CN205825523U - Gas-liquid separator, air conditioning pipe system and air-conditioner - Google Patents

Abstract

The utility model discloses a gas-liquid separator, an air-conditioning pipeline system and an air conditioner, wherein the gas-liquid separator comprises an outer tank body and an inner tank body arranged in the outer tank body; The tank body is provided with a first cavity for storing low-pressure refrigerant; the first cavity is provided with a first refrigerant inlet pipe and a first refrigerant outlet pipe; the inner tank and the outer tank jointly enclose A second cavity for storing high-pressure refrigerant is formed; the second cavity is provided with a second refrigerant inlet pipe and a second refrigerant outlet pipe. The gas-liquid separator of the technical solution of the utility model can realize multiple functions, so the air-conditioning pipeline system can be simplified.

Description

Gas-liquid separator, air conditioning piping system and air conditioner

technical field

The utility model relates to the technical field of air conditioners, in particular to a gas-liquid separator, an air conditioner pipeline system and an air conditioner.

Background technique

In the existing air-conditioning pipeline system, the vapor-liquid separator is installed between the outlet of the indoor heat exchanger and the air return port of the compressor to separate the gaseous refrigerant and the liquid refrigerant, and prevent the liquid refrigerant from entering the compressor and damaging the compressor. The existing gas-liquid separator has a single function, and the air-conditioning piping system needs to use other components to store refrigerant and recover energy, and the large number of components makes the air-conditioning piping system complex.

Utility model content

The main purpose of the utility model is to provide a gas-liquid separator, aiming to realize multiple functions by the gas-liquid separator, thus simplifying the air-conditioning pipeline system.

In order to achieve the above purpose, the gas-liquid separator proposed by the utility model includes an outer tank body and an inner tank body arranged in the outer tank body; the inner tank body is provided with a second tank for storing low-pressure refrigerant A cavity; the first cavity is provided with a first refrigerant inlet pipe and a first refrigerant outlet pipe; the inner tank and the outer tank are jointly formed to form a second chamber for storing high-pressure refrigerant A cavity; the second cavity is provided with a second refrigerant inlet pipe and a second refrigerant outlet pipe.

Preferably, heat exchange fins are provided on the tank wall of the inner tank body.

Preferably, the tank wall of the inner tank body is provided with a bent portion.

Preferably, the first refrigerant inlet pipe extends from top to bottom to the middle and upper part of the first cavity, so that the nozzle of the first refrigerant inlet pipe faces downward and is located in the first cavity The upper middle part; the first refrigerant outlet pipe includes an extension section, an extension section and a transition section located at the bottom of the first cavity, and the extension section extends into the first cavity from top to bottom The bottom is connected to one end of the transition section; the extension section is connected to the end of the transition section away from the extension section, and extends from the transition section to the first cavity from bottom to top The middle and upper part of the body; the nozzle of the first refrigerant outlet pipe is set at the end of the extension section away from the transition section so that the nozzle of the first refrigerant outlet pipe is set upwards, and the first refrigerant outlet pipe The nozzle of the refrigerant outlet pipe is higher than the nozzle of the first refrigerant inlet pipe.

Preferably, the second refrigerant inlet pipe and the second refrigerant outlet pipe are arranged at intervals, and both the second refrigerant inlet pipe and the second refrigerant outlet pipe extend into the second cavity from top to bottom bottom of the body.

Preferably, the inner tank body is made of stainless steel, aluminum, copper or aluminum alloy.

The utility model also proposes an air-conditioning pipeline system, which includes a compressor, a four-way valve, an indoor heat exchanger, a throttling device and an outdoor heat exchanger connected in sequence to form a refrigerant circulation loop, and also includes a series The gas-liquid separator in the refrigerant circulation circuit, the gas-liquid separator includes an outer tank and an inner tank arranged in the outer tank; the inner tank is provided with a storage tank for low-pressure refrigerant The first cavity; the first cavity is provided with a first refrigerant inlet pipe and a first refrigerant outlet pipe; the first refrigerant inlet pipe is connected to the outlet of the indoor heat exchanger, and the first refrigerant outlet The pipe is connected to the air return port of the compressor; the inner tank and the outer tank together form a second cavity for storing high-pressure refrigerant; the second cavity is provided with a second refrigerant An inlet pipe and a second refrigerant outlet pipe; the second refrigerant inlet pipe is connected to the outlet of the outdoor heat exchanger, and the second refrigerant outlet pipe is connected to the inlet of the throttling device.

