CN116499030A - indoor unit - Google Patents

Abstract

The present invention provides an indoor unit capable of detaching and attaching an antibacterial agent unit and improving the supportability of the antibacterial agent unit. In the drainage passage (27b) of the drain pan (19) near the drain pan side blowing portion (26), the antimicrobial agent unit (40) is detachably configured, and the antimicrobial agent unit (40) is equipped with an accommodating portion ( 41) and the mounting plate member (54), the receiving part (41) is in contact with the wall surface of the drain pan side blowing part (26) of the drain pan (19), and the receiving part (41) is installed on the drain pan (19) When making the installation plate member (54) along the wall surface of the drain pan side blowing part (26) and the bottom surface of the frame, the installation plate member (54) is fixed on the bottom surface of the frame.

Description

indoor unit

technical field

The invention relates to an indoor unit.

Background technique

Patent Document 1 discloses a technique in which the antimicrobial agent unit has: a storage portion for accommodating the antibacterial agent; a fixing portion integrally provided in the storage portion and extending in the horizontal direction; and a fixing portion integrally provided with the fixing portion and extending downward The extended vertical portion arranges the antibacterial agent unit near the suction port, and the storage portion, the fixing portion, and the vertical portion sandwich the wall surface in the suction port, thereby fixing the antibacterial agent unit.

prior art literature

patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2013-079790

Contents of the invention

The problem to be solved by the invention

The present invention provides an indoor unit capable of detaching and attaching an antibacterial agent unit and improving the supportability of the antibacterial agent unit.

method used to solve the problem

In order to achieve the above objects, the indoor unit of the present invention has a frame body, a drain pan provided on the frame body, and an air outlet formed on the drain pan, and in this indoor unit, near the air outlet An antibacterial agent unit is detachably arranged in the drain channel of the drain pan, the antibacterial agent unit has a storage portion for storing the antibacterial agent and a mounting plate member, and the storage portion is in contact with the wall surface of the outlet of the drain pan. Next, when installing the storage unit on the drain pan, fix the mounting plate member in a state where the mounting plate member is along the wall surface of the blowing outlet and the bottom surface of the frame. on the bottom of the frame.

The effect of the invention

According to the present invention, the antimicrobial agent unit is inserted from below the panel-side air outlet and the drain pan-side blow-out portion, the storage portion is located inside the drain pan, and the mounting plate member is placed along the wall surface of the drain-pan side blow-out portion and the bottom surface of the frame. In the state where the mounting plate member is fixed to the bottom surface of the frame, the antimicrobial agent unit can be installed without removing the decorative plate.

Description of drawings

FIG. 1 is a cross-sectional view showing an internal structure of an indoor unit according to Embodiment 1. FIG.

Fig. 2 is a perspective view of the indoor unit according to Embodiment 1.

Fig. 3 is a plan view of the drain pan according to Embodiment 1 viewed from below.

FIG. 4 is an enlarged view of a part of FIG. 3 .

FIG. 5 is a perspective view showing an antibacterial agent unit according to Embodiment 1. FIG.

FIG. 6 is an exploded perspective view showing an antibacterial agent unit according to Embodiment 1. FIG.

Fig. 7 is a diagram viewed from below the indoor unit when the antimicrobial agent unit is installed.

Fig. 8 is a diagram viewed from above the drain pan when the antimicrobial agent unit is attached.

Fig. 9 is a perspective view showing a state in which an antimicrobial agent unit is attached.

Detailed ways

(Knowledge on which inventions are based, etc.)

When the inventors conceived the present invention, there was a technique of arranging the antimicrobial agent unit near the suction port, and fixing the antimicrobial agent unit by sandwiching the wall surface between the suction port by the storage portion, the fixing portion, and the vertical portion.

However, in the structure in which the wall surfaces are sandwiched by the antimicrobial agent unit as in the prior art, there is a problem that the support of the antimicrobial agent unit is insufficient. To solve this problem, the subject of the present invention is formed.

Therefore, the present invention provides an indoor unit in which an antimicrobial agent unit can be detached and the supportability of the antimicrobial agent unit is improved.

