CN215979908U

CN215979908U - Compressor damping assembly, compressor and vehicle-mounted air conditioner

Info

Publication number: CN215979908U
Application number: CN202122372747.8U
Authority: CN
Inventors: 符增辉; 高照源; 徐嘉; 吕浩福; 张俊杰
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-08
Anticipated expiration: 2031-09-28

Abstract

The application provides a compressor damping subassembly, compressor and on-vehicle air conditioner. The compressor vibration reduction assembly comprises a shell and a shafting assembly, wherein the shafting assembly is erected in the shell and is arranged at intervals with the inner wall of the shell; and the vibration damping piece is arranged at the interval between the shafting assembly and the inner wall of the shell, one side of the vibration damping piece is in contact with the shafting assembly, and the other side of the vibration damping piece is in contact with the inner wall of the shell. Set up shafting subassembly and casing into the interval and set up the damping piece in interval department, can realize the function of damping on the shafting subassembly, the vibration transmission obtains the decay for the vibration of shafting subassembly obtains reducing, and the noise also reduces, very big reduction compressor vibration, and the compressor operation is more steady and reliable.

Description

Compressor damping assembly, compressor and vehicle-mounted air conditioner

Technical Field

The application belongs to the technical field of vehicle-mounted air conditioners, and particularly relates to a compressor vibration reduction assembly, a compressor and a vehicle-mounted air conditioner.

Background

The conventional vehicle-mounted air conditioner compressor shafting component has no vibration reduction function. With the development of the compressor technology of the vehicle air conditioner, the compressor with higher and higher rotating speed is demanded in the market, the problem of large vibration is generally caused by the high rotating speed, and the large vibration of the compressor is caused by the fact that the motor assembly is transmitted to the shafting assembly and then transmitted to other components by the shafting assembly. The existing vibration reduction technical means is that a proper balance block is arranged on a crankshaft in a shafting assembly and is used for eliminating the vibration problem caused by the eccentric rotation of the crankshaft; however, the vibration transmitted by the motor assembly to the support structure of the shafting assembly is not reduced, and even the problem of motor bore sweeping may occur.

SUMMERY OF THE UTILITY MODEL

Therefore, the application provides a compressor damping subassembly, compressor and on-vehicle air conditioner, can solve the problem of motor element via bearing structure transmission vibration among the prior art.

In order to solve the above problems, the present application provides a compressor vibration damping assembly, including:

the shafting assembly is erected in the shell and is arranged at intervals with the inner wall of the shell;

and the vibration damping piece is arranged at the interval between the shafting assembly and the inner wall of the shell, one side of the vibration damping piece is in contact with the shafting assembly, and the other side of the vibration damping piece is in contact with the inner wall of the shell.

Optionally, the shafting assembly comprises a bracket on which a crankshaft can be erected; the damping piece includes first damping piece, first damping piece is established the support periphery wall with between the shells inner wall.

Optionally, the shafting assembly further comprises a support ring, and the crankshaft is arranged between the bracket and the support ring; the damping piece comprises a second damping piece, and the second damping piece is arranged between the support ring and the inner wall of the shell.

Optionally, the first and/or second damping member is an annular structure.

Optionally, a groove is formed in the outer periphery of the shafting assembly, and the groove can accommodate a part of the vibration damper.

According to another aspect of the present application, there is provided a compressor including the compressor vibration reduction assembly as described above.

Optionally, the compressor comprises a motor assembly, the motor assembly comprises a stator, a rotor and a crankshaft, and the shafting assembly comprises the crankshaft, a bracket and a support ring; the rotor is sleeved on the crankshaft and is arranged in the stator in a matching manner, and the stator is fixedly contacted with the inner wall of the shell; the minimum distance between the rotor and the stator is S, the minimum distance between the support or the support ring and the inner wall of the shell is delta, and delta < S is met.

Optionally, the distance between the outer peripheral wall of the bracket and the inner wall of the housing is δ 1, and the distance between the outer peripheral wall of the support ring and the inner wall of the housing is δ 2, so that δ 1+ δ 2< S is satisfied.

Optionally, the coaxiality of the assembly of the shaft system of the compressor is t, the maximum deflection of the crankshaft in the motor assembly is r, and the radial clearance of the main bearing and the auxiliary bearing of the crankshaft is ρ, which satisfies the condition that S- (δ 1+ δ 2+ t + r + ρ) > 0 mm.

