CN211400353U - Compressor and air conditioner with same - Google Patents

Abstract

The application provides a compressor, including gas vent, oil and gas separator and oil tank, oil and gas separator is connected with the gas vent, and oil and gas separator's oil return opening and oil tank intercommunication, still including treating to prevent the condensation component and preventing the condensation passageway, prevent the entrance point and the oil tank intercommunication of condensation passageway, prevent that the condensation passageway is used for guiding the high temperature refrigerant entering in the oil tank and preventing the condensation passageway to improve and treat the temperature of preventing condensation component position department. According to the compressor of this application, can effectually prevent that the condensation from appearing in electric actuator, guarantee the reliability of centrifuge operation.

Description

Compressor and air conditioner with same

Technical Field

The application belongs to the technical field of air conditioners, and particularly relates to a compressor and an air conditioner with the same.

Background

At present, in large-scale commercial or industrial fields, a lot of places are selected for refrigerating by using a centrifugal machine, when the centrifugal machine set operates under a refrigerating working condition, the internal temperature of related elements on some centrifugal machine sets or compressors is much lower than that of the external part, so that the condensation phenomenon occurs on the external surfaces of some external elements, especially, like a shell at a suction port of the compressor is basically close to an evaporation temperature, the condensation phenomenon occurs on the external surface of the shell and related elements nearby the external surface, condensation water is distributed on parts of the area, and generally, the condensation does not influence the reliability of the compressor.

However, for the electrical components, when the condensation is serious, there may be a certain influence on the performance of the electric actuator, and in serious cases, the electric actuator may even fail, so that the guide vanes at the inlet of the compressor cannot be opened or closed. For a centrifugal compressor, the installation position of an electric actuator used on a centrifugal machine is generally close to an air suction port, the temperature is very low, the phenomenon of electric actuator condensation can exist, particularly, when a unit operates under the conditions of low evaporation temperature such as low-temperature refrigeration and even ice storage working conditions and the like, the condensation phenomenon can be more serious, and when the electric actuator works under a large amount of condensation water environments for a long time, as an electric element is in contact with water for a long time, the failure risk exists, so that the operation reliability of the centrifugal machine is influenced.

Therefore, how to provide a compressor capable of preventing the electric actuator from generating condensation and ensuring the operation reliability of the centrifugal machine and an air conditioner with the compressor become problems to be solved by those skilled in the art urgently.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in providing a compressor and have its air conditioner, can prevent that electric actuator from appearing the condensation, guarantees the reliability of centrifuge operation.

In order to solve the above problem, the application provides a compressor, including gas vent, oil and gas separator and oil tank, oil and gas separator with the gas vent is connected, and oil and gas separator's oil return opening and oil tank intercommunication still include:

the anti-condensation element is to be treated,

the inlet end of the anti-condensation channel is communicated with the oil tank, and the anti-condensation channel is used for guiding a high-temperature refrigerant in the oil tank to enter the anti-condensation channel and improving the temperature of the position of an element to be prevented from condensation.

Preferably, the compressor further comprises a balance pipe; the first end of the balance pipe is communicated with the oil tank, and the second end of the balance pipe is communicated to the air suction port of the compressor.

Preferably, the compressor further comprises a gas-liquid separator, and an inlet of the gas-liquid separator is communicated with the oil tank.

Preferably, the first exhaust port of the gas-liquid separator is communicated to the inlet end of the condensation preventing channel;

and/or the second exhaust port of the gas-liquid separator is communicated to the first end of the balance pipe.

Preferably, the inlet end of the anti-condensation passage communicates with the balancing pipe.

Preferably, the compressor further includes a draft tube through which the condensation preventing passage communicates with the first discharge port of the gas-liquid separator.

Preferably, at least one drainage tube is arranged, and the inlet end of each drainage tube is communicated to the first exhaust port of the gas-liquid separator; the outlet end of each drainage tube is communicated to the anti-condensation channel.

Preferably, the element to be prevented from condensation is arranged in the compressor suction cavity, and the anti-condensation channel is arranged in the compressor suction cavity.

Preferably, the anti-condensation passage is provided outside the element to be anti-condensation and extends circumferentially around an outer circumferential side of the element to be anti-condensation.

Preferably, a first bending section is arranged on the anti-condensation channel, and the inlet end of the anti-condensation channel is arranged on the first bending section;

and/or a second bending section is arranged on the condensation preventing channel, and the outlet end of the condensation preventing channel is arranged on the second bending section.

Preferably, the distance between the central axis of the first bending section and the center of the element to be prevented from condensation is a, and a is a constant;

and/or the distance between the central axis of the second bending section and the center of the element to be prevented from condensation is b, and b is constant.