Embodiments will be described in detail below with reference to the drawings. However, unnecessary detailed explanations are sometimes omitted. For example, detailed explanations about known matters or actually repeated explanations of the same configuration are sometimes omitted. This is to avoid the following description from being too lengthy and to facilitate the understanding of those skilled in the art.

In addition, the drawings and the following descriptions are provided for those skilled in the art to fully understand the present invention, and are not intended to limit the scope of the present invention.

(Embodiment 1)

Next, Embodiment 1 will be described using the drawings.

(1-1. Structure)

(1-1-1. The overall structure of the indoor unit)

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

Fig. 1 is a cross-sectional view showing an internal structure of an indoor unit 10 of an air conditioner according to an embodiment of the present invention. FIG. 2 is a perspective view of the indoor unit 10 .

In addition, in the following description, up and down, inside and outside will be described based on the indoor unit 10 installed on the ceiling (ceiling wall/roof). In addition, the space where air-conditioned air is blown out is defined as a conditioned room.

The indoor unit 10 is installed in a ceiling space (ceiling space) 13 between a ceiling (ceiling/top) 11 of a building and a ceiling (ceiling) 12 provided below the ceiling 11 . The indoor unit 10 has an indoor unit main body 14 and a decorative panel 30 covering a lower opening of the indoor unit main body 14 .

The indoor unit main body 14 includes a substantially box-shaped frame body 15 whose lower surface is substantially open. The indoor unit main body 14 is equipped with inside the frame body 15: a thermal insulation member 16 made of foamed styrene, an indoor heat exchanger 17, a blower 18, a drain pan 19 for receiving the drainage of the indoor heat exchanger 17, and a suction to the blower. 18 bell mouth (bell mouth/socket/conical mouth/bell mouth/) 20 for rectification of air.

Hanging metal fittings 21 are attached to the corners of the outer surface of the frame body 15 . The indoor unit main body 14 is installed in a suspended state from the ceiling 11 by connecting a suspension metal fitting 21 to a suspension bolt 22 suspended from the ceiling 11 .

The decorative panel 30 is formed in a substantially quadrilateral plate shape in plan view (planar view) so as to cover the opening of the lower surface of the indoor unit main body 14 .

A panel-side suction port 31 communicating with the bell mouth 20 is formed at a central portion of the decorative panel 30 . A suction grill 32 covering the panel-side suction port 31 is detachably attached to the decorative panel 30 . A filter 33 for removing dust and the like in the air is provided on the indoor unit main body 14 side of the suction grill 32 .

On the outside of the panel-side suction port 31 of the decorative panel 30 and along each side of the outer peripheral portion of the decorative panel 30 , there are respectively formed panel-side outlets 34 for sending conditioned air to the room to be conditioned. That is, the panel side outlet 34 is provided along each side of the substantially quadrangular decorative panel 30 in plan view, and air is blown out from the panel side outlet 34 in four directions.

Air deflectors (wind flaps/dampers) 35 (refer to FIG. 2 ) capable of adjusting the blowing direction are respectively provided on the panel side blowing outlets 34 .

The heat insulating member 16 is provided on the inner surface of the side plate 15 a and the top plate 15 b of the frame body 15 , and prevents dew condensation from being generated in the frame body 15 .

The blower 18 includes a fan motor 23 and a centrifugal fan 24 . The fan motor 23 has a rotating shaft 23a extending downward, and the centrifugal fan 24 is fixed to the rotating shaft 23a. The fan motor 23 is arranged substantially at the center of the indoor unit 10 when viewed in plan, and is fixed to the top plate 15 b of the housing 15 .

The centrifugal fan 24 is provided with: a disc-shaped main board 24a fixed on the rotating shaft 23a; an annular shroud 24b arranged substantially coaxially with the main board 24a under the main board 24a; and a plurality of blades connecting the shroud 24b and the main board 24a. 24c. A plurality of blades 24c are arranged at intervals from each other in the circumferential direction of the main plate 24a.

The indoor heat exchanger 17 is formed by bending a plate-shaped heat exchanger into a substantially quadrangular shape in plan view so as to surround substantially the entirety of the air blower 18 from the side.

