CN218093442U

CN218093442U - Compressor and vehicle

Info

Publication number: CN218093442U
Application number: CN202221409915.4U
Authority: CN
Inventors: 马宇山; 赵宇晶悦; 鲜柳
Original assignee: Guangdong Welling Auto Parts Co Ltd; Anhui Welling Auto Parts Co Ltd
Current assignee: Guangdong Welling Auto Parts Co Ltd; Anhui Welling Auto Parts Co Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-12-20
Anticipated expiration: 2032-06-08

Abstract

The utility model provides a compressor and vehicle, the compressor includes: a housing; the rotating shaft is arranged in the shell; the compression portion is located in the casing, and the casing surrounds out the compression chamber with the compression portion, is equipped with the discharge hole on the compression chamber, and the compression portion includes: the cylinder is connected with the rotating shaft; the silencing part is connected with the rotating shaft and arranged on one side of the cylinder close to the discharge hole; the baffle is arranged on the sound eliminating part, at least one part of the baffle protrudes out of the sound eliminating part along the radial direction of the rotating shaft, and a gap is formed between the baffle and the shell. The utility model provides a compressor, including casing, pivot and the compression portion of setting in the casing, the compression portion includes cylinder, amortization portion and sets up the baffle in amortization portion. The baffle is arranged at the silencing part, at least one part of the baffle protrudes out of the silencing part along the radial direction of the rotating shaft, and a gap is reserved between the baffle and the shell, so that the compression cavity is separated by the baffle, the cavity resonance of the compression cavity is improved, and the airflow noise and the pulsation on the exhaust side are improved.

Description

Compressor and vehicle

Technical Field

The utility model relates to a compressor technical field particularly, relates to a compressor and vehicle.

Background

At present, a compressor is a core component of refrigeration equipment for an automobile, and vibration noise is generated when the compressor works. In the related art, as shown in fig. 1, the compressor includes a housing 1' and a compression part 2' disposed in the housing 1', a high-pressure refrigerant discharged from the compression part 2' of the compressor enters a high-pressure chamber and then directly leaves the compressor through a discharge hole 3', and when the compressor is operated, resonance of each component in a thermal management system on an automobile is easily excited by airflow noise and pressure pulsation generated by discharge of the refrigerant, which causes problems of noise and vibration of the automobile.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

To this end, a first aspect of the present invention provides a compressor.

The second aspect of the present invention also provides a vehicle.

In view of this, the first aspect of the present invention provides a compressor, including: a housing; the rotating shaft is arranged in the shell; the compression portion is located in the casing, and the casing surrounds out the compression chamber with the compression portion, is equipped with the discharge hole on the compression chamber, and the compression portion includes: the cylinder is connected with the rotating shaft; the silencing part is connected with the rotating shaft and is arranged on one side of the cylinder close to the discharge hole; the baffle is arranged on the sound eliminating part, at least one part of the baffle protrudes out of the sound eliminating part along the radial direction of the rotating shaft, and a gap is formed between the baffle and the shell.

The utility model provides a compressor, including casing, pivot and the compression portion of setting in the casing, the compression portion includes cylinder, amortization portion and sets up the baffle in amortization portion. The compression part is arranged in the shell and used for compressing sucked refrigerant, the compression part and the shell surround a compression cavity, the compression part can discharge the refrigerant into the compression cavity, and then the refrigerant flows out of the compression cavity through the discharge hole. The silencing part is set on one side of the cylinder near the exhaust hole to reduce the noise of the air flow. The baffle is arranged at the noise elimination part, at least one part of the baffle protrudes out of the noise elimination part along the radial direction of the rotating shaft, and a gap is reserved between the baffle and the shell, so that the compression cavity is separated by the baffle, the cavity resonance of the compression cavity is improved, and the airflow noise and the pulsation on the exhaust side are improved.

It can be understood that the compression cavity is a high-pressure cavity, when the compressor normally operates, gaseous refrigerant enters the low-pressure shell from the suction hole of the compressor and flows through the motor part and the bracket to enter the compression part to work, and high-pressure gas formed after the refrigerant passes through the compression part is discharged into the compression cavity enclosed by the high-pressure shell and leaves the compressor through the discharge hole.

According to the utility model provides a compressor can also have following additional technical characterstic:

in some possible designs, the sound deadening portion includes: the bearing is connected with the rotating shaft; the silencer passes through the bearing and is connected with the pivot, wherein, is equipped with the baffle between bearing and the silencer, and/or the lateral wall of bearing is equipped with the baffle.

In this design, the noise cancelling part includes bearing and muffler, and the bearing housing is established in the pivot, and the muffler passes through the bearing to be connected with the pivot, through the setting of muffler, can alleviate the noise when refrigerant flow direction exhaust hole.

Wherein, be provided with the baffle between bearing and the muffler, radial protrusion in pivot and muffler of baffle along the pivot, also along the radial of pivot, the baffle surpasss the external diameter scope of muffler and bearing promptly to separate the compression chamber through the baffle, make the compression chamber form two cavitys of intercommunication each other, and then improve the flowing noise and the pulsation of refrigerant.

Wherein, be provided with the baffle on the lateral wall of bearing, the baffle is from the lateral wall of bearing along the radial extension of pivot to along the radial of pivot, baffle protrusion in the external diameter of muffler, thereby separate the compression chamber through the baffle, make the compression chamber form two cavitys of mutual intercommunication, and then improve the flow noise and the pulsation of refrigerant.

It can be understood that the compressor comprises a main cylinder and an auxiliary cylinder, the main cylinder and the auxiliary cylinder are connected with the rotating shaft and distributed along the axial direction of the rotating shaft, an auxiliary bearing and an auxiliary silencer are arranged on one side, close to the exhaust hole, of the auxiliary cylinder, and a main bearing and a main silencer are arranged on one side, far away from the exhaust hole, of the main cylinder. The bearing in the silencing part is a secondary bearing, the silencer in the silencing part is a secondary silencer, and the cylinder in the compression part is a secondary cylinder.

In some possible designs, the bearing comprises a connecting section and an extending section which are connected, the connecting section is positioned on the peripheral side of the rotating shaft, the silencer is arranged on the peripheral side of the connecting section, the extending section extends from the outer side wall of the connecting section along the radial direction of the rotating shaft, and the connecting section is positioned between the silencer and the cylinder; under the condition that the outer side wall of the bearing is provided with the baffle, the baffle is arranged on the outer side wall of the extension section.

