KR101690885B1 - Indoor unit for air conditoiner - Google Patents

Indoor unit for air conditoiner Download PDF

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Publication number
KR101690885B1
KR101690885B1 KR1020150109175A KR20150109175A KR101690885B1 KR 101690885 B1 KR101690885 B1 KR 101690885B1 KR 1020150109175 A KR1020150109175 A KR 1020150109175A KR 20150109175 A KR20150109175 A KR 20150109175A KR 101690885 B1 KR101690885 B1 KR 101690885B1
Authority
KR
South Korea
Prior art keywords
inner case
drain pan
pan assembly
cabinet
panel
Prior art date
Application number
KR1020150109175A
Other languages
Korean (ko)
Inventor
최병걸
김영중
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020150109175A priority Critical patent/KR101690885B1/en
Priority to CN201610591320.8A priority patent/CN106403016B/en
Priority to EP16181630.1A priority patent/EP3124888B1/en
Priority to ES16181630T priority patent/ES2746151T3/en
Priority to US15/223,201 priority patent/US10054320B2/en
Application granted granted Critical
Publication of KR101690885B1 publication Critical patent/KR101690885B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

According to an embodiment of the present invention, an indoor unit for an air conditioner comprises: an out plate forming an exterior of a cabinet installed on a ceiling of an indoor space; an inner case which is accommodated inside the out plate, and forms an internal space of the cabinet; a blowing fan disposed inside the inner case; a heat exchanger arranged to enclose the outside of the blowing fan; a drain fan assembly which is seated on an upper end of the inner case, and collects condensate water produced by the heat exchanger; and a panel which shields the cabinet on an upper end of the drain fan assembly, and has an inlet into which indoor air is sucked and a panel outlet from which heat-exchanged air is discharged. A dented unit is formed on the drain fan assembly by denting both sides of the drain fan assembly towards a center. An extension unit is formed on the inner case and extended from both ends of a bottom portion forming a bottom surface of the inner case to the upper end of the drain fan assembly. The extension unit is mounted on one dented side of the dented unit to form the dented unit and an outlet. The outlet and the panel outlet are vertically arranged.

Description

Indoor unit for air conditioner < RTI ID = 0.0 >

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

In general, an air conditioner is a cooling / heating system for cooling or heating a city by an operation of sucking indoor air and exchanging heat with coolant of low or high temperature and discharging it to the room, And a valve-evaporator.

Particularly, the air conditioner mainly comprises an outdoor unit (also referred to as an 'outdoor side' or a 'heat radiating side') installed in an outdoor space and an indoor unit (also referred to as an 'indoor side' or ' A condenser (outdoor heat exchanger) and a compressor are installed in the outdoor unit, and an evaporator is installed in the indoor unit (indoor heat exchanger).

As is well known, the air conditioner can be broadly divided into a separate type air conditioner in which an outdoor unit and an indoor unit are separated from each other, and an integral type air conditioner in which an outdoor unit and an indoor unit are integrally installed. In consideration of installation space and noise, Harmonics are preferred.

In the multi-type air conditioner of the separate type air conditioner, a plurality of indoor units are connected to one outdoor unit, and the indoor units are installed in the room for air conditioning, thereby providing a plurality of air conditioners.

Among indoor units of the multi-type air conditioner, indoor units of a cassette type air conditioner installed in the ceiling of the indoor space for cooling and heating the indoor space are widely used.

A typical configuration of such a cassette type air conditioner is disclosed in Korean Patent Laid-Open No. 10-2009-0074374.

Korean Patent Laid-Open Publication No. 10-2009-0074374 discloses a drain pan having a case inside a cabinet installed on a ceiling and being coupled to the case and having a panel discharge port. The panel discharge port is formed such that an outer side of the drain pan is open, and the upper end of the case and the outer lower end of the drain pan are in contact with each other when the drain pan is installed.

Therefore, when the air is discharged through the panel discharge port, a portion of the outer bottom of the drain pan that is in contact with the upper end of the case is exposed in a path through which the air flows, and vibrations and shudder occur when the air flows toward the joints. There is a problem that noise is generated.

