KR100480111B1 - Cooling and heating interchangeable bathroom type air conditioner - Google Patents

Abstract

The present invention relates to a bathroom-type air conditioner for both heating and cooling, comprising: a casing having a suction port formed at a bottom thereof; A compressor disposed at one inner side of the casing; A first heat exchanger and a second heat exchanger disposed to face each other with the suction port interposed therebetween; A four-way valve disposed on the discharge side of the compressor to switch a flow path of the refrigerant; A first and a second housing configured to receive a bottom of the first heat exchanger and the second heat exchanger at each lower side of the first heat exchanger and the second heat exchanger, and to have a mutual height difference along a vertical direction of the casing; A heat exchanger accommodating part, a connection part connecting the first ends of the first heat exchanger accommodating part and the second heat exchanger accommodating part to be in communication with each other, and a drainage extending to discharge the condensed water contained therein to the outside of the casing; A condensate tray having a portion; A through hole formed at one side of the casing to allow the drainage portion to pass through to the outside; A through hole cover detachably coupled to the casing to block the through hole; It is integrally coupled to the inside of the through-hole cover is characterized in that it comprises a drain pump for discharging the condensate to the outside. Thereby, the restriction | limiting of the installation site resulting from drainage can be reduced, and the air-conditioning combined bathroom type air conditioner which improves the efficiency of a system by performing condensation of a refrigerant efficiently is provided.

Description

COOLING AND HEATING INTERCHANGEABLE BATHROOM TYPE AIR CONDITIONER}

The present invention relates to a bathroom-type air conditioner for both heating and cooling, and more particularly, it is possible to facilitate the drainage of condensate, thereby reducing the constraints on the installation site due to the drainage, and efficiently condensing the refrigerant, The present invention relates to an air-conditioning combined bathroom type air conditioner capable of improving efficiency.

In general, an air conditioner is an air conditioner that is disposed in a room, a living room or an office, or a space such as a business store to maintain a comfortable indoor environment by controlling air temperature, humidity, cleanliness, and airflow.

In general, air conditioners are referred to as air conditioners for cooling indoors in summer. Some of these air conditioners reverse the flow of refrigerant in a refrigeration cycle to selectively perform cooling and heating functions, so-called heat pumps. There is a combined air-conditioning and air conditioner called a pump or an air conditioner for four seasons.

On the other hand, according to the change of living environment, most of the living spaces are equipped with bathrooms and toilets (hereinafter referred to as bathrooms), and these bathrooms always have water and drains to drain used water. Various fungi, bacteria, etc. are not only easy to breed, but also cause various odors, causing discomfort.

The use of the bathroom is not only mildew and odor, but also a lot of moisture generated when bathing, moisture condensation on the wall, glass, etc., uncomfortable in winter, it gives cool to the living room, room, and temperature difference to health for the elderly There is a problem that may adversely affect.

In consideration of these problems, a combined air-conditioning and bathroom type air conditioner has been devised for cooling and / or heating a bathroom.

1 is a plan view of a conventional air-conditioning combined bathroom type air conditioner, and FIG. 2 is an enlarged cross-sectional view taken along line II-II of FIG. 1. As shown in these figures, the air-conditioning combined bathroom type air conditioner has a housing 111 therein and a casing 111 having a suction port 112 formed therein to suck air therein, and the inside of the casing 111. The compressor 115, which is disposed at one side and compresses the refrigerant, the first heat exchanger 117 and the second heat exchanger 127, which are disposed to face each other with the suction port 112 interposed therebetween, and the first heat exchanger 117. An exhaust fan 118 disposed on one side of the exhaust fan, a blower fan 128 disposed on one side of the second heat exchanger 127, and a four-way valve 131 disposed on the discharge side of the compressor 115 to switch the flow path. Equipped.

