KR100710374B1 - Air conditioning system - Google Patents

Abstract

The present invention is to provide an air conditioning system capable of ventilation of the entire room. To this end, the present invention, having a heat exchanger for adjusting the temperature of the air supplied to the room and a cabinet for accommodating the heat exchanger, the indoor to suck the outdoor air in the entire ventilation mode for the entire ventilation to supply the indoor Air conditioning unit; And the inlet is connected to the cabinet of the indoor air conditioning unit to guide the air discharged from the indoor air conditioning unit, the duct for evenly guiding the outdoor air supplied by the indoor air conditioning unit in the entire ventilation mode throughout the room. It provides an air conditioning system configured to include. Therefore, according to the air conditioning system according to the present invention, the entire interior can be ventilated at the same time, thereby achieving a comfortable living space.

Indoor air conditioning unit, duct, heat exchanger, air supply damper, indoor discharge unit

Description

Air Conditioning System

1 is a view schematically showing a state where an air conditioning system is installed indoors according to an embodiment of the present invention;

Figure 2 is a perspective view schematically showing the internal configuration of an embodiment of the indoor air conditioning unit provided in the air conditioning system shown in FIG.

3 is a plan view schematically showing the internal configuration of the indoor air conditioning unit shown in FIG.

4 is a perspective view schematically showing an embodiment of the outdoor unit provided in the air conditioning system shown in FIG.

5 is a perspective view showing an embodiment of an indoor ejector constituting an indoor discharge unit applied to the air conditioning system shown in FIG.

6 is a bottom view illustrating a state in which a lower panel is removed from an indoor ejector of an indoor ejection unit illustrated in FIG. 5;

FIG. 7 is a longitudinal sectional view of the indoor ejector shown in FIG. 5; FIG.

8 is a cross-sectional view showing a duct applied to an air conditioning system according to the present invention and a damper for opening and closing the duct.

9 is a block diagram showing the configuration of an air conditioning system according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: indoor air conditioning unit 110: electric heat exchanger

120: heat exchanger 130: cabinet

140: first blower 150: second blower

200: outdoor unit 300: duct section

312: supply damper 322: exhaust damper

400: indoor discharge unit 410, 420, 430: indoor discharger

500: central control unit 521, 522, 523: indoor control unit

The present invention relates to an air conditioning system, and more particularly, to an air conditioning system in which a plurality of indoor discharge units are connected to one indoor air conditioning unit.

In general, an air conditioning system functions to cool or heat an indoor space such as a living space, a restaurant, a library, or an office.

To this end, a general air conditioning system includes a compressor, a condenser, an expansion device, and an evaporator, and indoor air is cooled or heated by a phase change of the refrigerant passing through the compressor, the condenser, the expansion device, and the evaporator.

The air conditioning system is classified into an integrated air conditioning system in which an outdoor unit and an indoor unit are integrally formed, and a separate air conditioning system in which the outdoor unit and the indoor unit are separately installed.

Here, the integrated air conditioning system is a structure in which an indoor unit for heat exchange with indoor air and an outdoor unit for heat exchange with outdoor air are integrally installed in one case, and are mainly installed in a window.

In the separate type air conditioning system, an indoor air conditioning unit having an indoor heat exchanger that exchanges heat with indoor air is attached to a wall or a ceiling of the indoor space, and an outdoor unit that exchanges heat with outdoor air is configured separately from the indoor unit, and is a veranda of an apartment. Installed on the outer wall of the building.

However, the general air conditioning system described above has a problem in that an installation cost increases because a separate ventilation device must be installed for indoor ventilation.

Therefore, in recent years, the development of an air conditioning system capable of cooling / heating several rooms in a room with one indoor air conditioning unit and simultaneously ventilating the entire room at the same time is required.

In order to solve the above problems, it is an object of the present invention to provide an air conditioning system that is easy to install and simple to structure while simultaneously supplying outdoor air to the indoor space for indoor ventilation.

Another object of the present invention is to provide an air conditioning system in which the control of the entire ventilation mode for ventilation of the entire room is efficiently performed.

In order to achieve the above object, the present invention has a heat exchanger for adjusting the temperature of the air supplied to the room and a cabinet for accommodating the heat exchanger, by sucking the outdoor air in the entire ventilation mode for the entire room ventilation An indoor air conditioning unit for supplying indoors; And the inlet is connected to the cabinet of the indoor air conditioning unit to guide the air discharged from the indoor air conditioning unit, the duct for evenly guiding the outdoor air supplied by the indoor air conditioning unit in the entire ventilation mode throughout the room. It provides an air conditioning system configured to include.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be specifically realized are described with reference to the accompanying drawings.

