KR100309066B1 - Cooling and heating system that does not require outdoor unit of air conditioner and method - Google Patents

Abstract

The present invention is to reduce the environment and noise pollution caused by the outdoor unit by using the refrigeration cycle to reduce the environmental and noise pollution caused by the outdoor unit by cooling and heating the room to ensure the efficiency of cooling and heating at all times, according to the present invention And a cooling / heating device and a method for eliminating the need for an outdoor unit of an air conditioner to improve convenience and compatibility according to use.

It is equipped with a first heat exchanger in the first heat exchanger of the refrigeration cycle in the main body of the cooling and heating unit so as to exchange heat with external air as a blower fan, and a second heat exchanger and an auxiliary heat exchanger of the refrigeration cycle as the blower fan. A second heat exchange means for cooling and heating the room by heat exchange with the air, and an air circulation means for introducing external air into the first and second heat exchange means and releasing the heat-exchanged air to the indoor or outdoor environment It is composed of.

Description

Air conditioner and method that do not need outdoor unit of air conditioner

The present invention relates to a cooling / heating device and a method of eliminating the need for an outdoor unit of an air conditioner, and more particularly, to an indoor unit by cooling and heating the room using a refrigeration cycle, thereby maintaining efficiency according to cooling and heating. By not using it to reduce the environment and noise pollution caused by the outdoor unit, and to improve the manufacturability and installation, and the convenience and compatibility of use.

In general, the air conditioner is to cool and heat the room using a refrigeration cycle. Looking at the principle of the refrigeration cycle used in the air conditioner, this is as shown in FIG. 1 of the accompanying drawings.

The refrigeration cycle is to achieve a cooling by continuously performing the process of compression-condensation-expansion-evaporation, that is, in the compressor (1) to compress the refrigerant to discharge in a gas state of high temperature, high pressure, in the compressor (1) In the condenser 2, the discharged gaseous refrigerant is converted into a liquid state by heat exchange with room temperature, and then passed through a capillary tube 3.

The condensed refrigerant passing through the capillary tube 3 is converted into a gaseous state of low temperature and low pressure, and is cooled by heat exchange with indoor air through an evaporator 4 connected thereto. Thus, the evaporator 4 During the passage, the heat-exchanged refrigerant in the room flows back into the compressor (1) to continuously repeat the above-described series of processes.

Therefore, in the refrigerating cycle acting as described above, the evaporator 4 is installed as an indoor unit and the condenser 2 is installed as an outdoor unit to cool the room as usual, but recently, the above-mentioned refrigeration cycle is circulated in the reverse direction. Many cooling and heating devices have been proposed to be used as a combination of cooling and heating to achieve heating by using a heat source generated when condensing in a condenser.

As shown in FIG. 2 of the accompanying drawings, the existing refrigeration cycle is selected to circulate in the forward and reverse directions according to the cooling mode and the heating mode, and according to the condenser 2 and the evaporator 4 of the existing refrigeration cycle. A four-way valve 5 for controlling the flow of refrigerant between the heat exchanger and the compressor 1 is provided, and another capillary tube 6 and a reverse valve 7 are provided.

Accordingly, in the cooling mode, the cooling cycle is performed by the operation of the four-way valve 5 to achieve cooling as described above. In contrast, in the heating mode, the refrigerant cycle is operated in the reverse direction by the operation of the four-way valve 5. By doing so, heating is achieved.

At this time, the condenser 2 installed in the outdoor unit and the evaporator 4 installed in the indoor unit have different functions from each other, that is, the refrigerant compressed to high temperature in the compressor 1 exchanges heat with the indoor air while passing through the heat exchanger of the indoor unit. By doing so, it was heated by its heat source.

However, in the conventional cooling and heating device, although the advantage of selectively cooling and heating by using a refrigeration cycle, it is inevitably required to install the outdoor unit outside the building due to the structural characteristics of the refrigeration cycle. It was.

Therefore, as the outdoor unit is installed outside, the difficulty of securing the space for installing the outdoor unit outside of the building is not only caused, but also the air conditioner can be installed in the space where the outdoor unit can be installed in the structure of the building. There is no problem.

In addition, as the outdoor unit is exposed to the outside of the building, the appearance is not good, and when the heating operation is performed, the outdoor unit functions as an evaporator, so that the air temperature is sensitive to the outside air temperature, thereby reducing efficiency.