Preferably, the tank wall of the inner tank body is provided with heat exchange fins and/or the tank wall of the inner tank body is provided with bent parts.

Preferably, the first refrigerant inlet pipe extends from top to bottom to the middle and upper part of the first cavity, so that the nozzle of the first refrigerant inlet pipe faces downward and is located in the first cavity The upper middle part; the first refrigerant outlet pipe includes an extension section, an extension section and a transition section located at the bottom of the first cavity, and the extension section extends into the first cavity from top to bottom The bottom is connected to one end of the transition section; the extension section is connected to the end of the transition section away from the extension section, and extends from the transition section to the first cavity from bottom to top The middle and upper part of the body; the nozzle of the first refrigerant outlet pipe is set at the end of the extension section away from the transition section so that the nozzle of the first refrigerant outlet pipe is set upwards, and the first refrigerant outlet pipe The nozzle of the refrigerant outlet pipe is higher than the nozzle of the first refrigerant inlet pipe; the second refrigerant inlet pipe and the second refrigerant outlet pipe are arranged at intervals, and the second refrigerant inlet pipe and the second refrigerant inlet pipe The refrigerant outlet pipes extend from top to bottom to the bottom of the second cavity.

The utility model also proposes an air conditioner, which includes an air-conditioning pipeline system; the air-conditioning pipeline system includes a compressor, a four-way valve, an indoor heat exchanger, a throttling device and The outdoor heat exchanger also includes a gas-liquid separator connected in series in the refrigerant circulation circuit, and the gas-liquid separator includes an outer tank body and an inner tank body arranged in the outer tank body; the inner layer The tank body is provided with a first cavity for storing low-pressure refrigerant; the first cavity is provided with a first refrigerant inlet pipe and a first refrigerant outlet pipe; the first refrigerant inlet pipe is connected to the indoor heat exchanger outlet, the first refrigerant outlet pipe is connected to the air return port of the compressor; the inner tank and the outer tank jointly form a second cavity for storing high-pressure refrigerant; the second The cavity is provided with a second refrigerant inlet pipe and a second refrigerant outlet pipe; the second refrigerant inlet pipe is connected to the outlet of the outdoor heat exchanger, and the second refrigerant outlet pipe is connected to the inlet of the throttling device.

The technical scheme of the utility model designs the outer tank body and the inner tank body, and divides the gas-liquid separator into a first cavity and a second cavity, wherein the first cavity is used to store low-pressure refrigerant to realize the traditional gas-liquid separator function, while the second cavity is used to store high-pressure refrigerant to realize the function of the original high-pressure liquid storage tank; at the same time, the heat transfer between the high-pressure refrigerant and the low-pressure refrigerant can be carried out through the inner tank, so the gas-liquid separator can also Realize the functions of regenerator and subcooler, and install the gas-liquid separator into the air conditioning pipeline system through the first refrigerant inlet pipe, the first refrigerant outlet pipe, the second refrigerant inlet pipe and the second refrigerant outlet pipe, which can Reduce the number of components in the air-conditioning pipeline system and simplify the air-conditioning pipeline system; it can also increase the supercooling degree of the refrigerant at the outlet of the condenser and the superheating degree of the return air of the compressor, and improve the energy-saving performance of the air conditioner; and compared with the use of ordinary air-conditioning pipeline systems In other words, there is less gaseous refrigerant in the high-pressure refrigerant flowing out of the second chamber, so it can effectively improve the abnormal sound of refrigerant flowing in the indoor unit of the air conditioner; thereby improving the comfort of the air conditioner.

Description of drawings

Fig. 1 is a schematic cross-sectional structural diagram in the longitudinal direction of an embodiment of the gas-liquid separator of the present invention.