In this design, the bearing is including the linkage segment that is connected and extension section, the linkage segment is located the week side of pivot, be used for supporting the pivot, the extension section is from the lateral wall of linkage segment along the radial extension of pivot, the extension section is located between cylinder and the muffler, wherein, the baffle setting is on the lateral wall of extension section, baffle protrusion in the external diameter of muffler, thereby separate the compression chamber through the baffle, make the compression chamber form two cavitys that communicate each other, and then improve the mobile noise and the pulsation of refrigerant.

It is understood that the outer side wall of the extension section is also the outer side wall of the extension section in the radial direction of the rotating shaft.

In some possible designs, the wall of the baffle facing the silencer is flush with the wall of the extension facing the silencer in the axial direction of the rotating shaft.

In this design, under the condition that is provided with the baffle on the lateral wall of extension, the baffle is close to the muffler setting, and the baffle is towards the wall of muffler and extension orientation muffler looks parallel and level to the baffle separates the compression chamber, with the flow noise and the pulsation that alleviate the refrigerant.

In specific application, the baffle is of a thin-wall structure, so that the production cost is reduced, the flexibility of the baffle is increased, and the flowing noise and the pulsation of refrigerant airflow are effectively reduced. Further, the thickness of the baffle plate is greater than or equal to 0.2mm and less than or equal to 20mm along the axial direction of the rotating shaft.

In some possible designs, the wall surface of the baffle facing the cylinder is flush with the wall surface of the extension facing the cylinder in the axial direction of the rotating shaft.

In this design, under the condition that is provided with the baffle on the lateral wall of extension, the baffle is close to the cylinder setting, and the baffle is towards the wall of cylinder and the wall looks parallel and level of extension towards the cylinder to the baffle separates the compression chamber, in order to alleviate the flowing noise and the pulsation of refrigerant.

In some possible designs, the baffle is disposed in the middle of the extension in the axial direction of the rotating shaft.

In the design, under the condition that the extending section of the bearing is provided with the baffle, the baffle is positioned in the middle of the extending section along the axial direction of the rotating shaft, so that the compression cavity is separated by the baffle to reduce the flowing noise and the pulsation of the refrigerant.

In some possible designs, the cross-sectional shape of the baffle is the same in the radial direction of the axis of rotation.

In the design, the cross-sectional shapes of the baffles are the same along the radial direction of the rotating shaft, namely the baffles are of uniform cross-sectional structures, so that the baffles are convenient to produce and manufacture. Simultaneously, through setting up the baffle into uniform cross section structure, can also guarantee the noise reduction effect to the refrigerant air current.

In some possible designs, the baffle is of variable cross-section in the radial direction of the axis of rotation.

In this design, along the radial of pivot, the baffle is variable cross section structure, and the cross-sectional area of baffle that also is for changing to improve the cavity resonance of compression chamber, on the basis with compression chamber divided, can also improve the cushioning effect to the refrigerant, improve the air current noise and the pulsation of refrigerant.

In some possible designs, the outer side wall of the extension section extends in the radial direction of the rotating shaft to form a baffle.

In this design, the lateral wall of extension section radially outwards extends along the pivot and forms the baffle, has improved the joint strength between bearing and the baffle, and then has guaranteed the effect that the baffle makes an uproar falls to the refrigerant air current.

In specific application, the bearing and the baffle are of an integrated structure, and further, the bearing and the baffle are integrally formed.

It should be noted that the baffle surrounds on the week side of bearing, and the baffle is on the lateral wall of bearing is surrounded along the circumference of pivot promptly to guarantee the separation effect to the compression chamber, and then promote the improvement effect to the air current noise.

In some possible designs, the outer side wall of the baffle is arc-shaped, the diameter of the part of the inner wall surface of the shell corresponding to the bearing is D1, the diameter of the outer side wall of the baffle is D2, and the difference between D1 and D2 is greater than or equal to 0.5mm and less than or equal to 15mm.

In the design, under the condition that the baffle is arranged on the outer side wall of the bearing, the outer side wall of the baffle is arc-shaped, wherein the diameter of the part of the shell corresponding to the bearing is D1, the diameter of the outer side wall of the baffle is D2, and the size of D1 is larger than that of D2, so that the refrigerant can flow out of the exhaust hole from the gap between the shell and the bearing, but the size difference between D1 and D2 is too large, the noise reduction effect on the flow of the refrigerant can be reduced, therefore, the difference between D1 and D2 is set to be larger than or equal to 0.5mm and smaller than or equal to 15mm, namely, D1-D2 is larger than or equal to 0.5mm and smaller than or equal to 15mm, the refrigerant can pass through the gap flow direction exhaust hole between the baffle and the shell, and the improvement effect of the baffle on airflow noise and pulsation is ensured.

It will be understood that D1 is the largest of the dimensions of the corresponding part of the housing and bearing, and D2 is the largest of the dimensions of the diameter of the outer side wall of the baffle.

In some possible designs, where a baffle is provided between the bearing and the muffler, the number of baffles is one.

In the design, under the condition that the baffle is arranged between the bearing and the silencer, the number of the baffle is one, so that the using amount of the baffle is reduced, and the production cost is reduced.

In some possible designs, in the case where a baffle is provided between the bearing and the muffler, the number of baffles is plural, and the plural baffles are arranged in a stacked manner in the axial direction of the rotating shaft.

In this design, the quantity of baffle is a plurality of, and a plurality of baffles have improved the intensity of baffle along the axial range upon range of setting of pivot, and then has guaranteed the baffle and to the separation effect in compression chamber, produces the noise when avoiding the refrigerant to flow through the baffle.

In some possible designs, at least a part of the outer side wall of the baffle is in a circular arc shape, the diameter of the part, corresponding to the baffle, of the inner wall surface of the shell is D3, the diameter of the outer side wall of the baffle is D4, the diameter of the outer side wall of the bearing is D5, the difference between D4 and D5 is greater than or equal to 1mm, and the difference between D3 and D4 is greater than or equal to 1mm.

In the design, under the condition that the baffle is arranged between the bearing and the silencer, the diameter of the inner wall surface of the shell corresponding to the baffle is D3, the diameter of the outer side wall of the baffle is D4, the diameter of the outer side wall of the bearing is D5, the difference between D4 and D5 is larger than or equal to 1mm, the difference between D3 and D4 is larger than or equal to 1mm, namely D5+1mm is larger than or equal to D4 and is smaller than or equal to D3-1mm, so that the gap between the baffle and the shell is sufficient for the refrigerant to flow through, the diameter of the baffle is larger than the diameter of the bearing, and the noise reduction effect when the refrigerant flows is ensured.