In describing the present embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted below.

First, a provided air conditioning system according to the present invention will be described with reference to FIG.

Referring to Figure 1, the air conditioning system according to the present invention, the indoor air conditioning unit 100 for controlling the temperature of the air supplied to the room, the outdoor unit 200 for heat exchange with the outdoor air, and several rooms (room) It is configured to include a plurality of indoor discharging unit 400 distributed in and connected to the indoor air conditioning unit (100).

Here, the indoor discharge units 400 and the indoor air conditioning unit 100 are connected by the duct 300 to guide the air-conditioned air into the room.

The indoor air conditioning unit 100 performs an air conditioning function of cooling or heating the air supplied to the room for cooling or heating the room. In addition, the indoor air conditioning unit 100 is preferably configured to be operated in the entire ventilation mode to perform the entire ventilation by supplying the entire indoors through the duct unit 300 by sucking the outdoor air. .

In addition, the indoor air conditioning unit 100 is configured to perform a function of minimizing heat loss by mutually heat-exchanging the outdoor air supplied to the room and the indoor air discharged to the outside.

The indoor air conditioning unit 100 having the above function may be installed on the ceiling or the wall of the living room or the room, but is preferably installed on the ceiling of the veranda.

The reason is that the veranda is generally installed adjacent to the living room of the house or apartment, and the ceiling of the veranda is built higher than the ceiling of the living room or the room, so that the indoor air conditioning unit 100 is installed on the ceiling of the veranda. Can be.

Therefore, in order to install the indoor air conditioning unit 100, since it is not necessary to form an accommodation space of a predetermined size for accommodating the indoor air conditioning unit 100 on the ceiling or the wall of the room, the utilization rate of the indoor space is high, The distance from the outdoor unit 200 is minimized.

In addition, due to the installation of the indoor air conditioning unit 100, the problem of harming the aesthetics of the room is also eliminated, it is possible to cool or heat a plurality of rooms and the living room with one indoor air conditioning unit (100).

The outdoor unit 200 is installed on the outer wall or porch of the building, and is provided with an outdoor heat exchanger for exchanging heat with outdoor air and a blower for forcing the flow of air to increase the heat exchange efficiency of the outdoor heat exchanger.

Next, the duct unit 300 guides the indoor air to the indoor air conditioning unit 100 and functions to guide the air discharged from the indoor air conditioning unit 100 to the room.

To this end, the duct 300, the duct 310 for guiding the air discharged from the indoor air conditioning unit 100 and supplied to the room and the duct to guide the indoor air to the indoor air conditioning unit 100 ( 320).

For convenience of description below, the duct 310 for guiding the air discharged from the indoor air conditioning unit 100 and supplied to the room is referred to as a first duct, and guides the indoor air to the indoor air conditioning unit 100. The duct 320 is called a second duct, and the duct part 300 will be described later.

Hereinafter, an embodiment of an indoor air conditioning unit for air conditioning of air supplied to a room will be described with reference to FIGS. 2 and 3.

2 is a perspective view showing the internal configuration of the indoor air conditioning unit according to an embodiment of the present invention, Figure 3 is a plan view showing the internal configuration of the indoor air conditioning unit according to an embodiment of the present invention.

2 and 3, the indoor air conditioning unit 100, the indoor heat exchanger 110 for heat exchange with the air supplied to the room for controlling the temperature of the air supplied to the room, and the indoor heat exchanger 110 It is configured to include a cabinet 130 for receiving.

Here, the indoor air conditioning unit 110 of the air conditioning system according to the present invention is interlocked with the indoor discharge unit 400, the total ventilation mode for ventilation of the entire room and the heating and cooling mode for the heating and cooling of the room and the ventilation mode It is configured to perform the interlocking mode to simultaneously perform the heating and cooling mode.

To this end, it is preferable that the inside of the cabinet 130 is further provided with a total heat exchanger 120 to minimize the heat loss by recovering the heat of the air discharged from the indoor to the outdoor for indoor ventilation.

Here, the total heat exchanger (120) is provided on one side of the indoor heat exchanger (110), and functions to mutual heat exchange between the outdoor air supplied from the outside for ventilation and the indoor air discharged from the indoor to the outdoor.

Accordingly, the total heat exchanger 120 is accommodated in one side of the cabinet 130, and the indoor heat exchanger 110 is accommodated in the other side.

The cabinet 130 includes a first inlet 131 through which indoor air is introduced, a first outlet 132 for discharging air supplied from the indoor heat exchanger 110 to the room, and the heat exchanger 120. And a second inlet 133 for supplying outdoor air to the furnace, and a second outlet 134 for discharging the indoor air heat-exchanged in the heat exchanger 120 to the outside.