Inlet 112 is formed in the central region of the bottom of the casing 111, and one side of the blower fan 128 is sucked through the inlet 112 and passes through the second heat exchanger 127 to exchange heat. The second discharge port 129 is formed so that the discharge can be carried out.

An exhaust port 120 is formed at one side of the exhaust fan 118 so as to discharge the heat-exchanged air while passing through the first heat exchanger 117, and at the bottom of the casing 111 transferred to the exhaust port 120, air is provided. The first discharge port 119 is formed to discharge the gas into the room. Adjacent regions of the outlet 120 and the first outlet 119 are provided with a damper 123 for selectively opening and closing the outlet 120 and the first outlet 119, and one end of the outlet 120 communicates with the outside. The other end of the exhaust duct 122 is connected.

Meanwhile, condensate trays 133a and 133b are disposed below the first heat exchanger 117 and the second heat exchanger 127 to collect condensed water condensed on their surfaces during cooling or heating. On one side of each condensate tray (133a, 133b) drains 134, 135 are formed to protrude so as to discharge the condensed water collected therein, the ends of each of the drains (134, 135) through the casing 111 to the outside Extend to protrude. Protruding ends of the drainage parts 134 and 135 are connected to the connection pipes 137 connected to the drain hose 139, respectively.

However, in the conventional air-conditioning combined bathroom type air conditioner, the condensate tray may collect condensed water generated on the surfaces of the heat exchanger at the lower ends of the first heat exchanger 117 and the second heat exchanger 127 to be dropped. 133a and 133b, and the condensate in each condensate tray 133a and 133b is drained using the potential energy due to gravity, and when there is an obstacle around the installation, the drainage is not smooth. There is a problem that constraints are followed.

Therefore, an object of the present invention, it is possible to facilitate the drainage of condensate water can reduce the constraints of the installation site due to drainage, combined with the heating and cooling bathroom to improve the efficiency of the system by performing the condensation of the refrigerant efficiently Type is to provide air conditioning.

According to the present invention, the casing is formed in the receiving space therein and the suction port is formed in the bottom; A compressor disposed at one inner side of the casing; A first heat exchanger and a second heat exchanger disposed to face each other with the suction port interposed therebetween; Four-way valves interposed between the discharge side of the compressor and the first heat exchanger and the second heat exchanger in a circulation direction of the refrigerant to switch the flow path of the refrigerant; A lower side of each of the first heat exchanger and the second heat exchanger, the bottom of each of the first heat exchanger and the second heat exchanger is accommodated, and the first height exchanger is disposed to have a mutual height difference along the vertical direction of the casing; A connection part connecting the first and second heat exchanger accommodating parts, and each end of the first heat exchanger accommodating part and the second heat exchanger accommodating part to be in communication with each other, the first heat exchanger accommodating part and the second heat exchanger accommodating part; A condensate tray having a drain portion extending to discharge condensed water contained therein from one of the connecting portions to the outside of the casing; A through-hole formed on one side of the casing to have a size larger than that of the drainage portion so that the drainage portion can pass outwardly; A through hole cover detachably coupled to the casing to block the through hole; Integral to the inside of the through-hole cover is achieved by a combined air-conditioning and bathroom type air conditioner comprising a drain pump for discharging the condensate to the outside.

Here, the first heat exchanger and the second heat exchanger is preferably arranged at the bottom of the first heat exchanger condensing the refrigerant compressed by the compressor when cooling the lower side than the bottom of the second heat exchanger.

And a control unit for controlling the drain pump to prevent the condensate from overflowing during operation based on a level detection sensor for detecting a level of condensate contained in the condensate tray and a result of the detection of the level detection sensor. effective.

The control unit preferably controls the drainage pump to discharge all the condensed water contained in the condensate tray after the operation ends.

In addition, the control unit is effective to control the drain pump so that the water level of the first heat exchanger accommodating portion is maintained so that the bottom region of the first heat exchanger is accommodated in the condensed water during the cooling operation.

