KR102522063B1 - Indoor unit for air condition - Google Patents

Abstract

The present invention relates to an indoor unit of an air conditioner, wherein the indoor unit includes a casing including a front portion, a side portion, and a rear portion coupled to a wall surface; a coupling frame disposed between the front part and the rear part; a filter assembly coupled to an upper portion of the casing and filtering and inhaling air; a discharge unit disposed under the casing and discharging air sucked in from the filter assembly; and an ion generating device disposed at the upper center of the filter assembly and diffusing ions in both directions of the filter assembly, wherein the ion generating device is rotatably disposed on the coupling frame in a vertical direction. .

Description

Indoor unit of air conditioner {INDOOR UNIT FOR AIR CONDITION}

The present invention relates to an indoor unit of an air conditioner.

An air conditioner is a device for maintaining the air in a predetermined space in the most suitable state according to the use and purpose. In general, the air conditioner includes a compressor, a condenser, an expansion device, and an evaporator, and a refrigeration cycle that performs compression, condensation, expansion, and evaporation of refrigerant is driven to cool or heat the predetermined space. .

The predetermined space may be proposed in various ways according to a place where the air conditioner is used. For example, when the air conditioner is disposed in a home or office, the predetermined space may be an indoor space of the house or building.

When the air conditioner performs a cooling operation, the outdoor heat exchanger provided in the outdoor unit functions as a condenser and the indoor heat exchanger provided in the indoor unit performs the function of an evaporator. On the other hand, when the air conditioner performs a heating operation, the indoor heat exchanger functions as a condenser and the outdoor heat exchanger functions as an evaporator.

Air conditioners can be classified into upright type, wall-mounted type, or ceiling type depending on the installation location. The upright type air conditioner is an air conditioner installed to stand upright in an indoor space, and the wall-mounted air conditioner is understood to be an air conditioner installed to be attached to a wall surface. And, the ceiling-type air conditioner is understood as a type of air conditioner installed on the ceiling.

In addition, in the case of recently released wall-mounted air conditioners, a suction grill or a filter assembly is disposed on the upper side. When the wall-mounted air conditioner is installed on the inner wall of the indoor space, the suction grill or the filter assembly are not visible to the user, and the clean appearance of the air conditioner is visible from the outside.

The invention for the conventional wall-mounted air conditioner is disclosed as follows.

[Prior art literature]

[Patent application number] 10-2001-0064453 (Applicant: LGI Co., Ltd., publication date: 2003.04.26.)

However, when the intake grill or the filter assembly is installed on the upper side, there is a problem in that dust in the air flowing into the intake grill or the filter assembly is not effectively filtered.

In particular, a problem occurred in that foreign substances in the upper air were dispersed downward without being collected by the intake grill or the filter assembly.

The present invention is proposed to solve the above problems.

In particular, an object of the present invention is to provide an indoor unit of an air conditioner in which an ion generating device is disposed above the filter assembly to effectively collect dust in the filter assembly.

Another object of the present invention is to provide an indoor unit of an air conditioner in which a filter assembly can be easily replaced.

In particular, when the ion generating device is disposed above the filter assembly, interference between the filter assembly and the ion generating device causes a problem in which the filter assembly is not easily separated. It is an object of the present invention to provide an indoor unit.

An indoor unit of an air conditioner according to an embodiment of the present invention includes a casing including a front part, a side part, and a rear part coupled to a wall surface; a coupling frame disposed between the front part and the rear part; a filter assembly coupled to an upper portion of the casing and filtering and inhaling air; a discharge unit disposed under the casing and discharging air sucked in from the filter assembly; and an ion generating device disposed at the upper center of the filter assembly and diffusing ions in both directions of the filter assembly, wherein the ion generating device rotates vertically on the coupling frame for smooth attachment and detachment of the filter assembly. can possibly be placed.

In addition, the filter assembly may be disposed between the coupling frame and the ion generator, and the filter assembly may be separated from the casing without interfering with the ion generator when the ion generator rotates upward.

In addition, the ion generating device may include an ion generating unit for ionizing molecules in the air by applying a voltage to both sides; and a case in which the ion generator is disposed inside and ion outlets are formed on both sides, and the case is rotatably coupled to the coupling frame so that the ion generator can rotate vertically. there is.

In addition, the coupling frame, two first coupling frames extending forward from the top of the rear portion; And a second coupling frame extending the front ends of the two first coupling frames, each of the two first coupling frames may have a rotating protrusion protruding in a direction facing each other.

In addition, it is disposed on the lower side of the case, it may further include a rotation unit rotatably coupled to the rotation protrusion.

In addition, the rotation unit, the plate disposed in parallel to each lower side of both sides of the case; a rotating groove disposed on the rear side of the plate and into which the rotating protrusion is rotatably fitted; and a limiting protrusion disposed on the front side of the plate and limiting the rotation angle by interfering with the first coupling frame.

The limiting protrusion may include a first limiting protrusion disposed on an upper portion of the front side of the plate to limit the rotation angle; and a second limiting protrusion disposed on a lower portion of the front side of the plate, wherein the first limiting protrusion and the second limiting protrusion include: an upper surface inclined downward from the side surface of the plate; And it is formed inclined upward from the side of the plate, characterized in that it comprises a lower surface extending from the upper surface.

Also, when the ion generating device rotates upward, the upper surface of the first coupling frame supports the lower surface of the second limiting protrusion, so that the ion generating device may maintain an upwardly lifted state.

Conversely, when the ion generating device rotates downward, the lower surface of the first coupling frame is supported on the upper surface of the first limiting protrusion, so that the ion generating device may maintain a lowered state.

Also, to limit the rotation angle of the ion generator, a rotation distance of the ion generator may be a distance from an upper surface of the first limiting protrusion to a lower surface of the second limiting protrusion.

In addition, the rotation groove, the first rotation groove disposed on the lower side of the rear side of the plate; And it may include a second rotation groove disposed on the upper side of the rear side of the plate.

In addition, the rotating protrusion is selectively coupled to the first rotating groove or the second rotating groove so that the ion generating device can be coupled to various types of indoor units in a compatible manner.

