CN220061928U - Indoor unit of vertical air conditioner - Google Patents

Abstract

The utility model discloses a vertical air conditioner indoor unit, which comprises: a housing having a first side wall and a second side wall arranged opposite to each other in a left-right direction; the evaporator assembly is arranged in the shell and comprises a first heat exchange section and a second heat exchange section which are distributed in an L-shaped manner in a horizontal plane, the first heat exchange section extends along the rear side wall of the shell, one end of the second heat exchange section is connected with the first heat exchange section, and the other end of the second heat exchange section extends forwards along the first side wall; the air duct assembly is arranged in the shell and is positioned on one side of the second side wall of the shell, the air duct assembly comprises an air duct volute, the rear end of the air duct volute is connected with one end, far away from the second heat exchange section, of the first heat exchange section, and the front end of the air duct volute extends to the front side wall of the shell along the second side wall. The indoor unit of the vertical air conditioner can improve the air output of the air outlet, increase the air supply distance and reduce the noise of the air duct.

Description

Indoor unit of vertical air conditioner

Technical Field

The utility model relates to the technical field of household appliances, in particular to a vertical air conditioner indoor unit.

Background

When the air conditioner works, air flow entering the air conditioner is blown out after heat exchange, in the process, the heat exchange degree of the air flow influences the working effect of the air conditioner, and meanwhile, along with the improvement of the requirements of people on living environments, the requirements on the quietness degree of the household appliances during working are higher and higher.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the vertical air conditioner indoor unit, which can improve the air output of the air outlet, increase the air supply distance and reduce the noise of the air duct.

The indoor unit of the vertical air conditioner according to the present utility model comprises: a housing having a first side wall and a second side wall arranged opposite to each other in a left-right direction; the evaporator assembly is arranged in the shell and comprises a first heat exchange section and a second heat exchange section which are distributed in an L shape in a horizontal plane, the first heat exchange section extends along the rear side wall of the shell, one end of the second heat exchange section is connected with the first heat exchange section, and the other end of the second heat exchange section extends forwards along the first side wall; the air duct assembly is arranged in the shell and is positioned on one side of the second side wall of the shell, the air duct assembly comprises an air duct volute, the rear end of the air duct volute is connected with one end, far away from the second heat exchange section, of the first heat exchange section, and the front end of the air duct volute extends to the front side wall of the shell along the second side wall.

According to the vertical air conditioner indoor unit, the evaporator assembly and the air duct volute are arranged left and right in the shell, so that the air output of the air outlet is improved, the air supply distance is increased, and the noise of the air duct is reduced.

According to some embodiments of the utility model, the indoor unit of the vertical air conditioner further comprises: the connecting plate is vertically arranged and extends leftwards and rightwards, the left end and the right end of the connecting plate are respectively connected with the front end of the second heat exchange section and the air duct volute, and the connecting plate, the air duct assembly and the evaporator assembly are matched to define an air duct.

According to some embodiments of the utility model, the evaporator assembly comprises: the evaporator is fixed on the evaporator support, and one end of the connecting plate in the left-right direction is fixedly connected with the evaporator support.

According to some embodiments of the utility model, the upper end edge of the connecting plate extends upwards beyond the upper end edge of the evaporator, the upper end of the connecting plate is provided with a first fixing hole, and the evaporator bracket comprises: the upper end plate is arranged on the upper side of the evaporator, a second fixing hole is formed in the upper end plate, and the connecting plate passes through the first fixing hole and the second fixing hole through a fastener to be connected with the upper end plate.

According to some embodiments of the utility model, one of the connection plate and the upper end plate is provided with a positioning hole and the other is provided with a positioning post, which fits into the positioning hole to position the connection plate on the evaporator support.

According to some embodiments of the utility model, the lower end edge of the connection plate extends downward beyond the lower end edge of the evaporator, and the evaporator stand further comprises: the lower end plate is arranged at the lower side of the evaporator, a raised supporting rib is arranged on the lower end plate, and the lower end of the connecting plate is supported on the supporting rib.