The indoor heat exchanger 17 functions as an evaporator of the refrigerant during the cooling operation, and functions as an evaporator of the refrigerant during the heating operation. The indoor heat exchanger 17 is configured to perform heat exchange between indoor air sucked into the interior of the indoor unit main body 14 and the refrigerant, to cool the air in the air-conditioned room during the cooling operation, and to heat the indoor air during the heating operation. Air.

FIG. 3 is a plan view of a drain pan of the indoor unit main body 14 viewed from below. FIG. 4 is an enlarged view of a part of FIG. 3 .

Drain pan 19 is disposed below indoor heat exchanger 17 so as to be able to receive drainage generated in indoor heat exchanger 17 . Drain pan 19 is made of foamed plastics.

As shown in FIG. 3 , the drain pan 19 is formed in a substantially rectangular plate shape so as to close substantially the entire opening of the lower surface of the housing 15 . The drain pan 19 is provided with a drain pan-side suction port 25 through which the air sucked into the blower 18 passes in the central portion in a planar view. In addition, the drain pan 19 is provided with a drain pan side blowing portion 26 at a position overlapping each panel side blowing port 34 outside the drain pan side suction port 25 through which the air blown to the conditioned room passes.

Furthermore, the drain pan 19 includes a heat exchanger housing portion 27 that houses the lower end portion of the indoor heat exchanger 17 . The heat exchanger housing portion 27 is formed between the drain pan side blowout portion 26 and the drain pan side suction port 25 , and is formed in the shape of a water channel surrounding the outer peripheral portion of the drain pan 19 .

The drain pan 19 includes a drain passage 27 b formed on the outside of the heat exchanger housing 27 lower than the heat exchanger housing 27 . The drain passage 27 b is located below the lower surface of the outer peripheral portion of the indoor heat exchanger 17 .

The indoor unit 10 is provided with a drain pump (not shown) for discharging drain water in the drain passage 27b.

The drain passage 27b is formed in a substantially quadrilateral shape along the lower surface of the indoor heat exchanger 17 when viewed in plan. The drain passage 27b has a lowest point 29L where the drain passage 27b is lowest at one of its four corners. The suction position 28 of the drain pump is arranged at the lowest point 29L.

The drainage is accumulated at the lowest point 29L, sucked out by the drainage pump and discharged to the outside.

Surrounded by the indoor heat exchanger 17 , the drain pan 19 , and the bell mouth 20 , a blower chamber 36 for accommodating the blower 18 is formed inside the housing 15 . In addition, between the outer surface of the indoor heat exchanger 17 and the heat insulating member 16 of the side plate 15a of the housing 15, an air supply passage 37 through which air after heat exchange in the indoor heat exchanger 17 passes is formed.

When the indoor unit 10 is operated, the air in the room to be conditioned is sucked into the blower chamber 36 through the bell opening 20 from the panel-side suction port 31 ( FIG. 1 ) by the rotation of the blower 18 . Next, the air in the blower chamber 36 is blown to the outside by the blower 18, flows to the air supply path 37 after heat exchange when passing through the indoor heat exchanger 17, and is blown out from the panel side outlet 34 (FIG. 1) to the regulated interior. The drain pan-side blowing unit 26 constitutes a part of the air-sending passage 37 .

(1-1-2. Structure of antibacterial agent unit)

Fig. 5 is a perspective view showing an antibacterial agent unit. Fig. 6 is an exploded perspective view showing an antibacterial agent unit. Fig. 7 is a diagram viewed from below the indoor unit when the antimicrobial agent unit is installed. FIG. 8 is a diagram viewed from above the drain pan 19 when the antimicrobial agent unit is attached. Fig. 9 is a perspective view showing a state in which an antimicrobial agent unit is attached.

As shown in FIGS. 3 and 4 , an antimicrobial agent unit 40 is provided near the lowest point 29L of the drain pan 19 . More specifically, the antimicrobial agent unit 40 is disposed near the lowest point 29L of the drain pan side blowout portion 26 in the part of the drain passage 27b continuous with the lowest point 29L of the drain pan 19 .