In addition, in order to prevent dust from entering the indoor unit, a shielding rib protruding outward from a side surface of the rotating part and shielding a space between the rotating part and the first coupling frame may be further included.

The indoor unit of the air conditioner according to the embodiment of the present invention configured as described above has the following effects.

First, by arranging the ion generating device above the filter assembly, the filter assembly ionizes molecules in the air inhaled and charges the dust in the air, thereby effectively collecting the dust in the filter assembly.

Second, since the ion generator is rotatably coupled, when replacing the filter assembly, the user can easily attach and detach the filter assembly by lifting the ion generator.

Third, as the filter groove corresponding to the shape of the lower surface of the ion generating device is formed in the filter assembly, interference between the ion generating device and the filter assembly does not occur.

1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention;
2 is a front view of an indoor unit of an air conditioner according to an embodiment of the present invention.
3 is an exploded perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention;
4 is an enlarged perspective view of a coupling frame part of the configuration of an indoor unit;
5 is a perspective view of an ion generating device among components of an indoor unit;
6 is an exploded view of an ion generating device among components of an indoor unit;
7 is a bottom view of an ion generating unit among components of an ion generating device;
8 is a bottom view of the first case of the configuration of the ion generator.
9 is a rear perspective view of the lower surface of the second case among the components of the ion generator.
10 is a front perspective view of a lower surface of a second case and a light emitting part of an ion generating device;
Fig. 11 is a side view of the lower surface of the second case in the configuration of the ion generator.
12 is a view showing a configuration in which an ion generating unit is coupled to a lower surface of a second case;
13 is a lower perspective view of a third case;
14 is an enlarged perspective view of a configuration of a rotating part among configurations of a third case;
15 is a perspective view of an indoor unit of an air conditioner for showing rotation of an ion generating device;
16 is a side view of the indoor unit of the air conditioner for showing the rotation of the ion generator.
17 is a perspective view illustrating a state in which the ion generator is rotated downward with respect to the coupling frame;
18 is a perspective view illustrating a state in which the ion generating device is rotated upward with respect to the coupling frame;

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiments, and those skilled in the art who understand the spirit of the present invention will be able to easily suggest other embodiments within the scope of the same spirit.

1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention, FIG. 2 is a front view, FIG. 3 is an exploded perspective view, and FIG. 4 is an enlarged perspective view of a coupling frame portion of the indoor unit.

Referring to FIGS. 1 to 4 , an air conditioner according to an embodiment of the present invention includes an indoor unit 10 . For example, the indoor unit 10 may include a wall-mounted indoor unit installed on a wall of an indoor space.

The indoor unit 10 includes a casing 100 forming an exterior. The casing 100 includes a front portion 101 forming the front appearance of the indoor unit and side portions 103 provided on both sides of the front portion 101 and extending backward from the front portion 101 toward the wall surface. included

And, the casing 100 further includes a rear part 105 disposed on the rear side of the side part 103 . The rear part 105 is disposed between the both side parts 103 and can be coupled to a wall surface of an indoor space.

The front part 101, both side parts 103 and the rear part 105 form an inner space, and a number of parts provided in the indoor unit 10 can be accommodated in the inner space. The plurality of parts may include a heat exchanger (not shown) and a fan (not shown).

The indoor unit 10 further includes a filter assembly 120 disposed above the casing 100 . The filter assembly 120 may form an upper surface portion of the casing 100 . In addition, a plurality of filter intake ports 122a are formed in the filter assembly 120 to suck air from the indoor space into the indoor unit 10. The air sucked through the filter inlet 122a may be cooled or heated while passing through the heat exchanger.

The filter assembly 120 may include a filter member 122 and a filter case 124 .

The filter member 122 may have a configuration in which a plurality of filter inlets 122a are formed. In this case, the filter member 122 is composed of a plurality of frames for forming a plurality of filter inlets 122a. It can be. In addition, a mesh may be disposed in the filter inlet 122a to filter intake air.

In addition, when an ion generating device to be described later is coupled to the filter member 122, a filter groove 122b may be formed at a part of the rear end to prevent interference with the ion generating device 200. This is a configuration for effectively attaching or detaching the filter member 122 in a state in which the ion generating device 200 is coupled, and the filter groove 122b has an area larger than the area of the upper surface of the ion generating device 200. can have

The filter case 124 is disposed below the filter member 122, and the filter member 122 is coupled to each other. In detail, the filter case 124 may have a plurality of filter case openings 124a corresponding to the plurality of filter inlets 122a formed in the filter member 122 . In addition, a filter case groove 124b may be formed in the filter case 124 in a shape corresponding to the filter groove 122b of the filter member 122 .

For example, a plurality of coupling ribs are disposed on the rim of the filter case 124, and the rim of the filter member 122 can be coupled by being fitted into the plurality of coupling ribs. As an example, the filter member 122 and the filter case 124 may be integrally formed.

The indoor unit 10 further includes a discharge panel 140 disposed below the casing 100 and having a discharge port 142 through which air sucked into the indoor unit 10 is discharged. A discharge vane 145 may be installed in the discharge port 142 to be movable and adjust a discharge direction or air volume of air discharged from the discharge port 142 . For example, the discharge vane 145 may be provided rotatably forward and backward around hinge shafts provided at both ends of the discharge vane 145 .

When the fan is driven, air in the indoor space is sucked into the indoor unit 10 through the filter assembly 120 and heat exchanged in the heat exchanger. Also, the heat-exchanged air may be discharged through the outlet 142 .

In the present embodiment, it has been described that the filter assembly for sucking air into the indoor unit is positioned above the indoor unit, and the outlet 142 for discharging air is located below the indoor unit 10 . However, contrary to this, the filter assembly 120 may be located below the indoor unit and the discharge part 140 may be located above the indoor unit. As another example, an additional filter assembly 120 or a discharge unit 140 may be formed on the front portion 101 of the casing 100 .

In summary, the indoor unit 10 according to the present invention may be configured to generate air currents such as upper suction and lower discharge, lower suction and upper discharge, front suction and lower discharge, and upper suction and front discharge.

