CN218093443U

CN218093443U - Compressor and vehicle

Info

Publication number: CN218093443U
Application number: CN202221410271.0U
Authority: CN
Inventors: 马宇山
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 first cylinder is connected with the rotating shaft; the second cylinder is connected with the rotating shaft and is positioned on one side of the first cylinder, which is close to the discharge hole; the partition plate is arranged between the first cylinder and the second cylinder; the baffle is arranged on the outer side wall of the partition, the baffle protrudes out of the first cylinder and the second cylinder 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, baffle setting are on the lateral wall of baffle, baffle protrusion in first cylinder and second cylinder to have the clearance between baffle and the casing, thereby the baffle separates the compression chamber, improves the cavity sympathetic response in compression chamber, and then improves the air current noise and the pulsation of exhaust side.

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 an exhaust hole 3', and when the compressor operates, airflow noise and pressure pulsation generated by exhaust gas easily excite resonance of each component in a thermal management system on an automobile, which brings problems of automobile noise and vibration.

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 first cylinder is connected with the rotating shaft; the second cylinder is connected with the rotating shaft and is positioned on one side of the first cylinder close to the discharge hole; the partition plate is arranged between the first cylinder and the second cylinder; the baffle is arranged on the outer side wall of the partition plate, and protrudes out of the first cylinder and the second cylinder 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 first cylinder, second cylinder, baffle and sets up the baffle on the baffle. 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 partition plate is arranged between the first cylinder and the second cylinder and used for separating the first cylinder from the second cylinder. Wherein, the baffle sets up on the lateral wall of baffle, baffle protrusion in first cylinder and second cylinder to there is the clearance between baffle and the casing, thereby the baffle separates the compression chamber, improves the cavity sympathetic response of compression chamber, and then improves the air current noise and the pulsation of exhaust side.

In addition, the baffle is arranged on the partition plate, the structure of the first cylinder and the structure of the second cylinder are not influenced, the manufacture of the baffle is facilitated, and the universality of the baffle is improved.

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

It should be noted that the middle portion of the partition plate has a through hole, so that the partition plate is surrounded on the peripheral side of the rotating shaft through the through hole, and the outer side wall of the partition plate is also the outer side wall of the partition plate along the radial direction of the rotating shaft.

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

in some possible designs, 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 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, the outer side wall of the baffle is arc-shaped, wherein the diameter of the inner wall surface of the shell and the diameter of the part corresponding to the baffle are 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 holes from the gap between the inner wall surface of the shell and the baffle, 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 smaller than or equal to 0.5mm and smaller than or equal to 15mm, the refrigerant can flow to the exhaust holes through the gap between the baffle and the shell, the separation effect of the baffle on a compression cavity is also ensured, and the improvement effect on airflow noise and pulsation is further ensured.

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

In some possible designs, 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, after the compressor is installed, the oil return structure is arranged at the bottom of the gravity direction of the compressor, oil can be gathered at the bottom of the shell under the action of gravity, the oil return structure is arranged at the bottom of the baffle along the gravity direction of the compressor, and the oil return effect can be guaranteed.

It can be understood that, when the compressor is in the working state, along the gravity direction of the compressor, the oil return structure is arranged at the bottom of the baffle plate, and then oil flows through the oil return structure under the action of gravity, so that the oil return effect of the compressor is ensured.

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 the design, the oil return structure comprises an oil return hole, and the bottom of the baffle is provided with the oil return hole, so that oil can flow through the oil return hole, and the oil return of the compressor is ensured.

In some possible designs, the baffle is provided with a plurality of through holes, and the through holes 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 intercommunication area in baffle both sides space, and then promote the throughput 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 some possible designs, the wall surface of the baffle facing the first cylinder is flush with the wall surface of the partition facing the first cylinder in the axial direction of the rotating shaft.

In this design, the baffle is towards the wall of first cylinder and the wall looks parallel and level of baffle towards first cylinder for the baffle is close to first cylinder setting, and thereby the baffle separates the compression chamber, with the flow noise and the pulsation that alleviate the refrigerant. The baffle is arranged close to the first cylinder, so that the baffle and the partition plate can be conveniently installed, and the manufacturing difficulty of the baffle and the partition plate is further reduced.

