KR20070077842A - Indoor unit of air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner is provided to selectively shield the front of an external case in both directions by installing a front door to rotate forwardly at a right end or a left end. An indoor unit of an air conditioner includes an external case(100), a front door, a front frame(200), an external frame(450), an external hinge unit(460), an internal frame(440), and an internal hinge unit. The external case has an internal space. The front door selectively shields the front of the external case. The front frame is installed at the rear of the front door, and forms the front part of the external case. The external frame forms the external circumference of the front door. The external hinge unit is coupled at the front frame and the external frame, and is coupled to make the front door rotate. The internal frame is mounted along the inner surface of the external frame, and supports the front door. The internal hinge unit is coupled at the external frame and the internal frame, and is coupled to make the front door rotate to the other direction.

Description

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

1 is a perspective view showing the appearance of a conventional indoor air conditioner indoor unit.

Figure 2 is an exploded perspective view showing a state in which the front door of the conventional indoor air conditioner indoor unit is open.

Figure 3 is a perspective view showing the appearance of the air conditioner indoor unit employing a preferred embodiment of the present invention.

Figure 4 is an exploded perspective view showing the internal configuration of the indoor unit of the air conditioner employing a preferred embodiment according to the present invention.

5 is an exploded perspective view showing a state in which the front door of the indoor unit of the air conditioner to which the preferred embodiment according to the present invention is adopted is removed.

Figure 6 is an enlarged view showing the hinge of the main configuration of the indoor unit of the air conditioner employing a preferred embodiment according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Outer case 200. Front frame

202. Front cover 204. Cover seating groove

220. Side discharge outlet 222. Left discharge outlet

222 '. Left discharge vane 224. Right discharge outlet

224 '. Right discharge vane 240. Top discharge outlet

242. Top discharge vane 260. Left side

262. Left frame 264. Left suction grill

266. Left suction vane 268. Left filter

280. Right side part 282. Right suction port

284. Right frame 286. Right suction vane

288. Right filter 300. Rear frame

310. Top panel 320. Indoor heat exchanger

330. Drain section 340. Blower section

342. Blowing fan 344. Fan housing

346. Dust collector 400. Front door

410. Control panel 412. Display

414. Operation Buttons 420. Rear Frame of Door

430. Windshield 440. Inner Frame

442. Inside left beam 444. Inside right beam

446. Inner upper beam 446 '. Inner projection seat

448. Inner lower beam 450. Outer frame

452. Outer Left Beam 454. Outer Right Beam

456. Outer upper beam 456 '. Inner Hinge Receiving Groove

458. Outer lower beam 460. Outer hinge

462. Fixed piece 464. Outer hinge protrusion

466. Screw hole 500. Base frame

520. Front suction port 540. Lower filter part

542. Lower surface prefilter 544. Lower surface HEPA filter

546. Bottom Nano Filter

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of an air conditioner having a front door openable in both directions.

In general, the air conditioner is a device for harmonizing the air of the space for air conditioning in the most optimal state according to the purpose, the demand is increasing to create a more comfortable and comfortable living environment, such as a vehicle, office or home It is an air-conditioning and heating device installed in a space or wall of a room, and is a device that constitutes a series of refrigeration cycles consisting of compression, condensation, expansion, and evaporation.

In addition, the air conditioner is equipped with a condenser and a compressor, an outdoor unit (also called 'outside' or 'heat sink') mainly installed outdoors, and an indoor unit ('indoor') installed mainly indoors with an evaporator Or "endothermic 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 air conditioning and heating, air conditioners have recently been equipped with various air purification functions such as suctioning and filtering indoor polluted air and re-cleaning air into the room, and dehumidifying function of re-injecting humid air into dry and dry air. Additional features are being added.

Hereinafter, the indoor unit provided in the separate type air conditioner will be described with reference to the drawings.

Figure 1 is a perspective view showing the appearance of the air conditioner indoor unit according to the prior art, Figure 2 is a perspective view showing an open state of the front of the air conditioner indoor unit according to the prior art.

First, referring to the drawing of the air conditioner indoor unit with reference to the drawing shown in FIG. 1, the indoor unit provided in the separate air conditioner is formed by an outer case 10 in which a plurality of parts are built in the inner space while forming an inner space. The appearance is formed.

In the inner space of the outer case 10, a plurality of parts are built in such a manner that the air of the space for air conditioning is sucked into the interior and harmonized, and then discharged to the outside of the outer case 10.

The front of the outer case 10 is rotatably mounted to the front door 20 to form a front appearance to selectively shield the front of the outer case 10. The front surface of the front door 20 may be used as a tempered glass molded into a safety glass reinforced by compressing the surface portion and tensioning the inside, and may be used as a vinyl Chloride Monomer (VCM) coated with a film layer.

