CN116292183A - Compressor and air conditioner using same - Google Patents

Abstract

The invention discloses a compressor and an air conditioner using the same, wherein the compressor comprises a shell, a pump body component and a motor component which are arranged in the shell, a liquid separating component is arranged at the upper part of the shell, and a liquid storage component communicated with the liquid separating component is arranged at the lower part of the shell; the liquid distribution component is arranged at the upper part of the compressor, and the liquid storage component is arranged at a position relatively lower than the compressor, so that the gravity center of the compressor can not generate excessive change after the liquid storage device is added, the operation is more stable, and the vibration of the compressor and the noise generated by the vibration are reduced; in addition, as the liquid separating component is arranged at the upper part of the shell, the upper cover is directly acted; and, the gaseous refrigerant that produces through the branch liquid subassembly directly gets into motor assembly department, can cool down the motor, improves the availability factor of motor.

Description

Compressor and air conditioner using same

Technical Field

The invention belongs to the technical field of air conditioners, and relates to a compressor and an air conditioner using the same.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is a core component of a refrigeration system; the liquid separator is a core component of the compressor, and can temporarily store the part of the last refrigerant of the evaporator which is not completely changed into gas, so that the performance of the compressor is prevented from being influenced by liquid.

In the existing compressors, the liquid separator is generally arranged at one side of the compressor, so that the center of gravity of the compressor deviates from the center of the compressor; in the running process of the compressor, the gravity center of the compressor is easily deviated from the center of the compressor seriously due to the unbalanced force of the compressor, so that the vibration of the compressor is aggravated, and the noise of the compressor exceeds the standard.

Disclosure of Invention

In view of the above, the present invention provides a compressor and an air conditioner using the same, which solve the problem of compressor noise exceeding due to the arrangement position of the liquid separator in the conventional technology.

In order to solve the above problems, according to one aspect of the present application, an embodiment of the present invention provides a compressor, which includes a housing, a pump body assembly and a motor assembly mounted in the housing, a liquid separating assembly is disposed at an upper portion of the housing, and a liquid storage assembly communicating with the liquid separating assembly is disposed at a lower portion of the housing.

In some embodiments, the liquid separation assembly includes a first pipe, a second pipe, a cylinder and a first connecting pipe, the first pipe is arranged at one end of the cylinder for receiving a refrigerant of the compressor, the second pipe is arranged at the other end of the cylinder for conveying a gas separated from the refrigerant to the motor assembly, and the first connecting pipe is arranged at the side surface of the cylinder for conveying a liquid separated from the refrigerant to the liquid storage assembly.

In some embodiments, the second conduit is disposed at the bottom of the barrel and extends into the upper cavity of the motor assembly.

In some embodiments, the dispensing assembly further comprises a filter unit disposed within the cartridge.

In some embodiments, the liquid storage assembly comprises an upper cylinder, a lower cylinder and a second connecting pipe, wherein the upper cylinder and the lower cylinder are matched up and down to form a cavity for storing liquid, one end of the second connecting pipe is inserted into the upper cylinder, and the other end of the second connecting pipe is connected with the first connecting pipe.

In some embodiments, the reservoir assembly is located below the housing and mates with the bottom of the housing.

In some embodiments, one side of the housing has an exhaust tube in communication with the pump body assembly, and the reservoir assembly is disposed annularly outside the housing and above the exhaust tube.

In some embodiments, the pump body assembly comprises an upper flange, a crankshaft, a lower flange and a cylinder, wherein the upper flange, the lower flange and the cylinder are sequentially arranged from top to bottom, and the crankshaft sequentially penetrates through the upper flange, the lower flange and the cylinder; the upper flange is provided with a first vent hole, the cylinder is provided with a second vent hole, and the first vent hole is communicated with the second vent hole, so that gas can enter the cavity of the lower flange after passing through the first vent hole and the second vent hole.

In some embodiments, one end of the exhaust pipe is in communication with the cavity of the lower flange, and the other end extends outside the housing; and a sealing ring is arranged at the part of the exhaust pipe positioned in the shell.

According to another aspect of the present application, an embodiment of the present invention provides an air conditioner including the above compressor.

Compared with the prior art, the compressor has at least the following beneficial effects:

the compressor provided by the invention comprises a shell, a pump body assembly and a motor assembly, wherein the pump body assembly and the motor assembly are arranged in the shell, the upper part of the shell is provided with a liquid distribution assembly, and the lower part of the shell is provided with a liquid storage assembly communicated with the liquid distribution assembly; after the structure is adopted, the refrigerant from the system is firstly subjected to gas-liquid separation under the action of the liquid separation component, the separated gas enters the pump body component after passing through a gap between the motor components, is compressed under the action of the pump body component, and then is discharged out of the compressor through the exhaust pipe to enter the system; the separated liquid enters the liquid storage component and is discharged through the liquid storage component or enters the evaporator.

