CN214406585U - Distributor and air conditioner comprising same - Google Patents

Abstract

The application provides a distributor and air conditioner including it, including first passageway, second passageway and valve, first passageway with the second passageway sets up relatively, the valve sets up first passageway with between the second passageway, when fluid in the first passageway to the valve flows, just fluid in the first passageway is to the pressure of valve is greater than when the cracking pressure of valve, the valve is opened, so that fluid in the first passageway can flow into in the second passageway. The application provides a distributor and including its air conditioner can reduce the pressure drop that produces when the refrigerant flows through the distributor, guarantees the good operating performance of air conditioning unit.

Description

Distributor and air conditioner comprising same

Technical Field

The application belongs to the technical field of air conditioning, concretely relates to distributor and including its air conditioner.

Background

In the prior art, the refrigerant is generally divided or collected by a liquid separator. When the air conditioner is in a heating working condition, the refrigerant flows into the distributor from the header pipe and then flows into each branch pipe of the heat exchanger through the distributor. In the flow dividing process, the refrigerant enters the interior of the inner cover of the distributor through the bottom connector of the distributor, the inner cover is provided with a plurality of distribution channels with small flow areas, and the refrigerant is distributed to the top connectors of the distributor through the distribution channels. When the air conditioner is in a refrigeration working condition, the refrigerant after heat exchange of the heat exchanger flows out of each branch pipe, and the outflow refrigerant is converged in the liquid separator and then enters the main pipe. In this liquid collecting link, refrigerant in the existing liquid separator enters the cavity through the top interface, and after the refrigerant strikes the lower end cover plate in the front, the refrigerant flows out through the distribution channel on the inner cover, so that the flow area of the distribution channel is small, the flow velocity of the refrigerant in the process is greatly reduced, the refrigerant generates a very large pressure drop, and the operation performance of the air conditioning unit is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present application is to provide a distributor and an air conditioner including the same, which can reduce the pressure drop generated when a refrigerant flows through the distributor, and ensure good operation performance of an air conditioning unit.

In order to solve the above problem, the present application provides a dispenser, including a first channel, a second channel, and a valve, where the first channel is opposite to the second channel, and the valve is disposed between the first channel and the second channel, and when the fluid in the first channel flows to the valve and the pressure of the fluid in the first channel on the valve is greater than the opening pressure of the valve, the valve is opened, so that the fluid in the first channel can flow into the second channel.

Optionally, the distributor further includes a housing, an installation cavity is provided in the housing, and the valve is disposed in the installation cavity.

Optionally, the valve includes valve body and elastic component, the valve body articulates on the inner wall of installation cavity, the elastic component sets up the valve body with on the inner wall of installation cavity, work as fluid in the first passageway is to the pressure of valve is less than when the opening pressure of valve, the elastic component can drive the valve body closes the flow path between first passageway with the second passageway.

Optionally, when the valve body is closed, an end surface of the valve body, which is close to one side of the second channel, is a first end surface, a limiting member is arranged on the valve body, the limiting member is arranged on the first end surface, and the limiting member protrudes out of the first end surface.

Optionally, the limiting member is disposed perpendicular to the first end surface.

Optionally, the distributor further includes a housing, a mounting table is arranged on the inner wall of the housing along the circumferential direction of the housing, and the valve is arranged on the mounting table.

Optionally, a third channel is arranged on the mounting table along the axial direction of the distributor, the third channel is respectively communicated with the first channel and the second channel, and when fluid flows into the distributor from the second channel, the fluid flows into the first channel from the third channel.

Optionally, the number of the first channels is multiple, and the number of the third channels is multiple.

Optionally, the number of the first channels is multiple, the number of the third channels is the same as that of the first channels, and the third channels are arranged in one-to-one correspondence with the first channels.

Optionally, a plurality of the third passages are uniformly arranged along the circumferential direction of the valve.

In another aspect of the present application, there is provided an air conditioner including the dispenser as described above.

Advantageous effects

The embodiment of the utility model provides a distributor and including its air conditioner, the pressure drop that produces when can reduce the refrigerant and flow through the distributor guarantees the good operating performance of air conditioning unit.

Drawings

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

FIG. 2 is a front view of a dispenser of an embodiment of the present application;

fig. 3 is a cross-sectional view taken at a-a in fig. 2.

The reference numerals are represented as:

1. a first channel; 2. a second channel; 31. a valve body; 32. a limiting member; 4. a housing; 41. an installation table; 42. a third channel.