The front half of the front door 20 is provided with an operation unit 30 so that the user can operate the air conditioner. The operation unit 30 is provided with a display window 32 for displaying the operating state and operating environment of the air conditioner, and a plurality of operation buttons 34 so that the user can directly operate the air conditioner.

Side discharge ports (not shown) are formed on the left and right sides of the upper half of the front door 20 to be inclined at an obtuse angle while having a predetermined width. Side discharge vanes 12 are rotatably mounted on the side discharge holes (not shown) to selectively shield the side discharge holes (not shown).

A side suction vane 14 is provided below the side discharge vane 12. The side suction vane 14 selectively includes a side suction opening (not shown) formed to suck the outside air of the outer case 10, that is, the side air of the space for air conditioning into the inside of the outer case 10. It is rotatably mounted to shield.

The top discharge vane 16 is rotatably mounted on the top surface of the outer case 10, and the top discharge vane 16 moves air harmonized inside the outer case 10 to the upper side of the outer case 10. When discharging, the discharge direction is controlled, and the top discharge vane 16 selectively shields the top discharge port (18 of FIG. 2).

The front suction opening 40 is provided below the lower end of the front door 20, and the front suction opening 40 is provided to suck air located in front of the space for air conditioning into the outer case 10. do.

Referring to the internal configuration of the outer case 10 with reference to the drawing shown in Figure 2, the rear panel of the front door 20 is mounted with a door panel 22. The door panel 22 is mounted to support the front glass provided on the front surface of the front door 20 and is formed in a substantially grate shape, and a rear cover of the operation unit that protects a plurality of parts of the operation unit 30 in the center of the upper half. 36 is mounted.

In other words, the rear upper half of the door panel 22, the front cover 50 is mounted on the upper half of the opened outer case 10 to shield the front of the upper half of the outer case 10. In the front center portion of the front cover 50, the cover seating groove 52 in which the operation unit rear cover 36 is seated is recessed to the rear.

An indoor heat exchanger (not shown) is mounted to the rear of the front cover 50 so that air in a space for air conditioning that is sucked through the side suction hole (not shown) and the front suction hole 40 is discharged to the indoor heat exchanger ( As it passes through (not shown), it is heat-exchanged to harmonize with the desired air condition.

The side filter 26 is installed inside the side suction hole (not shown) to be included in air of a space for air conditioning to be sucked into the inside of the outer case 10 to be sucked into the inside of the outer case 10. And remove the foreign matter to suck only the clean air into the outer case (10).

A lower surface filter 42 is mounted on an upper side of the front suction port 40 to filter dust and foreign substances sucked through the front suction hole 40, and a dust collecting filter 60 is provided above the lower filter 42. The air flowing inside the outer case 10 is filtered once more to harmonize clean air.

The rear side of the dust collecting filter 60 is provided with a blowing fan (not shown), due to the rotational movement of the blowing fan (not shown) the inside of the outer case 10 is generated a suction force, such a suction force Therefore, the outside air of the outer case 10, that is, the air of the space for air conditioning is introduced into the inside of the outer case 10.

On the other hand, when the user applies an external power to operate the air conditioner to operate the air conditioner by operating the operation button 34, the side discharge vane 12 is rotated to the side discharge port (not shown) Will open. When the side discharge port (not shown) is opened, the air harmonized inside the outer case 10 is discharged to the outside of the outer case 10 through the side discharge port, so that the air in the space for air conditioning is desired by the user. Are harmonized.

However, the following problems occur in the indoor unit of the air conditioner according to the prior art configured as described above.

The front door 20 that selectively shields the front surface of the outer case 10 is mounted to rotate only in one direction.

Therefore, when furniture or the like is positioned in the direction in which the front door 20 is rotated, it becomes difficult to rotate the front door 20, which makes it difficult to open and close the front of the outer case 10.

If it becomes difficult to open and close the front of the outer case 10, there is also a problem that the service workability of the indoor unit is significantly reduced, the service cost increases due to the decrease in serviceability.

In addition, as the opening and closing of the front door 20 becomes difficult, it becomes difficult to clean the filters provided inside the outer case 10, and when the cleaning of the filters becomes difficult, the purification of the sucked air is efficient. As it is not made to be a problem that is harmful to the health of the user also occurs.

An object of the indoor unit of the air conditioner according to the present invention for solving the above problems is to provide an indoor unit of the air conditioner is provided with a front door that can rotate in both directions.