Preferably, the outlet end of the anti-condensation channel is communicated to the compressor suction cavity.

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

The application provides a compressor, compressor and have its air conditioner, adopt and prevent that the high temperature refrigerant of condensation passageway guide oil tank gets into and prevents the condensation passageway to when the high temperature refrigerant circulates in preventing the condensation passageway, can improve the temperature around the electric actuator, can effectually prevent that the condensation from appearing in the electric actuator, guarantee the reliability of centrifuge operation.

Drawings

FIG. 1 is a front view of a compressor according to an embodiment of the present application;

fig. 2 is a left side view of a compressor according to an embodiment of the present application.

The reference numerals are represented as:

1. an oil tank; 2. a condensation-preventing passage; 3. a component to be protected from condensation; 4. a balance tube; 5. a drainage tube.

Detailed Description

With reference to fig. 1 in combination, a compressor according to an embodiment of the present application includes a gas exhaust port, an oil-gas separator, and an oil tank 1, where the oil-gas separator is connected to the gas exhaust port, and an oil return port of the oil-gas separator is communicated with the oil tank 1, and the compressor further includes: treat prevent condensation component 3 and prevent condensation passageway 2, prevent the entrance point and the oil tank 1 intercommunication of condensation passageway 2, prevent that condensation passageway 2 is arranged in the high temperature refrigerant entering of guide oil tank 1 prevents condensation passageway 2, and improve the temperature of treating prevent condensation component 3 position department, the oil return pipe introduces the lubricating oil in the compressor to oil tank 1, the in-process of lubricating oil return can bring the mixture of high temperature refrigerant into simultaneously, and adopt in this application to prevent that condensation passageway guide high temperature refrigerant in the oil tank gets into prevents the condensation passageway, and when the high temperature refrigerant circulates in preventing the condensation passageway, can improve the temperature around the electric actuator, can effectually prevent that the electric actuator from appearing the condensation, guarantee centrifuge operation's reliability.

Referring to fig. 1-2 in combination, the present application further discloses embodiments wherein the compressor further comprises a balance tube 4; the first end of the balance pipe 4 is communicated with the oil tank 1, and the second end is communicated with the air suction port of the compressor.

Further, the compressor also comprises a gas-liquid separator, and an inlet of the gas-liquid separator is communicated with the oil tank 1.

Further, a first exhaust port of the gas-liquid separator is communicated to an inlet end of the condensation preventing channel 2;

and/or, the second exhaust port of the gas-liquid separator is communicated to the first end of the balance pipe 4, so that liquid lubricating oil can be prevented from entering the balance pipe 4 or the anti-condensation channel 2 and further entering the air suction port of the compressor to influence the performance of the compressor.

Further, the inlet end of the anti-condensation passage 2 communicates with the balance pipe 4.

Further, the compressor also comprises a drainage tube 5, and the condensation preventing channel 2 is communicated with the first exhaust port of the gas-liquid separator through the drainage tube 5.

Further, at least one drainage tube 5 is arranged, and the inlet end of each drainage tube 5 is communicated to the first exhaust port of the gas-liquid separator; the exit end of every drainage tube 5 all communicates to preventing condensation passageway 2, and when drainage tube 5 was a plurality of, the heat was introduced to near casing internally mounted electric actuator to the multichannel, more even and effectual temperature with this region promotes, guarantees that the electric actuator surface has certain temperature, avoids appearing the condensation phenomenon, and then improves the reliability of centrifugal compressor operation.

Further, the element 3 to be prevented from condensation is arranged in the air suction cavity of the compressor, and the anti-condensation channel 2 is arranged in the air suction cavity of the compressor.

Further, prevent that condensation passageway 2 sets up in the outside of treating preventing condensation component 3 to the periphery side circumference that surrounds treating preventing condensation component 3 extends, can be more effective, more comprehensive improvement electric actuator temperature on every side, prevent the condensation phenomenon from appearing on the electric actuator.

Further, a first bending section is arranged on the anti-condensation channel 2, and the inlet end of the anti-condensation channel 2 is arranged on the first bending section;

and/or, prevent being provided with the second bending section on the condensation passageway 2, prevent that the exit end of condensation passageway 2 sets up on the second bending section.

Further, the distance between the central axis of the first bending section and the center of the element to be protected from condensation 3 is a, and a is a constant;

and/or the distance between the central axis of the second bending section and the center of the element to be prevented from being condensed is b, and b is a constant, so that the circulation time of the high-temperature refrigerant in the condensation preventing channel 2 is longer, the residence time of the condensation preventing channel 2 at the inlet and the outlet is longer, and the temperature around the electric actuator is more favorably improved.