According to the structure, the liquid distribution assembly is arranged at the upper part of the compressor, and the liquid storage assembly is arranged at a position relatively lower than the compressor, so that compared with the traditional liquid distributor which is arranged on one side, the gravity center of the compressor can not generate excessive change after the liquid storage is added, the operation is smoother, and the vibration of the compressor and the noise generated by the unbalanced force are reduced; in addition, because the liquid separation component is arranged at the upper part of the shell, compared with the traditional compressor, the invention also avoids using an upper cover, and the liquid separation component directly plays the role of the upper cover; in addition, according to the gas transmission path, the gas refrigerant generated by the liquid separation assembly directly enters the motor assembly, so that the motor can be cooled, and the service efficiency of the motor is improved.

The air conditioner provided by the invention is designed based on the compressor, and the beneficial effects of the air conditioner are referred to as beneficial effects of the compressor and are not described in detail herein.

The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of a liquid separation assembly in a compressor according to an embodiment of the present invention;

FIG. 3 is a schematic view of a liquid storage assembly in a compressor according to an embodiment of the present invention;

FIG. 4 is a schematic view of a filter screen unit in a compressor according to an embodiment of the present invention;

FIG. 5 is a schematic view of a structure of a filter screen unit in a compressor according to an embodiment of the present invention in another direction;

FIG. 6 is a schematic view of a pump body assembly in a compressor according to an embodiment of the present invention;

fig. 7 is another structural schematic view of a compressor provided in an embodiment of the present invention;

fig. 8 is a schematic view of another structure of a liquid storage assembly in a compressor according to an embodiment of the present invention.

Wherein:

1. a liquid separation component; 2. a liquid storage component; 3. a pump body assembly; 4. a motor assembly; 5. a housing; 11. a first pipeline; 12. a second pipeline; 13. a cylinder; 14. a first connection pipe; 15. a filtering unit; 21. an upper cylinder; 22. a lower cylinder; 23. a second connection pipe; 31. an upper flange; 32. a crankshaft; 33. a lower flange; 34. a cylinder; 35. a first vent hole; 36. a second vent hole; 37. a screw; 51. an exhaust pipe; 52. a seal ring; 53. a housing body; 54. a lower cover; 131. a first cylinder; 132. and a second cylinder.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the invention, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

In the description of the present invention, it should be clear that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "vertical," "transverse," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "horizontal," and the like are used for indicating an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description of the present invention, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1

The embodiment provides a compressor, as shown in fig. 1-8, the compressor comprises a shell 5, a pump body assembly 3 and a motor assembly 4, wherein the pump body assembly 3 and the motor assembly 4 are arranged in the shell 5, a liquid separating assembly 1 is arranged at the upper part of the shell 5, and a liquid storage assembly 2 communicated with the liquid separating assembly 1 is arranged at the lower part of the shell 5.

Specifically, the liquid separating component 1 and the liquid storing component 2 in the embodiment form a traditional liquid separator, and are used for temporarily storing the part of the last refrigerant of the evaporator which is not completely changed into gas, so that the performance of the compressor is prevented from being influenced by liquid; in this embodiment, the pump body assembly 3 and the motor assembly 4 are arranged up and down, and the motor assembly 4 is located above the pump body assembly 3, the housing 5 is a housing body 53 disposed at two sides of the pump body assembly 3 and the motor assembly 4, and a lower cover 54 disposed at the bottom of the compressor, the liquid separating assembly 1 is located above the housing body 53, and the liquid storing assembly 2 is located at a position relatively lower than the housing body 53.

After adopting the structure, the refrigerant from the system is firstly subjected to gas-liquid separation under the action of the liquid separation assembly 1, the separated gas firstly enters the upper cavity of the motor assembly 4, then enters the pump body assembly 3 through the flow holes on the rotor of the motor assembly 4, the gaps between the stator and the rotor, the enamelled wire gaps, the stator trimming and the like, is compressed under the action of the pump body assembly 3, and then is discharged out of the compressor through the exhaust pipe 51 and enters the system; the separated liquid enters the liquid storage component 2 and is discharged through the liquid storage component 2 or enters the evaporator.