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

In this design, the baffle is towards the wall of second cylinder and the wall looks parallel and level of baffle orientation second cylinder for the baffle is close to the setting of second cylinder, thereby the baffle separates the compression chamber, with the flow noise and the pulsation that alleviate the refrigerant. Wherein, the baffle is close to the setting of second cylinder, and the installation of the baffle of being convenient for and baffle, and then reduce the manufacturing degree of difficulty of baffle and baffle.

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

In the design, the baffle is positioned in the middle of the partition plate along the axial direction of the rotating shaft, so that the compression cavity is separated by the baffle, and the flowing noise and the pulsation of the refrigerant are reduced. Wherein, the baffle is located the middle part of baffle for the baffle is symmetrical structure, and then guarantees the sealed effect of baffle both sides and first cylinder and second cylinder.

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 cross-sectional area of the baffle decreases in the radial direction of the axis of rotation.

In the design, the sectional area of the baffle is gradually reduced along the radial direction of the rotating shaft, so that the material consumption of the baffle is reduced, and the production cost is reduced.

In some possible designs, the two sides of the baffle are arranged in a tapered manner towards the middle part along the radial direction of the rotating shaft.

In this design, along the radial of pivot, the both sides of baffle set up to the middle part convergent, on the basis of guaranteeing to separate the effect to the compression chamber, still reduced manufacturing cost.

In some possible designs, at least a portion of the outer side wall of the partition extends in a radial direction of the rotation shaft to form a baffle.

In this design, the lateral wall of baffle radially outwards extends along the pivot and forms the baffle, has improved the joint strength between baffle and the baffle, and then has guaranteed the effect of making an uproar falls to the refrigerant air current, avoids high-pressure refrigerant to destroy being connected of baffle and baffle.

Specifically, baffle and baffle formula structure as an organic whole, further, baffle and baffle integrated into one piece form.

In some possible designs, the compression section further comprises: the silencer is arranged in the shell and connected with the rotating shaft, and is positioned on one side, away from the first cylinder, of the second cylinder.

In this design, the compression section further includes a muffler disposed within the housing and located on a side of the second cylinder remote from the first cylinder, the muffler for mitigating air flow noise emitted through the second cylinder on the one side.

In some possible designs, the compressor further comprises: the motor part is arranged in the shell, a motor cavity is enclosed by the motor part and the shell, and the motor part is connected with the rotating shaft.

In the design, the compressor also comprises a motor part, the motor part is arranged in the shell and surrounds a motor cavity with the shell, when the compressor normally operates, gaseous refrigerant enters the shell from the suction hole of the compressor and flows through the motor part 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 and leaves the compressor through the discharge hole.

In a specific application, the compressor is a rotor compressor, and further, the motor part comprises a rotor and a stator, and the rotor is connected with the rotating shaft.

Specifically, compressors are used in refrigeration systems.

In some possible designs, the housing includes: the motor part is arranged in the first shell; 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 surrounded by the high-pressure shell and leaves the compressor through the 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 provides including above-mentioned arbitrary technical scheme, consequently has all beneficial effects of compressor.

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, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, 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 showsbase:Sub>A cross-sectional view A-A of the embodiment of FIG. 3;

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

FIG. 6 shows a cross-sectional view taken along line B-B of the embodiment of FIG. 5;

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

figure 8 shows a cross-sectional view through C-C of the embodiment of figure 7.

Wherein, the correspondence between the reference numbers and the part names in fig. 2 to 8 is:

the compressor comprises a shell 1, a compression cavity 10, a discharge hole 12, a low-pressure shell 14, a high-pressure shell 16, a support 18, a cover plate 19, a rotating shaft 2, a compression part 3, a first cylinder 30, a second cylinder 31, a partition plate 32, a baffle plate 33, an oil return structure 330, a silencer 34, a main bearing 35, an auxiliary bearing 36, a motor part 4 and an electric control part 5.

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 8.

As shown in fig. 2, fig. 3 and fig. 4, according to the first embodiment of the present invention, the present invention provides a compressor, including: a housing 1, a rotary shaft 2 and a compression part 3.

