CN110159530B

CN110159530B - Scroll compressor and vehicle

Info

Publication number: CN110159530B
Application number: CN201910576537.5A
Authority: CN
Inventors: 胡余生; 单彩侠; 赵玉晨; 律刚; 方琪; 刘双来; 赵豪川; 董航江
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-09-18
Anticipated expiration: 2039-06-28
Also published as: CN110159530A

Abstract

The application provides a scroll compressor and vehicle, its characterized in that, including the bent axle, be provided with drive end bearing (21) on the bent axle, be provided with bearing through-flow groove (211) on drive end bearing (21), be provided with cooling channel in the scroll compressor, cooling channel with bearing through-flow groove (211) communicates with each other, coolant in the cooling channel passes bearing through-flow groove (211), with will drive end bearing (21) cooling. The scroll compressor provided by the embodiment of the invention can enhance the heat dissipation capacity of the bearing at the driving end and ensure that the temperature of the bearing at the driving end is normal during operation.

Description

Scroll compressor and vehicle

Technical Field

The application belongs to the technical field of compressors, and particularly relates to a scroll compressor and a vehicle.

Background

The crankshaft driving end bearing of the existing scroll compressor adopts a grease lubrication mode, so that the driving end bearing must be in a relatively closed environment, the heat dissipation condition of the closed environment is severe, the temperature of the driving end bearing is high during operation, the performance of the crankshaft is seriously influenced, and the service life of the crankshaft is shortened.

Disclosure of Invention

Therefore, the technical problem that this application will be solved lies in providing a scroll compressor, vehicle, can strengthen drive end bearing heat-sinking capability, guarantees that the drive end bearing temperature is normal when the operation.

In order to solve the problem, the application provides a scroll compressor, including the bent axle, be provided with the drive end bearing on the bent axle, be provided with the bearing on the drive end bearing and lead to the groove, be provided with cooling channel in the scroll compressor, cooling channel with the bearing leads to the groove and communicates with each other, cooling medium in the cooling channel passes the bearing leads to the groove, with will the cooling of drive end bearing.

Preferably, the bearing throughflow groove is provided on an inner wall and/or an outer wall of the drive end bearing.

Preferably, the bearing through-flow grooves are distributed uniformly on the inner wall and/or the outer wall of the drive end bearing, and extend from the upstream end of the drive end bearing to the downstream end of the drive end bearing.

Preferably, the cooling channel comprises a shaft cooling channel arranged in the crankshaft, the bearing at the driving end is arranged in the bearing chamber, the shaft cooling channel is communicated with the bearing through groove, the scroll compressor further comprises an air inducing part, the space of the air inducing part is communicated with the shaft cooling channel, and the air inducing part is used for introducing cooling air into the shaft cooling channel.

Preferably, the scroll compressor further comprises a driving frame, a driving shaft is arranged on the driving frame, the bearing chamber is arranged on the driving shaft, the crankshaft extends into the bearing chamber, and the driving end bearing is positioned between the crankshaft and the driving shaft.

Preferably, the scroll compressor further comprises a driving frame, a driving shaft is arranged on the driving frame, the bearing chamber is arranged in the driving end of the crankshaft, the driving shaft extends into the bearing chamber, and the driving end bearing is positioned between the crankshaft and the driving shaft.

Preferably, the drive end bearing is a self-lubricating bearing.

Preferably, the scroll compressor still includes the casing, be provided with at least one air intake and at least one air exit on the casing, induced air portion with the air intake communicates with each other, cooling channel is including setting up first passageway in the casing, the bearing lead to the groove with the air exit passes through first passageway communicates with each other.

Preferably, a counterbalance is provided on the crankshaft, the counterbalance being located within the first passage.

Preferably, the scroll compressor further comprises a scroll part, a space where the air inducing part is located is communicated with a space where the scroll part is located through a second passage, and the air inducing part sucks cooling air outside the housing from the air inlet, discharges the cooling air into the space where the scroll part is located through the second passage, and discharges the cooling air through the air outlet.

Preferably, the air outlet is arranged on one side of the shell far away from the second channel.

Preferably, the vortex dish portion includes quiet dish and driving disk, be provided with quiet broach on the quiet dish, be provided with on the driving disk and move the broach, quiet broach with it is located to move the broach in the cooling channel.

