CN221403242U

CN221403242U - Indoor unit of vertical air conditioner

Info

Publication number: CN221403242U
Application number: CN202322851633.0U
Authority: CN
Inventors: 武滕; 孙合庆; 蒋智群; 逯成林; 胡继刚
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-23
Anticipated expiration: 2033-10-24

Abstract

The utility model provides a vertical air conditioner indoor unit, comprising: a shell on which a fresh air inlet and a purifying air inlet are formed; the first bracket is positioned at the front sides of the fresh air inlet and the purifying air inlet; the first bracket comprises a first bracket plate; the fresh air through hole is formed on the first support plate; the purification air port is formed on the first support plate; the anti-backflow plate is rotationally connected to the first bracket; the first support plate comprises a first support front side surface positioned at the front side of the first support plate, and the first support front side surface is a plane and is provided with a front side surface contour line parallel to the horizontal plane; one end of the front side surface of the first bracket, which is close to the purifying air inlet, is positioned in front of one end of the front side surface of the first bracket, which is close to the fresh air inlet; the front side profile line and the width direction of the main body form an included angle alpha; the projection of the rotation axis of the backflow preventing plate and the contour line of the front side surface on the same horizontal plane is not vertical; the sealing effect of the anti-backflow plate on the purifying air inlet can be better achieved.

Description

Indoor unit of vertical air conditioner

Technical Field

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

Background

The vertical air conditioner indoor unit comprises a main body, wherein the main body comprises a first cavity and a shell which are arranged in the main body, a heat exchange air inlet and a heat exchange air outlet are formed in the shell, and the heat exchange air inlet and the heat exchange air outlet are communicated with the first cavity. The main body further comprises an indoor heat exchanger and a heat exchange fan, the indoor heat exchanger and the heat exchange fan are arranged in the first cavity, the heat exchange fan is arranged on the front side of the indoor heat exchanger, under the driving of the heat exchange fan, indoor air enters the first cavity from the indoor air inlet, and after the indoor air entering the first cavity exchanges heat with the indoor heat exchanger, the indoor air flows out from the heat exchange air outlet. In order to improve the air quality of the indoor environment, a fresh air module can be added on a traditional air conditioner indoor unit, and outdoor fresh air can be introduced into a room by using the fresh air module, so that the indoor air is updated, and the quality of the indoor environment is improved.

For the vertical air conditioner indoor unit, in order to conveniently introduce fresh air and arrange the parts of the air conditioner indoor unit, a fresh air module is generally arranged at the bottom of the air conditioner indoor unit, a second cavity is arranged below the first cavity, a fresh air volute is arranged in the second cavity, and a fresh air inlet for introducing outdoor fresh air is formed in the rear side of the main body. The fresh air module generally comprises a fresh air fan and a fresh air volute, a fan cavity is defined in the fresh air volute, the fresh air fan of the fresh air fan is arranged in the fan cavity, the fan cavity is communicated with a fresh air inlet, and under the driving of the fresh air fan, outdoor fresh air is introduced into a room from the fresh air inlet through the fan cavity. For the fresh air purification, a purification device can be arranged to purify the fresh air. Meanwhile, in order to ensure the quality of indoor air, a purifying air inlet is further formed in one side of the fresh air inlet, so that the indoor air can be purified, and the outdoor air inlet can be neutralized, so that the influence on user experience due to the fact that the temperature difference between the outdoor fresh air temperature and the indoor air is large is avoided.

In order to realize independent and simultaneous air inlet of the purifying air inlet and the fresh air inlet, at present, a switch is usually arranged at the purifying air inlet and the fresh air inlet respectively, but the control of a switch structure is relatively complex and the stability is poor; in the prior art, the air door capable of controlling the purifying air inlet and the fresh air inlet simultaneously exists, but the air door has poor sealing property on the purifying air inlet and the fresh air inlet, when the fresh air is independently opened, air channeling easily occurs at the air door, so that indoor air is introduced, and the introduction amount of the fresh air is reduced; in addition, as the purification device is arranged to purify the fresh air and the indoor air at the same time, when the fresh air is independently supplied, the air channeling can be generated at the purification device, so that the indoor air enters the fresh air inlet side through the gap between the purification device and other structures, and the introduction amount of the fresh air is reduced; the reduction of the fresh air introduction amount can influence the air replacement time in the air conditioner, so that the replacement time is longer, the indoor environment is poorer, and the user experience is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, according to an embodiment of the present disclosure, there is provided a stand air conditioner indoor unit including:

