KR101283252B1 - Thermal media equal distribution type air conditioning unit - Google Patents

Abstract

PURPOSE: A thermal media equal distribution air conditioner is provided to collect condensate discharged from a main branch pipe when a heat exchanger is operated as a condenser according to an operation mode in water collecting bodies via through-holes, thereby being supplied to a circulation line. CONSTITUTION: A thermal media equal distribution air conditioner comprises a first heat exchanger (11) and a second heat exchanger (12). The first and second heat exchangers include bodies (30,31) and headers (32,33). The headers include main branch pipes (34,35), water collecting bodies (36,37), and auxiliary branch pipes (38,39). The main branch pipes are branched from the bodies, and through-holes (40,41) are formed on longitudinal sides of the main branch pipe respectively. The water collecting bodies are connected to the main branch pipe and include a chamber (C). The through-holes are embedded in the chamber. The water collecting bodies are arranged in the lower part of the chamber and includes outlets (42,43) connected to a circulation line (20) on the lower parts of the water collecting bodies. The auxiliary branch pipes penetrate through the main branch pipes. Internal extension units (44,45) are relatively smaller than the main branch pipes and arranged inside the main branch pipes.

Description

Thermal media equal distribution type air conditioning unit

The present invention relates to a heat medium equalizing air conditioner, and more particularly, to a heat medium equalizing air conditioner having a novel structure that can significantly increase heat exchange efficiency by a heat exchanger by dividing and supplying a heat medium evenly by a simple structure. .

In general, a heat pump is a device (or system) that is configured to supply hot or cold water or heating by absorbing or releasing heat through a phase change of a heat medium (refrigerant) circulating through a compressor, a condenser, an evaporator, and an expansion valve. An example of the system will be described with reference to the drawings.

As shown in FIG. 1, the compressor 10, the first heat exchanger 11, the second heat exchanger 12, and the expansion valve 14 which are interconnected by the circulation line 20 to form a circulation cycle of the refrigerant. 15 is provided, and a four-way valve 16 capable of switching the flow of refrigerant according to cooling (or cold water) and heating (or hot water) is provided, and each of the expansion valves 14 and 15 is provided according to cooling and heating. Check valves 17 and 18 are provided to change the flow of the refrigerant.

In such a configuration, each of the heat exchangers 11 and 12 is provided with main bodies 11a and 12a which are heat-exchanged with the load side to supply cooling / cooling or cold / hot water to the use place, and the inlet / outlet sides of the main bodies 11a and 12a. The headers 11b and 12b are provided to allow the heat medium to flow in and out.

The headers 11b and 12b are provided at one side of the main body 11a and 12a to be provided with heat medium flowing in or out depending on the operation mode. 11c and 12c are laminated in one form and are provided in the form of a distributor to be connected to the circulation line 20. The purpose is to increase heat exchange efficiency by distributing the heat medium flowing into the heat exchangers 11 and 12.

However, in the conventional headers 11b and 12b, the branch pipes 11c and 12c are arranged in the up and down direction of the main bodies 11a and 12a of the heat exchangers 11 and 12, which are installed upright at the installation place. 12, but the heat medium is distributed throughout, but when the heat exchanger (11, 12) is operated as a condenser, the condensate sinks to the lower part of the main body (11a, 12a) or the header (11b, 12b). As a result, the condensate is not drawn out through the branch pipes 11c and 12c positioned in the upper portion, but gas is drawn out.

Therefore, as the headers 11b and 12b as described above are conventionally provided, condensate is supplied only to a part of the branch pipes 11c and 12c, and gas and liquid are discharged by the branch pipes 11c and 12c, respectively. As a result of supplying gas and liquid on the circulation line 20 to the expansion valves 14 and 15, the efficiency of each component for ideally achieving the compression and expansion of the heat medium decreases and the device is thereby There is a problem that the overall heat exchange efficiency of the falling.

Korea Patent Publication (No. 10-0459769) 2004. 11. 24.

The present invention is to solve the problems as described above, the present invention is a new structure that can significantly increase the heat exchange efficiency of the entire device including the heat exchanger by circulating the heat medium evenly divided and integrated by a simple structure It is to provide a heating medium equalizer of air conditioner.