The side part 103 of the casing 100 may be provided with a sensor device 160 capable of detecting the amount of dust contained in the indoor air. Since the sensor device 160 is installed on the side part 103, the amount of dust can be sensed by sucking only a small amount of air into the sensor device 160 without being affected by air intake and discharge through the indoor unit 10. there is.

In addition, the indoor unit 10 may further include a frame part 170 connected to the side part 103 and to which the front part 101 is coupled.

In detail, the frame part 170 includes a first frame 171 extending from the front lower part of the side part 103, a second frame part 173 extending from the rear end of the upper surface of the side part 103, and the first frame It may include a third frame 175 disposed between the 171 and the second frame portion 173 to connect the upper front surface of the side portion 103 .

The front part 101 may be coupled to the front surface of the side part 103 by the first frame 171 and the third frame 175 . In detail, a plurality of fitting ribs may be formed on the rear surface of the front part 101, and a plurality of protruding ribs 171a protruding forward in the first frame part 171 and the third frame part 175. , 175a) may be formed, and as the plurality of protruding ribs 171a and 175a are coupled to the plurality of fitting ribs, the front part 101 may be coupled to the front end of the side part 103.

In addition, between the second frame 173 and the third frame 175, a plurality of reinforcing frames 177 supporting the filter assembly 120 and an ion generator 200 to be described later may be coupled. A coupling frame 179 may be disposed.

The reinforcing frame 177 is disposed to extend between the second frame 173 and the third frame 175 so that the filter assembly 120 can be supported on the upper side. The reinforcing frame 177 may form a plurality of empty spaces between the plurality of frames as the plurality of frames are coupled to each other, and thus may serve as a skeleton supporting the filter assembly 120. there is.

In addition, the coupling frame 179 is disposed to extend the second frame 173 and the reinforcing frame 177, so that the ion generator 200 can be coupled thereto.

The coupling frame 179 is disposed between the second frame 173 and the reinforcing frame 177 in a U-shape, to which the ion generator 200 can be coupled. In detail, the ion generating device 200 may be rotatably coupled to the coupling frame 179 .

In more detail, the coupling frame 179 includes two first coupling frames 179a extending from the second frame 173 and the reinforcing frame 177, and the front ends of the two first coupling frames 179a. It may include a second coupling frame (179b) connecting the.

In addition, a rotating protrusion 179c may be formed on each of the first coupling frames 179a so that a rotating part 274 of the ion generating device 200, which will be described later, can be coupled. That is, each of the two first coupling frames 179a may be formed with a rotating protrusion 179c protruding in the direction of the first coupling frame 179a facing each other.

In addition, one or more cable grooves 179d may be formed in the second coupling frame 179b. When the cable connected to the ionizer 200 is extended to the indoor unit, the cable groove 179d serves to easily arrange the cable by being inserted therein.

The ion generator 200 is disposed above the indoor unit 10 and is a means capable of diffusing ions to both sides. In detail, the ion generator 200 is coupled to the frame 170 and is a means capable of diffusing ions to both sides.

The ion generator 200 ionizes molecules in the air by generating a high voltage on both sides, and dust is electrically charged by the ionized molecules, and the charged dust can be effectively collected in the filter assembly 120. .

Below, the configuration of the ion generating device 200 will be described in detail.

5 is a perspective view of an ion generating device among components of an indoor unit, and FIG. 6 is an exploded view. 7 is a bottom view of the ion generating unit among the components of the ion generator, FIG. 8 is a bottom view of the first case of the components of the ion generator, and FIG. 9 is a rear perspective view of the bottom of the second case of the components of the ion generator. .

10 is a front perspective view of the lower surface of the second case and the light emitting part of the configuration of the ion generator 200, FIG. 11 is a side view of the lower surface of the second case of the configuration of the ion generator 200, and FIG. 12 is a side view of the lower surface of the second case It is a view showing a configuration in which the generating unit is coupled, FIG. 13 is a lower perspective view of the third case, and FIG. 14 is an enlarged perspective view of the configuration of the rotation unit among the configurations of the third case.

5 to 14 , the ion generating device 200 may include cases 210 , 230 , and 250 and an ion generating unit 250 installed inside the cases 210 , 230 , and 250 .

The ion generating unit 250 is a means for generating ions laterally, and the case 210 , 230 , 250 is coupled to the ion generating unit 250 and guides the ions generated from the ion generating unit 250 to the side. is a means

The ion generator 250 generates a high voltage and discharges the electrode 253 to ionize molecules in the air. Ions generated by the ion generating unit 250 may charge foreign substances in the air while being diffused laterally through the cases 210, 230, and 250, and thus the charged foreign substances may be collected in the filter assembly 120.

The ion generating unit 250 is disposed outside of a circuit 251 generating a high voltage, a circuit case 252 surrounding the circuit 251, and the circuit case 252, and in the circuit 251 An electrode 253 that ionizes molecules in the air through a discharge by the generated high voltage, a wire 255 electrically connecting the electrode 253 and the circuit 251, and a sideward from the circuit case 252 A wire cover 256 protruding to support the wire 255 and an electrode cover 254 extending from the wire cover 256 and covering the electrode 253 may be included.

The circuit 251 is a means for generating a high voltage so that the electrode 253 can discharge. The circuit 251 may generate and supply high voltage AC current, positive or negative DC current, or pulsed DC current to the electrode 253 . In this embodiment, the circuit is a constant voltage circuit that generates negative direct current. The circuit preferably outputs with an output voltage of -7kVp ± 8%, an output frequency of 100Hz ± 10%, and a duty of 15 to 25%. The circuit includes a circuit board and various electronic devices.

The circuit case 252 is a means for protecting the circuit 251 and enclosing the circuit so that a short circuit does not occur in the circuit 251 . For example, the circuit case 252 is preferably formed in a rectangular parallelepiped of plastic material.