In some possible designs, the baffle comprises a metal baffle.

In this design, the baffle includes metal baffle, has improved the intensity of baffle, and then guarantees the separation effect to the compression chamber, improves refrigerant flow noise and pulsation.

In some possible designs, the baffle comprises a metal substrate with a rubber or plastic coating on both sides.

In this design, the baffle includes metal substrate, and is provided with rubber coating or plastic coating in metal substrate's both sides, lightens the whole weight of baffle, and under the condition that the baffle set up between muffler and bearing, the baffle can also form sealedly with the muffler.

In some possible designs, the bottom of the baffle is provided with an oil return structure.

In this design, the bottom of baffle is provided with oil return structure, has increased the intercommunication area of baffle both sides to guarantee the oil return effect of compression portion, promote the working property of compressor.

In concrete application, the oil return structure sets up in the bottom of compressor direction of gravity, and fluid can gather in the bottom of casing under the effect of gravity, sets up the oil return structure in the bottom of compressor direction of gravity is followed to the baffle, can guarantee the oil return effect.

In some possible designs, the oil return structure includes a trim structure.

In this design, the oil return structure is for setting up the side cut structure on the baffle, through set up the side cut structure in the bottom of baffle, can increase the intercommunication area of baffle both sides, and then guarantees the oil return effect.

In some possible designs, the oil return structure includes an oil return hole that communicates with the compression chamber.

In this design, oil return structure includes the oil gallery, sets up the oil gallery in the bottom of baffle for fluid can flow through the oil gallery, and then guarantees the compressor oil return.

In some possible designs, the baffle is provided with a plurality of through holes which are distributed along the circumferential direction of the baffle.

In this design, be provided with a plurality of through-holes on the baffle, through the setting of through-hole, can adjust the area of intercommunication in baffle both sides space, and then promote the flux of refrigerant, guarantee the discharge amount of refrigerant, guarantee the refrigeration effect of compressor. The through holes are distributed along the circumferential direction of the baffle, the circulation of the refrigerant can be adjusted along the circumferential direction of the baffle, so that the refrigerant circulation is more uniform, and the flowing noise and the pulsation of the refrigerant are reduced.

In particular applications, compressors are used in refrigeration systems.

In some possible designs, the housing includes: the motor part is arranged in the first shell and connected with the rotating shaft; the compression part is arranged in the second shell; the bracket is clamped between the first shell and the second shell; and the pressure borne by the first shell is less than that borne by the second shell.

In the design, the shell comprises a first shell, a second shell and a support arranged between the first shell and the second shell, the motor part is arranged in the first shell, and the compression part is arranged in the second shell, wherein the pressure borne by the first shell is smaller than the pressure borne by the second shell, namely the first shell is a low-pressure shell, the second shell is a high-pressure shell, and the pressure of a refrigerant in the first shell is smaller than the pressure of a refrigerant in the second shell. Specifically, the first shell is provided with a suction hole, when the compressor normally operates, gaseous refrigerant enters an inner cavity of the low-pressure shell from the suction hole of the compressor and flows through the motor part and the bracket to enter the compression part to work, and high-pressure gas formed after the refrigerant passes through the compression part is discharged into a compression cavity enclosed by the high-pressure shell and leaves the compressor through a discharge hole.

According to the utility model discloses a second aspect still provides a vehicle, include: the compressor provided by any one of the above technical solutions.

The utility model discloses the vehicle that the second aspect provided, because of the compressor that proposes including above-mentioned arbitrary technical scheme, consequently have all beneficial effects of compressor.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view showing a structure of a compressor in the related art;

wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:

1' shell, 2' compression part and 3' vent hole.

Fig. 2 shows one of the schematic structural views of a compressor according to an embodiment of the present invention;

fig. 3 shows a second schematic structural view of a compressor according to an embodiment of the present invention;

FIG. 4 illustratesbase:Sub>A cross-sectional view A-A of the compressor shown in FIG. 3;

fig. 5 shows a third schematic structural diagram of a compressor according to an embodiment of the present invention;

FIG. 6 illustrates a cross-sectional view taken along line B-B of the compressor shown in FIG. 5;

fig. 7 shows a fourth schematic structural diagram of a compressor according to an embodiment of the present invention;

FIG. 8 illustrates a cross-sectional view taken along line C-C of the compressor shown in FIG. 3;

fig. 9 shows a fifth structural schematic diagram of a compressor according to an embodiment of the present invention;

fig. 10 shows a sixth schematic view of a compressor according to an embodiment of the present invention;

FIG. 11 illustrates a cross-sectional view taken along line D-D of the compressor shown in FIG. 10;

fig. 12 shows a seventh schematic structural view of a compressor according to an embodiment of the present invention;

FIG. 13 illustrates a cross-sectional view of the compressor shown in FIG. 12 taken along line E-E;

fig. 14 shows an eighth schematic structural view of a compressor according to an embodiment of the present invention;

FIG. 15 shows a sectional view taken along line F-F of the compressor shown in FIG. 14;

fig. 16 shows a ninth schematic structural view of a compressor according to an embodiment of the present invention;

FIG. 17 shows a sectional view taken along line G-G of the compressor of FIG. 16;

fig. 18 shows ten structural schematic diagrams of a compressor according to an embodiment of the present invention;

fig. 19 shows a sectional view taken along H-H of the compressor shown in fig. 18.

Wherein, the correspondence between the reference numbers and the part names in fig. 2 to 19 is:

1 shell, 10 compression chambers, 12 discharge holes, 14 low-pressure shell, 16 high-pressure shell, 18 brackets, 2 rotating shafts, 3 compression parts, 32 cylinders, 33 silencing parts, 330 bearings, 3302 connecting sections, 3304 extending sections, 332 silencers, 34 baffles, 340 oil return structures, 342 through holes, 4 motor parts, 5 middle baffles, 6 main cylinders and 7 main bearings.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. 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.

A compressor and a vehicle proposed according to some embodiments of the present invention are described below with reference to fig. 2 to 19.

As shown in fig. 2 to 8, according to a first embodiment of the present invention, the present invention provides a compressor, including: a housing 1, and a rotating shaft 2 and a compressing part 3 provided in the housing 1.