A main body whose top to bottom is a height direction of the main body; the main body at least comprises a first cavity and a second cavity which are positioned in the main body, and the first cavity is positioned above the second cavity;

The main body includes:

The shell is provided with a heat exchange air inlet, a heat exchange air outlet, a fresh air inlet and a purification air inlet, wherein the heat exchange air inlet and the heat exchange air outlet are communicated with the first cavity, and the fresh air inlet and the purification air inlet are communicated with the second cavity;

the fresh air inlet and the purification air inlet are positioned at the rear side of the main body;

The indoor heat exchanger is arranged in the first cavity;

the heat exchange fan is arranged in the first cavity and positioned in front of the indoor heat exchanger;

the fresh air volute is arranged in the second cavity;

the fresh air fan is arranged in the fresh air volute;

the first bracket is arranged in the second cavity, and is positioned at the rear side of the fresh air volute and at the front sides of the fresh air inlet and the purification air inlet; the first bracket comprises a first bracket plate;

the fresh air outlet is formed on the first support plate and is opposite to the fresh air inlet;

The purification air passing opening is formed on the first support plate and is opposite to the purification air inlet;

The anti-backflow plate is rotationally connected to the first bracket and is switched between a position for closing the purification air passing opening and opening the fresh air passing opening, a position for opening the purification air passing opening and closing the fresh air passing opening and a position for simultaneously opening the purification air passing opening and the fresh air passing opening;

The first support plate comprises a first support front side surface positioned on the front side of the first support plate, and the first support front side surface is a plane and is provided with a front side surface contour line parallel to the horizontal plane;

One end of the front side surface of the first bracket, which is close to the purifying air inlet, is positioned in front of one end of the front side surface of the first bracket, which is close to the fresh air inlet; the front side profile line and the width direction of the main body form an included angle alpha;

the projection of the rotation axis of the backflow preventing plate and the front side contour line on the same horizontal plane is not vertical.

The one end that sets up first support leading flank and is close to the one end that purifies the air intake is located the place ahead that first support leading flank is close to the new trend air intake, leading flank contour line is contained angle alpha setting with the width direction of main part to and prevent that the rotation axis of back-flow board is not perpendicular with the projection of leading flank contour line on same horizontal plane, make prevent flowing backward by closing the position of new trend air intake to when closing the position rotation of purifying the air intake, prevent flowing backward the sealing effect of back-flow board to purifying the air intake of realization that can be better, can effectually reduce purifying the air outlet and prevent flowing backward the air leakage between the board.

According to an embodiment of the disclosure, the first support plate includes a first support rear side surface located at the rear side of the first support, the first support rear side surface is a plane and has a rear side surface contour line parallel to the horizontal plane, and the rear side surface contour line is disposed at an included angle β with the width direction of the main body; the one end that is close to of first support trailing flank purification air intake is located the first support trailing flank is close to the rear of the one end of new trend air intake for the thickness of the first mounting panel of purification air intake front side is greater than the thickness of the first mounting panel of new trend air intake front side, can increase the resistance that purifies the air gap to a certain extent, can effectually reduce and purify the air leakage between air gap and the anti-backflow board.

According to an embodiment of the present disclosure, the body further comprises:

The second purification device is inserted on the first bracket and positioned behind the first bracket plate, and is used for purifying air entering the fan cavity from the fresh air inlet and/or the purification air inlet.

According to an embodiment of the present disclosure, the second purifying device includes a second screen including a second screen frame including:

The first ribs of the filter screen are arranged in a non-horizontal mode and are positioned between the purifying air inlet and the fresh air inlet;

The second ribs of the filter screen are arranged non-horizontally, and are positioned at one end of the second filter screen frame, which is close to the fresh air inlet, in the width direction of the main body;

in the front-back direction of main part, the thickness of filter screen first muscle is greater than the thickness of filter screen second muscle, conveniently reduces the interval of filter screen second muscle and preceding back spare thereof, reduces and scurries wind in filter screen second muscle department.

According to the embodiment of the disclosure, the shell comprises a convex plate rear plate arranged at the rear side of the shell, and the fresh air inlet and the purifying air inlet are positioned on the convex plate rear plate;

In the front-back direction of the main body, the minimum distance between the first support plate and the convex plate back plate is greater than the thickness of the second filter screen frame, so that the second filter screen is conveniently pulled.

