CN203744628U - Air-conditioning unit and gas-liquid separator thereof - Google Patents

Abstract

The utility model discloses an air-conditioning unit and a gas-liquid separator thereof. The gas-liquid separator comprises a housing, an inlet pipe, an outlet pipe and an oil return pipe, wherein one end of the inlet pipe is communicated with the interior of the housing, and the other end of the inlet pipe extends out of the housing; a through hole is formed in the top end of the side wall of the housing; one end of the outlet pipe is communicated with the through hole; in addition, an oil return hole is formed in the bottom end of the side wall of the housing; one end of the oil return pipe is communicated with the oil return hole. During use, one end of the outlet pipe is communicated with the through hole in the top end of the side wall of the housing, and the other end of the outlet pipe is communicated with a compressor. As the through hole is formed in the side wall of the housing, the pipe, through which the outlet pipe is communicated with the compressor, directly extends downwards from one side of the housing to be communicated with the compressor, rather than turns to the side of the housing at the top of the housing and then extends downwards; thus, the quantity of turns of the pipe between the outlet pipe and the compressor is reduced, and the design of the pipe between the outlet pipe and the compressor is accordingly simplified. The utility model further discloses the air-conditioning unit with the gas-liquid separator.

Description

Air-conditioning unit and gas-liquid separator thereof

Technical field

The utility model relates to air-conditioning manufacturing technology field, more particularly, relates to a kind of air-conditioning unit and gas-liquid separator thereof.

Background technology

Gas-liquid separator can be arranged on the gateway place of gas compressor for gas-liquid separation.As shown in Figure 1, the structure of gas-liquid separator of the prior art generally comprises housing 02, is arranged at the inlet pipe 04 of housing 02 inside and goes out pipe 03, wherein go out pipe 03 for U-shaped pipe, its one end is communicated with compressor from stretch out at the top of housing 02, the other end is communicated with one end of inlet pipe 04, inlet pipe 04 not with go out pipe 03 one end being communicated with and also stretch out from the top of housing 02 and be communicated with compressor, in addition, the U-shaped bottom that goes out pipe offers spill port 05, and this spill port is connected with oil return pipe.So arrange, go out mouthful top at housing that pipe 03 is communicated with compressor, and the mouth that compressor is communicated with it is below housing 02, therefore being communicated with pipe also needs to extend to the side of housing 02 and is communicated with compressor to downward-extension with the pipeline of compressor both, makes to be accordingly communicated with the comparatively complexity of circuit design of outlet spout and compressor both.In addition, the bottom of gas-liquid separator is low temperature liquid refrigerant, and the U-shaped bottom of outlet, near the bottom of gas-liquid separator, makes the return-air of this gas-liquid separator through low-temperature space, has reduced the degree of superheat of return-air.And the U-shaped length that goes out pipe is longer, increased the pressure loss of system, and enclosure interior go out pipe also need fixture 01 to be fixed going out pipe, increased accordingly the manufacturing cost of this gas-liquid separator.

In sum, how effectively solving the comparatively complicated problem of circuit design that is communicated with pipe and compressor both, is current those skilled in the art's urgent problem.

Utility model content

In view of this, first object of the present utility model is to provide a kind of gas-liquid separator, the structural design of this gas-liquid separator can solve the comparatively complicated problem of circuit design that is communicated with pipe and compressor both effectively, and second object of the present utility model is to provide a kind of air-conditioning unit that comprises above-mentioned gas-liquid separator.

In order to reach above-mentioned first object, the utility model provides following technical scheme:

A kind of gas-liquid separator, comprises that housing and one end are communicated with the described enclosure interior other end and stretch out the inlet pipe of described housing,

The top of the sidewall of described housing offers through hole, and the bottom of sidewall offers spill port; Also comprise:

What one end was communicated with described through hole goes out pipe;

The oil return pipe that one end is communicated with described spill port.

Preferably, on described oil return pipe, be in series with electric expansion valve.