Furthermore, the outlet end of the anti-condensation channel 2 is communicated to the compressor air suction cavity, a refrigerant can be recycled into the compressor, when the centrifugal machine operates under the refrigeration working condition, the temperature of the air suction port of the centrifugal compressor is close to the temperature of a low-temperature refrigerant in the evaporator, the low-temperature refrigerant is sucked into the compressor shell from the air suction port by the compressor and is compressed by the centrifugal impeller in the centrifugal compressor, shaft system parts such as bearings are mainly mounted in the compressor box body of the centrifugal machine, and the compressor motor is used for driving the centrifugal compressor impeller to rotate to do work. Can contain a small amount of refrigerants in the oil tank 1 during centrifuge operation, the high temperature gas-liquid mixture after refrigerant and lubricating oil mix can be volatilized through vapour and liquid separator, and vapour and liquid separator can carry out a separation with gaseous refrigerant and liquid lubricating oil, and liquid lubricating oil gets back to in the oil tank 1, and gaseous refrigerant passes through balance tube 4 and drainage tube 5 and transmits to the casing to it can to enter the induction port of compressor and compress. The heat in the balanced pipe 4 of oil tank is introduced into compressor housing through drainage tube 5 in this application prevents condensation passageway 2, and when the heat flows in preventing condensation passageway 2, the temperature that will install near electric actuator 3 on the electric actuator support improves, avoids electric actuator 3's the surface condensation phenomenon to appear. After the heat flows through the heat supply flow channel in the shell, the heat enters the air suction port of the compressor, so that the problem of condensation of the electric actuator of the centrifugal machine is solved, and the running reliability of the centrifugal machine is ensured.

According to the embodiment of the application, the air conditioner comprises a compressor, and the compressor is the compressor.

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 (13)

1. The utility model provides a compressor, includes gas vent, oil and gas separator and oil tank (1), oil and gas separator with the gas vent is connected, just oil and gas separator's oil return opening with oil tank (1) intercommunication, its characterized in that still includes:

a component (3) to be protected against condensation;

prevent condensation passageway (2), the entrance point of preventing condensation passageway (2) with oil tank (1) intercommunication, prevent condensation passageway (2) and be used for the guide high temperature refrigerant in oil tank (1) gets into prevents condensation passageway (2), and improves the temperature of treating to prevent condensation component (3) position department.

2. Compressor according to claim 1, characterized in that it further comprises a balancing pipe (4); the first end of the balance pipe (4) is communicated with the oil tank (1), and the second end of the balance pipe is communicated to a compressor suction port.

3. The compressor according to claim 2, characterized in that the compressor further comprises a gas-liquid separator, and an inlet of the gas-liquid separator is communicated with the oil tank (1).

4. A compressor according to claim 3, wherein the first discharge port of the gas-liquid separator is connected to the inlet end of the anti-condensation passage (2);

and/or a second exhaust port of the gas-liquid separator is communicated to the first end of the balance pipe (4).

5. Compressor according to claim 2, characterized in that the inlet end of the anti-condensation channel (2) communicates with the balancing duct (4).

6. The compressor according to claim 3, further comprising a draft tube (5), the anti-condensation passage (2) communicating with the first discharge port of the gas-liquid separator through the draft tube (5).

7. The compressor according to claim 6, characterized in that the draft tubes (5) are provided in at least one, and the inlet end of each draft tube (5) is connected to the first discharge port of the gas-liquid separator; the outlet end of each drainage tube (5) is communicated to the anti-condensation channel (2).

8. Compressor according to claim 1, characterized in that the element (3) to be protected against condensation is mounted in a compressor suction chamber, the passage (2) being provided in the compressor suction chamber.

9. Compressor according to claim 8, characterized in that the anti-condensation channel (2) is arranged outside the element (3) to be protected against condensation and extends circumferentially around the outer circumferential side of the element (3) to be protected against condensation.

10. The compressor according to claim 9, wherein a first curved section is provided on the anti-condensation passage (2), and the inlet end of the anti-condensation passage (2) is provided on the first curved section;

and/or a second bending section is arranged on the condensation preventing channel (2), and the outlet end of the condensation preventing channel (2) is arranged on the second bending section.

11. Compressor according to claim 10, characterized in that the distance of the central axis of the first curved section from the centre of the element (3) to be protected from condensation is a, a being constant;

and/or the distance between the central axis of the second bending section and the center of the element (3) to be prevented from condensation is b, and b is constant.

12. Compressor according to any of claims 1-11, characterized in that the outlet end of the anti-condensation channel (2) is connected to the compressor suction chamber.

13. An air conditioner comprising a compressor, wherein the compressor is as claimed in any one of claims 1 to 12.

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