KR102090022B1 - Method for Operating Duel Air Conditioning Device Using Phase Change Material - Google Patents

Abstract

The present invention relates to a control method of a dual air conditioner system using a phase change material, and more specifically, to a control method of a dual air conditioner system using a phase change material, which can maintain the temperature of cooling water at a low temperature to cool indoor air using a phase change material, and perform air cleaning, dehumidification, and cooling in a single device with high efficiency.

Description

Control method of dual air conditioner using phase change material {Method for Operating Duel Air Conditioning Device Using Phase Change Material}

The present invention relates to a control method of a dual air conditioner system using a phase change material, and more specifically, to maintain the temperature of the cooling water at a low temperature to cool indoor air using a phase change material, and to clean the air. , Dehumidification, cooling relates to a control method of a dual air conditioner device using a phase change material that can be performed in a single device with high efficiency.

In general, the indoor space sealed from the outside, such as a building or a vehicle, is intended to create a cool indoor environment by lowering the indoor temperature increased in hot weather. A cooling device is installed and used.

Recently, due to the weight reduction of the cooling system and the reasons for price and efficiency, a mechanical compression type cooling system using Freon gas is used together with a refrigerant of the carbon fluoride (CFC) series. Such refrigerant systems include evaporators, condensers, compressors, Since the configuration of the expansion valve and the like form a structure connected to each other with a pipe, the refrigerant is circulated through the pipe and is configured to exchange heat with air in the room as it is compressed and expanded.

In the case of the conventional air conditioner system, the refrigerant circulates through the compressor, condenser, expansion valve and evaporator in order to absorb heat from the evaporator and release heat from the condenser. At this time, the evaporator is located indoors, and the condenser is located outdoors together with the compressor. In this way, by absorbing heat from the evaporator located in the room and releasing heat from the condenser located in the room, the heat in the room can be moved to the outdoors and the room can be kept cool.

However, in such a conventional air conditioner system, since the refrigerant must move directly between the indoor unit and the outdoor unit, there is a hassle of connecting a pipe through which a hole can be moved by drilling a hole in the wall. In addition, when installing and removing the air conditioner, there is a problem that the hole in the wall must be filled again.

However, in the case of the conventional cooling device, the structure is very complicated, so the production process is difficult, and there is a problem that the overall device volume is large and the manufacturing cost is high from the components such as a compressor or a condenser. In addition, the conventional cooling device has a problem that there is a risk of leakage of chlorofluorocarbon, which is a refrigerant, and since the refrigerant naturally leaks over time, the refrigerant must be periodically replenished, which leads to troublesome maintenance and maintenance costs. there was.

In order to solve this problem, as shown in Patent Document 1, a window type air conditioner that can be installed in a window connecting the inside and the outside of a room was developed, but such a window type air conditioner also needs to be fixedly installed in a window and does not use an air conditioner. In some cases, there is a problem that cannot act as a window.

In addition, as a conventional technique disclosed in order to solve the above problems, Patent Literature 2 includes a blower for sucking and blowing outside air; An intake having a hollow portion and forming a plurality of air injection passages communicating the inner and outer circumferential surfaces, a casing in which the intake is fixed inside, and an intake distribution space formed in communication with the outside of the plurality of air injection passages of the intake is formed. A cooling turbine provided rotatably in the hollow portion and rotated by air injected through the air injection passage, and including a turbine blade that cools the injected air and discharges it in an axial direction; A blower pipe communicating the blower with the intake distribution space; A cooling air discharge pipe for discharging air cooled by the cooling turbine; A first heat exchanger provided to exchange heat with external air sucked into the blower by the blower tube; A second heat exchanger provided to exchange heat with cooling air discharged from the cooling air discharge pipe to the blower pipe; A second high temperature air supply line having one end communicating with the blower pipe and the other end communicating with the outlet end side of the cooling air discharge pipe; A refrigerant-free cooling device is known, characterized in that the use of a refrigerant is unnecessary as it is configured to include a valve for temperature control provided in the second high-temperature air supply line.

However, in the case of the above Patent Document 2, there is a problem in that the cooling efficiency is significantly reduced by simply cooling the air with only the blower and the cooling turbine, and there is a problem in that the power consumption is large due to excessive use of the blower or the cooling turbine.

Utility Model Registration No. 0156397 Korean Registered Patent No. 1173518

The present invention maintains the temperature of the coolant at a low temperature to cool indoor air using a phase change material, and provides a phase change material capable of performing air cleaning, dehumidification, and cooling in a single device with high efficiency. An object of the present invention is to provide a control method of a dual air conditioner.

In order to solve the above problems, an embodiment of the present invention is a method of controlling a dual air conditioner using a phase change material, wherein the dual air conditioner comprises an upper fan that discharges air cooled from the inside to the outside; A PCM module including a PCM case, a PCM material disposed inside the PCM case, a PCM inner pipe capable of performing heat exchange with the PCM material, and cooling water flowing therein; A circulation pump circulating cooling water flowing through the PCM internal pipe; A compressor that implements a refrigeration cycle by refrigerant, a first condenser, and an expansion valve; An upper heat exchange unit through which the refrigerant is introduced to exchange heat with surrounding air; An intermediate heat exchanger located at a lower side of the upper heat exchanger and performing heat exchange with surrounding air by introducing the cooling water; A first heat exchange module including a lower heat exchange unit located at a lower side of the intermediate heat exchange unit, the refrigerant and cooling water being introduced to exchange heat with surrounding air, and performing heat exchange with the refrigerant and the cooling water; It includes; a switching valve for converting the flow of the refrigerant past the first condenser; and, in accordance with the operation of the switching valve, the dual air conditioner operates in a cooling mode for cooling the surrounding air, or the humidity of the surrounding air It provides a control method of a dual air conditioner device, which operates in a dehumidifying regeneration mode of lowering.

In one embodiment of the present invention, when the dual air conditioner is operated in a cooling mode, the switching valve, the refrigerant passing through the first condenser is drawn into the lower heat exchanger, and the refrigerant drawn into the lower heat exchanger is upper When the dual air conditioner is operated in the dehumidification and regeneration mode after controlling the flow path to be introduced into the compressor after passing through the heat exchanger, in the switching valve, the refrigerant passing through the first condenser is drawn into the upper heat exchange unit, and the upper heat exchange is performed. Provided is a control method of a dual air conditioner that controls a flow path such that a refrigerant introduced as a negative portion enters the compressor after passing through the lower heat exchange portion.

In one embodiment of the present invention, when the dual air conditioner is operated in a cooling mode, the upper heat exchange part acts as an evaporator by performing heat exchange with the surrounding air after the refrigerant passing through the expansion valve enters the dual air conditioner When the device is operated in the dehumidification and regeneration mode, the upper heat exchange unit provides a control method of the dual air conditioner, which acts as a second condenser by performing heat exchange with the surrounding air after the refrigerant passing through the switching valve is drawn in.

In an embodiment of the present invention, when the dual air conditioner is operated in a cooling mode, the lower heat exchange unit receives heat from one or more of refrigerant passing through the switching valve and cooling water passing through the circulation pump to exchange heat with surrounding air. And acting as a second condenser by performing at least one of mutual heat exchange between the coolant and the coolant, and when the dual air conditioner device operates in a dehumidifying and regenerating mode, the lower heat exchange unit cools the circulating valve and the circulation. Provided is a control method of a dual air conditioner that acts as an evaporator by performing heat exchange with ambient air and mutual heat exchange between the coolant and the coolant after the coolant passing through the pump is drawn in.

In one embodiment of the present invention, the cooling mode includes: a first cooling mode in which the circulation pump and the refrigeration cycle operate simultaneously; And a second cooling mode in which only the circulation pump operates.

In one embodiment of the present invention, the dual air conditioner may operate in a first cooling mode in which cooling is performed by refrigerant and cooling water, and in the first cooling mode, the upper fan, the circulation pump, the compressor, and The lower fan is turned on, the switching valve is controlled so that the refrigerant passing through the first condenser enters the lower heat exchanger, and a cooling water and a refrigerant circulate inside the dual air conditioner, thereby providing a control method of the dual air conditioner do.

In one embodiment of the present invention, the dual air conditioner may operate in a second cooling mode in which cooling is performed by cooling water, and in the second cooling mode, the upper fan and the circulation pump are turned on, and the Provided is a method for controlling a dual air conditioner, in which cooling water circulates inside the dual air conditioner.

In one embodiment of the present invention, the dual air conditioner may operate in a dehumidifying and regenerating mode by refrigerant and cooling water, and in the dehumidifying and regenerating mode, the upper fan, the compressor, and the circulation pump are turned on, and the conversion is performed. The valve is controlled so that the refrigerant passing through the first condenser enters the upper heat exchange unit, the cooling water and the refrigerant circulate inside the dual air conditioner, and the cooling water is cooled by the refrigerant in the lower heat exchange unit. Provided is a method for controlling a dual air conditioner in which PCM material is charged.

In one embodiment of the present invention, the dual air conditioner device includes a drip tray capable of storing condensed water in the first heat exchange module; And a lower fan disposed adjacent to the first condenser. In the cooling mode, the lower fan is turned on, so that the heat of the first condenser is absorbed by the water stored in the trough, and the dehumidification regeneration mode. Provides a method for controlling the dual air conditioner in which the lower fan is turned off.

In one embodiment of the present invention, the lower heat exchange unit includes a third pipe through which refrigerant and cooling water can flow, and the third pipe has a structure of a multi-pipe piping including an inner pipe and an outer pipe. When the dual air conditioner operates in a dehumidifying and regeneration mode, any one of the refrigerant and the coolant flows in the inner pipe, and the other of the coolant and the coolant flows in the outer pipe, so that the coolant and the Provided is a control method of a dual air conditioner capable of exchanging cooling water.

According to an embodiment of the present invention, the first condenser is a separate outdoor unit that is disposed outside the case, and is disposed inside the case, and a structure capable of compensating for heat generated inside the first condenser therein. It can exert the effect of realizing the air conditioner without installation.

According to an embodiment of the present invention, as the dual air conditioner device arranges an air cleaning filter therein and the air cleaning filter arranges an evaporation module therein, the air cleaning function and the cooling function are all performed as one device. You can exert the effect you can.

According to an embodiment of the present invention, the dual air conditioner has a heat exchange assembly in which the first heat exchange module and the switching valve operate as one device, and the upper heat exchange unit provided in the first heat exchange module according to the operation mode of the switching valve And by changing the role of the lower heat exchange unit, it is possible to exert the effect of performing both a cooling function and a dehumidifying function as one device.

According to an embodiment of the present invention, the refrigerant and the coolant perform primary heat exchange with the surrounding air and secondary heat exchange with each other by a third pipe constituting a multi-pipe structure, thereby exchanging heat exchange efficiency and PCM material. It can exert an effect that can improve the charging efficiency of.

According to an embodiment of the present invention, when the dual air conditioner operates in the dehumidification regeneration mode, the PCM material is phase-changed and charged simultaneously with the dehumidification of external air, thereby minimizing the hassle of replenishing the PCM material periodically and maintaining maintenance costs. It can exert an effect that can save.