According to the embodiment of the disclosure, in the front-rear direction of the main body, the distance between the first rib of the filter screen and the convex plate rear plate is smaller than the distance between the second rib of the filter screen and the convex plate rear plate, so that wind channeling between the second rib of the filter screen and the convex plate rear plate is reduced.

According to the embodiment of the disclosure, in the width direction of the main body, the size of the first rib of the filter screen is 5mm-15mm, so that blow-by at the second rib of the filter screen is reduced.

According to the embodiment of the disclosure, the thickness of the ribs, which are arranged in a non-horizontal manner, of the second filter screen frame gradually increases in the front-rear direction of the main body from one end of the second filter screen frame, which is close to the fresh air inlet, to one end of the second filter screen frame, which is far away from the fresh air inlet.

According to the embodiment of the disclosure, the rotation shaft of the backflow preventing plate is arranged along the front-back direction of the main body, so that the backflow preventing plate is conveniently arranged.

According to an embodiment of the present disclosure, there is also provided a vertical air conditioner indoor unit including:

The main body includes:

The shell comprises a convex plate rear plate arranged at the rear side of the shell, and the fresh air inlet and the purifying air inlet are positioned on the convex plate rear plate;

The indoor heat exchanger is arranged in the first cavity;

the fresh air volute is arranged in the second cavity;

the fresh air fan is arranged in the fresh air volute;

The second purifying device is inserted into the second cavity and positioned behind the fresh air volute and is used for purifying air entering the fan cavity from the fresh air inlet and/or the purifying air inlet;

The second purification device includes a second filter screen, the second filter screen including:

the second filter screen frame is provided with a plurality of second frame air passing holes;

the second filter screen body is connected to the second filter screen frame and covers the second frame through-air holes;

The second screen frame includes:

The thickness of the first rib of the filter screen is larger than that of the second rib of the filter screen in the front-back direction of the main body; the distance between the first rib of the filter screen and the convex plate back plate is smaller than the distance between the second rib of the filter screen and the convex plate back plate, so that wind channeling between the second rib of the filter screen and the convex plate back plate is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of an indoor unit of an air conditioner according to an embodiment of the present application;

Fig. 2 is a perspective view of an air conditioner indoor unit exposing a heat exchange air outlet according to an embodiment of the present application;

fig. 3 is another front view of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 4 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 5 is a partial construction view of an indoor unit of an air conditioner according to an embodiment of the present application;

Fig. 6 is a partial construction view of another indoor unit of an air conditioner according to an embodiment of the present application;

fig. 7 is a partial construction view of another indoor unit of an air conditioner according to an embodiment of the present application;

Fig. 8 is a partial construction view of another indoor unit of an air conditioner according to an embodiment of the present application;

fig. 9 is another partial structural sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

Fig. 10 is a partial construction view of another indoor unit of an air conditioner according to an embodiment of the present application;

fig. 11 is a partial construction view of another indoor unit of an air conditioner according to an embodiment of the present application;

FIG. 12 is a block diagram of a first purification apparatus according to an embodiment of the present application;

Fig. 13 is a partial construction view of another indoor unit of an air conditioner according to an embodiment of the present application;

fig. 14 is another partial structural sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

FIG. 15 is an enlarged view of a portion of FIG. 14 at A;

fig. 16 is another partial structural sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

Fig. 17 is another partial structural sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 18 is a partial enlarged view at B in fig. 17;

FIG. 19 is an exploded view of a fresh air volute and fresh air blower according to an embodiment of the application;

Fig. 20 is an exploded view of a fresh air volute, fresh air blower, and baffle according to an embodiment of the present application.