Preferably, the crankshaft is provided with an air suction piece, an air suction end of the air suction piece is communicated with the space where the air induction part is located, and an air exhaust end of the air suction piece is communicated with the shaft cooling channel.

Preferably, a gas cooler is arranged at the air outlet.

Preferably, the gas cooler is disposed outside the air discharge outlet.

Preferably, the bearing chamber is provided with a bearing chamber throughflow groove extending from an upstream end of the bearing chamber to a downstream end of the bearing chamber.

Preferably, the bearing chamber through-flow grooves are uniformly arranged on the inner wall of the bearing chamber.

Preferably, the bearing chamber through flow groove and a generatrix of the bearing chamber form an included angle different from zero.

Preferably, the bearing flowing groove is formed in the inner wall of the driving end bearing, an included angle which is not zero exists between the bearing flowing groove and a bus of the driving end bearing, and the cross section of the bearing flowing groove is arc-shaped.

Preferably, the bearing flowing groove is formed in the outer wall of the driving end bearing, an included angle which is not zero exists between the bearing flowing groove and a bus of the driving end bearing, and the cross section of the bearing flowing groove is arc-shaped.

Preferably, the bearing flowing groove is arranged on the inner wall of the driving end bearing, the bearing flowing groove is arranged along a bus of the driving end bearing, and the cross section of the bearing flowing groove is a rectangle lacking one side.

Preferably, the bearing flowing groove is formed in the inner wall of the driving end bearing, an included angle which is not zero exists between the bearing flowing groove and a bus of the driving end bearing, and the cross section of the bearing flowing groove is a triangle which lacks one side.

In another aspect of the invention, a vehicle is provided, comprising the scroll compressor described above.

Advantageous effects

The scroll compressor provided by the embodiment of the invention can enhance the heat dissipation capacity of the bearing at the driving end and ensure that the temperature of the bearing at the driving end is normal during operation.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present application;

FIG. 2 is an enlarged view of a bearing housing in embodiment 1 of the present application;

fig. 3 is a schematic structural view of a drive end bearing according to embodiment 1 of the present application;

fig. 4 is a schematic structural diagram of a driving frame according to embodiment 1 of the present application;

FIG. 5 is an enlarged view of the bearing housing in embodiment 2 of the present application;

FIG. 6 is a schematic structural view of a drive end bearing according to embodiment 3 of the present application;

FIG. 7 is a schematic structural view of a drive end bearing according to embodiment 4 of the present application;

fig. 8 is a schematic structural view of a drive end bearing according to embodiment 5 of the present application.

The reference numerals are represented as:

1. a crankshaft; 11. a shaft cooling channel; 12. a suction member; 13. a counterbalance; 21. a drive end bearing; 211. a bearing through flow groove; 22. a bearing chamber; 221. a flow through groove of the bearing chamber; 3. an air inducing portion; 4. a driving frame; 41. a drive shaft; 5. a housing; 51. an air inlet cavity; 52. an air outlet; 53. a second channel; 61. a stationary disc; 611. static comb teeth; 62. a movable plate; 621. moving comb teeth; 7. a gas cooler.

Detailed Description

With combined reference to fig. 1 to 8, according to embodiment 1 of the present application, a scroll compressor includes a crankshaft 1, a driving end bearing 21 is disposed on the crankshaft 1, a bearing through groove 211 is disposed on the driving end bearing 21, a cooling channel is disposed in the scroll compressor, the cooling channel is communicated with the bearing through groove 211, and a cooling medium in the cooling channel passes through the bearing through groove 211 to cool the driving end bearing 21. Through set up bearing through-flow groove 211 on drive end bearing 21, can make the coolant in the cooling channel get into bearing through-flow groove 211 in, directly cool off drive end bearing 21, can strengthen drive end bearing heat-sinking capability, guarantee that the drive end bearing temperature is normal when the operation.

In this embodiment, the bearing throughflow grooves 211 are uniformly distributed on the inner wall of the drive end bearing 21, and the bearing throughflow grooves 211 extend from the upstream end of the drive end bearing 21 to the downstream end of the drive end bearing 21.

Further, the number of the bearing passing grooves 211 is 4, the driving end bearing 21 has a cylindrical structure, and the 4 bearing passing grooves 211 extend from the bottom surface of one end to the bottom surface of the other end.