The indoor unit of the air conditioner according to the present invention for achieving the above object is provided with an inner space, the outer case to form the exterior, the front door to selectively shield the front of the outer case, and the front door A front frame provided at a rear side to form a front part of the outer case, an outer frame forming an outer edge of the front door, and an outer hinge part which is fastened to the outer frame and the front frame so that the front door is pivotable And an inner frame mounted along an inner surface of the outer frame to support the front door, and an inner hinge part fastened to the inner frame and the outer frame so that the front door is pivotable in another direction. It is characterized by.

The outer hinge portion and the inner hinge portion is characterized in that the fastening in opposite directions.

The outer frame is characterized in that the inner seating groove is further provided for receiving the inner hinge portion.

The outer hinge portion and the inner hinge portion is characterized in that the pair is mounted on the upper side and the lower side of the front door, respectively.

The outer hinge portion and the inner hinge portion is characterized in that the molded in the same shape.

According to the indoor unit of the air conditioner configured as described above, there is an advantage in that the installation and serviceability of the indoor unit of the air conditioner are improved.

Hereinafter, an indoor unit of an air conditioner will be described with reference to the drawings.

Figure 3 is a perspective view showing the appearance of the air conditioner indoor unit employing a preferred embodiment of the present invention. Looking at the appearance of the air conditioner indoor unit with reference to the illustrated figure, the indoor unit of the air conditioner is provided with an inner space, the appearance is formed by the outer case 100 in which a plurality of parts are mounted in this inner space.

The outer case 100 is formed in a longitudinal direction in the shape of an octahedron. The outer case 100 is composed of a front frame 200 to form a front side lateral appearance and a rear frame 300 to form a rear half appearance. The front of the outer case 100 is equipped with a front door 400 to form a front central appearance.

The front door 400 is fastened by a hinge so that the front surface of the outer case 100 can be selectively shielded while forming the front central portion of the outer case 100, and rotates in both directions, that is, left front or right front. Possibly mounted. The front surface of the front door 400 is formed of the front glass 430, the front glass 430 is formed of tempered glass.

Tempered glass is tempered glass by heating plate glass to 500 ~ 600 ℃ close to softening temperature and then quenching by compressed cooling air to compress and deform the glass surface and tensile strain inside.

In addition, the tempered glass is 3 to 5 times stronger than general glass, the impact resistance is 3 to 8 times stronger and excellent heat resistance. Therefore, the tempered glass is molded into a shape suitable for use and size before the tempered glass. This tempered tempered glass has a balance of force inside the glass itself, so even if only one side is cut, the bottom body is broken into small fragments.

The front door 400, in which a front surface is formed of the front glass 430 formed of tempered glass, is molded into a long rectangular plate shape, and the front surface has a predetermined curvature. It may be molded to be rounded forward, or may be molded into a flat plate shape. In addition, the front glass 430 is formed by coating a film having a color to have a color on either or both sides of the front or rear surface.

In the center of the upper half of the front door 400, the operation unit 410 is provided so that the user directly operates the air conditioner, and the operation unit 410 displays the operation state and operating environment of the air conditioner. And a plurality of operation buttons 414 to directly operate the air conditioner.

The left discharge port 222 is formed on the left side of the upper half of the front door 400, and the right discharge port 224 is formed on the right side to form a passage through which the air that is harmonized is discharged from the inside of the outer case 100.

On the upper surface of the outer case 100, the upper surface discharge port 240, which is a passage through which the air harmonized inside the outer case 100 is discharged upward of the outer case 100, is formed in a rectangular shape having a long horizontal direction. . The top discharge vane 242 is rotatably mounted on the top discharge port 240 to control the discharge direction of the harmonized air discharged upward.

In other words, the lower side of the left discharge port 222, the lower half of the front door 400, the left side surface portion 260 is provided, the lower half of the front door 400, the right side portion 280 is provided.

A front suction hole 520 is formed below the lower end of the front door 400, and positioned in front of the outer case 100 in a space for air conditioning into the interior of the outer case 100 through the front suction hole 520. To inhale air.

4 is an exploded perspective view showing the internal configuration of a preferred air conditioner indoor unit employing a preferred embodiment according to the present invention. Looking at the internal configuration of the indoor unit of the air conditioner according to the present invention with reference to the drawings, the front cover 202 is mounted on the rear upper half of the front door (400).

The front cover 202 is formed in a substantially rectangular plate shape, the cover seating groove 204 in which the control unit rear cover (416 of FIG. 5) is seated in the center portion is seated a plurality of electronic components provided in the operation unit 410 It is formed recessed backwards. The front frame 200 is mounted on the rear surface of the front cover 202. The front frame 200 is shaped into a rectangular box shape with a rear opening, and both sides are formed to be slightly inclined toward the outer side toward the rear to be formed in a substantially trapezoidal shape when viewed from above.

