CN207334926U - Indoor apparatus of air conditioner - Google Patents

Abstract

The utility model relates to an air conditioner indoor unit. The indoor unit of the air conditioner includes a shell, in which a heat exchanger and a fan assembly are arranged, and the shell includes a top plate, a bottom plate, a front plate and a side frame, an air outlet is arranged on the front plate, and an air inlet is arranged on the side frame, The air intake part includes a suction grille and a filter assembly detachably mounted on the suction grille, the suction grille includes an integrally formed grille part, the grille part has integrally formed ribs, and One side of the grid is provided with at least one guide rail, and at least one side frame of the filter screen assembly is inserted into the guide rail, so that the filter screen assembly and the suction grille are assembled together. According to the utility model, the air inlet part of the indoor unit of the air conditioner has a simple structure, and the filter screen assembly is convenient to assemble and disassemble.

Description

air conditioner indoor unit

technical field

The utility model relates to the field of air conditioning, in particular to an air conditioner indoor unit.

Background technique

Air conditioner indoor units are divided into floor-mounted and wall-mounted. The floor-standing air conditioner indoor unit is usually placed in the corner of the room, however, the floor-mounted air conditioner indoor unit occupies a relatively large area. A common wall-mounted air conditioner indoor unit is usually installed horizontally on the wall near the ceiling. The size of the horizontally installed wall-mounted indoor unit is small, however, the horizontally installed wall-mounted indoor unit occupies an area in the middle of the wall, and the aesthetics is poor.

The vertical air conditioner indoor unit installed in the corner by the wall hanging mode has been developed. The casing of this air conditioner indoor unit includes a top plate on the upper side, a bottom plate on the lower side, a substantially vertical side frame with an air inlet part, and a front plate with an air outlet part, wherein the side frame is close to the corner of the indoor wall. Install. Conventionally, a filter screen assembly is arranged on the air inlet on the side frame of the air conditioner indoor unit to improve the quality of the air intake. However, in this type of wall-mounted vertical air conditioner indoor unit, the air inlet part is entirely set against the wall, and the area of the air inlet is relatively large. The air inlet needs to be equipped with a large-area filter assembly. How to simplify the installation structure of the filter assembly becomes a problem. outstanding issues. In addition, since this kind of air conditioner indoor unit is usually installed on the wall in the corner of the room, and the filter screen assembly of the air conditioner indoor unit is installed on the side frame near the wall, the existing installation structure makes the filter screen assembly inconvenient to assemble and disassemble. Therefore, it is necessary to improve the structure of the screen assembly.

Utility model content

In order to overcome the deficiencies in the above-mentioned prior art, an air-conditioning indoor unit is provided. The air-conditioning indoor unit includes a housing in which a heat exchanger, a fan assembly and electrical components are arranged. The housing includes a top plate, a bottom plate, a front plate and side surfaces. frame, the front panel is provided with an air outlet part, and the side frame is provided with an air inlet part, the air inlet part includes a suction grille and a filter assembly detachably installed on the suction grille, wherein the suction grille It includes an integrally formed grille part, the grille part has integrally formed ribs, and at least one guide rail is provided on one side of the suction grille, at least one side frame of the filter screen assembly is inserted in the guide rail, so that the filter screen The components are assembled together with the suction grille.

According to one aspect of the present invention, the guide rail is arranged on the inner surface of the suction grill facing the heat exchanger or the outer surface facing the outside of the air conditioner indoor unit.

According to another aspect of the invention, the guide rail has an L-shaped cross-section.

According to another aspect of the present invention, the guide rail has a ]-shaped cross section, at least one side frame of the filter assembly has a flange, and the flange is inserted into the guide rail.

According to another aspect of the present utility model, the suction grille further includes an opening portion adjacent to the grille portion, the opening portion is disposed close to at least one of the front plate, the top plate and the bottom plate, and the filter screen assembly includes a first filter screen portion , the first filter mesh part has a first filter mesh rib, when the filter mesh assembly is inserted into the guide rail through the opening and the assembly of the filter mesh assembly and the suction grille is completed, the first filter mesh part covers the opening.

According to still another aspect of the utility model, the guide rails are arranged in pairs, and the opposite frames of the filter assembly are respectively arranged in one of the paired guide rails.