In addition, the outer surface of the drain pan is formed to have a thin thickness by the formation of the panel discharge port, and thus, there is a problem that the drain pan may be damaged during the assembly process or due to vibrations during air flow.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an indoor unit of an air conditioner capable of reducing noises and vibrations during discharge of air and improving the strength of a drain pan assembly by preventing junction portions exposed to a panel discharge port side from occurring.

An indoor unit of an air conditioner according to an embodiment of the present invention includes an out plate that forms an appearance of a cabinet installed in a ceiling of an indoor space; An inner case housed inside the out plate and forming an inner space of the cabinet; A blowing fan provided inside the inner case; A heat exchanger arranged to surround the outside of the blowing fan; A drain pan assembly mounted on an upper end of the inner case and collecting condensed water generated in the heat exchanger; And a panel that shields the cabinet from the upper end of the drain pan assembly and has a suction port through which indoor air is sucked and a panel discharge port through which heat exchanged air is discharged, wherein the drain pan assembly includes: A seat portion extending from both ends of the seat; And a concave portion formed on both sides of the drain pan assembly and being recessed toward the center between the seating portions, wherein the inner case extends from both ends of the bottom portion forming the bottom of the inner case to an upper end of the drain pan assembly And an extension portion coupled to a depressed side of the depression to form a discharge port arranged in the vertical direction with respect to the panel discharge port, wherein both side ends of the extended portion and the depressed side of the depression have mutually corresponding inclined surfaces, And are slidably brought into close contact with each other when they are mounted.

delete

Both side ends of the extended portion and the recessed side of the depressed portion have slopes corresponding to each other, and are slidably brought into close contact with each other when the drain pan assembly is mounted.

And the extended portions are formed so that the widths of both side ends become narrower toward the upper side.

A recessed extension groove is formed at an upper end of the extended portion and a restraint piece is formed at an upper end of the out plate to be bent inside the extended portion groove to restrain the inner case.

And a pair of stepped portions are formed on the upper end of the inner case so as to be stepped lower than the height of the extended portion in the both side chambers of the extended portion.

And the pair of stepped portions are formed to have different widths.

And the at least one stepped portion of the pair of stepped portions provides a space in which a control box for controlling the driving of the indoor unit is disposed.

According to the present invention having the above-described configuration, the following effects can be expected.

First, a discharge port through which the heat-exchanged air is discharged is formed by the combination of the inner case and the drain pan. In particular, the outer surface of the drain pan has a recessed shape for forming the discharge port. Therefore, the portion where the strength is weak to form the discharge port is eliminated, and the durability can be improved.

Secondly, the outer end of the discharge port is formed by the extended portion, and the extended portion extends to the opened upper end of the cabinet, so that there is no joint portion on the path through which the discharged air flows, It is possible to expect an effect that can be prevented. Further, the sealing performance can be improved by omitting the joining portion, and the effect of further improving the heat insulating property can be expected.

Third, when the drain pan assembly is mounted, the seating portion is configured to be fitted and seated in the stepped portion, and the inclined surfaces are formed in the mounting direction so that the drain pan assembly is formed when the drain pan assembly is assembled. There is an advantage that the inner case can be easily engaged and can be brought into close contact with each other.

1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention.
2 is an exploded perspective view of the indoor unit.
3 is a plan view of the drain pan assembly according to the embodiment of the present invention.
4 is a perspective view of an inner case according to an embodiment of the present invention.
5 is a perspective view of the drain pan assembly.
6 is a side view showing a coupling structure of the inner case and the drain pan assembly.
7 is a perspective view of the inner case and the drain pan assembly separated from each other.
8 is a perspective view of the inner case and the drain pan assembly coupled to each other.
9 is a view showing a state in which air is discharged from the indoor unit.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, it should be understood that the present invention is not limited to the embodiment shown in the drawings, and that other embodiments falling within the spirit and scope of the present invention may be easily devised by adding, .