Figure 1 schematically shows the appearance of a dual air conditioner according to an embodiment of the present invention.
Figure 2 schematically shows the rear of the dual air conditioner according to an embodiment of the present invention.
Figure 3 schematically shows an exploded perspective view of the internal module according to an embodiment of the present invention.
4 schematically shows an exploded perspective view of an internal module according to an embodiment of the present invention.
5 schematically shows an internal configuration according to an embodiment of the present invention.
6 schematically shows the internal configuration of a PCM module according to an embodiment of the present invention.
7 schematically illustrates an exploded perspective view of an evaporation module according to an embodiment of the present invention.
8 schematically shows a cross-section of an assembly state of an evaporation module according to an embodiment of the present invention.
9 schematically illustrates a first heat exchange module according to an embodiment of the present invention.
10 schematically shows a top view of an upper heat exchange unit according to an embodiment of the present invention.
11 schematically shows a plan view of an intermediate heat exchange unit according to an embodiment of the present invention.
12 schematically shows a plan view of a lower heat exchange unit according to an embodiment of the present invention.
13 schematically shows a third pipe according to an embodiment of the present invention.
14 schematically shows a cross-section of a switching valve according to an embodiment of the present invention.
15 conceptually illustrates a movement path of a refrigerant and coolant in a first cooling mode according to an embodiment of the present invention.
16 conceptually illustrates a movement path of cooling water in a second cooling mode according to an embodiment of the present invention.
17 conceptually illustrates a movement path of refrigerant and coolant in a dehumidifying and regeneration mode according to an embodiment of the present invention.
18 conceptually illustrates a movement path of condensate according to an embodiment of the present invention.
19 conceptually illustrates air flow inside a dual air conditioner according to an embodiment of the present invention.
20 conceptually illustrates the internal temperature gradient of the first heat exchange module when the dual air conditioner according to an embodiment of the present invention is in the first cooling mode.
21 conceptually illustrates the temperature gradient inside the first heat exchange module when the dual air conditioner according to an embodiment of the present invention is in a dehumidifying regeneration mode.
22 schematically illustrates control elements of a control unit according to an embodiment of the present invention.
23 schematically shows operating elements of a dual air conditioner according to an embodiment of the present invention.

In the following, various embodiments and / or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, a number of specific details are disclosed to aid the overall understanding of one or more aspects. However, it will also be appreciated by those of ordinary skill in the art of the present invention that this aspect (s) can be practiced without these specific details. The following description and the annexed drawings set forth in detail certain illustrative aspects of the one or more aspects. However, these aspects are exemplary and some of the various methods in the principles of the various aspects may be used, and the descriptions described are intended to include all such aspects and their equivalents.

As used herein, "an embodiment", "yes", "a good", "an example", etc., may not be construed as any aspect or design described being better or more advantageous than another aspect or designs. .

In addition, the term “or” is intended to mean an inclusive “or” rather than an exclusive “or”. That is, unless specified otherwise or unclear in context, "X uses A or B" is intended to mean one of the natural inclusive substitutions. That is, X uses A; X uses B; Or, if X uses both A and B, "X uses A or B" can be applied in either of these cases. It should also be understood that the term “and / or” as used herein refers to and includes all possible combinations of one or more of the listed related items.

Also, the terms “comprises” and / or “comprising” mean that the feature and / or component is present, but excludes the presence or addition of one or more other features, components, and / or groups thereof. It should be understood as not.

Further, terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from other components. For example, the first component may be referred to as a second component without departing from the scope of the present invention, and similarly, the second component may be referred to as a first component. The term and / or includes a combination of a plurality of related described items or any one of a plurality of related described items.

In addition, in the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are generally understood by those skilled in the art to which the present invention pertains. It has the same meaning as that. Terms, such as those defined in a commonly used dictionary, should be interpreted as having meanings consistent with meanings in the context of related technologies, and are ideally or excessively formal meanings unless explicitly defined in the embodiments of the present invention. Is not interpreted as

1 schematically shows the outer appearance of a dual air conditioner 1 according to an embodiment of the present invention, and FIG. 2 schematically shows a rear face of a dual air conditioner 1 according to an embodiment of the present invention.

The dual air conditioner (1), as shown in Figures 1 and 2, may be provided with a case 100 on the outside, the case 100, the tuyereok cover 110, the upper case 120 , A lower case 130, a drip tray 140, a suction port 150, and a condensation heat discharge unit 160.

The tuyere cover 110, as the dual air conditioner device 1 operates, can be moved in the vertical direction by the tuyere cover moving module 111, which will be described later, and the air cooled in the dual air conditioner device 1 It can serve as a passage to allow discharge to the outside.

The upper case 120 is disposed on the lower side of the tuyere cover 110, the lower case 130 is disposed on the lower side of the upper case 120, the dual air-conditioning device (1) inside The module 200 may be protected from external environments.

The drip tray 140 is disposed under the lower case 130 to store water including condensate generated therein as the dual air conditioner 1 operates.

The intake port 150 is disposed on the rear surface of the lower case 130 and can intake external air into the dual air conditioner 1. The external air may be discharged to the outside again through the tuyere cover 110 after the temperature is lowered due to heat exchange with the refrigerant and / or coolant in the dual air conditioner 1.

The condensation heat discharging unit 160 is disposed at the bottom of the lower case 130 and the rear of the drip tray 140, and the refrigerant in the first condenser 240 disposed inside the dual air conditioner 1 When heat generated due to heat exchange with the ambient air is discharged to the outside by the lower fan 241, which will be described later, the lower fan 241 may serve as a passage through which the heat can be discharged. At the same time, the heat of the first condenser 240 may be absorbed by the trough 140 by the operation of the lower fan 241, and details of this will be described later.

Hereinafter, the internal module 200 and its components of the dual air conditioner 1 according to an embodiment of the present invention will be described in detail.

3 schematically shows an exploded perspective view of the internal module 200 according to an embodiment of the present invention, and FIG. 4 schematically shows an exploded perspective view of the internal module 200 according to an embodiment of the present invention do. In addition, FIG. 5 schematically shows an internal configuration according to an embodiment of the present invention.

The dual air conditioner 1 according to an embodiment of the present invention is a dual air conditioner 1 using a phase change material, and the upper fan 210 for discharging the air cooled in the dual air conditioner 1 to the outside ); A PCM case 223, a PCM material 222 disposed inside the PCM case 223, which can perform heat exchange with the PCM material 222, and includes a PCM inner pipe 221 through which cooling water flows inside. PCM module 220; A circulation pump 227 for circulating the cooling water flowing through the PCM internal pipe 221; A compressor 230 that implements a refrigeration cycle by a refrigerant, a first condenser 240, and an expansion valve 250; An upper heat exchange unit 261 through which the refrigerant is introduced to exchange heat with surrounding air; An intermediate heat exchange unit 262 located at a lower side of the upper heat exchange unit 261 and performing heat exchange with surrounding air by introducing the cooling water; It is located below the intermediate heat exchange unit 262, the refrigerant and the coolant is introduced to perform heat exchange with the surrounding air, and the lower heat exchange unit 263 capable of performing heat exchange with the refrigerant and the cooling water; includes A first heat exchange module 260; And a switching valve 280 for changing an operation mode by selectively controlling whether the refrigerant passing through the first condenser 240 is introduced into the upper heat exchange unit 261 or the lower heat exchange unit 263. Including, when the dual air conditioner device 1 operates in a cooling mode, air introduced from the outside may be lowered by the first heat exchange module 260 and discharged to the outside by the upper fan 210. have.

According to an embodiment of the present invention, the dual air conditioner device 1 is disposed under the first heat exchange module 260, external air is introduced from the inlet 150, and a hollow cylindrical structure is formed of a porous material. Evaporation module having a (290); may further include. According to an embodiment of the present invention, the dual air conditioner device 1 surrounds the evaporation module 290 disposed under the first heat exchange module 260, and has an air cleaning filter 300 having a hollow cylindrical structure. ); May be further included.

According to an embodiment of the present invention, the dual air conditioner 1 is disposed between the compressor 230 and the first condenser 240, and a second heat exchange module 270 including multiple pipes therein ); Further comprising, the condensed water condensed in the first heat exchange module 260 and the refrigerant discharged from the compressor 230 are introduced into the multi-pipe piping inside the second heat exchange module 270, thereby condensing water. And the refrigerant may perform heat exchange with each other.

According to an embodiment of the present invention, the dual air conditioner device 1 includes: a drip tray 140 capable of storing condensed water in the first heat exchange module 260; And a lower fan 241 disposed adjacent to the first condenser 240.

According to an embodiment of the present invention, the dual air conditioner 1 may further include a control unit 400 that controls the operation of the components of the dual air conditioner 1 in response to a user's manipulation. .

The components of the above-described internal module 200 may be disposed inside the case 100. The internal module 200, the upper fan 210, the PCM module 220, the compressor 230, the first condenser 240, the expansion valve 250, the first heat exchange module 260 ), The second heat exchange module 270, the switching valve 280, and the evaporation module 290.

The upper fan 210 may be disposed inside the upper case 120 and induce a flow of air to discharge the air cooled inside the dual air conditioner 1 to the outside. Preferably, by operating the upper fan 210, the air cooled in the dual air conditioner 1 may flow into the tuyere cover 110, and the upper side by the tuyere cover moving module 111. The cooled air may be discharged to the outside of the upper side through the tuyere cover 110 moving to.

Meanwhile, the PCM module 220 may be disposed inside the lower case 130, and include the PCM inner pipe 221, the PCM material 222, and the PCM case 223. The PCM material 222 may perform heat exchange between the water flowing inside the PCM module 220 and the PCM inner pipe 221, and accordingly, the PCM module 220 may produce cooling water. Details related to the PCM module 220 will be described later in FIG. 6.

Meanwhile, the dual air conditioner 1 may include the circulation pump 227 disposed adjacent to the PCM module 220 and circulating cooling water flowing through the PCM internal pipe 221. The circulation pump 227 may circulate the cooling water cooled by the PCM module 220 inside the dual air conditioner 1. Details of the circulation pump 227 will be described later in FIGS. 6, 15, 16, and 17.

Meanwhile, the compressor 230 and the first condenser 240 may be disposed inside the lower case 130 and the expansion valve 250 may be disposed inside the upper case 120. The compressor 230, the first condenser 240, and the expansion valve 250 may implement a refrigeration cycle by a refrigerant, and the refrigerant that has undergone the refrigeration cycle may have a temperature below room temperature. Preferably, the temperature of the refrigerant cooled by the refrigeration cycle may be between about 8 degrees and 12 degrees, more preferably about 10 degrees. Details of the refrigeration cycle will be described later in FIGS. 15 and 17.

Meanwhile, the first condenser 240 may include the lower fan 241 at an adjacent position, and heat generated by the first condenser 240 to the outside by the lower fan 241. Can be discharged. Preferably, the heat may be generated by performing heat exchange with ambient air in the process of the first condenser 240 condensing the refrigerant, and the heat may be disposed adjacent to the first condenser 240. It can be moved to the condensation heat discharge unit 160 by the lower fan 241 and discharged to the outside. In addition, the heat of the first condenser 240 may be absorbed into the drip tray 140 by the operation of the lower fan 241. Accordingly, in the present invention, the first condenser 240 is not a separate outdoor unit, but is disposed inside the case 100, and the heat generated by the first condenser 240 is compensated therein. As a structure capable of, it is possible to exert the effect of realizing an air conditioner without installing a separate outdoor unit.

On the other hand, the first heat exchange module 260 is disposed inside the upper case 120, the upper heat exchange unit 261, the intermediate heat exchange unit 262 located below the upper heat exchange unit 261 , And the lower heat exchange part 263 located below the intermediate heat exchange part 262. The upper heat exchange unit 261 may function as an evaporator or a second condenser according to the flow of the refrigerant and / or the cooling water flowing therein, and the lower heat exchange unit 263 may be provided with the refrigerant flowing therein and / or Alternatively, a second condenser or an evaporator may function according to the flow of the cooling water, and the upper heat exchange part 261 and the lower heat exchange part 263 may include the compressor 230, the first condenser 240, And the refrigeration cycle together with the expansion valve 250. Details related to the first heat exchange module 260 will be described later in FIGS. 9, 10, 11, 12, and 13.