According to another aspect of the present utility model, the guide rail is formed on the inner side of the suction grill facing the heat exchanger, and the guide rail is provided with a limiting member for maintaining the distance between the filter screen assembly and the heat exchanger.

According to another aspect of the utility model, the suction grille is provided with a first engaging part, and the filter screen assembly is provided with a corresponding second engaging part. When the filter screen assembly is fully inserted into the guide rail, the first engaging part The engaging part is engaged with the second engaging part.

According to still another aspect of the utility model, the side frame includes a first side frame and a second side frame substantially at right angles to the first side frame, and two air inlets are respectively arranged on the first side frame and the second side frame . Preferably, the filter screen assembly of one of the two air inlets is inserted into the guide rail of its suction grille from a vertical side of the front plate along the horizontal direction, and the filter screen assembly of the other of the two air inlets is inserted from the front plate Insert the guide rail of its suction grille horizontally opposite the other vertical side.

According to another aspect of the present utility model, the guide rails are arranged horizontally or vertically.

According to another aspect of the present invention, the filter assembly is provided with a handle, and the handle is arranged on one side frame of the filter assembly.

According to still another aspect of the present utility model, the air outlet portion on the front panel is configured as a narrow and long opening extending along the vertical direction.

The suction grille of the air conditioner indoor unit of the utility model is integrally provided with a grille portion, and the grille portion is provided with guide rails, thus simplifying the structure of the air inlet portion of the air conditioner indoor unit, and facilitating the assembly and disassembly of the filter screen assembly. For this vertical wall-mounted air-conditioning indoor unit of the present utility model, the air inlet part is usually arranged close to the wall, and the filter screen assembly provided with the handle part can be easily pulled out from the suction grille.

In the air-conditioning indoor unit according to the utility model, a part of the suction grille is provided as an opening, and the opening is suitable for accommodating the first filter portion formed in the filter assembly with a grid reinforcement structure, so that the filter assembly Insert it into the guide rail through the opening to facilitate the removal of the filter assembly.

The suction grille of the air conditioner indoor unit of the utility model is integrally provided with a grille portion, and the grille portion is provided with guide rails, thus simplifying the structure of the air inlet portion of the air conditioner indoor unit, and facilitating the assembly and disassembly of the filter screen assembly. For this vertical wall-mounted air-conditioning indoor unit of the present utility model, the air inlet part is usually arranged close to the wall, and the filter screen assembly provided with the handle part can be easily pulled out from the suction grille.

In the air-conditioning indoor unit according to the utility model, a part of the suction grille is provided as an opening, and the opening is suitable for accommodating the first filter portion formed in the filter assembly with a grid reinforcement structure, so that the filter assembly Insert it into the guide rail through the opening to facilitate the removal of the filter assembly.

Description of drawings

Fig. 1 shows a front perspective view of an air conditioner indoor unit according to the present invention.

Fig. 2 shows a rear perspective view of the air conditioner indoor unit according to the present invention, in which the suction grille on the back side of the air conditioner indoor unit is shown, while the internal components of the air conditioner indoor unit are omitted.

Fig. 3 shows a perspective view of a part of the suction grille of the air conditioner indoor unit according to the present invention.

Figure 4 shows a perspective view of the screen assembly.

5A and 5B show two different embodiments of guide rails for inserting filter screen assemblies.

Fig. 6 shows a top sectional view of the air conditioner indoor unit according to the present invention.

List of reference signs

Air conditioner indoor unit 1

Shell 10

Bottom plate 12

top plate 14

side frame 16

Side frames 161, 162

Front panel 18

Air inlet 20

Suction grille 22

Border 21

Suction side 23

Spacer 25

opening 221

Grille 222

Rib 227

filter assembly 26

The first filter unit 261

The first filter rib 265

Second filter unit 262

Second filter mesh rib 267

Step Department 263

Border 268

Rail 50, 50'

heat exchanger 60

fan assembly 70

panel 80

Detailed ways

The utility model will be further described below in conjunction with specific embodiments and accompanying drawings, and more details have been set forth in the following description so as to fully understand the utility model, but the utility model can obviously be in many other ways different from this description To implement, those skilled in the art can make similar promotion and deduction according to the actual application situation without violating the connotation of the utility model, so the content of this specific embodiment should not limit the protection scope of the utility model.