As shown in fig. 3, the bearing flow passing groove 211 and the generatrix of the driving end bearing 21 form an included angle different from zero, and the cross section of the bearing flow passing groove 211 is arc-shaped.

Further, the bearing throughflow groove 211 is arc-shaped. The length, angle and depth of the 4 bearing through-flow grooves 211 are all the same.

The cooling channel comprises a shaft cooling channel 11 arranged in the crankshaft 1, a drive end bearing 21 is arranged in a bearing chamber 22, the shaft cooling channel 11 is communicated with a bearing through groove 211, the scroll compressor further comprises an induced air portion 3, the space where the induced air portion 3 is located is communicated with the shaft cooling channel 11, and the induced air portion 3 is used for introducing cooling air into the shaft cooling channel 11 and is discharged through the bearing through groove 211. Through being provided with axle cold passageway 11 in setting up bent axle 1, and introduce axle cold passageway 11 with the cooling air through induced air portion 3 in, and then get into bearing room 22, cool off bearing room 22 and drive end bearing 21, make bearing room 22 and drive end bearing 21 have open structure, the cooling wind energy is in time quick implements the cooling to bearing room 22 and drive end bearing 21, reduce part temperature rise deformation, the cooling efficiency is high, can strengthen drive end bearing 21 heat-sinking capability, guarantee that drive end bearing 21 temperature is normal when the operation, can also reduce bearing friction power consumption.

Further, induced air portion 3 includes the induced air fan, and the induced air fan sets up on bent axle 1, can rotate along with bent axle 1.

Furthermore, the induced draft fan and the crankshaft 1 are coaxially arranged, and the crankshaft 1 rotates to drive the induced draft fan to rotate.

Further, when the induced draft fan rotates, the cooling air is pumped into the housing 5 from the air inlet.

Further, the shaft cooling passage 11 is provided coaxially with the crankshaft 1.

The left side in FIG. 1 is defined as the front side of the scroll compressor and the right side is defined as the back side of the scroll compressor.

The arrows in fig. 1 indicate the direction of the cooling wind.

The scroll compressor further includes a drive frame 4, a drive shaft 41 is provided on the drive frame 4, a bearing chamber 22 is provided on the drive shaft 41, the crankshaft 1 extends into the bearing chamber 22, and a drive end bearing 21 is located between the crankshaft 1 and the drive shaft 41. Crankshaft 1 drives driving disk 62 to move by driving frame 4, and moving disk 62 and static disk 61 move each other, realize gaseous compression.

Further, a drive rack 4 is provided on the front side of the crankshaft 1.

Further, as shown in fig. 4, in the present embodiment, the driving frame 4 has a central symmetrical structure, the bearing chamber 22 is disposed in the middle of the driving frame 4, and the crankshaft 1 extends into the bearing chamber 22 to be connected with the driving frame 4.

Further, a driving end bearing 21 is arranged in a bearing chamber 22 of the driving frame 4 in an interference manner, and the driving end bearing 21 is in clearance fit with the driving end of the crankshaft 1.

The drive end bearing 21 is a self-lubricating bearing. The self-lubricating bearing is used, lubrication of grease is not needed, maintenance cost caused by grease can be avoided, the structure of the bearing chamber 22 can be simplified, corresponding parts for grease lubrication do not need to be arranged, and the self-lubricating bearing is matched with the shaft cooling channel 11, so that a shaft groove can be better cooled.

Furthermore, the self-lubricating bearing is made of metal materials, solid lubricants are distributed on the metal materials, and when the bearing is stressed during operation, the bearing can be lubricated by the bearing with micro abrasion.

The scroll compressor further comprises a housing 5, wherein the housing 5 is provided with at least one air inlet and at least one air outlet 52, the induced air part 3 is communicated with the air inlet, the cooling channel comprises a first channel arranged in the housing 5, and the bearing through groove 211 is communicated with the air outlet 52 through the first channel. By arranging the air inlet, the air guiding part 3 can guide air with relatively low temperature outside the shell 5 into the shell 5, and the crankshaft 1, the driving end bearing 21 and the bearing chamber 22 are cooled, so that a good cooling effect is achieved. Through setting up air exit 52, can be with the higher cooling gas of temperature in the casing 5 discharge, guaranteed refrigerated continuity and stability.