As shown in FIGS. 5 to 7 , the antibacterial agent unit 40 includes: a substantially square box-shaped storage portion 41 with an open upper surface; and a cover member 50 that closes the upper surface of the storage portion 41 . The accommodating part 41 is formed in a substantially rectangular box shape with an open upper surface, and an antibacterial agent (not shown) such as silver ions is stored in the accommodating part 41 .

Through-holes 42 are formed at corners of the bottom surface of the housing portion 41 .

Locking claws 43 are formed on both side upper portions of the storage portion 41 so as to protrude sideways.

A guide protrusion 44 is formed on one surface of the housing portion 41 . The guide protrusion 44 is formed in a tapered shape whose width dimension decreases downward.

The lid member 50 includes a lid portion 51 that covers the upper surface of the storage portion 41 . Fixing flanges 52 extending downward are integrally provided on both sides of the cover part 51 , and engaging holes 53 for engaging with the locking claws 43 of the housing part 41 are formed in the fixing flanges 52 .

On the upper surface of the cover portion 51 , a mounting plate member 54 extending upward and extending downward with a predetermined distance from the cover portion 51 is provided.

The cover portion 51 and the mounting plate member 54 are each formed of a resin material.

A screw hole 55 is formed in a lower end portion of the mounting plate member 54 . A grip portion 56 is protrudingly formed on one surface of the mounting plate member 54 .

In the state where the prescribed antibacterial agent is stored in the storage part 41, the cover member 50 is installed on the top of the storage part 41, and the engaging hole 53 of the cover part 50 is engaged with the locking claw 43 of the storage part 41, thereby locking the cover. The component 50 is fixed on the storage portion 41 .

In addition, in the present embodiment, a plurality of irregularities 57 are formed on the upper surface and the side wall surface of the mounting plate member 54 . The grooves formed by the plurality of unevennesses 57 are formed to extend in the longitudinal direction of the mounting plate member 54 .

By forming the plurality of unevennesses 57 in this way, when the operator puts his hand into the panel outlet 34 to remove the antimicrobial agent unit 40 , he can easily grasp the position of the mounting plate member 54 . In addition, since the dew condensation water can be held by the plurality of unevennesses 57 , it is possible to suppress the dew condensation water adhering to the mounting plate member 54 from dripping.

As shown in FIG. 8 , a support portion 60 is provided at a mounting position of the antimicrobial agent unit 40 of the drain pan 19 . The support portion 60 is in contact with one surface of the storage portion 41 of the antimicrobial agent unit 40 , and holds the storage portion 41 between the wall surface of the drain pan side blowout portion 26 of the drain pan 19 .

An engaging notch 61 is formed on the supporting portion 60 , and the engaging notch 61 is engaged with the guide protrusion 44 of the receiving portion 41 . The engaging notch 61 is formed in a tapered shape with a reduced width at the bottom so as to match the guide protrusion 44 .

In addition, a first concave portion 62 for positioning the mounting plate member 54 of the antimicrobial agent unit 40 is formed at a position corresponding to the support portion 60 on the upper wall surface of the drain pan side blowing portion 26 .

In addition, a second concave portion 65 continuous with the first concave portion 62 is formed on the inner wall surface of the drain pan side blowing portion 26 .

The depth dimension of the first concave portion 62 and the second concave portion 65 is formed to be approximately the same as the thickness dimension of the support portion 60. In the state where the support portion 60 is set in the first concave portion 62 and the second concave portion 65, the drain pan side blowing portion The height of the wall surface of 26 is flush.

Further, on the lower surface of the drain pan-side blowout portion 26 of the drain pan 19 , a screw fixing recess 63 is formed, and the screw fixing recess 63 engages with a fixing portion formed by bending the lower end of the mounting plate member 54 .

The antimicrobial agent unit 40 is arranged between the wall surface of the drain pan side blowing portion 26 and the support portion 60, and the width dimension of the drainage passage 27b adjacent to the lowest point 29L and the width dimension of the support portion 60 and the drain pan side blowing portion 26 are formed as follows: Much the same.

Furthermore, the drain pan further includes a weir portion 64 of a predetermined height that connects the support portion and the installation portion of the indoor heat exchanger.