As can be seen from the above structure, in this embodiment, the liquid separating assembly 1 is disposed at the upper portion of the compressor, and the liquid storing assembly 2 is disposed at a position relatively lower than the compressor, and this arrangement mode is compared with the single-side arrangement of the conventional liquid separator, so that the center of gravity of the compressor will not change too much after the liquid storing device is added, and the operation is smoother, thereby reducing the vibration of the compressor and the noise generated thereby due to the unbalanced force; in addition, in this embodiment, since the liquid separating component 1 is disposed at the upper portion of the housing 5, compared with the conventional compressor, the use of an upper cover is avoided, and the liquid separating component 1 directly plays a role of the upper cover; moreover, as can be seen from the gas transmission path in the embodiment, the gas refrigerant generated by the liquid separation assembly 1 directly enters the motor assembly 4, so that the motor can be cooled, and the service efficiency of the motor is improved.

In a specific embodiment, as shown in fig. 2, the liquid separating assembly 1 includes a first pipeline 11, a second pipeline 12, a cylinder 13, and a first connecting pipe 14, the first pipeline 11 is disposed at one end of the cylinder 13 for receiving a refrigerant of a compressor, the second pipeline 12 is disposed at the other end of the cylinder 13 for conveying a gas separated from the refrigerant to the motor assembly 4, and the first connecting pipe 14 is disposed at a side surface of the cylinder 13 for conveying a liquid separated from the refrigerant into the liquid storing assembly 2.

More specifically, the cylinder 13 includes a first cylinder 131 located above and a second cylinder 132 located below, the inner diameter of the lower end of the first cylinder 131 being larger than the inner diameter of the upper end of the second cylinder 132, so that the lower end of the first cylinder 131 can wrap the upper end of the second cylinder 132; of course, the first cylinder 131 and the second cylinder 132 may be fixed together by other methods, for example, direct welding, and in order to ensure the firmness of the connection between the two, a fixing plate may be additionally added to the outer ring of the connection.

The upper end of the first cylinder 131 is provided with a first notch, the first pipeline 11 is inserted into the first notch, one end of the first pipeline 11 can receive a refrigerant from an air conditioner system, and the other end of the first pipeline 11 guides the refrigerant into the cylinder 13; the lower end of the second cylinder 132 is provided with a second notch, the second pipeline 12 is inserted into the second notch, one end of the second pipeline 12 can receive gas generated after gas-liquid separation by the liquid separation assembly 1, the other end of the second pipeline 12 can transmit the gas into the upper cavity of the motor assembly 4, and the second pipeline 12 is a steel pipe; in addition, a third gap is formed on one side of the second cylinder 132, the first connecting tube 14 is disposed in the third gap, one end of the first connecting tube 14 can receive the liquid generated after the gas-liquid separation of the liquid separating assembly 1, and the other end of the first connecting tube 14 can transmit the liquid into the liquid storing assembly 2.

In a specific embodiment, the second conduit 12 is arranged at the bottom of the cylinder 13 and extends into the upper chamber of the motor assembly 4. More specifically, the second pipe 12 is disposed at the bottom of the second cylinder 132; in this way, the air suction pipe (i.e. the second pipeline 12) of the compressor is arranged at the lower part of the second cylinder 132, so that the air inlet is directly led to the upper cavity of the motor assembly 4, the motor assembly 4 can be cooled, and the efficiency of the motor is improved; the gas then flows through the flow holes on the motor rotor, the gaps between the stator and the rotor, the enamelled wire gaps, the stator trimming to the lower cavity of the motor assembly 4, and then enters the pump body assembly 3 for compression.

In a specific embodiment, as shown in fig. 2, 5 and 6, the liquid separation assembly 1 further comprises a filter unit 15, and the filter unit 15 is disposed in the cylinder 13; more specifically, the filter unit 15 includes a filter screen and a bracket, on which the filter screen is fixed; in this embodiment, the filtering unit 15 is disposed in the cylinder 13 of the liquid separating component 1, the filtering unit 15 is separated from the liquid storing component 2, and the liquid storing component 2 is disposed at a position close to the exhaust pipe 51 or at the bottom of the compressor, so as to reduce the gravity center of the liquid separator, and further reduce the whole gravity center of the compressor, so as to avoid the problem that the service life of the compressor and the satisfaction of customers are affected due to the fact that the noise vibration of the compressor is larger because the gravity center of the compressor is higher.

