KR102506254B1 - Dehumidifier With Air Cleaning and Ventilating Function - Google Patents

Abstract

The present invention relates to a cooling dehumidifier realizing an air cleaning function and a ventilation function. More particularly, the present invention relates to a cooling dehumidifier realizing an air cleaning function and a ventilation function that not only circulates indoor air, but also supplies outdoor air to the room to improve the indoor carbon dioxide concentration, and automatically introduces outdoor air when a fire shutter is closed due to a fire.

Description

Cooling dehumidifier that implements air cleaning and ventilation functions {Dehumidifier With Air Cleaning and Ventilating Function}

The present invention relates to a cooling and dehumidifying device that implements an air cleaning function and a ventilation function, and more particularly, improves indoor carbon dioxide concentration by circulating indoor air and supplying outdoor air to the room, and blocks a fire shutter in the event of a fire. It relates to a cooling and dehumidifying device that implements an air cleaning function and a ventilation function that automatically introduces outdoor air when the

Recently, while interest in indoor air quality is increasing, demand for air cleaning systems is also increasing.

The air cleaning system has a function of filtering indoor air and changing it into fresh air, and removes fine dust and odors in the room by controlling the air volume according to the degree of air pollution. Patent Document 1 discloses an air cleaning system that compares the air pollution level for each space with the reference air pollution level and displays information for moving the air cleaning device to the user so that the air cleanliness level can be increased from the most polluted space.

However, such a conventional air cleaning system basically circulates indoor air without ventilation to the outdoors, so there is a problem in that it is insufficient to cope with indoor carbon dioxide concentration. When indoor carbon dioxide concentration increases, people indoors may experience physical changes such as headaches and dizziness. Therefore, it is urgent to develop a technology capable of improving indoor carbon dioxide concentration while circulating indoor air.

Publication of Patent Publication KR10-2014-0129050 (air cleaning system)

The present invention not only circulates indoor air, but also supplies outdoor air to the room to improve the indoor carbon dioxide concentration, and implements an air cleaning function and ventilation function that automatically introduces outdoor air when a fire shutter is blocked due to a fire. Its purpose is to provide a cooling dehumidifier.

In order to solve the above problems, one embodiment of the present invention is a cooling and dehumidifying device that implements an air cleaning function and a ventilation function. , A case in which an outdoor suction unit for sucking in air from the outside and an outdoor discharge unit for discharging air to the outside are disposed on the upper surface; a first damper disposed between the indoor suction unit and the outdoor suction unit, a second damper disposed on a side of the indoor suction unit, and a third damper disposed on a side of the outdoor discharge unit; a damper unit for controlling the air flow inside the case; A compressor, a condenser, and an evaporator implementing a refrigeration cycle inside the case; a filter unit disposed below the indoor suction unit; a first motor disposed below the indoor discharge unit and allowing air drawn into the case to be discharged into the room while passing through the filter unit or the evaporator; a second motor disposed below the outdoor discharge unit and allowing the air drawn into the case to be exhausted to the outdoors while passing through the condenser; and a control unit, wherein the cooling and dehumidifying device can be operated in any one of a dehumidifying mode, an air cleaning mode, and a ventilation mode by the control unit.

In some embodiments of the present invention, the control unit may include an input receiving unit; And the first damper, the second damper, the third damper, the compressor, so that the cooling and dehumidifying device can operate in one of a dehumidifying mode, an air cleaning mode, and a ventilation mode based on the input received from the input receiver. It may include; an operation control unit that controls the operation of the condenser, the evaporator, the first motor, and the second motor.

In some embodiments of the present invention, the air conditioner and dehumidifier may include a temperature sensor installed in a room to sense the temperature of the air in the room; and a humidity sensor installed indoors to sense the humidity of the indoor air, wherein the first damper is closed according to the sensing values of each of the temperature sensor and the humidity sensor by the control unit, and the second damper is closed. The damper and the third damper are opened, and in a state in which the compressor, condenser, evaporator, first motor, and second motor are controlled to operate, the air drawn into the case through the indoor suction part passes through the filter part. is filtered while passing through the evaporator, dehumidified and cooled, and discharged to the room through the indoor discharge unit, and at the same time, the air drawn into the case through the outdoor suction unit is heated while passing through the compressor and the condenser. It may operate in a dehumidifying mode that is discharged to the outdoors through the outdoor discharge unit.

In some embodiments of the present invention, the air conditioner and dehumidifier further includes a fine dust sensor installed in the room and sensing the concentration of fine dust in the air in the room, and the control unit measures the sensing value of the fine dust sensor. Accordingly, the first damper and the third damper are closed, the second damper is opened, the compressor, the condenser, the evaporator, and the second motor do not operate, and the first motor is controlled to operate, the indoor It may operate in an air cleaning mode in which air drawn into the case through the side suction part passes through the filter part, removes viruses, suspended matter, and particulates, and then discharges the air into the room through the indoor discharge part.

In some embodiments of the present invention, the cooling and dehumidifying device further includes a CO ₂ sensor installed in the room and sensing the carbon dioxide concentration of the indoor air, and according to the sensing value of the CO ₂ sensor by the control unit. , the first damper is opened, the second damper and the third damper are closed, the compressor, the condenser, the evaporator, and the second motor do not operate, and the first motor is controlled to operate, the outdoor side It may operate in a ventilation mode in which air drawn into the case through the suction part passes through the filter part to remove viruses, suspended matter, and particulates, and then discharged into the room through the indoor discharge part.

In some embodiments of the present invention, the air conditioner and dehumidifier can automatically operate in a ventilation mode when a fire shutter is blocked due to a fire, thereby introducing outdoor air into the room to create a positive pressure in the room and supply oxygen. there is.

In some embodiments of the present invention, the cooling and dehumidifying device further includes four sides for selectively controlling the refrigerant passing through the condenser to flow into the evaporator or into the compressor, and the four sides are controlled by the control unit. Thus, when operating in the first operation mode, the refrigerant passing through the condenser may be introduced into the evaporator, and the refrigerant drawn into the evaporator may be introduced into the compressor, and when operating in the second operation mode, the refrigerant passing through the condenser may be introduced. The refrigerant flows into the compressor and the refrigerant drawn into the compressor flows into the evaporator, so that the cooling/dehumidifying device may operate in an auxiliary heating mode.