Specifically, the compression portion 3 includes a cylinder 32, a sound-deadening portion 33, and a baffle 34 provided to the sound-deadening portion 33. The shell 1 and the compression part 3 surround a compression cavity 10, a discharge hole 12 is arranged on the compression cavity 10, and the cylinder 32 is connected with the rotating shaft 2; the silencing part 33 is connected with the rotating shaft 2 and is arranged on one side of the cylinder 32 close to the discharge hole 12; at least a part of the baffle 34 protrudes from the sound-deadening portion 33 in the radial direction of the rotary shaft 2, and a gap is provided between the baffle 34 and the housing 1. Wherein, the silencer 33 includes: a bearing 330 and a silencer 332, wherein the bearing 330 is connected with the rotating shaft 2; the silencer 332 is connected to the rotating shaft 2 through the bearing 330, and the baffle 34 is provided between the bearing 330 and the silencer 332.

The utility model provides a compressor, including casing 1, setting pivot 2 and the compression portion 3 in casing 1, compression portion 3 includes cylinder 32, noise elimination portion 33 and sets up the baffle 34 at noise elimination portion 33. The compression part 3 is provided in the casing 1 to compress a sucked refrigerant, the compression part 3 and the casing 1 enclose a compression chamber 10, the compression part 3 can discharge the refrigerant into the compression chamber 10, and the refrigerant flows out of the compression chamber 10 through the discharge hole 12. The sound deadening portion 33 is provided on the side of the cylinder 32 near the discharge hole 12 for reducing noise through the air flow. The silencing part 33 comprises a bearing 330 and a silencer 332, the bearing 330 is sleeved on the rotating shaft 2, the silencer 332 is connected with the rotating shaft 2 through the bearing 330, and the noise generated when the refrigerant flows to the exhaust hole can be reduced through the arrangement of the silencer 332.

The baffle 34 is disposed between the bearing 330 and the silencer 332, and the baffle 34 protrudes from the rotating shaft 2 and the silencer 332 along the radial direction of the rotating shaft 2, that is, along the radial direction of the rotating shaft 2, the baffle 34 exceeds the outer diameter range of the silencer 332 and the bearing 330, so that the compression chamber 10 is separated by the baffle 34, and the compression chamber 10 forms two cavities that are communicated with each other, thereby improving the flow noise and pulsation of the refrigerant.

It will be understood that the compression chamber 10 is a high pressure chamber, when the compressor is in normal operation, the gaseous refrigerant enters the low pressure housing 14 from the suction hole of the compressor, and flows through the motor portion 4 and the bracket 18 to enter the compression portion 3 for operation, and the high pressure gas formed by the refrigerant after passing through the compression portion 3 is discharged into the compression chamber 10 enclosed by the high pressure housing 16, and leaves the compressor through the discharge hole 12.

In a specific application, as shown in fig. 2, the compressor includes a main cylinder 6 and a secondary cylinder, the main cylinder 6 and the secondary cylinder are connected to the rotating shaft 2 and distributed along the axial direction of the rotating shaft 2, a secondary bearing 330 and a secondary muffler are disposed on one side of the secondary cylinder close to the exhaust hole, and a main bearing 7 and a main muffler are disposed on one side of the main cylinder 6 away from the exhaust hole. The bearing 330 in the sound deadening portion 33 is a sub-bearing 330, the muffler 332 in the sound deadening portion 33 is a sub-muffler, and the cylinder 32 in the compression portion 3 is a sub-cylinder.

As shown in fig. 9 to 19, according to a second embodiment of the present invention, the present invention provides a compressor, including: a housing 1, and a rotating shaft 2 and a compression part 3 provided in the housing 1.

Specifically, the compression portion 3 includes a cylinder 32, a sound-deadening portion 33, and a baffle 34 provided to the sound-deadening portion 33. The shell 1 and the compression part 3 surround a compression cavity 10, a discharge hole 12 is arranged on the compression cavity 10, and the cylinder 32 is connected with the rotating shaft 2; the silencing part 33 is connected with the rotating shaft 2 and is arranged on one side of the cylinder 32 close to the discharge hole 12; at least a part of the baffle 34 protrudes from the sound-deadening portion 33 in the radial direction of the rotary shaft 2, and a gap is provided between the baffle 34 and the housing 1. Wherein, the silencer 33 includes: a bearing 330 and a silencer 332, wherein the bearing 330 is connected with the rotating shaft 2; the silencer 332 is connected with the rotating shaft 2 through a bearing 330, and a baffle 34 is arranged on the outer side wall of the bearing 330.

The utility model provides a compressor, including casing 1, setting pivot 2 and the compression portion 3 in casing 1, compression portion 3 includes cylinder 32, noise elimination portion 33 and sets up the baffle 34 at noise elimination portion 33. The compression part 3 is disposed in the casing 1 for compressing a sucked refrigerant, the compression part 3 and the casing 1 enclose a compression chamber 10, the compression part 3 can discharge the refrigerant into the compression chamber 10, and the refrigerant flows out of the compression chamber 10 through the discharge hole 12. The sound deadening portion 33 is provided on the side of the cylinder 32 near the discharge hole 12 for reducing noise of the passing air flow. The silencing part 33 comprises a bearing 330 and a silencer 332, the bearing 330 is sleeved on the rotating shaft 2, the silencer 332 is connected with the rotating shaft 2 through the bearing 330, and the noise generated when the refrigerant flows to the exhaust hole can be reduced through the arrangement of the silencer 332.

Wherein, be provided with baffle 34 on the lateral wall of bearing 330, baffle 34 is from the lateral wall of bearing 330 along the radial extension of pivot 2 to along the radial of pivot 2, baffle 34 protrusion in muffler 332's external diameter to separate compression chamber 10 through baffle 34, make compression chamber 10 form two cavitys of intercommunication each other, and then improve the flowing noise and the pulsation of refrigerant.

It can be understood that the compression chamber 10 is a high pressure chamber, when the compressor normally operates, gaseous refrigerant enters the low pressure housing 14 from the suction hole of the compressor, and flows through the motor part 4 and the bracket 18 to enter the compression part 3 to work, and high pressure gas formed after the refrigerant passes through the compression part 3 is discharged into the compression chamber 10 enclosed by the high pressure housing 16, and leaves the compressor through the discharge hole 12.

In specific application, the compressor comprises a main cylinder 6 and an auxiliary cylinder, wherein the main cylinder 6 and the auxiliary cylinder are connected with the rotating shaft 2 and distributed along the axis direction of the rotating shaft 2, an auxiliary bearing 330 and an auxiliary silencer are arranged on one side, close to the exhaust hole, of the auxiliary cylinder, and a main bearing 7 and a main silencer are arranged on one side, far away from the exhaust hole, of the main cylinder 6. The bearing 330 in the sound deadening portion 33 is a sub-bearing 330, the muffler 332 in the sound deadening portion 33 is a sub-muffler, and the cylinder 32 in the compression portion 3 is a sub-cylinder.