According to some embodiments of the utility model, the connecting plate is provided with a reinforcing rib; and/or the connecting plate is provided with a grounding connecting area.

According to some embodiments of the utility model, the air duct volute comprises: the first worm plate extends forwards and backwards along the second side wall, the rear end of the first worm plate is connected with the first heat exchange section, and the front end of the first worm plate extends towards the front side wall of the shell; the second worm plate is arranged on one side of the first worm plate, which faces the second heat exchange section; and the extending plate extends leftwards and rightwards, one end of the extending plate is connected with the second worm plate, and the other end of the extending plate extends towards the connecting plate along the left-right direction and is connected with the connecting plate.

According to some embodiments of the utility model, a sealing flange extending towards the second side wall is arranged at the rear end of the first worm plate, the evaporator assembly comprises a first side plate arranged vertically, the first side plate is positioned at one end of the evaporator towards the second side wall, and the sealing flange is in sealing connection with the first side plate through a flexible sealing element.

According to some embodiments of the utility model, the evaporator support of the evaporator assembly comprises an upper end plate and a lower end plate which are arranged at intervals up and down, the air duct volute comprises a top plate and a bottom plate which are arranged at intervals up and down, the upper end plate is matched with opposite edges of the top plate in shape and is in sealing connection to seal the top of the air duct, and the lower end plate is matched with opposite edges of the bottom plate in shape and is in sealing connection to seal the bottom of the air duct.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic view of a floor air conditioner indoor unit according to an embodiment of the present utility model;

fig. 2 is an exploded view of the indoor unit of the stand air conditioner shown in fig. 1;

fig. 3 is a plan view of the indoor unit of the stand air conditioner shown in fig. 1;

FIG. 4 is a schematic view of the air conditioner indoor unit of FIG. 3 without an air outlet frame assembly;

FIG. 5 is a schematic view of the evaporator assembly and air duct assembly shown in FIG. 1;

FIG. 6 is a schematic view of the evaporator assembly and connection plate shown in FIG. 5;

FIG. 7 is a schematic view of the air chute assembly shown in FIG. 5;

FIG. 8 is a schematic view of another angle of the air chute assembly shown in FIG. 7;

FIG. 9 is a schematic view of another angle of the evaporator assembly and the connection plate shown in FIG. 6;

FIG. 10 is a schematic view of the evaporator, connection plate and heating device shown in FIG. 6;

FIG. 11 is a schematic view of the evaporator stand shown in FIG. 6;

fig. 12 is a schematic view of the connection plate shown in fig. 5.

Reference numerals:

1000. a vertical air conditioner indoor unit; 1100. An air inlet; 1200. An air outlet;

10. a housing; 11. A first sidewall; 12. A second sidewall;

20. an evaporator assembly; 21. a first heat exchange section; 22. a second heat exchange section; 23. an evaporator support; 231. an upper end plate; 2311. a second fixing hole; 2312. positioning columns; 232. a lower end plate; 2321. a support rib; 2322. a first support rib; 233. a vertical bracket; 2331. transverse ribs; 2332. a chute; 24. an evaporator; 25. a first side plate;

30. an air duct assembly; 31. an air duct volute; 311. a first volute plate; 3111. sealing and flanging; 312. a second volute plate; 3121. a first plate segment; 3122. a second plate segment; 313. a top plate; 314, a step of; a bottom plate; 315. an extension plate; 32. a wind wheel;

40. a connecting plate; 41. a first fixing hole; 42. positioning holes; 43. reinforcing ribs; 44. a ground connection region;

50. an air duct;

60. a front panel assembly;

70. a panel bracket assembly;

80. an air outlet frame assembly;

90. a top cover;

100. a chassis assembly;

110. an outer box floor assembly;

120. a heating device.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Hereinafter, a floor air conditioner indoor unit 1000 according to an embodiment of the present utility model will be described with reference to fig. 1 to 12.

As shown in fig. 3 and 4, a floor air conditioner indoor unit 1000 according to an embodiment of the present utility model includes: a housing 10, an evaporator assembly 20 and a duct assembly 30.