Alternatively, S- (δ 1+ δ 2+ t + r + ρ) > 0.3 mm.

According to still another aspect of the present application, there is provided an on-vehicle air conditioner including the compressor damping assembly as described above or the compressor as described above.

The application provides a compressor damping subassembly includes: the shafting assembly is erected in the shell and is arranged at intervals with the inner wall of the shell; and the vibration damping piece is arranged at the interval between the shafting assembly and the inner wall of the shell, one side of the vibration damping piece is in contact with the shafting assembly, and the other side of the vibration damping piece is in contact with the inner wall of the shell.

Set up shafting subassembly and casing into the interval and set up the damping piece in interval department, can realize the function of damping on the shafting subassembly, the vibration transmission obtains the decay for the vibration of shafting subassembly obtains reducing, and the noise also reduces, very big reduction compressor vibration, and the compressor operation is more steady and reliable.

Drawings

Fig. 1 is a schematic structural view of a compressor according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a shafting assembly according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of the embodiment of the present application at A in FIG. 1;

fig. 4 is a partial enlarged view of the embodiment of the present application at B in fig. 1.

The reference numerals are represented as:

1. a housing; 2. a support; 21. a first damping member; 3. a support ring; 31. a second damping member; 4. a crankshaft; 5. a stator; 6. and a rotor.

Detailed Description

Referring collectively to fig. 1-4, in accordance with an embodiment of the present application, a compressor vibration reduction assembly includes:

the device comprises a shell 1 and a shafting assembly, wherein the shafting assembly is erected in the shell 1 and is arranged at intervals with the inner wall of the shell 1;

and the vibration damping piece is arranged at the interval between the shafting component and the inner wall of the shell 1, one side of the vibration damping piece is in contact with the shafting component, and the other side of the vibration damping piece is in contact with the inner wall of the shell 1.

This application sets up the shafting subassembly at interval in casing 1 to set up the damping piece in interval department, realize that the shafting radially possesses certain flexible floating's function, can realize the function of damping on the shafting subassembly, vibration transmission obtains the decay, makes the vibration of shafting subassembly obtain reducing, and the noise also reduces, very big reduction compressor vibration, and the compressor operation is more steady and reliable.

In some embodiments, the shafting assembly comprises a bracket 2 on which a crankshaft 4 can be mounted; the damping piece comprises a first damping piece 21, and the first damping piece 21 is arranged between the peripheral wall of the support 2 and the inner wall of the shell 1.

The shafting subassembly includes the bearing structure of bent axle 4, for example including being used for setting up bent axle 4's support 2, sets up first damping piece 21 between the periphery wall of support 2 and casing 1 inner wall, can reduce the vibration transmission between shafting subassembly and the casing 1, reduces the vibration noise.

In some embodiments, the shafting assembly further comprises a support ring 3, and the crankshaft 4 is mounted between the bracket 2 and the support ring 3; the damping piece comprises a second damping piece 31, and the second damping piece 31 is arranged between the support ring 3 and the inner wall of the shell 1.

In order to improve the stability of the crankshaft 4 and the operation of the compressor, the crankshaft 4 is erected between the support 2 and the support ring 3, and meanwhile, vibration damping parts are arranged on the peripheries of the support 2 and the support ring 3, so that the vibration transmission between the shafting assembly and the shell 1 is reduced.

In some embodiments, the first damping member 21 and/or the second damping member 31 are ring-shaped structures.

The first damper 21 and the second damper 31 may be formed in a ring shape, and may form a cover-type damper with respect to the outer peripheries of the bracket 2 and the support ring 3, or may be formed in a plurality of block structures uniformly distributed in the circumferential direction, thereby achieving a damper effect.

In some embodiments, the shafting assembly is provided with a groove on the outer circumference, said groove being capable of receiving a portion of said damping member.

Set up the recess that holds the damping piece in the periphery of shafting subassembly, can improve the convenience of stability and installation.

For the above-mentioned vibration damping member, a rubber-like material having vibration damping properties or other materials having vibration damping properties can be used.

The vibration of the compressor is greatly caused by the fact that the motor is transmitted to the shafting assembly, and then transmitted to other parts through the shafting assembly.

In some embodiments, the compressor comprises a motor assembly comprising a stator 5, a rotor 6 and a crankshaft 4, said shafting assembly comprising said crankshaft 4, a bracket 2 and a support ring 3; the rotor 6 is sleeved on the crankshaft 4 and is arranged in the stator 5 in a matching manner, and the stator 5 is fixedly contacted with the inner wall of the shell 1; the minimum distance between the rotor 6 and the stator 5 is S, the minimum distance between the support 2 or the support ring 3 and the inner wall of the shell 1 is delta, and delta < S is satisfied.