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

Figure 3 is a plan view of the air-conditioning combined bathroom type air conditioner according to an embodiment of the present invention, Figure 4 is a perspective view of the condensate tray of Figure 3, Figure 5 is a perspective view of the drainage pump installation area of Figure 3, Figure 6 5 is an enlarged cross-sectional view taken along line VI-VI of FIG. 5, and FIG. 7 is a control block diagram of a combined air-conditioning and bathroom type air conditioner of FIG. 3. As shown in these figures, the air-conditioning combined bathroom type air conditioner includes a casing 11 having a suction port 12 formed at a bottom thereof and forming an accommodating space therein, and a refrigerant disposed at one side of the casing 11. The first heat exchanger 25 and the second heat exchanger 26 and one side of the first heat exchanger 25 which are disposed to face each other with the inlet 12 interposed therebetween. The exhaust fan 118, the second discharge ports 129 and 28 disposed on one side of the second heat exchanger 26, and the lower sides of the first heat exchanger 25 and the second heat exchanger 26, respectively. The condensate tray 31 is disposed and collects condensate, and a drain pump 41 coupled to the condensate tray 31 to discharge the condensate is configured.

A suction port 12 is formed in the central region of the bottom of the casing 11 so as to suck air from the bathroom into the inside, and a compressor 21 is installed at one side of the casing 11. The four-way valve 23 is provided on the discharge side of the compressor 21 so as to switch the flow path of the refrigerant, and the first heat exchanger 25 and the second on both sides of the inlet 12 with the inlet 12 interposed therebetween. The heat exchangers 26 are provided to face each other. A capillary tube 29 is provided as an expansion device between the first heat exchanger 25 and the second heat exchanger 26 to allow the refrigerant to expand under reduced pressure. An exhaust fan 27 is provided at one side of the first heat exchanger 25 so as to discharge air passing through the first heat exchanger 25, and a second heat exchanger at one side of the second heat exchanger 26. A blowing fan 28 is provided to blow air that has passed through 26 into the room. A second discharge port 19 is formed at the bottom of one casing 11 of the blowing fan 28 to discharge air into the room.

A discharge port 15 is formed on the side wall of one side casing 11 of the exhaust fan 27 to discharge the air via the first heat exchanger 25 to the outside, and the discharge port 15 has an exhaust connected to the outside. The duct 17 is coupled. A first discharge port 16 is formed at the bottom of the casing 11 adjacent to the discharge port 15 so as to discharge the air via the first heat exchanger 25 into the room, and the first discharge port 16 and A damper 18 is provided at the boundary area of the outlet 15 so as to selectively open and close the outlet 15 and the first outlet 16.

On the other hand, the condensate tray 31 is disposed below each of the first heat exchanger 25 and the second heat exchanger 26 to collect condensed water falling from the first heat exchanger 25 and the second heat exchanger 26. The first heat exchanger accommodating part 32a and the second heat exchanger accommodating part 32b, and one end of the first heat exchanger accommodating part 32a and the second heat exchanger accommodating part 32b are connected to each other. The connection part 32c and the drain part 32d which protrudes outward so that the condensed water can be discharged to one side of the connection part 32c are provided.

The first heat exchanger accommodating part 32a and the second heat exchanger accommodating part 32b have different height differences along the up-down direction of the casing 11, and the connection part 32c has the first heat exchanger accommodating part 32a. The central region is bent so that the heat sink is disposed below the second heat exchanger accommodation portion 32b.

The drain 32d is protruded from the connecting portion 32c so as to discharge the condensed water contained therein to the outside. Here, the drainage hose 51 is connected to the drainage portion 32d when the drainage pump 41 is not installed, and when the drainage pump 41 is installed, the drainage portion 32d is provided at the drainage portion 32d. The stopper 33 is engaged to block 32d).