In some embodiments of the present invention, the cooling and dehumidifying device is disposed so as to rotate 90 degrees clockwise or counterclockwise from the outside of the cooling and dehumidifying device, and the air passing through the indoor discharge part is discharged to the room and the outdoor side It further includes a flow path separator for selectively controlling that the air passing through the discharge unit is discharged to the outdoors, or the air passing through the indoor discharge unit is discharged to the outside and the air passing through the outdoor discharge unit is discharged to the room. When the flow path separator is disposed in a non-rotating state by the control unit, it may form a first flow path through which air passing through the indoor discharge unit is discharged and air passing through the outdoor discharge unit is discharged to the outdoors. When disposed rotated by 90 degrees in a direction or counterclockwise direction, a second flow path through which the air passing through the indoor discharge part is discharged to the outside and the air passing through the outdoor discharge part is discharged into the room is formed, thereby cooling the air conditioner. The dehumidifier may operate in auxiliary heating mode.

According to one embodiment of the present invention, as the damper is disposed between the indoor suction unit and the external intake unit, the cooling and dehumidifying device can supply outside air to the indoor side to exert an effect of operating to improve the indoor carbon dioxide concentration. can

According to an embodiment of the present invention, by separating a passage through which indoor air passes and a passage through which outside air passes inside the cooling/dehumidifier by means of a damper, it is possible to achieve an effect of minimizing heat loss during indoor cold air dehumidification.

According to an embodiment of the present invention, the air conditioning and dehumidifier operates in one of a dehumidification mode, an air cleaning mode, and a ventilation mode based on sensing values of a temperature sensor, a humidity sensor, a fine dust sensor, and a CO ₂ sensor, thereby improving indoor air quality. can exert an effect that can effectively improve

According to one embodiment of the present invention, the air conditioner and dehumidifier automatically operates in a ventilation mode when a fire occurs and allows outside air to flow into the space, thereby creating an effect of reducing casualties due to fire by creating a positive pressure in the space. can exert

According to one embodiment of the present invention, a perforated drain plate having a plurality of through-holes formed on the upper surface is disposed on the lower inner surface of the case, so that noise caused by the compressor or condenser can be more effectively reduced.

According to one embodiment of the present invention, as the angle plate is disposed on the inside of the drain perforated plate so as to be inclined toward the drain hole, the water falling from the upper side of the drain perforated plate can easily flow toward the drain hole, thereby improving the drainage capacity. can be effective.

According to an embodiment of the present invention, the air conditioner and dehumidifier is provided with four sides to change the direction of the refrigeration cycle by the refrigerant, so that an auxiliary heating mode can be realized.

According to an embodiment of the present invention, the air conditioner and dehumidifier is provided with a flow separator to change the direction of air passing through the indoor discharge unit and the outdoor discharge unit, thereby achieving an effect of realizing an auxiliary heating mode.

1 schematically shows the internal configuration of a cooling and dehumidifying device according to an embodiment of the present invention.
2 schematically illustrates a perspective view of a condenser according to an embodiment of the present invention.
Figure 3 schematically shows a perspective view of a drain perforated board according to an embodiment of the present invention.
Figure 4 schematically shows the configuration and control elements of a control unit according to an embodiment of the present invention.
5 conceptually illustrates air flow when the cooling/dehumidifying device according to an embodiment of the present invention operates in a dehumidifying mode.
6 conceptually illustrates air flow when the cooling/dehumidifying device according to an embodiment of the present invention operates in an air cleaning mode.
7 conceptually illustrates air flow when the cooling/dehumidifying device according to an embodiment of the present invention operates in a ventilation mode.
8 schematically illustrates operating elements of a cooling/dehumidifying device according to an embodiment of the present invention.
9 illustratively illustrates a state in which a cooling and dehumidifying device according to an embodiment of the present invention is installed.
10 schematically illustrates a quadrilateral according to an embodiment of the present invention.
11 schematically shows a flow path separator according to an embodiment of the present invention.

In the following, various embodiments and/or aspects are disclosed with reference now to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to facilitate a general understanding of one or more aspects. However, it will also be appreciated by those skilled in the art that such aspect(s) may be practiced without these specific details. The following description and accompanying drawings describe in detail certain illustrative aspects of one or more aspects. However, these aspects are exemplary and some of the various methods in principle of the various aspects may be used, and the described descriptions are intended to include all such aspects and their equivalents.

Moreover, various aspects and features will be presented by a system that may include a number of devices, components and/or modules, and the like. It should also be noted that various systems may include additional devices, components and/or modules, and/or may not include all of the devices, components, modules, etc. discussed in connection with the figures. It must be understood and recognized.

"Example", "example", "aspect", "exemplary", etc., used herein should not be construed as preferring or advantageous to any aspect or design being described over other aspects or designs. .

In addition, the term “or” is intended to mean an inclusive “or” rather than an exclusive “or”. That is, unless otherwise specified or clear from the context, “X employs 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 either A or B" may apply to either of these cases. Also, the term "and/or" as used herein should be understood to refer to and include 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 element is present, but excludes the presence or addition of one or more other features, elements and/or groups thereof. It should be understood that it does not.

In addition, 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. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. The terms and/or include any combination of a plurality of related recited items or any of a plurality of related recited items.

In addition, terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

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 of ordinary skill in the art to which the present invention belongs. has the same meaning as Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the embodiments of the present invention, an ideal or excessively formal meaning not be interpreted as

Conventional air cleaning systems can filter indoor air and turn it into fresh air by controlling the air volume according to the degree of indoor air pollution, but basically circulate indoor air without ventilation to the outdoors, so it is insufficient to cope with indoor carbon dioxide concentration. there is

In order to solve this problem, the present invention provides a cooling and dehumidifying device 1 that not only circulates indoor air but also supplies outdoor air to the room.

More specifically, the present invention is a cooling and dehumidifier (1) that implements an air cleaning function and a ventilation function, and has a structure in which a configuration for realizing a refrigeration cycle and a configuration of the filter unit 400 are arranged therein, After dehumidifying, cooling and dehumidifying, and cleaning the air, it is supplied to the indoor side. In addition, the cooling and dehumidifying device 1 of the present invention has a structure in which a damper is disposed between the indoor suction unit 110 for sucking indoor air and the outdoor suction unit 130 for sucking outdoor air, so that outdoor air can be filtered and supplied indoors.

That is, with the above structure, the cooling and dehumidifying device 1 of the present invention can implement an air cleaning function and a ventilation function, and can effectively improve indoor carbon dioxide concentration.