Further, a support body for supporting is arranged in the housing 5, and the first channel is a space formed between the driving frame 4 and the support body.

Further, in this embodiment, both the air inlet and the air outlet 52 are one, the housing 5 is provided with an air inlet chamber 51, the air inlet is disposed on the wall of the air inlet chamber 51, the external cooling air is communicated with the air inlet chamber 51 through the air inlet, and the air inlet chamber 51 is communicated with the space where the air inducing portion 3 is located.

Further, the intake chamber 51 forms an annular space around the crankshaft 1.

Furthermore, there may be a plurality of air inlet chambers 51, for example, when there are two air inlets, two air inlet chambers 51 are correspondingly disposed in the housing 5, and the air inlet chambers 51 are both communicated with the space where the air inducing portion 3 is located.

A counterweight 13 is arranged on the crankshaft 1, the counterweight 13 being located in the first channel. The counterweight 13 is disposed in the first passage, and the counterweight 13 can be cooled.

Further, the weight 13 is rotatable in the first passage.

The scroll compressor also comprises a scroll part, the space where the induced draft part 3 is located is communicated with the space where the scroll part is located through a second passage 53, the induced draft part 3 sucks cooling air outside the shell 5 from an air inlet, and the cooling air is discharged into the space where the scroll part is located through the second passage 53 and is discharged through an air outlet 52. Through setting up second passageway 53, can cool off the scroll portion, guarantee that the scroll portion temperature is not too high, prevent to lead to the trouble of scroll portion to take place because of high temperature, guarantee the life of scroll portion.

Further, the scroll portion is located on the rear side of the drive frame 4.

Further, the cooling gas enters the housing 5 from the gas inlet and then is divided into two paths, one path enters the shaft cooling channel 11, and the other path enters the second channel 53.

The air outlet 52 is provided on a side of the housing 5 remote from the second passage 53. The exhaust port 52 and the second passage 53 are provided on both sides of the casing 5, respectively, so that the scroll portion can be sufficiently cooled by the cooling air.

Further, the second passage 53 is located at the top of the housing 5, and the air outlet 52 is located at the bottom of the housing 5.

The vortex portion includes quiet dish 61 and movable disk 62, is provided with quiet broach 611 on the quiet dish 61, is provided with on the movable disk 62 and moves broach 621, and quiet broach 611 and move the broach 621 and be located cooling channel. When quiet dish 61 and movable disk 62 reciprocal motion compressed gas, can produce high temperature, make cooling gas blow to quiet broach 611 and move on the broach 621, can cool off quiet dish 61 and movable disk 62, prevent quiet broach 611 and move the broach 621 high temperature.

Further, as shown in FIG. 1, the cooling gas blows through the stationary comb teeth 611 and the moving comb teeth 621 from the top to the bottom.

Further, the cooling gas in the second channel 53 is divided into two paths, one path enters the front side of the stationary comb teeth 611, and the other path enters the rear side of the movable comb teeth 621.

The crankshaft 1 is provided with an air suction piece 12, the air suction end of the air suction piece 12 is communicated with the space where the induced draft part 3 is located, and the air exhaust end of the air suction piece 12 is communicated with the shaft cooling channel 11. Through setting up the piece 12 of breathing in, can guarantee refrigerated stability with the cold passageway 11 of axle 11 air inlet end's cooling gas introduction axle in 11.

Further, the suction member 12 is a fan, and the suction member 12 is disposed coaxially with the meander.

The air outlet 52 is provided with the air cooler 7, and the air cooler 7 is arranged outside the air outlet 52. The cooling gas with higher temperature discharged from the air outlet 52 is cooled by the gas cooler 7, so that the annular temperature of the outside of the shell 5 is prevented from rising, and the personnel can be prevented from being scalded by the cooling gas with higher temperature.

Furthermore, a cooling pipeline is arranged in the gas cooler 7, and cold water is introduced into the cooling pipeline.

The bearing chamber 22 is provided with a bearing chamber through-flow groove 221, the bearing chamber through-flow groove 221 extending from an upstream end of the bearing chamber 22 to a downstream end of the bearing chamber 22. Through setting up bearing chamber through-flow groove 221, can make the better cooling wind energy that gets into in the bearing chamber 22 cool off bearing chamber 22 and drive end bearing 21, also more do benefit to cooling air discharge bearing chamber 22, guarantee the unobstructed of cooling air, increaseed circulation heat radiating area simultaneously, be favorable to drive end bearing 21 heat effluvium more.