A through hole 14 is formed in the side wall of one side casing 11 of the drain part 32d so that the drain part 32d is exposed to the outside, and the edge of the through hole 14 has a drain pump 41 to be described later. ) Is not installed, the through-hole cover (not shown) is provided with a through-hole so as to block the through-hole 14 and allow the end of the drain portion (32d) to pass through.

On the other hand, inside the drain 32d, a drain pump 41 is provided to discharge the condensed water collected therein to the outside. The drain pump 41 includes a housing 42 having a suction part 43a and a discharge part 43b formed thereon so as to suck / discharge condensate at one side thereof, and an impeller (not shown) disposed inside the housing 42. ), A motor portion 44 for rotating the impeller, an extension pipe 46 extending upwardly from the discharge portion 43b of the housing 42, and a fixing bolt 52 coupled to the casing 11 by a housing ( 42 and a through hole cover 48 for integrally coupling the extension pipe 46 and the like to the casing 11.

The upper portion of the through hole cover 48 is coupled to the connecting member 49, one end of which is connected to the drain hose 51 and the other end of which is in communication with the extension pipe 46, and the lower region of the condensate tray 31. The passage hole 50 is formed so that the drain part 32d of the passage may pass to the outside. One side of the drain pump 41 is provided with a water level detection sensor 53 to detect the level of the condensate, the water level detection sensor 53 controls the motor of the drain pump 41 based on the detected water level. The controller 55 is connected.

With this configuration, when the cooling operation is started, the refrigerant compressed by the compressor 21 flows to the first heat exchanger 25 along the flow path formed by the four-way valve 23 to radiate heat, and then passes through the capillary tube 29. It expands under reduced pressure and flows into the second heat exchanger (26). The refrigerant introduced into the second heat exchanger 26 absorbs latent heat of the surroundings and is evaporated, returned to the compressor 21, and then compressed and discharged again to circulate in the cycle.

When the exhaust fan 27 starts to rotate, suction of air is made through the inlet 12, and the sucked air passes through the first heat exchanger 25 to promote heat dissipation of the refrigerant. The air passing through the first heat exchanger 25 is discharged to the outside through the discharge port 15.

When the blower fan 28 starts to rotate, the air sucked through the inlet 12 is heat-exchanged via the second heat exchanger 26 and is discharged into the room through the outlet. At this time, moisture in the air is condensed on the surface of the second heat exchanger 26 and condensate is collected in the condensate tray 31 at the lower side. Some of the condensed water collected in the second heat exchanger accommodating part 32b flows to the first heat exchanger accommodating part 32a to promote heat dissipation of the first heat exchanger 25.

The water level detection sensor 53 detects the level of the collected condensate, and the control unit 55 controls the drain pump 41 to discharge the condensate to the outside when the level exceeds a predetermined value based on the detected result. Done.

On the other hand, during the heating operation, the refrigerant compressed by the compressor 21 flows to the second heat exchanger 26 along the flow path formed by the four-way valve 23 to radiate heat and expand under reduced pressure while passing through the capillary tube 29. It flows into the 1 heat exchanger (25). The refrigerant absorbing the latent heat in the first heat exchanger 25 is returned to the compressor 21 and compressed again to circulate in the cycle.

The air passing through the first heat exchanger 25 by the exhaust fan 27 is discharged to the outside through the discharge port 15, and the air heat-exchanged while passing through the second heat exchanger 26 by the blower fan 28. Is discharged into the room through the discharge port to perform the heating operation.

The condensed water generated by the first heat exchanger 25 is collected in the first heat exchanger accommodating part 32a, and the second heat exchanger accommodating part 32b is higher than the first heat exchanger accommodating part 32a. The condensate is prevented from flowing to the first heat exchanger accommodating portion 32a.

The controller 55 operates the drain pump 41 when the level of the condensed water is above a certain level based on the result detected by the water level detection sensor 53, and operates the drain pump 41 when the operation is finished, thereby operating the condensate tray ( Allow all condensate in 31) to drain.