In addition, in order to install the outdoor unit on the outside of the building, as well as the refrigerant pipe, as well as the heat insulating material, electric wire, various fixing members, etc., as a concomitant need for the manufacturing cost due to the increase in the number of parts, as well as the construction cost takes a lot of problems. If you are not an expert, you could not install and move as well.

The present invention has been made to solve various problems of the related art as described above, and its object is to allow the cooling and heating of the room to be selectively performed by using a refrigeration cycle, but according to the indoor and outdoor air in the main body of the cooling and heating unit. By providing the first and the second heat exchanger at the same time to provide a cooling and heating device and method of the air conditioner does not require a separate outdoor unit.

The present invention for achieving this purpose is to install each of the heat exchange chamber having the first and second heat exchangers according to the condenser and the evaporator of the refrigeration cycle in the main body of the air conditioner, and at the same time each blower fan In addition, the heat exchange chamber is provided with an air duct connected to the outside, characterized in that to perform the cooling and heating selectively by a smooth heat exchange according to the cooling, heating.

1 is a configuration diagram of a typical refrigeration cycle

2 is a configuration diagram of a cooling and heating cycle used in a conventional cooling and heating combined use.

3 is a configuration diagram of a refrigeration cycle to which the present invention is applied

4 is a schematic configuration diagram of a cooling and heating device to which the present invention is applied.

Figure 5 is a schematic diagram of a cooling and heating device showing another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: body 10: first heat exchange chamber

20: 2nd heat exchange room 11: 1st heat exchanger

12,22: auxiliary heat exchanger 13, 23: blower fan

14, 24: Air Doctor 15, 25: Air inlet

16: outlet 17: communication

18, 19: Capillary 26: Discharge outlet

27: Air inlet 28: Four-way valve

29: check valve 31; separator

The present invention is to achieve a cooling, heating by using a refrigeration cycle to continuously perform the process of compression-condensation-expansion-evaporation, that is, the present invention provides a condenser and an evaporator The first heat exchange means and the second heat exchange means for selectively performing a function, each of the heat exchange means is provided with air circulation means for introducing the outside air and at the same time to discharge the heat exchanged air conditioning indoors and out It is characterized by performing the functions of cooling and heating by only one body of the air conditioner without distinguishing between indoor and outdoor air.

That is, the present invention includes a first and a second heat exchange chamber for installing each heat exchanger according to the condenser and the evaporator in the main body of the air conditioner and the air conditioner, and are installed by partitioning them up, down, left and right, and the first And each heat exchanger in the second heat exchange chamber is provided with an auxiliary heat exchanger to improve the heat exchange efficiency while having a blower fan to heat the outside air through each heat exchanger.

In addition, each of the heat exchange chamber is provided with an air inlet duct to allow a smooth heat exchange by introducing the outside air and at the same time equipped with a discharge grill to discharge the heat-exchanged air-conditioning air into the room.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 of the accompanying drawings schematically shows the overall configuration of the air conditioner to which the present invention is applied, and reference numeral 100 in the drawing denotes a main body of the air conditioner according to the present invention.

The main body 100 includes a first heat exchange chamber 10 and a second heat exchange chamber 20 partitioned up and down by a partition wall 101 while being provided in an enclosure like a normal air conditioner and a heater. do.

In the first heat exchange chamber 10, a first heat exchanger 11 according to a refrigeration cycle and an auxiliary heat exchanger 12 connected to the first heat exchanger 11 are provided, and the heat exchanger 11 is provided. The lower part of the (12) is provided with a blower fan 13 for circulating the external air to force heat exchange, and on the rear surface thereof is provided with a discharge port 16 for discharging the heat-exchanged air to the outside.

In addition, a second heat exchanger 21 according to a refrigeration cycle is provided inside the second heat exchange chamber 20, and a second auxiliary heat exchanger 22 is provided in the second heat exchanger 21. The lower portion of the blower fan 23 is configured to allow forced heat exchange by introducing external air.

At this time, each of the auxiliary heat exchanger 12, 22 may be used to form a capillary tube bent pipe to improve the efficiency of heat exchange.

In addition, the air ducts 14 and 24 are connected to the first heat exchange chamber 10 and the second heat exchange chamber 20 to allow the outside air to flow in the rear of the main body 100, and at the same time, Air ducts 14 and 21 are provided with air inlets 15 and 25, respectively, and are connected to the outside of the building.