According to the third embodiment of the present invention, on the basis of the second embodiment, further: the bearing 330 includes a connecting section 3302 and an extending section 3304 connected, the connecting section 3302 is located on the periphery of the rotating shaft 2, the silencer 332 is located on the periphery of the connecting section 3302, the extending section 3304 extends from the outer side wall of the connecting section 3302 along the radial direction of the rotating shaft 2, the connecting section 3302 is located between the silencer 332 and the cylinder 32; in the case where the baffle 34 is provided on the outer side wall of the bearing 330, the baffle 34 is provided on the outer side wall of the extension 3304.

In this design, the bearing 330 includes a connecting section 3302 and an extending section 3304 connected, the connecting section 3302 is located on the peripheral side of the rotating shaft 2 and is used for supporting the rotating shaft 2, the extending section 3304 extends from the outer side wall of the connecting section 3302 along the radial direction of the rotating shaft 2, the extending section 3304 is located between the cylinder 32 and the silencer 332, wherein, the baffle 34 is arranged on the outer side wall of the extending section 3304, the baffle 34 protrudes out of the outer diameter of the silencer 332, so as to separate the compression cavity 10 by the baffle 34, so that the compression cavity 10 forms two cavities communicated with each other, thereby improving the flow noise and pulsation of the refrigerant.

It is understood that the outer side wall of the extension 3304, that is, the outer side wall of the extension 3304 in the radial direction of the rotating shaft 2.

As shown in fig. 9, 10 and 11, according to a fourth embodiment of the present invention, on the basis of the third embodiment, further: in the axial direction of the rotating shaft 2, the wall surface of the baffle 34 facing the muffler 332 is flush with the wall surface of the extension 3304 facing the muffler 332.

In this design, in the case where the baffle 34 is provided on the outer side wall of the extension 3304, the baffle 34 is provided close to the muffler 332, and the wall surface of the baffle 34 facing the muffler 332 is flush with the wall surface of the extension 3304 facing the muffler 332, so that the baffle 34 partitions the compression chamber 10 to reduce the flow noise and pulsation of the refrigerant.

In specific application, the baffle 34 is a thin-walled structure, so that the production cost is reduced, and the flexibility of the baffle 34 is increased, thereby effectively reducing the flowing noise and pulsation of the refrigerant airflow. Further, the thickness of the baffle 34 in the axial direction of the rotating shaft 2 is greater than or equal to 0.2mm and less than or equal to 20mm.

As shown in fig. 14 and 15, according to a fifth embodiment of the present invention, on the basis of the third embodiment, further: the wall surface of the baffle 34 facing the cylinder 32 is flush with the wall surface of the extension 3304 facing the cylinder 32 in the axial direction of the rotating shaft 2.

In this design, in the case where the baffle 34 is provided on the outer wall of the extension 3304, the baffle 34 is provided close to the cylinder 32, and the wall surface of the baffle 34 facing the cylinder 32 is flush with the wall surface of the extension 3304 facing the cylinder 32, so that the baffle 34 partitions the compression chamber 10 to reduce the flow noise and pulsation of the refrigerant.

As shown in fig. 12 and 13, according to a sixth embodiment of the present invention, on the basis of the third embodiment, further: the baffle 34 is provided in the middle of the extension 3304 in the axial direction of the shaft 2.

In this design, in the case where the baffle 34 is provided on the outer side wall of the extension 3304, the baffle 34 is located at the middle of the extension 3304 in the axial direction of the rotary shaft 2, so that the baffle 34 partitions the compression chamber 10 to reduce the flow noise and pulsation of the refrigerant.

In specific application, the baffle 34 is of a thin-wall structure, so that the production cost is reduced, the flexibility of the baffle 34 is increased, and the flowing noise and pulsation of refrigerant airflow are effectively reduced. Further, the thickness of the baffle 34 in the axial direction of the rotating shaft 2 is greater than or equal to 0.2mm and less than or equal to 20mm.

As shown in fig. 16 and 17, according to a seventh embodiment of the present invention, on the basis of the second embodiment, further: the cross-sectional shape of the baffle 34 is the same in the radial direction of the rotating shaft 2.

In this design, the cross-sectional shape of the baffle 34 is the same along the radial direction of the rotating shaft 2, that is, the baffle 34 has a uniform cross-sectional structure, thereby facilitating the production and manufacture of the baffle 34. Meanwhile, the baffle 34 is set to be of a uniform cross section structure, and the noise reduction effect on the refrigerant airflow can be further ensured.

As shown in fig. 18 and 19, according to an eighth embodiment of the present invention, on the basis of the second embodiment, further: the baffle 34 has a variable cross-section in the radial direction of the rotating shaft 2.

In this design, along the radial of pivot 2, baffle 34 is variable cross section structure, and the cross-sectional area of baffle 34 is for changing promptly to improve the cavity resonance of compression chamber 10, on the basis with compression chamber 10 partitioned, can also improve the cushioning effect to the refrigerant, and then improve the air current noise and the pulsation of refrigerant.

As shown in fig. 9 to 19, according to a ninth embodiment of the present invention, on the basis of the third embodiment, further: the outer side wall of the extension 3304 extends in the radial direction of the rotating shaft 2 to form a baffle 34.

In this design, the outer side wall of the extension 3304 extends outward along the radial direction of the rotating shaft 2 to form the baffle 34, so that the connection strength between the bearing 330 and the baffle 34 is improved, and the noise reduction effect of the baffle 34 on the refrigerant airflow is further ensured.

In a specific application, the bearing 330 and the baffle 34 are an integral structure, and further, the bearing 330 and the baffle 34 are integrally formed.

It should be noted that the baffle 34 surrounds the circumference of the bearing 330, that is, the baffle 34 surrounds the outer sidewall of the bearing 330 along the circumference of the rotating shaft 2, so as to ensure the separation effect on the compression chamber 10, and further improve the improvement effect on the airflow noise.

As shown in fig. 11, 13, 15, 17 and 19, according to a tenth embodiment of the present invention, on the basis of the second embodiment, further: the outer side wall of the baffle 34 is arc-shaped, the diameter of the part of the inner wall surface of the shell 1 corresponding to the bearing 330 is D1, the diameter of the outer side wall of the baffle 34 is D2, and the difference between D1 and D2 is greater than or equal to 0.5mm and less than or equal to 15mm.

