KR20080051976A - Indoor unit for air conditioner - Google Patents

Abstract

An indoor unit for an air conditioner is provided to enhance user convenience by independently operating a purifying unit and a heat exchanging unit that are selectively separated from each other. An indoor unit for an air conditioner comprises a blowing unit(400), a purifying unit(200), and a heat exchanging unit(300). The blowing unit produces a current of air to suck and discharge indoor air. The purifying unit sucks indoor air to purify the sucked air. The heat exchanging unit allows indoor air to transfer heat using refrigerant. The blowing unit includes a purification-blowing member(420) installed in the purifying unit and a heat exchange-blowing member(440) installed in the heat exchanging unit.

Description

Indoor unit of air conditioner {Indoor unit for air conditioner}

1 is a perspective view showing the appearance of the indoor unit of the air conditioner according to the prior art.

Figure 2 is a perspective view showing the external configuration of the air conditioner indoor unit employing a preferred embodiment of the present invention.

Figure 3 is a longitudinal sectional view showing the internal configuration of the indoor unit of the air conditioner employing a preferred embodiment of the present invention.

Figure 4 is a longitudinal cross-sectional view showing a state in which the purifying unit and the heat exchange unit is a main configuration of the indoor unit of the air conditioner employing a preferred embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100. Main Unit 110. Upper Frame

112. Upper Front Frame 112'.Septic Intake

114. Upper Rear Frame 116. Purification Top Frame

116 '. Purified discharge outlet 116 ". Purified vane

118. Purification Control Unit 118'.Septic Display

118 ". Purification Button 119. Purification Base Frame

119'.Fixed 120. Underframe

122. Lower front frame 124. Lower rear frame

126. Heat Exchanger Upper Frame 128. Seating Groove

129. Heat exchange outlet 129 '. Heat exchange vane

129 ". Heat Exchanger 130. Terminals

140.Contact 150. Heat Exchanger

152. Heat exchange button 154. Heat exchange display

200. Purification unit 220. Purification control unit

240. Filter assembly 242. Pre-filter

244. HEPA Filter 246. Nano Filter

300. Heat exchanger unit 320. Heat exchanger control unit

340. Indoor heat exchanger 342. Drain pan

342'.Collection space 344. Step

346. Dust collecting filter 400. Blowing unit

420. Purification means 422. Purification fan motor

424. Purification fan 426. Purification fan housing

440. Heat exchange and blowing means 442. Heat exchange fan motor

444. Heat Exchange Fan 446. Heat Exchange Fan Housing

The present invention relates to an indoor unit of an air conditioner, and more particularly, a purifying unit for purifying indoor air and a heat exchange unit for heat-exchanging indoor air are selectively separated, and the separated purifying unit and the heat exchange unit can operate independently. It relates to the indoor unit of the harmony unit.

An air conditioner is a device for optimally harmonizing indoor air, and is installed in a room or wall of a room such as a vehicle, office, or home to cool / heat the room and perform a series of compression, condensation, expansion, and evaporation. Will be configured.

In addition, an air conditioner is equipped with a condenser and a compressor, and is mainly installed outdoors (sometimes called 'outside' or 'heating side'), and an indoor unit ('indoor' or mainly installed indoors with an evaporator). Also referred to as 'heat absorbing side' is divided into a separate type of air conditioner is installed separately, and an integrated air conditioner is installed integrally with the outdoor unit and the indoor unit.

In addition to cooling / heating, the air conditioner has various additional functions such as the air purifying function of sucking and filtering contaminated air and re-cleaning the air into the room, and the dehumidifying function of regenerating the humid air into dry and dry air. A feature is being added.

Hereinafter, a configuration of an indoor unit of an air conditioner will be described with reference to FIG. 1.

As shown in the figure, the indoor unit of the air conditioner is formed by the main body 10 in which a plurality of parts are built in the inner space while forming the inner space.

In the internal space of the main body 10, a plurality of parts are built in such a manner that the air of the space for air conditioning is sucked into the internal space to be harmonized and then discharged to the outside of the main body 10.

That is, although not shown, the main body 10 has a blowing unit for forcing and discharging the indoor air, a purifying unit for purifying the indoor air sucked by the blowing unit, and a heat exchange unit for heat-exchanging the purified air with the refrigerant. Etc. are provided.