Meanwhile, in the air conditioner and dehumidifier 1 of the present invention, an operation mode can be set based on a sensing value of a sensor installed indoors, and when a fire shutter is blocked due to a fire, outdoor air is automatically introduced into the space. You can do the action you want.

That is, the cooling and dehumidifying device 1 of the present invention can reduce human casualties due to fire by creating a positive pressure in the corresponding space when a fire occurs.

Hereinafter, the cooling and dehumidifying device 1 according to an embodiment of the present invention will be described in more detail.

1 schematically shows the internal configuration of a cooling and dehumidifying device 1 according to an embodiment of the present invention.

A cooling and dehumidifying device (1) implementing an air cleaning function and a ventilation function according to an embodiment of the present invention includes an indoor suction unit (110) for sucking in air from a room, and an indoor discharge unit (120) for discharging air into the room. ), a case 100 in which an outdoor suction unit 130 for sucking in air from the outside and an outdoor discharge unit 140 for discharging air to the outside are disposed on the upper surface; A first damper 210 disposed between the indoor suction part 110 and the outdoor suction part 130, a second damper 220 disposed on the side of the indoor suction part 110, and the a damper unit including a third damper 521 disposed on the side of the outdoor discharge unit 140 and controlling air flow inside the case 100; A compressor 310, a condenser 320, and an evaporator 330 implementing a refrigeration cycle inside the case 100; a filter unit 400 disposed below the indoor suction unit 110; It is disposed on the lower side of the indoor discharge unit 120, and the air drawn into the case 100 passes through the filter unit 400 or the evaporator 330 so that it can be discharged into the room. a first motor 510; a second motor 520 disposed below the outdoor discharge unit 140 and allowing air drawn into the case 100 to be exhausted to the outdoors while passing through the condenser 320; And a control unit 800; may include.

In this configuration, the cooling and dehumidifying device 1 can be operated in any one of a dehumidifying mode, an air cleaning mode, and a ventilation mode by the control unit 800 .

The first damper 210 controls air flow between the indoor suction part 110 and the outdoor suction part 130, and as shown in FIG. 1, the indoor suction part 110 and disposed between the outdoor suction unit 130.

When the first damper 210 is closed, a passage through which air sucked from the inside of the case 100 passes and a passage through which air sucked from the outdoors passes may be separated from each other. In this way, by separating the flow path through which indoor air passes and the flow path through which outdoor air passes inside the cooling and dehumidifier 1 by the damper, it is possible to achieve an effect of minimizing heat loss during indoor cold air dehumidification.

When the first damper 210 is opened, the passages are not separated. In particular, in this case, it is preferable that the second damper 220 and the third damper 521 are closed, and through this structure, the air that is sucked into the air conditioner 1 through the outdoor suction part 130 Outdoor air may be discharged indoors through the inner outlet. That is, as the damper is disposed between the indoor suction unit 110 and the outdoor suction unit 130, the cooling and dehumidifier 1 supplies outdoor air to the indoor side to improve the indoor carbon dioxide concentration. can be effective.

The second damper 220 is configured to control the air flow between the indoor side and the indoor suction part 110, and is disposed at the lower end side of the indoor suction part 110, although not shown in FIG. .

When the second damper 220 is closed, air is not sucked into the case 100 from the room, and at this time, it is preferable that the first damper 210 is open.

When the second damper 220 is open, air can be sucked into the case 100 from the room through the indoor suction part 110, and the air is drawn into the lower part of the indoor suction part 110. It can be filtered while passing through the filter unit 400 disposed in and discharged to the indoor side through the indoor side exhaust part.

The third damper 521 controls air flow between the inside and outside of the case 100, and is disposed on the side of the outdoor discharge unit 140, although not shown in FIG. Preferably, the third damper 521 is disposed in a form embedded in the second motor 520 disposed below the outdoor discharge unit 140 .

When the third damper 521 is closed, air accommodated inside the case 100 is not discharged to the outside, and at this time, it is preferable that the first damper 210 is open.

When the third damper 521 is opened, the air inside the case 100 passes through the second motor 520 and is discharged to the outdoors through the outdoor discharge unit 140, and the air is discharged to the outdoors. is preferably discharged in a heated state by mutual heat exchange while passing through the compressor 310 heated by the refrigeration cycle.

The filter unit 400 is disposed below the indoor suction unit 110 and may include an antiviral HEPA filter, a deodorization filter, and a pre-filter. In this configuration, the filter unit 400 filters air sucked from indoors or outdoors. The filtering corresponds to removing viruses, suspended matter, and particulates contained in the air.

In another embodiment of the present invention, the filter unit 400 may be disposed below the indoor suction part 110 and below the outdoor suction part 130 .

The first motor 510 corresponds to a configuration that applies force to generate air flow between the room and the air conditioner 1.

The first motor 510 allows the indoor air sucked into the case 100 to be cooled as it passes through the evaporator 330 and discharged into the room according to the operating output, or Outdoor air may be filtered while passing through the filter unit 400 and discharged indoors.

The second motor 520 applies force to generate air flow between the outdoor air and the air conditioner 1, and has a built-in third damper 521 to form an integrated structure.

The second motor 520 may allow outdoor air sucked into the case 100 to be heated while passing through the compressor 310 and discharged to the outdoors.

The control unit 800 corresponds to a configuration that controls the operation of the air conditioner and dehumidifier 1 as a whole. In this configuration, when the user inputs an operation mode by the control unit 800, the air conditioner 1 can operate manually according to the input operation mode, and the signal received from the sensor unit 700 It can also operate automatically according to . That is, the controller 800 can control the overall operation of the air conditioner 1 according to a signal from a user or the sensor unit 700 .

The internal configuration of the controller 800 and the operation mode of the air conditioner 1 will be described in detail in the drawings to be described later.

Meanwhile, the cooling and dehumidifying device 1 according to an embodiment of the present invention is disposed on the inner lower surface of the case 100, collects water generated from the evaporator 330, and is provided in the case 100. A drain perforated plate 600 for draining to the outdoors through the drain hole 150; may be further included.

The drain perforated plate 600 is preferably disposed below the evaporator 330 to collect water generated from the evaporator 330 . That is, the perforated drain plate 600 corresponds to a configuration in which water generated from the evaporator 330 is collected and drained to the inside of the air conditioner and dehumidifier 1.

The drain perforated plate 600 will be described in detail through drawings to be described later.