Specifically, the casing 10 has a first side wall 11 and a second side wall 12 oppositely arranged in a left-right direction, the evaporator assembly 20 is arranged in the casing 10, the evaporator assembly 20 comprises a first heat exchange section 21 and a second heat exchange section 22 which are arranged in an L shape in a horizontal plane, the first heat exchange section 21 extends along a rear side wall of the casing 10, one end of the second heat exchange section 22 is connected with the first heat exchange section 21, the other end of the second heat exchange section 22 extends forward along the first side wall 11, the air duct assembly 30 is arranged in the casing 10 and is positioned on one side of the second side wall 12 of the casing 10, the air duct assembly 30 comprises an air duct volute 31, the rear end of the air duct volute 31 is connected with one end, far away from the second heat exchange section 22, of the first heat exchange section 21, and the front end of the air duct volute 31 extends to the front side wall of the casing 10 along the second side wall 12.

When the vertical air conditioner indoor unit 1000 works, air flow enters from the evaporator 24 end, is accelerated by the air duct assembly 30 and is blown out from the air outlet, in the embodiment, the air duct assembly 30 is close to the rear side of the vertical air conditioner indoor unit 1000, the air outlet 1200 is positioned on the front side of the vertical air conditioner indoor unit 1000, the distance between the air duct assembly 30 and the air outlet 1200 is increased, the air speed of the air outlet 1200 is increased, the air outlet quantity is increased, the air supply distance is longer, meanwhile, the noise at the air duct assembly 30 is increased in the propagation distance in the vertical air conditioner indoor unit 1000, the noise reduction degree is increased, and the noise sound transmitted to the outside environment is reduced.

As shown in fig. 3, the evaporator assembly 20 is disposed in the housing 10 and located at the left and rear side walls of the housing 10, the air duct assembly 30 is disposed in the housing 10 and disposed proximate to the right and front side walls of the housing 10, and at this time, the evaporator assembly 20 and the air duct assembly 30 are disposed at both sides of the housing 10, respectively, such that the air duct assembly 30 and the evaporator assembly 20 can fully utilize the space in the housing 10, and the wind wheel 32 in the air duct assembly 30 is located as close to the rear and right sides of the housing 10 as possible, thereby increasing the space between the wind inlet 1100 and the wind wheel 32, increasing the space between the wind wheel 32 and the wind outlet 1200, thereby increasing the length of the air duct 50 in the housing 10, improving the air volume, increasing the air supply distance, reducing the noise of the air duct 50, and in addition, making the air intake smoother.

According to the vertical air conditioner indoor unit 1000 of the embodiment of the utility model, the evaporator assembly 20 and the air duct assembly 30 are arranged left and right in the shell 10, so that the air quantity can be increased, the air supply distance can be increased, and the noise of the air duct 50 can be reduced.

In some embodiments of the present utility model, as shown in fig. 5, the indoor unit 1000 of the floor air conditioner further includes: the connecting plate 40, the connecting plate 40 is vertically arranged and extends left and right, the left and right ends of the connecting plate 40 are respectively connected with the front end of the second heat exchange section 22 and the air duct volute 31, and the connecting plate 40, the air duct assembly 30 and the evaporator assembly 20 cooperate to define an air duct 50. By arranging the connecting plate 40, the front end of the second heat exchange section 22 and the air duct volute 31 are in sealed connection, so that the connecting plate 40, the air duct assembly 30 and the evaporator assembly 20 cooperate to define the air duct 50, and air flow in the vertical air conditioner indoor unit 1000 is restrained.

In some embodiments of the present utility model, as shown in fig. 6, the evaporator assembly 20 includes: the evaporator 24 and the evaporator bracket 23, the evaporator 24 is fixed on the evaporator bracket 23, and one end of the connecting plate 40 in the left-right direction is fixedly connected with the evaporator bracket 23. After entering the vertical air conditioner indoor unit 1000, the air flows through the evaporator 24 to exchange heat to reach a set temperature, and the connecting plate 40 is connected with the evaporator bracket 23 to define an air duct 50, so that the flowing range of the air flows after heat exchange is limited, and the air flows in the air duct 50 to the air duct assembly 30 and is blown out from the air outlet 1200.