In a specific embodiment, as shown in fig. 3 and 8, the liquid storage assembly 2 includes an upper cylinder 21, a lower cylinder 22, and a second connection pipe 23, where the upper cylinder 21 and the lower cylinder 22 are vertically matched to form a cavity for storing liquid, and one end of the second connection pipe 23 is inserted into the upper cylinder 21, and the other end is connected with the first connection pipe 14; more specifically, one end of the second connection pipe 23 is fixed to the first connection pipe 14 by welding; as shown in fig. 3, the inner diameter of the lower section of the upper cylinder 21 is smaller than the inner diameter of the lower cylinder 22, so that the upper cylinder 21 can be sleeved in the lower cylinder 22 to realize close fit; of course, as shown in fig. 8, the inner diameter of the lower section of the upper cylinder 21 may be larger than the inner diameter of the lower cylinder 22, so that the upper cylinder 21 may wrap the lower cylinder 22.

In a specific embodiment, as shown in fig. 7, the liquid storage assembly 2 is located below the housing 5 and is matched with the bottom of the housing 5. That is, in this embodiment, the housing 5 includes only side plates on both sides, the liquid storage assembly 2 also provides a bottom shell for the whole compressor in terms of realizing liquid storage, and the liquid separation assembly 1 provides a top shell for the whole compressor in terms of realizing liquid separation.

In a specific embodiment, as shown in fig. 1, one side of the housing 5 is provided with an exhaust pipe 51 communicated with the pump body assembly 3, and the liquid storage assembly 2 is annularly arranged outside the housing 5 and above the exhaust pipe 51; that is, in the present embodiment, the upper cylinder 21 and the lower cylinder 22 are both sleeved on the housing 5, and the entire liquid storage assembly 2 is located above the exhaust pipe 51 and is disposed close to the exhaust pipe 51.

In a specific embodiment, as shown in fig. 4, the pump body assembly 3 includes an upper flange 31, a crankshaft 32, a lower flange 33, and a cylinder 34, where the upper flange 31, the lower flange 33, and the cylinder 34 are sequentially disposed from top to bottom, and the crankshaft 32 sequentially passes through the upper flange 31, the lower flange 33, and the cylinder 34; the upper flange 31 is provided with a first vent hole 35, the air cylinder 34 is provided with a second vent hole 36, and the first vent hole 35 is communicated with the second vent hole 36, so that gas can enter the cavity of the lower flange 33 after passing through the first vent hole 35 and the second vent hole 36; more specifically, the upper flange 31 and the cylinder 34, and the lower flange 33 and the cylinder 34 are fixedly assembled by screws 37; in addition, the lower flange 33 has an exhaust valve plate, and when the pressure of the refrigerant is higher than the back pressure of the exhaust valve plate, the exhaust valve plate is pushed open.

In a specific embodiment, as shown in fig. 1, one end of the exhaust pipe 51 is communicated with the cavity of the lower flange 33, and the other end extends out of the housing 5; and a portion of the exhaust pipe 51 located in the housing 5 is provided with a seal ring 52.

The working principle of the compressor provided by the embodiment is as follows:

the refrigerant from the air conditioner system is subjected to gas-liquid separation through the liquid separation assembly 1, the gas at the separation part enters the upper cavity of the motor assembly 4 from the second pipeline 12 at the bottom of the cylinder 13, then flows to the lower cavity of the motor assembly 4 from the flow holes on the motor rotor, the gaps between the stator and the rotor, the enamelled wire gaps and the stator trimming edges, then enters the air suction port (namely the second air vent 36) of the air cylinder 34 from the first air vent 35 of the upper flange 31, then is compressed under the combined action of the air cylinder 34 and other pump body parts, when the pressure of the compressed refrigerant is higher than the back pressure of the air discharge valve plate on the lower flange 33, the air discharge valve plate is jacked up, then the refrigerant enters the cavity of the lower flange 33, and then is discharged from the air discharge pipe 51 on the cavity of the lower flange 33 into the air conditioner system; the separated liquid is introduced into the cavity formed by the upper cylinder 21 and the lower cylinder 22 through the first connection pipe 14 and the second connection pipe 23, and then discharged or introduced into the evaporator of the air conditioner.

The compressor provided by the embodiment cancels the upper cover of the compressor, the cylinder 13 directly plays the role of the upper cover, and is welded at the upper part of the compressor in a welding mode, so that the center of gravity of the compressor is closer to the center of the compressor, and the operation is smoother, thereby reducing the vibration of the compressor and the noise generated by unbalanced force; meanwhile, as the liquid separating component 1 is arranged on the upper part, a liquid separating bracket, a liquid separating pressing plate, a rubber pad and the like are omitted, and the cost is saved; and moreover, the bracket of the liquid dispenser is canceled, the liquid dispenser is not directly connected with the air suction pipe, and the vibration generated in the compressor is not easy to be directly transmitted to the liquid dispenser, so that the problem of large vibration of the liquid dispenser is avoided.