In this embodiment, the bearing chamber through-flow grooves 221 are uniformly provided on the inner wall of the bearing chamber 22.

In this embodiment, the bearing chamber flow grooves 221 are 4, the bearing chamber flow grooves 221 are obliquely arranged on the inner wall of the bearing chamber 22, and the 4 bearing chamber flow grooves 221 are arc-shaped grooves.

Further, the length, angle and depth of the flow grooves 221 of the 4 bearing chambers are all the same.

Embodiment 2 is different from the above embodiments in that the scroll compressor further includes a drive frame 4, the drive frame 4 is provided with a drive shaft 41, a bearing chamber 22 is provided in the drive end of the crankshaft 1, the drive shaft 41 extends into the bearing chamber 22, and a drive end bearing 21 is provided between the crankshaft 1 and the drive shaft 41. By providing the bearing chamber 22 on the crankshaft 1 and the drive shaft 41 on the drive frame 4, the drive shaft 41 can be disposed with a gap in the bearing chamber 22 on the crankshaft 1.

Further, the bearing chamber 22 is provided coaxially with the crankshaft 1.

Further, the drive shaft 41 is clearance fit with the drive end shaft slot.

In embodiment 3, as shown in fig. 6, 4 bearing flow grooves 211 are provided in the drive end bearing 21, and the difference from the above embodiment is that the bearing flow grooves 211 are provided in the outer wall at an angle different from zero with respect to the generatrices of the drive end bearing 21.

In embodiment 4, as shown in fig. 7, 4 bearing flow grooves 211 are provided in the drive end bearing 21, and the difference from the above embodiment is that the bearing flow grooves 211 are provided on the inner wall of the drive end bearing 21 in the direction of the generatrix of the drive end bearing 21, and the 4 bearing flow grooves 211 are straight grooves.

In embodiment 5, as shown in fig. 8, 4 bearing flow grooves 211 are provided in the drive end bearing 21, and the difference from the above embodiment is that the bearing flow grooves 211 are provided in the outer wall of the drive end bearing 21 at an angle different from zero with respect to the generatrices of the drive end bearing 21, and the 4 bearing flow grooves 211 are triangular grooves.

It should be noted that the bearing through-flow groove 211 may be, but is not limited to, a circular groove, a square groove, a triangular groove, etc., and the groove may be, but is not limited to, a spiral groove, a straight groove, a skewed groove, etc., but it is necessary to ensure that both ends of the bearing through-flow groove 211 extend to the upstream end and the downstream end of the drive end bearing 21, respectively.

The scroll compressor provided by the embodiment of the invention can enhance the heat dissipation capacity of the drive end bearing 21 and ensure that the temperature of the drive end bearing 21 is normal during operation.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. A scroll compressor is characterized by comprising a crankshaft (1), wherein a driving end bearing (21) is arranged on the crankshaft (1), a bearing through groove (211) is arranged on the driving end bearing (21), a cooling channel is arranged in the scroll compressor and is communicated with the bearing through groove (211), and a cooling medium in the cooling channel penetrates through the bearing through groove (211) to cool the driving end bearing (21);

the cooling channel comprises a shaft cooling channel (11) arranged in the crankshaft (1), the driving end bearing (21) is arranged in a bearing chamber (22), and the shaft cooling channel (11) is communicated with the bearing through flow groove (211).

2. The scroll compressor of claim 1, wherein the bearing throughflow groove (211) is provided on an inner wall and/or an outer wall of the drive end bearing (21).

3. The scroll compressor of claim 2, wherein the bearing throughflow groove (211) is plural, the plural bearing throughflow grooves (211) being evenly distributed on an inner wall and/or an outer wall of the drive end bearing (21), the bearing throughflow groove (211) extending from an upstream end of the drive end bearing (21) to a downstream end of the drive end bearing (21).

4. The scroll compressor according to claim 1, further comprising a wind induction portion (3), a space where the wind induction portion (3) is located communicates with the shaft cooling passage (11), the wind induction portion (3) being configured to introduce cooling wind into the shaft cooling passage (11).