Explanation of reference numbers:

label name label name 100 outer tank 200 Inner tank 300 first cavity 400 second cavity 210 heat exchange fins 310 The first refrigerant inlet pipe 320 The first refrigerant outlet pipe 321 Intrusion 322 Overhang 323 Transition 410 Second refrigerant inlet pipe 420 Second refrigerant outlet pipe

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the relative positional relationship, movement conditions, etc. between the various components shown in the figure below, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

The utility model provides a gas-liquid separator.

Please refer to Fig. 1, the solid line with the arrow indicates the space (such as hole, cavity) or surface, and the dotted line with the arrow indicates the flow direction of the refrigerant. In the embodiment of the utility model, the gas-liquid separator includes an outer The layer tank body 100 and the inner layer tank body 200 arranged in the outer layer tank body 100; the inner layer tank body 200 is provided with a first cavity 300 for storing low-pressure refrigerant; the first cavity body 300 A first refrigerant inlet pipe 310 and a first refrigerant outlet pipe 320 are provided; the inner tank body 200 and the outer layer tank body 100 jointly enclose and form a second chamber 400 for storing high-pressure refrigerant; The second cavity 400 is provided with a second refrigerant inlet pipe 410 and a second refrigerant outlet pipe 420 .

The technical scheme of the utility model designs the outer tank body 100 and the inner tank body 200, and divides the gas-liquid separator into a first cavity 300 and a second cavity 400, wherein the first cavity 300 is used to store low-pressure refrigerant to realize The function of the traditional gas-liquid separator, while the second cavity 400 is used to store the high-pressure refrigerant to realize the function of the original high-pressure liquid storage tank; at the same time, the heat transfer between the high-pressure refrigerant and the low-pressure refrigerant can be performed through the inner tank 200, so The gas-liquid separator can also realize the functions of a regenerator and a subcooler, and the gas-liquid is separated by the first refrigerant inlet pipe 310, the first refrigerant outlet pipe 320, the second refrigerant inlet pipe 410 and the second refrigerant outlet pipe 420. The separator is installed in the air conditioning pipeline system, which can reduce the number of components in the air conditioning pipeline system and simplify the air conditioning pipeline system; it can also increase the supercooling degree of the refrigerant at the outlet of the condenser and the superheating degree of the return air of the compressor, thereby improving the energy saving of the air conditioner Compared with the common air-conditioning pipeline system, there is less gaseous refrigerant in the high-pressure refrigerant flowing out of the second chamber 400, so it can effectively improve the abnormal sound of the refrigerant flowing in the indoor unit of the air conditioner; improve the comfort of the air conditioner .

Please refer to Fig. 1 further, in order to improve the heat exchange effect of inner layer tank body 200, heat exchange fin 210 can be set on the tank wall of described inner layer tank body 200; Heat exchange fin 210 can increase heat exchange area, thereby greatly Improve heat exchange efficiency; the specific location and number of heat exchange fins 210 are determined according to actual needs. In this embodiment, several heat exchange fins 210 are evenly provided on the inner and outer surfaces of the tank wall. In addition to setting the heat exchange fins 210, a bent portion (not shown) can also be set on the tank wall of the inner tank body 200 to form protrusions and depressions on the inner surface of the tank wall, and to form protrusions and depressions on the outer surface of the tank wall. Recesses and protrusions are formed correspondingly, thereby increasing the heat exchange area of the tank body and improving heat exchange efficiency. The inner tank body 200 is made of stainless steel, aluminum, copper or aluminum alloy. When the inner tank body 200 is made of stainless steel, the gas-liquid separator is easy to form; when the inner tank body 200 is made of aluminum, copper or aluminum alloy, due to the high thermal conductivity of aluminum, copper or aluminum alloy, it is beneficial for high-pressure refrigerant and low-pressure refrigerant The heat conduction can further improve the heat exchange effect.

