipe 31 for being connected to left anechoic chamber 21 and right anechoic chamber 22 is provided on partition 30, so that gas is from air inlet pipe It first passes through and is discharged again from escape pipe 14 after 13 entrance cavitys communicating pipe 31.

The course of work of the muffler of the utility model is as follows: the air-flow containing refrigerant is disappeared by air inlet pipe 13 into the right side After tone chamber 22, stopped by partition 30, along the surface flow of the arc of partition 30 and is flowed into left anechoic chamber from communicating pipe 31 In 21, and then from escape pipe 14 be discharged.Through the above technical solutions, the cavity of shell is divided into two using partition 30 Anechoic chamber --- left anechoic chamber 21 and right anechoic chamber 22, and the anechoic chamber Liang Ge passes through 31 phase of the communicating pipe interconnection on partition 30 Logical, in the breathing process of compressor, anechoic chamber and communicating pipe 31 have played good guiding function to the flow direction of refrigerant, can have Effect ground reduces the generation being vortexed when refrigerant flowing, reduces the flow resistance and the pressure loss of refrigerant, effectively reduces pressure Contracting machine noise, guarantees the overall performance of compressor.Meanwhile communicating pipe 31 and anechoic chamber's cooperation can flow a gas through communicating pipe 31 When generate expansion, sound wave reflection generate transmitting loss, to realize noise elimination noise reduction.In addition, partition 30 has the surface of arc, such as Shown in Fig. 7 and Fig. 8, this makes air-flow reduce collision effect when through the surface of arc, this is also improved from another point of view disappears The erasure effect of sound device.

Under normal conditions, the volume fraction of left anechoic chamber 21 and right anechoic chamber 22 can be arbitrarily arranged, and can't interfere to make The flowing of the air-flow of cryogen, still, in order to make the flowing of air-flow that can generate less noise as much as possible, it is preferable that the right side disappears The ratio of the volume of tone chamber 22 and left anechoic chamber 21 is 1/5~1/2.

In order to more easily install and dismantle the muffler of the utility model, as seen in figures 3-6, it is preferable that shell Body includes all having open upper housing 11 and lower case 12, the opening of upper housing 11 and the open of lower case 12 be cooperatively connected with Cavity is formed in inside, escape pipe 14 is connected to upper housing 11, and air inlet pipe 13 is connected to lower case 12.

Meanwhile in order to enable partition 30 more easily to install in the housing, and improve 30 pairs of partition left anechoic chambers 21 Leakproofness between right anechoic chamber 22, it is preferable that as shown in figure 5, the inner bottom surface of lower case 12 is along the extension road of partition 30 Diameter is provided with the first mounting groove 121, and the bottom end of partition 30 is mounted in the first mounting groove 121.

Similarly, in order to can be improved partition 30 to the leakproofness between left anechoic chamber 21 and right anechoic chamber 22, it is preferable that As shown in figure 3, the inside top surface of upper housing 11 is provided with the second mounting groove 111, the top of partition 30 along the extension path of partition 30 End is mounted in the second mounting groove 111.

Usually in the operational process of compressor, the air-flow for entering shell from air inlet pipe 13 can also bring parts of lubricating oil into In the cavity of shell, in order to lubricating oil be excluded from cavity in time to prevent it from influencing erasure effect, it is preferable that under The bottom of shell 12 is provided with the oil leaking hole 40 for oil liquid to be discharged.

In order to improve the discharge effect of lubricating oil, it is preferable that the bottom of lower case 12 is set there are two oil leaking hole 40, and one leaks The setting of oilhole 40 is arranged in left anechoic chamber 21, another oil leaking hole 40 in right anechoic chamber 22.

When needing lubricating oil to be discharged by self gravity from oil leaking hole 40, in order to preferably guide lubricating oil to enter leakage In oilhole 40, it is preferable that the bottom of lower case 12 is provided with oil baffle, to guide oil liquid to be discharged from oil leaking hole 40.

On the other hand, in order to allow the flow to more swimmingly from escape pipe 14 exclude, it is preferable that one end of escape pipe 14 It stretches out shell and is equipped with gas outlet 141, the other end of escape pipe 14 is connected to left anechoic chamber 21, and the inner wall of escape pipe 14 has arc Shape structure 142, so that gas first passes through arcuate structure 142 and is discharged again from gas outlet 141 after being discharged from the first anechoic chamber.

The utility model second aspect provides a kind of compressor, and compressor includes above-mentioned muffler.It is upper by being provided with After stating muffler, compressor provided by the utility model improves refrigeration effect and noise reduction effect.

The utility model also provides a kind of refrigeration equipment, and refrigeration equipment includes above-mentioned compressor.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model, In order to avoid unnecessary repetition, no further explanation will be given to various combinations of possible ways for the utility model.But these simple changes Type and combination equally should be considered as content disclosed in the utility model, belong to the protection scope of the utility model.

Claims (10)

1. a kind of muffler, which is characterized in that the muffler includes:

Shell with cavity, the shell are provided with air inlet pipe (13) and escape pipe (14)；And

Partition (30), the partition (30) have the surface of arc, and partition (30) short transverse is vertically situated at described It is divided into left anechoic chamber (21) and right anechoic chamber (22), the escape pipe (14) and the left anechoic chamber in shell and by the cavity (21) it is connected to, the air inlet pipe (13) is connected to the right anechoic chamber (22)；The connection left side is provided on the partition (30) The communicating pipe (31) of anechoic chamber (21) and the right anechoic chamber (22), so that gas enters the cavity from the air inlet pipe (13) After first pass through the communicating pipe (31) again from the escape pipe (14) be discharged.

2. muffler according to claim 1, which is characterized in that the right anechoic chamber (22) and the left anechoic chamber (21) Volume ratio be 1/5~1/2.

3. muffler according to claim 1, which is characterized in that the shell includes all having open upper housing (11) With lower case (12), the opening of the upper housing (11) is cooperatively connected with the open of the lower case (12) to form institute in inside Cavity is stated, the escape pipe (14) is connected to the upper housing (11), and the air inlet pipe (13) is connected to the lower case (12)； The inner bottom surface of the lower case (12) is provided with the first mounting groove (121) along the extension path of the partition (30), it is described every The bottom end of plate (30) is mounted in first mounting groove (121).

4. muffler according to claim 3, which is characterized in that the inside top surface of the upper housing (11) is along the partition (30) extension path is provided with the second mounting groove (111), and the top of the partition (30) is mounted on second mounting groove (111) in.

5. muffler according to claim 3, which is characterized in that the bottom of the lower case (12) is provided with for will be oily The oil leaking hole (40) of liquid discharge.

6. muffler according to claim 5, which is characterized in that the bottom of the lower case (12) is set there are two the leakage Oilhole (40), oil leaking hole (40) setting exist in the left anechoic chamber (21), another described oil leaking hole (40) setting The right anechoic chamber (22).

7. muffler according to claim 5, which is characterized in that the bottom of the lower case (12) is provided with oil baffle, To guide oil liquid to be discharged from the oil leaking hole (40).

8. muffler according to claim 1, which is characterized in that the shell is stretched out simultaneously in one end of the escape pipe (14) Equipped with gas outlet (141), the other end of the escape pipe (14) is connected to the left anechoic chamber (21), the escape pipe (14) Inner wall has arcuate structure (142), so that gas first passes through the arcuate structure (142) after left anechoic chamber (21) discharge It is discharged again from the gas outlet (141).

9. a kind of compressor, which is characterized in that the compressor includes muffler described in any one of claim 1-8.

10. a kind of refrigeration equipment, which is characterized in that the refrigeration equipment includes compressor as claimed in claim 9.