As a result, the drain flows through the drain passage 27b of the drain pan 19, and when it reaches the lowest point 29L, it is guided to the antibacterial agent unit 40 by the weir portion 64, so it can definitely pass through the installation position of the antibacterial agent unit 40.

The antimicrobial agent unit 40 is installed on the drain pan 19 so as to have a slight gap with the bottom surface of the drain passage 27 b of the drain pan 19 .

(1-2. Function)

Next, the operation of this embodiment will be described.

(1-2-1. Installation of antimicrobial agent unit)

First, the case where the antimicrobial agent unit 40 is attached will be described.

As shown in FIG. 7 , the antimicrobial agent unit 40 is inserted from below the panel side air outlet 34 .

The operator, for example, grasps the handle portion 56 with tools such as pliers, marks the threaded recessed portion 63 and the first recessed portion 62, and inserts it in such a way that the storage portion 41 of the antibacterial agent unit 40 is located on the inside of the wall surface of the drain pan side blowout portion 26. Antimicrobial unit 40.

When the storage portion 41 of the antibacterial agent unit 40 crossed the wall of the drain pan side blowing portion 26, since the support portion 60 was provided on the drain pan 19, as shown in FIG. 9, the guide protrusion 44 of the storage portion 41 was inserted into the support portion. 60 for engaging notches 61 . After that, the antimicrobial agent unit 40 is moved downward to guide the guide protrusion 44 to the engaging notch 61 of the support portion 60, so even if the operator cannot visually confirm the inner side of the wall surface of the drain pan side blowing portion 26 , the storage portion 41 of the antibacterial agent unit 40 can also be positioned at a predetermined position.

Then, the bottom of the mounting plate member 54 is bent along the side wall of the drain pan-side blowout portion 26 , and screws are screwed into the screw holes 55 to fix the lower end of the mounting plate member 54 to the screw fixing recess 63 . Thus, the installation of the antimicrobial agent unit 40 is completed.

In addition, when removing the antibacterial agent unit 40, remove the screw, lift the antibacterial agent unit 40 upwards, and make the storage portion 41 of the antibacterial agent unit 40 go over the wall surface of the drain pan side blowout portion 26, thereby easily Remove the antimicrobial agent unit 40.

(Operation of 1-2-2 indoor unit)

After the indoor unit is operated, the blower is driven to rotate, and the air sent by the blower is sucked into the blower chamber 36 .

The sucked air passes through the indoor heat exchanger 17 , performs heat exchange in the indoor heat exchanger 17 , and is blown out to the room to be conditioned through the air supply passage 37 and the drain pan side blower 26 .

When dew condensation occurs due to heat exchange in the indoor heat exchanger, the condensed water drops into the drain passage 27 b of the drain pan 19 as drain water.

The drainage flowing into the drainage passage 27b flows toward the lowest point 29L. In this case, the antimicrobial agent unit 40 is arranged between the wall surface of the drain pan side blowing part 26 and the support part 60, and the width dimension of the drain passage 27b adjacent to the lowest point 29L is formed to match the support part 60 and the drain pan side blowout. The width dimension of the wall surface of part 26 is substantially the same, and the antimicrobial agent unit 40 is guided to the antimicrobial agent unit 40 by the dam part 64, therefore, the drainage flowing to the lowest point 29L always passes through the installation part of the antimicrobial agent unit 40.

Drainage from the installation portion of the additional antibacterial agent unit 40 flows into the interior of the accommodating portion 41 through the through hole 42 of the accommodating portion 41 , is antibacterial by contact with the antibacterial agent, and is stored in the lowest point 29L of the drain pan 19 .

When a predetermined amount of drain water has accumulated at the predetermined amount lowest point 29L, the drain pump is driven to discharge it to the outside of the indoor unit.