Meanwhile, the second heat exchange module 270 may be disposed between the compressor 230 and the first condenser 240 inside the lower case 130. The second heat exchange module 270 may be provided with multiple pipes therein, and condensate that has not been evaporated from the evaporation module 290 inside the multiple pipes and refrigerant discharged from the compressor 230 simultaneously It can flow to perform mutual heat exchange. Details of the multiple pipes will be described later in FIG. 13.

Meanwhile, the switching valve 280 is disposed inside the upper case 120 and flows through a flow path through which refrigerant passing through the switching valve 280 flows according to the operation mode of the dual air conditioner 1. Can be controlled. Details of the switching valve 280 will be described later in FIG. 14.

On the other hand, the evaporation module 290, is disposed inside the lower case 130, the outside air may be introduced from the suction port 150. In addition, the dual air conditioner device 1 may include the air cleaning filter 300 surrounding the evaporation module 290 and having a hollow cylindrical structure. Accordingly, the external air introduced through the suction port 150 may filter impurities by the air cleaning filter 300, and the filtered external air passes through the first heat exchange module 260. It can be discharged outside the upper side. As described above, as the dual air conditioner 1 arranges the air cleaning filter 300 inside, and the air cleaning filter 300 arranges the evaporation module 290 therein, air as one device It is possible to exert the effect of performing both the clean function and the cooling function. Details of this will be described later in FIGS. 7 and 8.

Meanwhile, the control unit 400 may be disposed inside the upper case 120 and operate components of the dual air conditioner 1 in response to user manipulation. Details of the operation of the control unit 400 will be described later in FIGS. 22 and 23.

Meanwhile, the tuyere cover moving module 111 may be disposed in contact with one surface of the tuyere cover 110 inside the upper case 120. As described above, the tuyeres cover 110 is a path that allows the air cooled in the dual air conditioner 1 to be discharged to the outside by moving in the vertical direction as the dual air conditioner 1 operates. Can play a role. At this time, the tuyere cover 110, the tuyere cover moving module 111 can be moved in the vertical direction, the movement range can be controlled according to the user's operation.

Meanwhile, the drip tray 140 is disposed under the lower case 130 to store water generated therein as the dual air conditioner 1 operates. Preferably, as the dual air conditioner 1 operates, the condensed water condensed in the first heat exchange module 260 is a condensed water storage unit 264 provided under the first heat exchange module 260. And is discharged to the evaporation module 290, a part of the condensed water is evaporated, and the remaining part of the condensed water is discharged to the second heat exchange module 270, and inside the second heat exchange module 270 Heat exchange with the refrigerant discharged from the compressor 230 may be performed and discharged to the drip tray 140.

6 schematically shows an internal configuration of the PCM module 220 according to an embodiment of the present invention.

The PCM module 220 according to an embodiment of the present invention, as shown in Figure 6, the PCM case 223, the PCM material 222 disposed inside the PCM case 223, the PCM Heat exchange with the material 222 may be performed, and may include a PCM inner pipe 221 through which cooling water flows. In addition, the PCM module 220, a PCM supplementary pressure tank 225; And an air vent 224 capable of discharging gas to the outside.

For the PCM material 222, an organic, inorganic, or organic and inorganic mixed change material (PCM) material may be used, and a phase change may be performed at a temperature below room temperature. Accordingly, the PCM internal pipe 221 ), A known PCM material 222 capable of performing heat exchange with cooling water flowing therethrough may be used. Preferably, the PCM material 222 corresponding to a phase change temperature between 16 degrees and 20 degrees, more preferably, about 18 degrees may be used. The PCM material 222 absorbs heat of the cooling water when the dual air conditioner 1 operates in a cooling mode, which will be described later, and a part of the PCM material 222 is changed to a liquid state, and the dual air conditioner When (1) is operated in the dehumidification and regeneration mode described later, the liquid material may change phase to the solid material.

The PCM module 220 according to an embodiment of the present invention may further include a cooling water tank 226 capable of storing cooling water cooled in the PCM module 220 in an internal space.

The cooling water tank 226 is disposed adjacent to the PCM module 220 to receive and store the cooling water discharged from the PCM module 220, and the cooling water according to the operation of the dual air conditioner 1 It can be discharged to the circulation pump (227). The cooling water tank 226 may temporarily store the cooling water, and, if necessary, the cooling water may be stored for a period of time.

On the other hand, the dual air conditioner 1 according to an embodiment of the present invention, as described above, may include the circulation pump 227 for circulating the cooling water flowing through the PCM inner pipe 221; The cooling water cooled by the PCM module 220 may be circulated inside the dual air conditioner (1).

Preferably, the water flowing through the PCM inner pipe 221 may be cooled through heat exchange with the PCM material 222 accommodated inside the PCM case 223, and the cooled water is the cooling water tank as cooling water. It can be stored in (226), the dual air conditioner (1) as the operation of the circulation pump 227 draws the cooling water stored in the cooling water tank 226 and discharged to the first heat exchange module (260) can do. More preferably, the cooling water cooled by the PCM module 220 is circulated to the first heat exchange module 260 by the circulation pump 227, so that the dual air conditioner 1 is cooled later. Or it can operate in dehumidification and regeneration mode.

7 schematically shows an exploded perspective view of the evaporation module 290 according to an embodiment of the present invention, and FIG. 8 schematically illustrates a cross-section of the assembled state of the evaporation module 290 according to an embodiment of the present invention As shown.

According to an embodiment of the present invention, the dual air conditioner device 1 is disposed under the first heat exchange module 260, external air is introduced from the inlet 150, and a hollow cylindrical structure is formed of a porous material. The evaporation module 290 having; further comprising, the temperature of the external air introduced from the suction port 150 while the condensed water condensed in the first heat exchange module 260 is injected into the evaporation module 290 to vaporize Can be lowered primarily.

As described above, the evaporation module 290 is disposed on the inner top of the lower case 130, and may introduce external air from the intake 150.

The evaporation module 290 is formed of a porous material and may have a hollow cylindrical structure. When the condensed water condensed in the first heat exchange module 260 is sprayed inside the evaporation module 290 due to the above-described structure, the condensed water can be vaporized inside the evaporation module 290, The temperature of the external air introduced from the suction port 150 may be primarily lowered by vaporization of the condensate. Preferably, as the condensed water vaporizes in the interior of the evaporation module 290, the temperature of the air introduced from the outside of the case 100 is primarily lowered, so that the tuyere cover 110 by the upper fan 210 It can be introduced into and discharged to the outside of the upper side.

In addition, the evaporation module 290, may be provided with a fan on the upper side, the fan rotates while receiving the condensed water condensed in the first heat exchange module 260 can be injected to the evaporation module 290 have. In one embodiment of the present invention, the fan can be operated by air introduced from the outside of the case 100, the condensate supplied to the upper side of the fan is sprayed and the fan rotates, so that each of the fans Water can be sprayed in the radial direction to the tip of the blade. In addition, the condensate may be stored in the condensate storage unit 264 disposed under the first heat exchange module 260, and moved to the center of the fan through a hose connected to the condensate storage unit 264. Water droplets may be moved from the center of the fan to the front end of each blade of the fan by rotation of the fan, and the water droplets may be radially sprayed along the moving direction, and the sprayed water droplets are porous members. It may be formed on the evaporation module 290. With this configuration, cooling of the air may occur as the water droplets are vaporized in the surrounding air passing through the evaporation module 290.

In addition, the evaporation module 290 may include a fan support and a fan plate on the upper side, the fan support rotatably support the fan, and the fan plate may support the fan support. Since the fan plate is fixed inside the case 100, the fan may be fixed to be rotatable inside the case 100.

In one embodiment of the present invention, the fan may be configured to rotate by receiving power from an external motor.

On the other hand, as described above, according to an embodiment of the present invention, the dual air conditioner device 1 surrounds the evaporation module 290 disposed under the first heat exchange module 260, and has a hollow cylindrical structure. Air cleaning filter 300 having; may further include.

Since the air cleaning filter 300 has a hollow cylindrical structure surrounding the evaporation module 290, air introduced from the outside of the case 100 filters impurities and moves into the evaporation module 290, As the condensate is vaporized in the air filtered with impurities, primarily cooled air may be introduced into the tuyere cover 110 by the upper fan 210 and discharged to the upper outside.

As described above, as the dual air conditioner 1 arranges the air cleaning filter 300 inside, and the air cleaning filter 300 arranges the evaporation module 290 therein, air as one device It is possible to exert the effect of performing both the clean function and the cooling function.

The heat exchange assembly 500 according to an embodiment of the present invention includes the first heat exchange module 260 and the changeover valve 280, and the first heat exchange module 260 and the changeover valve 280. Can be an assembly that acts as a device.

Hereinafter, the heat exchange assembly 500 used in the dual air conditioner 1 according to an embodiment of the present invention will be described in detail.

9 schematically illustrates the first heat exchange module 260 according to an embodiment of the present invention.

According to an embodiment of the present invention, the heat exchange assembly 500 used in the dual air conditioner 1 using a phase change material, the refrigerant in the refrigeration cycle is drawn into the upper heat exchange unit for performing heat exchange with the surrounding air ( 261); An intermediate heat exchange unit 262 located below the upper heat exchange unit 261 and cooling water cooled by the PCM material 222 is introduced to exchange heat with surrounding air; It is located below the intermediate heat exchange unit 262, the refrigerant and the coolant is introduced to perform heat exchange with the surrounding air, and the lower heat exchange unit 263 capable of performing heat exchange with the refrigerant and the cooling water; includes can do.

As described above, the first heat exchange module 260 includes the upper heat exchange part 261, the intermediate heat exchange part 262 positioned below the upper heat exchange part 261, and the intermediate heat exchange part 262. ) May include the lower heat exchange portion 263 located on the lower side, and is schematically illustrated in FIG. 9.

The upper heat exchange unit 261, the refrigerant in the refrigeration cycle is drawn inside to perform heat exchange with the surrounding air, the intermediate heat exchange unit 262, the PCM material 222 therein The cooled cooling water is introduced to perform heat exchange with the surrounding air, and the lower heat exchange unit 263 can exchange heat with the surrounding air by introducing the refrigerant and the cooling water therein.

10 is according to an embodiment of the present invention A top view of the upper heat exchange section 261 is schematically illustrated.

According to an embodiment of the present invention, the upper heat exchange unit 261 includes: a first pipe 261.1 through which a refrigerant can flow; Refrigerant that is disposed at one end of the first pipe 261.1 and passes through the expansion valve 250 in the refrigeration cycle by the operation of the switching valve 280, or refrigerant that has passed through the switching valve 280. A first port 261.3 discharged; And the expansion valve 250 in the refrigeration cycle, which is disposed at the other end of the first pipe 261.1, and the refrigerant passing through the switching valve 280 is drawn in, or is operated by the switching valve 280. And a second port 261.4 through which the past refrigerant is discharged.

According to an embodiment of the present invention, the upper heat exchange part 261 may include a first heat exchange plate 261.2 through which the first pipe 261.1 penetrates at a plurality of points.

10, the upper heat exchange part 261 may include the first pipe 261.1, the first port 261.3, and the second port 261.4.

The refrigerant in the refrigeration cycle may be introduced into the first pipe 261.1 as described above. The refrigerant may exchange heat with air around the first pipe 261.1. In one embodiment of the present invention, depending on the role played by the upper heat exchange part 261, the refrigerant flowing through the first pipe 261.1 can cool the surrounding air, and the cooled air is the upper part. The fan 210 may be discharged to the outside of the upper side through the tuyere cover 110. The role played by the upper heat exchange unit 261 may be changed according to the operation mode of the switching valve 280, which will be described later.