In addition, the inside of the circuit case 252 may be molded with silicon 257 to protect the circuit 251 . In detail, the circuit case 252 may have a rectangular parallelepiped box shape with an open top, and in this case, the circuit 251 may be placed in the opening formed on the top of the circuit case 252 . The silicon 257 may be molded to enclose the circuit in a state where the circuit 251 is placed in the opening formed on the top of the circuit case 252 .

One or more coupling ribs 252a and 252b may be respectively disposed on the upper front and upper rear surfaces of the circuit case 252 . In detail, one or more first coupling ribs 252a may be disposed above the front end of the circuit case 252, and one or more second coupling ribs 252b may be disposed above the rear end of the circuit case 252. there is. The coupling configuration of the first coupling rib 252a and the second coupling rib 252b will be described later.

In addition, a first fastening part 258 may be formed on a side surface of the circuit case 252 . The first fastening part 258 has a first fastening hole 258a to which a screw or screw may be coupled. The second case 230 and the third case 270 to be described later may be coupled by the first fastening part 258, and a detailed description thereof will be described later.

The wire 255 may protrude from the circuit case 252 and be connected to the electrode 253 . In detail, the wire 255 is formed in a bar shape, one end is connected to the circuit case 252 and the other end is connected to the electrode 253, thereby preventing leakage of current. The electric wire 255 may include a conducting wire for transmitting the high voltage generated in the circuit 251 to the electrode 253 and a covering made of plastic material surrounding the outside of the conducting wire. The wire 255 electrically connects the circuit 251 and the electrode 253 .

In addition, a plurality of wires 255 may be arranged according to the number of electrodes 253 . In this embodiment, the wires 255 are spaced apart by two on both sides of the circuit case 252, so that a total of four wires may be disposed. The wire 255 may be supported by the wire cover 256 .

The electrode 253 is a means for ionizing molecules in the air through electric discharge. In detail, when the high voltage generated in the circuit 251 is applied to the electrode 253 through the wire 255, the electrode 253 discharges while ionizing molecules in the air to generate ions. When a high voltage is applied to the electrode 253, anions such as OH- and O- or cations such as H+ are generated.

The electrode 253 may include carbon fiber. In detail, the electrode 253 may be made of ultra-fine carbon fiber, and may generate ions by corona discharge. For example, the electrode 253 is preferably in the form of a brush in which hundreds of ultra-fine carbon fibers having a diameter of a micrometer are bound to the electric wire 255 . In this embodiment, the electrode 253 has a brush shape in which about 1000 carbon fibers with a diameter of 7 μm are gathered.

In the brush-shaped electrode 253, which is a bundle of carbon fibers, only one of hundreds of carbon fibers can be discharged, and in this case, the discharge effect can be increased by the remaining carbon fibers. Depending on the embodiment, the electrode 253 may be formed in a needle shape or a network shape having a pattern. The electrodes 253 may be disposed in plurality, and four are disposed in this embodiment.

The plurality of electrodes 253 are preferably spaced appropriately apart to minimize mutual interference. For example, the plurality of electrodes 253 are preferably arranged to be spaced apart at regular intervals on an imaginary plane perpendicular to the air flow direction, and are preferably arranged symmetrically in the vertical and/or left-right directions. The electrode 253 may be disposed not to come into contact with the circuit case 252 by the wire 255 .

Ions generated by the electrode 253 can charge foreign substances in the air. In detail, negative ions can provide electrons to the foreign material to negatively charge the foreign material, and positive ions can take electrons from the foreign material to positively charge the foreign material.

The wire cover 256 protrudes from the circuit case 252 and may be formed of the same plastic material as the circuit case 252 . The wire cover 256 may be integrally formed with the circuit case 252 or formed separately and coupled to the circuit case 252 . One side of the wire cover 256 may be connected to the circuit case 252 and the other side may be connected to the electrode cover 254 . The wire cover 256 may be provided in plural to correspond to the number of the wires 255, and four are provided in this embodiment.

The wire cover 256 is formed in a cylindrical shape to surround the circumference of the bar-shaped wire 255 . The wire cover 256 is formed in a substantially semicircular cylindrical shape with a side portion opened so as to cover only a portion of the circumference of the wire 255 . In detail, it is preferable that the top of the electric wire cover 256 is open. Accordingly, the upper side of a part of the electric wire 255 may be exposed without being covered by the electric wire cover 256 .

The electric wire cover 256 may include a support protrusion 256a protruding forward from a portion of the open side surface. In detail, the support protrusion 256a may support the wire 255 . The support protrusion 256a may be coupled to a circumference of the electric wire 255 so that a part of the electric wire 255 can be fixedly disposed within the electric wire cover 256 .

The electrode cover 254 is connected to the wire cover 256 and is formed of a plastic material. The electrode cover 254 may be provided in plurality corresponding to the number of the plurality of electrodes 253, and four are provided in this embodiment. It is preferable that the plurality of electrode covers 254 are properly spaced apart from each other. In detail, the electrode cover 254 is spaced apart from the circuit case 252 by the wire cover 256 .

The end of the electrode cover 254 is formed to protrude beyond the end of the electrode 253 . Here, the terminus refers to the end of the wire 255 or the wire cover 256 in the longitudinal direction. It is preferable that the distance between the end of the electrode cover 254 and the end of the electrode 253 is about 1 mm. It is preferable that the end of the electrode 253 does not protrude beyond the end of the electrode cover 254 so that the end of the electrode 253 is protected from the outside.

The cases 210 , 230 , and 250 include a first case 210 forming an upper exterior of the ion generator 200 , a second case 230 coupled to a lower side of the first case 210 , and the second case It may include a third case 270 coupled to the lower side of (230).

The ion generator 250 may be disposed between the second case 230 and the third case 270 . A detailed description of this will be given later.

define the direction Based on the configuration of the entire indoor unit, it can be seen that the first to third cases 270 are arranged in a vertical direction. Therefore, in the following description, the first case 210 forms the upper surface of the ion generator 200 based on the cases 210 , 230 , and 250 of the ion generator 200 , and the third case 270 forms the ion generator 200 . Forming the lower surface of the generator 200 will be described. Further, based on the configuration of the entire indoor unit, the direction of the rear portion of the indoor unit is defined as rear, and the direction of the front portion of the indoor unit is defined as front.