On both sides of the front frame 200, the side discharge port 220 is formed in a long vertical rectangular shape so that the air harmonized inside the outer case 100 is discharged into a space for air conditioning. The side discharge vanes 220 are mounted with side discharge vanes 222 'and 224'.

A left discharge vane 222 'is rotatably mounted on the left discharge outlet 222 formed in the left side of the front frame 200 through a left discharge outlet 222 while selectively shielding the left discharge outlet 222. The discharge direction of the harmonized air discharged is controlled according to the user's selection. The left discharge vane 222 'is shaped into a substantially "[" shape when viewed from the front, is fastened to the inner side of the front frame 200 by a hinge, and is rotatably mounted.

The right discharge vane 224 ′ is rotatably mounted on the right discharge outlet 224 formed in the right side of the front frame 200 to discharge the right discharge outlet 224 while selectively shielding the right discharge outlet 224. The discharge direction of the matched air is controlled according to the user's selection. The right discharge vane 224 'is shaped into a substantially "]" shape when viewed from the front, is fastened to the inner side of the front frame 200 by a hinge and is rotatably mounted.

The side discharge vanes 222 'and 224' mounted as described above are left mounted to the left discharge port 222 when the user operates the air conditioner using the operation button 414 provided on the operation unit 410. The discharge vane 222 'and the right discharge vane 224' mounted to the right discharge port 224 are rotated.

When the left discharge vane 22 'and the right discharge vane 224' are rotated, the left discharge outlet 222 and the right discharge outlet 224 are opened, and the air harmonized inside the outer case 100 is left. Through the discharge port 222 and the right discharge port 224 is discharged to the space for air conditioning. In this case, since the discharge direction of the coordinated air is guided according to the rotation angles of the left discharge vane 222 ′ and the right discharge vane 224, it is possible to control the discharge direction of the coordinated air according to the user's selection.

On the contrary, when the air conditioner is not used, the left discharge vane 222 ′ and the right discharge vane 224 ′ are not rotated to shield the left discharge outlet 222 and the right discharge outlet 224. It not only prevents the inflow of dust or foreign substances into the inside, but also looks beautiful.

The air harmonized inside the outer case 100 is discharged to the left side of the outer case 100 through the left discharge port 222, and to the right side of the outer case 100 through the right discharge port 224. It is discharged, and is discharged upward of the outer case 100 through the upper surface discharge port 240. The discharged air is discharged to the left side, the right side, and the upper side, so that the air in the space for air conditioning is three-dimensionally harmonized in three directions.

In other words, the lower side of the left discharge port 222, the lower half of the front door 400, the air of the space for air conditioning located in the left side of the outer case 100 is sucked into the inside of the outer case 100 A left side surface portion 260 that is a passage is provided. The left side portion 260 is formed of a left frame 262, a left suction grill 264, a left suction vane 266, and a left filter 268.

The left frame 262 is shaped into a substantially "┏" shape when viewed from above, and the rear half portion is bent backward. The left suction port (not shown) is perforated on the surface bent backwards, and the air in the space for air conditioning is located in the left side of the outer case 100 through the left suction hole (not shown). Inhale.

The left frame 262 is formed with a left suction hole (not shown) formed in a perforated shape in a long rectangular shape in the horizontal direction, and a left suction grill having a rectangular parallelepiped shape in the vertical direction inside the left suction hole (not shown). 264 is mounted. The left suction grill 264 is formed in a grill shape and becomes a passage through which air in a space for air conditioning is sucked.

The left frame 262 is rotatably mounted to the left suction vane 266 to selectively shield the left suction port (not shown). Inside the left suction vane 266 is provided a left filter 268 for filtering the dust and foreign matter contained in the air to be sucked.

In other words, the right side of the lower discharge vane 224 ′, that is, the lower half of the front door 400, the air of the space for the air conditioning located in the right side of the outer case 100 is inside the outer case 100. It is provided with a right side portion 280 that is a passage that is sucked into. The right side portion 280 includes a right suction port 282, a right frame 284, a right suction vane 386, and a right filter 288.

The right frame 284 is shaped into an approximately " 형상 " shape when viewed from above, and the rear half is bent backward. In this way, the right suction opening 282 is formed in the longitudinally long rectangular shape on the surface bent backward. The air in the space for the air conditioning is formed in the right side of the outer case 100 through the right inlet 282.