Specifically, the rotating shaft 2 is disposed inside the housing 1; the compression part 3 is arranged in the shell 1, the shell 1 and the compression part 3 surround a compression cavity 10, and a discharge hole 12 is arranged on the compression cavity 10. The compression section 3 includes: a first cylinder 30, a second cylinder 31, a partition 32, and a baffle 33 provided on the partition 32. The first cylinder 30 is connected with the rotating shaft 2, the second cylinder 31 is connected with the rotating shaft 2, and the second cylinder 31 is positioned at one side of the first cylinder 30 close to the discharge hole 12; the partition 32 is disposed between the first cylinder 30 and the second cylinder 31; the baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes from the first cylinder 30 and the second cylinder 31 along the radial direction of the rotating shaft 2, and a gap is formed between the baffle 33 and the shell 1.

The utility model provides a compressor, including casing 1, pivot 2 and the compression portion 3 of setting in casing 1, compression portion 3 includes first cylinder 30, second cylinder 31, baffle 32 and sets up baffle 33 on baffle 32. 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. A partition plate 32 is provided between the first cylinder 30 and the second cylinder 31 for partitioning the first cylinder 30 and the second cylinder 31. The baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes out of the first cylinder 30 and the second cylinder 31, and a gap is formed between the baffle 33 and the shell 1, so that the compression chamber 10 is separated by the baffle 33, the cavity resonance of the compression chamber 10 is improved, and the airflow noise and pulsation on the exhaust side are further improved.

In addition, the baffle 33 is arranged on the partition plate 32, the structure of the first cylinder 30 and the second cylinder 31 is not influenced, the manufacture of the baffle 33 is facilitated, and the universality of the baffle 33 is improved.

It can be understood that the housing 1 includes a low pressure housing 14 and a high pressure housing 16, the high pressure housing 16 surrounds the compression portion 3 and surrounds the compression chamber 10 with the compression portion 3, 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 portion 4 and the bracket 18 to enter the compression portion 3 to work, and high pressure gas formed after the refrigerant passes through the compression portion 3 is discharged into the compression chamber 10 surrounded by the high pressure housing 16 and leaves the compressor through the discharge hole 12.

It should be noted that the partition 32 has a through hole in the middle, so that the partition 32 is surrounded on the peripheral side of the rotating shaft 2 through the through hole, and the outer side wall of the partition 32 is also the outer side wall of the partition 32 in the radial direction of the rotating shaft 2.

According to the utility model discloses a second embodiment, the utility model provides a compressor, include: a housing 1, a rotation shaft 2, and a compression part 3.

Specifically, the rotating shaft 2 is disposed inside the housing 1; the compression part 3 is arranged in the shell 1, the shell 1 and the compression part 3 surround a compression cavity 10, and a discharge hole 12 is arranged on the compression cavity 10. The compression section 3 includes: a first cylinder 30, a second cylinder 31, a partition plate 32, and a baffle 33 provided on the partition plate 32. The first cylinder 30 is connected with the rotating shaft 2, the second cylinder 31 is connected with the rotating shaft 2, and the second cylinder 31 is positioned at one side of the first cylinder 30 close to the discharge hole 12; the partition plate 32 is disposed between the first cylinder 30 and the second cylinder 31; the baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes from the first cylinder 30 and the second cylinder 31 along the radial direction of the rotating shaft 2, and a gap is formed between the baffle 33 and the shell 1. Wherein the wall surface of the baffle 33 facing the first cylinder 30 is flush with the wall surface of the partition plate 32 facing the first cylinder 30 in the axial direction of the rotating shaft 2.

The utility model provides a compressor, including casing 1, pivot 2 and the compression portion 3 of setting in casing 1, compression portion 3 includes first cylinder 30, second cylinder 31, baffle 32 and sets up baffle 33 on baffle 32. 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. A partition plate 32 is provided between the first cylinder 30 and the second cylinder 31 for partitioning the first cylinder 30 and the second cylinder 31. The baffle 33 is arranged on the outer side wall of the partition plate 32, the baffle 33 protrudes out of the first cylinder 30 and the second cylinder 31, and a gap is reserved between the baffle 33 and the shell 1, so that the compression chamber 10 is separated by the baffle 33, the cavity resonance of the compression chamber 10 is improved, and the airflow noise and the pulsation on the exhaust side are improved.