Meanwhile, the first port 261.3 may be disposed at one end of the first pipe 261.1, and the second port 261.4 may be disposed at the other end of the first pipe 261.1. That is, the first port 261.3 and the second port 261.4 are both ends of the first pipe 261.1, and the direction of movement of the refrigerant flowing inside the first pipe 261.1 is that of the switching valve. It can be controlled by the operating mode. Preferably, in the exemplary embodiment of the present invention, the refrigerant is introduced into the first port 261.3 disposed at one end of the first pipe 261.1 and the agent disposed at the other end of the first pipe 261.1. The refrigerant may be discharged through the 2 port 261.4, and the refrigerant is drawn into the second port 261.4 disposed at the other end of the first pipe 261.1 in the embodiment of the present invention, so that the refrigerant is drawn into the first pipe. The refrigerant may be discharged to the first port 261.3 disposed at one end of 261.1. More preferably, the refrigerant may be drawn in from the first port 261.3 and discharged to the second port 261.4 according to the operation mode of the switching valve 280 described later, and the switching described later. Depending on the operation mode of the valve 280, it may be drawn in from the second port 261.4 and discharged to the first port 261.3.

On the other hand, the first heat exchange plate (261.2) is in the form of a plate, and the first pipe (261.1) may penetrate through and contact at multiple points. Due to the structure in which the first heat exchange plate 261.2 and the first pipe 261.1 contact each other, the first heat exchange plate 261.2 and the first pipe 261.1 can perform heat exchange by conduction with each other. have. Preferably, the first heat exchange plate 261.2 may contact the first pipe 261.1 to perform heat exchange by conduction between the first pipes 261.1 disposed adjacent to each other. .

11 schematically shows a plan view of the intermediate heat exchange unit 262 according to an embodiment of the present invention.

According to an embodiment of the present invention, the intermediate heat exchange unit 262, a second pipe (262.1) through which cooling water can flow; A third port 262.3 disposed at one end of the second pipe 262.1 and receiving coolant that has passed through the lower heat exchange part 263; And a fourth port 262.4 disposed at the other end of the second pipe 262.1 and through which the coolant introduced through the third port 262.3 is discharged.

According to an embodiment of the present invention, the intermediate heat exchange unit 262 may include a second heat exchange plate 262.2 through which the second pipe 262.1 penetrates at a plurality of points.

As illustrated in FIG. 11, the intermediate heat exchange unit 262 may include the second pipe 262.1, the third port 262.3, and the fourth port 262.4.

The second pipe 262.1, as described above, the cooling water cooled in the PCM module 220 may be introduced therein. The cooling water may perform heat exchange with air around the second pipe 262.1. The cooling water flowing through the second pipe 262.1 may cool the surrounding air, and the cooled air may be discharged to the upper outside through the tuyere cover 110 by the upper fan 210.

Meanwhile, the third port 262.3 may be disposed at one end of the second pipe 262.1, and the fourth port 262.4 may be disposed at the other end of the second pipe 262.1. That is, the third port 262.3 and the fourth port 262.4 may be both ends of the second pipe 262.1. Preferably, in one embodiment of the present invention, the cooling water may be introduced from the third port 262.3 and discharged to the fourth port 262.4.

On the other hand, the second heat exchange plate (262.2) is in the form of a plate, and the second pipe (262.1) may penetrate through and contact at multiple points. Due to the structure in which the second heat exchange plate 262.2 and the second pipe 262.1 contact each other, the second heat exchange plate 262.2 and the second pipe 262.1 can perform heat exchange by conduction with each other. have. Preferably, the second heat exchange plate 262.2 may contact the second pipe 262.1 to perform heat exchange by conduction between the second pipes 262.1 disposed adjacent to each other. .

12 schematically shows a plan view of the lower heat exchange part 263 according to an embodiment of the present invention.

According to an embodiment of the present invention, the lower heat exchange unit 263 includes a third pipe (263.1) through which refrigerant and cooling water can flow; Refrigerant that is disposed at one end of the third pipe (263.1) and passes through the expansion valve (250) in the refrigeration cycle by the operation of the switching valve (280), or passes through the switching valve (280). Is discharged, and the fifth port 263.3 through which the coolant passing through the circulation pump 227 disposed adjacent to the PCM module 220 is discharged; And the refrigerant disposed at the other end of the third pipe (263.1), the refrigerant passing through the switching valve 280 is drawn in, or the refrigerant passing through the expansion valve 250 in the refrigeration cycle by the operation of the switching valve 280. May be discharged, and a sixth port 263.4 through which the coolant passing through the circulation pump 227 is introduced.

According to an embodiment of the present invention, the lower heat exchange part 263 may include a third heat exchange plate 263.2 through which the third pipe 263.1 penetrates and contacts at a plurality of points.

As illustrated in FIG. 12, the lower heat exchange part 263 may include the third pipe 263.1, the fifth port 263.3, and the sixth port 263.4.

In the third pipe 263.1, as described above, the refrigerant in the refrigeration cycle may be introduced therein.

The refrigerant may exchange heat with air around the third pipe 263.1. In one embodiment of the present invention, depending on the role played by the lower heat exchange unit 263, the refrigerant flowing through the third pipe 263.1 can cool the surrounding air, and the cooled air is the upper The fan 210 may be discharged to the outside of the upper side through the tuyere cover 110. The role played by the lower heat exchange unit 263 may be changed according to an operation mode of the switching valve 280 described later.

In addition, the cooling water cooled by the PCM module 220 may be introduced into the third pipe 263.1 as described above.

The cooling water may exchange heat with air around the third pipe 263.1. The cooling water flowing through the third pipe 263.1 may cool the surrounding air, and the cooled air may be discharged to the upper outside through the tuyere cover 110 by the upper fan 210.

Meanwhile, the fifth port 263.3 may be disposed at one end of the third pipe 263.1, and the sixth port 263.4 may be disposed at the other end of the third pipe 263.1. That is, the fifth port 263.3 and the sixth port 263.4 are both ends of the third pipe 263.1, and the direction of movement of the refrigerant flowing inside the third pipe 263.1 is the changeover valve It can be controlled by the operation mode of 280.

Preferably, in the exemplary embodiment of the present invention, the refrigerant is introduced into the fifth port 263.3 disposed at one end of the third pipe 263.1 and the agent disposed at the other end of the third pipe 263.1. The refrigerant may be discharged to the 6 port 263.4, and the refrigerant is drawn into the 6th port 263.4 disposed at the other end of the third pipe 263.1 in one embodiment of the present invention, so that the third pipe is The refrigerant may be discharged to the fifth port 263.3 disposed at one end of (263.1). More preferably, the refrigerant may be drawn in from the fifth port 263.3 and discharged to the sixth port 263.4 according to the operation mode of the switching valve 280 described later, and the switching valve (described later) Depending on the operation mode of 280, it may be drawn in from the sixth port 263.4 and discharged to the fifth port 263.3.

On the other hand, the third heat exchange plate (263.2) is in the form of a plate, and the third pipe (263.1) may penetrate through and contact at multiple points. Due to the structure in which the third heat exchange plate 263.2 and the third pipe 263.1 contact each other, the third heat exchange plate 263.2 and the third pipe 263.1 can perform heat exchange by conduction with each other. have. Preferably, the third heat exchange plate 263.2 may contact the third pipe 263.1 to perform heat exchange by conduction between the third pipes 263.1 disposed adjacent to each other. .

In one embodiment of the present invention, the first heat exchange plate (261.2), the second heat exchange plate (262.2) disposed at the bottom of the first heat exchange plate (261.2), and the bottom of the second heat exchange plate (262.2) The third heat exchange plate (263.2) disposed in may be disposed in contact at a plurality of points so as to perform heat exchange by conduction with each other.

10, 11, and 12, the first heat exchange plate 261.2 is the first pipe to perform heat exchange by conduction between the first pipes 261.1 disposed adjacent to each other. (261.1), the second heat exchange plate (262.2) to the second pipe (262.1) to perform heat exchange by conduction between the second pipe (262.1) disposed adjacent to each other The third heat exchange plate 263.2 may contact the third pipe 263.1 so that heat exchange by conduction can be performed between the third pipes 263.1 disposed adjacent to each other. . At the same time, as described above with reference to FIG. 9, the first heat exchange plate 261.2 as the upper heat exchange portion 261, the intermediate heat exchange portion 262, and the lower heat exchange portion 263 are stacked and arranged with each other. The second heat exchange plate 262.2 may be disposed on the lower side, and the third heat exchange plate 263.2 may be disposed on the lower side of the second heat exchange plate 262.2.

By the structure in which the first heat exchange plate 261.2, the second heat exchange plate 262.2, and the third heat exchange plate 263.2 are arranged, the first heat exchange plate 261.2, the second heat exchange plate (262.2), and the third heat exchange plate (263.2) may perform heat exchange by mutual conduction.

13 schematically shows the third pipe 263.1 according to an embodiment of the present invention.

13 (A) schematically shows the third pipe 263.1, and FIGS. 13 (B) and 13 (C) are the inner pipe 263.11 and the outside provided in the third pipe 263.1. The flow of refrigerant and cooling water flowing through the pipe 263.12 is conceptually illustrated.

In one embodiment of the present invention, the lower heat exchange portion 263 includes a third pipe (263.1) through which refrigerant and coolant can flow, and the third pipe (263.1) is an inner pipe (263.11), and It has a structure of a multi-pipe including an external pipe (263.12), in the inner pipe (263.11), any one of the refrigerant and coolant may flow, and in the outer pipe (263.12), the other one of the refrigerant and coolant Can flow.

As illustrated in FIG. 13, the third pipe 263.1 may have a structure of a multiple pipe composed of the inner pipe 263.11 and the outer pipe 263.12. In one embodiment of the present invention, the refrigerant cooled by the refrigeration cycle may flow through the inner pipe 263.11, and the cooling water cooled by the PCM module 220 through the outer pipe 263.12 may flow. You can. In one embodiment of the present invention, the cooling water cooled by the PCM module 220 may flow through the inner pipe 263.11, and the refrigerant cooled by the refrigeration cycle flows through the outer pipe 263.12. You can.

As described above, the refrigerant that has undergone the refrigeration cycle may be at a temperature below room temperature, preferably between about 8 degrees and 12 degrees, and more preferably about 10 degrees. In addition, the cooling water cooled by the PCM material 222 in the PCM module 220 may be a temperature below room temperature by the PCM material 222 where a phase change occurs at a temperature below room temperature, preferably. It may correspond to between about 16 degrees and 20 degrees, more preferably about 18 degrees.

Accordingly, the third pipe 263.1 may be heat-exchanged with the air around the third pipe 263.1 by introducing the refrigerant in the refrigeration cycle, and the PCM material 222 therein. The cooling water cooled by is introduced to heat exchange with the air around the third pipe 263.1.

At the same time, the third pipe 263.1 may exchange heat between the refrigerant and the coolant by flowing the refrigerant and the coolant in the inner pipe 263.11 and the outer pipe 263.12. In addition, when the dual air conditioner device 1 operates in a dehumidification and regeneration mode described later, charging of the PCM material 222 (phase change from liquid to solid) is performed through mutual heat exchange between the refrigerant and the cooling water. You can.

In this way, the lower heat exchange unit 263 disposed under the first heat exchange module 260 is provided with the third pipe 263.1 constituting a multi-pipe structure, so that the first heat exchange module 260 It is possible to exert an effect of improving the heat exchange efficiency and the charging efficiency of the PCM material 222. Preferably, the lower heat exchange unit 263 includes the third pipe 263.1 forming a multi-pipe structure, and the refrigerant and the cooling water flow simultaneously inside the third pipe 263.1, so that the The refrigerant and the cooling water may exchange heat with the surrounding air, and at the same time, exchange heat with each other. Through this, it is possible to exert an effect of increasing the heat exchange efficiency and the filling efficiency of the PCM material 222. More preferably, the third pipe (263.1) constituting a multi-pipe piping structure performs the primary heat exchange with the refrigerant and the coolant around the air and performs secondary heat exchange with each other, thereby exchanging heat exchange efficiency and the PCM. An effect capable of improving the filling efficiency of the material 222 can be exhibited.