Here, the cabinet 130 has a substantially rectangular box shape, the second inlet 131 is connected to the first inlet 131 to guide indoor air to the inside of the cabinet 130, and the first The outlet 132 is connected to the first duct 310 to guide the air to the indoor discharge unit 400.

In addition, the second suction port 133 may be provided with a preheater 133a for heating outdoor air introduced into the heat exchanger 120.

On the other hand, the first suction port 131 and the first discharge port 132 is preferably formed on one side of the cabinet 130. The second suction port 133 and the second discharge port 134 may be formed on the other side surface opposite to the one side surface.

The indoor heat exchanger 110 is provided between one side surface of the cabinet 130 in which the first inlet 131 and the first outlet 132 are formed and the heat exchanger 120. Accordingly, the total heat exchanger 120 is installed between the other side surface of the cabinet 130 in which the second inlet 133 and the second outlet 134 are formed and the indoor heat exchanger 110.

The cabinet 130 having the above configuration is a vertex such that one side of the cabinet 130 in which the first suction port 131 and the first discharge port 132 are formed faces toward the interior and the other side faces toward the outside. Is installed on the ceiling of the, more preferably one side perpendicular to the front and back of the cabinet 130 is preferably installed on the ceiling edge of the veranda so as to be in close contact with one side wall of the veranda.

Here, the outdoor air supplied from the outside for the indoor ventilation and discharged from the heat exchanger 120 is introduced into the indoor heat exchanger 110, cooled or heated, and then supplied to the indoor air.

To this end, the first inlet 131 is selectively in communication with the second outlet 134, and the second inlet 133 is configured to selectively communicate with the first outlet 132.

Referring to the structure of the heat exchanger 120 in more detail, the heat exchanger 120, the first communication port for discharging the outdoor air sucked into the second inlet 133 to the indoor heat exchanger 110 side. 111, a first communication port 112 into which the indoor air sucked into the cabinet 130 through the first suction port 131, and a first communication port 111 may be opened and closed. A damper 113 and a second damper 114 are provided to be opened and closed at the second communication port 112.

In addition, the first heat exchanger 120 and the second communication port 112 are formed in the total heat exchanger 120, and the boundary wall 115 forming a space in which the indoor heat exchanger 110 is accommodated is formed. It is provided.

In addition, the inside of the heat exchanger 120 is provided with a substantially rectangular box-shaped heat exchanger 116, the shape of the heat exchanger 116 is not limited thereto.

Here, the first heat exchange unit 116, the first flow path (not shown) through which the indoor air discharged to the outside flows and the outdoor air supplied to the room flows in a second flow path (not shown) orthogonal to the first flow path (not shown). ) Is provided.

The first flow path communicates with the second communication port 112 and the second discharge port 134, and the second flow path communicates with the first communication port 111 and the second suction port 133. do.

According to the above configuration, the indoor air passing through the first flow path exchanges heat with the outdoor air passing through the second flow path, thereby minimizing heat loss.

Next, the first damper 113 and the second damper 114 which open and close the first communication port 111 and the second communication port 112, respectively, are configured to be opened and closed by rotation.

The opening and closing angles of the first damper 113 and the second damper 114 are adjusted according to the operation mode of the air conditioning system according to the present invention.

Here, in the ventilation mode, the first damper 113 so that the entire indoor air introduced into the cabinet 130 through the first inlet 131 is discharged to the outside and the outdoor air can be supplied to the room. And the second damper 114 are fully open.

In the interlocking mode, a part of the indoor air introduced into the cabinet 130 through the first inlet 131 is discharged to the outside, and the rest is returned to the room via the indoor heat exchanger 110. At the same time, the first damper 113 and the second damper 114 are provided so that outdoor air introduced through the second suction port 133 can be supplied to the room via the indoor heat exchanger 110. The predetermined angle is opened.

Next, in the cooling or heating mode, the first damper 113 and the second damper 114 are completely closed so that the indoor air sucked into the first suction port 131 is entirely in the indoor heat exchanger. 110).

Therefore, the air conditioning system according to the present invention discharges the entire indoor air introduced into the cabinet 130 through the first inlet 131 to the outside through the second outlet 134, or the first Part of the indoor air introduced into the cabinet 130 through the inlet 131 is discharged to the second outlet 134, and the air introduced into the cabinet 130 through the second inlet is indoors. Alternatively, the entire air flowing into the cabinet 130 through the first suction port may be supplied to the room again through the first discharge port 132.