The wall surface of the baffle 33 facing the first cylinder 30 is flush with the wall surface of the partition plate 32 facing the first cylinder 30, so that the baffle 33 is disposed close to the first cylinder 30, and thus the baffle 33 partitions the compression chamber 10 to reduce the flow noise and pulsation of the refrigerant. The baffle 33 is disposed close to the first cylinder 30, so that the baffle 33 and the partition 32 can be conveniently mounted, and the difficulty in manufacturing the baffle 33 and the partition 32 is reduced.

Further, the baffle 33 is provided on the partition plate 32, and the structure of the first cylinder 30 and the second cylinder 31 is not affected, so that the baffle 33 can be easily manufactured, and the versatility of the baffle 33 is improved.

According to the utility model discloses a third embodiment, the utility model provides a compressor, include: a housing 1, a rotation shaft 2, and a compression part 3.

Specifically, the rotating shaft 2 is disposed inside the housing 1; the compression part 3 is arranged in the shell 1, the shell 1 and the compression part 3 surround a compression cavity 10, and a discharge hole 12 is arranged on the compression cavity 10. The compression section 3 includes: a first cylinder 30, a second cylinder 31, a partition 32, and a baffle 33 provided on the partition 32. The first cylinder 30 is connected with the rotating shaft 2, the second cylinder 31 is connected with the rotating shaft 2, and the second cylinder 31 is positioned at one side of the first cylinder 30 close to the discharge hole 12; the partition plate 32 is disposed between the first cylinder 30 and the second cylinder 31; the baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes from the first cylinder 30 and the second cylinder 31 along the radial direction of the rotating shaft 2, and a gap is formed between the baffle 33 and the shell 1. Wherein, along the axial direction of the rotating shaft 2, the wall surface of the baffle 33 facing the second cylinder 31 is flush with the wall surface of the partition 32 facing the second cylinder 31.

The utility model provides a compressor, including casing 1, pivot 2 and the compression portion 3 of setting in casing 1, compression portion 3 includes first cylinder 30, second cylinder 31, baffle 32 and sets up baffle 33 on baffle 32. 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. A partition plate 32 is provided between the first cylinder 30 and the second cylinder 31 for partitioning the first cylinder 30 and the second cylinder 31. The baffle 33 is arranged on the outer side wall of the partition plate 32, the baffle 33 protrudes out of the first cylinder 30 and the second cylinder 31, and a gap is reserved between the baffle 33 and the shell 1, so that the compression chamber 10 is separated by the baffle 33, the cavity resonance of the compression chamber 10 is improved, and the airflow noise and the pulsation on the exhaust side are improved.

The wall surface of the baffle 33 facing the second cylinder 31 is flush with the wall surface of the partition plate 32 facing the second cylinder 31, so that the baffle 33 is disposed close to the second cylinder 31, and the baffle 33 divides the compression chamber 10 to reduce the flow noise and pulsation of the refrigerant. The baffle 33 is arranged close to the second cylinder 31, so that the baffle 33 and the partition plate 32 can be conveniently installed, and the manufacturing difficulty of the baffle 33 and the partition plate 32 is further reduced.

As shown in fig. 5 and 6, according to a fourth embodiment of the present invention, the present invention provides a compressor, including: a housing 1, a rotary shaft 2 and a compression part 3.

Specifically, the rotating shaft 2 is disposed inside the housing 1; the compression part 3 is arranged in the shell 1, the shell 1 and the compression part 3 surround a compression cavity 10, and a discharge hole 12 is arranged on the compression cavity 10. The compression section 3 includes: a first cylinder 30, a second cylinder 31, a partition 32, and a baffle 33 provided on the partition 32. The first cylinder 30 is connected with the rotating shaft 2, the second cylinder 31 is connected with the rotating shaft 2, and the second cylinder 31 is positioned at one side of the first cylinder 30 close to the discharge hole 12; the partition plate 32 is disposed between the first cylinder 30 and the second cylinder 31; the baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes from the first cylinder 30 and the second cylinder 31 along the radial direction of the rotating shaft 2, and a gap is formed between the baffle 33 and the shell 1. Wherein, the baffle 33 is located at the middle of the partition 32 along the axial direction of the rotating shaft 2.