Preferably, described inlet pipe one end is communicated with the described enclosure interior other end and stretches out from the roof of described housing.

Preferably, described in, go out pipe along horizontal direction setting.

Preferably, described inlet pipe, go out pipe and oil return pipe be copper pipe.

Preferably, described housing entirety is cylindric.

Preferably, described oil return pipe for the mouth that is communicated with compressor towards upwards.

A kind of air-conditioning unit, comprises the gas-liquid separator described in above-mentioned middle any one.

The gas-liquid separator that the utility model provides comprises housing, inlet pipe, goes out pipe and oil return pipe, and wherein one end of inlet pipe is communicated with the enclosure interior other end and stretches out housing, offers through hole on the top of the sidewall of housing, and the one end that goes out pipe is communicated with this through hole.In addition, the bottom of the sidewall of housing offers spill port, and one end of oil return pipe is communicated with spill port.Wherein, the top of the sidewall of housing is the position of the close housing top wall of sidewall, and the bottom of the sidewall of housing is the position of the close shell bottom wall of sidewall.

Application the utility model provide gas-liquid separator time, its through hole that goes out one end of pipe and the top of housing sidewall is communicated with, the other end that goes out pipe is communicated with compressor, because through hole is positioned on the sidewall of housing, therefore the pipeline that is communicated with pipe and compressor needn't be turned the side of housing more again to downward-extension from the top of housing, but be directly communicated with compressor from the side direction downward-extension of housing, therefore the turning quantity that goes out the pipeline between pipe and compressor reduces, and has simplified accordingly and the circuit design between pipe and compressor.

In order to reach above-mentioned second object, the utility model also provides a kind of air-conditioning unit, and this air-conditioning unit comprises above-mentioned any gas-liquid separator.Because above-mentioned gas-liquid separator has above-mentioned technique effect, the air-conditioning unit with this gas-liquid separator also should have corresponding technique effect.

Brief description of the drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the structural representation of gas-liquid separator in prior art;

The structural representation of the gas-liquid separator that Fig. 2 provides for the utility model embodiment;

The top view of the gas-liquid separator that Fig. 3 provides for the utility model embodiment.

In accompanying drawing, mark is as follows:

01-fixture, 02-housing, 03-go out pipe, 04-inlet pipe, 05-spill port;

1-goes out pipe, 2-inlet pipe, 3-housing, 4-oil return pipe.

Detailed description of the invention

First object of the present utility model is to provide a kind of gas-liquid separator, the structural design of this gas-liquid separator can solve the comparatively complicated problem of circuit design that is communicated with pipe and compressor both effectively, and second object of the present utility model is to provide a kind of air-conditioning unit that comprises above-mentioned gas-liquid separator.

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Refer to Fig. 1-Fig. 3, the gas-liquid separator that the utility model embodiment provides comprises housing 3, inlet pipe 2, goes out pipe 1 and oil return pipe 4, wherein connection housing 3 inner other end in one end of inlet pipe 2 stretches out housing 3, top at the sidewall of housing 3 offers through hole, and the one end that goes out pipe 1 is communicated with this through hole.In addition, the bottom of the sidewall of housing 3 offers spill port, and one end of oil return pipe 4 is communicated with spill port.Wherein, the top of the sidewall of housing 3 is the position of close housing 3 roofs of sidewall, and the bottom of the sidewall of housing 3 is the position of close housing 3 diapires of sidewall.