As shown in FIGS. 1 and 2 , the housing 10 of the air conditioner indoor unit 1 of the present invention generally has a top plate 14 located above, a bottom plate 12 located below, a front plate 18 and a side frame 16 during conventional installation. The front board 18 extends approximately perpendicular to the top board 14 and the bottom board 12 and has an air outlet thereon. The side frame 16 also extends approximately perpendicular to the top plate 14 and the bottom plate 12 , and is provided with a wind inlet surface thereon. Preferably, the side frame 16 consists of two side frames 161 , 162 that are angled, and in a preferred embodiment, the two side frames 161 , 162 are substantially 90 degrees. The side frame 16 may be made of resin or metal, and may be molded by resin injection molding, for example. The air-conditioning indoor unit 1 is a vertical wall-mounted air-conditioning indoor unit 1 suitable for being installed at an indoor corner. At least a part of the side frame 16 is provided with a fixing structure fixed to the vertical wall. In the installed state, the air-conditioning indoor The casing 10 of the machine 1 is in an upright state.

As shown in FIG. 6 , the housing of the air conditioner indoor unit 1 of the present invention forms at least one accommodating cavity, and the accommodating cavity is provided with a heat exchanger 60 , a fan assembly 70 and electrical components. The heat exchanger 60 is basically extended along the side frame 16 inside the side frame 16 , and the fan assembly 70 is disposed in the middle of the heat exchanger 60 . Driven by the fan assembly 70 , air enters from the air inlet 20 on the side frame 16 , passes through the heat exchanger 60 to exchange heat, and then is sent out from the air outlet on the front panel 18 . The air outlet part is usually configured as a narrow and long opening extending in the vertical direction. Preferably, as shown in FIG. 1 , the front panel 18 is also provided with a panel 80 which is movable between an open position and a closed position. When the panel 80 is in the open position, the air outlet on the front panel 18 is open to the outside, and when the panel is in the closed position, the air outlet on the front panel 18 is closed.

The side frame 10 mainly includes two side frames 161, 162, which are arranged at an angle, preferably, the two side frames 161, 162 are arranged at an angle of 90 degrees. At least one side frame 161, 162 is provided with the air inlet portion 20, thereby forming an air supply surface. Preferably, the two side frames 161 , 162 are both provided with the air inlet 20 .

The air intake portion 20 includes a suction grill 22 and a filter assembly 26 that are detachably engaged with each other. The filter screen assembly 26 can be provided with various types of filter screens according to actual needs, such as one or more of primary filter screens, PM2.5 filter screens, and UP titanium filter screens. The filter assembly 26 filters the airflow entering the indoor unit 1 of the air conditioner, thereby improving the air quality of the indoor unit 1 . After a period of use, the filter screen assembly 26 can be removed from the suction grill 22 for cleaning or replacement.

As shown in FIG. 2 and FIG. 3 , according to the present invention, the suction grille 22 of the air inlet portion 20 has a frame 21 , and the frame 21 surrounds and forms a suction surface 23 of the air inlet portion 20 . The suction grille 22 includes an integrally formed grille portion 222 , and an opening portion 221 is provided in the grille portion 222 , and the grille portion 222 and the opening portion 221 together form a wind suction surface 223 . The grille portion 222 includes a plurality of integrally formed ribs, and the ribs intersect each other in the grille portion 222 to form a grille shape; while the opening portion 221 is a substantially open area, preferably without ribs. In a preferred embodiment, the air suction surface 23 is formed to separate the grille portion 222 from the opening portion 221 through a spacer 25 in the middle. The pattern formed by the ribs in the grid part 222 can be set arbitrarily according to needs, for example, only have vertical ribs, or only have transverse ribs, and other arc-shaped ribs or ribs extending in an oblique direction or combinations of several shapes are also conceivable.

As shown in FIG. 4 , the filter assembly 26 has a shape matching the suction grille 22 and can cover the entire suction surface 23 . As shown in FIG. 3 , the filter assembly 26 is inserted into the guide rail 50 provided on the suction grill 22 through the opening 221 , so that the filter assembly 26 is installed on the suction grill 22 .