The baffle 33 is located at the middle of the partition 32 along the axial direction of the rotating shaft 2, so that the baffle 33 partitions the compression chamber 10 to reduce the flow noise and pulsation of the refrigerant. The baffle 33 is located in the middle of the partition 32, so that the partition 32 has a symmetrical structure, and the sealing effect between the two sides of the partition 32 and the first cylinder 30 and the second cylinder 31 is ensured.

As shown in fig. 3 and 5, according to the five embodiments of the present invention, the present invention provides a compressor, including: a housing 1, a rotation shaft 2, and a compression part 3.

Specifically, the rotating shaft 2 is disposed inside the housing 1; the compression part 3 is arranged in the shell 1, the shell 1 and the compression part 3 surround a compression cavity 10, and a discharge hole 12 is arranged on the compression cavity 10. The compression section 3 includes: a first cylinder 30, a second cylinder 31, a partition 32, and a baffle 33 provided on the partition 32. The first cylinder 30 is connected with the rotating shaft 2, the second cylinder 31 is connected with the rotating shaft 2, and the second cylinder 31 is positioned at one side of the first cylinder 30 close to the discharge hole 12; the partition plate 32 is disposed between the first cylinder 30 and the second cylinder 31; the baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes from the first cylinder 30 and the second cylinder 31 along the radial direction of the rotating shaft 2, and a gap is formed between the baffle 33 and the shell 1. Wherein, along the radial direction of the rotating shaft 2, the cross-sectional shapes of the baffles 33 are the same.

The utility model provides a compressor, including casing 1, pivot 2 and the compression portion 3 of setting in casing 1, compression portion 3 includes first cylinder 30, second cylinder 31, baffle 32 and sets up baffle 33 on baffle 32. 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. A partition plate 32 is provided between the first cylinder 30 and the second cylinder 31 for partitioning the first cylinder 30 and the second cylinder 31. The baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes out of the first cylinder 30 and the second cylinder 31, and a gap is formed between the baffle 33 and the shell 1, so that the compression chamber 10 is separated by the baffle 33, the cavity resonance of the compression chamber 10 is improved, and the airflow noise and pulsation on the exhaust side are further improved.

Wherein, along the radial direction of the rotating shaft 2, the cross-sectional shapes of the baffle plates 33 are the same, that is, the baffle plates 33 are of a uniform cross-sectional structure, thereby facilitating the production and the manufacture of the baffle plates 33. Meanwhile, the baffle 33 is set to be of an equal section structure, and the noise reduction effect on the refrigerant airflow can be further guaranteed.

As shown in fig. 7 and 8, according to six embodiments of the present invention, the present invention provides a compressor, including: a housing 1, a rotary shaft 2 and a compression part 3.

Specifically, the rotating shaft 2 is disposed inside the housing 1; the compression part 3 is arranged in the shell 1, the shell 1 and the compression part 3 surround a compression cavity 10, and a discharge hole 12 is arranged on the compression cavity 10. The compression section 3 includes: a first cylinder 30, a second cylinder 31, a partition plate 32, and a baffle 33 provided on the partition plate 32. The first cylinder 30 is connected with the rotating shaft 2, the second cylinder 31 is connected with the rotating shaft 2, and the second cylinder 31 is positioned at one side of the first cylinder 30 close to the discharge hole 12; the partition 32 is disposed between the first cylinder 30 and the second cylinder 31; the baffle 33 is arranged on the outer side wall of the partition 32, the baffle 33 protrudes from the first cylinder 30 and the second cylinder 31 along the radial direction of the rotating shaft 2, and a gap is formed between the baffle 33 and the shell 1. Wherein, along the radial direction of the rotating shaft 2, the baffle 33 is of a variable cross-section structure.