The clearance between the rotor 6 and the stator 5 and the clearance between the shafting assembly and the shell 1 meet the above conditions, so that the shafting assembly can play the radial floating function and the vibration reduction function, and the problem of the chamber sweeping of the stator 5 and the rotor 6 of the motor is avoided.

In some embodiments, the distance between the outer peripheral wall of the bracket 2 and the inner wall of the housing 1 is δ 1, and the distance between the outer wall of the support ring 3 and the inner wall of the housing 1 is δ 2, which satisfies δ 1+ δ 2< S. Preferably, the coaxiality of the assembly of a shaft system of the compressor is t, the maximum deflection of a crankshaft in the motor assembly is r, and the radial clearance of the main bearing and the auxiliary bearing of the crankshaft is rho, so that the requirement that S- (delta 1+ delta 2+ t + r + rho) > 0mm is met. More preferably, S- (δ 1+ δ 2+ t + r + ρ) > 0.3 mm.

The above relation is to ensure that the motor does not generate the chamber sweeping, that is, the outer circular surface of the rotor 6 does not scrape the inner circular surface of the stator 5, and the gap between the stator 5 and the rotor 6 can be ensured, so that a certain air gap is ensured, and the motor is beneficial to noise vibration.

It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. 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 compressor vibration reduction assembly, comprising:

the device comprises a shell (1) and a shafting assembly, wherein the shafting assembly is erected in the shell (1) and is arranged at intervals with the inner wall of the shell (1);

and the vibration damping piece is arranged at the interval between the shafting component and the inner wall of the shell (1), one side of the vibration damping piece is in contact with the shafting component, and the other side of the vibration damping piece is in contact with the inner wall of the shell (1).

2. Vibration damping assembly according to claim 1, characterized in that said shafting assembly comprises a bracket (2) on which a crankshaft (4) can be erected; the vibration damping piece comprises a first vibration damping piece (21), and the first vibration damping piece (21) is arranged between the outer peripheral wall of the support (2) and the inner wall of the shell (1).

3. The compressor vibration reduction assembly according to claim 2, wherein the shafting assembly further comprises a support ring (3), and the crankshaft (4) is erected between the bracket (2) and the support ring (3); the damping piece comprises a second damping piece (31), and the second damping piece (31) is arranged between the support ring (3) and the inner wall of the shell (1).

4. Compressor damping assembly according to claim 3, characterized in that the first damping member (21) and/or the second damping member (31) are of annular configuration.

5. The compressor vibration reduction assembly of claim 1, wherein the shafting assembly is provided with a groove on an outer circumference thereof, the groove being capable of receiving a portion of the vibration reduction member.

6. A compressor comprising a compressor vibration reduction assembly as set forth in any one of claims 1-5.

7. Compressor according to claim 6, characterized in that it comprises an electric motor assembly comprising a stator (5), a rotor (6) and a crankshaft (4), said shafting assembly comprising said crankshaft (4), a bracket (2) and a support ring (3); the rotor (6) is sleeved on the crankshaft (4) and is arranged in the stator (5) in a matching manner, and the stator (5) is fixedly contacted with the inner wall of the shell (1); the minimum distance between the rotor (6) and the stator (5) is S, the minimum distance between the support (2) or the support ring (3) and the inner wall of the shell (1) is delta, and delta < S is satisfied.

8. Compressor according to claim 7, characterized in that the distance between the outer peripheral wall of the bracket (2) and the inner wall of the shell (1) is δ 1 and the distance between the outer wall of the support ring (3) and the inner wall of the shell (1) is δ 2, satisfying δ 1+ δ 2< S.

9. The compressor of claim 8, wherein the shafting assembly coaxiality of the compressor is t, the maximum deflection of a crankshaft in the motor assembly is r, the radial play of a main bearing and an auxiliary bearing of the crankshaft is p, and S- (delta 1+ delta 2+ t + r + p) > 0mm is satisfied.

10. The compressor of claim 9, wherein S- (δ 1+ δ 2+ t + r + ρ) > 0.3 mm.

11. An on-board air conditioner characterized by comprising a compressor vibration damping assembly according to any one of claims 1 to 5 or a compressor according to any one of claims 6 to 10.