The first case 210 has a shape in which an upper surface has a certain upward curvature, and includes a first case body 211 forming an upper outer appearance of the ion generator 200 and the first case body 211. When it may include a plurality of coupling ribs 212 disposed on the front and rear sides.

In this case, the plurality of coupling ribs 212 may protrude and be spaced apart from each other in the front extending direction and the rear extending direction of the first case body 211 . The plurality of coupling ribs 212 are means for coupling to the second case 230.

The second case 230 may include a second case body forming an installation space in which the ion generating unit 250 and the light emitting unit 280 to be described later may be disposed. In detail, the second case body has a first curved portion 231 formed to have a predetermined curvature in a shape corresponding to the first case body 211, and downward from both side ends of the first curved portion 231. It may include two extensions 232 bent and extended.

The ion generating unit 250 and the light emitting unit 280 may be disposed in an installation space formed by the first curved portion 231 and the extension portion 232 .

A plurality of coupling grooves 231a may be formed on an upper surface of the first curved portion 231. In detail, a plurality of coupling grooves 231a for coupling the plurality of coupling ribs 212 of the first case 210 may be formed at the front and rear ends of the upper surface of the first curved portion 231 . When the first case body 211 is coupled to the first curved portion 231, the plurality of coupling grooves 231a formed on the upper surface of the first curved portion 231 are the first case body 211 ) It may be formed in a position corresponding to the plurality of coupling ribs 212 of the first case 210 so that the plurality of coupling ribs formed in the coupling can be coupled.

In addition, a plurality of coupling grooves 231b may be formed on the lower surface of the first curved portion 231. In detail, a plurality of coupling grooves 231b for coupling the third case 270 may be formed at the front and rear ends of the lower surface of the first curved portion 231 . The coupling relationship of the plurality of coupling grooves 231b formed on the lower surface of the first curved portion 231 will be described later.

A light emitting unit accommodating space 310 may be disposed in front of the installation space formed on the lower side of the second case body, that is, the installation space formed by the first curved portion 231 and the extension portion 232 .

In detail, the light emitting unit accommodating space 310 is formed on the lower front side of the second case body, and a light emitting unit 280 to be described later may be installed. In more detail, a light emitting hole 231c may be formed on the front surface of the second case body, and the light emitting part 280 may be disposed at a position of the light emitting hole 231c.

A light emitting unit coupling rib 233 to which the light emitting unit 280 is coupled may be disposed in the light emitting unit accommodating space 310 . In detail, the light emitting part coupling rib 233 may have a U-shape, and the light generated from the light emitting part 280 by the light emitting part coupling rib 233 is emitted only in the direction of the light emitting part 231c. and light emitted in other directions may be blocked. That is, the light emitting part coupling rib 233 may include a first rib 233a and a second rib 233b extending forward from both side ends of the first rib 233a.

The light emitting part 280 may be disposed in front of the first rib 233a, and the light generated from the light emitting part 280 by the first rib 233a and the second rib 233b is It can be emitted only in the direction of the forward light bulb 231c.

The light emitting unit 280 may include a light emitting circuit 281 generating light by receiving a voltage and a diffusion unit 282 diffusing light generated from the light emitting circuit 281 .

The light emitting circuit 281 may include an LED, but is not limited thereto. When the ion generator 200 is driven, the light emitting circuit 281 generates light by receiving a voltage, so that an external user can visually confirm that the ion generator 200 is operating. . In addition, the light emitting circuit 281 may be fixed to the first curved portion 231 by being inserted into both side surfaces of the fitting grooves 233c respectively formed in the second rib 233b.

The diffusion part 282 is made of a transparent material, so that light generated from the light emitting circuit 281 can be uniformly emitted through the diffusion part 282 . In detail, the diffusion part 282 is disposed to shield the light emitting hole 231c, so that the light emitted in the direction of the light emitting hole 231c can be emitted to the outside through the diffusion part 282 .

In addition, the diffusion part 282 is coupled to the diffusion plate 252a having the shape of a plate 274g for shielding the light emitting sphere 231c and protruding upward from the diffusion plate 252a to be coupled to the second case body. It may include a coupling plate (252b) for.

In this case, a coupling groove of the diffusion unit 282 for fitting and coupling the coupling plate 252b of the diffusion unit 282 may be disposed in the light emitting unit accommodation space 310 of the lower surface of the second case body. Both side ends of the coupling plate 252b of the diffusion unit 282 are fitted into the coupling grooves of the diffusion unit 282, so that the diffusion plate 252a can be fixed to the second case body.

A portion of the installation space in which the second case body is formed except for the light emitting unit accommodating space 310 may be defined as an ion generating unit accommodating space 320 in which the ion generating unit 250 is accommodated.

One or more guide devices 234 and 235 protruding downward from the lower surface of the second case body and extending laterally may be disposed in the ion generator accommodating space 320 .

In detail, the guide devices 234 and 235 include a first guide device 234 disposed on the front side of the ion generating unit accommodating space 320 and a second guide device disposed on the rear side of the ion generating unit accommodating space 320 ( 235) may be included.

The first guide device 234 may be disposed to extend laterally from the front side of the ion generator accommodating space 320 . In detail, the first guide device 234 includes a first guide rib 234a that extends laterally and contacts the upper surface of the circuit case 252, and a first guide rib 234a that protrudes downward from one end of the first guide rib 234a. The first protruding rib 234b and the second protruding rib 234c are separated from the other end of the first guide rib 234a by a predetermined distance and protrude downward to have the same height as the first protruding rib 234b. can include

In this case, the distance L1 between the first protruding rib 234b and the second protruding rib 234c may be greater than the distance between both side ends of the upper surface of the circuit case 252 . Accordingly, the circuit case 252 is pushed in a state in which it is tilted between the first protruding rib 234b and the second protruding rib 234c, thereby preventing the first protruding rib 234b and the second protruding rib 234b. The circuit case 252 may be disposed between the ribs 234c.