2 schematically illustrates a perspective view of a condenser 320 according to an embodiment of the present invention.

As shown in FIG. 2, the condenser 320 includes a frame 321 having an empty space therein; and a plurality of condensation pipes 322 disposed inside the frame 321. In addition, although not shown in FIG. 2, the condenser 320 is formed with a plurality of through-holes, and through the plurality of through-holes, the plurality of condensation pipes 322 are in contact with each other at a plurality of points; can include more.

In this configuration, in the condenser 320, the refrigerant flowing through the plurality of condensation pipes 322 can mutually exchange heat with the surrounding air. of air can be heated. As the second motor 520 operates, the air around the heated condenser 320 blows the outdoor discharge unit 140 by the air received into the inner space on the outdoor discharge unit 140 side of the case 100. can be exhausted to the outdoors.

3 schematically shows a perspective view of a drain perforated plate 600 according to an embodiment of the present invention.

The perforated drain plate 600 according to an embodiment of the present invention includes a perforated plate body 610 having a U-shaped cross section; a perforated plate top plate 620 disposed above the perforated plate main body 610 and having a plurality of first through holes 621 formed thereon; And in the inner space formed by the perforated board main body 610 and the perforated plate top plate 620, the upper end is coupled to one point where the perforated plate main body 610 and the perforated plate top plate 620 are coupled, and the lower end is coupled to the perforated plate An angle plate 630 coupled to a part of the inner lower surface of the main body 610 and arranged to be inclined in the direction of the inner lower surface of the perforated plate main body 610 from top to bottom.

The perforated drain plate 600 collects water generated from the evaporator 330 of the air conditioner 1 and drains it to the outside of the air conditioner 1, and as shown in FIG. 3, the perforated plate main body 610 , The perforated plate top plate 620, and the angle plate 630 may be combined to form an integral structure.

The perforated plate body 610 corresponds to a configuration that substantially collects water supplied from the upper side. The perforated plate body 610 has a U-shaped cross section, and when the drain perforated plate 600 is disposed and coupled to the inner lower surface of the air conditioner 1, the case 100 of the air conditioner 1 Since the side surface is blocked, a receiving space may be formed inside, and the water may be collected into the receiving space.

In addition, as shown in FIG. 3, the perforated plate body 610 has a drainage hole 611 formed on one side thereof. It is preferable that the one side surface is disposed at a position corresponding to the one side surface of the case 100 where the drain hole 150 is formed, and the drain hole 611 is formed at a position corresponding to the position of the drain hole 150.

The perforated plate upper plate 620 corresponds to the upper surface of the perforated drain plate 600, and has a structure in which a plurality of first through holes 621 and second through holes 622 are formed as a whole.

The plurality of first through holes 621 serve as a kind of passage, and correspond to a configuration in which water falling from the upper side is collected into the perforated plate body 610 . Similarly to the plurality of first through holes 621, the second through hole 622 may serve as a kind of passage and at the same time serve as a cradle on which a water level sensor is mounted.

The water level sensor corresponds to a configuration for sensing the water level contained in the receiving space formed inside the perforated plate body 610, and the water level sensor is built into the perforated drain plate 600, so that a structure capable of natural drainage can be achieved. effect can be exerted.

In addition, the perforated plate top plate 620 in which the plurality of first through holes 621 and second through holes 622 are formed forms the upper surface of the perforated drain plate 600, and the perforated drain plate 600 is a cooling/dehumidifier (1). ), the perforated drain plate 600 can effectively reduce noise that can be transmitted to the lower side of the air conditioner and dehumidifier 1. More specifically, noise may be generated by the compressor 310 or the condenser 320 disposed inside the cooling and dehumidifying device 1, and in this case, the noise is transmitted to the lower side of the cooling and dehumidifying device 1, There is a problem that residents using apartment houses may feel uncomfortable.

In the present invention, in order to prevent the above problem, the perforated drain plate 600 having the plurality of first through holes 621 and second through holes 622 formed on the upper surface is formed on the inner lower surface of the air conditioner 1. placed. This arrangement corresponds to an arrangement in which noise generated inside the air conditioner 1 can be absorbed through the plurality of first through holes 621 and second through holes 622 .

Preferably, a drain perforated plate 600 having a plurality of through holes formed on the upper surface is disposed on the inner lower surface of the case 100, which can more effectively reduce noise caused by the compressor 310 or the condenser 320 can be effective.

As shown in FIG. 3, the angle plate 630 is arranged to be inclined in the direction of the inner lower surface of the perforated plate body 610 from the top to the bottom, so as to prevent water falling from the upper side of the perforated plate top plate 620. It can be more easily moved toward the drainage hole 611 of the perforated plate body 610. This structure corresponds to a structure capable of improving the drainage capacity of the drain perforated plate 600.

Preferably, as the angle plate 630 is disposed on the inside of the drain perforated plate 600 to be inclined toward the drain hole 611, water falling from the upper side of the drain perforated plate 600 can easily flow toward the drain hole 611. It can have the effect of improving the drainage capacity.

Figure 4 schematically shows the configuration and control elements of the control unit 800 according to an embodiment of the present invention.

The control unit 800 according to an embodiment of the present invention includes an input receiving unit 810; and the first damper 210 so that the cooling/dehumidifying device 1 can operate in any one of a dehumidifying mode, an air cleaning mode, and a ventilation mode based on the input received from the input receiver 810. An operation control unit for controlling the operation of the second damper 220, the third damper 521, the compressor 310, the condenser 320, the evaporator 330, the first motor 510, and the second motor 520 ( 820);

In this configuration, the control unit 800 can control the control elements of the cooling and dehumidifying device 1 so that the cooling and dehumidifying device 1 can operate in any one of a dehumidifying mode, an air cleaning mode, and a ventilation mode. there is.

As shown in FIG. 4, the control elements of the air conditioner 1 are a first damper 210, a second damper 220, a third damper 521, a compressor 310, a condenser 320, and an evaporator. 330 , the first motor 510 , and the second motor 520 correspond to each other.

Meanwhile, the cooling and dehumidifying device 1 according to an embodiment of the present invention includes a temperature sensor 710 installed in the room and sensing the temperature of the air in the room; A humidity sensor 720 installed indoors to sense the humidity of the indoor air; A fine dust sensor 730 installed indoors to sense the concentration of fine dust in the indoor air; and a CO ₂ sensor 740 installed indoors to sense the carbon dioxide concentration of the indoor air.