Wherein, along the radial of pivot 2, baffle 33 is variable cross section structure, and the cross-sectional area of baffle 33 is for changing that also means to improve the cavity sympathetic response of compression chamber 10, on the basis of with compression chamber 10 partitioned, can also improve the buffering effect to the refrigerant, improve the air current noise and the pulsation of refrigerant.

In some possible designs, the cross-sectional area of the baffle 33 decreases gradually in the radial direction of the shaft 2.

In the design, the sectional area of the baffle 33 is gradually reduced along the radial direction of the rotating shaft 2, so that the material consumption of the baffle 33 is reduced, and the production cost is reduced.

In some possible designs, the baffle 33 tapers from both sides to the middle in the radial direction of the shaft 2.

In this design, along the radial of pivot 2, the both sides of baffle 33 are to the middle part convergent setting, on the basis of guaranteeing to separate the effect to compression chamber 10, have still reduced manufacturing cost.

As shown in fig. 4, 6 and 8, according to seven embodiments of the present invention, on the basis of any of the above embodiments, further: the outer side wall of the baffle 33 is arc-shaped, the diameter of the part of the inner wall surface of the shell 1 corresponding to the baffle 33 is D1, the diameter of the outer side wall of the baffle 33 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, the outer side wall of the baffle 33 is arc-shaped, wherein the diameter of the inner wall surface of the shell 1 and the diameter of the part corresponding to the baffle 33 are D1, the diameter of the outer side wall of the baffle 33 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 inner wall surface of the shell 1 and the baffle 33, but the size difference between D1 and D2 is too large, so that 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 flow to the exhaust hole through the gap between the baffle 33 and the shell 1, the separation effect of the baffle 33 on the compression cavity 10 is also ensured, and the improvement effect on airflow noise and pulsation is further ensured.

It is understood that D1 is the largest of the dimensions of the corresponding portion of the housing 1 and the baffle 33, and D2 is the largest of the dimensions of the diameter of the outer side wall of the baffle 33.

According to the eighth embodiment of the present invention, on the basis of any one of the above embodiments, further: the baffle 33 is provided with an oil return structure 330.

In this design, the bottom of baffle 33 is provided with oil return structure 330, has increased the intercommunication area of baffle 33 both sides to guarantee the oil return effect of compression unit 3, promote the working property of compressor.

In specific application, after the compressor is installed, the oil return structure 330 is arranged at the bottom of the gravity direction of the compressor, oil can be gathered at the bottom of the shell 1 under the action of gravity, the oil return structure 330 is arranged at the bottom of the baffle 33 along the gravity direction of the compressor, and the oil return effect can be ensured.

It can be understood that, when the compressor is in the working state, along the gravity direction of the compressor, the oil return structure 330 is disposed at the bottom of the baffle 33, and then the oil flows through the oil return structure 330 under the action of gravity, thereby ensuring the oil return effect of the compressor.

According to the ninth embodiment of the present invention, on the basis of the eighth embodiment, further: the oil return structure 330 includes a trim structure.

In this design, the oil return structure 330 is the side cut structure of setting on baffle 33, sets up the side cut structure through the bottom at baffle 33, can increase the area of intercommunication of baffle 33 both sides, and then guarantees the oil return effect.

According to a tenth embodiment of the present invention, on the basis of the eighth embodiment, further: the oil return structure 330 includes an oil return hole, which is communicated with the compression chamber 10.

In this design, the oil return structure 330 includes an oil return hole, and the oil return hole is disposed at the bottom of the baffle 33, so that oil can flow through the oil return hole, and the oil return of the compressor is ensured.

According to the eleventh embodiment of the present invention, on the basis of the eighth embodiment, further: the baffle 33 is provided with a plurality of through holes which are distributed along the circumferential direction of the baffle 33.

In this design, be provided with a plurality of through-holes on the baffle 33, through the setting of through-hole, can adjust the area of intercommunication in baffle 33 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 33, the circulation of the refrigerant can be adjusted along the circumferential direction of the baffle 33, the refrigerant circulation is more uniform, and the flowing noise and the pulsation of the refrigerant are reduced.