The filter assembly 26 according to the present invention particularly includes a first filter part 261 and a second filter part 262 , the first filter part 261 covers the opening part 221 , and the second filter part 262 covers the grille part 222 . The two screen parts 261, 262 have different thicknesses in the direction perpendicular to the screen surface, and the thickness of the first screen part 261 covering the opening part 221 is greater than the thickness of the second screen part 262 covering the grille part 222. . In this way, on one side of the filter screen assembly 26, a stepped portion 263 will be formed between the first filter screen portion 261 and the second filter screen portion 262, while the opposite side of the filter screen assembly 26 is substantially flat. , does not have a step portion. When the filter assembly 26 is inserted and fitted onto the suction grill 22 through the guide rail 50 , the stepped portion 263 abuts against the partition bar 25 on the suction grill 22 . An engaging structure may also be provided on the step portion 263 to engage with a matching engaging structure provided on the spacer, so as to help limit the position of the filter assembly 26 .

In the illustrated embodiment, the spacer 25 is vertical, but it can be understood that the spacer can also be arranged horizontally, so that the opening and the grille are arranged up and down. In this case, the opening is provided close to the top plate 14 or the bottom plate 12 . Therefore, it is convenient for the filter screen assembly to be inserted into the guide rail from the top side or the bottom plate through the opening to be installed on the suction grille.

The first filter mesh part 261 has first filter mesh ribs 265, and the first filter mesh ribs 265 divide the first filter mesh part 261 into a plurality of small cells. After the first filter screen part 261 is covered on the opening part 221, a part of the frame 268 of the outer periphery of the filter screen assembly 26 is coincident with a part of the frame 21 of the suction grille 22, and the first filter screen rib 265 will be positioned at the opening. In the portion 221, the first filter mesh ribs 265 play the same role as the ribs 227 of the grille portion 222. Preferably, the thickness of the first filter mesh ribs 265 is the same as that of the ribs 227 of the grid part 222 . More preferably, the first screen ribs 265 and the ribs 227 of the grid portion 222 have the same or matching shape, for example, the first screen ribs and the ribs 227 of the grid portion 222 both include horizontal ribs and vertical ribs, and both The intervals between the ribs are consistent, and when the filter screen assembly 26 is installed on the grille part 222 , the horizontal ribs of the first filter screen part 261 are flush with the horizontal ribs of the grille part 222 . This not only increases the aesthetics, but also increases the structural strength of the entire air inlet portion 20 through the aligned horizontal ribs.

The second filter portion 262 may be provided with second filter ribs 267 , and generally, the second filter ribs 267 are thinner than the first filter ribs 265 . The second filter ribs 267 may be disposed so that when the second filter part 262 covers the grill part 222 of the suction grill 22 , the second filter ribs 267 coincide with the ribs 227 of the grill part 222 . In this way, if the air conditioner indoor unit 1 is viewed from the back side, if the filter screen assembly 26 is inserted into the suction grille 22, the second filter screen ribs 267 will be blocked by the ribs 227 of the grille portion 22 and are basically invisible. In addition, in the case that the reliability of the filter screen is not affected, the number of the second filter screen ribs 267 can be reduced, that is, the number of the second filter screen ribs 267 is smaller than the number of the ribs 227 of the grille part 222, but the second filter screen The ribs 267 still coincide with a portion of the ribs 227 of the grid portion 222 . In this way, not only is it beautiful, but also the air intake area of the air intake portion 22 is maximized, thereby reducing the air intake resistance.

The filter screen assembly 26 may be integrally molded by inserting the filter screen with a resin material. In terms of rigidity, generally speaking, the rigidity of the first filter screen part 261 is greater than that of the second filter screen part 262. Further, the rigidity of the first filter screen rib 265 on the first filter screen part 261 is greater than that of the second filter screen part 261. Rigidity of the second mesh ribs 267 of the mesh portion 262. The rigidity of the first filter mesh rib 265 on the first filter mesh portion 261 can be set so that the first filter mesh portion 261 cannot be deformed substantially, and the rigidity of the second filter mesh rib 267 is set so that the second filter mesh portion 262 can Flexed, this will facilitate insertion of the second style portion 262 into the grille portion 222 .