According to a feature of the invention, the compressor 10, the first heat exchanger 11, the expansion valve 14, the second heat exchanger 12 is interconnected by the circulation line 20 so that the heat medium is circulated sequentially It is provided on the circulation line 20 is located on the inlet and outlet side of the compressor 10 to switch the flow of the heat medium to supply cooling (or cold water) or heating (or hot water) according to the demand of the user An air conditioner comprising a four-way valve (16) and a plurality of control valves (21 ~ 24) located in front and rear ends of the expansion valve (14);

The first heat exchanger 11 and the second heat exchanger 12 respectively have main bodies 30 and 31 which are subjected to heat exchange by circulation of the heat medium, and the inlet side or the outlet side of the main bodies 30 and 31, respectively. Headers 32 and 33 are provided for dispensing or integrating the heating medium;

The headers 32 and 33 are branched from the main bodies 30 and 31, and a plurality of main branch pipes 34 and 35 having through holes 40 and 41 formed in one longitudinal direction thereof, respectively, and the main branch pipes. (34, 35) is connected to form a chamber (C) formed to embed each of the through holes (40, 41) and at the same time is provided at the bottom to communicate with the chamber (C) is discharge port connected to the circulation line (20) Collection bodies 36 and 37 having 42 and 43 formed therein, and auxiliary powders extending to correspond to the main branch pipes 34 and 35 to distribute the heat medium to the heat exchangers 11 and 12 side. A heat medium equalizing air conditioner is provided which comprises engines 38 and 39.

According to another feature of the present invention, the auxiliary branch pipes (38, 39) are penetrated into the main branch pipes (34, 35) to extend through the through holes (40, 41), the main branch pipe ( It is provided with a relatively small diameter compared to 34,35 is provided with a heat medium uniformly divided air conditioner, characterized in that the internal extension portion 44, 45 formed in the main branch pipe (34, 35) is formed.

As described above, according to the present invention, the headers 32 and 33 of the heat exchangers 11 and 12 include the main branch pipes 34 and 35 in which the through holes 40 and 41 are formed, and the through holes 40 and 41. By including the collecting body (36,37), the condensate discharged from the main branch pipe (34, 35) when the heat exchanger (11, 12) is operated as a condenser according to the operation mode is the through hole (40) Due to the collection of the collecting bodies 36 and 37 through the 41 and being supplied onto the circulation line 20, the expansion valve 14 may be supplied to the expansion valve 14 in a state where gas and liquid are mixed on the circulation line 20 as in the related art. In addition to this, this has the advantage that each component is ideally operated to increase the overall thermal efficiency of the device.

In addition, the main branch pipe (34, 35) is connected to the auxiliary branch pipe (38,39) having an internal extension (44, 45) extending to pass through the through hole (40, 41), the auxiliary branch pipe ( The heat medium flowing into the heat exchanger (11, 12) through 38, 39 is minimized from flowing back through the through holes (40, 41), and is equally distributed to the heat exchanger (11, 12). There is an advantage that can further increase the thermal efficiency as shown.

1 is a block diagram showing an example of a conventional air conditioner
Figure 2 is an operating state diagram showing one embodiment of the present invention
3 is an enlarged cross-sectional view of a portion A of FIG.
4 is another operating state in accordance with an embodiment of the present invention

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, description will be made with reference to the accompanying drawings.

2 to 4 illustrate a configuration and an operating state according to a preferred embodiment of the present invention. As shown in Figures 2 and 3, the present invention is the compressor 10, the first heat exchanger 11, the expansion valve 14 and the second heat exchanger by the circulation line 20 is formed so that the heat medium is circulated (12) are interconnected, and the flow of heat medium supplied from the compressor (10) to selectively supply cooling (or cold water supply) and heating (or hot water supply) on the circulation line 20 according to the demand of the place of use. It is provided with a four-way valve 16 to switch the.

In this configuration, the first heat exchanger 11 corresponds to a conventional indoor unit in which a cold / hot water line or the like of a load side is connected to supply cooling / heating (or cold / hot water) to a place of use, and the second heat exchanger 12 typically The heat exchanger 11 or 12 is configured to be discharged to the outside of the heat medium or absorb the external heat corresponding to the outdoor unit of the heat exchanger.

In addition, each of the heat exchangers (11, 12) is provided on the main body (30,31) to be heat exchanged by the circulation of the heat medium, and the inlet or outlet side of the main body (30,31) to distribute or integrate the heat medium Headers 32 and 33 are provided to be supplied.

More specifically, the headers 32 and 33 are provided with a plurality of main branch pipes 34 and 35 branched from the main bodies 30 and 31 and arranged up and down. A predetermined size of through holes 40 and 41 are formed at one side in the longitudinal direction adjacent to the end side while the end is closed.

In addition, the main branch pipe (34, 35) is connected to the collecting body (36,37) formed with the chamber (C) to be built in the through holes (40, 41), the lower end of the collecting body (36, 37) Outlets 42 and 43 connected to the circulation line 20 are formed.

Further, the main branch pipes 34 and 35 are connected to auxiliary branch pipes 38 and 39 which are configured to distribute the heat medium to the respective heat exchangers 11 and 12 side. A plurality of distribution bodies 46 and 47 connected to the circulation line 20 are provided to correspond to the main branch pipes 34 and 35.