In some embodiments of the present utility model, as shown in fig. 10 and 11, an upper end edge of the connection plate 40 is upwardly beyond an upper end edge of the evaporator 24, and an upper end of the connection plate 40 is provided with a first fixing hole 41, and the evaporator stand 23 includes: the upper end plate 231 provided on the upper side of the evaporator 24 is provided with a second fixing hole 2311, and the connection plate 40 is connected with the upper end plate 231 by passing through the first fixing hole 41 and the second fixing hole 2311 through a fastener, thereby, connection of the connection plate 40 and the upper end plate 231 can be achieved, and connection of the connection plate 40 and the upper end plate 231 can be more stable by passing through the first fixing hole 41 and the second fixing hole 2311 through a fastener.

In some embodiments of the present utility model, as shown in fig. 11 and 12, one of the connection plate 40 and the upper end plate 231 is provided with a positioning hole 42 and the other is provided with a positioning post 2312, and the positioning post 2312 is fitted into the positioning hole 42 to position the connection plate 40 on the evaporator stand 23. The upper end plate 231 is provided with a positioning post 2312 when the connecting plate 40 is provided with a positioning hole 42, and the upper end plate 231 is provided with a positioning hole 42 when the connecting plate 40 is provided with a positioning post 2312. By engaging the positioning posts 2312 with the positioning holes 42, positioning can be provided for the assembly of the connection plate 40 and the upper end plate 231, and the relative displacement of the connection plate 40 and the evaporator stand 23 can be restricted, so that the connection is more stable.

In some embodiments of the present utility model, as shown in fig. 10 and 11, the lower end edge of the connection plate 40 extends downward beyond the lower end edge of the evaporator 24, and the evaporator stand 23 further includes: the lower end plate 232 is arranged at the lower side of the evaporator 24, the lower end plate 232 is provided with a raised supporting rib 2321, and the lower end of the connecting plate 40 is supported on the supporting rib 2321. By providing the support ribs 2321, the support strength of the lower end plate 232 to the connecting plate 40 is increased, and meanwhile, the support ribs 2321 can play a role in positioning when the evaporator 24 is assembled on the evaporator bracket 23, so that the mounting offset of the evaporator 24 is avoided.

In some embodiments of the present utility model, as shown in fig. 11, the lower end plate 232 is further provided with a first supporting rib 2322, where the first supporting rib 2322 is used to support the evaporator 24, and the first supporting rib 2322 may also fix the position of the evaporator 24, avoid the movement of the evaporator 24 relative to the evaporator stand 23, and may also assist in positioning when installing the evaporator 24. The first support ribs 2322 may include a plurality of, for example, 2, 3 or 4 first support ribs 2322, and the plurality of first support ribs 2322 may be arranged at intervals along the extending direction of the evaporator 24, so that the positions of the plurality of first support ribs 2322 arranged at intervals may be matched with the shape of the evaporator 24, and thus the support of the evaporator 24 by the first support ribs 2322 is more stable.

In some embodiments of the present utility model, as shown in fig. 5, the evaporator stand 23 further includes: the vertical support 233, the vertical support 233 extends vertically, the upper end plate 231 and the lower end plate 232 are connected to the upper end and the lower end of the vertical support 233, the upper end plate 231, the lower end plate 232 and the vertical support 233 cooperate to define an installation space, and the evaporator 24 can be disposed in the installation space. The evaporator stand 23 of the present embodiment is simple in structure, can mount and support the evaporator 24, and restricts displacement of the evaporator 24.