As can be seen from FIG. 2 , preferably, the two air inlets 20 are symmetrically arranged on the two angled side frames of the side frame 16 . The openings 221 of the suction grille 22 are located near two opposite vertical sides of the front panel 18 , and the grille portion 222 is located near the middle of the rear side of the indoor unit 1 . The two filter screen assemblies can be inserted horizontally into the guide rail 50 of the suction grill 22 from two opposite vertical sides. When the air-conditioning indoor unit 1 is installed on the wall at the corner, by virtue of the gap between the side frame of the air-conditioning indoor unit 1 and the wall, the filter assembly 26 can be directly drawn or inserted from the two vertical sides of the front panel 18, Therefore, the user can easily clean and maintain the filter assembly 26 .

In a preferred embodiment of the present invention, each air inlet portion 20 is equipped with two filter screen assemblies 26 as shown in FIG. 4 , which are respectively arranged at the upper part and the lower part. But this is not restrictive. According to the size of the air conditioner indoor unit 1, only one filter screen assembly 26 or more filter screen assemblies 26 can also be provided. 5A and FIG. A preferred embodiment of the guide rails 50', 50", wherein the guide rails can be configured to have an L-shaped cross-sectional shape, or can be configured to have a "]"-shaped cross-sectional shape.

As shown in FIG. 5A, an L-shaped guide rail 50' is provided on one side of the suction grille 22. A second extension extending perpendicular to the first extension. The guide rails 50' are arranged in pairs, as shown in FIG. The filter assembly 26' is in the shape of a flat plate with a frame 268' on its edge, and the frame 268' is inserted into the guide rail 50'. Alternatively, the pair of guide rails 50' can also be arranged transversely opposite each other, so that the filter screen assembly 26 can be inserted into the guide rails 50' vertically from the top side or the bottom side.

As shown in Figure 5B, the guide rail 50" on the side of the suction grille 22 is in the shape of "]", that is, from the cross-sectional shape of the guide rail 50", the guide rail 50" has a first extension extending perpendicular to the side , a second extension extending perpendicular to the first extension, and a third extension substantially parallel to the first extension and perpendicular to the second extension. The upper frame 268 "of the filter screen assembly 26" is formed with a convex flange, the flange is inserted into the rail 50". In this way, one side of the flange is stopped by the third extension, so that the filter screen assembly 26 ″ is assembled on the suction grill 22 .

The guide rails 50', 50" can be arranged on the inner side of the suction grill 22 facing the heat exchanger 60, or on the outer side of the suction grill 22 facing the outside. When the guide rails 50', 50" When it is arranged on the inner side, in order to protect the filter screen from being damaged by contact with the fins of the heat exchanger 60, preferably, stoppers are provided on the guide rails 50', 50", which can keep the distance between the filter screen and the heat exchanger 60. There is a certain distance between them. A preferred embodiment, the guide rails 50', 50" are arranged between the heat exchanger 60 and the suction grille 22, and the second horizontal extension thereof has a certain width, so as to maintain the filter assembly 26 and the heat exchanger 60, in this case, the second extension of the guide rail 50', 50" can be used as a stopper. Alternatively, it can also be provided on the inner surface of the groove of the guide rail The stop pin is used as a stop to keep the filter screen assembly away from the heat exchanger 60 .

In order to install and disassemble the filter screen assembly 26 conveniently, a handle portion 269 may be provided on the filter screen assembly 26 . In the embodiment shown in FIG. 4 , the handle portion 269 is disposed on one side frame of the first filter portion 261 , more specifically, on the longitudinal side frame of the first filter portion 261 near the front panel 18 . The handle portion 269 shown in the figure is configured as a concave portion, but it can also be configured as a convex portion or other forms that are convenient for grasping.

In addition, the filter screen assembly 26 and the suction grille 22 can further be provided with a mutual engagement structure to prevent the filter screen assembly 26 from loosening. Specifically, a first engaging member may be provided on the frame 268 of the filter screen assembly 26 , and a second engaging member corresponding to the position may be provided on the suction grille 22 , when the filter screen assembly 26 is fully inserted into the guide rail 50 , the two engaging parts engage with each other.

