CN111561439A

CN111561439A - Compressor and air conditioner with same

Info

Publication number: CN111561439A
Application number: CN202010414152.1A
Authority: CN
Inventors: 王晶; 郑学良; 孙文娇; 赵素珍; 刘才; 高明世; 魏会军; 陈华杰
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai; Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-08-21
Anticipated expiration: 2040-05-15
Also published as: CN111561439B

Abstract

The invention provides a compressor and an air conditioner with the same, wherein the compressor comprises a stator core and a liquid separator, a plurality of stator grooves are formed in the peripheral surface of the stator core, and at least one of the stator grooves is provided with a reinforcing member; the liquid separator is connected with the compressor shell; the stator groove provided with the reinforcing piece is located between the inner circles of the liquid distributor and the stator iron core. The invention solves the problem that the vibration response of the liquid distributor of the compressor of the air conditioner in the prior art is larger, thereby causing larger noise of the air conditioner.

Description

Compressor and air conditioner with same

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a compressor and an air conditioner with the same.

Background

The problem of noise of the air conditioner is one of the most direct performance experiences, the noise of the compressor of the air conditioner outdoor unit, the vibration noise of the shell and the vibration noise of the liquid distributor caused by the vibration of the compressor are the main sources of the outdoor noise, and the problems of electromagnetic vibration and noise of the motor of the compressor and the noise of the structure of the compressor also become the main concerns in the refrigeration and air conditioning industry. Besides directly influencing the experience performance of the air conditioner, the vibration and the noise of the compressor also influence the overall performance of the air conditioner, such as service life and operational reliability.

The motor is used as a core component of the compressor, the structural design of the motor and the response of a compressor liquid separator directly influence the overall performance of the compressor, including the influence on the vibration noise of the compressor, the oil circulation rate, the energy efficiency of the compressor, the reliability of the compressor and the like, but the design of the stator rigidity of the motor of the compressor and the flow area of a groove between the stator and a shell are mutually restricted, and the vibration response of the liquid separator is also influenced, so that the higher the rigidity of the motor is, the lower the noise of the motor is, the better the vibration of the liquid separator is, the larger the flow area of the motor is, but the flow area of the groove between the stator and the shell of the motor is improved, the rigidity of the stator of the motor is reduced, the vibration of the motor is large, the vibration of the, the area of a stator circulation hole needs to be reduced, but the oil circulation rate of the compressor is reduced, so that the compressor with low vibration of a liquid separator, low noise and high oil circulation rate is a research target of the industry.

The motor adopts a winding paint dipping technology to bond loose windings together, which can only improve the tightness of the windings, can not improve the structural rigidity of the stator, can not solve the noise caused by poor structural rigidity of the compressor, and can not improve the efficiency of the compressor.

Disclosure of Invention

The invention mainly aims to provide a compressor and an air conditioner with the same, and aims to solve the problem that the vibration response of a liquid distributor of the compressor of the air conditioner in the prior art is large, so that the noise of the air conditioner is large.

In order to achieve the above object, according to one aspect of the present invention, there is provided a compressor including a stator core and a liquid separator, the stator core being provided on an outer circumferential surface thereof with a plurality of stator grooves, at least one of the plurality of stator grooves being provided with a reinforcing member; the liquid separator is connected with the compressor shell; the stator groove provided with the reinforcing piece is located between the inner circles of the liquid distributor and the stator iron core.

Furthermore, the stator groove provided with the reinforcing member is positioned on a connecting line between the geometric center of the liquid separator and the circle center of the stator core.

Furthermore, the stator groove provided with the reinforcing member is arranged in a sector area on the stator core, the vertex of the sector area is the circle center of the stator core, and the geometric center line of the sector area is a connecting line between the geometric center of the liquid separator and the circle center of the stator core.

Furthermore, the angle of the sector area is Z, wherein Z is more than or equal to 0.02 and less than or equal to 360 degrees and less than or equal to 0.4.

Furthermore, the liquid distributor is provided with a liquid distributor shell, the area of the cross section of the liquid distributor shell is T, the total area of the cross sections of the reinforcing members is Y, and Y/T is more than or equal to 0.2.

Furthermore, at least one of the stator grooves is provided with a reinforcing member, the rest stator grooves are not provided with the reinforcing member, the total area of the cross sections of the stator grooves is X, and Y/X is more than or equal to 0.7 and more than or equal to 0.1.

Further, (X-Y)/K is more than or equal to 3, wherein K is the pump body displacement of the compressor and the unit is cc.

Furthermore, a reinforcing piece is arranged in one part of the stator groove, and a through passage for introducing a refrigerant and lubricating oil is formed in the other part of the stator groove.