1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention. 2 is an exploded perspective view of the indoor unit.

As shown in the drawings, an indoor unit 1 of an air conditioner according to an embodiment of the present invention (hereinafter referred to as "indoor unit") includes a cabinet 10 inserted into a ceiling of an indoor space as a whole, And a panel 20 and a suction grille 21 which are exposed to the lower side of the ceiling when the indoor unit is installed.

In the cabinet 10, a heat exchanger 30 for heat exchange with air to be sucked, a blowing fan 40 for forced suction and discharge of indoor air, and air sucked toward the blowing fan 40 A drain pan assembly 60 for collecting the condensed water generated in the heat exchanger 30, and a condensate pump 70 for discharging the collected condensed water to the outside.

The panel 20 may be mounted on the lower end of the cabinet 10 and may have a substantially rectangular shape when viewed from below. The panel 20 may be configured to protrude outwardly from the lower end of the cabinet 10 so that the periphery thereof contacts the lower surface of the ceiling.

The panel 20 may be formed with a panel discharge port 22 serving as an outlet for air discharged through the cabinet 10. The panel ejection openings 22 may be formed on opposite sides of the panel 20 and may be formed at positions corresponding to the outer ends of the cabinet 10. The panel discharge port 22 may be formed to be long along the longitudinal direction of the panel 20 and may be configured to be opened or closed by a vane 23 mounted on the panel 20.

A suction grille 21 is mounted at a central portion of the panel 20 to form a part of the bottom surface of the indoor unit 1. The suction grille 21 is positioned between the pair of the panel discharge openings 22 and may be formed in a plate shape capable of shielding the opening of the center of the panel 20.

The suction grille 21 forms a passage for air flowing into the indoor unit 1. That is, at least a part of the suction grille 21 may be formed in a grill or lattice shape so that indoor air can flow smoothly.

3 is a plan view of the drain pan assembly according to the embodiment of the present invention.

As shown in the drawing, the cabinet 10 may include an outer plate 11 forming an outer appearance and an inner case 12 provided inside the outer plate 11. As shown in FIG.

The out plate 11 may be configured to form an outer appearance of the cabinet 10 in which a plate-shaped steel material is opened. The out plate 11 may be formed by combining the structures forming each surface, and may be formed by bending the at least one surface.

The inner case 12 is formed on the inner surface of the outboard plate 11. The inner case 12 may be formed of a heat insulating material such as EPS (Expended Polystyrene) to insulate the inside of the cabinet 10 and prevent noise vibration. The inner case 12 is in close contact with the outboard plate 11 to form a shape inside the cabinet 10 and a surface in contact with the panel 20 may be completely opened.

The inner space of the inner case 12 is provided with the blowing fan 40 and the heat exchanger 30 may be disposed around the blowing fan 40. The heat exchanger 30 is disposed along the inner surface of the inner case 12 so as to be spaced apart from the wall surface of the inner case 12 and the blowing fan 40.

Therefore, the air sucked in the axial direction of the blowing fan (40) is discharged while being rotated in the circumferential direction of the blowing fan (40) and can be exchanged with the refrigerant while passing through the heat exchanger (30).

A drain pan assembly (60) is mounted on the opened surface of the cabinet (10) to shield the opened surface of the cabinet. The drain pan assembly (60) is mounted on the upper end of the inner case (12).

The discharge port 13 can be defined on both sides of the cabinet 10 by mounting the drain pan assembly 60. [ The discharge port 13 is a passage through which the heat exchange air blown by the blowing fan 40 is discharged and communicated with each other at a position corresponding to the panel discharge port 22 so that the heat exchanged air is discharged from the discharge port 13, And the discharge port 22 in order.

That is, the discharge port 13 may be formed by the coupling of the inner case 12 and the drain pan assembly 60, so that a part of the discharge port 13 is formed by the inner case 12 And the remaining part is formed by the drain pan assembly 60.

Hereinafter, the structure of the inner case 12 and the drain pan assembly 60 will be described in more detail.