In this case, the air inlets 15 and 25 are connected to the outside of the building by fastening a separate communication 17 to allow the air outside the building to flow smoothly, that is, room temperature air, which is one of the central compartments. It consists of a cylindrical tube.

In addition, the discharge grill 26 for discharging the air-conditioning air heat exchanged in the second heat exchange chamber 20 to the room is provided on the front surface of the second heat exchange chamber 20, that is, the front surface of the main body 100. .

On the other hand, as another embodiment of the present invention by varying the air circulation means to circulate by introducing the outside air into the heat exchange chamber 10, 20, which is the second as shown in Figure 5 of the accompanying drawings A separate air inlet 27 may be directly provided at the rear of the heat exchange chamber 20.

In addition, Figure 3 of the accompanying drawings shows a refrigerating cycle according to the present invention, such a refrigeration cycle is installed in the main body 100 of the present invention described above by circulating the refrigerant compressed in the compressor in the forward, reverse direction, Heating is achieved.

In the refrigeration cycle according to the present invention, the compressor 30 compresses the refrigerant at a high temperature and high pressure, and the first heat exchanger 11 and the second heat exchanger 21 to heat exchange the refrigerant compressed by the compressor 30. And an auxiliary heat exchanger (12) (22) that is connected to the heat exchanger (11) (21) to double the heat exchange performance of these.

In addition, by blowing air to the heat exchangers to blow air (13, 23) to achieve a heat exchange, and the heat exchanger in the heat exchanger (11) (21) to convert the refrigerant condensed into a low temperature low pressure liquid state And a four-way valve (28) for controlling the circulation of the refrigerant in the refrigeration cycle in the forward and reverse directions, and a check valve (29) and a separator (31). will be.

Thus, the operation of the present invention configured as described above is to achieve the cooling and heating of the room using the refrigerant cycle as described above. First, the flow of the refrigerant and the air in the cooling mode will be described below.

That is, the refrigerant circulation process at the time of cooling as shown in Figure 3 of the accompanying drawings, the refrigerant gas is compressed at high temperature and high pressure by the operation of the compressor 30 is discharged along the arrow direction of the solid line by the four-way valve 28 Thus, sufficient heat exchange is performed while passing through the auxiliary heat exchanger 12 and the first heat exchanger 11.

The heat exchange means is a first heat exchanger 11 is to perform the function of the condenser in a normal refrigeration cycle, the refrigerant converted into a liquid state by heat exchange with the room temperature as described above through the check valve 29 through the capillary tube (18) Will pass).

As it passes through the capillary tube 18, it is expanded and converted to a low-temperature, low-pressure gas state, and heat exchanged through the auxiliary heat exchanger 22 and the second heat exchanger 21 and circulated back to the compressor 30.

On the other hand, the air flow diagram while the refrigeration cycle is circulated as described above, as shown in Figure 4 of the accompanying drawings by the blowing force of the lower blowing fan 13, the air outside the building communication 17 and the air inlet ( 15) and through the air duct 14 into the first heat exchange chamber 10, the inlet air passes through the auxiliary heat exchanger 12 and the first heat exchanger 11 to achieve sufficient heat exchange with these heat exchangers. After that, it is discharged to the outside of the building via the discharge port 16 behind it.

At the same time, by operating the upper blower fan 23, the outside air is also introduced into the second heat exchange chamber 20 via the communication 17, the air inlet 25, and the air duct 24. The external air is converted into the cooled air-conditioning air by performing sufficient heat exchange while passing through the auxiliary heat exchanger 22 and the second heat exchanger 21 in the second heat exchange chamber 20, and the discharge port 26 in front of it. It is discharged to the room through.

By repeating this operation continuously, the room is cooled. At this time, it is natural that the air can be continuously circulated and cooled by connecting the air inlet 25 with the room.

On the contrary, in the heating mode, the above-mentioned refrigerating cycle acts in the reverse direction, that is, the four-way valve 28 is operated by the above-mentioned counter operation, so that the high-temperature and high-pressure refrigerant gas compressed by the compressor 30 is a dotted arrow. Heat exchanges through the second heat exchanger 21 and the auxiliary heat exchanger 22 along the direction.

In this case, the second heat exchanger 21 performs the function of the evaporator in the cooling mode described above, but in this case, the refrigerant flow is changed to perform the condenser function of the refrigeration cycle.