Further, the reinforcing members are filled on the same side or different sides of the geometric center line in the radial direction of the stator groove, or the reinforcing members are filled uniformly outward in the radial direction of the stator core.

Further, the compressor also comprises a motor shell, the motor shell is sleeved on the outer peripheral side of the stator core, one side of the reinforcing member is connected with the motor shell, and the other side of the reinforcing member and the groove wall of the stator groove are arranged with a distance to form a through passage.

Furthermore, the stator groove is filled with a reinforcing piece, and a through passage for introducing a refrigerant and lubricating oil is arranged in the middle of the reinforcing piece.

Furthermore, the area of the cross section of the single through passage is W, the area of the cross section of the single stator groove is V, and the ratio of W/V to V is more than or equal to 0.8 and more than or equal to 0.2.

Further, the total area of the through passage is U, wherein U/K is more than or equal to 2.5.

Furthermore, a plurality of stator grooves are arranged in the fan-shaped area, a connecting line is arranged between the geometric center of at least one liquid passing device in the plurality of stator grooves and the circle center of the stator core, reinforcing members are arranged in the stator grooves, and a through passage is formed between each reinforcing member and the groove wall of each stator groove.

Furthermore, the cross section of the through passage is circular, elliptical or polygonal.

According to another aspect of the present invention, there is provided an air conditioner including a compressor, the compressor being the above-mentioned compressor.

By applying the technical scheme of the invention, the reinforcing member is arranged in the stator groove between the liquid distributor and the inner circle of the stator iron core, so that the reinforcing member plays a role in improving the rigidity of the stator iron core, and is beneficial to reducing the vibration of the motor, thereby reducing the vibration of the compressor shell, especially the vibration of the compressor shell at the position connected with the liquid distributor, thereby reducing the vibration of the liquid distributor in the radial direction and the tangential direction, namely reducing the vibration response of the liquid distributor, further achieving the purpose of reducing the noise of the compressor, and further achieving the purpose of improving the comprehensive performance of the compressor.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view illustrating a compressor of an air conditioner according to a first embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a compressor of an air conditioner according to a second embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a compressor of an air conditioner according to a third embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a compressor of an air conditioner according to a fourth embodiment of the present invention;

fig. 5 is a schematic structural view illustrating a compressor of an air conditioner according to a fifth embodiment of the present invention;

fig. 6 is a schematic structural view illustrating a compressor of an air conditioner according to a sixth embodiment of the present invention;

fig. 7 is a schematic structural view illustrating a compressor of an air conditioner according to a seventh embodiment of the present invention;

fig. 8 is a schematic structural view illustrating a compressor of an air conditioner according to an eighth embodiment of the present invention;

fig. 9 is a schematic structural view illustrating a compressor of an air conditioner according to a ninth embodiment of the present invention;

FIG. 10 shows a graph of noise contrast within 1000Hz for a prior art compressor and a compressor provided herein;

FIG. 11 is a graph showing a comparison of tangential vibration acceleration of the liquid separators of a prior art compressor and a compressor of the present application;

fig. 12 shows a graph comparing the radial vibration acceleration of the liquid separator of the compressor of the present application with that of the prior art.

Wherein the figures include the following reference numerals:

10. a stator core; 11. a stator groove; 20. a reinforcement; 30. a liquid separator; 31. a dispenser housing; 111. a through passage; 40. a motor housing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

In order to solve the problem that vibration response of a liquid distributor of a compressor of an air conditioner in the prior art is large, so that noise of the air conditioner is large, the invention provides the compressor and the air conditioner, wherein the air conditioner comprises the compressor, and the compressor is the compressor.

As shown in fig. 1 to 9, the compressor includes a stator core 10 and a liquid separator 30, a plurality of stator recesses 11 are provided on an outer circumferential surface of the stator core 10, and at least one of the plurality of stator recesses 11 is provided with a reinforcing member 20; the liquid separator 30 is connected to the compressor housing; wherein the stator recess 11 provided with the reinforcement 20 is located between the liquid separator 30 and the inner circle of the stator core 10.

Through setting up reinforcement 20 in the stator recess 11 between the inner circle that is located knockout 30 and stator core 10, thus, reinforcement 20 has played the effect that improves stator core 10's rigidity, be favorable to reducing the vibration of motor, thereby reduce the vibration of compressor housing, especially with the vibration of the compressor housing of knockout 30 hookup location department, thereby the vibration of knockout 30 in radial direction and tangential direction has been reduced, the vibration response of knockout 30 has been reduced promptly, thereby reach the purpose that reduces the noise of compressor, and then realize the purpose that improves the comprehensive properties of compressor.