In addition, a cable necessary for circuit configuration, for example, a cable connected from the circuit 251 to the main circuit inside the indoor unit is provided between the spaced apart space between the first guide rib 234a and the second protruding rib 234c. can pass

The second guide device 235 may be disposed to extend laterally from the rear side of the ion generator accommodating space 320 . In this case, the second guide device 235 may be spaced apart from the first guide device 234 rearward by a predetermined interval and have a shape symmetrical to the first guide device 234 . In this case, the length of the separation space between the first guide device 234 and the second guide device 235 is preferably shorter than the length from the front end to the rear end of the circuit case 252 .

In detail, the second guide device 235 includes a second guide rib 235a extending laterally and contacting the upper surface of the circuit case 252, and a protruding downward from one end of the second guide rib 235a. The fourth protruding rib 235c is separated from the other end of the third protruding rib 235b and the second guide rib 235a by a predetermined distance and protrudes downward to have the same height as the third protruding rib 235b. can include

In this case, the distance between the third protruding rib 235b and the fourth protruding rib 235c may be greater than the distance L2 between both side ends of the upper surface of the circuit case 252 . Accordingly, the third protruding rib 235b and the fourth protruding rib 235b and the fourth protruding rib 235b are pushed by pushing the circuit case 252 in a state of being tilted between the third protruding rib 235b and the fourth protruding rib 235c. The circuit case 252 may be disposed between the ribs 235c.

In addition, a cable required for circuit configuration may pass between the spaced apart space between the second guide rib 235a and the fourth protruding rib 235c.

One or more coupling openings 236a and 236b may be formed on the front and rear sides of the first curved portion 231 of the second case body. In detail, one or more first coupling openings 236a may be formed on the front side of the first curved portion 231, and one or more second coupling openings 236b may be formed on the rear side of the first curved portion 231. there is. In this case, the separation distance between the first coupling opening 236a and the second coupling opening 236b may be the same as the distance from the front end to the rear end of the circuit case 252 .

Accordingly, in order for the ion generator 250 to be disposed in the ion generator receiving space 320, the circuit case 252 is attached to the first guide device 234 and the second guide device 235. When fitted, the first coupling rib 252a formed in the circuit case 252 is fitted into the first coupling opening 236a, and the second coupling rib 252b is fitted into the second coupling opening 236b. ), the circuit case 252 can be firmly fixed to the second case body.

In addition, one or more first support ribs 237a protruding rearward from the rear surface of the first rib 233a of the receiving rib of the light emitting part 280 are disposed below the first coupling opening 236a. One or more second support ribs 237b protruding forward of the protruding surface protruding downward of the second case body may be disposed below the second coupling opening 236b.

In this case, the separation distance between the first coupling opening 236a and the first support rib 237a may be the same as the height of the front end of the circuit case 252, and the second coupling opening 236b and the first support rib 237a may be equal to each other. The separation distance between the two support ribs 237b may be the same as the height of the rear end of the circuit case 252 .

Accordingly, when the first coupling rib 252a and the second coupling rib 252b of the circuit case 252 are fitted into the first coupling opening 236a and the second coupling opening 236b, the circuit The lower part of the front end of the case 252 is supported by the first support rib 237a, and the lower part of the rear part is supported by the second support rib 237b, so that the ion generator 200 operates on the second case body. It may be firmly fixed to the first curved portion 231 .

In addition, a fastening means such as a screw or a screw may be coupled to one side of the first curved portion 231, in detail, to the remaining space except for the ion generating unit accommodating space 320 and the light emitting unit accommodating space 310. 2 fastening parts 238 may be disposed. A second fastening hole 238a is formed in the second fastening part 238, whereby the circuit case 252, the third case 270, and the second case 230 can be fixed to each other. . The fastening method will be described later.

A plurality of coupling grooves may be formed on the lower surface of the first curved portion 231 . In detail, a plurality of coupling grooves for coupling a plurality of coupling ribs of the third case 270 to be described later may be formed at the front and rear ends of the lower surface of the first curved portion 231 . The coupling relationship between the third case 270 and the second case 230 will be described later.

The extension part 232 may be disposed to extend downward from both side ends of the first curved part 231 .

In addition, one or more ion diffusion ports 239 may be formed in the extension part 232 . In detail, the ion diffusion hole 239 may be an opening through which the electrode cover 254 can be accommodated when the circuit case 252 is coupled to the first curved portion 231 . In this case, the ion-emitting hole 239 may include a circular opening, and the diameter of the ion-emitting hole 239 may be larger than that of the electrode cover 254 .

In this embodiment, the same number of ion diffusion ports 239 as the number of the electrode covers 254 is described, but it is described that the extension part 232 is formed, but it is not limited thereto, and according to the number of the electrode covers 254 The number of the ion diffusion ports 239 may also vary.

The electrode 253 covered by the electrode cover 254 may ionize air through the ion emission hole 239 through electric discharge.

The third case 270 is disposed on both ends of the body of the third case 270 forming the lower exterior of the ion generator 200 and the body of the third case 270, and the coupling frame 179 ) It may include a rotating part 274 coupled to be rotatable.

By the body of the third case 270, the ion emission port 239 and the filter assembly 120 may be spaced apart by a set distance. At this time, the set interval may be 20 mm or more. As the ion-emitting hole 239 and the filter assembly 120 are separated by 20 mm or more, ions emitted from the ion-emitting hole 239 are effectively diffused to both ends of the filter assembly 120.

The body of the third case 270 is disposed on the upper part of the third case 270 and has a second curved portion 271 having a certain curvature downward, and a lower portion of the rear side of the second curved portion 271. It may include a spacer 272 that extends to separate the second curved portion 271 from the filter assembly 120 .

The second curved portion 271 may have a curved shape having a predetermined curvature downward in a direction opposite to the first curved portion 231, and a first cable opening may be formed at a rear end thereof. In detail, a plurality of cables electrically connected to the light emitting part 280 and the ion generating device 200 may extend into the indoor unit through the first cable opening.