In this way, the refrigerant is converted into a liquid state of high temperature and high pressure while being discharged while passing through the second heat exchanger 21 and the auxiliary heat exchanger 22, and the circulating refrigerant is blocked by the check valve 29 and its direction is changed. Passed through the separator 31 and the second capillary tube 19 to be converted into a gaseous state of low temperature and low pressure, and at the same time, after sufficient heat exchange while passing through the first heat exchanger 11 and the auxiliary heat exchanger 12, it is circulated to the compressor 30. It will be repeated.

At this time, the first heat exchanger 11 performs the function of the condenser in the cooling mode, but here it performs the function of the evaporator.

Therefore, even in the heating mode, the flow of air is the same, that is, the outside air is introduced into the second heat exchange chamber 10 by the lower blower fan 13 so that the first heat exchanger 11 and the auxiliary heat exchanger ( The air cooled by heat exchange with 12 is discharged to the outside of the building through the outlet 16.

At the same time, the external air introduced into the second heat exchange chamber 20 by the second blower fan 23 is sufficiently heat exchanged with the second heat exchanger 21 and the auxiliary heat exchanger 22 through which the high temperature and high pressure refrigerant passes. This is converted into warm air and blown into the room through the discharge port 26 in the front.

Therefore, it is possible to heat the room, and this series of operations are all controlled by a general controller not shown so that the operation according to cooling and heating can be performed by simple operation.

As described above, the present invention can selectively perform cooling and heating of the room by using only a refrigeration cycle, and at the same time does not use an outdoor unit, thereby eliminating the space required for installation of the outdoor unit, thereby preventing invasion of living space. It becomes the number.

That is, since the outdoor unit is not installed outside the building, not only the appearance is improved, but also the environment and noise pollution due to the hot wind discharged through the outdoor unit are prevented.

In addition, the manufacturability and productivity according to the manufacture of the outdoor unit is not only improved, but also does not require additional parts, thereby reducing the manufacturing cost and having the effect of simplifying the installation.

Claims (5)

The outside air flows into the first heat exchanger of the refrigerating cycle, the second heat exchanger of the refrigerating cycle, and the first and second heat exchange means in the main body of the air conditioner for cooling and heating the room by circulating the refrigerating cycle forward and backward. In the cold and the heater consisting of an air circulation means for discharging the heat exchanged air to the indoor or outdoor at the same time, the refrigerant of the refrigeration cycle is circulated in the first heat exchange chamber (10) to exchange heat with external air A first heat exchanger 11 to be formed, an auxiliary heat exchanger 12 connected to the first heat exchanger 11, and one side of the heat exchanger 11 and 12 to circulate external air; A second heat exchanger (21) and a second heat exchanger (21) for allowing the refrigerant of the refrigeration cycle to circulate in the second heat exchange chamber (20) to exchange heat with external air; Auxiliary heat exchanger (22) connected with Cooling and heating that does not require an outdoor unit of an air conditioner, characterized in that it is provided on one side of the heat exchanger (21, 22) and equipped with a blowing fan (23) for introducing the outside air to discharge to the indoor side Device. The air inlets 15 and 25 of the first heat exchange chamber 10 and the air ducts 14 and 24 of the second heat exchange chamber 20 are configured as one air inlet. Cooling and heating device that does not require the outdoor unit of the air conditioner, characterized in that the piping 17 is connected to the outside by the communication (17). The outdoor unit of an air conditioner according to claim 1, further comprising a separate air inlet (27) at the rear of the second heat exchange chamber (20) so as to connect the pipe to the outside of the building by the communication (17). No heating and heating device required. The first heat exchanger and the second heat exchanger of the refrigeration cycle are partitioned in two heat exchange chambers in the main body of the air conditioner, and a separate auxiliary heat exchanger is connected to these heat exchangers so that each air blower can be supplied with external air and indoor air. Cooling and heating method that does not require the outdoor unit of the air conditioner, characterized in that the indoor and the outside to circulate respectively to selectively cool, heating. The first heat exchanger (11) and the second heat exchanger (21) of the refrigeration cycle are provided with separate auxiliary heat exchangers (12), (22) and blower fans (13) (23). Cooling and heating method that does not require the outdoor unit of the air conditioner, characterized in that the cooling and heating is made by the refrigerant circulated in the forward and reverse direction by the directional belt (28).