And, the left side / the right side of the main body 10 is provided with a side suction port 12. The side suction opening 12 is configured to guide the indoor air to be sucked into the main body 10 by the suction force generated by the blowing unit.

The discharge port 14 is formed on the main body 10. The discharge port 14 guides the indoor air sucked through the side suction port 12 to discharge the indoor space after passing through the purification unit and the heat exchange unit, and the front discharge port formed on the upper front surface of the main body 10. 14 ', and the side discharge port 14 "formed in the upper left / right side of the said main body 14, and is comprised.

Therefore, the indoor air sucked from the lower left / right side of the main body 10 is purged and heat exchanged to the front and left / right sides of the main body 10 through the front discharge port 14 'and the side discharge port 14 ". The air is discharged.

In addition, the louver 15 and the vane 16 are installed inside the front discharge port 14 ′ to change the flow direction up / down or left / right by interfering with the air discharged to the front.

A sliding door 17 is provided at the front of the front discharge port 14 'to selectively shield the front discharge port 14' by sliding up and down, and an operation unit 18 is provided below the sliding door 17. It is provided. The operation unit 18 is provided with a display window 18 'displaying the operating state of the main body 10, and a plurality of operations used when the user wants to operate the main body 10 on the right side of the display window 18'. A button 18 "is provided.

However, in the prior art configured as described above, there are the following problems.

The heat exchange unit is selectively used only when the indoor unit is operated by heating or cooling according to a change of season. In addition, the heat exchange unit is configured to maintain a state always embedded in the body (10).

Therefore, since the heat exchange unit is always installed in the room as shown in FIG. 1 even in unnecessary seasons, there is a problem of lowering the space efficiency of the room.

In addition, when the indoor unit is operated in the purification mode using only the purifying unit and the blowing unit, indoor air introduced into the main body 10 is discharged after passing through the heat exchange unit.

Therefore, the air blown by the blower unit is unnecessarily passed through the various parts, there is a problem that the discharge efficiency is lowered and the air conditioning efficiency is lowered.

In addition, there is a problem that the energy consumption efficiency of the indoor unit is lowered as the air discharge efficiency and air conditioning efficiency of the indoor unit is lowered.

SUMMARY OF THE INVENTION An object of the present invention is to provide an indoor unit of an air conditioner configured to selectively separate a purifying unit for purifying indoor air and a heat exchange unit for heat-exchanging indoor air.

Another object of the present invention is to provide an indoor unit of an air conditioner that can be operated independently in a separated state by being provided with blowing means inside the heat exchange unit and the purification unit, respectively.

The indoor unit of the air conditioner according to the present invention for achieving the above object, the air blowing unit for sucking and discharging the indoor air, the purifying unit for sucking and purifying the indoor air, the indoor air refrigerant And a heat exchange unit configured to exchange heat in the furnace, wherein the blower unit is provided in the purifying unit to purge and discharge the indoor air, and is installed in the heat exchange unit to absorb and discharge the indoor air. It characterized in that it comprises a heat exchange blower means for forcing.

The heat exchange unit and the purifying unit are selectively separated.

The purifying unit is characterized in that coupled to the upper side of the heat exchange unit.

One side of the heat exchange unit and the purification unit, characterized in that provided with a purification control unit and a heat exchange control unit for controlling the operation of the purification unit and the heat exchange unit, respectively.

One side of the heat exchange unit and the purifying unit, the purifying unit and the heat exchange unit is characterized in that the terminal and the contact which is in contact with each other so that the purifying control unit and the heat exchange control unit is electrically connected.

One side of the heat exchange unit and the purification unit, is formed in a shape corresponding to each other, and is formed, characterized in that the fixing portion and the mounting groove for fixing the heat exchange unit to the purification unit is provided.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the air conditioner indoor unit.

With reference to the accompanying drawings will be described in detail the configuration of the air conditioner indoor unit.

Figure 2 is a perspective view showing the external configuration of the air conditioner indoor unit employing a preferred embodiment of the present invention, Figure 3 is a longitudinal cross-sectional view showing the internal configuration of an air conditioner indoor unit employing a preferred embodiment of the present invention. It is.