Detailed Description

Referring to fig. 1 to 3 in combination, according to an embodiment of the present disclosure, a dispenser includes a first channel 1, a second channel 2, and a valve, where the first channel 1 is disposed opposite to the second channel 2, the valve is disposed between the first channel 1 and the second channel 2, and when a fluid in the first channel 1 flows toward the valve and a pressure of the fluid in the first channel 1 on the valve is greater than an opening pressure of the valve, the valve is opened, so that the fluid in the first channel 1 can flow into the second channel 2. Through setting up first passageway 1 and second passageway 2 relatively, and set up the valve between first passageway 1 and second passageway 2, can avoid prior art refrigerant openly to hit the lower extreme apron, can effectively reduce the pressure drop that the refrigerant produced when flowing through the distributor, guarantee the good operating performance of air conditioning unit, in simulation analysis, the distributor in this embodiment can make the pressure drop reduce 87.3%.

In some embodiments, a valve is used to open or close a flow path between the first channel 1 and the second channel 2, thereby communicating or blocking the first channel 1 and the second channel 2.

In some embodiments, when the distributor is disposed in the air-cooled heat pump unit and the air-cooled heat pump unit is in a refrigeration condition, the first channel 1 is connected with the condenser, and the refrigerant after heat exchange and condensation by the condenser flows out from each branch pipe of the condenser, joins in the distributor and enters the second channel 2.

In some embodiments, the distributor is a micro-pressure differential refrigerant distributor.

In some embodiments, the inner space of the distributor on the side of the valve close to the first channel 1 is a mixing chamber, and the inner space of the distributor on the side of the valve close to the second channel 2 is a liquid collecting chamber.

The distributor further comprises a shell 4, a mounting cavity is formed in the shell 4, the valve is arranged in the mounting cavity, a mounting position is provided for the valve by arranging the mounting cavity, and the stable arrangement of the valve in the shell 4 is guaranteed.

In some embodiments, the housing 4 is a hollow cylindrical structure.

The valve includes valve body 31 and elastic component, and valve body 31 articulates on the inner wall of installation cavity, and the elastic component sets up on the inner wall of valve body 31 and installation cavity, and when the fluid in the first passageway 1 was less than the opening pressure of valve to the pressure of valve, the elastic component can drive valve body 31 and close the flow path between first passageway 1 and the second passageway 2. By arranging the elastic element, the valve can be ensured to stably open or close the flow path between the first channel 1 and the second channel 2 according to the opening pressure.

In some embodiments, the resilient member is a torsion spring.

In some embodiments, the opening pressure of the valve can be adjusted by changing the type of the spring and changing the elastic force of the spring.

In some embodiments, one end of the torsion spring is disposed on the inner wall of the mounting cavity and the other end is disposed on the valve body 31.

In some embodiments, the valve body 31 is rotated to the side of the second passage 2 to open, and the valve body 31 is rotated to the side of the first passage 1 to close.

When the valve body 31 is closed, the end face of the valve body 31 close to the second channel 2 is a first end face, the valve body 31 is provided with the limiting member 32, the limiting member 32 is arranged on the first end face, the limiting member 32 protrudes from the first end face, and by arranging the limiting member 32, when the valve body 31 is opened to a limit position, one end of the limiting member 32 far away from the first end face is abutted against the inner wall of the shell 4, so that the limit of the opening angle of the valve body 31 is formed, and the valve body 31 is prevented from being opened excessively.

In some embodiments, the stop 32 extends in the axial direction of the dispenser.

In some embodiments, by setting the length of the limiting member 32, the limitation of the maximum opening angle of the valve body 31 can be achieved.

The limiting member 32 is disposed perpendicular to the first end surface.

In some embodiments, the limiting member 32 is cylindrical in shape.

In some embodiments, the stopper 32 is provided at a central position of the valve body 31.

The distributor further comprises a shell 4, a mounting table 41 is arranged on the inner wall of the shell 4 along the circumferential direction of the shell 4, and the valve is arranged on the mounting table 41. By providing the mounting table 41, a stable mounting position can be provided for the valve.

In some embodiments, the mounting platform 41 is annular and the valve is disposed within the inner circle of the mounting platform 41.

In some embodiments, the valve is hinged on the inner wall of the mounting platform 41.

In some embodiments, the space within the ring defined by the mounting platform 41 is the mounting cavity.