According to an embodiment of the present invention, the upper heat exchange unit 261 includes: a first pipe 261.1 through which a refrigerant can flow; Refrigerant that is disposed at one end of the first pipe 261.1 and passes through the expansion valve 250 in the refrigeration cycle by the operation of the switching valve 280, or refrigerant that has passed through the switching valve 280. A first port 261.3 discharged; And the expansion valve 250 in the refrigeration cycle, which is disposed at the other end of the first pipe 261.1, and the refrigerant passing through the switching valve 280 is drawn in, or is operated by the switching valve 280. The second port 261.4 through which the past refrigerant is discharged; includes, and the lower heat exchange unit 263 includes: a third pipe 263.1 through which refrigerant and cooling water can flow; Refrigerant that is disposed at one end of the third pipe (263.1) and passes through the expansion valve (250) in the refrigeration cycle by the operation of the switching valve (280), or passes through the switching valve (280). Is discharged, and the fifth port 263.3 through which the coolant passing through the circulation pump 227 disposed adjacent to the PCM module 220 is discharged; And the refrigerant disposed at the other end of the third pipe (263.1), the refrigerant passing through the switching valve 280 is drawn in, or the refrigerant passing through the expansion valve 250 in the refrigeration cycle by the operation of the switching valve 280. May be discharged, and a sixth port 263.4 through which the coolant passing through the circulation pump 227 is introduced.

In one embodiment of the present invention, the first port 261.3 is disposed in connection with the expansion valve 250 in the refrigeration cycle, and the second port 261.4 is disposed in connection with the switching valve 280. , The fifth port 263.3 may be disposed in connection with the expansion valve 250 in the refrigeration cycle, and the sixth port 263.4 may be disposed in connection with the switching valve 280.

As described above, the refrigerant flowing inside the first pipe 261.1 is drawn in from the first port 261.3 according to the operation mode of the switching valve 280, which will be described later, and the second port 261.4. It can be discharged to and can be discharged to the first port 261.3 by being drawn in from the second port 261.4 according to the operation mode of the switching valve 280 described later. Accordingly, depending on the operation mode of the switching valve 280 described later, the refrigerant introduced from the first port 261.3 may be refrigerant discharged from the expansion valve 250 in the refrigeration cycle, and the The refrigerant discharged from the second port 261.4 may be refrigerant introduced into the switching valve 280. In addition, depending on the operation mode of the switching valve 280 to be described later, the refrigerant discharged from the first port 261.3 may be refrigerant introduced into the expansion valve 250 in the refrigeration cycle, and the second The refrigerant introduced from the port 261.4 may be refrigerant discharged from the switching valve 280.

On the other hand, as described above, the refrigerant flowing in the inside of the third pipe (263.1), is drawn from the fifth port (263.3) according to the operation mode of the switching valve 280 to be described later the sixth port ( 263.4) and may be drawn in from the sixth port 263.4 according to the operation mode of the switching valve 280, which will be described later, and discharged to the fifth port 263.3. Accordingly, depending on the operation mode of the switching valve 280 described later, the refrigerant introduced from the fifth port 263.3 may be refrigerant discharged from the expansion valve 250 in the refrigeration cycle, and the The refrigerant discharged from the sixth port 263.4 may be refrigerant introduced into the switching valve 280. In addition, depending on the operation mode of the switching valve 280 to be described later, the refrigerant discharged from the fifth port 263.3 may be refrigerant introduced into the expansion valve 250 in the refrigeration cycle, and the sixth The refrigerant introduced from the port 263.4 may be refrigerant discharged from the switching valve 280.

14 schematically shows a cross-section of a switching valve 280 according to one embodiment of the invention.

According to an embodiment of the present invention, as the heat exchange assembly 500 used in the dual air conditioner 1 using a phase change material, the refrigerant passing through the first condenser 240 in the refrigeration cycle has the upper heat exchange unit ( 261) or by selectively controlling the inlet to the lower heat exchange part 263, the switching valve 280 for changing the operation mode; may include.

As described above, the switching valve 280 is disposed inside the upper case 120, and the refrigerant passing through the interior of the switching valve 280 may flow according to the operation mode of the dual air conditioner 1. You can control the flow path.

According to an embodiment of the present invention, the switching valve 280, as shown in Figure 14, the switching valve body 281; A first flow path 282 provided on the lower side of the switching valve body 281; A second flow path 283 provided on the left side of the switching valve body 281; A third flow path 284 provided on an upper side of the switching valve body 281; And a fourth flow path 285 provided on the right side of the switching valve body 281. The changeover valve 280 may achieve a structure of a four-way valve in which the upper side, the lower side, the left side, and the right side are open, and discharge the refrigerant introduced therein in one of the upper, lower, left, and right directions. have.

In an embodiment of the present invention, when the switching valve 280 is in the first operation mode, refrigerant passing through the first condenser 240 is introduced into the lower heat exchange unit 263, and the lower heat exchange unit 263 ) To control the flow path so that the refrigerant introduced into the compressor 230 after passing through the upper heat exchange unit 261, and when the switching valve 280 is in the second operation mode, the first condenser ( The flow path so that the refrigerant past 240) is introduced into the upper heat exchange unit 261 and the refrigerant introduced into the upper heat exchange unit 261 is passed into the compressor 230 after passing through the lower heat exchange unit 263. Can be controlled.

14 (A) conceptually shows a flow path formed when the switching valve 280 operates in the first operation mode.

In the first operation mode, refrigerant passing through the first condenser 240 is introduced into the lower heat exchange portion 263, and refrigerant introduced into the lower heat exchange portion 263 passes through the upper heat exchange portion 261. Afterwards, it may be introduced into the compressor 230.

Preferably, when the switching valve 280 operates in the first operation mode, the refrigerant passing through the first condenser 240 is introduced into the switching valve 280 and the lower heat exchange unit 263 The refrigerant discharged to the sixth port (263.4), and the refrigerant introduced into the lower heat exchange portion (263) is discharged to the fifth port (263.3) of the lower heat exchange portion (263) to expand the valve of the refrigeration cycle ( 250), the refrigerant discharged from the expansion valve 250 is introduced into the first port 261.3 of the upper heat exchange part 261 and the second port 261.4 of the upper heat exchange part 261 The refrigerant discharged from the second port 261.4 may be introduced into the switching valve 280 and introduced into the compressor 230.

14 (B) conceptually shows a flow path formed when the switching valve 280 operates in the second operation mode.

In the second operation mode, the refrigerant passing through the first condenser 240 is introduced into the upper heat exchange portion 261, and the refrigerant introduced into the upper heat exchange portion 261 passes through the lower heat exchange portion 263. Afterwards, it may be introduced into the compressor 230.

Preferably, when the switching valve 280 is operated in the second operation mode, the refrigerant passing through the first condenser 240 is introduced into the switching valve 280 and the upper heat exchange unit 261 The refrigerant discharged to the second port (261.4) of the, and introduced into the upper heat exchange part (261) is discharged to the first port (261.3) of the upper heat exchange part (261) to expand the valve of the refrigeration cycle ( 250), the refrigerant discharged from the expansion valve 250 is drawn into the fifth port 263.3 of the lower heat exchange part 263 and the sixth port 263.4 of the lower heat exchange part 263 , And the refrigerant discharged from the sixth port 263.4 may be introduced into the switching valve 280 and introduced into the compressor 230.

In one embodiment of the present invention, when the switching valve 280 is in the first operation mode, the upper heat exchange unit 261, the refrigerant passing through the expansion valve 250 is drawn in to perform heat exchange with the surrounding air By acting as an evaporator, and when the switching valve 280 is in the second operation mode, the upper heat exchange unit 261 is formed by performing a heat exchange with surrounding air by introducing refrigerant passing through the switching valve 280. 2 acts as a condenser, and the intermediate heat exchange unit 262 is cooled inside the PCM module 220, and cooling water passing through the circulation pump 227 is introduced to perform heat exchange with surrounding air.

In one embodiment of the present invention, when the switching valve 280 is in the first operation mode, the lower heat exchange unit 263, the refrigerant passing through the switching valve 280 and the cooling water passing through the circulation pump 227 When any one or more of the intake serves as a second condenser by performing one or more of heat exchange with the surrounding air and mutual heat exchange between the refrigerant and the cooling water, and when the switching valve 280 is in the second operation mode, the The lower heat exchange unit 263 acts as an evaporator by performing refrigerant heat passing through the expansion valve 250 and cooling water passing through the circulation pump 227 to exchange heat with surrounding air and mutual heat exchange between the refrigerant and the cooling water. can do.

In this way, depending on the operation mode of the switching valve 280, the roles of the upper heat exchange part 261 and the lower heat exchange part 263 disposed above and below the first heat exchange module 260 may be changed. Through this, it is possible to exert the effect of performing both a cooling function and a dehumidifying function.

Preferably, the dual air conditioner device (1) is provided with the heat exchange assembly (500) in which the first heat exchange module (260) and the switch valve (280) operate as one device, and the switch valve (280) The roles of the upper heat exchange part 261 and the lower heat exchange part 263 provided in the first heat exchange module 260 are varied according to the operation mode of the device, thereby performing both a cooling function and a dehumidifying function as one device. You can exert the effect you can.

Hereinafter, an operation mode in which the dual air conditioner device 1 according to an embodiment of the present invention is operated will be described in detail.

According to an embodiment of the present invention, the dual air conditioner device 1 may operate in a cooling mode, and the cooling mode includes: a first cooling mode in which the circulation pump 227 and the refrigeration cycle operate simultaneously; And a second cooling mode in which only the circulation pump 227 is operated. In the cooling mode, air introduced from the outside of the case 100 exchanges heat with the first heat exchange module 260 and the upper fan 210. ) May be discharged outside the case 100.

According to an embodiment of the present invention, the dual air conditioner device 1 may operate in one of a dehumidifying regeneration mode and a cooling mode, and the air introduced from the outside of the case 100 in the dehumidifying regeneration mode may be the first The heat exchange module 260 exchanges heat, and the condensed water condensed in the first heat exchange module 260 is introduced into the trough 140, and in the cooling mode, the agent is controlled by the operation of the lower fan 241. 1 The heat of the condenser 240 may be absorbed into the drip tray 140.

As described above, the dual air conditioner device 1 may operate in the cooling mode or the dehumidifying regeneration mode, and the cooling mode may include the first cooling mode and the second cooling mode.

15 conceptually illustrates a movement path of refrigerant and coolant in the first cooling mode according to an embodiment of the present invention.

As shown in FIG. 15, when the dual air conditioner 1 operates in the first cooling mode, the circulation pump 227 and the refrigeration cycle can operate simultaneously, and cooling is performed by the refrigerant and cooling water. Can be performed.

The refrigerant flow may be a result of a refrigeration cycle used in a general air conditioner. The high-temperature and high-pressure refrigerant discharged from the compressor 230 flows into the first condenser 240, and the low-temperature and high-pressure refrigerant discharged from the first condenser 240 flows into the switching valve 280, and The low-temperature, high-pressure refrigerant discharged by the first operation mode of the switching valve 280 flows into the lower heat exchange portion 263 of the first heat exchange module 260, and discharges from the lower heat exchange portion 263. The low temperature and high pressure refrigerant flows into the expansion valve 250, and the low temperature low pressure refrigerant discharged from the expansion valve 250 flows into the upper heat exchange portion 261 of the first heat exchange module 260. Then, the refrigerant discharged from the upper heat exchange unit 261 may be introduced into the compressor 230 again. In this case, the lower heat exchange unit 263 may serve as a second condenser to condense the low-temperature and high-pressure refrigerant discharged from the first condenser 240, and the upper heat exchange unit 261 By performing the role of an evaporator, the low-temperature and low-pressure refrigerant discharged from the expansion valve 250 and the air introduced from the outside of the case 100 perform heat exchange, and then the case 100 by the upper fan 210. It can be discharged outside.