Here, the circulation line 20 located between each of the heat exchangers 11 and 12 includes a first line 20a and a collecting body 36 and 37 connected to the respective distribution bodies 46 and 47. It comprises a second line (20b) connected to the side, on the first line (20a) and the second line (20b) a plurality of first to fourth control valves 21 ~ for controlling the flow of the heat medium 24 is provided, and the expansion valve 14 is located on a third line 20c formed to interconnect the first line 20a and the second line 20b.

Referring to the operating state according to the cooling and heating mode according to such a configuration as follows. FIG. 2 illustrates a flow of a heat medium to supply heating (or hot water supply) by a heating mode, in which a hot gas of high temperature and high pressure supplied by the compressor 10 is operated as a condenser. Heat exchange with the cold and hot water line connected to the use while passing through) is made, wherein the heat medium passing through the main body 30 of the first heat exchanger 11 is condensate form through each main branch pipe 34. Will be discharged.

In the present invention, the condensate is discharged through the through-hole 40 formed in the main branch pipe 34 and is integrally collected by the water collecting body 36, and is formed on the expansion valve 14 through the outlet 42 formed therein. It is supplied to the circulation line 20.

More specifically, through the expansion valve 14 through the second line 20b connected to the outlet 42 of the collecting body 36 provided on the first heat exchanger 11 side, the second heat exchanger ( 12) The heat medium is supplied to the heat exchanger. In the second heat exchanger 12 which operates as an evaporator, the heat medium is uniformly distributed and introduced through the auxiliary branch pipe 39 provided therein to perform heat exchange.

Here, the auxiliary branch pipe 39 may be connected to one side of the main branch pipe 34, but the main body 31 of the heat exchanger 12 may be prevented from flowing back through the through hole 40 to the maximum. The heat medium is discharged at a position close to the side.

Preferably, the auxiliary branch pipe 38 has an internal extension part 44 formed therethrough through the main branch pipe 34 from the end of the main branch pipe 34, and the internal extension part 44 is the main branch pipe 34. It is provided with a relatively small diameter compared to) to extend through the through-hole 40.

In the heating mode, the second and third control valves 22 and 23 of the first to fourth control valves 21 to 24 are opened, and the first and fourth valves 21 and 24 are closed. As a result, a smooth circulation is achieved in a state where the back flow of the heat medium is prevented.

Meanwhile, as shown in FIG. 4, in the cooling mode, the first heat exchanger 11 and the second heat exchanger 12 operate as an evaporator and a condenser, respectively, as opposed to the above-described heating mode, and the compressor 10 The heat medium supplied by the water is circulated from the second heat exchanger 12 side to the first heat exchanger 11 side.

Herein, the second heat exchanger 12 discharges the condensate by the collecting body 37 of the header 33 provided therein, and the first heat exchanger 11 includes the auxiliary portion of the header 32 provided therein. The heat medium is distributed and supplied by the engine 38. At this time, the first to fourth control valves 21 to 24 open the first and fourth control valves 21 and 24, and the second and the second 3 The control valves 22 and 23 are closed to smoothly circulate in a state where the back flow of the heat medium is prevented as in the heating mode described above.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

Claims (2)

The compressor 10, the first heat exchanger 11, the expansion valve 14, and the second heat exchanger 12 are provided such that the heat medium is sequentially circulated by the circulation line 20, and the circulation line ( 20 and the four-way valve 16 located on the inlet and outlet side of the compressor 10 to switch the flow of the heat medium to supply cooling (or cold water) or heating (or hot water) according to the demand of the use place An air conditioner comprising a plurality of control valves (21 to 24) located in front and rear of the expansion valve (14);
The first heat exchanger 11 and the second heat exchanger 12 respectively have main bodies 30 and 31 which are subjected to heat exchange by circulation of the heat medium, and the inlet side or the outlet side of the main bodies 30 and 31, respectively. Headers 32 and 33 are provided for dispensing or integrating the heating medium;
The headers 32 and 33 are branched from the main bodies 30 and 31, and a plurality of main branch pipes 34 and 35 having through holes 40 and 41 formed in one longitudinal direction thereof, respectively, and the main branch pipes. (34, 35) is connected to the chamber (C) is formed so as to embed each of the through holes (40, 41) and at the same time is provided at the bottom to communicate with the chamber (C) discharge port connected to the circulation line (20) Collection bodies 36 and 37 having 42 and 43 formed therein, and auxiliary branches extending to correspond to the main branch pipes 34 and 35 so as to distribute the heat medium to the heat exchangers 11 and 12, respectively. (38,39);
The auxiliary branch pipes 38 and 39 penetrate into the main branch pipes 34 and 35 and extend to pass through the through holes 40 and 41, and are relatively relatively compared to the main branch pipes 34 and 35. Heat medium uniformly divided air conditioner is provided with a small diameter, characterized in that the inner extension portion (44, 45) formed in the main branch pipe (34, 35) is formed.
delete

Images