In this design, under the condition that the baffle 34 is disposed on the outer sidewall of the bearing 330, the outer sidewall of the baffle 34 is arc-shaped, wherein the diameter of the portion of the housing 1 corresponding to the bearing 330 is D1, the diameter of the outer sidewall of the baffle 34 is D2, and the dimension of D1 is greater than the dimension of D2, so as to ensure that the refrigerant can flow out of the exhaust hole through the gap between the housing 1 and the bearing 330, but the dimension difference between D1 and D2 is too large, so that the noise reduction effect on the refrigerant flow is reduced, therefore, the difference between D1 and D2 is set to be greater than or equal to 0.5mm, and less than or equal to 15mm, that is, D1-D2 is greater than or equal to 0.5mm or less than or equal to 15mm, which not only ensures that the refrigerant can flow to the exhaust hole through the gap between the baffle 34 and the housing 1, but also ensures the improvement effect of the baffle 34 on the airflow noise and pulsation.

In a specific application, the difference between D1 and D2 is set to any value of 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm and 14 mm.

It is understood that D1 is the largest of the dimensions of the corresponding portion of the housing 1 to the bearing 330, and D2 is the largest of the dimensions of the diameter of the outer side wall of the baffle 34.

As shown in fig. 2 and 3, according to the eleventh embodiment of the present invention, on the basis of the first embodiment, further: in the case where the baffle 34 is provided between the bearing 330 and the muffler 332, the number of the baffles 34 is one.

In this design, in the case where the baffle 34 is provided between the bearing 330 and the muffler 332, the number of the baffles 34 is one, thereby reducing the amount of the baffles 34 and reducing the production cost.

According to a twelfth embodiment of the present invention, on the basis of the first embodiment, further: in the case where the baffle 34 is provided between the bearing 330 and the muffler 332, the number of baffles 34 is plural, and the plural baffles 34 are stacked in the axial direction of the rotating shaft 2.

In this design, the number of baffle 34 is a plurality of, and a plurality of baffles 34 set up along the axial range upon range of pivot 2, has improved the intensity of baffle 34, and then has guaranteed the separation effect of baffle 34 to compression chamber 10, produces the noise when avoiding the refrigerant to flow through baffle 34.

As shown in fig. 4, according to a thirteenth embodiment of the present invention, on the basis of the first embodiment, further: at least a part of the outer side wall of the baffle 34 is arc-shaped, the diameter of the inner wall surface of the shell 1 corresponding to the part of the baffle 34 is D3, the diameter of the outer side wall of the baffle 34 is D4, the diameter of the outer side wall of the bearing 330 is D5, the difference between D4 and D5 is greater than or equal to 1mm, and the difference between D3 and D4 is greater than or equal to 1mm.

In the design, when the baffle 34 is disposed between the bearing 330 and the muffler 332, the diameter of the inner wall surface of the housing 1 corresponding to the baffle 34 is D3, the diameter of the outer side wall of the baffle 34 is D4, the diameter of the outer side wall of the bearing 330 is D5, the difference between D4 and D5 is greater than or equal to 1mm, and the difference between D3 and D4 is greater than or equal to 1mm, that is, D5+1mm is greater than or equal to D4 and is less than or equal to D3-1mm, so that the gap between the baffle 34 and the housing 1 is sufficient for the refrigerant to flow through, and the diameter of the baffle 34 is greater than the diameter of the bearing 330, thereby ensuring the noise reduction effect when the refrigerant flows.

According to a fourteenth embodiment of the present invention, on the basis of the first embodiment, further: the baffle 34 comprises a metal baffle.

In this design, the baffle 34 includes a metal baffle, which improves the strength of the baffle 34, thereby ensuring the separation effect of the compression chamber 10 and improving the flow noise and pulsation of the refrigerant.

According to a fifteenth embodiment of the present invention, on the basis of the first embodiment, further: the baffle 34 comprises a metal substrate with a rubber or plastic coating on both sides.

In this design, baffle 34 comprises a metal substrate with a rubber or plastic coating disposed on both sides of the metal substrate to reduce the overall weight of baffle 34, and baffle 34 can also form a seal with muffler 332 with baffle 34 disposed between muffler 332 and bearing 330.

As shown in fig. 3 to 8, according to a sixteenth embodiment of the present invention, on the basis of any one of the above embodiments, further: the bottom of the baffle 34 is provided with an oil return structure 340.

In this design, the bottom of baffle 34 is provided with oil return structure 340, has increased the intercommunication area of baffle 34 both sides to guarantee the oil return effect of compression portion 3, promote the working property of compressor.

In specific application, the oil return structure 340 is arranged at the bottom of the compressor in the gravity direction, oil can be gathered at the bottom of the shell 1 under the action of gravity, and the oil return structure 340 is arranged at the bottom of the baffle 34 in the gravity direction of the compressor, so that the oil return effect can be ensured.

As shown in fig. 4, according to the seventeenth embodiment of the present invention, on the basis of the sixteenth embodiment, further: the oil return structure 340 includes a trim structure.

In this design, the oil return structure 340 is the trimming structure that sets up on baffle 34, sets up the trimming structure through the bottom at baffle 34, can increase the area of intercommunication of baffle 34 both sides, and then guarantees the oil return effect.

As shown in fig. 5 and fig. 6, according to the eighteenth embodiment of the present invention, on the basis of the sixteenth embodiment, further: the oil return structure 340 includes an oil return hole, which communicates with the compression chamber 10.

In this design, the oil return structure 340 includes an oil return hole, and the oil return hole is disposed at the bottom of the baffle 34, so that oil can flow through the oil return hole, and the oil return of the compressor is ensured.

As shown in fig. 7 and 8, according to a nineteenth embodiment of the present invention, on the basis of any one of the above embodiments, further: the baffle 34 is provided with a plurality of through holes 342, and the plurality of through holes 342 are distributed along the circumferential direction of the baffle 34.

In this design, be provided with a plurality of through-holes 342 on the baffle 34, through the setting of through-hole 342, can adjust the area of intercommunication in baffle 34 both sides space, and then promote the circulation of refrigerant, guarantee the discharge amount of refrigerant, guarantee the refrigeration effect of compressor. The through holes 342 are distributed along the circumferential direction of the baffle 34, and can adjust the flux of the refrigerant along the circumferential direction of the baffle 34, so that the refrigerant is more uniformly circulated, and the flowing noise and the pulsation of the refrigerant are reduced.

In particular applications, compressors are used in refrigeration systems.

In some possible designs, the housing 1 comprises: the motor part 4 is arranged in the first shell, and the motor part 4 is connected with the rotating shaft 2; a second housing in which the compression part 3 is provided; a bracket 18 interposed between the first and second housings; and the pressure born by the first shell is smaller than the pressure born by the second shell.