In some possible designs, the casing 1 comprises: the motor part 4 is arranged in the first shell; 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 18 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, wherein the pressure borne by the first housing is smaller than the 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 the pressure of the refrigerant in the first housing is smaller than the pressure of the 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 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 casing 16 and leaves the compressor through a discharge hole 12.

According to a twelfth embodiment of the present invention, on the basis of any one of the above embodiments, further: at least a part of the outer side wall of the partition 32 extends in the radial direction of the rotation shaft 2 to form a baffle 33.

In this design, the lateral wall of baffle 32 radially outwards extends along pivot 2 and forms baffle 33, has improved the joint strength between baffle 32 and the baffle 33, and then has guaranteed the effect of making an uproar falls to the refrigerant air current, avoids high-pressure refrigerant to destroy baffle 33 and baffle 32's being connected.

Specifically, the partition 32 and the baffle 33 are of an integral structure, and further, the partition 32 and the baffle 33 are integrally formed.

According to a thirteenth embodiment of the present invention, on the basis of any one of the above embodiments, further: the compressor further includes: and a silencer 34 arranged in the shell 1, wherein the silencer 34 is connected with the rotating shaft 2 and is positioned on one side of the second cylinder 31 far away from the first cylinder 30.

In this design, the compressor further comprises a muffler 34, the muffler 34 being disposed within the housing 1 on the side of the second cylinder 31 remote from the first cylinder 30, the muffler 34 being for reducing noise of the air flow discharged through the side of the second cylinder 31.

According to a fourteenth embodiment of the present invention, on the basis of any one of the above embodiments, further: the compressor further includes: the motor part 4, the motor part 4 is located in the casing 1, and the motor part 4 encloses out the motor chamber with the casing 1, and the motor part 4 is connected with pivot 2.

In the design, the compressor further comprises a motor part 4, the motor part 4 is arranged in the shell 1 and surrounds a motor cavity with the shell 1, when the compressor normally operates, gaseous refrigerant enters the shell 1 from a suction hole of the compressor and flows through the motor part 4 to enter the compression part 3 for work, and high-pressure gas formed after the refrigerant passes through the compression part 3 is discharged into the compression cavity 10 and leaves the compressor through a discharge hole 12.

In a specific application, the compressor is a rotor compressor, and further, the motor part 4 includes a rotor and a stator, and the rotor is connected to the rotating shaft 2.

Specifically, compressors are used in refrigeration systems.

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

The utility model discloses the vehicle that the fifteenth embodiment provided, because of the compressor that includes the proposed of any above-mentioned embodiment, consequently have all beneficial effects of compressor.

According to a sixteenth embodiment of the present application, there is provided a compressor, in particular, an electric compressor for a vehicle air conditioner, including: a compression section 3 and a high pressure housing 16. The compression part 3 is arranged inside the compressor shell 1 and compresses the sucked refrigerant; the high pressure casing 16 surrounds the compression portion 3, has a compression chamber 10 for discharging the high pressure refrigerant from the compression portion 3, and has a discharge hole 12 for discharging the high pressure refrigerant.

Wherein, compression portion 3 is birotor formula compression structure, and compression portion 3 includes: the device comprises a first cylinder 30, a second cylinder 31, a main bearing 35, an auxiliary bearing 36 and a partition plate 32, wherein the main bearing 35 and the auxiliary bearing 36 are respectively arranged on one side of the first cylinder 30 and one side of the second cylinder 31, and exhaust valve components are arranged on the main bearing 35 and the auxiliary bearing; a partition plate 32 provided between the first cylinder 30 and the second cylinder 31 for partitioning the first cylinder 30 and the second cylinder 31;

wherein, the baffle 33 with relatively large outer diameter is arranged on the outer contour of the baffle 32, and the outer diameter direction of the baffle 33 exceeds the outer diameter range of the first cylinder 30 and the second cylinder 31, thereby forming the baffle structure with incomplete space division of the compression chamber 10.

Further, the baffle 33 and the housing 1 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 partition plate 32, and D2 is the circumferential maximum outer diameter of the baffle plate 33.

Further, the baffle 33 is provided with an oil return structure 330 at a bottom position in the gravity direction.