In this configuration, the control unit 800 controls the cooling and dehumidifying device 1 based on the sensing values of each of the temperature sensor 710, humidity sensor 720, fine dust sensor 730, and CO ₂ sensor 740. ) can be controlled.

It is preferable that each of the temperature sensor 710, humidity sensor 720, fine dust sensor 730, and CO ₂ sensor 740 is installed in a room in which air quality is to be improved using the cooling/dehumidifying device 1. . The interior includes a common area of an apartment house, an indoor space of each household, and the like.

As described above, in one embodiment of the present invention, the air conditioner and dehumidifier 1 operates in a dehumidification mode based on the sensing values of the temperature sensor 710, the humidity sensor 720, the fine dust sensor 730, and the CO ₂ sensor 740. , air cleaning mode, and ventilation mode, the effect of effectively improving indoor air quality can be exerted.

Meanwhile, the control unit 800 according to an embodiment of the present invention may further include a fire detection unit 900.

In this configuration, the air conditioner 1 can automatically operate in a ventilation mode by detecting whether the fire shutter is blocked through the fire detection unit 900 . Preferably, in one embodiment of the present invention, the air conditioner and dehumidifier 1 automatically operates in a ventilation mode when a fire shutter is blocked due to a fire, thereby introducing outdoor air into the room to make the room in a positive pressure state. oxygen can be supplied.

In this way, the cooling and dehumidifying device 1 automatically operates in a ventilation mode when a fire occurs, and allows outdoor air to flow into the space, thereby creating a positive pressure in the space to reduce casualties due to fire. .

5 conceptually illustrates air flow when the cooling/dehumidifying device 1 according to an embodiment of the present invention operates in a dehumidifying mode.

In the cooling and dehumidifying device 1 according to an embodiment of the present invention, the first damper 210 operates according to the sensing values of the temperature sensor 710 and the humidity sensor 720 by the control unit 800, respectively. closed, the second damper 220 and the third damper 521 are opened, and the compressor 310, the condenser 320, the evaporator 330, the first motor 510, and the second motor 520 In the controlled state to operate, the air drawn into the case 100 through the indoor suction unit 110 is filtered while passing through the filter unit 400, and dehumidified and dehumidified while passing through the evaporator 330. Air that is cooled and discharged into the room through the indoor discharge unit 120 and at the same time drawn into the case 100 through the outdoor suction unit 130 is supplied to the compressor 310 and the condenser ( 320) and can operate in a dehumidifying mode in which it is heated and discharged to the outdoors through the outdoor discharge unit 140.

In this configuration, the cooling and dehumidifying device 1 dehumidifies and cools the indoor air and simultaneously filters the indoor air to create a pleasant indoor environment.

The cooling and dehumidifying device 1 according to an embodiment of the present invention basically implements an air cleaning function by the configuration of the filter unit 400 disposed below the indoor suction unit 110.

In this configuration, it is preferable that the air cleaning function is basically implemented together even in the dehumidification mode.

In addition, in the dehumidification mode, the refrigeration cycle is driven as the compressor 310, the condenser 320, and the evaporator 330 operate, and the air filtered through the filter unit 400 is dehumidified and cooled. That is, the dehumidification mode may correspond to a cold air dehumidification mode depending on the room temperature.

For example, when the temperature of the indoor air is lower than the preset temperature and the humidity of the indoor air is higher than the preset humidity, the cooling and dehumidifier 1 may operate in a dehumidifying mode, and the indoor air temperature may be set to the preset humidity. When the temperature is higher than the set temperature and the humidity of indoor air is higher than the set humidity, the cooling dehumidifier 1 may operate in a cool air dehumidification mode.

6 conceptually illustrates air flow when the cooling/dehumidifying device 1 according to an embodiment of the present invention operates in an air cleaning mode.

The air conditioner 1 according to an embodiment of the present invention, according to the sensing value of the fine dust sensor 730 by the control unit 800, the first damper 210 and the third damper 521 is closed, the second damper 220 is open, the compressor 310, the condenser 320, the evaporator 330, and the second motor 520 do not operate, and the first motor 510 operates. In the controlled state, the air introduced into the case 100 through the indoor suction unit 110 passes through the filter unit 400 to remove viruses, suspended matter, and particulates, thereby discharging the indoor air. It can operate in the air cleaning mode discharged into the room through the unit 120.

In this configuration, the cooling and dehumidifying device 1 can improve the indoor fine dust concentration by filtering the indoor air.

In the air cleaning mode, the control unit 800 can control the output of the first motor 510 according to a user's input. That is, in the air cleaning mode, the user can manually adjust the air volume.

In addition, in the air cleaning mode, a refrigeration cycle by a refrigerant is not implemented. In this configuration, when the air-conditioning and dehumidifier 1 operates in the air cleaning mode, indoor air is sucked in through the indoor suction unit 110 similarly to the above-described dehumidifying mode, and the indoor discharge unit 120 Even if discharged through the air, the air is not dehumidified and cooled, but only filtered and discharged.

7 conceptually illustrates air flow when the air conditioner 1 according to an embodiment of the present invention operates in a ventilation mode.

In the air conditioning and dehumidifier 1 according to an embodiment of the present invention, the first damper 210 opens according to the sensing value of the CO ₂ sensor 740 by the control unit 800, and the second damper 220 and the third damper 521 are closed, the compressor 310, the condenser 320, the evaporator 330, and the second motor 520 do not operate, and the first motor 510 operates. In the controlled state, the air introduced into the case 100 through the outdoor suction part 130 passes through the filter part 400, removing viruses, suspended matter, and particulates, and discharging the indoor air. It can operate in a ventilation mode that is discharged into the room through the unit 120.

In this configuration, the cooling and dehumidifying device 1 can improve the indoor carbon dioxide concentration by supplying outdoor air to the indoor side.

As described above, the air-purifying function of the air-conditioning and dehumidifier 1 is basically implemented by the configuration of the filter unit 400 disposed below the indoor intake unit 110.

In this configuration, the air conditioner 1 determines that the indoor saturated oxygen demand is insufficient when the carbon dioxide concentration of the indoor air sensed through the CO ₂ sensor 740 by the control unit 800 is greater than or equal to a preset range. And, by operating in the above ventilation mode and supplying outdoor air to the indoor side, it is possible to secure the amount of oxygen in the room.

That is, when the air conditioner 1 operates in a ventilation mode, a positive pressure is created in the room.