4 is a perspective view of an inner case according to an embodiment of the present invention. 5 is a perspective view of the drain pan assembly. 6 is a side view showing a coupling structure of the inner case and the drain pan assembly.

The inner case 12 may be formed in a single configuration, and the inner case 12 may be formed in a single configuration. Of course, the inner case 12 may be formed to have a plurality of surfaces coupled to each other. At this time, the inner case 12 may have at least two surfaces on which the discharge ports 13 are formed.

The inner case 12 may include a bottom portion 121 forming a bottom surface of the inner case 12 and a peripheral portion 122 extending at a predetermined height along the periphery of the bottom portion 121 have. A case hole 121a is formed in the bottom 121 so that the blowing fan 40 can be fixed to the bottom surface of the outboard 11. A mounting guide portion 121b, which guides the mounting position of the heat exchanger 30 in contact with the inner surface of the heat exchanger 30, may be protruded.

4, the circumferential portion 122 of the inner case 12 is formed so that the height of the front and rear surfaces is higher than the height of the left and right side surfaces. At this time, the front and rear surfaces of the peripheral portion 122, which are high in height, may extend to the upper end of the cabinet 10.

 A stepped portion 123 is formed at the left and right side ends of the peripheral portion 122 of the inner case 12. The stepped portion 123 may be recessed downward so that both sides of the drain pan assembly 60 can be seated. The stepped portion 123 is formed to correspond to the seating portion 613 of the drain pan assembly 60.

The height of the stepped portion 123 may be the same as the height of both the left and right side surfaces of the peripheral portion 122 so that the upper end of the stepped portion 123 is continuous with both left and right side surfaces of the peripheral portion 122 As shown in FIG. The seating portion 613 of the drain pan assembly 60 may be supported by the upper ends of the left and right side surfaces of the step portion 123 and the peripheral portion 122.

The stepped portion 123 on one side of the stepped portions 123 on both sides of the left and right sides may be formed to be wider than the stepped portion 123 on the other side and the control for controlling the driving of the indoor unit 1 Thereby providing a space in which the box 80 can be placed. Also, the drain pan assembly 60, which is formed with the inner case 12 due to the difference in the width of the stepped portion 123, is also different in the shape of both the right and left sides, So that it is prevented from being assembled again.

The pair of stepped portions 123 are naturally protruded upward to form the extended portion 124. The extension portion 124 extends to an end of the out plate 11, that is, an open end of the cabinet 10, and forms one end of the discharge port 13.

An extending portion groove 124a may be formed at the upper end of the extending portion 124. A restraint piece 111 extending from the out plate 11 is bent in the extending portion groove 124a, So that the inner case 12 can be fixedly mounted on the inner side of the outboard plate 11 while being accommodated in the inner groove 124a.

On the other hand, at the left and right ends of the extension portion 124, a case inclined surface 125 is formed. The case inclined surface 125 is connected to the stepped portion 123 and is inclined toward the outside toward the downward direction. The line formed by the extended portion 124 and the stepped portion 123 may be formed in close contact with the seating portion 613 of the drain pan assembly 60.

The drain pan assembly 60 includes a body 61, a fan plate 62 forming a surface facing the inner side of the inner case 12, an air guide 50 mounted at the center of the body 61, ≪ / RTI >

The body 61 may be formed of the same material as the inner case 12, and the inside of the cabinet 10 may be insulated. The body 61 forms an overall shape of the drain pan assembly 60.

5) for guiding electric wires connected to electrical components in the cabinet 10, such as the blowing fan 40 and a temperature sensor (not shown), are provided on the upper surface of the body 61 (611) may be formed. The air guide 50 having the orifice 51 may be seated in the center of the body 61.

The fan plate 62 is provided on a lower surface of the body 61. The fan plate 62 receives the lower portion of the body 61 and forms the entire bottom surface of the drain pan assembly 60. Although not shown, the fan plate 62 may be formed with a space for collecting condensed water, and may be formed to accommodate the end portion of the heat exchanger 30.