The oil return structure 330 at the bottom of the baffle 33 is a cut edge and gap structure to increase the communication sectional area of the spaces at the two sides of the bottom of the baffle 33.

The baffle 33 is a thin-walled structure that is disposed on the outer contour of the partition 32 near the second cylinder 31 and extends radially. Alternatively, the baffle 33 is a thin-walled structure that is disposed on the outer contour of the partition 32 near the first cylinder 30 and extends radially outward. Alternatively, the baffle 33 of the partition 32 is a thin-walled structure disposed in the axial middle of the outer contour of the partition 32 and extending in the radial direction.

Further, the baffle 33 is a thin-walled structure with uniform or variable cross-section, which is disposed on the outer contour of the partition 32 and extends in the radial direction.

Further, the compressor proposed in the present application is an electric compressor suitable for R134a (hydrofluorocarbon refrigerant), R744 (carbon dioxide refrigerant), R290 (propane refrigerant), and R1234yf (tetrafluoropropene refrigerant).

According to the compressor of the present embodiment, the compressor has a high pressure housing 16, a low pressure housing 14, a compression part 3, a motor part 4, a bracket 18, an electric control part 5, and a cover plate 19. 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. Wherein, the compression part 3 is a double-rotor type compression structure, and a baffle 33 is arranged on the compression part 3. The baffle 33 with relatively large outer diameter is arranged on the outer contour of the baffle 32 of the compression part 3, and the outer diameter direction of the baffle 33 exceeds the outer diameter range of the first cylinder 30 and the second cylinder 31, so that the baffle structure which can not completely separate the space of the compression cavity 10 is formed, and the airflow noise and the pulsation in the compression cavity 10 at the exhaust side of the compressor are improved.

In the present application, the term "plurality" is intended to mean two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, connections that may be fixed or removable or integral; "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 first cylinder is connected with the rotating shaft;

the second cylinder is connected with the rotating shaft and is positioned on one side of the first cylinder, which is close to the discharge hole;

a partition plate provided between the first cylinder and the second cylinder;

the baffle is arranged on the outer side wall of the partition plate and along the radial direction of the rotating shaft, the baffle protrudes out of the first cylinder and the second cylinder, and a gap is formed between the baffle and the shell.

2. The compressor of claim 1,

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

3. The compressor of claim 1,

and an oil return structure is arranged on the baffle.

4. The compressor of claim 3, wherein the oil return structure comprises a trim structure.

5. The compressor of claim 3,

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

6. Compressor according to claim 3,

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

7. The compressor of any one of claims 1 to 6,

along the axial direction of the rotating shaft, the wall surface of the baffle facing the first cylinder is flush with the wall surface of the partition facing the first cylinder; or

Along the axial direction of the rotating shaft, the wall surface of the baffle facing the second cylinder is flush with the wall surface of the partition facing the second cylinder; or

And the baffle is positioned in the middle of the partition plate along the axial direction of the rotating shaft.

8. The compressor of any one of claims 1 to 6,

and the cross sections of the baffles are the same along the radial direction of the rotating shaft.

9. The compressor of any one of claims 1 to 6,

and the baffle is of a variable cross-section structure along the radial direction of the rotating shaft.

10. The compressor of claim 9,

and the cross-sectional area of the baffle is gradually reduced along the radial direction of the rotating shaft.

11. The compressor of claim 10,

along the radial direction of pivot, the both sides of baffle are to the middle part convergent setting.

12. The compressor of any one of claims 1 to 6,

at least one part of the outer side wall of the partition extends along the radial direction of the rotating shaft to form the baffle.

13. The compressor of any one of claims 1 to 6, wherein the compression part further comprises:

the silencer is arranged in the shell and connected with the rotating shaft and located on one side, far away from the first cylinder, of the second cylinder.

14. The compressor of any one of claims 1 to 6, further comprising:

the motor part is arranged in the shell, a motor cavity is enclosed by the motor part and the shell, and the motor part is connected with the rotating shaft.

15. The compressor of claim 14, wherein the housing comprises:

the motor part is arranged in the first shell;

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.

16. A vehicle, characterized by comprising:

a compressor as claimed in any one of claims 1 to 15.