In some embodiments of the present utility model, as shown in fig. 5, the vertical support 233 includes: the plurality of transverse ribs 2331, the plurality of transverse ribs 2331 are arranged at intervals along the up-down direction, the transverse ribs 2331 are provided with sliding grooves 2332, the sliding grooves 2332 extend from one end of the transverse ribs 2331 to the other end, and the sliding grooves 2332 are used for installing filtering pieces. In this embodiment, by providing the sliding grooves 2332 on the plurality of transverse ribs 2331, the sliding grooves 2332 provide installation space for the filter element, so that the filter element can be installed on the vertical support 233, when the air flow is blown through the spaces between the plurality of transverse ribs 2331, the filter element installed in the sliding grooves 2332 of the transverse ribs 2331 can filter the blown air flow.

In some embodiments of the present utility model, as shown in fig. 12, the connection plate 40 is provided with a reinforcing rib 43; by providing the reinforcing ribs 43, the strength of the connection plate 40 can be enhanced.

In some embodiments of the present utility model, as shown in fig. 12, a ground connection area 44 is provided on the connection plate 40. By providing the ground connection area 44 and connecting the ground line to the ground connection area 44, the floor air conditioner indoor unit 1000 can be grounded.

In some embodiments of the present utility model, the connection plate 40 is in sealing connection with the evaporator stand 23 through a flexible sealing member, and the flexible sealing member not only can realize sealing connection between the connection plate 40 and the evaporator stand 23, but also can play a role in damping between the connection plate 40 and the evaporator stand 23, so as to reduce vibration and noise.

In some embodiments of the present utility model, the connection plate 40 is in sealing connection with the air duct volute 31 through a flexible sealing member, and the flexible sealing member not only can realize the sealing connection between the connection plate 40 and the air duct volute 31 to play a role in damping between the connection plate 40 and the air duct volute 31, but also can reduce vibration and noise.

In some embodiments of the present utility model, as shown in fig. 3, the air duct volute 31 includes: the first scroll 311 and the second scroll 312 and the extension plate 315, wherein the first scroll 311 extends forward and backward along the second side wall 12, the rear end of the first scroll 311 is connected to the first heat exchange section 21 and the front end extends toward the front side wall of the casing 10, the second scroll 312 is provided on a side of the first scroll 311 facing the second heat exchange section 22, the second scroll 312 extends obliquely in a backward-to-forward direction (e.g., backward-to-forward direction shown in fig. 3) toward the first side wall 11 to the front side wall of the casing 10 (e.g., the front side wall of the casing 10 shown in fig. 3), the extension plate 315 extends left and right (e.g., left-to-right direction shown in fig. 3), one end of the extension plate 315 is connected to the second scroll 312, and the other end of the extension plate 315 extends toward the connection plate 40 in the left-to-right direction and is connected to the connection plate 40. By arranging the first volute plate 311, the second volute plate 312 and the connecting plate 315, the air duct 50 located in the casing 10 can be defined by being matched with the first heat exchange section 21 and the second heat exchange section 22, so that after the air flow enters the vertical air conditioner indoor unit 1000 from the air inlet 1100, the flow track of the air flow is defined in the air duct 50, after the air flow exchanges heat at the evaporator assembly 20, the air flow is accelerated by the wind wheel, and then the air flow is blown out from the air outlet 1200, and the first volute plate 311 can more conveniently realize the sealing connection of the first heat exchange end and the air duct volute 31, and the connecting plate 315 can more conveniently realize the sealing connection of the second heat exchange section 22 and the air duct volute 31.

In some embodiments of the present utility model, as shown in fig. 3, the second scroll plate 312 includes a first plate segment 3121 and a second plate segment 3122, the first plate segment 3121 extending obliquely toward the first scroll plate 311 in a back-to-front direction (e.g., back-to-front direction as shown in fig. 3), the second plate segment 3122 being connected to a front end of the first plate segment 3121 (e.g., front end of the first plate segment 3121 as shown in fig. 3), the second plate segment 3122 extending obliquely toward a direction away from the first scroll plate 311 in a back-to-front direction, and the extension plate being connected to a front end of the second plate segment 3122 (e.g., front end of the second plate segment 3122 as shown in fig. 3). In this way, while the second heat exchange section 22 is in sealing connection with the air duct volute 31, a side of the air duct assembly 30 facing the evaporator assembly 20 (e.g., a left side of the wind wheel 32 shown in fig. 4) may have a larger contact area with the air flow blown through the evaporator assembly 20, so that as much air flow passing through the heat exchange of the evaporator assembly 20 is blown out through the air duct assembly 30 as possible, thereby ensuring the working effect of the air conditioner indoor unit 1000.