As shown in these figures, the indoor unit is erected upright on the floor of the indoor space and is formed by the main body 100 having an approximately rectangular parallelepiped shape, most of the appearance is formed. The main body 100 is composed of an upper frame 110 that largely forms an upper skeleton, a lower frame 120 that forms a lower skeleton, and the like.

That is, the upper frame 110 is coupled to each other the upper front frame 112 and the front rear frame 114 opened in the rear, the appearance of the purifying unit 200 for sucking and purifying the indoor air. The lower frame 120 has a lower front frame 122 having a rear opening and a lower rear frame 124 having a front opening coupled to each other, such that the heat exchange unit 300 and the air heat exchange the indoor air with the refrigerant. It forms a part of the exterior of the purification unit 200 for purifying.

Detailed configuration of the heat exchange unit 300 and the purification unit 200 will be described below.

A purification upper frame (reference numeral 116 of FIG. 3) is provided at an upper end of the upper frame 110. The upper surface of the purification frame 116 is formed in a rectangular plate shape to form the upper surface of the purification unit 200 serves to shield the upper portion of the space formed in the upper frame (110).

The first part of the purification upper surface frame 116 is provided with a purge discharge port 116 ′ formed so that the interior of the purifying unit 200 communicates with the room. The purge discharge port 116 ′ is for guiding the purified indoor air to be discharged back to the indoor space while passing through the purification unit 200, and has a plurality of purge vanes 116 ″ inside the purge discharge port 116 ′. This is common.

In addition, a purification suction opening 112 ′ is provided at the front left / right side of the upper frame 110. The purge suction hole 112 ′ is formed in a vertically long rectangular shape at the left / right side of the upper front frame 112, and guides the indoor air to be introduced into the purifying unit 200.

Therefore, the indoor air introduced into the purification suction port 112 'may be purged inside the purification unit 200 and then discharged back into the indoor space through the purification discharge port 116'.

A purifying manipulation unit 118 is provided below the front surface of the upper front frame 112. The purification operation unit 118 allows the user to operate the operation of the purification unit 200, the upper side is provided with a purification display 118 'for displaying the operation state of the purification unit 200, the purification A plurality of purge buttons 118 "are provided below the display 118 '.

Accordingly, by selectively pressing the purifying button 118 ″, the purifying unit 200 can be operated, and by checking the purifying display 118 ′, the amount of air generated by the purifying unit 200 and the pollution degree of the indoor air are known. It becomes possible.

The lower end of the upper frame 110 is provided with a purification base frame 119. The purification base frame 119 is a place where a plurality of components installed in the purification unit 200 is seated, and is fixed to the edge of the upper frame 110 to support the load of the plurality of components.

The center portion of the lower surface of the purification base frame 119 is provided with a rectangular plate-shaped fixing portion 119 ′ protruding downward by a predetermined height. The fixing part 119 ′ allows the purification unit 200 to be inserted into and fixed to the upper portion of the heat exchange unit 300. The fixing unit 119 ′ has a cross-sectional shape corresponding to the mounting groove (reference numeral 128 of FIG. 3) to be described below. Have

Therefore, when the fixing part 119 ′ is inserted into the seating groove 128 and is molded, the purification unit 200 may purify the indoor air in a stacked state on the upper side of the heat exchange unit 300.

The terminal 130 is provided at the center of the lower surface of the fixing part 119 ′. The terminal 130 is configured to receive power from the heat exchange unit 300 in a state in which the purification unit 200 is seated on an upper side of the heat exchange unit 300, and the contact point (described in FIG. It is formed at a position corresponding to the reference numeral 140, and is configured to allow the fixing portion 119 ′ and the seating groove 128 to contact each other when mating.

In addition, the terminal 130 is configured to be connected to a separate power cord when the purification unit 200 is separated from the heat exchange unit 300. Therefore, when the purification unit 200 is to be separated from the heat exchange unit 300 and used in different spaces, power can be applied to the purification unit 200 by connecting a power cord to the terminal 130. .

The upper end of the lower frame 120 is provided with a heat exchange upper frame 126. The heat exchange upper frame 126 has a rectangular plate shape by shielding the opened upper portion of the lower frame 120, and simultaneously supports the load of the purification unit 200.