A third channel 42 is arranged on the mounting table 41 along the axial direction of the distributor, the third channel 42 is respectively communicated with the first channel 1 and the second channel 2, and when fluid flows into the distributor from the second channel 2, the fluid flows into the first channel 1 from the third channel 42. The third channel 42 provides a flow path for the refrigerant fluid to flow from the second channel 2 to the first channel 1. When the distributor is arranged in the air-cooled heat pump unit and the air-cooled heat pump unit is in a heating working condition, the refrigerant flows into the liquid collecting chamber of the distributor from the second channel 2, when the pressure is increased, the liquid level of the refrigerant in the distributor is increased, and the refrigerant flows into the mixing chamber through the third channel 42. In the process, the flow area is suddenly reduced, so that the kinetic energy of the refrigerant is increased, the flow speed is increased, and when the refrigerant passes through the third passage 42, the pressure difference is formed between the two openings of the third passage 42. The high-flow-rate refrigerant generates a vortex after entering the mixing chamber, so that the gas phase and the liquid phase of the refrigerant are fully mixed and then uniformly flow out along the first channel 1.

The number of the first channels 1 is multiple, and the number of the third channels 42 is multiple, so that the flow areas of the first channels 1 and the third channels 42 are increased, and the refrigerant can smoothly flow out.

As an embodiment, the number of the first channels 1 is 5, and the number of the third channels 42 is 8.

As another embodiment, the number of the first channels 1 is multiple, the number of the third channels 42 is the same as that of the first channels 1, and the third channels 42 are arranged in one-to-one correspondence with the first channels 1. The number of the third channels 42 is set to be a plurality, and the third channels 42 are arranged in one-to-one correspondence with the first channels 1, so that the refrigerant in the mixing chamber can flow out more smoothly.

Specifically, the number of the first channels 1 and the number of the third channels 42 are both 5.

The third channels 42 are uniformly arranged along the circumferential direction of the valve, so that the flow rates of the refrigerants in the third channels 42 are close to each other, and the refrigerants can stably flow through the distributor.

In another aspect of the present embodiment, there is provided an air conditioner including the dispenser as described above.

The embodiment of the utility model provides a distributor and including its air conditioner, the pressure drop that produces when can reduce the refrigerant and flow through the distributor guarantees the good operating performance of air conditioning unit.

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 (11)

1. A dispenser, comprising a first channel (1), a second channel (2), and a valve, wherein the first channel (1) is disposed opposite to the second channel (2), and the valve is disposed between the first channel (1) and the second channel (2), and when a fluid in the first channel (1) flows toward the valve and a pressure of the fluid in the first channel (1) on the valve is greater than an opening pressure of the valve, the valve opens to allow the fluid in the first channel (1) to flow into the second channel (2).

2. The dispenser according to claim 1, further comprising a housing (4), wherein a mounting cavity is provided in the housing (4), and wherein the valve is provided in the mounting cavity.

3. The dispenser according to claim 2, characterized in that the valve comprises a valve body (31) and an elastic member, the valve body (31) is hinged on the inner wall of the installation cavity, the elastic member is arranged on the valve body (31) and the inner wall of the installation cavity, and when the pressure of the fluid in the first channel (1) on the valve is smaller than the opening pressure of the valve, the elastic member can drive the valve body (31) to close the flow path between the first channel (1) and the second channel (2).

4. The dispenser according to claim 3, wherein, when the valve body (31) is closed, an end surface of the valve body (31) on a side close to the second passage (2) is a first end surface, the valve body (31) is provided with a limiting member (32), the limiting member (32) is arranged on the first end surface, and the limiting member (32) protrudes from the first end surface.

5. The dispenser according to claim 4, wherein the stop (32) is arranged perpendicular to the first end surface.

6. The dispenser according to claim 1, further comprising a housing (4), wherein a mounting table (41) is provided on an inner wall of the housing (4) along a circumferential direction of the housing (4), and the valve is provided on the mounting table (41).

7. The dispenser according to claim 6, wherein a third channel (42) is provided on the mounting table (41) along the axial direction of the dispenser, the third channel (42) being respectively communicated with the first channel (1) and the second channel (2), and when fluid flows into the dispenser from the second channel (2), the fluid flows into the first channel (1) from the third channel (42).

8. The dispenser according to claim 7, characterized in that said first channel (1) is plural in number and said third channel (42) is plural in number.

9. The dispenser according to claim 7, wherein the first channel (1) is plural in number, the third channel (42) is the same in number as the first channel (1), and the third channel (42) is provided in one-to-one correspondence with the first channel (1).

10. The dispenser according to claim 8 or 9, wherein a plurality of said third passages (42) are uniformly arranged in the circumferential direction of the valve.

11. An air conditioner characterized by comprising the distributor according to any one of claims 1 to 10.

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