In some embodiments of the present utility model, as shown in fig. 6 and 8, the rear end of the first scroll 311 is provided with a sealing flange 3111 extending toward the second side wall 12, and the evaporator assembly 20 includes a vertically disposed first side plate 25, the first side plate 25 being located at an end of the evaporator 24 toward the second side wall 12, the sealing flange 3111 being sealingly connected to the first side plate 25 by a flexible seal. The sealing flange 3111 is connected with the first side plate 25 through the flexible sealing element, so that the area of a connecting surface can be increased, the sealing effect is enhanced, the flexible sealing element can play a role in damping while the sealing connection effect is ensured, besides, the projection superposition part of the first volute and the evaporator 24 in the front-back direction is less, the air flow is less blocked when entering the air duct 50 after passing through the evaporator 24, and the air inlet efficiency of the air flow entering the air duct 50 from the evaporator 24 is improved.

In some embodiments of the present utility model, as shown in fig. 8 and 9, the evaporator 24 support 23 of the evaporator assembly 20 includes an upper end plate 231 and a lower end plate 232 which are arranged at an upper and lower interval, the air duct volute 31 includes a top plate 313 and a bottom plate 314 which are arranged at an upper and lower interval, the upper end plate 231 is adapted and connected with opposite edges of the top plate 313 in a shape and sealing manner to close the top of the air duct 50, and the lower end plate 232 is adapted and connected with opposite edges of the bottom plate 314 in a shape and sealing manner to close the bottom of the air duct 50. The upper end plate 231 of the evaporator bracket 23 and the top plate 313 of the air duct volute 31, the lower end plate 232 of the evaporator bracket 23 and the bottom plate 314 of the air duct volute 31 are in face-to-face sealing connection, so that the top and bottom sealing of the air duct 50 is realized, the structure is simple, the installation is convenient, and the production efficiency is greatly improved.

In some embodiments of the present utility model, the upper end plate 231 of the evaporator stand 23 and the top plate 313 of the air duct volute 31 are hermetically connected by a flexible seal, and the flexible seal can also play a role in damping while achieving the effect of the sealed connection between the upper end plate 231 of the evaporator stand 23 and the top plate 313 of the air duct volute 31.

In some embodiments of the present utility model, the lower end plate 232 of the evaporator stand 23 and the bottom plate 314 of the air duct volute 31 are hermetically connected by a flexible seal, and the flexible seal can also play a role in shock absorption while achieving the effect of the sealed connection between the lower end plate 232 of the evaporator stand 23 and the bottom plate 314 of the air duct volute 31.

In some embodiments of the present utility model, the air conditioner indoor unit 1000 further includes a heating device 120, the heating device 120 is disposed between the upper end plate 231 and the lower end plate 232 of the evaporator stand 23, when the air conditioner indoor unit 1000 is in the heating operation mode, the heating device 120 starts to operate, the temperature of the heating device 120 increases, and the air flow passes through the evaporator assembly and is heated by the heating device 120, and is then accelerated by the air duct assembly 30 and is blown out from the air outlet 1200.

Hereinafter, a floor air conditioner indoor unit 1000 according to one embodiment of the present utility model will be described with reference to fig. 1 and 2.