In addition to the above configuration, the interior of the cabinet 130, the suction flow path of the indoor air introduced through the first suction port 131, and is communicated with the suction flow path is discharged through the first discharge port 132 It is preferred that a guide wall 135 is provided which forms an exhaust passage of air.

Here, the indoor heat exchanger 110 is provided in the exhaust passage, and the indoor air introduced through the first suction port 131 and / or the outdoor air supplied through the first communication port 111 are the indoor air. After cooling or heating in the heat exchanger 110, it is supplied into the room through the second duct 320 connected to the first outlet 132.

In more detail, the guide wall 135 has one end connected to the cabinet inner wall between the first inlet 131 and the first outlet 132, and the other end of the guide wall 135 has a predetermined distance from the heat exchanger 120. Spaced apart to form a communication hole (not shown) in which the suction passage and the exhaust passage communicate.

In addition, the guide wall 135 discharges the indoor air introduced through the first suction port 131 to the outside through the second communication port 112 of the heat exchanger 120 during the ventilation mode operation. If possible, it is connected to the second damper 114 to shield the communication hole.

In addition, the indoor air conditioning unit 100, for forcibly suctioning the indoor air through the first blower 140 for forcing the flow of air to the first outlet 132, and the first suction port 131. It is preferable that the second blower 150 is provided.

In more detail, the first blower 140 is provided between the indoor heat exchanger 110 and the first outlet 132, that is, in the exhaust passage, and flows in from the first suction port 131. Indoor air and / or outdoor air discharged from the first communication port 111 is forcibly sucked and blown to the first discharge port 132.

In addition, the second blower 150 is provided in the suction passage and forcibly sucks indoor air through the first suction port 131 and discharges the air to the second communication port 112.

Here, it is preferable that the discharge part of the second blower 150 is provided with a diaphragm 151 for dividing the discharge part at a predetermined ratio.

The diaphragm 151 divides the air discharged from the discharge part at a predetermined ratio and connects the boundary wall of the heat exchanger 120 to be connected to the second damper 114 which is opened at a predetermined angle during the interlocking mode operation. It is preferable to extend toward 115.

Meanwhile, a refrigerant pipe (not shown) through which a refrigerant flows is connected to the indoor heat exchanger 110, and the refrigerant flowing inside the indoor heat exchanger 110 is formed from air passing through the indoor heat exchanger 110. By absorbing heat or releasing heat into the air passing through the indoor heat exchanger 110, the air conditioning function is performed.

Here, one end of the indoor heat exchanger 110 is connected to the rear surface of the cabinet, and the other end is connected to the other inner side wall, that is, the side inner wall perpendicular to the rear surface of the cabinet, and has a totally “b” shape.

As described above, when the indoor heat exchanger 110 is configured to have a "b" shape, the indoor heat exchanger 110 flows into the indoor heat exchanger 110 at the inlet side of the indoor heat exchanger 110, particularly at a position adjacent to the bent portion. Dispersion guide 136 to prevent the bias of the air is preferably provided.

Next, an embodiment of the outdoor unit provided in the air conditioning system according to the present invention will be described with reference to FIG. 4.

Referring to FIG. 4, a front suction hole 201a is formed on a front surface of the outdoor unit cabinet 201 forming the exterior of the outdoor unit 200, and a side discharge hole 201b is formed on one side thereof.

In addition, a machine room 202 having a compressor 203 for compressing and discharging a refrigerant at a high pressure is formed at an opposite side of one side of the outdoor unit cabinet 201 where the side discharge ports 201b are formed.

Here, the discharge side of the compressor 203 is provided with a switching device (not shown) such as a four-way valve for switching the flow of the refrigerant to cool and heat the room to cool the room in summer and to heat the room in winter.

In addition, an outdoor heat exchanger 205 is mounted inside the front suction opening 201a, and a refrigerant circulated by the driving of the compressor 203 flows inside the outdoor heat exchanger 205 while the outdoor air exchanges with each other. Condensation in the cooling mode and evaporation in the heating mode.

Meanwhile, a fan is provided at the rear of the outdoor heat exchanger 205, and the fan sucks air through the suction port 201a formed at the front of the outdoor unit cabinet 201 and discharges it through the side discharge port 201b. .

Here, a plurality of fans may be installed in the up and down direction in parallel in the outdoor unit cabinet 201.

The fan is preferably made of a sirocco fan 204. The sirocco fan 204 has the advantage of low noise, easy installation, and increase the amount of air flow by increasing the discharge static pressure as described above.

The sirocco fan 204 includes a plurality of blades 207 provided along the circumferential direction and a fan housing 206 accommodating the blades 207. Here, the blades 207 are rotated at a high speed by receiving the rotational force from the drive motor to suck air in the axial direction and discharge in the circumferential direction.