As described above, according to the present invention, the first heat exchanger is formed so as to accommodate each lower region in each lower side of the first heat exchanger and the second heat exchanger, which are disposed to face each other with the suction port formed at the bottom of the casing therebetween. A condensate tray having a receiving portion and a second heat exchanger accommodating portion, a through hole formed in the casing to expose the drainage portion to one side of the condensate tray, a through hole cover disposed to block the through hole, and a through hole cover By providing a drain pump integrally coupled to the inside of the condensate tray and discharging the condensate collected outside, condensate can be easily drained, thereby reducing constraints on the installation site due to drainage, A combined air-conditioning and bathroom type air conditioner is provided for efficient condensation to improve the efficiency of the system.

1 is a plan view of a conventional air-conditioning combined bathroom type air conditioner,

2 is an enlarged cross-sectional view taken along line II-II of FIG. 1;

3 is a plan view of the air-conditioning combined bathroom type air conditioner according to an embodiment of the present invention;

4 is a perspective view of the condensate tray of FIG. 3;

5 is a perspective view of the drainage pump installation region of FIG.

6 is an enlarged cross-sectional view taken along line VI-VI of FIG. 5;

FIG. 7 is a control block diagram of the air-conditioning combined bathroom type air conditioner of FIG. 3.

Explanation of symbols on the main parts of the drawings

11: casing 12: inlet

14 through-hole 21 compressor

23 four-way valve 25 first heat exchanger

26: second heat exchanger 31: condensate tray

32a: 1st heat exchanger accommodating part 32b: 2nd heat exchanger accommodating part

32c: connection part 32d: drain part

41: drain pump 48: through hole cover

53 level sensor 55: control unit

Claims (5)

A casing defining an accommodation space therein and having a suction port formed at a bottom thereof; A compressor disposed at one inner side of the casing; A first heat exchanger and a second heat exchanger disposed to face each other with the suction port interposed therebetween; Four-way valves interposed between the discharge side of the compressor and the first heat exchanger and the second heat exchanger in a circulation direction of the refrigerant to switch the flow path of the refrigerant; A lower side of each of the first heat exchanger and the second heat exchanger, the bottom of each of the first heat exchanger and the second heat exchanger is accommodated, and the first height exchanger is disposed to have a mutual height difference along the vertical direction of the casing; A connection part connecting the first and second heat exchanger accommodating parts, and each end of the first heat exchanger accommodating part and the second heat exchanger accommodating part to be in communication with each other, the first heat exchanger accommodating part and the second heat exchanger accommodating part; A condensate tray having a drain portion extending to discharge condensed water contained therein from one of the connecting portions to the outside of the casing; A through-hole formed on one side of the casing to have a size larger than that of the drainage portion so that the drainage portion can pass outwardly; A through hole cover detachably coupled to the casing to block the through hole; Combined with the inside of the through-hole cover integrally air-conditioning combined bathroom, characterized in that it comprises a drain pump for discharging the condensate to the outside. The method of claim 1, Both the first heat exchanger and the second heat exchanger are combined with the bottom of the first heat exchanger to condense the refrigerant compressed by the compressor when cooling, characterized in that the heating and heating bathroom type, characterized in that disposed below the bottom of the second heat exchanger air conditioner. The method of claim 2, And a control unit for controlling the drainage pump to prevent the condensate from overflowing during operation based on a level detection sensor for detecting a level of condensate contained in the condensate tray and a result of the detection of the level detection sensor. The air-conditioning combined use air-conditioner. The method of claim 3, The control unit controls the drainage pump so that all the condensate contained in the condensate tray after the operation is discharged, characterized in that the air-conditioning combined bathroom. The method according to claim 3 or 4, The control unit controls the drainage pump to maintain the water level of the first heat exchanger accommodating unit so that the bottom region of the first heat exchanger is accommodated in condensed water during the cooling operation.