In addition, as described above, the dual air conditioner 1 according to an embodiment of the present invention may include the lower fan 241 disposed adjacent to the first condenser 240. By the operation of the lower fan 241, the heat of the first condenser 240, which may be generated by the first condenser 240 condensing the refrigerant, may be absorbed into the drip tray 140. Preferably, in the first cooling mode, some of the air introduced from the outside of the case 100 performs heat exchange with the first heat exchange module 260 and is external to the case 100 by the upper fan 210. And the rest of the air introduced from the outside of the case 100 is heat-exchanged with the first condenser 240 so that heat from the first condenser 240 is absorbed into the trough 140. You can. At the same time, the heat may be discharged by the lower fan 241 to the condensation heat discharging unit 160 disposed at the lower end of the lower case 130 and the rear surface of the drip tray 140. As described above, in the present invention, the first condenser 240 does not exist outside as a separate outdoor unit, but is disposed inside the case 100 and heat generated by the first condenser 240 is internally. As a structure that can be compensated, it is possible to exert the effect of implementing an air conditioner without installing a separate outdoor unit.

In addition, as described above, the dual air conditioner device 1 according to an embodiment of the present invention includes the second heat exchange module 270 disposed between the compressor 230 and the first condenser 240. can do. Accordingly, when the dual air conditioner 1 operates in the first cooling mode, the condensed water condensed in the first heat exchange module 260 and the refrigerant discharged from the compressor 230 are the second heat exchange module. 270 may be introduced into the interior to perform mutual heat exchange therein. Preferably, the piping disposed inside the second heat exchange module 270 forms the structure of the multi-pipe, and the condensate and the refrigerant flowing through the multi-pipe can exchange heat with each other, and heat exchange efficiency. It can exert an effect to improve the.

Meanwhile, the flow of the cooling water may be achieved by the circulation pump 227. The cooling water discharged from the PCM module 220 flows into the cooling water tank 226, and the cooling water discharged from the cooling water tank 226 flows into the circulation pump 227, and from the circulation pump 227. The discharged cooling water flows into the lower heat exchange part 263 of the first heat exchange module 260, and the cooling water discharged from the lower heat exchange part 263 flows into the intermediate heat exchange part 262, and thereafter The cooling water discharged from the intermediate heat exchange unit 262 may be introduced into the PCM module 220 again. In this case, air introduced from the outside of the case 100 may perform heat exchange with the cooling water and then be discharged back to the outside of the case 100 by the upper fan 210.

As described above, when the dual air conditioner 1 is operated in the first cooling mode, the circulation pump 227 and the refrigeration cycle may operate simultaneously, and air introduced from the outside of the case 100 may be Cooling through heat exchange with the refrigerant and the cooling water is discharged outside the case 100 to provide a cooling environment to the user.

16 conceptually illustrates a movement path of cooling water in the second cooling mode according to an embodiment of the present invention.

As illustrated in FIG. 16, when the dual air conditioner 1 operates in the second cooling mode, only the circulation pump 227 may operate, and cooling may be performed by cooling water.

The flow of the cooling water, as described above, may be made by the circulation pump 227. The cooling water discharged from the PCM module 220 flows into the cooling water tank 226, and the cooling water discharged from the cooling water tank 226 flows into the circulation pump 227, and from the circulation pump 227. The discharged cooling water flows into the lower heat exchange part 263 of the first heat exchange module 260, and the cooling water discharged from the lower heat exchange part 263 flows into the intermediate heat exchange part 262, and thereafter The cooling water discharged from the intermediate heat exchange unit 262 may be introduced into the PCM module 220 again. In this case, air introduced from the outside of the case 100 may perform heat exchange with the cooling water and then be discharged back to the outside of the case 100 by the upper fan 210.

As described above, when the dual air conditioner 1 operates in the second cooling mode, only the circulation pump 227 may operate, and air introduced from the outside of the case 100 exchanges heat with the cooling water. It is cooled through and discharged to the outside of the case 100 to provide a cooling environment to the user.

17 conceptually illustrates a movement path of the refrigerant and the coolant in the dehumidification and regeneration mode according to an embodiment of the present invention.

As shown in FIG. 17, when the dual air conditioner 1 operates in the dehumidification regeneration mode, the circulation pump 227 and the refrigeration cycle can operate simultaneously, and dehumidification is performed by the refrigerant and cooling water. Can be.

The flow of the refrigerant may be a result of a refrigeration cycle used in a general air conditioner, as described above. The high-temperature and high-pressure refrigerant discharged from the compressor 230 flows into the first condenser 240, and the low-temperature and high-pressure refrigerant discharged from the first condenser 240 flows into the switching valve 280, and The low-temperature, high-pressure refrigerant discharged by the second operation mode of the switching valve 280 flows into the upper heat exchange portion 261 of the first heat exchange module 260, and discharges from the upper heat exchange portion 261. The low temperature and high pressure refrigerant flows into the expansion valve 250, and the low temperature low pressure refrigerant discharged from the expansion valve 250 flows into the lower heat exchange portion 263 of the first heat exchange module 260. Then, the refrigerant discharged from the lower heat exchange unit 263 may be introduced into the compressor 230 again. In this case, the upper heat exchange unit 261 can serve as a second condenser to condense the low-temperature and high-pressure refrigerant discharged from the first condenser 240, and the lower heat exchange unit 263 By performing the role of an evaporator, air introduced from the outside of the case 100 performs heat exchange with the low-temperature and low-pressure refrigerant discharged from the expansion valve 250, and then the case 100 by the upper fan 210. It can be discharged outside.

In addition, in one embodiment of the present invention, when the dual air conditioner device 1 operates in the dehumidifying and regenerating mode, the lower fan 241 is not operated, and thereby the phase change of the PCM material 222 is prevented. It can promote more. Preferably, in the dehumidification and regeneration mode, the PCM material 222 may reach the phase change temperature to regenerate the PCM material 222 or phase change to a solid may occur, and the lower fan 241 may be generated. By not operating, the phase change efficiency of the PCM material 222 may be improved.

In addition, as described above, the dual air conditioner device 1 according to an embodiment of the present invention includes the second heat exchange module 270 disposed between the compressor 230 and the first condenser 240. can do. Accordingly, when the dual air conditioner 1 operates in the first cooling mode, condensed water condensed in the first heat exchange module 260 and the refrigerant discharged from the compressor 230 are the second heat exchange module. 270 may be introduced into the interior, and the condensate and the refrigerant may perform heat exchange with each other. Preferably, the piping disposed inside the second heat exchange module 270 forms the structure of the multi-pipe, and the condensate and the refrigerant flowing through the multi-pipe can exchange heat with each other, and heat exchange efficiency. It can exert an effect to improve the.

In addition, the air introduced from the outside of the case 100 exchanges heat with the first heat exchange module 260, and the condensed water condensed in the first heat exchange module 260 can be introduced into the drip tray 140. have. Details of this will be described later in FIG. 18.

Meanwhile, the flow of the cooling water may be achieved by the circulation pump 227. The cooling water discharged from the PCM module 220 flows into the cooling water tank 226, and the cooling water discharged from the cooling water tank 226 flows into the circulation pump 227, and from the circulation pump 227. The discharged cooling water flows into the lower heat exchange part 263 of the first heat exchange module 260, and the cooling water discharged from the lower heat exchange part 263 flows into the intermediate heat exchange part 262, and thereafter The cooling water discharged from the intermediate heat exchange unit 262 may be introduced into the PCM module 220 again. In this case, the cooling water and the air introduced from the outside of the case 100 may perform heat exchange and then be discharged to the outside of the case 100 by the upper fan 210.

As described above, when the dual air conditioner device 1 operates in the dehumidification regeneration mode, the circulation pump 227 and the refrigeration cycle may operate simultaneously, and air introduced from the outside of the case 100 may be the refrigerant. And being discharged outside the case 100 through heat exchange with the cooling water to provide a dehumidifying environment to the user.

18 conceptually illustrates a movement path of the condensate according to an embodiment of the present invention.

As described above, according to an embodiment of the present invention, the dual air conditioner device 1 is disposed under the first heat exchange module 260, and external air is introduced from the inlet 150, and a porous material The evaporation module 290 having a hollow cylindrical structure formed of; further comprising, the condensed water condensed in the first heat exchange module 260 is injected into the evaporation module 290 and vaporized while flowing from the intake port 150 The temperature of the outside air can be lowered primarily.

18, the condensed water condensed in the first heat exchange module 260 is stored in the condensed water storage unit 264, and a part of the condensed water is injected into the evaporation module 290 to vaporize Then, after the rest of the condensate is not vaporized and discharged to the second heat exchange module 270, heat exchange with the refrigerant discharged from the compressor 230 is performed inside the second heat exchange module 270, and the The rest of the condensate discharged from the second heat exchange module 270 may be introduced into the drip tray 140. In this case, the condensate stored in the condensed water storage unit 264 may be sprayed on the fan through a hose or the like, and then the fan is rotated by an air flow or a motor, so that the inside of the evaporation module 290 is rotated. Water droplets may be formed, and the temperature of air supplied from the outside may be lowered by vaporization of the water droplets.

19 conceptually illustrates air flow inside the dual air conditioner 1 according to an embodiment of the present invention.

As shown in FIG. 19, when the dual air conditioner 1 operates, air introduced into the case 100 through the intake 150 passes the air cleaning filter 300 and the evaporation module (290) It is introduced into the interior, it may be discharged to the outside of the case 100 through the air outlet cover 110 through the first heat exchange module 260 by the operation of the upper fan 210. In this flow, the air may be primarily cooled inside the evaporation module 290, and secondly cooled in the first heat exchange module 260, after which the upper fan 210 is cooled. Through the case 100 may be discharged to the outside.

The dual air conditioner 1 may operate in the cooling mode, and when the dual air conditioner 1 operates in the cooling mode, the circulation pump 227 and the refrigeration cycle operate simultaneously and switch over. The valve 280 may operate in the first cooling mode in which the first operation mode is operated, and in the second cooling mode in which only the circulation pump 227 is operated. In the first cooling mode, a part of the air introduced from the outside of the case 100 performs heat exchange with the refrigerant and the condensate inside the second heat exchange module 270, together with the heat of the first condenser 240. It may be discharged to the drip tray 140 through the lower fan 241.

Meanwhile, the dual air conditioner device 1 may operate in the dehumidification and regeneration mode in which the circulation pump 227 and the refrigeration cycle operate simultaneously and the switching valve 280 operates in the second operation mode. The lower fan 241 may not operate in the dehumidification regeneration mode.

Preferably, the dual air conditioner 1 can operate in the cooling mode and the dehumidifying regeneration mode, and when the dual air conditioner 1 operates in the cooling mode, the circulation pump 227 and the By operating in the first cooling mode in which the refrigeration cycle operates simultaneously and the switching valve 280 operates in the first operation mode, and in the second cooling mode in which only the circulation pump 227 operates, the suction port 150 ) The air introduced into the case 100 is primarily cooled inside the evaporation module 290 and secondly cooled by the first heat exchange module 260 through the upper fan 210. The case 100 may be discharged outside. In addition, when the dual air conditioner device 1 operates in the dehumidifying and regeneration mode, the circulation pump 227 and the refrigeration cycle operate simultaneously, and the switching valve 280 operates in the second operation mode, thereby allowing the intake Air introduced into the case 100 through 150 passes through the evaporation module 290 and the first heat exchange module 260 and is discharged to the outside of the case 100 through the upper fan 210. It can lower the humidity of the surrounding air.