In addition, the fan housing 206 has a front suction part 204a perpendicular to the axial direction of the blade 207 formed on its front surface, and provides air to the side discharge port 201b of the outdoor unit cabinet in a substantially tangential direction. The discharge part 204b which discharges is formed.

Therefore, outdoor air sucked into the side suction part 204a by the rotation of the blades 207 is discharged through the discharge part 204b.

Next, an embodiment of the indoor discharge unit 400 will be described with reference to FIGS. 5 to 7.

5 to 7, the indoor discharge unit 400 is connected to the first duct 310 and distributed in various rooms in the room, and the second duct 320 is disposed through the second duct 320. It serves to discharge the air supplied from the indoor air conditioning unit 100 to the room.

Here, the indoor discharge unit 400 serves to purify the air discharged into the room. Each of the indoor discharge units 400 includes at least one indoor discharger 410, 420, 430 installed in a ceiling or a wall of the room to purify the air discharged into the room.

Hereinafter, an indoor ejector 410 installed in one room among the indoor ejectors 410, 420, and 430 will be described as an example.

The indoor ejector 410 is configured to include a housing 411 forming an appearance and a blower 421 installed inside the housing.

The blower includes a pair of blower fans 421a and a motor 421b for driving the blower fans 421a.

In the housing 411, an inlet 411a through which air conditioned air is sucked from the indoor air conditioning unit 100 and a discharge port 411b for discharging air into the room are separately formed.

Here, the housing 411 may be configured in a variety of shapes, in the present embodiment discloses a substantially rectangular box-shaped housing, the inlet 411a is formed on one side of the housing 411, the discharge port 411b is formed long in the longitudinal direction on the bottom of the housing 411.

In addition, the inner space of the housing 411 is partitioned by a flow separating plate 413 into a central portion provided with the blowing fans 421a and both edge portions of the housing 411 located on both sides of the central portion.

For convenience of description, a flow path formed in the center of the housing in which the blower fan 430 is installed is referred to as a main blowing flow path 413a, and flow paths formed at both sides thereof are referred to as a bypass flow path 413b.

Accordingly, a part of the air introduced through the suction port 411a is supplied to the room through the discharge port 411b via the blowing fan 421a provided in the main blowing channel 431a. The rest of the air flowing through the inlet 411a is discharged into the room via the bypass passage 413b.

In addition to the above configuration, the indoor ejector 410 preferably further includes a first filter 414 for purifying the air discharged into the room. Here, the first filter 414 may be provided inside the discharge port 411b.

Accordingly, the first filter 414 filters the fine dust or foreign matter contained in the air blown by the blowing fans 421a to supply comfortable air to the living room or the room of the room.

In addition, one side of the housing 411 in which the inlet 411a is formed is provided with an expansion duct 415 to which the first duct 310 is connected, and the inlet 411a is provided by a damper 416. Open and closed, the damper 416 is called a first damper.

Since the expansion duct 415 has a wider width of the other end to which one side surface of the housing 411 is connected than an end to which the first duct 310 is connected, the cross-sectional area is extended from one end to the other end thereof. It has a shape.

Here, the expansion duct 415 serves to separate and guide the air supplied through the first duct 310 into the main air supply passage 413a and the bypass passage 413b. To this end, a diaphragm 415a is formed in the expansion duct 415.

On the other hand, the bottom of the housing 411 is formed with a purification inlet 411c for inhaling indoor air. In more detail, the discharge port 411b is formed at one edge of the bottom of the housing 411, and the purge suction port 411c is formed at approximately the center of the bottom of the housing.

In addition, the purge inlet 411c may further include a second air filter 414b for purifying indoor air.

In addition, a bottom panel 417 is provided at a bottom of the housing 411, having an indoor suction part 417a communicating with the purification suction port 411c and an indoor discharge part 417b communicating with the discharge port on one side thereof. do.

Accordingly, the air supplied from the indoor air conditioning unit 100 to the indoor ejectors 410, 420, and 430 is discharged to the room through the indoor discharge unit 417b.

Here, the indoor suction part 417a is preferably formed in a grill shape, and the indoor discharge part 417b is preferably provided with a damper 417c for selectively opening the indoor discharge part 417b. As described above, the damper 417c for selectively opening the indoor discharge part 417b is called a second damper.

The second damper 417c is rotatably installed on the lower panel 417. The second damper 417c adjusts the opening degree of the indoor discharge part 417b while rotating at a desired angle by a step motor (not shown) installed at one side of the lower panel.