In addition, a plurality of coupling ribs 271a for coupling the plurality of coupling grooves 231b formed on the lower surface of the first curved portion 231 may be disposed on the second curved portion 271. In detail, a plurality of coupling ribs 271a are disposed at the front and rear ends of the upper surface of the second curved portion 271, and a plurality of coupling ribs 271a are formed on the lower surface of the first curved portion 231 of the second case 230. The coupling groove (231b) of can be fitted.

In addition, a third fastening part 276 may be disposed on the upper surface of the second curved part 271 . A third fastening hole 276a may be formed in the third fastening part 276 . In this case, when the second case 230, the ion generating unit 250, and the third case 270 are coupled, the second fastening part 238 formed in the second case 230 The fastening hole 238a, the first fastening hole 258a of the first fastening part 258 formed in the ion generating unit 250, and the third fastening hole 276a formed on the third case 270 are sequentially formed. can communicate The second case 230, the ion generating unit 250, and the third case 270 may be firmly fixed by coupling screws, such as screws, to the communicating fastening holes.

The separation portion 272 may extend downward from the rear end of the lower surface of the second curved portion 271 . In detail, the spaced portion 272 may have a second cable opening communicating with the first cable opening formed in the second curved portion 271 . Since the first cable opening and the second cable opening communicate with each other, the communicating opening may be defined as the cable opening 273 .

The separation part 272 may include a shielding part 272b for shielding the first cable opening from being visible from the outside, and a communication part 272a extending downward from the rear side of the lower surface of the shielding part 272b. .

In addition, the rotating part 274 may be disposed on both side surfaces of the communication part 272a, respectively. In detail, the rotation unit 274 is a means capable of rotating the ion generator 200 by being coupled to the rotation protrusion formed on the coupling frame 179 .

The rotating part 274 is disposed on the side surface of the third case 270, in detail, on the plate 274g protruding from the side surface of the communication part 272a, and on the rear side of the protruding side surface of the plate 274g to perform the rotation. One or more rotational grooves 274a and 274b coupled to the protrusion 179c and the ion generating device 200 are disposed on the front side of the side surface of the plate 274g spaced forward by a predetermined distance from the rotational grooves 274a and 274b. It may include limiting protrusions 274c and 274d that limit the rotation angle of the.

The plate 274g may be a protruding surface that protrudes from the side surface of the communication part 272a at a predetermined interval and has a surface parallel to the side surface of the communication part 272a.

The rotation grooves 274a and 274b are means that can be rotatably fitted into the rotation protrusion 179c formed on the first coupling frame 179a. In detail, the rotation grooves 274a and 274b may be disposed on the rear side of the plate 274g.

In addition, the rotation grooves 274a and 274b may include a first rotation groove 274a and a second rotation groove 274b.

The first rotational groove 274a may be formed on a lower rear side of the side of the plate 274g, and the second rotational groove 274b may be formed on an upper rear side of the side of the plate 274g. The reason why the first rotational groove 274a and the second rotational groove 274b are formed is to meet the standard according to the type of indoor unit coupled to the ion generator, and the number of the rotational grooves 274a and 274b It should be noted that is not limited to two, and may be one or three or more.

As the first rotational groove 274a and the second rotational groove 274b are formed, the ion generating device 200 can be compatible with and installed in different indoor units.

In addition, a part of the plate 274g disposed on the upper circumference of the second rotation groove 274a may further protrude laterally. In detail, the plate 274g may further include a reinforcing protrusion 274e disposed above the second rotational groove 274a and further protruding laterally. The reinforcing protrusion 274f reinforces the tension of the plate 274g, so that the rotational protrusion 179c is rotatably fitted into the rotation grooves 274a and 274b. There is an effect of preventing the lifting phenomenon between the side and the first coupling frame (179a).

In addition, a portion of the plate 274g disposed on the lower circumference of the second rotation groove 274a may be recessed laterally. In detail, the plate 274g may include a recessed portion 274f in which a portion of the lower circumference of the second rotation groove 274a is laterally recessed.

Accordingly, some of the circumferences of the second rotational groove 274a have a lower height than other circumferences, and accordingly, the rotational protrusion 179c can be easily mounted on the second rotational groove 274g. There is an effect.

The limiting protrusions 274c and 274d may be disposed on the front side of the side of the plate 274g. In detail, the limiting protrusions 274c and 274d include a first limiting protrusion 274d protruding from the upper front side of the side surface of the plate 274g and a second limiting protrusion 274c protruding from the lower front side of the side surface of the plate 274g. can include

In this case, the first limiting protrusion 274d and the second limiting protrusion 274c may be spaced apart from each other by a set interval. Accordingly, the rotation angle of the rotating part 274 may be determined according to the set distance between the first limiting protrusion 274d and the second limiting protrusion 274c.

The first limiting protrusion 274d has a shape protruding outward from the front side of the plate 174g, the upper surface of the protruding surface may be inclined downward, and the lower surface of the protruding surface may be inclined upward. It can be.

Since the second limiting protrusion 274c also has the same shape as the first limiting protrusion 274d, a redundant description thereof will be omitted.

In addition, shield ribs 275 having a shape protruding in the sideways may be formed on both side surfaces of the third case 270, respectively.

In detail, one end of the shielding rib 275 protrudes outward from the side surface of the spacer 272, and the front end extends from the upper end of the rotating part 274 and is bent downward at the rear end of the side surface of the spacer 272. It can be.

The space formed between the ion generator 200 and the coupling frame 179 is shielded by the protruding surface of the shielding rib 275, so that the space between the ion generator 200 and the coupling frame 179 is shielded. There is an effect of preventing dust from entering the space formed in the.

Below, the rotation of the ion generating device to the coupling frame will be described in detail.

15 is a perspective view of the indoor unit of the air conditioner showing rotation of the ion generator, FIG. 16 is a side view of the indoor unit of the air conditioner showing rotation of the ion generator, and FIG. 17 is a side view of the indoor unit of the air conditioner showing the rotation of the ion generator. FIG. 18 is a perspective view showing a state in which the ion generator is rotated upward with respect to the coupling frame.