The first refrigerant inlet pipe 310 is used to connect the outlet of the indoor heat exchanger, and guide the low-pressure refrigerant after heat exchange in the indoor heat exchanger into the first cavity 300; please refer to FIG. 1 , in this embodiment , the first refrigerant inlet pipe 310 extends into the middle and upper part of the first cavity 300 from top to bottom, so that the mouth of the first refrigerant inlet pipe 310 is set downward and located in the first cavity After the low-pressure refrigerant flows into the first cavity 300 , the liquid refrigerant flows down to the bottom of the first cavity 300 , and the gaseous refrigerant stays in the upper middle of the first cavity 300 . The first refrigerant outlet pipe 320 is used to connect the air return port of the compressor, and transmit the low-pressure gaseous refrigerant in the gas-liquid separator to the compressor for compression. Please refer to FIG. 1 further. The specific arrangement method is as follows: The first refrigerant outlet pipe 320 includes an extending section 321, an extending section 322 and a transition section 323 provided at the bottom of the first cavity 300, and the extending section 321 extends into the first cavity from top to bottom. The bottom of the body 300 is connected to one end of the transition section 323; the extension section 322 is connected to the end of the transition section 323 away from the extension section 321, and is connected from bottom to top by the transition section 323 Extending to the middle and upper part of the first cavity 300; the nozzle of the first refrigerant outlet pipe 320 is set at the end of the extension section 322 away from the transition section 323 so that the first refrigerant outlet pipe 320 The nozzle of the first refrigerant outlet pipe 320 is set upward, and the nozzle of the first refrigerant outlet pipe 320 is higher than the nozzle of the first refrigerant inlet pipe 310; the nozzle of the first refrigerant outlet pipe 320 is arranged upward and the first refrigerant outlet The nozzle of the pipe 320 is higher than the nozzle of the first refrigerant inlet pipe 310, which can prevent the liquid refrigerant in the lower part of the first cavity 300 from entering the first refrigerant outlet pipe 320, and an extension section 321 and an extension section 322 are provided. and the transition section 323, so that the gaseous refrigerant can be used as a secondary gas-liquid separator when flowing in the first refrigerant outlet pipe 320, preventing the liquid refrigerant from entering the compressor.

Please refer to Fig. 1 further, since the flow in the second refrigerant inlet pipe 410 and the second refrigerant outlet pipe 420 is mainly high-pressure liquid refrigerant, so the arrangement can be as follows: the second refrigerant inlet pipe 410 and the second refrigerant outlet pipe 420 The second refrigerant outlet pipes 420 are arranged at intervals, and both the second refrigerant inlet pipes 410 and the second refrigerant outlet pipes 420 extend into the bottom of the second cavity 400 from top to bottom. The high-pressure refrigerant directly enters the bottom of the second cavity 400 , and also flows out from the bottom when the high-pressure refrigerant flows out, ensuring that the high-pressure refrigerant flowing out is a liquid refrigerant.

The utility model also proposes an air-conditioning pipeline system, which includes a compressor, a four-way valve, an indoor heat exchanger, a throttling device and an outdoor heat exchanger connected in sequence to form a refrigerant circulation loop, and also includes a series Gas-liquid separator in the refrigerant circulation circuit. The specific structure of the gas-liquid separator refers to the above-mentioned embodiments. Since this air-conditioning pipeline system adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments. Let me repeat them one by one. Wherein, the first refrigerant inlet pipe is connected to the outlet of the indoor heat exchanger, and the first refrigerant outlet pipe is connected to the air return port of the compressor; the second refrigerant inlet pipe is connected to the outlet of the outdoor heat exchanger. outlet, and the second refrigerant outlet pipe is connected to the inlet of the throttling device.

The utility model also proposes an air conditioner, which includes an air conditioning pipeline system. The specific structure of the air-conditioning pipeline system refers to the above-mentioned embodiments. Since this air conditioner adopts all the technical solutions of the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not repeat them here. A repeat.