In other words, a right side suction grille (not shown), which is formed in a shape of a rectangular parallelepiped having a predetermined width and has a predetermined width, is mounted on the inner side of the right side frame 284. The suction grill (not shown) is formed in a grill shape to prevent inhalation of a relatively large foreign material while being a passage through which air in the space for air conditioning is sucked into the outer case 100.

The right frame 284 is rotatably mounted to the right suction vane 286 mounted to selectively shield the right suction port 282. The inside of the right suction grill (not shown) mounted on the inside of the right frame 284 is to filter the dust and foreign matter contained in the air of the space for air conditioning to be sucked into the outer case 100 The right filter 288 is provided.

On the other hand, the rear frame 300 to form a rear appearance of the outer case 100 is mounted on the rear side of the front frame 200. The rear frame 300 is formed into a rectangular box shape in which the front, top and bottom surfaces are opened, and the left and right surfaces are formed to face outwards toward the front. Therefore, the rear frame 300 is shaped into a trapezoidal shape without a base when viewed from above.

The inclination angle of the left side and the right side of the rear frame 300 is formed to have an angle corresponding to the inclination angle formed by the left side and the right side of the front frame 200, so that the rear end and the rear of the front frame 200 The front end of the frame 300 is formed to be in contact with each other to form an inner space of the outer case 100.

The upper panel 310 is mounted on the opened upper surface of the rear frame 300 to shield the opened upper surface of the rear frame 300. The upper panel 310 is formed in the shape of a rectangular box with the front and the lower surface is mounted so that the lower end is in contact with the upper end of the rear frame 300.

The left and right surfaces of the upper panel 310 may be formed to have an angle corresponding to the inclination angles of the left and right surfaces of the rear frame 300. Therefore, the upper panel 310 is shaped into a substantially trapezoidal shape when viewed from above.

An indoor heat exchanger 320 is mounted on the lower side of the upper panel 310, that is, the upper half of the inner space of the rear frame 300. The indoor heat exchanger (320) is formed by bending a pipe of a cylindrical shape having a predetermined diameter a plurality of times and is generally shaped into a substantially rectangular plate shape. A refrigerant that is a working fluid flows inside the indoor heat exchanger 320, and the indoor heat exchanger 320 is mounted to be inclined forward as it goes downward.

The indoor heat exchanger 320 is formed to have a horizontal length shorter or the same as the rear horizontal length of the rear frame 300, and the vertical length is formed to be longer or equal to the vertical length of the front frame 200. The upper end of the indoor heat exchanger 320 is formed in contact with the inner rear of the rear frame 300, the lower end is mounted in a shape inclined forward toward the lower end of the front frame 200. . In other words, it is mounted inclined in an approximately "/" shape when viewed from the right side.

As such, the upper part of the indoor heat exchanger 320 is mounted to the rear inclined somewhat when the air inside the outer case 100 flowing downward from the upper side is heat exchanged while passing between the indoor heat exchanger 320. This is to provide a larger contact area so that the air sucked into the outer case 100 is more heat exchanged.

A drain 330 is provided at the lower end of the indoor heat exchanger 320. The drain portion 330 is condensed water generated on the surface of the indoor heat exchanger 320 while the refrigerant, which is a working fluid flowing inside the indoor heat exchanger 320, is heat-exchanged with air in a space for air conditioning flowing from below. Is equipped to catch water.

The drain portion 330 is formed in a rectangular box shape having an approximately upper surface opened, the center portion is formed to be recessed downward so that the condensate can be easily collected, and the condensate collected in the drain portion 330 is a drain hose ( It is discharged to the outside of the outer case 100 through the (not shown).

The blower 340 is mounted below the drain 330. The blower 340 is a fan fan (not shown) for providing a rotational power to the blowing fan 342 and the blowing fan 342 to force the flow of the air inside the outer case 100 by the rotational movement and It is formed to surround the blowing fan 342 is configured to include a fan housing 344 to guide the flow of air due to the rotational movement of the blowing fan 342 while protecting the blowing fan 342.

The blowing fan 342 is a multi-wing fan that is equipped with a plurality of rotary blades along the outer circumferential surface, by sucking the air in front of the fan by rotating the rotation power provided by the fan motor (not shown) Discharge to the outside.

Due to the rotational movement of the blower fan 342, the suction force is generated in the inside of the outer case 100. Due to the suction force generated by the rotational movement of the blower fan 342, the outer case of the air in the space for air conditioning through the left side portion 260 and the right side portion 280 and the front inlet 520 to be described later It is sucked into the interior of the (100).