It should be noted that in the present application, the stator recess 11 provided with the reinforcement 20 is located on a line connecting the geometric center of the liquid separator 30 and the center of the stator core 10. In this way, it is ensured that the mounting position of the reinforcing members 20 is as close as possible to the liquid distributor 30, so that the vibration response of the liquid distributor 30 is effectively reduced.

Alternatively, the stator groove 11 provided with the reinforcing member 20 is opened in a sector area on the stator core 10, the vertex of the sector area is the center of the stator core 10, and the geometric center line of the sector area is the connecting line between the geometric center of the liquid separator 30 and the center of the stator core 10. In this way, the rigidity of the motor can be effectively increased while ensuring that the mounting position of the reinforcing member 20 is as close as possible to the dispenser 30.

Optionally, the sector has an angle Z, wherein 0.02 ≦ Z/360 ≦ 0.4. Like this, through optimizing the angle in fan-shaped region to be Z, avoid leading to the reinforcement 20 can't play the effect that improves the rigidity of motor because of fan-shaped region's angle is Z undersize, can also avoid leading to the reinforcement 20 to be far away with the distance of the geometric center of knockout 30 because of fan-shaped region's angle is Z oversize.

As shown in FIGS. 1 to 9, the liquid distributor 30 has a distributor housing 31, the cross-sectional area of the distributor housing 31 is T, and the total cross-sectional area of the reinforcing members 20 is Y, wherein Y/T ≧ 0.2. Thus, it is advantageous to reduce the vibration response of the liquid distributor 30, increase the difference between the modal frequency of the compressor housing and the first-order modal frequency of the vibration response of the liquid distributor 30, and effectively avoid the problem that the noise of the compressor housing connected to the liquid distributor 30 is large due to the large vibration response of the liquid distributor 30, thereby reducing the overall vibration noise of the compressor.

Optionally, at least one of the plurality of stator grooves 11 is provided with the reinforcing member 20, the remaining stator grooves 11 are not provided with the reinforcing member 20, and the total area of the cross sections of the plurality of stator grooves 11 is X, wherein Y/X is more than or equal to 0.7 and more than or equal to 0.1. Thus, the reinforcing member 20 arranged in the stator groove 11 can improve the rigidity of the stator, so that the vibration of the motor is reduced, and the vibration amplitude of the liquid distributor 30 is reduced; the stator groove 11 without the reinforcing member 20 can be used as a circulation flow path of refrigerant and lubricating oil of the compressor, so that the oil circulation rate of the compressor is ensured, and the reliability of the compressor is improved.

Optionally, (X-Y)/K ≧ 3, where K is the pump displacement of the compressor in cc. Like this, ensure that the compressor that this application provided can be to refrigerant flow area's demand under the condition that different discharge capacities require to guarantee the oil circulation rate of compressor, and then improve the reliability of compressor.

Optionally, a reinforcing member 20 is disposed in a part of the stator recess 11, and a through passage 111 for passing a cooling medium and a lubricating oil is formed in another part of the stator recess 11.

Alternatively, the reinforcing members 20 are filled on the same side or different sides of the geometric center line of the radial direction of the stator slot 11, or the reinforcing members 20 are filled uniformly outward in the radial direction of the stator core 10. Like this, when guaranteeing that stator core 10's weight distribution is even, can also guarantee that stator core 10's rigidity can evenly promote to guarantee that the vibration of compressor on the circumferencial direction is more even, and then reach the purpose that reduces the vibration peak value of compressor.

Alternatively, the compressor further includes a motor housing 40, the motor housing 40 is sleeved on the outer circumferential side of the stator core 10, one side of the reinforcing member 20 is connected to the motor housing 40, and the other side of the reinforcing member 20 is disposed with a distance from the groove wall of the stator recess 11 to form a through passage 111.

Optionally, the stator recess 11 is filled with a reinforcing member 20, and a through passage 111 for passing a cooling medium and a lubricating oil is disposed in the middle of the reinforcing member 20.

Optionally, the area of the cross section of the single through passage 111 is W, and the area of the cross section of the single stator groove 11 is V, wherein 0.8 ≧ W/V ≧ 0.2. Thus, the oil circulation rate of the compressor is ensured, and the noise reduction effect of the compressor can be ensured to be optimal.

In the present application, the total area of the through passages 111 is U, where U/K is 2.5 or more. Thus, the oil circulation rate of the compressor is improved on the premise of ensuring the smooth refrigerant flow path.

Optionally, a plurality of stator grooves 11 are disposed in the sector region, a connection line between a geometric center of at least one liquid passing device 30 in the plurality of stator grooves 11 and a circle center of the stator core 10 is provided, a reinforcing member 20 is disposed in each stator groove 11, and a through passage 111 is formed between the reinforcing member 20 and a groove wall of the stator groove 11.