Accordingly, the opening angle of the second damper 417c may be adjusted within a range of a predetermined angle. Here, the second damper 417c is controlled at an appropriate angle according to the flow rate of the air discharged through the indoor discharge unit 417b.

More specifically, when a large flow rate of air to be supplied to the room through the indoor discharge part 417b is required, the second damper 417c is completely opened. When the environment (temperature, pollution degree, etc.) of the room where the indoor ejectors 410, 420, 430 are installed reaches a predetermined target value, the second damper 417c is opened only at an angle such that the target value is maintained.

In other words, the second damper 417c is opened or closed at various angles gradually or stepwise within a range of predetermined angles according to the air volume of the air discharged through the indoor discharge unit 417b.

Accordingly, it is possible to prevent a sudden change in operating load that occurs when the second damper 417c is operated only in two steps that are completely opened or completely closed.

In addition, a cover 417d for detachment of the second filter 414b is provided at a central portion of the lower panel 417 positioned below the second filter 414b to open and close the second filter 414b. 414b) is opened by the user upon cleaning or replacement. Here, the cover 417d is opened and closed by rotating about one end.

Although not shown, the purification suction port 411c or the indoor suction part 417a may also be configured to be opened and closed by a separate damper or louver.

Two or more indoor ejectors 410, 420, and 430 having the above configuration may be installed in one room or living room. That is, it is preferable that an indoor discharge unit 400 having two or more indoor ejectors 410, 420, 430 is provided in a place such as a large living room, and an indoor discharge unit composed of one indoor ejector is provided in a narrow room. It may be provided.

Here, two or more indoor ejectors 410, 420, and 430 installed together in one room or living room are preferably configured to be operated in the same operation mode and simultaneously ON / OFF, but are not limited thereto.

Referring to the operation of the indoor discharge unit 400 having the above configuration is as follows.

First, when the indoor discharge unit 400 is operated in a cooling or heating mode, the damper 416 provided at the suction port 411a opens the suction port 411a and the second damper 417c is indoors. The discharge part 417b is opened.

As the blower fans 421a are driven, air cooled or heated through the inlet 411a is sucked from the indoor air conditioning unit 100.

Accordingly, the air introduced into the housing 411 is purified by the first filter 414 via the main air supply passage 413a and the bypass passage 413b, and then discharges the air from the outlet 411b. It is supplied to the room through the indoor discharge part 417b in communication.

On the other hand, when the indoor suction part 417a and the purifying suction port 411c are always open as in the present embodiment, the air in the room is sucked by the blowing fan 421a and the indoor suction part 417a is applied. And the indoor discharge part 417b which is purified by the second filter 414b while passing through the purification suction port 411c and then communicates with the discharge port 411b together with the air supplied from the indoor air conditioning unit 100. Through the room).

The operation of the indoor discharge unit 400 as described above is the same even when the indoor discharge unit is operated in the ventilation mode or the interlocking mode.

Next, when the indoor discharge unit 400 is operated only in a clean mode for purifying indoor air, the damper 416 provided at the suction port 411a shields the suction port 411a and the second damper 417c. ) Opens the indoor discharge part 417b.

In addition, as the blowing fans 421a are driven, indoor air passes through the indoor suction part 417a and the purifying suction port 411c by the suction force of the blowing fan 421a and the second filter 414b. After being purified by), it is supplied to the room through the indoor discharge unit 417b communicating with the discharge port.

Accordingly, the indoor air is purified while circulating, so that the indoor environment can be maintained comfortably.

The clean mode of the indoor discharge unit 400 may be set to be automatically performed when the indoor air pollution detected by the user's input or by the turbidity sensor is higher than a predetermined value.

On the other hand, the first duct 310 and the first air supply (not shown) to which the indoor ejectors (410, 420, 430) are connected, respectively, the indoor air conditioning in the indoor full ventilation mode for ventilation of the entire room The outdoor air supplied from the unit 100 includes second air supply mechanisms 311a, 311b, 311c, and 311d for uniformly supplying the entire room.

Here, the second air supply mechanisms 311a, 311b, 311c, and 311d may be installed in a room in which the indoor ejectors 400 are installed, but in a room where the indoor ejector units 400 are not installed. It is preferable to install.

Of course, in a case where the space of the room where the indoor ejectors 410, 420, 430 is installed is large, the room of the indoor ejectors 410, 420, 430 may be installed so that the ventilation of the room can be performed quickly. One of the second air supply mechanisms 311a, 311b, 311c, and 311d may be installed.

The second air supply mechanisms 311a, 311b, 311c, and 311d are preferably configured to be selectively opened by separate opening and closing devices, respectively.