As shown in fig. 1, the floor air conditioner is provided with an air inlet 1100 and an air outlet 1200, and in particular, as shown in fig. 2, the floor air conditioner includes a front panel assembly 60, a panel bracket assembly 70, an air outlet frame assembly 80, an air duct assembly 30, an evaporator assembly 20, an outer case floor assembly 110, a top cover 90, and a chassis assembly 100. Wherein, the air intake 1100 is disposed on the outer bottom plate assembly 110, the evaporator assembly 20 is disposed on the front side of the outer bottom plate assembly 110 corresponding to the position of the air intake 1100, the air duct assembly 30 is disposed on the front side of the evaporator assembly 20, the rear side of the air outlet frame assembly 80 is connected with the front side of the air duct assembly 30, the rear side of the panel bracket assembly 70 is connected with the front side of the air outlet frame assembly 80, the front panel assembly 60 is connected with the front side of the panel bracket assembly 70, the air outlet 1200 is disposed on the front panel assembly 60, the top cover 90 is suitable for being mounted on the upper end of the vertical air conditioner, and the chassis assembly 100 is suitable for being mounted on the lower end of the vertical air conditioner.

The evaporator assembly 20 and the air duct assembly 30 are oppositely arranged left and right in the vertical air conditioner indoor unit 1000 and are in sealing connection, and the air duct assembly 30 is close to the rear side of the vertical air conditioner indoor unit 1000. Specifically, the upper sides of the evaporator assembly 20 and the duct assembly 30, the edges of the upper end plate 231 and the top plate 313 are bonded and sealingly connected by a flexible seal; the edges of the lower end plate 232 and bottom plate 314 are in engagement and sealed connection by flexible seals on the underside of the evaporator assembly 20 and duct assembly 30; the evaporator assembly 20 and the air duct assembly 30 are hermetically connected at the left side thereof by a connecting plate 40, the evaporator assembly 20 is connected at the left side of the connecting plate 40, the air duct assembly 30 is connected at the right side thereof, and the vertical air conditioner further has a heating device 120, wherein the heating device 120 is installed between an upper end plate 231 and a lower end plate 232 of the evaporator assembly 20.

When the evaporator assembly is assembled, the connecting plate 40 is firstly installed on the evaporator assembly 20, the upper end of the connecting plate 40 is provided with a positioning hole 42 and a first fixing hole 41, the upper end plate 231 of the evaporator bracket 23 is provided with a positioning column 2312 and a second fixing hole 2311, the upper end of the connecting plate 40 and the upper end plate 231 of the evaporator bracket 23 are positioned in a matched manner through the positioning hole 42 and the positioning column 2312, the installation of the upper end of the connecting plate 40 on the upper end plate 231 of the evaporator bracket 23 is realized through penetrating the first fixing hole 41 and the second fixing hole 2311 through a fastener, the lower end plate 232 of the evaporator bracket 23 is provided with a supporting rib 2321, the lower side of the connecting plate 40 is installed on the supporting rib 2321, the right side of the connecting plate 40 is connected with the second volute of the air duct 31, and flexible sealing pieces are arranged between the connecting plate 40 and the evaporator bracket 23 and the air duct volute 31, so that the sealing connection of the evaporator assembly 20 and the left side of the air duct assembly 30 is realized; to the right of the evaporator assembly 20 and the air duct assembly 30, the first side plate 25 on the evaporator assembly 20 is sealingly connected to the sealing flange 3111 on the air duct assembly 30 by a flexible seal, thereby effecting a sealed connection of the evaporator assembly 20 and the air duct assembly 30.

When the vertical air conditioner indoor unit 1000 works, air flow enters from an air inlet, passes through the evaporator 24 assembly 20 to realize heat exchange and then enters the air duct 50, and is accelerated by the air duct assembly 30 and then is blown out from the air outlet 1200.