Moreover, the air suction pipe (i.e. the second pipeline 12) of the compressor provided by the embodiment is arranged at the lower part of the cylinder 13, the air inlet is directly led to the upper cavity of the motor assembly 4 to cool the motor, the efficiency of the motor is improved, then the motor enters the cylinder 34 through the first vent hole 35 of the upper flange 31 to be compressed, the compressed refrigerant is discharged to the cavity of the lower flange 33 through the lower flange 33, and then is discharged to the inside of the system through the exhaust pipe 51 arranged on the lower flange 33 to be circulated; in addition, in the compressor provided by the embodiment, the pump body assembly 3 is always in the low-pressure cavity, so that the pressure difference between the inner wall of the compressor shell and the external atmospheric pressure is reduced, a thinner compressor shell can be designed, and the development cost is saved.

That is, the compressor provided in this embodiment cancels the knockout support, the suction pipe and the pump body component not to be directly connected, and the vibration generated in the compressor is not easy to be directly transmitted to the knockout, so that the knockout vibration is larger; meanwhile, the gravity center of the compressor is closer to the center of the compressor and lower than the center of the compressor, so that the operation of the compressor is more stable, and the phenomenon that the vibration of the compressor is larger due to unstable gravity center is avoided.

Example 2

The present embodiment provides an air conditioner including the compressor of embodiment 1.

The air conditioner provided by the present embodiment includes the compressor of embodiment 1, and thus has all the advantages possessed by the compressor; on the basis of the beneficial effects, the air conditioner provided by the embodiment has good working performance.

In summary, it is easily understood by those skilled in the art that the above-mentioned advantageous features can be freely combined and overlapped without conflict.

The above is only a preferred embodiment of the present invention, and the present invention is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present invention still falls within the scope of the technical solution of the present invention.

Claims (10)

1. The compressor comprises a shell, and a pump body assembly and a motor assembly which are arranged in the shell, and is characterized in that a liquid distribution assembly is arranged on the upper portion of the shell, and a liquid storage assembly communicated with the liquid distribution assembly is arranged on the lower portion of the shell.

2. The compressor of claim 1, wherein the liquid separation assembly comprises a first pipeline, a second pipeline, a cylinder and a first connecting pipe, the first pipeline is arranged at one end of the cylinder and used for receiving a refrigerant of the compressor, the second pipeline is arranged at the other end of the cylinder and used for conveying gas separated from the refrigerant to the motor assembly, and the first connecting pipe is arranged at the side surface of the cylinder and used for conveying liquid separated from the refrigerant into the liquid storage assembly.

3. The compressor of claim 2, wherein the second conduit is disposed at a bottom of the cylinder and extends into an upper cavity of the motor assembly.

4. The compressor of claim 2, wherein the liquid separation assembly further comprises a filter unit disposed within the cartridge.

5. The compressor of claim 2, wherein the liquid storage assembly comprises an upper cylinder, a lower cylinder and a second connecting pipe, the upper cylinder and the lower cylinder are matched up and down to form a cavity for storing liquid, one end of the second connecting pipe is inserted into the upper cylinder, and the other end of the second connecting pipe is connected with the first connecting pipe.

6. The compressor of any one of claims 1-5, wherein the reservoir assembly is located below the housing and mates with a bottom of the housing.

7. The compressor of any one of claims 1-5, wherein one side of the housing has an exhaust tube in communication with the pump body assembly, and the reservoir assembly is annularly disposed outside the housing above the exhaust tube.

8. The compressor of claim 7, wherein the pump body assembly comprises an upper flange, a crankshaft, a lower flange, and a cylinder, the upper flange, the lower flange, and the cylinder being disposed sequentially from top to bottom, the crankshaft passing sequentially through the upper flange, the lower flange, and the cylinder; the upper flange is provided with a first vent hole, the cylinder is provided with a second vent hole, and the first vent hole is communicated with the second vent hole, so that gas can enter the cavity of the lower flange after passing through the first vent hole and the second vent hole.

9. The compressor of claim 8, wherein one end of the discharge pipe communicates with the cavity of the lower flange and the other end extends outside the housing; and a sealing ring is arranged at the part of the exhaust pipe positioned in the shell.

10. An air conditioner comprising the compressor of any one of claims 1 to 9.

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