(1-3. Effect)

As described above, in the present embodiment, the antimicrobial agent unit 40 is detachably arranged in the drain passage 27b of the drain pan 19 near the drain pan side blowing portion 26 (panel side air outlet 34), and the antibacterial agent unit 40 Equipped with accommodating portion 41 for accommodating the antibacterial agent and cover member 50 having mounting plate member 54, accommodating portion 41 abuts against the wall surface of drain pan side blowing portion 26 of drain pan 19, when accommodating portion 41 is mounted on drain pan 19 The mounting plate member 54 is fixed to the bottom surface of the frame in a state where the mounting plate member 54 is along the wall surface of the drain pan side blowing portion 26 and the bottom surface of the frame.

Thus, the antimicrobial agent unit 40 is inserted from the panel side outlet 34 and the drain pan side blowout portion 26 below, the accommodating portion 41 is positioned at the inside of the drain pan 19, and the mounting plate member 54 is positioned along the side of the drain pan side blowout portion 26. In the state of the wall surface and the bottom surface of the frame body, the antimicrobial agent unit 40 can be installed without removing the decorative panel by fixing the mounting plate member 54 to the bottom surface of the frame body.

In addition, in this embodiment, the handle portion 56 is provided on the mounting plate member 54, and the handle portion 56 is provided on the drain pan side blowing portion 26 ( The substantially lower end portion of the wall surface of the panel side air outlet 34).

Thereby, the antimicrobial agent unit 40 can be easily attached from the panel side air outlet 34 and the drain pan side air outlet 26 while holding the grip portion 56 with tools such as pliers. Moreover, by providing the handle part 56 at the substantially lower end part of the wall surface of the drain pan side blowing part 26, the handle part 56 can be easily grasped.

In addition, in this embodiment, the first concave portion 62 is formed on the upper wall surface of the drain pan side blowing portion 26 (panel side blowing port 34 ), and the mounting plate member 54 of the cover member 50 is disposed in the first concave portion 62 , and the first The depth dimension of the recessed portion 62 is formed substantially the same as the thickness dimension of the mounting plate member 54 .

Thereby, the first concave portion 62 can be used as the positioning of the mounting plate member 54 . In addition, in the state where the mounting plate member 54 is set in the first concave portion 62, since the wall surface of the drain pan side blowing portion 26 of the drain pan 19 becomes flush, the flow through the panel side blowing port 34 can be suppressed. wind flow resistance.

In addition, in this embodiment, the second recess 65 is formed on the wall surface of the drain pan side blowing portion 26 (panel side blowing port 34 ), and the mounting plate member 54 is disposed in the second recess 65 . The depth dimension of the second recess 65 is It is formed to be approximately the same as the thickness dimension of the mounting plate member 54 .

Thereby, the second concave portion 65 can be used as the positioning of the mounting plate member 54 . In addition, in the state where the mounting plate member 54 is set in the second concave portion 65, since the wall surface of the drain pan side blowing portion 26 of the drain pan 19 becomes flush, the wind flowing through the panel side blowing port 34 can be suppressed. flow resistance.

In addition, in the present embodiment, the drain pan 19 is provided with a support portion 60 arranged substantially parallel to the wall surface of the drain pan side blowout portion 26 (panel side blowout port 34 ), and the support portion 60 is formed with an upwardly open engagement. The notch 61 is formed with a guide protrusion 44 that engages with the engaging notch 61 in the state where the antibacterial agent unit 40 is installed in the housing portion 41 .

Thereby, the antimicrobial material unit can be supported by the support part 60 in the direction substantially parallel to the wall surface of the drain pan side blowing part 26. FIG. In addition, the antibacterial agent unit 40 can be positioned by engaging the guide protrusion 44 of the antibacterial agent unit 40 with the engaging notch 61 of the support portion 60 .

In addition, in this embodiment, the guide protrusion 44 is formed in a tapered shape whose width becomes smaller downward, and the engaging notch 61 is formed in a tapered shape whose lower width becomes smaller according to the shape of the guide protrusion 44 .

Thus, when the antibacterial agent unit 40 is inserted and installed from below the drain pan side blowing portion 26, the tapered guide protrusion 44 is guided by the engagement notch 61 of the support portion 60, even if the antibacterial agent unit 40 cannot be seen from the outside. Positioning and installation of the antibacterial agent unit 40 can also be performed in the state of the storage part 41 of the agent unit 40 .