As such, in one embodiment of the present invention, the air conditioner 1 dehumidifies based on the sensing values of the temperature sensor 710, the humidity sensor 720, the fine dust sensor 730, and the CO ₂ sensor 740. By operating in one of the mode, air cleaning mode, and ventilation mode, an effect of effectively improving indoor air quality can be exhibited.

Meanwhile, in the air conditioner 1 according to an embodiment of the present invention, the humidity of the indoor air sensed through the humidity sensor 720 by the control unit 800 is equal to or greater than a preset range and the CO ₂ sensor a first automatic dehumidification mode operating as the dehumidification mode when the carbon dioxide concentration of indoor air sensed through 740 is within a preset range; When the humidity of the indoor air sensed through the humidity sensor 720 is greater than a predetermined range and the carbon dioxide concentration of the indoor air sensed through the CO ₂ sensor 740 is greater than a predetermined range, the indoor air a second automatic dehumidification mode operating in the dehumidification mode until the humidity of the unit is within a preset range and then operating in the ventilation mode; and when the humidity of indoor air sensed through the humidity sensor 720 is within a predetermined range and the carbon dioxide concentration of the indoor air sensed through the CO ₂ sensor 740 is greater than or equal to a predetermined range, the ventilation mode. It can operate in an automatic mode including; an automatic ventilation mode that operates as.

That is, when the air conditioner 1 operates in an automatic mode, implementing a dehumidification function corresponds to a priority. In this configuration, the air conditioner 1 may automatically operate based on the sensing values of the humidity sensor 720 and the CO ₂ sensor 740 without user setting.

8 schematically shows operating elements of a cooling/dehumidifying device 1 according to an embodiment of the present invention.

When the cooling and dehumidifying device 1 operates in the dehumidifying mode, the air cleaning mode, and the ventilation mode as shown in FIGS. 5 to 7, the control elements of the cooling and dehumidifying device 1 may operate as shown in FIG. 8. there is.

In the dehumidification mode, the first damper 210 is closed, the second damper 220 and the second damper 220 are opened, and the compressor 310, the condenser 320, and the evaporator 330 are operated, so that the refrigerating cycle starts. It is driven, and the first motor 510 and the second motor 520 operate.

In the air cleaning mode, the first damper 210 and the third damper 521 are closed, the second damper 220 is open, and the compressor 310, the condenser 320, and the evaporator 330 do not operate, thereby refrigerating. The cycle is not driven, the first motor 510 operates, and the second motor 520 does not operate.

In the ventilation mode, the first damper 210 is open, the second damper 220 and the third damper 521 are closed, and the compressor 310, the condenser 320, and the evaporator 330 do not operate, thereby refrigerating the cycle. is not driven, the first motor 510 operates, and the second motor 520 does not operate.

In this configuration, the cooling and dehumidifying device 1 according to an embodiment of the present invention can ventilate indoor air and supply outside air to the indoor side to improve the indoor carbon dioxide concentration.

9 illustratively illustrates a state in which a cooling and dehumidifying device 1 according to an embodiment of the present invention is installed.

The cooling and dehumidifying device 1 may be installed in a pit floor of a building in one embodiment of the present invention.

In the cooling and dehumidifying device 1, the indoor suction diffuser 2 is connected to the end of the indoor suction unit 110 to suck indoor air into the cooling and dehumidifying unit 1, and the indoor exhaust unit 120 An indoor discharge diffuser is connected to the end so that the air inside the cooling and dehumidifying device 1 can be discharged to the indoor side.

In addition, the cooling and dehumidifying device (1) has an outdoor suction port (4) connected to the end of the outdoor suction unit (130) to suck outdoor air into the cooling and dehumidifying device (1), and the outdoor discharge unit (140) An outdoor outlet 5 is connected to the end so that the air inside the cooling/dehumidifier 1 can be discharged to the outdoor side.

Meanwhile, in one embodiment of the present invention, the air conditioner 1 may improve the carbon dioxide concentration of a common area such as an elevator hall as shown in FIG. 9 . However, the air conditioner 1 of the present invention is not limited thereto and can improve the carbon dioxide concentration in all rooms including the common area.

10 schematically illustrates a quadrilateral 340 according to one embodiment of the present invention. The arrows shown in FIG. 10 correspond to the flow of the refrigerant.

The cooling and dehumidifying device 1 according to an embodiment of the present invention selectively controls whether the refrigerant passing through the condenser 320 is introduced into the evaporator 330 or into the compressor 310 ( 340); may be further included.

In this configuration, when the four sides 340 are operated in the first operation mode by the control unit 800, the refrigerant passing through the condenser 320 is introduced into the evaporator 330 and the evaporator 330 ) The refrigerant introduced into the compressor 310 may be introduced.

That is, when the four sides 340 operate in the first operation mode, as shown in FIG. 10 (a), the refrigeration cycle in the direction described above in FIGS. 1 to 8 can be implemented, and the The cooling and dehumidifying device 1 may operate in a dehumidifying mode or a cold air dehumidifying mode, depending on the embodiment.

Meanwhile, in this configuration, when the four sides 340 are operated in the second operation mode by the control unit 800, the refrigerant passing through the condenser is introduced into the compressor, and the refrigerant drawn into the compressor is transferred into the evaporator. , the cooling and dehumidifier can operate in an auxiliary heating mode.

Here, the evaporator converts the refrigerant to a high-temperature, high-pressure state according to the flow of the refrigerant and substantially serves as a compressor, and the compressor substantially serves as an evaporator by converting the refrigerant to a low-temperature and low-pressure state according to the flow of the refrigerant. In addition, the air discharged to the indoor side through the indoor discharge unit 120 can be heated while passing through the evaporator that actually serves as a compressor, so that the air conditioner 1 can supply heated air to the indoor side. there is.

That is, when the four sides 340 operate in the second operation mode, as shown in FIG. 10 (b), the refrigeration cycle in the opposite direction to the direction described in FIGS. 1 to 8 can be implemented. there is.

Preferably, in one embodiment of the present invention, when the four sides 340 operate in the second operation mode, the cooling and dehumidifier 1 closes the first damper 210 and the second damper ( 220) and the third damper 521 are opened, and the compressor 310, the condenser 320, the evaporator 330, the first motor 510, and the second motor 520 are controlled to operate, The air drawn into the case 100 through the indoor suction unit 110 is filtered while passing through the filter unit 400 and passes through the evaporator 330 substantially serving as a compressor 310. while being heated and discharged into the room through the indoor discharge part 120, and at the same time, the air introduced into the case 100 through the outdoor suction part 130 is substantially It can operate in an auxiliary heating mode in which it is cooled and dehumidified while passing through the compressor 310 and the condenser 320, and is discharged to the outdoors through the outdoor discharge unit 140.