5. The scroll compressor according to claim 1, further comprising a drive frame (4), wherein a drive shaft (41) is provided on the drive frame (4), wherein the bearing chamber (22) is provided on the drive shaft (41), wherein the crankshaft (1) protrudes into the bearing chamber (22), and wherein the drive end bearing (21) is located between the crankshaft (1) and the drive shaft (41).

6. The scroll compressor of claim 1, further comprising a drive frame (4), a drive shaft (41) being disposed on the drive frame (4), the bearing chamber (22) being disposed in a drive end of the crankshaft (1), the drive shaft (41) extending into the bearing chamber (22), the drive end bearing (21) being located between the crankshaft (1) and the drive shaft (41).

7. The scroll compressor of claim 1, wherein the drive end bearing (21) is a self-lubricating bearing.

8. The scroll compressor of claim 4, further comprising a housing (5), wherein the housing (5) is provided with at least one air inlet and at least one air outlet (52), the air inducing portion (3) is communicated with the air inlet, the cooling channel comprises a first channel disposed in the housing (5), and the bearing throughflow groove (211) is communicated with the air outlet (52) through the first channel.

9. A scroll compressor according to claim 8, wherein a counterweight (13) is provided on the crankshaft (1), the counterweight (13) being located in the first passage.

10. The scroll compressor according to claim 8, further comprising a scroll portion, wherein a space where the air inducing portion (3) is located communicates with a space where the scroll portion is located through a second passage (53), and the air inducing portion (3) sucks cooling air outside the housing (5) from the air inlet, discharges the cooling air into the space where the scroll portion is located through the second passage (53), and discharges the cooling air through the air discharge port (52).

11. A scroll compressor according to claim 10, wherein the air outlet (52) is provided at a side of the housing (5) remote from the second passage (53).

12. The scroll compressor of claim 10, wherein the scroll portion comprises a static disc (61) and a moving disc (62), wherein static comb teeth (611) are arranged on the static disc (61), moving comb teeth (621) are arranged on the moving disc (62), and wherein the static comb teeth (611) and the moving comb teeth (621) are located in the cooling channel.

13. The scroll compressor of claim 4, wherein a suction member (12) is provided on the crankshaft (1), a suction end of the suction member (12) communicates with a space where the induced draft part (3) is located, and a discharge end of the suction member (12) communicates with the shaft cooling passage (11).

14. The scroll compressor of claim 8, wherein a gas cooler (7) is provided at the air outlet (52).

15. The scroll compressor according to claim 14, wherein the gas cooler (7) is disposed outside the air discharge outlet (52).

16. A scroll compressor according to claim 1, wherein the bearing chamber (22) is provided with a bearing chamber flow passage groove (221), the bearing chamber flow passage groove (221) extending from an upstream end of the bearing chamber (22) to a downstream end of the bearing chamber (22).

17. The scroll compressor of claim 16, wherein the bearing chamber throughflow groove (221) is uniformly disposed on an inner wall of the bearing chamber (22).

18. The scroll compressor of claim 17, wherein the bearing chamber vent groove (221) is at an angle other than zero with a generatrix of the bearing chamber (22).

19. The scroll compressor of claim 1, wherein the bearing flow passing groove (211) is disposed on an inner wall of the drive end bearing (21), the bearing flow passing groove (211) has a non-zero included angle with a generatrix of the drive end bearing (21), and a cross section of the bearing flow passing groove (211) is arc-shaped.

20. The scroll compressor of claim 1, wherein the bearing flow passing groove (211) is disposed on an outer wall of the drive end bearing (21), the bearing flow passing groove (211) has a non-zero included angle with a generatrix of the drive end bearing (21), and a cross section of the bearing flow passing groove (211) is arc-shaped.

21. The scroll compressor according to claim 1, wherein the bearing throughflow groove (211) is provided on an inner wall of the drive end bearing (21), the bearing throughflow groove (211) is provided along a generatrix of the drive end bearing (21), and a cross section of the bearing throughflow groove (211) is a rectangle lacking one side.

22. The scroll compressor of claim 1, wherein the bearing flow groove (211) is disposed on an inner wall of the drive end bearing (21), the bearing flow groove (211) has a non-zero included angle with a generatrix of the drive end bearing (21), and a cross section of the bearing flow groove (211) is a triangle lacking one side.

23. A vehicle comprising a scroll compressor as claimed in any one of claims 1 to 22.