In the above figures: a main body 100; a housing 1; a first purge insertion port 1121; a third purge insertion port 1122; a rear case convex plate 1131; a convex plate rear plate 11311; a flange side plate 11312; a first chamber 131; a second chamber 132; a convex cavity 1321; a heat exchange air inlet 141; a heat exchange air outlet 1421; fresh air outlet 1422; fresh air inlet 143; a purge inlet 144; an indoor heat exchanger 21; a heat exchange fan 22; a fresh air module 3; a fresh air volute 31; a front volute 311; a volute front plate 3111; a front volute side plate 3112; a rear volute 312; a volute inlet 3121; a volute back plate 3122; a rear volute side plate 3123; a fan cavity 315; a fresh air fan 32; a fresh air hood 33; a first purifying device 34; a second purifying device 35; a second screen 351; a second screen frame 3511; a second frame wind hole 35111; first screen ribs 35112; screen second ribs 35113; a second purge handle 352; a first bracket 36; a first bracket plate 360; a first bracket front side 3601; a first bracket back side 3602; fresh air vent 361; a purge vent 362; an anti-backflow rail 364; anti-backflow guide plate 3641; anti-backflow limiting plate 3642; anti-backflow plate limit ribs 365; a backflow prevention plate 371; a backflow prevention substrate 3711; a first contact 3712; a second contact 3713; anti-backflow motor 372; a flow guide 41; a diversion tunnel 411; a baffle air inlet 412; and a baffle outlet 413.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

The present application proposes a vertical air conditioner indoor unit, and the vertical air conditioner indoor unit is described below with reference to fig. 1 to 20.

The vertical air conditioner indoor unit is a component part of an air conditioner, wherein the air conditioner further comprises an air conditioner outdoor unit.

Referring to fig. 1, the stand air conditioner indoor unit includes a main body 100.

Wherein the main body 100 has a top and a bottom, and the top of the main body to the bottom of the main body is the height direction of the main body. The main body 100 also has a width direction, wherein one side portion of the main body to the other side portion thereof is the width direction of the main body. The main body has a front side and a rear side which are oppositely arranged, wherein the side of the main body facing the user is the front side of the main body, and the front side of the main body to the rear side of the main body are the front-rear direction of the main body. The height direction, width direction and front-rear direction of the main body are perpendicular to each other.

Referring to fig. 1-4, the body 100 includes at least a first cavity 131 located within the body.

Referring to fig. 1 to 4, a main body 100 includes a cabinet 1, an indoor heat exchanger 21, and a heat exchange fan 22.

Referring to fig. 1 to 4, a heat exchange air inlet 141 and a heat exchange air outlet 1421 are formed on the casing 1, wherein the heat exchange air inlet is communicated with the first cavity, and the heat exchange air outlet is also communicated with the first cavity.

The heat exchange air inlet 141 is located at the rear side of the main body, and the heat exchange air outlet 1421 is located at the front side of the main body.

The indoor heat exchanger 21 is provided in the first chamber 131, and is used for exchanging heat with indoor air entering the first chamber.

The heat exchange fan 22 is arranged in the first cavity 131, the heat exchange fan 22 is positioned in front of the indoor heat exchanger, and the heat exchange fan is used for providing power for the flow of indoor air.

The rotation of the heat exchange fan enables indoor air to enter the first cavity from the heat exchange air inlet to exchange heat with the indoor heat exchanger, and the indoor air after heat exchange is discharged out of the first cavity from the heat exchange air outlet.

The air conditioner outdoor unit comprises an outdoor machine shell, an outdoor heat exchanger and an outdoor fan.

An outdoor accommodating space is arranged in the outdoor machine shell, wherein the outdoor fan and the outdoor heat exchanger are arranged in the outdoor accommodating space.

An outdoor air inlet and an outdoor air outlet are arranged on the outdoor machine shell, wherein the outdoor air inlet and the outdoor air outlet are communicated with the outdoor accommodating space. The outdoor air inlet is used for leading out outdoor air into the outdoor accommodating space, and the outdoor air outlet is used for leading out air in the outdoor accommodating space out of the outdoor accommodating space

The outdoor fan rotates to enable the outdoor air to enter the outdoor accommodating space from the outdoor air inlet to exchange heat with the outdoor heat exchanger, and the outdoor air after heat exchange flows out of the outdoor accommodating space from the outdoor air outlet.

The air conditioner further comprises a compressor and a throttling device, wherein the throttling device is used for throttling. The compressor is arranged in the outdoor accommodating space, and the throttling device is also arranged in the outdoor accommodating space.

The air conditioner performs a refrigerating cycle of the air conditioner by using a compressor, a condenser, a throttling device, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant to the air that has been conditioned and heat exchanged.

The compressor compresses refrigerant gas in a low-temperature and low-pressure state and discharges refrigerant gas in a high-temperature and high-pressure state.