As described above, in one embodiment of the present invention, the cooling and dehumidifying device 1 is provided with four sides 340 to change the direction of the refrigerating cycle by the refrigerant, so that the auxiliary heating mode can be realized.

11 schematically shows a flow path separator 7 according to an embodiment of the present invention. Arrows shown in FIG. 11 correspond to air flows.

The cooling and dehumidifying device 1 according to an embodiment of the present invention is disposed so as to rotate 90 degrees clockwise or counterclockwise from the outside of the cooling and dehumidifying device 1, and the indoor discharge unit 120 The air that has passed is discharged indoors and the air that has passed through the outdoor discharge part 140 is discharged to the outdoors, or the air that has passed through the indoor discharge part 120 is discharged to the outdoors and the outdoor discharge part 140 It may further include; a flow separator 7 for selectively controlling the discharge of the past air into the room.

In this configuration, when the flow path separator 7 is disposed in a non-rotating state by the control unit 800, the air passing through the indoor discharge unit 120 is discharged and the outdoor discharge unit First passages 71 and 72 through which air passing through 120 is discharged to the outdoors may be formed.

That is, when the flow path separator 7 forms the first flow paths 71 and 72 as shown in FIG. 11 (a), as described above with reference to FIGS. 1 to 8, the cooling and dehumidifying device 1 operates in a dehumidifying mode, Alternatively, it may operate in a cold air dehumidifying mode.

Preferably, in one embodiment of the present invention, when the flow path separator 7 forms the first flow paths 71 and 72, the cooling and dehumidifying device 1 closes the first damper 210, The second damper 220 and the third damper 521 are opened, and the compressor 310, the condenser 320, the evaporator 330, the first motor 510, and the second motor 520 operate. In a controlled state, the air introduced into the case 100 through the indoor suction unit 110 is filtered while passing through the filter unit 400, and cooled and dehumidified while passing through the evaporator 330. After passing through the indoor discharge part 120, the air is discharged into the room through the first passages 71 and 72, and at the same time, the air introduced into the case 100 through the outdoor suction part 130. is heated while passing through the compressor 310 and the condenser 320, passes through the outdoor discharge unit 140, and is discharged to the outdoors through the first passages 71 and 72.

In addition, in this configuration, when the flow path separator 7 is rotated by 90 degrees in a clockwise or counterclockwise direction by the control unit 800, it passes through the indoor discharge unit 120. By forming second flow passages 73 and 74 through which air is discharged to the outdoors and the air passing through the outdoor discharge unit 140 is discharged to the inside, the cooling and dehumidifying device 1 can operate in an auxiliary heating mode.

That is, when the flow path separator 7 forms the second flow paths 73 and 74 as shown in FIG. 11 (b), even if the direction of the refrigeration cycle by the refrigerant is not changed as shown in FIG. Heated air can be supplied to the side.

Preferably, in one embodiment of the present invention, when the flow path separator 7 forms the second flow paths 73 and 74, the cooling and dehumidifying device 1 closes the first damper 210, The second damper 220 and the third damper 521 are opened, and the compressor 310, the condenser 320, the evaporator 330, the first motor 510, and the second motor 520 operate. In a controlled state, the air introduced into the case 100 through the indoor suction unit 110 is filtered while passing through the filter unit 400, and cooled and dehumidified while passing through the evaporator 330. After passing through the indoor discharge part 120, the air is discharged to the outdoors through the second passages 73 and 74, and at the same time, the air introduced into the case 100 through the outdoor suction part 130. is heated while passing through the compressor 310 and the condenser 320, passes through the outdoor discharge unit 140, and is discharged indoors through the second flow passages 73 and 74. .

As described above, in one embodiment of the present invention, the cooling and dehumidifying device 1 is provided with a flow separator 7 to change the direction of air passing through the indoor discharge unit 120 and the outdoor discharge unit 140, It can exert the effect of realizing the auxiliary heating mode.

According to one embodiment of the present invention, as the damper is disposed between the indoor suction unit and the external intake unit, the cooling and dehumidifying device can supply outside air to the indoor side to exert an effect of operating to improve the indoor carbon dioxide concentration. can

According to an embodiment of the present invention, by separating a passage through which indoor air passes and a passage through which outside air passes inside the cooling/dehumidifier by means of a damper, it is possible to achieve an effect of minimizing heat loss during indoor cold air dehumidification.

According to an embodiment of the present invention, the air conditioning and dehumidifier operates in one of a dehumidification mode, an air cleaning mode, and a ventilation mode based on sensing values of a temperature sensor, a humidity sensor, a fine dust sensor, and a CO ₂ sensor, thereby improving indoor air quality. can exert an effect that can effectively improve

According to one embodiment of the present invention, the air conditioner and dehumidifier automatically operates in a ventilation mode when a fire occurs and allows outside air to flow into the space, thereby creating an effect of reducing casualties due to fire by creating a positive pressure in the space. can exert

According to one embodiment of the present invention, a perforated drain plate having a plurality of through-holes formed on the upper surface is disposed on the lower inner surface of the case, so that noise caused by the compressor or condenser can be more effectively reduced.

According to one embodiment of the present invention, as the angle plate is disposed on the inside of the drain perforated plate so as to be inclined toward the drain hole, the water falling from the upper side of the drain perforated plate can easily flow toward the drain hole, thereby improving the drainage capacity. can be effective.

According to an embodiment of the present invention, the air conditioner and dehumidifier is provided with four sides to change the direction of the refrigeration cycle by the refrigerant, so that an auxiliary heating mode can be realized.

According to an embodiment of the present invention, the air conditioner and dehumidifier is provided with a flow separator to change the direction of air passing through the indoor discharge unit and the outdoor discharge unit, thereby achieving an effect of realizing an auxiliary heating mode.

As described above, although the embodiments have been described with limited examples and drawings, those skilled in the art can make various modifications and variations from the above description. For example, the described techniques may be performed in an order different from the method described, and/or components of the described system, structure, device, circuit, etc. may be combined or combined in a different form than the method described, or other components may be used. Or even if it is replaced or substituted by an equivalent, appropriate results can be achieved. Therefore, other implementations, other embodiments, and equivalents of the claims are within the scope of the following claims.