Referring to FIG. 8, the opening and closing device is provided one by one for each of the second air supply mechanisms 311a, 311b, 311c, and 311d to open each of the second air supply mechanisms 311a, 311b, 311c, and 311d. ), And the air supply damper 312 is opened in the entire ventilation mode or a part of the ventilation mode of the room.

Here, the air supply damper 312 is rotatably provided in each of the second air supply mechanism (311a, 311b, 311c, 311d) is opened by the drive of a separate motor, the indoor discharger (410, 420, 430) It is preferable that the opening angle is adjustable so as to be adjustable within a range of a predetermined angle, as in the second damper 417c.

The second duct 320 includes a plurality of exhaust ports 321a and 321b that are evenly distributed throughout the room, and each of the exhaust ports 321a and 321b includes an exhaust damper 322. The exhaust damper 322 selectively opens the corresponding exhaust ports 321a and 321b.

In the present embodiment, the exhaust ports 321a and 321b are provided in a room and a living room in which the indoor discharge units 400 are installed. In addition, each of the exhaust ports 321a and 321b may be configured to be opened and closed independently.

In the air conditioning system according to the present invention configured as described above, the indoor control unit (521, 522, 523) and the indoor air conditioning unit 100, the indoor discharge unit 400 controls the indoor discharge unit 400 It is configured to further include a central control unit 510 to control the entire system.

Referring to FIG. 9, the central control unit 510 controls the entire system through communication with a plurality of indoor control units 521, 522, and 523 that transmit operation information of the indoor discharge units 400.

The indoor controllers 521, 522, and 523 are preferably provided for each of the indoor ejectors 410, 420, and 430, and the second dampers 417c of the indoor ejectors 410, 420, and 430 are provided. The opening angle according to whether the door is opened or closed and the air flow rate is controlled by the indoor controllers 521, 522, and 523 provided in the indoor ejectors 410, 420, and 430, respectively.

Of course, the other components of the first damper 416 and the indoor ejectors 410, 420, and 430 may also be controlled by an indoor control unit that controls the corresponding indoor ejector.

Therefore, the driving of each of the indoor discharge units 400 is controlled by each of the indoor controllers 521, 522, and 523. And, each of the indoor discharge unit 400 is configured to be ON / OFF independently.

In addition, the air supply dampers 312 are grouped into one or several units and controlled by one indoor control unit for each group.

In other words, only one air supply damper is controlled by one indoor control unit, two air supply dampers are controlled by another indoor control unit, and three or more air supply dampers are controlled by another indoor control unit. The system can be built in such a way as to be controlled.

To this end, a control line 313 is connected between the indoor control units 521, 522, 523 and at least the air supply dampers 312 grouped to be controlled by the indoor control units 521, 522, and 523.

In addition, the exhaust dampers 322 may also receive a control signal by a separate control line 323 in the same manner as the air supply damper 312.

The central control unit 510 controls the entire system in consideration of the overall operation information of the indoor discharge units 400 through 1: 1 communication with the indoor control units 521, 522, and 523.

In other words, the central control unit 510 is configured to drive the indoor air conditioning unit 100 by integrating the entire operation information of the indoor discharge units 400 transmitted from the indoor control units 521, 522, and 523. do.

For example, when a driving signal is input from the indoor controllers 521, 522, and 523, the central controller 510 determines the output of the compressor 203 according to a driving condition desired by the user and controls the indoor air conditioning. The number of revolutions of the blowers 140 and 150 of the unit and the blower fans 421a of the indoor discharge unit is determined to directly or indirectly (if the outdoor unit is provided with a separate outdoor control unit) the compressor 203. At the same time as the control, and outputs a control signal of each of the indoor ejectors to the indoor control unit (521, 522, 523).

The opening angle of each of the second dampers 417c is adjusted at an appropriate angle according to the rotational speed of the blower fan 421a of each of the indoor ejectors, that is, the flow rate of the air passing through the indoor discharge unit. .

On the other hand, when an operation command of the full ventilation mode is input to any one of the indoor control units 521, 522, 523, at least one air supply damper 312 of the group controlled by the indoor control unit in which the full ventilation mode is input ) Is opened. Of course, the second damper of the indoor ejector controlled by the indoor control unit in which the entire ventilation mode is input is also simultaneously opened.

In addition, the other indoor control unit receives the operation command of the entire ventilation mode from the central control unit 510 and opens the air supply damper of the group controlled by it.

In addition, when an operation command of the partial ventilation mode for ventilating a part of the room is input to any one of the indoor controllers 521, 522, and 523, the partial ventilation mode is controlled by the indoor controller to which the partial ventilation mode is input. At least one of the at least one air supply damper 312 and the second damper 417c of the indoor discharger is opened.