In addition, an upper center portion of the heat exchange upper surface frame 126 is recessed downward. That is, the upper surface of the heat exchange upper surface frame 126 is provided with a mounting groove 128 recessed in an area corresponding to the fixing portion 119 'so that the fixing portion 119' can be fitted.

The seating groove 128 serves to restrict the purification unit 200 from flowing in any direction except the upward direction when the purification unit 200 is stacked on the upper side of the heat exchange unit 300. .

In addition, the recessed groove 128 has a recessed depth formed slightly shallower than the height of the fixing part 119 '. Therefore, when the fixing part 119 'is inserted into the seating groove 128, the front part of the fixing part 119' and the upper part of the left and right surfaces are exposed to the outside to partially cover the exterior of the main body 100. To form.

The contact 140 is provided at the center of the upper surface of the seating groove 128. As described above, the contact 140 is in contact with the terminal 130 so that power can be applied to the purification unit 200, and is preferably formed at a position corresponding to the terminal 130.

The heat exchange discharge port 129 is provided at an upper portion of the lower front frame 122. The heat exchange discharge port 129 is configured to guide the heat-exchanged indoor air to be discharged back to the indoor space while passing through the heat exchange unit 300.

The heat exchange discharge port 129 is drilled in a long rectangular shape to the left / right so that the inside of the heat exchange unit 300 is in communication with the interior space, the inside of the heat exchange discharge port 129 rotates repeatedly in the up / down direction and discharged Heat exchange vanes 129 'forcing the air to be moved upward and downward and a plurality of heat exchanger louvers 129 " for forcibly moving the discharged air in the left and right directions by repeatedly rotating in the left and right directions are provided.

Therefore, the air discharged into the indoor space through the heat exchange discharge port 129 is in contact with the heat exchange vane 129 'and the heat exchanger louver 129 ", and the flow direction is interfered with, thus allowing even discharge to the corners of the room. .

The heat exchange operation unit 150 is provided at a lower side spaced apart from the heat exchange outlet 129. The heat exchange operation unit 150 is for the operation and check the state of the heat exchange unit 300, the operation of the heat exchange unit 300 largely carried out in accordance with the operation of the plurality of heat exchange button 152, the heat exchange button 152. It is configured to include a heat exchange display 154 indicating the state.

Therefore, a user presses one of the plurality of heat exchange buttons 152 corresponding to a desired operation, and the heat exchange display 154 displays an operation state of the heat exchange unit 300.

The heat exchange suction opening 160 is provided at the left / right front half of the lower front frame 122. The heat exchange suction opening 160 is configured to guide the indoor air to be introduced into the heat exchange unit 300.

The heat exchange suction opening 160 has a vertically long rectangular shape, and is formed in the inner direction from the outer surface of the lower front frame 122. Therefore, the internal space of the heat exchange unit 300 is in communication with the indoor space by the heat exchange suction opening (160).

Inside the heat exchange suction port 160, a suction plate 162 having a perforated shape is installed vertically and long, and a suction plate 164 having a square plate shape is provided inside the suction grill 162. . One end of the suction vane 164 is repeatedly rotated within a predetermined angle range by being connected to a vane motor (not shown) to receive rotational power from the vane motor (not shown).

Meanwhile, the indoor unit may be selectively separated from the purification unit 200 and the heat exchange unit 300, and the purification unit 200 may be coupled to and stacked on an upper side of the heat exchange unit 300.

In addition, a blowing unit 400 is provided inside the purification unit 200 and the heat exchange unit 300. The blowing unit 400 is to inhale and discharge the indoor air by forcing the flow of air, each one is provided in the purification unit 200 and the heat exchange unit 300.

That is, the blowing unit 400 is configured to include a purge blowing means 420 installed in the purifying unit 200 and a heat exchange blowing means 440 installed in the heat exchange unit 300.

Referring to Figure 3 will be described in detail the configuration of the purifying blowing means 420 and the heat exchange blowing means 440. First, referring to the configuration of the purifying blower 420, the purifying blower 420 is fixed to the inside of the purifying unit 200 and generates suction force in the right direction on the left side and discharges the sucked air in the upward direction. Generate the output.