According to the vertical air conditioner indoor unit 1000 of the embodiment of the utility model, the evaporator assembly 20 is in sealing connection with the air duct assembly 30, air which is not subjected to heat exchange by the evaporator assembly 20 cannot enter the air duct 50, so that the working effect of the vertical air conditioner indoor unit 1000 is ensured, meanwhile, the distance between the air duct assembly 30 and the air outlet 1200 is larger, the accelerating distance of air flow is longer, the air flow speed blown out by the air outlet 1200 is faster, the air outlet is increased, the air supply distance is longer, meanwhile, the propagation distance of noise at the air duct assembly 30 in the vertical air conditioner indoor unit 1000 is increased, the noise reduction degree is increased, and the noise sound propagated to the outside environment is reduced.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vertical air conditioner indoor unit, comprising:

a housing having a first side wall and a second side wall arranged opposite to each other in a left-right direction;

the evaporator assembly is arranged in the shell and comprises a first heat exchange section and a second heat exchange section which are distributed in an L shape in a horizontal plane, the first heat exchange section extends along the rear side wall of the shell, one end of the second heat exchange section is connected with the first heat exchange section, and the other end of the second heat exchange section extends forwards along the first side wall;

the air duct assembly is arranged in the shell and is positioned on one side of the second side wall of the shell, the air duct assembly comprises an air duct volute, the rear end of the air duct volute is connected with one end, far away from the second heat exchange section, of the first heat exchange section, and the front end of the air duct volute extends to the front side wall of the shell along the second side wall.

2. The indoor unit of floor air conditioner according to claim 1, further comprising: the connecting plate is vertically arranged and extends leftwards and rightwards, the left end and the right end of the connecting plate are respectively connected with the front end of the second heat exchange section and the air duct volute, and the connecting plate, the air duct assembly and the evaporator assembly are matched to define an air duct.

3. The indoor unit of floor air conditioner according to claim 2, wherein the evaporator assembly comprises: the evaporator is fixed on the evaporator support, and one end of the connecting plate in the left-right direction is fixedly connected with the evaporator support.

4. The indoor unit of claim 3, wherein the upper end edge of the connection plate extends upward beyond the upper end edge of the evaporator, a first fixing hole is formed in the upper end of the connection plate, and the evaporator bracket includes: the upper end plate is arranged on the upper side of the evaporator, a second fixing hole is formed in the upper end plate, and the connecting plate passes through the first fixing hole and the second fixing hole through a fastener to be connected with the upper end plate.

5. The indoor unit of claim 4, wherein one of the connection plate and the upper end plate is provided with a positioning hole and the other one is provided with a positioning post, and the positioning post is fitted into the positioning hole to position the connection plate on the evaporator bracket.

6. The indoor unit of claim 4, wherein the lower end edge of the connection plate extends downward beyond the lower end edge of the evaporator, and the evaporator stand further comprises: the lower end plate is arranged at the lower side of the evaporator, a raised supporting rib is arranged on the lower end plate, and the lower end of the connecting plate is supported on the supporting rib.

7. The indoor unit of a vertical air conditioner according to claim 3, wherein the connecting plate is provided with a reinforcing rib; and/or the connecting plate is provided with a grounding connecting area.

8. The indoor unit of floor air conditioner according to any one of claims 2-7, wherein the duct volute comprises:

the first worm plate extends forwards and backwards along the second side wall, the rear end of the first worm plate is connected with the first heat exchange section, and the front end of the first worm plate extends towards the front side wall of the shell;

the second worm plate is arranged on one side of the first worm plate, which faces the second heat exchange section;

and the extending plate extends leftwards and rightwards, one end of the extending plate is connected with the second worm plate, and the other end of the extending plate extends towards the connecting plate along the left-right direction and is connected with the connecting plate.

9. The indoor unit of claim 8, wherein the rear end of the first scroll includes a sealing flange extending toward the second side wall, the evaporator assembly includes a first side plate disposed vertically, the first side plate is located at an end of the evaporator facing the second side wall, and the sealing flange is connected with the first side plate in a sealing manner by a flexible sealing member.

10. The indoor unit of any one of claims 1-7, wherein the evaporator support of the evaporator assembly includes an upper end plate and a lower end plate that are arranged at an upper and lower interval, the air duct volute includes a top plate and a bottom plate that are arranged at an upper and lower interval, the upper end plate is adapted to form and is connected in a sealing manner with opposite edges of the top plate to close the top of the air duct, and the lower end plate is adapted to form and is connected in a sealing manner with opposite edges of the bottom plate to close the bottom of the air duct.