When gas-liquid separator that application the utility model embodiment provides, its one end that goes out pipe 1 is communicated with the through hole on the top of housing 3 sidewalls, the other end that goes out pipe 1 is communicated with compressor, because through hole is positioned on the sidewall of housing 3, therefore be communicated with pipe 1 and the pipeline of compressor and needn't turn again the side of housing 3 from the top of housing 3 again to downward-extension, but be directly communicated with compressor from the side direction downward-extension of housing 3, therefore the turning quantity that goes out the pipeline between pipe 1 and compressor reduces, and has simplified accordingly and the circuit design between pipe 1 and compressor.In addition, in the gas-liquid separator that this utility model embodiment provides, go out pipe 1 not in the inner extension of housing 3, therefore mixture is from inlet pipe 2 enters, and gas can be without the space near housing 3 bottoms, but directly discharge from going out pipe 1, so, gas only moves at the upper space of housing 3, so can not affected by the low temperature liquid refrigerant of the bottom of gas-liquid separator, can not reduce the degree of superheat of return-air, can not waste the pressure of system yet.And going out pipe 1 therefore does not need fixture to be fixed going out pipe 1 inner extension of housing 3 yet, has reduced accordingly the manufacturing cost of this gas-liquid separator.

For further technique scheme, the electric expansion valve of can also connecting on oil return pipe 4, so arranges, and can pass through the recirculating oil quantity of electronic expansion valve regulation return duct, to improve the reliability of system.

In addition, inlet pipe 2 one end are communicated with housing 3 inside, the other end stretches out from the roof of housing 3, so arrange, after mixture enters inlet pipe 2, just can lean on gravity to decline and enter housing 3 inside, and then can save the pressure of system, inlet pipe 2 one end are communicated with housing 3 inside certainly, the other end can also stretch out from the sidewall of housing 3, in this no limit.

For the ease of connecting, can will go out pipe 1 along horizontal direction setting, so structure is convenient to processing, certainly goes out pipe 1 and also can arrange at an angle to the horizontal direction, in this no limit.

Preferably, inlet pipe 2, go out pipe 1 and oil return pipe 4 can be copper pipe, the intensity of copper pipe is high, therefore wear-resistant and corrosion resistance uses copper pipe not fragile, can improve accordingly the stability of system.Certainly inlet pipe 2, go out pipe 1 and oil return pipe 4 can also be other metal tube, in this no limit.

In addition, the shape of housing 3 entirety can be cylindric, can certainly be cuboid, in this no limit.One end of oil return pipe 4 is communicated with spill port, and the other end is for being communicated with compressor, wherein for the mouth that is communicated with compressor towards upwards so that simplification circuit design, the number of turns of the pipeline between minimizing compressor and oil return pipe 4.

Based on the gas-liquid separator providing in above-described embodiment, the utility model also provides a kind of air-conditioning unit, and this air-conditioning unit comprises any one gas-liquid separator in above-described embodiment.Because this air-conditioning unit has adopted the gas-liquid separator in above-described embodiment, so the beneficial effect of this air-conditioning unit please refer to above-described embodiment.

In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.

To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (8)

1. a gas-liquid separator, comprises that housing (3) and one end are communicated with the inner other end of described housing (3) and stretch out the inlet pipe (2) of described housing (3), it is characterized in that,

The top of the sidewall of described housing (3) offers through hole, and the bottom of sidewall offers spill port; Also comprise:

One end be communicated with described through hole go out pipe (1), and described in go out pipe (1) be positioned at described housing (3) outside completely;

The oil return pipe (4) that one end is communicated with described spill port.

2. gas-liquid separator according to claim 1, is characterized in that, described oil return pipe is in series with electric expansion valve on (4).

3. gas-liquid separator according to claim 1, is characterized in that, described inlet pipe (2) one end is communicated with the inner other end of described housing (3) and stretches out from the roof of described housing (3).

4. gas-liquid separator according to claim 1, is characterized in that, described in go out pipe (1) along horizontal direction setting.

5. gas-liquid separator according to claim 1, is characterized in that, described inlet pipe (2), goes out pipe (1) and oil return pipe (4) and is copper pipe.

6. gas-liquid separator according to claim 1, is characterized in that, described housing (3) entirety is cylindric.

7. gas-liquid separator according to claim 1, is characterized in that, described oil return pipe (4) for the mouth that is communicated with compressor towards upwards.

8. an air-conditioning unit, is characterized in that, comprises the gas-liquid separator as described in any one in claim 1-7.