Through this, as the dual air conditioner 1 arranges the air cleaning filter 300 inside, and the air cleaning filter 300 arranges the evaporation module 290 therein, air as one device It is possible to exert the effect of performing both the clean function and the cooling function. In addition, the dual air conditioner device 1 includes the heat exchange assembly 500 in which the first heat exchange module 260 and the changeover valve 280 operate as one device, and the operation of the changeover valve 280 Depending on the mode, the roles of the upper heat exchange part 261 and the lower heat exchange part 263 provided in the first heat exchange module 260 are varied, so that both a cooling function and a dehumidification function can be performed as one device. You can exert a good effect.

20 conceptually illustrates an internal temperature gradient of the first heat exchange module 260 when the dual air conditioner 1 according to an embodiment of the present invention is in the first cooling mode. 20 (A) shows a state in which the first heat exchange module 260 is rotated 90 degrees, and FIG. 20 (B) shows a temperature graph inside each heat exchange part of the first heat exchange module 260.

As described above, when the dual air conditioner device 1 operates in the first cooling mode, the refrigerant by the refrigeration cycle is transferred to the first heat exchange module by the switching valve 280 operating in the first operating mode. By entering the lower heat exchange unit 263 of 260, the lower heat exchange unit 263 can serve as the second condenser, and the upper heat exchange unit 261 of the first heat exchange module 260 ), The upper heat exchange part 261 may serve as the evaporator.

Therefore, when the upper fan 210 is operated in the first cooling mode, the air inside the dual air conditioner 1 performs heat exchange with the lower heat exchange unit 263, and the intermediate heat exchange unit 262 ), And then heat exchange with the upper heat exchange part 261. In an embodiment of the present invention, when the lower end temperature of the first heat exchange module 260 is 30 degrees, the temperature of the refrigerant flowing through the lower heat exchange unit 263 corresponds to 30 degrees Celsius, and the PCM material 222 When the phase change temperature of) is 18 degrees Celsius, the temperature of the cooling water flowing through the lower heat exchange portion 263 and the intermediate heat exchange portion 262 corresponds to 18 degrees Celsius, and the temperature of the refrigerant by the refrigeration cycle is In the case of 10 degrees Celsius, the temperature of the refrigerant flowing through the upper heat exchange part 261 may correspond to 10 degrees Celsius.

21 conceptually illustrates an internal temperature gradient of the first heat exchange module 260 when the dual air conditioner 1 according to an embodiment of the present invention is in the dehumidifying and regeneration mode. 21 (A) shows a state in which the first heat exchange module 260 is rotated 90 degrees, and FIG. 21 (B) shows a temperature graph inside each heat exchange part of the first heat exchange module 260.

As described above, when the dual air conditioner device 1 operates in the dehumidifying and regenerating mode, the refrigerant by the refrigeration cycle is transferred to the first heat exchange module by the switching valve 280 operating in the second operating mode. By entering the upper heat exchange portion 261 of 260, the upper heat exchange portion 261 can serve as the second condenser, and the lower heat exchange portion 263 of the first heat exchange module 260 By drawing in, the lower heat exchange part 263 may serve as the evaporator.

In one embodiment of the present invention, when the upper end temperature of the first heat exchange module 260 is 30 degrees, the temperature of the refrigerant flowing through the upper heat exchange part 261 corresponds to 30 degrees Celsius, and the PCM material 222 When the phase change temperature of) is 18 degrees Celsius, the temperature of the cooling water flowing through the lower heat exchange portion 263 and the intermediate heat exchange portion 262 corresponds to 18 degrees Celsius, and the temperature of the refrigerant by the refrigeration cycle is In the case of 10 degrees Celsius, the temperature of the refrigerant flowing through the lower heat exchange part 263 may correspond to 10 degrees Celsius. That is, the lower heat exchange portion 263 has a temperature (for example, 10 degrees Celsius) lower than the phase change temperature (for example, 18 degrees Celsius) of the PCM material 222, the intermediate heat exchange portion 262 Has a phase change temperature of the PCM material 222.

In an embodiment of the present invention, when the dual air conditioner device 1 operates in the dehumidifying and regenerating mode, air may be rapidly cooled primarily in the lower heat exchange unit 263, and the lower heat exchange unit ( The intermediate heat exchange unit 262 may also be cooled by the air rapidly cooled in 263). As a result, the PCM material 222 inside the PCM module 220 is cooled by the cooling water cooled in the intermediate heat exchange unit 262, that is, the phase change to the solid state occurs, and the PCM material 222 is generated. It can be reproduced.

In addition, in one embodiment of the present invention, as the air passes through the intermediate heat exchange unit 262, water vapor contained in the air condenses outside the intermediate heat exchange unit 262, and the condensed water vapor is the condensed water. It may be stored in the storage unit 264. The water vapor stored in the condensate storage unit 264 may be sprayed on the fan during the cooling mode operation. At this time, the intermediate heat exchange part 262 and the lower heat exchange part 263 perform heat exchange by conduction by the second heat exchange plate 262.2 and the third heat exchange plate 263.2, so that the lower heat exchange part The intermediate heat exchange unit 262 may be cooled by the air rapidly cooled at 263, thereby inducing regeneration of the PCM material 222 or phase change to a solid.

As a result, when the dual air conditioner 1 operates in the dehumidification regeneration mode, the PCM material in the solid state is not only dehumidified, but also the phase change of the PCM material 222 in the liquid state to a solid state. (222) can be charged. Through this, it is possible to minimize the hassle of periodically replenishing the PCM material 222. Preferably, when the dual air conditioner device 1 operates in the dehumidification regeneration mode, the PCM material 222 is phase-changed and charged at the same time as dehumidification of external air, and thus, the PCM material 222 must be periodically replenished. It can exert an effect of minimizing loam and saving maintenance costs.

Hereinafter, a control method of the dual air conditioner device 1 according to an embodiment of the present invention will be described in detail.

22 schematically shows control elements of the control unit 400 according to an embodiment of the present invention, and FIG. 23 schematically shows operating elements of the dual air conditioner 1 according to an embodiment of the present invention.

As described above, according to an embodiment of the present invention, the dual air conditioner 1, the control unit 400 for controlling the operation of the components of the dual air conditioner 1 in response to the user's operation; It may further include.

According to an embodiment of the present invention, as a control method of a dual air conditioner device 1 using a phase change material, the dual air conditioner device 1 includes: an upper fan 210 for discharging air cooled from the inside to the outside; A PCM case 223, a PCM material 222 disposed inside the PCM case 223, which can perform heat exchange with the PCM material 222, and includes a PCM inner pipe 221 through which cooling water flows inside. PCM module 220; A circulation pump 227 for circulating the cooling water flowing through the PCM internal pipe 221; A compressor 230 that implements a refrigeration cycle by a refrigerant, a first condenser 240, and an expansion valve 250; An upper heat exchange unit 261 through which the refrigerant is introduced to exchange heat with surrounding air; An intermediate heat exchange unit 262 located at a lower side of the upper heat exchange unit 261 and performing heat exchange with surrounding air by introducing the cooling water; It is located below the intermediate heat exchange unit 262, the refrigerant and the coolant is introduced to perform heat exchange with the surrounding air, and the lower heat exchange unit 263 capable of performing heat exchange with the refrigerant and the cooling water; includes A first heat exchange module 260; Containing; the switching valve 280 for converting the flow of the refrigerant passing through the first condenser 240; includes, the dual air conditioning unit 1 in accordance with the operation of the switching valve 280 cooling to cool the surrounding air It can operate in mode or in a dehumidifying and regenerating mode that lowers the humidity of the surrounding air.

In one embodiment of the present invention, in the control method of the dual air conditioner (1), when the dual air conditioner (1) operates in a cooling mode, the switching valve 280, the first condenser (240) ) To control the flow path so that the refrigerant passing through the lower heat exchange portion 263 and the refrigerant flowing into the lower heat exchange portion 263 enter the compressor 230 after passing through the upper heat exchange portion 261. , When the dual air conditioner device 1 operates in a dehumidifying and regeneration mode, the switching valve 280, the refrigerant passing through the first condenser 240 is drawn into the upper heat exchange unit 261, and the upper heat exchange The flow path may be controlled such that the refrigerant introduced into the portion 261 is introduced into the compressor 230 after passing through the lower heat exchange portion 263.

In one embodiment of the present invention, in the control method of the dual air conditioner (1), when the dual air conditioner (1) operates in a cooling mode, the upper heat exchange unit (261), the expansion valve 250 ) Is passed through the refrigerant and serves as an evaporator by performing heat exchange with surrounding air, and when the dual air conditioner 1 operates in a dehumidifying and regeneration mode, the upper heat exchange unit 261 includes the switching valve 280 ) To enter the refrigerant and perform heat exchange with surrounding air, thereby acting as a second condenser.

In one embodiment of the present invention, in the control method of the dual air conditioner (1), when the dual air conditioner (1) operates in a cooling mode, the lower heat exchange unit (263), the switching valve (280) ) And serves as a second condenser by performing any one or more of heat exchange with ambient air and mutual heat exchange between the coolant and the coolant through which one or more of the coolant passing through the coolant and the circulation pump 227 are drawn in, When the dual air conditioner device operates in a dehumidifying and regenerating mode, the lower heat exchange unit 263 receives refrigerant passing through the expansion valve 250 and cooling water passing through the circulation pump 227 to exchange heat with surrounding air. By performing mutual heat exchange between the refrigerant and the cooling water may act as an evaporator.

In one embodiment of the present invention, in the control method of the dual air conditioner (1), the lower heat exchange unit 263, a third pipe (263.1) through which refrigerant and cooling water can flow; The third piping (263.1) has a structure of a multi-pipe piping including an inner piping (263.11), and an outer piping (263.12). When the dual air conditioner (1) operates in a dehumidifying regeneration mode, the inner piping In (263.11), any one of the refrigerant and the cooling water flows, and in the external pipe 263.12, the other of the refrigerant and the cooling water flows, so that the refrigerant and the cooling water can exchange heat.

In a control method of the dual air conditioner (1) according to an embodiment of the present invention, the cooling mode includes: a first cooling mode in which the circulation pump 227 and the refrigeration cycle operate simultaneously; And a second cooling mode in which only the circulation pump 227 operates.

In a control method of the dual air conditioner device 1 according to an embodiment of the present invention, the dual air conditioner device 1 may operate in a first cooling mode in which cooling is performed by a refrigerant and cooling water, and the In the first cooling mode, the upper fan 210, the circulation pump 227, the compressor 230, and the lower fan 241 are turned on, and the switching valve 280 is the first condenser 240 ) Is controlled so that the refrigerant passing through the lower heat exchange unit 263, the cooling water and the refrigerant may circulate in the dual air conditioner (1).

In a control method of the dual air conditioner 1 according to an embodiment of the present invention, the dual air conditioner 1 may operate in a second cooling mode in which cooling is performed by cooling water, and the second In the cooling mode, the upper fan 210 and the circulation pump 227 are turned on, and cooling water may circulate inside the dual air conditioner 1.

In the control method of the dual air conditioner device 1 according to an embodiment of the present invention, the dual air conditioner device 1 may operate in a dehumidifying and regenerating mode by refrigerant and cooling water, and in the dehumidifying and regenerating mode, The upper fan 210, the compressor 230, and the circulation pump 227 are turned on, and in the switching valve 280, refrigerant passing through the first condenser 240 is transferred to the upper heat exchange part 261. It is controlled to be introduced, and the cooling water and the refrigerant circulate inside the dual air conditioner (1), and the cooling water is cooled by the refrigerant in the lower heat exchange unit (263) to fill the PCM material (222). You can.