A fan housing 344 is provided at an outer side of the blowing fan 342. The fan housing 344 is formed to surround the blowing fan 342, and guides the flow of air sucked due to the rotational movement of the blowing fan 342 while protecting the blowing fan 342. That is, the central portion and the upper surface of the front surface are opened to guide the air sucked from the front to discharge upward, and the fan housing 344 is shaped into a cochlea-shaped lead shape.

The fan housing 344 has a central portion in front of the front to suck air from the front, and has an upper surface such that air flowing outwardly of the blower fan 342 is discharged upward due to the rotational movement of the blower fan 342. It is molded into an open shape. As described above, the fan housing 344 simultaneously serves to guide the flow of air upward due to the rotational movement of the blowing fan 342 while protecting the blowing fan 342.

The dust collecting filter 346 is mounted on the front surface of the fan housing 344. The dust collecting filter 346 filters the air of the space for the air conditioner sucked into the inside of the outer case 100 through the left side portion 260, the right side portion 280, and the front suction opening 520 once more. do.

In other words, the left side filter 268, the right side filter 288, and the air filter of the space for the air conditioner filtered through the filter unit 540, which will be described below, are once again filtered out of the outer case 100. This is to remove the dust and foreign matter contained in the air sucked into the interior once more so that the cleaner air is sucked into the interior of the outer case 100 so as to discharge the space for air conditioning.

In detail below the blower 340, the base frame 500 is mounted to the lower end of the rear frame 300. The base frame 500 is supported while forming the lower end of the outer case 100. The base frame 500 is formed so that the upper surface is opened, the lower surface is formed recessed downward so that the inner space is provided.

The latter half of the base frame 500 is fastened to the lower end of the rear frame 300, and the front and rear left and right sides of the base frame 500 are fastened to the lower ends of the left side 260 and the right side 280. Molded. In addition, the front surface of the base frame 500 is formed to be located below the lower end of the front door 400.

The front surface of the base frame 500 is opened so that the front suction hole 520 is molded, and through the front suction hole 520, the air in front of the outer case 100, that is, the space for air conditioning, is received from the outer case ( It is sucked into the inside of 100).

An inner space of the base frame 500, that is, an upper side of the front suction opening 520, is provided with a lower filter unit 540. The bottom filter unit 540 is equipped with a plurality of filters to filter the air of the space for air conditioning suctioned through the front suction port 520 a plurality of times.

A lower surface prefilter 542 is mounted at a lower end of the lower surface filter 540. The lower surface prefilter 542 is included in the air when the front air of the outer case 100 is sucked into the inside of the outer case 100 by filtering a relatively large dust and foreign matter sucked into the inside of the outer case 100 To prevent inhalation.

The HEPA filter 544 is installed above the lower surface prefilter 542 to filter relatively fine dust and foreign matter not filtered by the lower surface prefilter 542, and the HEPA filter 544 above the lower prefilter 542. The nano filter 546 is installed to filter the fine bacteria and odor particles contained in the air of the space for the air conditioning that is filtered through the dust and foreign matter is filtered through the 544.

As such, the lower surface filter unit 540 is formed of the lower surface prefilter 542, the hepa filter 544, and the nanofilter 546, and a plurality of times the air in the space for air conditioning sucked into the outer case 100 is provided. Will be filtered.

Therefore, a front suction hole 520 is formed below the lower end of the front door 400 to pass the air in front of the outer case 100 into the outer case 100, and the front suction hole 520 is formed. The air in the space for air conditioning to be sucked through is filtered while passing through a plurality of filters mounted on the inside of the outer case 100, specifically, the inside of the front suction hole 520, and is included in the air so that the outer case 100 Foreign substances or dust that is sucked into the inside of) are removed.

Figure 5 is a fastening diagram showing a state in which the front door is removed from the outer case employing a preferred embodiment according to the present invention, Figure 6 is a main portion of the indoor unit air conditioner employing a preferred embodiment according to the present invention An enlarged view showing the hinge as a configuration is shown.

According to the illustrated figure, the rear surface of the front door 400 is supported by the door rear frame 420. The door rear frame 420 has a predetermined thickness and is molded into a long rectangular plate shape in a vertical direction.

The door rear frame 420 is shaped to have a substantially grate shape, and a central portion of the upper half is punched to be connected to a plurality of parts provided to operate the display window 412 and the operation button 414 constituting the operation unit 410. do. In other words, the rear surface of the door rear frame 420 is mounted to the operation unit rear cover 416, a plurality of parts are mounted in the operation unit rear cover 416 to operate the operation unit 410.

The operation part rear cover 416 is molded into a rectangular box shape having an open front, and a plurality of parts are seated therein, and these parts are formed through the center of the upper half of the front rear door 400 formed in the rear door frame 420. It is connected to the operation unit 410 is molded in the front.