To this end, the purifying blower means 420 is axially coupled to the purifying fan motor 422 and the purifying fan motor 422, which generate rotational power when large power is applied, when the purifying fan motor 422 is rotated. And a purification fan 424 interlocked with and configured to generate an air flow inside the purification unit 200, and a purification fan housing 426 for guiding a moving direction of air flowing by the purification fan 424. do.

The purification fan motor 422 is fixed to the right side is coupled to the inner right side of the upper rear frame 114, the purification motor shaft 422 'protruding to the left center of the purification fan motor 422 is the purification fan It is axially coupled with the center of 424. Therefore, when the purification fan motor 422 generates a rotational power, the rotational power is transmitted to the purification fan 424 to help the purification fan 424 to force the air flow.

In addition, the purifying fan 424 is provided to receive the rotational power from the purifying fan motor 422 to generate a suction force to the left center when rotating at a high speed and to discharge the sucked air in the direction of the outer peripheral surface.

The purification fan 424 is installed without interference in the purification fan housing 426. In addition, a purification orifice 426 ′ is punctured on the left side of the purification fan housing 426. The purifying orifice 426 ′ is to guide the air inside the purifying unit 200 to be introduced into the purifying fan housing 426 when the purifying fan 424 generates the suction force to the right. Is common.

In addition, the lower part of the purification fan housing 426 is shielded and rounded so that air can flow upward. An upper end of the purification fan housing 426 is formed to be opened and connected to the purification discharge port 116 ′.

Accordingly, the air flowing by the purification fan 424 flows upwardly through the opened opening of the purification fan housing 426 and is then discharged back into the room through the purification discharge port 116 ′.

The heat exchange blowing means 440 is fixed to the right side inside the heat exchange unit 300 and generates a suction force in the right direction on the left side. In addition, the air sucked into the heat exchange blowing means 440 is guided to flow upward.

To this end, the heat exchange blower means 440 is axially coupled to the heat exchange fan motor 442 and the heat exchange fan motor 442 that generate rotational power when large power is applied, and the heat exchange fan motor 442 is rotated. A heat exchange fan 444 interlocked with the heat exchange fan 444 for generating an air flow inside the heat exchange unit 300, and a heat exchange fan housing 446 guiding a movement direction of air flowing by the heat exchange fan 444 upwards. It is configured to include.

The heat exchange fan motor 442 is fixed to the right side is coupled to the inner left side of the lower rear frame 124, the heat exchange motor shaft 442 'protruding to the left center of the heat exchange fan motor 442 is the heat exchange It is axially coupled with the central portion of the fan 444. Therefore, when the heat exchange fan motor 442 generates a rotational power, the rotational power is transmitted to the heat exchange fan 444 to help the heat exchange fan 444 to force the air flow.

In addition, the heat exchange fan 444 receives rotational power from the heat exchange fan motor 442 to generate suction power to the left center when rotating at a high speed, and discharges sucked air toward the outer circumferential surface.

The heat exchange fan 444 is installed without interference in the heat exchange fan housing 446. In addition, a heat exchange orifice 446 ′ is punctured on the left side of the heat exchange fan housing 446. The heat exchange orifice 446 ′ allows the inside of the heat exchange unit 300 to communicate with the inside of the heat exchange fan housing 446 so that the suction force generated by the heat exchange fan 444 may be transmitted to the heat exchange suction opening 160.

In addition, the lower portion of the heat exchange fan housing 446 is shielded so that air does not leak, and the air flowing downward by the heat exchange fan 444 is rounded to be guided upward. The upper end of the purification fan housing 426 is opened to be connected to the heat exchange discharge port 129.

Therefore, the air flowing by the heat exchange fan 444 flows upwardly through the opened direction of the heat exchange fan housing 446 and is then discharged back to the indoor space through the heat exchange discharge port 129.

On the other hand, one side of the purification unit 200 and the heat exchange unit 300, the purification control unit 220 and the heat exchange control unit 320 for controlling the operation of the purification unit 200 and the heat exchange unit 300 is provided with each. do.