The fan plate 62 may be formed of a plastic material and may have a structure in which the body 61 is press-fitted or bonded to the fan plate 62 after the molding. In addition, the fan plate 62 may be formed by injection molding when the body 61 is molded. If necessary, the fan plate 62 and the body 61 may be integrally formed of the same material.

In addition, depressions 612 recessed inwardly may be further formed at portions of the drain pan assembly 60 corresponding to the extension portions 124. The depressed portion 612 may have a shape recessed in a direction perpendicular to the extending direction of the extending portion 124. The depression 612 may be defined by a seating portion 613 extending from both ends of the drain pan assembly 60. [

Both ends of the extension portion 124 contact the both sides of the depression 612 when the inner case 12 and the drain pan assembly 60 are coupled to each other so that the depression 612 forms the discharge port 13 do. That is, the open side of the depression 612 is shielded by the extended portion 124 to form the discharge port 13.

In more detail, the seating portion 613 is formed in a shape that can be formed with the stepped portion 123. For this, a fan inclined surface 614 having a slope corresponding to the case inclined surface 125 is formed on a surface of the seating portion 613. Therefore, when the drain pan assembly 60 is mounted, the seating portion 613 is seated on the stepped portion 123, and the case inclined surface 125 and the fan inclined surface 614 can be formed with each other. At this time, the case inclined surface 125 is formed so as to be further outward as it goes downward, so that it can be naturally formed and hermetically sealed when the drain pan assembly 60 is mounted. The distance between the seating portions 613 corresponds to the lateral length of the extending portion 124 so that both ends of the extending portion 124 are respectively in contact with the seating portions 613 on both sides.

On the other hand, a box receiving groove 615 for mounting the control box 80 is formed on one side of the drain pan assembly 60. The box receiving groove 615 is also formed to be recessed inwardly. When the drain pan assembly 60 is mounted, the portion opened by the out plate 11 is shielded to receive the control box 80 Thereby forming a space that can be opened.

Hereinafter, an assembly process of the indoor unit having the above-described structure will be described.

7 is a perspective view of the inner case and the drain pan assembly separated from each other. 8 is a perspective view of the inner case and the drain pan assembly coupled to each other.

The inner case 12 is mounted on the inner side of the out plate 11 forming the outer appearance and the ventilation fan 40 and the fan motor (not shown), the heat exchanger 30, the control box 80 Is mounted on the inner side of the inner case (12).

In addition, the drain pan assembly 60 is mounted in a state where all the components inside the cabinet 10 are disposed. The drain pan assembly 60 can be seated on the upper end of the inner case 12. [

The seating portion 613 of the drain pan assembly 60 is seated on the stepped portion 123 of the inner case 12 when the drain pan assembly 60 is seated. When the drain pan assembly 60 is seated on the upper end of the inner case 12, the fan inclined surface 614 and the case inclined surface 125 are completely tightly sealed to each other.

The upper end of the extension part 124 is positioned on the same plane as the upper surface of the drain pan assembly 60. [ The discharge port 13 may be formed when the inner case 12 and the drain pan assembly 60 are coupled to each other. The extended portion 124 extends to the upper end of the out plate 11, 13, there is no joint for sealing.

Hereinafter, the air flow of the indoor unit according to the embodiment of the present invention will be described.

9 is a view showing a state in which air is discharged from the indoor unit.

As shown in the figure, when the operation of the indoor unit 1 is started, the blowing fan 40 is rotated by the driving of a fan motor (not shown). The air in the indoor space is sucked to the center side of the blowing fan 40 through the suction grille 21 by the rotation of the blowing fan 40 and the sucked air is rotated in the circumferential direction of the blowing fan 40 Exchanged with the heat exchanger 30, and then discharged through the panel discharge port 22 into the indoor space.

The air discharged by the blowing fan 40 is discharged while being rotated and flows along the wall surface of the inner case 12 after passing through the heat exchanger 30 to be directed to the discharge port 13.