The suction grille of the air conditioner indoor unit of the utility model is integrally provided with a grille portion, and the grille portion is provided with guide rails, thus simplifying the structure of the air inlet portion of the air conditioner indoor unit, and facilitating the assembly and disassembly of the filter screen assembly. For this vertical wall-mounted air-conditioning indoor unit of the present utility model, the air inlet part is usually arranged close to the wall, and the filter screen assembly provided with the handle part can be easily inserted or pulled out from the suction grille.

In the air-conditioning indoor unit according to the utility model, a part of the suction grille is provided as an opening, and the opening is suitable for accommodating the first filter portion formed in the filter assembly with a grid reinforcement structure, so that the filter assembly Insert it into the guide rail through the opening to facilitate the removal of the filter assembly.

Although the utility model is disclosed as above with preferred embodiments, it is not used to limit the utility model, and any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the utility model. Therefore, any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention, all fall within the protection scope defined by the claims of the present invention.

Claims (13)

1. An air-conditioning indoor unit, the air-conditioning indoor unit comprises a housing, the housing is provided with a heat exchanger and a fan assembly, the housing comprises a top plate, a bottom plate, a front plate and a side frame, the front plate An air outlet is provided, and an air inlet is provided on the side frame, It is characterized in that the air inlet part includes a suction grille and a filter assembly detachably mounted on the suction grille, the suction grille includes an integrally formed grille part, and the grille The part has integrally formed ribs, and at least one guide rail is provided on one side of the suction grille, and at least one side frame of the filter screen assembly is inserted into the guide rail, so that the filter screen assembly and The suction grilles are assembled together. 2. The air-conditioning indoor unit according to claim 1, wherein the guide rail is arranged on the inner surface of the suction grill facing the heat exchanger or the outer surface facing the outside of the air-conditioning indoor unit . 3. The air conditioner indoor unit according to claim 1, wherein the guide rail has an L-shaped cross section. 4. The air conditioner indoor unit according to claim 1, wherein the guide rail has a ]-shaped cross section, and the at least one side frame of the filter assembly has a flange, and the flange is inserted into the in the guide rail. 5. The air conditioner indoor unit according to claim 1, wherein the suction grille further comprises an opening adjacent to the grille, the opening is close to the front panel, the at least one of the top plate and the bottom plate is provided, The filter mesh assembly includes a first filter mesh portion having a first filter mesh rib, and when the filter mesh assembly is inserted into the guide rail through the opening, the filter mesh assembly and the When the suction grille is assembled, the first screen part covers the opening part. 6 . The air conditioner indoor unit according to claim 1 , wherein the guide rails are arranged in pairs, and the opposite frames of the filter assembly are respectively arranged in one of the pair of guide rails. 7. The air-conditioning indoor unit according to claim 1, wherein the guide rail is formed on the inner side of the suction grille facing the heat exchanger, and the guide rail is provided with a A limiting part for the distance between the filter screen assembly and the heat exchanger. 8. The air conditioner indoor unit according to claim 1, wherein the suction grille is provided with a first engaging piece, and the filter assembly is provided with a corresponding second engaging piece, when the When the filter screen assembly is fully inserted into the guide rail, the first engaging member engages with the second engaging member. 9. The air conditioner indoor unit according to claim 1, wherein the side frame comprises a first side frame and a second side frame substantially at right angles to the first side frame, and the two air inlets are respectively It is arranged on the first side frame and the second side frame. 10. The air-conditioning indoor unit according to claim 8, wherein the filter assembly of one of the two air inlet parts is inserted horizontally from a vertical side of the front panel to its air suction unit. The guide rail of the grille, the filter screen assembly of the other one of the two air inlets is inserted into the guide rail of its suction grille from the opposite vertical side of the front plate along the horizontal direction. 11. The air conditioner indoor unit according to claim 1, wherein the guide rails are arranged horizontally or vertically. 12. The air conditioner indoor unit according to claim 1, wherein the filter assembly is provided with a handle, and the handle is arranged on one side frame of the filter assembly. 13. The air conditioner indoor unit according to any one of claims 1-12, characterized in that, the air outlet portion on the front panel is configured as a long and narrow opening extending in a vertical direction.