That is, the purification control unit 220 is fixedly installed on the inner ceiling of the purification unit 200, and the heat exchange control unit 320 is installed on the internal ceiling of the heat exchange unit 300.

The purification control unit 220 and the heat exchange control unit 320 has a plurality of electronic components therein, a printed circuit board for controlling the operation of the purification unit 200 and the heat exchange unit 300 is generally embedded.

The purification unit 200 and the heat exchange unit 300 are provided with components for performing different roles. That is, the filter assembly 240 for filtering the foreign matter in the air is provided in the purification unit 200, the inside of the heat exchange unit 300 is provided with an indoor heat exchanger 340 for heat-exchanging the air with the refrigerant. .

The filter assembly 240 is for purifying the air sucked through the purification suction port 112 ′, and a prefilter 242 is provided on the left side of the filter assembly 240. The prefilter 242 is the first to filter foreign matter in the air introduced into the purification unit 200, and to filter out a relatively large dust and foreign matter.

A hepa filter 244 is provided on the right side of the prefilter 242. The HEPA filter 244 purifies relatively fine dust and foreign matter that are not purified by the prefilter 242. The right side of the HEPA filter 244 is provided with a nano filter 246. The nano filter 246 purifies the fine bacteria and odor particles contained in the air.

Therefore, the filter assembly 240 purifies the foreign substances introduced into the heat exchange unit 300 through the heat exchange suction port 160 after passing through the prefilter 242, the HEPA filter 244, and the nano filter 246. You can do it.

Meanwhile, an indoor heat exchanger 340 is provided inside the heat exchange unit 300. The indoor heat exchanger 340 allows the refrigerant, which is a working fluid, to flow by bending the hollow tube a plurality of times, and has a large contact area with the indoor air so that the refrigerant and the indoor air can exchange heat with each other.

That is, the indoor heat exchanger 340 is installed to have an upward slope toward the right side. Therefore, the air forced upward flow by the purifying blower 420 is in contact with the outer surface of the indoor heat exchanger 340 is heat-exchanged with the refrigerant.

A drain pan 342 is provided below the indoor heat exchanger 340. The drain pan 342 has an upper surface recessed in a downward direction to form a collecting space 342 ', which is an indoor heat exchanger when the indoor heat exchanger 340 exchanges indoor air with refrigerant. It is a configuration for collecting condensate generated on the outer surface of the machine 340.

Although not shown, a drain hose or the like is connected to an inner bottom surface of the drain pan 342 so that the condensed water collected in the catchment space 342 'may be drained to the outside of the indoor unit, and the drain hose may be a catchment space 342'. ) Is common.

A stepped portion 344 is formed below the drain pan 342. The stepped portion 344 is recessed inward from the center of the lower frame 120 to form a part of the exterior of the indoor unit, and the recessed inner surface of the stepped portion 344 is formed of the fixing portion 119 ′. Located on the same plane as the outer surface.

The stepped portion 344 also supports the drain pan 342 at the same time. That is, the lower surface of the drain pan 342 is fixed to the upper surface of the stepped portion 344 so that the load of the drain pan 342 can be supported upward.

More precisely than the lower side of the step portion 344, the dust collecting filter 346 is provided on the left side of the heat exchange blowing means 440. The dust collecting filter 346 is used to filter foreign matter from the air flowing into the heat exchange blower 440, and prevents foreign matter from being loaded into the heat exchange blower 440.

Therefore, the right side surface of the dust collecting filter 346 is closely installed to completely shield the heat exchange orifice 446'1 so that the air not purified by the dust collecting filter 346 does not flow into the heat exchange blowing means 440. It is preferable to.

Hereinafter, with reference to Figure 4 attached to the operation of the indoor unit of the air conditioner configured as described above operating in the cooling mode in the summer. Figure 4 is a longitudinal cross-sectional view showing a state in which the purifying unit 200 and the heat exchange unit 300, which is a main component of the indoor unit of the air conditioner employing a preferred embodiment of the present invention is separated.

At this time, the fixing part 119 ′ is inserted into the seating groove 128 so that the purification unit 200 is fixed to the upper side of the heat exchange unit 300, and the terminal 130 and the contact 140 contact each other. The purification unit 200 is in a state of receiving power from the heat exchange unit 300.