In this design, the housing 1 includes a first housing, a second housing, and a bracket disposed between the first housing and the second housing, the motor portion 4 is disposed in the first housing, and the compression portion 3 is disposed in the second housing, where pressure borne by the first housing is smaller than pressure borne by the second housing, that is, the first housing is a low-pressure housing 14, the second housing is a high-pressure housing 16, and pressure of refrigerant in the first housing is smaller than pressure of refrigerant in the second housing. Specifically, the first casing is provided with a suction hole, when the compressor normally operates, gaseous refrigerant enters the inner cavity of the low-pressure casing 14 from the suction hole of the compressor and flows through the motor part 4 and the bracket 18 to enter the compression part for operation, and high-pressure gas formed after the refrigerant passes through the compression part 3 is discharged into a compression cavity 10 enclosed by a high-pressure casing 16 and leaves the compressor through a discharge hole 12.

According to the utility model discloses a twentieth embodiment still provides a vehicle, include: a compressor as set forth in any of the above embodiments.

The utility model provides a vehicle because of the compressor that provides including any one of the above-mentioned embodiments, consequently has the whole beneficial effects of compressor.

As shown in fig. 2 to 8, according to a twenty-first embodiment of the present application, there is provided a motor-driven compressor for a vehicle air conditioner, including: a compression part 3, a shell 1 and a baffle 34.

The compression part 3 is arranged inside the shell 1 of the compressor and compresses the sucked refrigerant; the housing 1 includes a high pressure housing 16 and a low pressure housing 14. The high-pressure casing 16 surrounds the compression portion 3, has a high-pressure chamber for discharging high-pressure refrigerant from the compression portion 3, and has a discharge hole 12 for discharging high-pressure refrigerant.

The compression part 3 is a rotor type compression structure including: a main cylinder 6 and a secondary cylinder, a middle baffle 5, a main bearing 7 and a secondary bearing 330, a secondary muffler and a baffle 34.

The middle baffle 5 is arranged between the main cylinder 6 and the auxiliary cylinder, the main bearing 7 and the auxiliary bearing 330 are respectively arranged on the main cylinder 6 and the auxiliary cylinder, and the auxiliary silencer is arranged outside the auxiliary bearing 330 and is used for reducing the noise of the air flow exhausted through the side of the auxiliary bearing 330. The baffle 34 is disposed between the secondary bearing 330 and the secondary muffler.

Wherein, the outer diameter direction of the baffle 34 exceeds the outer diameter range of the secondary silencer and the secondary bearing 330, thereby forming the baffle 34 structure which can not completely separate the high pressure cavity.

Further, the baffle 34 should be sized such that: d5+1mm is not less than D4 and not more than D3-1mm.

Wherein D3 is the circumferential maximum inner diameter of the cross section of the high-pressure casing 16 corresponding to the baffle 34, D4 is the circumferential maximum outer diameter of the baffle 34, and D5 is the circumferential maximum outer diameter of the secondary bearing 330.

Further, the baffle 34 is provided with an oil return structure 340 at a bottom position in the gravity direction.

The oil return structure 340 at the bottom of the baffle 34 is a trimming notch structure to increase the communication sectional area of the space at both sides of the baffle 34.

Alternatively, the oil return structure 340 at the bottom of the baffle 34 is an oil return hole to increase the communication sectional area of the space at both sides of the baffle.

Further, a plurality of through holes 342 are formed on the baffle 34 to adjust the communication sectional area of the space at both sides of the baffle.

Further, the baffle 34 may be 1 single, or composed of multiple overlapping.

Further, the material of the baffle 34 is metal. Or the baffle 34 is made of metal base material, and both sides of the baffle are compounded with rubber coatings or plastic coatings.

The baffle 34 is suitable for use in an electric compressor using R134a (hydrofluorocarbon refrigerant), R744 (carbon dioxide refrigerant), R290 (propane refrigerant), and R1234yf (tetrafluoropropene refrigerant).

According to the electric compressor of the present embodiment, the electric compressor has a high pressure housing 16, a low pressure housing 14, a compression portion 3, a motor portion 4, a bracket 18, an electric control portion, and a cover plate. When the compressor normally operates, the gaseous refrigerant enters the inner cavity of the low-pressure shell 14 from the suction hole of the compressor and flows through the motor part 4 and the bracket 18 to enter the compression part 3 for operation, and high-pressure gas formed after the refrigerant passes through the compression part 3 is discharged into a compression cavity 10 enclosed by a high-pressure shell 16 and leaves the compressor through the discharge hole 12. The compression unit 3 has a rotor type compression structure, and the compression unit 3 is provided with a baffle 34. The baffle 34 that this application provided sets up the gasket that the external diameter is great relatively between the vice muffler of compression part 3 and auxiliary bearing 330, and baffle 34 external diameter direction surpasss vice muffler and auxiliary bearing 330 external diameter scope to the shaping has the baffle structure that carries out the space incomplete partition to the high-pressure chamber, improves the air current noise and the pulsation in the compressor discharge side high-pressure chamber.

As shown in fig. 9 to 19, according to a twenty-second embodiment of the present application, there is provided a motor-driven compressor for an automobile air conditioner, including: a compression part 3, a shell 1 and a baffle 34.

The compression part 3 is arranged inside the shell 1 of the compressor and compresses the sucked refrigerant; the housing 1 includes a high pressure housing 16 and a low pressure housing 14. The high-pressure casing 16 surrounds the compression portion 3, has a high-pressure chamber for discharging the high-pressure refrigerant from the compression portion 3, and has a discharge hole 12 for discharging the high-pressure refrigerant.

The middle baffle 5 is arranged between the main cylinder 6 and the auxiliary cylinder, the main bearing 7 and the auxiliary bearing 330 are respectively arranged on the main cylinder 6 and the auxiliary cylinder, and the auxiliary silencer is arranged outside the auxiliary bearing 330 and is used for reducing the noise of the air flow exhausted through the side of the auxiliary bearing 330. The baffle 34 with relatively large outer diameter is arranged on the outer contour of the auxiliary bearing 330, and the outer diameter direction of the baffle 34 exceeds the outer diameter range of the auxiliary silencer and the auxiliary bearing 330, so that a partition plate structure which can not completely separate the compression chamber 10 is formed.