The front door 400 is mounted with an inner frame 440 having a predetermined width along the edge of the tempered glass formed in the shape of a long rectangular plate having a predetermined width in the longitudinal direction. The inner frame 440 is mounted along the edge of the windshield 430 to support the windshield 430.

The inner frame 440 is formed of an inner left beam 442, an inner right beam 444, an inner upper beam 446, and an inner lower beam 448, and are formed while the respective beams 442, 444, 446, and 448 are fastened to each other. It is mounted along the edge of the substantially rectangular windshield 430 to support the windshield 430.

An inner projection seating groove 446 ′ which accommodates an inner hinge protrusion (not shown) protruded downward in an inner hinge portion (not shown) at an upper left end of an inner upper beam 446 of the inner frame 440. ) Is formed recessed downward. The inner hinge part (not shown) mounted on the inner frame 440 is molded in the same shape as the outer hinge part 460 which will be described later.

Therefore, when the inner hinge protrusion (not shown) is accommodated in the inner protrusion seating groove 446 ', the front surface of the outer case 100 may be selectively shielded by the inner frame 440 formed as described above. At this time, the inner frame 440 formed along the edge of the windshield 430 and the windshield 430 is rotated from the right side to the left side based on the left end.

When the windshield 430 and the inner frame 440 rotate from the right side to the left side based on the left end, the front surface of the outer case 100 is opened. As described above, in order for the windshield 430 and the inner frame 440 to rotate based on the left end, the inner hinge part (not shown) may have the left end of the inner upper beam 446 and the left side of the inner lower beam 448. It is preferable to be provided in the edge part, respectively.

In addition, the outer frame 450 is mounted along the outer surface of the inner frame 440. The outer frame 450 is mounted along the outer edge of the inner frame 440 while having a predetermined width, and is molded to have a width larger than the width of the inner frame 440.

That is, the outer surface of the inner left beam 442 is formed to contact the inner surface of the outer left beam 452 of the outer frame 450, the outer surface of the inner right beam 444 the outer frame 450 The inner surface of the outer right beam 454 is in contact with, and the inner surface of the outer upper beam 456 on the outer surface of the inner upper beam 446, the inner surface of the inner lower beam 448 The outer side surface is formed to contact the inner side surface of the outer lower beam 458 of the outer frame 450.

An inner hinge accommodating groove 456 ′ in which an upper surface of the inner hinge part (not shown) is seated is recessed upward on an inner surface of the left end of the outer upper beam 456. The upper surface of the inner hinge portion (not shown) is mounted while contacting the upper surface of the inner hinge receiving groove 456 'to fix the inner hinge portion (not shown). At this time, the inner hinge protrusion (not shown) protruding downward on one side of the inner hinge portion (not shown) is interpolated into the inner projection seating groove 446 ′ which is formed recessed downward in the inner upper beam 446. It is settled down.

In addition, an outer protrusion seating groove 456 ″ in which the outer hinge protrusion 464 protrudes downward from the outer hinge part 460 is recessed and formed in the upper right end of the outer upper beam 456.

The outer hinge protrusion 464 is accommodated in the outer protrusion seating groove 456 ″ so that the outer frame 450 is moved forward from the left side toward the right end of the front glass 430 and the inner frame 440. ) And the outer frame 450. As described above, when the windshield 430, the inner frame 440, and the outer frame 450 rotate, the front surface of the outer case 100 is opened.

In addition, an outer surface of the inner frame 440 is mounted to the first half of the inner surface of the outer frame 450 while the outer rear surface of the inner frame 440 is mounted. The front surface of the door rear frame 420 is mounted to be in contact with the rear surface of the windshield 430 and the edge is mounted while contacting the inner surface of the inner frame 440.

When the edge of the door rear frame 420 is mounted while contacting the inner surface of the inner frame 440, the inner frame 440 when the inner frame 440 rotates forward from the right side around the left end of the inner frame 440 And while rotating at the same time to open the front of the outer case (100).

The rear surface of the outer frame 450 is mounted to the front edge of the outer case 100. The outer hinge part 460 is mounted on the upper right end of the front frame 200 forming the first half of the outer case 100 so that the outer frame 450 is rotatable.

The outer hinge portion 460 is fixed to the upper surface of the front frame 200 by a screw fixed to the fixing piece 462 and the outer side of the fixing piece 462, the outer hinge protrusion 464 protruded downwardly Is formed. The fixing piece 462 is formed into a shape in which each side of the triangular plate shape is bent while having a predetermined curvature inwardly when viewed from above, and the screw hole 466 is perforated so that the screw is fastened to the rear end thereof. Is formed.