First, the user applies external power to the inside of the air conditioner in order to use the air conditioner. After the external power is applied to the indoor unit of the air conditioner, the air conditioner is operated by using the heat exchange button 152.

At this time, the heat exchange fan motor 442 generates a rotational power to be provided to the heat exchange fan 444, the heat exchange fan 444 provided with the rotational power is to force the air flow to generate a suction force in the right direction. .

This suction force is transmitted to the heat exchange suction port 160 to allow indoor air to flow into the heat exchange unit 300. The indoor air sucked through the heat exchange suction hole 160 filters foreign matter while passing through the dust collecting filter 346, and the purified air flows into the heat exchange fan 444 through the heat exchange orifice 446 '. It is then forced to the outer circumferential surface direction.

The air forced by the heat exchange fan 444 is guided upward by the heat exchange fan housing 446, and is then heat exchanged by the refrigerant while contacting the outer surface of the indoor heat exchanger 340.

The heat exchanged air is discharged back into the indoor space through the heat exchange discharge port 129 to cool the air.

On the other hand, when the user wants to use the purification unit 200 which is supplied with power from the heat exchange unit 300 through the contact 140, the user operates the purification button 118 ". 422 generates a rotational power to be delivered to the purification fan 424, the purification fan 424 received the rotational power to generate a suction force from the left side to the center.

The suction force generated in this way is transmitted to the purification suction port 112 'so that indoor air is introduced into the purification unit 200 through the purification suction port 112'.

The indoor air introduced into the purification unit 200 passes through the prefilter 242, the hepa filter 244, and the nanofilter 246 in order, and is filtered from a relatively large foreign material to a fine foreign material.

Thereafter, the purified air is introduced through the purification orifice 426 ′ and is forced toward the outer circumferential surface of the purification fan 424 and then guided upward by the purification fan housing 426.

Then, the purified air is discharged to the indoor space through the purge discharge port 116 'to purify the indoor air.

On the other hand, since the purification unit 200 and the heat exchange unit 300 is configured to be separated from each other as described above, by lifting the purification unit 200 upward as shown in Figure 4 to separate from the heat exchange unit 300 It may work in different spaces.

In this case, since the terminal 130 and the contact 140 are separated from each other and the purification unit 200 is cut off from the power supply, it may be apparent that a separate power cord may be connected to the terminal 130.

The scope of the present invention is not limited to the above embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

In the indoor unit of the air conditioner according to the present invention described in detail as described above, the purifying unit for purifying the indoor air and the heat exchange unit for heat-exchanging the indoor air are configured to be selectively separated.

Therefore, the usability of the indoor unit is improved and the air conditioning efficiency is maximized.

In addition, since the unused unit can be stored in a separate place, there is an advantage that the utilization of the indoor space is increased.

Claims (6)

A blowing unit for sucking and discharging indoor air by flowing air; A purifying unit for sucking and purifying indoor air; It has a configuration including a heat exchange unit to allow the indoor air heat exchange with the refrigerant, The blowing unit, Purification and blowing means installed in the purification unit for forcing the intake / discharge of indoor air, The indoor unit of the air conditioner is installed in the heat exchange unit and comprises a heat exchange blowing means for forcing the intake / discharge of indoor air. The indoor unit of an air conditioner according to claim 1, wherein the purifying unit is coupled to an upper side of the heat exchange unit. The indoor unit of an air conditioner according to claim 2, wherein the heat exchange unit and the purification unit are selectively separated. According to claim 1, wherein the heat exchange unit and the purification unit inside, The indoor unit of the air conditioner, characterized in that each of the purifying control unit and the heat exchange control unit for controlling the operation of the purifying unit and the heat exchange unit. According to claim 1, One side of the heat exchange unit and the purification unit, An indoor unit of an air conditioner, wherein the purifying unit and the heat exchange unit are in contact with each other so that the terminal and the contact are respectively connected to the purification control unit and the heat exchange control unit. According to claim 4 or 5, One side of the heat exchange unit and the purification unit, Is formed in a shape corresponding to each other, the indoor unit of the air conditioner, characterized in that the heat exchange unit is provided with a fixing portion and a seating groove to be fixed to the purification unit.

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