Further, the secondary bearing 330 should be dimensioned such that:

D1-D2 are not less than 0.5mm and not more than 15mm, wherein D1 is the circumferential maximum inner diameter of the section of the high-pressure shell 16 corresponding to the auxiliary bearing 330, and D2 is the circumferential maximum outer diameter of the auxiliary bearing 330.

Further, the auxiliary bearing 330 is provided with an oil return structure 340 at a bottom position in the gravity direction.

Further, the oil return structure 340 at the bottom of the secondary bearing 330 is a trimming notch structure to increase the communication sectional area of the space at both sides of the bottom of the baffle.

Alternatively, the oil return structure 340 at the bottom of the secondary bearing 330 is a through hole 342 structure to increase the communication sectional area of the space at both sides of the baffle.

Further, the baffle 34 on the secondary bearing 330 is a thin-walled structure disposed on the outer contour of the secondary bearing 330 near the secondary muffler and extending in the radial direction. Alternatively, the baffle 34 on the secondary bearing 330 is a thin-walled structure that is disposed on the side of the outer contour of the secondary bearing 330 close to the secondary cylinder and extends radially. Alternatively, the baffle 34 of the secondary bearing 330 is a thin-walled structure disposed in the axial middle of the outer contour of the secondary bearing 330 and extending in the radial direction.

Further, the baffle 34 on the secondary bearing 330 is a thin-walled structure with a uniform section or a variable section, which is arranged on the outer contour of the secondary bearing 330 and extends in the radial direction.

Further, the sub-bearing 330 structure is suitable for an electric compressor of R134a, R744, R290, and R1234yf refrigerants.

According to the electric compressor of the present embodiment, the electric compressor has a high-pressure casing 16, a low-pressure casing 14, a compression section 3, a motor section 4, a bracket 18, an electric control section, and a cover plate. When the compressor normally operates, gaseous refrigerant enters the inner cavity of the low-pressure shell 14 from the suction hole of the compressor and flows through the motor part 4 and the bracket 18 to enter the compression part 3 to work, and high-pressure gas formed after the refrigerant passes through the compression part 3 is discharged into a compression cavity 10 enclosed by a high-pressure shell 16 and leaves the compressor through the discharge hole 12. The compression unit 3 has a rotor type compression structure, and the compression unit 3 is provided with a baffle 34. The baffle 34 that this application provided sets up the structure that the external diameter is relatively great in the vice bearing 330 outline of compression portion 3, and baffle 34 external diameter direction surpasss vice muffler external diameter scope to the shaping has the baffle structure that carries out the space incomplete partition to compression chamber 10, improves the air current noise and the pulsation in the compressor discharge side high-pressure chamber.

It is worth to say that the vehicle can be a traditional fuel vehicle or a new energy vehicle. The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, 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 description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 compressor, comprising:

a housing;

the rotating shaft is arranged in the shell;

the compression portion is located in the casing, the casing with the compression portion surrounds out the compression chamber, be equipped with the discharge hole on the compression chamber, the compression portion includes:

the air cylinder is connected with the rotating shaft;

the silencing part is connected with the rotating shaft and is arranged on one side of the cylinder close to the discharge hole;

the baffle is arranged on the sound attenuation part, at least one part of the baffle protrudes out of the sound attenuation part along the radial direction of the rotating shaft, and a gap is formed between the baffle and the shell.

2. The compressor of claim 1, wherein the sound deadening portion includes:

the bearing is connected with the rotating shaft;

a silencer connected with the rotating shaft through the bearing,

the baffle is arranged between the bearing and the silencer, and/or the baffle is arranged on the outer side wall of the bearing.

3. The compressor of claim 2,

the bearing comprises a connecting section and an extending section which are connected, the connecting section is positioned on the peripheral side of the rotating shaft, the silencer is arranged on the peripheral side of the connecting section, the extending section extends from the outer side wall of the connecting section along the radial direction of the rotating shaft, and the connecting section is positioned between the silencer and the cylinder;

and under the condition that the baffle is arranged on the outer side wall of the bearing, the baffle is arranged on the outer side wall of the extension section.

4. Compressor according to claim 3,

along the axial direction of the rotating shaft, the wall surface of the baffle plate facing the cylinder is flush with the wall surface of the extension section facing the cylinder; or

The wall surface of the baffle facing the silencer is flush with the wall surface of the extension section facing the silencer along the axial direction of the rotating shaft; or

And the baffle is arranged in the middle of the extension section along the axial direction of the rotating shaft.

5. Compressor according to claim 3,

the baffle plates are identical in cross section shape along the radial direction of the rotating shaft, or the baffle plates are of variable cross section structures.

6. The compressor of claim 3, wherein an outer sidewall of the extension forms the baffle extending radially of the shaft.

7. The compressor of claim 6,

the outer side wall of the baffle is arc-shaped, the diameter of the part, corresponding to the bearing, of the inner wall surface of the shell is D1, the diameter of the outer side wall of the baffle is D2, and the difference value between D1 and D2 is larger than or equal to 0.5mm and smaller than or equal to 15mm.

8. The compressor according to claim 2, wherein in a case where the baffle is provided between the bearing and the muffler, the number of the baffles is one, or the number of the baffles is plural, and the plural baffles are stacked in an axial direction of the rotating shaft.

9. The compressor of claim 8,

at least a part of the outer side wall of the baffle is arc-shaped, the diameter of the inner wall surface of the shell corresponding to the baffle is D3, the diameter of the outer side wall of the baffle is D4, the diameter of the outer side wall of the bearing is D5, the difference between D4 and D5 is larger than or equal to 1mm, and the difference between D3 and D4 is larger than or equal to 1mm.

10. The compressor of claim 8,

the baffle comprises a metal baffle.

11. The compressor of claim 8,

the baffle comprises a metal base material, and rubber coatings or plastic coatings are arranged on two sides of the metal base material.

12. The compressor of any one of claims 1 to 11,

and an oil return structure is arranged at the bottom of the baffle.

13. The compressor of claim 12, wherein the oil return structure comprises a trim structure.

14. The compressor of claim 12,

the oil return structure comprises an oil return hole, and the oil return hole is communicated with the compression cavity.

15. The compressor of claim 12,

the baffle is provided with a plurality of through holes, and the through holes are distributed along the circumferential direction of the baffle.

16. The compressor of any one of claims 1 to 11, wherein the housing comprises:

the motor part is arranged in the first shell and connected with the rotating shaft;

the compression part is arranged in the second shell;

the bracket is clamped between the first shell and the second shell;

wherein the pressure born by the first shell is smaller than the pressure born by the second shell.

17. A vehicle, characterized by comprising:

a compressor as claimed in any one of claims 1 to 16.