1: Cooling dehumidifier
100: case
110: indoor suction unit 120: indoor discharge unit
130: outdoor suction unit 140: outdoor discharge unit
150: drain
210: first damper 220: second damper
310: compressor 320: condenser
321: frame 322: condensation pipe
330: evaporator 340: four sides
400: filter unit
510: first motor 520: second motor
521: third damper
600: drain perforated board
610: perforated plate body 611: drainage hole
620: perforated plate top plate 621: first through hole
622: second through hole 630: angle plate
700: sensor unit
710: temperature sensor 720: humidity sensor
730: fine dust sensor 740: CO ₂ sensor
800: control unit
810: input receiving unit 820: operation control unit
900: fire detection unit
2: indoor suction diffuser 3: indoor exhaust diffuser
4: outdoor inlet 5: outdoor outlet
6: drain pipe 7: flow separator

Claims (8)

As a cooling dehumidifier that implements air cleaning and ventilation functions,
A case in which an indoor intake unit that draws in air from the room, an indoor exhaust unit that discharges air to the room, an outdoor intake unit that sucks in air from the outdoors, and an outdoor discharge unit that discharges air to the outdoors are disposed on the upper surface. ;
A first damper disposed between the indoor suction part and the outdoor suction part, a second damper disposed at the lower end of the indoor suction part, and a third damper disposed in a built-in form below the outdoor discharge part. Including, a damper unit for adjusting the air flow inside the case;
A compressor, a condenser, and an evaporator implementing a refrigeration cycle inside the case;
a filter unit disposed below the indoor suction unit;
a first motor disposed below the indoor discharge unit and allowing air drawn into the case to be discharged into the room while passing through the filter unit or the evaporator;
a second motor disposed below the outdoor discharge unit and allowing the air drawn into the case to be exhausted to the outdoors while passing through the condenser; and
Including; control unit;
The control unit,
input receiving unit; and
The first damper, the second damper, the third damper, the compressor, and the condenser allow the cooling and dehumidifying unit to operate in one of a dehumidifying mode, an air cleaning mode, and a ventilation mode based on the input received from the input receiver. , An operation control unit for controlling the operation of the evaporator, the first motor, and the second motor; includes,
The cooling and dehumidifying device operates in a dehumidifying mode in which the first damper is closed, the second damper and the third damper are open, and the air purifying mode operates in a state where the first damper and the third damper are closed and the second damper is open, by the control unit. mode, and a ventilation mode in which the first damper is open and the second damper and the third damper operate in a closed state,
The cooling dehumidifier,
The air conditioner is arranged to rotate 90 degrees in a clockwise or counterclockwise direction from the outside of the air conditioner and dehumidifier, and the air passing through the indoor discharge part is discharged indoors and the air passing through the outdoor discharge part is discharged to the outside, or the indoor A flow path separator for selectively controlling that the air passing through the side discharge unit is discharged to the outdoors and the air passing through the outdoor discharge unit is discharged indoors; further comprising,
The flow path separator by the control unit,
When disposed in a non-rotating state, a first flow path through which air passing through the indoor discharge portion is discharged and air passing through the outdoor discharge portion is discharged to the outdoors may be formed;
When disposed in a clockwise or counterclockwise rotation by 90 degrees, a second flow path is formed through which air passing through the indoor discharge part is discharged to the outside and the air passing through the outdoor discharge part is discharged into the room. A cooling and dehumidifying device that can operate in auxiliary heating mode.
delete The method of claim 1,
The cooling dehumidifier,
a temperature sensor installed in the room to sense the temperature of the air in the room; and
A humidity sensor installed in the room to sense the humidity of the air in the room; further comprising,
The first damper is closed, the second damper and the third damper are opened, and the compressor, condenser, evaporator, first motor, and second motor are closed according to the sensing values of the temperature sensor and the humidity sensor, respectively, by the control unit. is controlled to operate, the air drawn into the case through the indoor suction unit is filtered while passing through the filter unit, dehumidified and cooled while passing through the evaporator, and discharged into the room through the indoor discharge unit. At the same time, the cooling and dehumidifying device operates in a dehumidifying mode in which the air drawn into the case through the outdoor suction part is heated while passing through the compressor and the condenser and discharged to the outdoors through the outdoor discharge part.
The method of claim 1,
The cooling dehumidifier,
Further comprising a fine dust sensor installed indoors to sense the concentration of fine dust in the indoor air,
According to the sensing value of the fine dust sensor by the control unit, the first damper and the third damper are closed, the second damper is opened, the compressor, the condenser, the evaporator, and the second motor do not operate, and the second damper is not operated. 1 While the motor is controlled to operate, the air drawn into the case through the indoor suction part passes through the filter part, removes viruses, floating matter, and particulates, and is discharged into the room through the indoor discharge part. A cooling dehumidifier that operates in air cleaning mode.
The method of claim 1,
The cooling dehumidifier,
A CO ₂ sensor installed indoors to sense the carbon dioxide concentration of the indoor air; further comprising;
According to the sensing value of the CO ₂ sensor by the controller, the first damper is opened, the second damper and the third damper are closed, the compressor, the condenser, the evaporator, and the second motor do not operate, and the second damper is not operated. 1 In a state where the motor is controlled to operate, the air drawn into the case through the outdoor suction part passes through the filter part, removes viruses, floating matter, and particulates, and is discharged into the room through the indoor discharge part. A cooling dehumidifier that operates in ventilation mode.
The method of claim 5,
The cooling and dehumidifying device automatically operates in a ventilation mode when a fire shutter is blocked due to a fire, thereby introducing outdoor air into the room to create a positive pressure in the room and supplying oxygen.
The method of claim 1,
The cooling and dehumidifying device further includes a four-way valve for selectively controlling the refrigerant passing through the condenser to be drawn into the evaporator or into the compressor,
The four sides are controlled by the control unit,
When operating in the first operation mode, the refrigerant passing through the condenser may be introduced into the evaporator and the refrigerant drawn into the evaporator may be introduced into the compressor;
When operating in the second operation mode, the refrigerant passing through the condenser is drawn into the compressor, and the refrigerant drawn into the compressor is drawn into the evaporator, so that the cooling and dehumidifying device can operate in an auxiliary heating mode.
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