Referring to FIGS. 15 to 18 , the ion generator 200 may be rotatably disposed to reciprocate upward or downward while being fitted to the coupling frame 179 . In this case, the rotation angle of the ion generating device 200 may be limited to a predetermined angle or less.

In this embodiment, for the case where the rotation protrusion 179c of the coupling frame 179 is rotatably coupled to the second rotation groove 274b formed in the rotation part 274 of the ion generator 200 However, it should be noted that the same can be applied even when the rotation protrusion 179c is inserted into the first rotation groove 274a.

When the rotating protrusion 179c of the coupling frame 179 is coupled to the second rotating groove 274a of the ion generating device 200, the ion generating device 200 rotates the rotating protrusion 179c as a rotation shaft. It can be rotated by

First, a state in which the ion generating device 200 is disposed during operation of the indoor unit will be reviewed.

Referring to FIG. 17, the first coupling frame 179a is disposed on the plate 274g in a state where the second rotation groove 274b is inserted into the rotation protrusion 179c of the first coupling frame 179a. is disposed on the upper side of the first limiting protrusion 274d, so that the lower surface of the first coupling frame 179a is supported on the upper surface of the first rotational protrusion 274d.

In this state, when the ion generating device 200 is operated, the air above the filter assembly 120 is ionized, and thus, the filter assembly 120 is charged with foreign substances in the air and collected.

Next, a configuration of rotating the ion generator 200 upward to replace the filter assembly 120 will be described.

Referring to FIG. 18 , the ion generating device 200 may rotate upward with respect to the coupling frame 179 . In detail, the ion generating device 200 may rotate upward with the rotating protrusion 179c of the coupling frame 179 inserted into the second rotational groove 174b of the ion generating device 200 .

In addition, during the rotation process, the first coupling frame 179a passes while being in contact with the upper and lower surfaces of the first limiting protrusion 274d, and the upper and lower surfaces of the second limiting protrusion 274c also pass through. 1 coupling frame (179a) passes while contacting.

Accordingly, the upper surface of the first coupling frame 179a is in contact with the lower surface of the second limiting protrusion 274c, and the first coupling frame 179a supports the rotating part 274.

Also, during the rotation process, the ion generator 200 may rotate by the distance between the upper surface of the first limiting protrusion 274d and the lower surface of the second limiting protrusion 274c. That is, the rotation distance of the ion generator 200 may be the distance between the upper surface of the first limiting protrusion 274d and the lower surface of the second limiting protrusion 274c.

Accordingly, the rotation distance of the ion generator 200 may be limited, and the rotation angle of the ion generator 200 may also be limited.

When the ion generator 200 rotates upward, the user can easily separate the filter assembly 200 from the casing 100 so that the filter assembly 200 does not interfere with the ion generator 200, or There is an effect of easily coupling the filter assembly 200 to the casing 100 .

Claims (13)

A casing including a front portion, a side portion, and a rear portion coupled to a wall;
a coupling frame disposed between the front part and the rear part;
a filter assembly coupled to an upper portion of the casing and filtering air;
a discharge unit disposed below the casing and discharging air that has passed through the filter assembly; and
An ion generator disposed in the upper center of the filter assembly and generating ions by ionizing molecules in the air by discharging air by applying a high voltage,
The ion generator is rotatably disposed with one side of the coupling frame as a rotation axis,
The indoor unit of the air conditioner, characterized in that the filter assembly is disposed between the coupling frame and the ion generator.
According to claim 1,
The filter assembly is separable from the casing without interfering with the ion generating device when the ion generating device rotates upward.
According to claim 1,
The ion generator,
an ion generator for ionizing molecules in the air by applying a voltage to both sides; and
A case in which the ion generating unit is disposed inside and ion emission ports are formed on both sides of the case;
The indoor unit of an air conditioner, characterized in that the case is rotatably coupled to the coupling frame.
According to claim 3,
The coupling frame,
Two first coupling frames extending forward from the top of the rear portion; and
And a second coupling frame extending the front ends of the two first coupling frames,
An indoor unit of an air conditioner, characterized in that each of the two first coupling frames has a rotating protrusion protruding in a direction facing each other.
According to claim 4,
The ion generator,
The indoor unit of the air conditioner further includes a rotating part disposed below the case and rotatably coupled to the rotating protrusion.
According to claim 5,
the rotating part,
Plates arranged in parallel on both sides of the lower portion of the case, respectively;
a rotating groove disposed on the rear side of the plate and into which the rotating protrusion is rotatably fitted; and
An indoor unit of an air conditioner comprising a limiting protrusion disposed on a front side of the side of the plate and limiting a rotation angle by interfering with the first coupling frame.
According to claim 6,
The limiting protrusion,
a first limiting protrusion disposed on an upper portion of the front side of the plate; and
And a second limiting protrusion disposed on the lower part of the front side of the plate,
The first limiting protrusion and the second limiting protrusion,
an upper surface inclined downward from the side of the plate; and
The indoor unit of an air conditioner comprising a lower surface inclined upward from a side surface of the plate and extending from the upper surface.
According to claim 7,
The indoor unit of an air conditioner according to claim 1 , wherein an upper surface of the first coupling frame supports a lower surface of the second limiting protrusion when the ion generating device rotates upward.
According to claim 7,
When the ion generating device rotates downward, the lower surface of the first coupling frame is supported on the upper surface of the first limiting protrusion.
According to claim 7,
The rotation distance of the ion generating device is a distance from an upper surface of the first limiting protrusion to a lower surface of the second limiting protrusion.
According to claim 6,
The rotation groove,
a first rotational groove disposed on the lower side of the rear side of the plate; and
An indoor unit of an air conditioner comprising a second rotational groove disposed on an upper portion of a side surface of the plate.
According to claim 11,
The indoor unit of an air conditioner, characterized in that the rotating protrusion is selectively coupled to the first rotating groove or the second rotating groove.
According to claim 5,
The indoor unit of the air conditioner further includes a shielding rib protruding outward from a side surface of the rotating part and shielding a space between the rotating part and the first coupling frame.

Images