(122) of the inner case including the extended portion (124) without a separate joint in a direction in which air is discharged from the lower end to the upper end of the inner case (12) And can be discharged into the indoor space through the panel discharge port 22. [

Claims (8)

An out plate that forms an appearance of a cabinet installed in a ceiling of an indoor space;
An inner case housed inside the out plate and forming an inner space of the cabinet;
A blowing fan provided inside the inner case;
A heat exchanger arranged to surround the outside of the blowing fan;
A drain pan assembly mounted on an upper end of the inner case and collecting condensed water generated in the heat exchanger; And
And a panel having a suction port through which the indoor air is sucked and a panel discharge port through which the heat exchanged air is discharged are formed at the upper end of the drain pan assembly,
The drain pan assembly includes:
A mounting portion extending from both ends of each of both side surfaces of the drain pan assembly;
And a depression formed on both sides of the drain pan assembly and depressed toward the center between the seating portions,
In the inner case,
And an extension part extending from both side ends of the bottom part forming the bottom surface of the inner case to an upper end of the drain pan assembly and coupled to a depressed side of the depressed part to form a discharge port arranged vertically with the panel discharge port,
Wherein both ends of the extended portion and the recessed side of the depressed portion have slopes corresponding to each other and are slidably brought into close contact with each other when the drain pan is mounted.
delete delete The method according to claim 1,
Wherein the extended portion is formed so that widths of both side ends thereof become narrower toward the upper side.
The method according to claim 1,
The extended portion groove is formed at the upper end of the extended portion,
Wherein the outboard plate is further provided with a restraint piece bent at an upper end thereof inwardly of the extended portion groove to restrain the inner case.
The method according to claim 1,
Wherein a pair of stepped portions are formed at the upper end of the inner case so as to be stepped lower than the height of the extending portion in both sides of the extended portion.
The method according to claim 6,
Wherein the pair of stepped portions are formed to have different widths.
8. The method of claim 7,
Wherein the at least one stepped portion of the pair of stepped portions provides a space in which a control box for controlling the driving of the indoor unit is disposed.
KR1020150109175A 2015-07-30 2015-07-31 Indoor unit for air conditoiner KR101690885B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020150109175A KR101690885B1 (en) 2015-07-31 2015-07-31 Indoor unit for air conditoiner
CN201610591320.8A CN106403016B (en) 2015-07-30 2016-07-25 The indoor unit of air conditioner
EP16181630.1A EP3124888B1 (en) 2015-07-30 2016-07-28 Indoor unit of air conditioner
ES16181630T ES2746151T3 (en) 2015-07-30 2016-07-28 Indoor air conditioning unit
US15/223,201 US10054320B2 (en) 2015-07-30 2016-07-29 Indoor device of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150109175A KR101690885B1 (en) 2015-07-31 2015-07-31 Indoor unit for air conditoiner

Publications (1)

Publication Number Publication Date
KR101690885B1 true KR101690885B1 (en) 2016-12-28

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KR1020150109175A KR101690885B1 (en) 2015-07-30 2015-07-31 Indoor unit for air conditoiner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928380A (en) * 2019-05-13 2020-11-13 浙江美尔凯特智能厨卫股份有限公司 Air conditioning system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1144433A (en) * 1997-07-24 1999-02-16 Hitachi Ltd Indoor unit and air conditioner employing same
KR20050113319A (en) * 2004-05-27 2005-12-02 삼성전자주식회사 Ceiling flush type air conditioner
KR20090011379A (en) * 2007-07-26 2009-02-02 삼성전자주식회사 Ceiling type air conditioner and assembly structure thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1144433A (en) * 1997-07-24 1999-02-16 Hitachi Ltd Indoor unit and air conditioner employing same
KR20050113319A (en) * 2004-05-27 2005-12-02 삼성전자주식회사 Ceiling flush type air conditioner
KR20090011379A (en) * 2007-07-26 2009-02-02 삼성전자주식회사 Ceiling type air conditioner and assembly structure thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928380A (en) * 2019-05-13 2020-11-13 浙江美尔凯特智能厨卫股份有限公司 Air conditioning system

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