On the other hand, the central control unit 510 and the indoor control unit 521, 522, 523 may be configured to communicate by wireless or wired, in order to simplify the configuration and simplify the configuration of the air conditioning system, the central control unit 510 And each of the indoor control unit (521, 522, 523) is preferably provided with a terminal for wireless communication.

In addition to the embodiments described above, the fact that the present invention can be embodied in other specific forms without departing from the spirit and scope will be apparent to those skilled in the art.

Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above detailed description, but may vary within the scope of the appended claims and their equivalents.

The indoor air conditioning unit of the air conditioner according to the present invention having the above configuration has the following effects.

First, in the air conditioning system according to the present invention, the ventilation of the whole or part of the room can be selectively performed, so that the environment of the room can be maintained more quietly.

Second, in the air conditioning system according to the present invention, at least one air supply damper that is opened and closed for all or part of ventilation is grouped and controlled by one indoor control unit, so that each air supply damper is separate for each air supply damper. No control board is required, which simplifies configuration and allows the entire system to be efficiently controlled.

Third, in the air conditioning system according to the present invention, the opening angle of the second damper for opening / closing the indoor discharge part of the indoor discharger and / or the air supply damper for opening / closing the second air supply mechanism of the first damper, Since it can be adjusted within a range of a predetermined angle according to the flow rate, it is possible to prevent a sudden change in operating load due to the air flow rate change.

Fourth, in the air conditioning system according to the present invention, since at least one air supply damper that is opened and closed for all or part of ventilation is grouped and distributedly controlled by a plurality of indoor controllers, an overload for system control is prevented.

Claims (11)

An indoor air conditioning unit having a heat exchanger for controlling the temperature of the air supplied to the room and a cabinet accommodating the heat exchanger, and sucking the outdoor air and supplying the outdoor air to the room in a total ventilation mode for ventilation of the entire room; And An inlet connected to a cabinet of the indoor air conditioning unit so as to guide the air discharged from the indoor air conditioning unit to a room, and a duct for guiding outdoor air supplied by the indoor air conditioning unit to the room in the total ventilation mode; And A plurality of indoor discharging units connected to the duct and distributed in various rooms of the room, selectively discharging air supplied through the duct to the room, and purifying the air discharged into the room; And And an indoor control unit for controlling the indoor discharge units, respectively. The method of claim 1, And an central control unit provided in the indoor air conditioning unit to control the entire system. The method of claim 2, Each of the indoor discharge units; It has an indoor discharge unit for discharging the air supplied from the indoor air conditioning unit into the room, a damper for selectively opening the indoor discharge unit, and a filter for purifying the air discharged into the room, is installed on the ceiling or wall of the room An air conditioning system comprising at least one indoor ejector. The method of claim 3, wherein The damper is controlled by the indoor control unit, the air conditioning system that can adjust the opening angle within a range of a predetermined angle. The method of claim 4, wherein The indoor control unit; And the opening angle of the damper is maintained so that the target value is maintained when the environment of the room in which the indoor ejector is disposed reaches a predetermined target value. The method of claim 3, wherein The duct; First class mechanisms to which the indoor ejectors are respectively connected; Optionally opened by the switchgear, and including second class mechanisms for discharging outdoor air to a room where the indoor air dischargers are not installed so that outdoor air is evenly supplied to the entire room in the entire ventilation mode. Air conditioning system. The method of claim 6, The opening and closing devices include air supply dampers rotatably provided by the second air supply and controlled by the indoor controllers; And the second air supply mechanisms are all opened by the air supply dampers in the total ventilation mode. The method of claim 7, wherein The air supply dampers are grouped and controlled by one indoor control unit for each group. The method of claim 8, When an operation command of the entire ventilation mode is input to any one of the indoor controllers, an air supply damper of a group controlled by the indoor controller in which the entire ventilation mode is input is operated and opened; The other indoor control unit receives the operation command of the entire ventilation mode from the central control unit and opens the air supply damper of the group controlled by it. The method of claim 8, When an operation command of a partial ventilation mode for ventilating a part of the room is input to any one of the indoor controllers, the air supply damper and the damper of the indoor discharger controlled by the indoor control unit in which the partial ventilation mode is input At least one of the air conditioning system is operated to open. The method of claim 1, The indoor air conditioning unit; The air conditioning system accommodated in the cabinet, the heat exchanger is provided on one side of the heat exchanger further comprises a heat exchanger for recovering the heat of the air discharged from the indoor to the outdoor for indoor ventilation.

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