The discharged refrigerant gas flows into the condenser.

The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion device expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant.

The evaporator evaporates the refrigerant expanded in the throttle device and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor.

The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner may adjust the temperature of the indoor space throughout the cycle.

In both the indoor heat exchanger and the outdoor heat exchanger, one of them is a condenser and the other is an evaporator, and when the indoor heat exchanger is used as the condenser, the air conditioner is used as a heater of a heating mode, and when the indoor heat exchanger is used as the evaporator, the air conditioner is used as a cooler of a cooling mode.

Referring to fig. 5, the body 100 may further include at least a second cavity 132 located within the body, wherein the first cavity is located above the second cavity.

Referring to fig. 6 to 8, a fresh air inlet 143 is formed in the cabinet 1, wherein the fresh air inlet communicates with the second chamber. The fresh air inlet is positioned at the rear side of the main body.

The main body 100 further includes a fresh air module 3 for introducing outdoor air into the room.

The fresh air module 3 comprises a fresh air volute 31 and a fresh air fan 32, wherein the fresh air volute is arranged in the second cavity, a fan cavity 315 is formed in the fresh air volute 31, and the fresh air volute is arranged in front of a fresh air inlet.

The new trend fan is located in the new trend spiral case, and the new trend fan includes new trend fan and new trend motor, and wherein, the fan intracavity is located to the new trend fan.

The rotation of the fresh air fan enables outdoor fresh air to enter the shell from the fresh air inlet, and the outdoor fresh air flows into the room through the fan cavity.

The fan cavity can be communicated with the heat exchange air outlet, and the rotation of the fresh air fan enables outdoor fresh air to enter the shell from the fresh air inlet, and the outdoor fresh air flows indoors from the heat exchange air outlet through the fan cavity. Or a fresh air outlet 1422 is formed on the shell and communicated with the fan cavity, and the rotation of the fresh air fan enables outdoor fresh air to enter the shell from the fresh air inlet, and the outdoor fresh air flows indoors from the fresh air outlet through the fan cavity.

Referring to fig. 9, the main body 100 further includes a first bracket 36, which may play a supporting role, and is disposed in the second cavity, the first bracket 36 is disposed at the rear side of the fresh air volute, and the first bracket 36 is disposed at the front side of the fresh air inlet.

Referring to fig. 10-13, the first bracket 36 includes a first bracket plate 360. The first bracket 36 is formed with a fresh air inlet 361, wherein the fresh air inlet is located on the first bracket plate 360, and the fresh air inlet is opposite to the fresh air inlet.

The main body 100 further comprises a backflow preventing plate 371, wherein the backflow preventing plate 371 is rotatably connected to the first bracket and is used for opening and closing the fresh air through-opening.

Referring to fig. 14 to 16, the backflow preventing plate includes a backflow preventing base plate 3711 having a certain distance from the first support plate.

The anti-backflow plate further comprises a first contact portion 3712, and the first contact portion 3712 is arranged on one side, close to the fresh air through hole, of the anti-backflow substrate.

The fresh air passing opening is provided with a fresh air passing opening outline positioned at one side of the first support plate, which is close to the anti-backflow substrate; when the anti-backflow plate closes the fresh air passing opening, the first contact part is positioned at the outer side of the outline of the fresh air passing opening.

Through setting up and preventing flowing backward the board including preventing flowing backward base plate and first contact portion for when falling down and irritating board and first support contact, can make first contact portion and first support contact, can reduce the area of contact of preventing flowing backward board and first support board, reduce and prevent flowing backward the board and rotate the card of in-process and stop the phenomenon, improve and prevent flowing backward board pivoted smoothness nature, guarantee to prevent flowing backward the normal work of board, guarantee the normal opening and closing of new trend air gap.

In some embodiments of the application, the body further comprises a backflow prevention motor 372, wherein the backflow prevention motor is fixed to the first bracket and the backflow prevention motor drives the backflow prevention plate to rotate.

In some embodiments of the present application, when the first contact portion contacts the first support plate, the first contact portion contacts the first support plate in a point, a line or a surface, so that a contact area between the anti-backflow plate and the first support plate can be reduced, a blocking phenomenon of the anti-backflow plate in a rotation process is reduced, rotation smoothness of the anti-backflow plate is improved, and normal operation of the anti-backflow plate is ensured.