It should be noted that the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, people should consider this The combination of technical solutions does not exist, nor is it within the scope of protection required by the utility model.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. A gas-liquid separator, characterized in that, comprises an outer tank body and an inner tank body disposed in the outer tank body; The inner tank body is provided with a first cavity for storing low-pressure refrigerant; the first cavity is provided with a first refrigerant inlet pipe and a first refrigerant outlet pipe; The inner tank and the outer tank together form a second cavity for storing high-pressure refrigerant; the second cavity is provided with a second refrigerant inlet pipe and a second refrigerant outlet pipe. 2. The gas-liquid separator according to claim 1, wherein heat exchange fins are arranged on the tank wall of the inner tank body. 3. The gas-liquid separator according to claim 1, characterized in that, the tank wall of the inner tank body is provided with a bent portion. 4. The gas-liquid separator according to claim 1, wherein the first refrigerant inlet pipe extends from top to bottom to the middle and upper part of the first cavity, so that the first refrigerant inlet The nozzle of the tube is set downward and is located in the middle and upper part of the first cavity; The first refrigerant outlet pipe includes an extension section, an extension section and a transition section at the bottom of the first cavity; the extension section extends into the bottom of the first cavity from top to bottom and is connected to the bottom of the first cavity. One end of the transition section is connected; the extension section is connected with the end of the transition section away from the extension section, and extends from the transition section from bottom to top to the middle and upper part of the first cavity The nozzle of the first refrigerant outlet pipe is set at the end of the extension section away from the transition section so that the nozzle of the first refrigerant outlet pipe is set upwards, and the nozzle of the first refrigerant outlet pipe The nozzle is higher than the nozzle of the first refrigerant inlet pipe. 5. The gas-liquid separator according to claim 1, wherein the second refrigerant inlet pipe and the second refrigerant outlet pipe are arranged at intervals, and the second refrigerant inlet pipe and the second refrigerant outlet pipe The outlet pipes all extend into the bottom of the second cavity from top to bottom. 6. The gas-liquid separator according to any one of claims 1 to 5, characterized in that, the material of the inner tank body is stainless steel, aluminum, copper or aluminum alloy. 7. An air-conditioning pipeline system, including a compressor connected in sequence to form a refrigerant circulation loop, a four-way valve, an indoor heat exchanger, a throttling device, and an outdoor heat exchanger, characterized in that it also includes a compressor connected in series to the refrigerant circulation loop In the gas-liquid separator, the gas-liquid separator includes an outer tank body and an inner tank body arranged in the outer tank body; The inner tank body is provided with a first cavity for storing low-pressure refrigerant; the first cavity is provided with a first refrigerant inlet pipe and a first refrigerant outlet pipe; the first refrigerant inlet pipe is connected to the indoor The outlet of the heat exchanger, the first refrigerant outlet pipe is connected to the air return port of the compressor; The inner tank and the outer tank jointly form a second cavity for storing high-pressure refrigerant; the second cavity is provided with a second refrigerant inlet pipe and a second refrigerant outlet pipe; the The second refrigerant inlet pipe is connected to the outlet of the outdoor heat exchanger, and the second refrigerant outlet pipe is connected to the inlet of the throttling device. 8. The air-conditioning pipeline system according to claim 7, characterized in that, the tank wall of the inner tank body is provided with heat exchange fins and/or the tank wall of the inner tank body is provided with bending department. 9. The air-conditioning pipeline system according to claim 7, wherein the first refrigerant inlet pipe extends from top to bottom to the middle and upper part of the first cavity, so that the first refrigerant inlet The nozzle of the tube is set downward and is located in the middle and upper part of the first cavity; The first refrigerant outlet pipe includes an extension section, an extension section and a transition section arranged at the bottom of the first cavity, and the extension section extends into the bottom of the first cavity from top to bottom and is connected to the bottom of the first cavity. One end of the transition section is connected; the extension section is connected with the end of the transition section away from the extension section, and extends from the transition section from bottom to top to the middle and upper part of the first cavity The nozzle of the first refrigerant outlet pipe is set at the end of the extension section away from the transition section so that the nozzle of the first refrigerant outlet pipe is set upwards, and the nozzle of the first refrigerant outlet pipe The nozzle is higher than the nozzle of the first refrigerant inlet pipe; The second refrigerant inlet pipe and the second refrigerant outlet pipe are arranged at intervals, and both the second refrigerant inlet pipe and the second refrigerant outlet pipe extend into the bottom of the second cavity from top to bottom . 10. An air conditioner, characterized by comprising the air conditioning pipeline system according to any one of claims 7 to 9.