In other words, the outer hinge portion 460 is fixed while being fastened to the upper right end of the front frame 200 while the screw penetrates through the screw hole 466 formed in the fixing piece 462. The fixed outer hinge portion 460 is the outer hinge protrusion 464 is located in front of the front cover 202.

At this time, the outer hinge protrusion 464 is inserted into the outer projection seating groove 456 ″ which is formed recessed downward in the upper right end of the outer surface of the outer upper beam 456 of the outer frame 450.

As such, when the outer hinge part 460 is mounted, the front glass 430 and the inner frame 440, the door rear frame 420, and the outer frame 450 are positioned around the outer hinge part 460. It becomes rotatable forward from the left side. When the front door 400 is rotatable forward in the left side, the front surface of the outer case 100 is formed to be selectively shielded.

Hereinafter, the operation of the indoor unit of the air conditioner according to the present invention configured as described above will be described.

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 indoor unit of the air conditioner is operated by using the operation button 424 provided on the front of the front door 400.

When the user applies external power to the indoor unit of the air conditioner, power is applied to a plurality of components provided inside the outer case 100. In this case, power is applied to the fan motor (not shown) provided inside the outer case 100, and the fan motor (not shown) generates rotational power by the applied power. The blowing fan 342 is rotated by the rotational power.

When the blowing fan 342 rotates, a suction force is generated inside the outer case 100, and the air in the space for air conditioning is generated by the suction force from the left side portion 260 and the right side portion 280. And through the front suction port 520 are sucked into the outer case 100.

Air in the space for air conditioning sucked into the outer case 100 is filtered by a plurality of filters provided inside the outer case 100 so that only clean air is sucked forward of the blower fan 342. Flow upwards. Air in the space for air conditioning flowing upward by the rotational movement of the blowing fan 342 passes through the indoor heat exchanger 320.

The air in the space for air conditioning that passes through the indoor heat exchanger 320 exchanges heat with the refrigerant that is a working fluid flowing inside the indoor heat exchanger 320 while passing through the indoor heat exchanger 320. The air heat-exchanged while passing through the indoor heat exchanger 320 is discharged into the space for air conditioning through the side discharge port 220 and the top discharge port 240 provided in the front frame 200.

In addition, when the user operates the air conditioner by using the operation button 424 provided at the center of the front upper half of the front door 400, the display window 422 displays the operating state or air condition of the air conditioner. The environment of the room for display and the like.

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 front door is mounted to be able to rotate forward from the left end or forward from the right end to selectively shield the front of the outer case in both directions. It is composed.

As described above, according to the indoor unit of the air conditioner, the front door is formed to be rotatable in both directions, and the front door is selectively opened and closed in both directions, where furniture is placed in the direction in which the front door is rotated, thereby preventing rotation in one direction. In this case, the front door can be rotated in the other direction, thereby improving convenience of use.

In addition, the front door is installed to be rotatable in both directions, there is an advantage that the installability is improved than the indoor unit of the air conditioner rotated in one direction.

In addition, since the front door can be rotated in both directions, the serviceability is improved, and the service cost is also reduced due to the improved serviceability.

In addition, as the outer hinge and the inner hinge is molded in the same shape, it is compatible with each other to improve the productivity in the production of the product, there is also the effect of improving the assembly.

On the other hand, as the front door can be rotated in both directions, it is easier to clean the inside of the air conditioner equipped with the front door so that the front door can be rotated in one direction, making it possible to harmonize clean air. Has a beneficial effect on the user's health.

Claims (5)

An outer case having an inner space and forming an exterior, A front door for selectively shielding the front surface of the outer case; A front frame provided at a rear side of the front door to form a first half of the outer case; An outer frame forming an outer edge of the front door, An outer hinge part which is fastened to the outer frame and the front frame so that the front door is rotatable; An inner frame mounted along an inner surface of the outer frame to support the front door; The indoor unit of the air conditioner is fastened to the inner frame and the outer frame is configured to include an inner hinge portion is fastened so that the front door can be rotated in the other direction. The indoor unit of an air conditioner according to claim 1, wherein the outer hinge portion and the inner hinge portion are fastened in mutually opposite directions. The indoor unit of an air conditioner according to claim 1, wherein the outer frame further includes an inner seating groove accommodating the inner hinge part. The indoor unit of an air conditioner according to claim 1, wherein the outer hinge portion and the inner hinge portion are mounted in pairs on the upper side and the lower side of the front door, respectively. The indoor unit of an air conditioner according to claim 1, wherein the outer hinge portion and the inner hinge portion are formed in the same shape.

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