When the first contact portion is in surface contact with the first support plate, a contact surface of the first contact portion and the first support may be a plane.

In some embodiments of the present application, the first contact portion is disposed in a peripheral ring, and when the anti-backflow plate closes the fresh air through-hole, the first contact portion is disposed around the outer side of the fresh air through-hole profile, so that the first contact portion can perform a sealing function when contacting the first support plate.

In some embodiments of the present application, referring to fig. 10 to 16, a purge air inlet 144 is formed in the cabinet, the purge air inlet 144 being in communication with the second chamber, the purge air inlet being provided at the rear side of the main body.

The first bracket is positioned at the front side of the purifying air inlet. The first support plate is formed with a purifying air outlet 362, which is disposed opposite to the purifying air inlet.

The anti-backflow plate is rotatably connected to the first support, and is used for opening and closing the purifying air outlet.

The first contact part is positioned at one side of the backflow prevention substrate, which is close to the purification air port.

The purification air outlet is provided with a purification air outlet outline positioned at one side of the first support plate, which is close to the anti-backflow substrate; when the anti-backflow plate closes the purification air passing opening, the first contact part is positioned at the outer side of the outline of the purification air passing opening.

Through setting up and preventing flowing backward the board including preventing flowing backward base plate and first contact portion for when falling down and irritating board and first support contact, can make first contact portion and first support contact, can reduce the area of contact of preventing flowing backward board and first support board, reduce and prevent flowing backward the board and rotate the card of in-process and stop the phenomenon, improve and prevent flowing backward board pivoted smoothness nature, guarantee to prevent flowing backward the normal work of board, guarantee to purify the normal opening and closing of air gap.

In some embodiments of the present application, the first contact portion is disposed in a circumferential ring, and when the backflow preventing plate closes the purge air port, the first contact portion is disposed around the outer side of the profile of the purge air port, so that the first contact portion can perform a sealing function when contacting the first support plate.

In some embodiments of the present application, the casing is formed with a fresh air inlet and a purified air inlet at the same time, and the first bracket is formed with a fresh air through-opening and a purified air through-opening at the same time.

The anti-backflow plate has a first position, a second position, and a third position.

When the anti-backflow plate is positioned at the first position, the anti-backflow plate closes the purification air passing opening and opens the fresh air passing opening; the rotation of the fresh air fan enables outdoor fresh air to enter the shell from the fresh air inlet, and the outdoor fresh air enters the fan cavity from the fresh air passing opening and then flows indoors from the fan cavity.

When the anti-backflow plate is positioned at the second position, the anti-backflow plate opens the purification air passing opening and closes the fresh air passing opening; the rotation of the fresh air fan enables indoor air to enter the shell from the purifying air inlet, and the indoor air enters the fan cavity through the purifying air inlet and then flows into the room from the fan cavity.

When the anti-backflow plate is positioned at the third position, the anti-backflow plate opens the purifying air passing port and the fresh air passing port; under the drive of a fresh air fan, outdoor fresh air enters the machine shell from the fresh air inlet and passes through the fresh air passing opening, indoor air enters the machine shell from the purifying air inlet and passes through the purifying air passing opening, the indoor air passing through the purifying air passing opening is intersected with the outdoor fresh air passing through the fresh air passing opening, and the intersected air enters the fan cavity and then flows into the room from the fan cavity.

The first position, the second position and the third position of the anti-backflow plate are arranged, so that the air conditioner indoor unit can realize multiple air inlet functions to adapt to different needs of users.

In some embodiments of the present application, referring to fig. 10-16, a backflow prevention plate limiting rib 365 is disposed in the purification air gap, the backflow prevention plate limiting rib is used for limiting the backflow prevention plate outside the purification air gap, the backflow prevention plate limiting rib is an arc rib, and the center of a circle where the backflow prevention plate limiting rib is located on the rotating shaft of the backflow prevention plate.

The limiting rib of the anti-backflow plate is an arc rib, the circle center of the circle where the limiting rib of the anti-backflow plate is located on the rotating shaft of the anti-backflow plate, the rotating direction of the anti-backflow plate is consistent with the extending direction of the limiting rib of the anti-backflow plate, the movement resistance of the anti-backflow plate can be reduced, and the anti-backflow plate is beneficial to rotating.