In addition, in this embodiment, the accommodating part 41 is arrange|positioned at predetermined intervals with respect to the bottom surface of the drain passage 27b.

Thereby, when the drainage flowing through the drainage passage 27b flows to the lowest point 29L, it is possible to suppress obstruction of the flow of the drainage.

(Other implementations)

As described above, Embodiment 1 has been described as an example of the technology disclosed in this application. However, the technology of the present invention is not limited thereto, and can be applied to embodiments with changes, substitutions, additions, omissions, and the like. In addition, it is also possible to form a new embodiment by combining the components described in the first embodiment above.

For example, in the above-mentioned embodiment, the antimicrobial agent unit 40 is provided on the drain pan side blowing part 26, but it may be arranged near the suction port.

In addition, in the above-mentioned embodiment, the antimicrobial agent unit 40 has been described as having a structure in which the mounting plate member 54 is provided on the cover member 50 , but the mounting plate member 54 may be provided in the storage portion 41 .

Industrial availability

The present invention can be applied to an indoor unit in which an antimicrobial agent unit can be detached without detaching a decorative panel.

Explanation of symbols

10 indoor unit

14 Indoor unit body

15 frames

16 Insulation parts

17 Indoor heat exchanger

18 blower

19 drain pan

23 fan motor

24 centrifugal fan

25 Panel side suction port

26 Drain pan side blowout part

26 Drain pan side blowout part

27 Heat exchanger housing

27b Drainage channel

28 Drain pump suction position

29L lowest point

30 decorative panels

32 grates

33 filters

34 Panel side outlet

35 wind deflector (wind pendulum/throttle)

36 Blower room

37 air supply road

40 Antimicrobial Units

41 storage department

42 through hole

43 Detent claw

44 guide protrusion

50 cover parts

51 cover

52 Flange for fixing

53 Engagement hole

54 Mounting plate parts

55 threaded hole

56 Handle

60 Support part

62 First recess

63 Screw fixing recess

64 weir

65 Second recess.

Claims (7)

1. An indoor unit, characterized in that, The indoor unit has: a frame body; a drain pan provided on the frame body; and an air outlet formed on the drain pan, An antimicrobial agent unit is detachably arranged in the drain passage of the drain pan near the outlet, The antibacterial agent unit is provided with a storage portion and a mounting plate member for accommodating the antibacterial agent, The receiving portion abuts against the wall surface of the outlet of the drain pan, When attaching the storage unit to the drain pan, the mounting plate member is fixed to the mounting plate member in a state where the mounting plate member is along the wall surface of the air outlet and the bottom surface of the frame. the bottom of the frame. 2. The indoor unit according to claim 1, wherein: A handle portion is provided on the mounting plate part, The grip portion is provided at a substantially lower end portion of the wall surface of the outlet in a state where the mounting plate member is fixed to the bottom surface of the housing. 3. The indoor unit according to claim 1 or claim 2, characterized in that . A first recess is formed on the wall surface of the outlet of the drain pan, the mounting plate part is disposed in the first recess, A depth dimension of the first concave portion is formed substantially the same as a thickness dimension of the mounting plate member. 4. The indoor unit according to any one of claims 1 to 3, wherein: A second concave portion is formed on an inner wall surface of the outlet of the drain pan, the mounting plate part is disposed in the second recess, A depth dimension of the second concave portion is formed substantially the same as a thickness dimension of the mounting plate member. 5. The indoor unit according to any one of claims 1 to 4, wherein: The drain pan is provided with a support portion arranged substantially parallel to the wall surface of the outlet, An engaging notch open at the top is formed on the support portion, In the storage portion, a guide protrusion engaged with the engaging notch is formed in a state where the antibacterial agent unit is installed. 6. The indoor unit according to claim 5, wherein: The guide protrusion is formed in a tapered shape whose width dimension becomes smaller downward, The engaging notch is formed in a tapered shape in which a lower width dimension becomes smaller according to the shape of the guide protrusion. 7. The indoor unit according to any one of claims 1 to 6, wherein: The accommodating portion is arranged at a predetermined interval with respect to the bottom surface of the drain passage.