According to an embodiment of the present invention, in the control method of the dual air conditioner (1), the dual air conditioner (1) is a drip tray (140) that can store condensed water in the first heat exchange module (260) ); And a lower fan 241 disposed adjacent to the first condenser 240. In the cooling mode, the lower fan 241 is turned on, so that the heat of the first condenser 240 is the same. It is absorbed by the water stored in the drip tray 140, and in the dehumidification and regeneration mode, the lower fan 241 may be turned off.

22, the control unit 400 may control the operation of the components of the dual air conditioner 1 in response to a user's manipulation. Preferably, the control unit 400, the upper fan 210, the circulation pump 227, the compressor 230, the lower fan 241, the switching valve 280 by the user's operation, And a display panel.

In addition, as shown in FIG. 23, in the control method of the dual air conditioner 1, the dual air conditioner 1 may be divided into the cooling mode and the dehumidifying and regenerating mode, and operated. The mode may be divided into the first cooling mode and the second cooling mode.

In the first cooling mode, the PCM module 220 and the refrigeration cycle may be driven, and the control unit 400 may include the upper fan 210, the circulation pump 227, the compressor 230, and The lower fan 241 may be controlled to operate, and the switching valve 280 may be controlled to operate in a first operation mode. At this time, as the lower fan 241 operates, heat from the first condenser 240 may be absorbed into water stored in the drip tray 140.

Preferably, when the dual air conditioner 1 operates in the first cooling mode in which the circulation pump 227 and the refrigeration cycle operate simultaneously, the control unit 400 includes the upper fan 210, The circulation pump 227, the compressor 230, and the lower fan 241 may be operated by controlling them to be ON, and the switching valve 280 may be operated in the first operation mode. Accordingly, the dual air conditioner device 1 may operate in the first cooling mode in which cooling is performed by circulation of refrigerant and cooling water, and the switching valve 280 may be refrigerant that has passed through the first condenser 240. It may operate in the first operation mode that can be controlled to be introduced into the lower heat exchange unit (263).

Meanwhile, in the second cooling mode, the PCM module 220 may be driven, and the control unit 400 may control to operate the upper fan 210 and the circulation pump 227, and the The compressor 230 and the lower fan 241 may be controlled to not operate. In the second cooling mode, the cooling water cooled in the PCM module 220 does not pass through the switching valve 280, so that the control unit 400 does not control the switching valve 280.

Preferably, when the dual air conditioner device 1 operates in the second cooling mode in which only the circulation pump 227 is operated, the control unit 400 includes the upper fan 210 and the circulation pump ( 227) can be operated by controlling it to ON. Accordingly, the dual air conditioner 1 may operate in the second cooling mode in which cooling is performed by the cooling water.

Meanwhile, in the dehumidifying and regeneration mode, the PCM module 220 and the refrigeration cycle may be driven, and the control unit 400 may include the upper fan 210, the circulation pump 227, and the compressor 230. It can be controlled to operate, the lower fan 241 can be controlled to not operate, the switching valve 280 can be controlled to operate in the second operation mode. At this time, the phase change or filling of the PCM material 222 induced from the lower heat exchange part 263 may be promoted by not operating the lower fan 241.

Preferably, when the dual air conditioner device 1 is operated in the dehumidifying and regeneration mode in which the circulation pump 227 and the refrigeration cycle operate simultaneously, the control unit 400 includes the upper fan 210, the The circulation pump 227 and the compressor 230 may be operated by controlling them to ON, and the switching valve 280 may be operated in the second operation mode. Accordingly, the dual air conditioner device 1 may operate in the dehumidification regeneration mode capable of lowering the ambient humidity by the circulation of refrigerant and cooling water, and the switching valve 280 may turn the first condenser 240 The second refrigerant can be operated in the second operation mode, which can be controlled so that the past refrigerant is introduced into the upper heat exchange part 261, and the cooling water is cooled by the refrigerant in the lower heat exchange part 263 so that the PCM material ( 222) can be charged.

According to an embodiment of the present invention, the first condenser is a separate outdoor unit that is disposed outside the case, and is disposed inside the case, and a structure capable of compensating for heat generated inside the first condenser therein. It can exert the effect of realizing the air conditioner without installation.

According to an embodiment of the present invention, as the dual air conditioner device arranges an air cleaning filter therein and the air cleaning filter arranges an evaporation module therein, the air cleaning function and the cooling function are all performed as one device. You can exert the effect you can.

According to an embodiment of the present invention, the dual air conditioner has a heat exchange assembly in which the first heat exchange module and the switching valve operate as one device, and the upper heat exchange unit provided in the first heat exchange module according to the operation mode of the switching valve And by changing the role of the lower heat exchange unit, it is possible to exert the effect of performing both a cooling function and a dehumidifying function as one device.

According to an embodiment of the present invention, the refrigerant and the coolant perform primary heat exchange with the surrounding air and secondary heat exchange with each other by a third pipe constituting a multi-pipe structure, thereby exchanging heat exchange efficiency and PCM material. It can exert an effect that can improve the charging efficiency of.

According to an embodiment of the present invention, when the dual air conditioner operates in the dehumidification regeneration mode, the PCM material is phase-changed and charged simultaneously with the dehumidification of external air, thereby minimizing the hassle of replenishing the PCM material periodically and maintaining maintenance costs. It can exert an effect that can save.

As described above, although the embodiments have been described by a limited embodiment and drawings, various modifications and variations are possible from the above description if a person having ordinary skill in the art. For example, the described techniques are performed in a different order than the described method, and / or the components of the described system, structure, device, circuit, etc. are combined or combined in a different form from the described method, or other components Alternatively, even if replaced or replaced by equivalent water, appropriate results can be achieved. Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

1: Dual air conditioner
100: case
110: blower cover 111: blower cover moving module
120: upper case 130: lower case
140: drip tray 150: inlet
160: condensation heat discharge unit
200: internal module
210: upper fan 220: PCM module
221: PCM internal piping 222: PCM material
223: PCM case 224: air vent
225: PCM supplementary pressure tank 226: coolant tank
227: circulation pump 230: compressor
240: first condenser 241: lower fan
250: expansion valve 260: first heat exchange module
261: upper heat exchange
261.1: 1st piping 261.2: 1st heat exchange plate
261.3: Port 1 261.4: Port 2
262: intermediate heat exchange
262.1: 2nd piping 262.2: 2nd heat exchange plate
262.3: Port 3 262.4: Port 4
263: lower heat exchange
263.1: 3rd piping 263.11: Internal piping
263.12: External piping 263.2: Third heat exchange plate
263.3: Port 5 263.4: Port 6
264: condensate storage unit 270: second heat exchange module
280: switching valve 281: switching valve body
282: Euro 1 283: Euro 2
284: Euro 3 285: Euro 4
290: evaporation module
300: air cleaning filter
400: control
500: heat exchange assembly

Claims (10)

As a control method of a dual air conditioner using a phase change material,
The dual air conditioner includes an upper fan that discharges air cooled from the inside to the outside; A PCM module including a PCM case, a PCM material disposed inside the PCM case, a PCM inner pipe capable of performing heat exchange with the PCM material, and cooling water flowing therein; A circulation pump circulating cooling water flowing through the PCM internal pipe; A compressor that implements a refrigeration cycle by refrigerant, a first condenser, and an expansion valve; An upper heat exchange unit through which the refrigerant is introduced to exchange heat with surrounding air; An intermediate heat exchanger located at a lower side of the upper heat exchanger and performing heat exchange with surrounding air by introducing the cooling water; A first heat exchange module including a lower heat exchange unit located at a lower side of the intermediate heat exchange unit, the refrigerant and cooling water being introduced to exchange heat with surrounding air, and performing heat exchange with the refrigerant and the cooling water; It includes; a switching valve for switching the flow of the refrigerant past the first condenser;
According to the operation of the switching valve, the dual air conditioner device operates in a cooling mode for cooling the surrounding air, or in a dehumidifying regeneration mode for reducing the humidity of the surrounding air, the control method of the dual air conditioner.
The method according to claim 1,
When the dual air conditioner device operates in a cooling mode, the switching valve,
The flow path is controlled such that the refrigerant passing through the first condenser is introduced into the lower heat exchange unit, and the refrigerant introduced into the lower heat exchange unit is introduced into the compressor after passing through the upper heat exchange unit,
When the dual air conditioner device operates in a dehumidifying regeneration mode, the switching valve,
A method of controlling a dual air conditioner, wherein a flow path is controlled such that the refrigerant passing through the first condenser is introduced into the upper heat exchange unit, and the refrigerant introduced into the upper heat exchange unit is introduced into the compressor after passing through the lower heat exchange unit.
The method according to claim 1,
When the dual air conditioner operates in a cooling mode,
The upper heat exchange unit acts as an evaporator by performing a heat exchange with the surrounding air after the refrigerant passing through the expansion valve is drawn in,
When the dual air conditioner device operates in a dehumidifying regeneration mode,
The upper heat exchange unit, the control method of the dual air conditioner, acting as a second condenser by performing a heat exchange with the surrounding air is the refrigerant is passed through the switching valve.
The method according to claim 1,
When the dual air conditioner operates in a cooling mode,
The lower heat exchange part acts as a second condenser by performing any one or more of heat exchange with the surrounding air and mutual heat exchange between the coolant and the coolant by drawing in at least one of the coolant passing through the switching valve and the coolant passing through the circulation pump. And
When the dual air conditioner device operates in a dehumidifying and regeneration mode, the lower heat exchange unit performs heat exchange with ambient air and mutual heat exchange between the coolant and the coolant by introducing coolant past the expansion valve and coolant past the circulation pump. By acting as an evaporator, the control method of the dual air conditioner.
The method according to claim 1,
The cooling mode,
A first cooling mode in which the circulation pump and the refrigeration cycle operate simultaneously; And
A second cooling mode in which only the circulating pump operates; including, control method of a dual air conditioner.
The method according to claim 1,
The dual air conditioner may operate in a first cooling mode in which cooling is performed by refrigerant and cooling water,
In the first cooling mode, the upper fan, the circulation pump, the compressor, and the lower fan are turned on,
The switching valve is controlled so that the refrigerant passing through the first condenser enters the lower heat exchange unit,
Cooling water and refrigerant circulates in the interior of the dual air conditioner, the control method of the dual air conditioner.
The method according to claim 1,
The dual air conditioner may operate in a second cooling mode in which cooling is performed by cooling water,
In the second cooling mode, the upper fan and the circulation pump are turned on,
Cooling water circulates inside the dual air conditioner, the control method of the dual air conditioner.
The method according to claim 1,
The dual air conditioner may operate in a dehumidifying and regeneration mode by refrigerant and coolant,
In the dehumidifying and regeneration mode, the upper fan, the compressor, and the circulation pump are turned on,
The switching valve is controlled so that the refrigerant passing through the first condenser enters the upper heat exchange unit,
The cooling water and the refrigerant circulate inside the dual air conditioner,
Control method of a dual air conditioner, wherein the cooling water is cooled by the refrigerant in the lower heat exchange portion to fill PCM material.
The method according to claim 1,
The dual air conditioner includes a drip tray capable of storing water condensed in the first heat exchange module; And a lower fan disposed adjacent to the first condenser.
In the cooling mode, the lower fan is turned on, and the heat of the first condenser is absorbed by the water stored in the trough,
In the dehumidification regeneration mode, the lower fan is turned off, the control method of the dual air conditioner.
The method according to claim 1,
The lower heat exchange unit includes a third pipe through which refrigerant and cooling water can flow, and the third pipe has a structure of a multi-pipe piping including an inner pipe and an outer pipe,
When the dual air conditioner operates in a dehumidifying and regenerating mode, any one of the refrigerant and the coolant flows in the inner pipe, and the other of the refrigerant and the coolant flows in the outer pipe, so that the coolant and the coolant Control method of a dual air conditioner capable of heat exchange.

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