Specifically, the distance between two adjacent anti-backflow plate limiting ribs is 8mm-50mm, the too small influence on the air quantity of the distance between two adjacent anti-backflow plate limiting ribs is avoided, and the too large influence on the limiting effect of the anti-backflow plate limiting ribs of the distance between two adjacent anti-backflow plate limiting ribs is avoided.

In some embodiments of the application, referring to fig. 10-16, the anti-backflow plate further comprises a second contact 3713, the second contact 3713 being located on a side of the anti-backflow substrate remote from the first support plate.

The first bracket further comprises a backflow preventing guide rail 364, wherein the backflow preventing guide rail is positioned on one side of the first bracket close to the fresh air volute, namely, the backflow preventing guide rail 364 is arranged on the front side of the first bracket plate.

The backflow prevention base plate and the second contact part are positioned in the backflow prevention guide rail. The backflow preventing guide rail comprises a backflow preventing limiting plate 3642 positioned at the front side of the backflow preventing guide rail, and the second contact part is in a certain distance or contact with the backflow preventing guide rail; the second contact part is arranged to reduce the resistance of the backflow preventing plate and the backflow preventing guide rail, reduce the blocking phenomenon of the backflow preventing plate in the rotation process, improve the fluency of the rotation of the backflow preventing plate and ensure the normal operation of the backflow preventing plate.

Specifically, the anti-backflow guide rail further comprises an anti-backflow guide plate 3641, the anti-backflow guide plate is used for guiding the anti-backflow plate, the upper surface of the anti-backflow guide plate is an arc-shaped surface, and the anti-backflow limiting plate is used for limiting the front and rear positions of the anti-backflow plate.

Wherein, prevent flowing backward the deflector and be located the front side of first mounting panel, prevent flowing backward the rear end of deflector and be connected with the front side of first mounting panel, prevent flowing backward the limiting plate and be connected with preventing flowing backward the deflector, wherein, prevent flowing backward the bottom of limiting plate and prevent flowing backward the front end of deflector to be connected, prevent flowing backward the top that the board is located preventing flowing backward the deflector and be located between first mounting panel and the preventing flowing backward the limiting plate.

In some embodiments of the present application, referring to fig. 17 to 18, the fresh air inlet and the clean air inlet are simultaneously formed on the housing, and the fresh air through-hole and the clean air through-hole are simultaneously formed on the corresponding first support plate.

The anti-backflow plate is switched among a position for closing the purifying air gap and opening the fresh air gap, a position for opening the purifying air gap and closing the fresh air gap and a position for simultaneously opening the purifying air gap and the fresh air gap.

The first support plate comprises a first support front side 3601 positioned at the front side of the first support plate, wherein the first support front side is plane and provided with a front side contour line parallel to the horizontal plane;

One end of the front side surface of the first bracket, which is close to the purifying air inlet, is positioned in front of one end of the front side surface of the first bracket, which is close to the fresh air inlet; the front side profile line is arranged at an included angle alpha with the width direction of the main body. Wherein the included angle alpha is more than 0 degrees and less than or equal to 3 degrees.

The projection of the rotation axis of the backflow preventing plate and the contour line of the front side surface on the same horizontal plane is not vertical.

According to the application, one end of the front side surface of the first bracket, which is close to the purifying air inlet, is arranged in front of one end of the front side surface of the first bracket, which is close to the fresh air inlet, the front side surface contour line is arranged at an included angle alpha with the width direction of the main body, and the projection of the rotation shaft of the anti-backflow plate and the front side surface contour line on the same horizontal plane is not vertical, so that when the anti-backflow plate rotates from the position for closing the fresh air inlet to the position for closing the purifying air inlet, the anti-backflow plate is abutted with the first bracket plate more tightly, the sealing effect of the anti-backflow plate on the purifying air inlet can be better realized, and the air leakage between the purifying air outlet and the anti-backflow plate can be effectively reduced.

In some embodiments of the application, referring to fig. 17-18, the first bracket plate includes a first bracket rear side 3602 at a first bracket rear side, the first bracket rear side being planar and having a rear side contour parallel to a horizontal plane, the rear side contour being disposed at an angle β to a width direction of the main body; wherein the included angle beta is more than 0 degrees and less than or equal to 3 degrees. One end that the first support trailing flank is close to purifying the air intake is located the rear that the one end that the first support trailing flank is close to the new trend air intake for the thickness of the first mounting panel of purifying the air intake front side is greater than the thickness of the first mounting panel of new trend air intake front side, can increase the resistance of purifying the air gap to a certain extent, can effectually reduce and purify the air leakage between the air gap and the anti-backflow board.