Alternatively, the cross section of the through passage 111 is circular, elliptical, polygonal.

In the present application, the reinforcing member 20 is made of a material that is non-magnetic, resistant to corrosion by a refrigerant, resistant to high temperature, and has good insulating properties, such as: epoxy resin, etc., and further improve the reliability of the compressor.

In the present application, the reinforcing member 20 is a member capable of increasing the overall rigidity of the motor, and may be a rigid material member, an injection molded member, a gel member, a potting compound, or other members having a certain mass, which can improve the rigidity of the compressor.

As shown in fig. 10, the prior art compressor and the present application provide a graph of the noise in the frequency spectrum of the compressor within 1000 Hz.

As shown in fig. 11, a graph comparing the tangential vibration acceleration of the liquid separator of the compressor of the prior art and the compressor of the present application.

Fig. 12 is a graph showing the radial vibration acceleration of the liquid separator in the conventional compressor and the compressor of the present application in comparison.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

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:

the stator comprises a stator core (10), wherein a plurality of stator grooves (11) are formed in the outer peripheral surface of the stator core (10), and a reinforcing member (20) is arranged in at least one of the plurality of stator grooves (11);

a liquid distributor (30), wherein the liquid distributor (30) is connected with the compressor shell;

wherein the stator groove (11) provided with the reinforcement (20) is located between the liquid distributor (30) and the inner circle of the stator core (10).

2. Compressor according to claim 1, characterized in that the stator recess (11) provided with the reinforcement (20) is located on a line between the geometric center of the liquid separator (30) and the center of the stator core (10).

3. Compressor according to claim 1 or 2, characterized in that the stator recess (11) provided with the reinforcement (20) opens into a sector on the stator core (10), the apex of which is the centre of the stator core (10), the geometric centre line of which is the line between the geometric centre of the liquid separator (30) and the centre of the stator core (10).

4. The compressor of claim 3, wherein the sector has an angle Z, wherein 0.02 ≦ Z/360 ≦ 0.4.

5. Compressor according to claim 1, characterized in that the liquid distributor (30) has a distributor housing (31), the cross-sectional area of the distributor housing (31) being T and the total cross-sectional area of the stiffeners (20) being Y, wherein Y/T ≧ 0.2.

6. Compressor according to claim 1, characterized in that at least one of the stator grooves (11) is provided with said reinforcement (20), the remaining stator grooves (11) are not provided with said reinforcement (20), the total area of the cross-sections of the stator grooves (11) is X, wherein 0.7. gtoreq.Y/X. gtoreq.0.1.

7. The compressor of claim 1, wherein (X-Y)/K ≧ 3, where K is pump displacement of the compressor in cc.

8. The compressor according to claim 1, wherein the reinforcement member (20) is disposed in a portion of the stator recess (11), and a through passage (111) for passing a refrigerant and a lubricating oil is formed in another portion of the stator recess (11).

9. The compressor according to claim 8, wherein the reinforcing members (20) are filled on the same side or different sides of a geometric center line of the stator groove (11) in a radial direction, or the reinforcing members (20) are uniformly filled outward in the radial direction of the stator core (10).

10. The compressor according to claim 8, further comprising a motor housing (40), wherein the motor housing (40) is fitted over an outer circumferential side of the stator core (10), one side of the reinforcing member (20) is connected to the motor housing (40), and the other side of the reinforcing member (20) is disposed with a distance from a groove wall of the stator recess (11) to form the through passage (111).

11. The compressor according to claim 1, wherein the stator recess (11) is filled with the reinforcement (20), and a through passage (111) for passing a refrigerant and a lubricating oil is provided in the middle of the reinforcement (20).

12. The compressor according to claim 8 or 11, wherein the area of the cross section of the single through passage (111) is W, and the area of the cross section of the single stator groove (11) is V, wherein 0.8W/V is 0.2.

13. Compressor according to claim 11, characterized in that the total area of the through passages (111) is U, where U/K ≧ 2.5.

14. A compressor according to claim 3, characterized in that a plurality of said stator grooves (11) are provided in said sector area, at least one of said plurality of stator grooves (11) passes through a line connecting a geometric center of said liquid separator (30) and a center of said stator core (10), said reinforcement member (20) is provided in each of said stator grooves (11), and a through passage (111) is formed between said reinforcement member (20) and a wall of said stator groove (11).

15. Compressor according to claim 14, characterized in that the cross section of said through passage (111) is circular, oval, polygonal.

16. An air conditioner comprising a compressor, wherein the compressor is as claimed in any one of claims 1 to 15.