In some embodiments of the application, the rotation axis of the anti-backflow plate is not perpendicular to the projection of the rear profile on the same horizontal plane.

In some embodiments of the present application, the rotation axis of the backflow preventing plate is disposed along the front-rear direction of the main body, which is convenient.

In some embodiments of the application, referring to fig. 5-9, the main body further comprises a second purifying device 35, wherein the second purifying device is inserted on the first bracket and is located behind the first bracket plate, and the second purifying device is used for purifying the air entering the fan cavity from the fresh air inlet and/or the purified air inlet.

In some embodiments of the present application, the second purifying device 35 is inserted into the second cavity, the casing further includes a third purifying insertion opening 1122, the third purifying insertion opening 1122 is opened on the casing and is located at a side of the main body, one end of the second purifying device passes through the third purifying insertion opening and is inserted into the second cavity, and the second purifying device shields the fresh air inlet and the purifying air inlet from the front sides of the fresh air inlet and the purifying air inlet.

In some embodiments of the present application, the second purifying apparatus includes a second screen 351 including a second screen frame 3511 on which a plurality of second frame air passing holes 35111 are formed and a second screen body (not shown) connected to the second screen frame and covering the second frame air passing holes, and a second purifying handle 352.

The second filter screen frame comprises a first filter screen rib 35112 and a second filter screen rib 35113, wherein the first filter screen rib is arranged in a non-horizontal mode and is positioned between the purification air inlet and the fresh air inlet; the second ribs of the filter screen are arranged non-horizontally; in the width direction of the main body, the second rib of the filter screen is positioned at one end of the second filter screen frame close to the fresh air inlet; in the fore-and-aft direction of main part, the thickness of the first muscle of filter screen is greater than the thickness of filter screen second muscle, conveniently reduces the interval of first muscle of filter screen and preceding back spare thereof, reduces and scurries wind in first muscle department of filter screen. Wherein, the thickness of the first muscle of filter screen and the thickness of the second muscle of filter screen are all greater than 1.8mm.

In some embodiments of the application, the housing includes a raised back panel 11311 on a rear side thereof, with the fresh air intake and the purge intake being located on the raised back panel.

The second filter screen is inserted and established on first support, in the fore-and-aft direction of main part, and the minimum distance between first mounting panel and the flange back plate is greater than the thickness of second filter screen frame, makes things convenient for the pull of second filter screen. Wherein, the distance between the first support plate and the convex plate back plate is 3.5mm-10mm.

In some embodiments of the present application, the distance between the first rib of the filter screen and the rear plate of the convex plate is smaller than the distance between the second rib of the filter screen and the rear plate of the convex plate in the front-rear direction of the main body, so that wind channeling between the second rib of the filter screen and the rear plate of the convex plate is reduced.

Because there is the contained angle in first support trailing flank 3602 and main part width direction, want to reduce the clearance between first muscle of filter screen and the first support, need set up the leading flank slope of the first muscle of filter screen, set up the thickness of the first muscle of filter screen and be greater than the thickness of filter screen second muscle, then can reduce the clearance that leads to because the slope of first support trailing flank sets up. On the basis that the thickness of the first rib of the filter screen is greater than that of the second rib of the filter screen, the distance between the first rib of the filter screen and the rear plate of the convex plate is smaller than that between the second rib of the filter screen and the rear plate of the convex plate, and wind channeling can be reduced on one side, close to the rear plate of the convex plate, of the first rib of the filter screen.

In some embodiments of the application, the first ribs of the screen are 5mm-15mm in size in the width direction of the main body, reducing blow-by at the second ribs of the screen.

In some embodiments of the present application, from one end of the second filter screen frame close to the fresh air inlet to one end of the second filter screen frame far away from the fresh air inlet, the thickness of the ribs of the second filter screen frame which are not horizontally arranged gradually increases in the front-back direction of the main body, so that the gap between the fresh air inlet and the first filter screen is conveniently reduced, and the wind channeling in the inner periphery of the fresh air inlet is reduced.

In some embodiments of the application, referring to fig. 5-9, the second cavity includes a male cavity 1321 located on a rear side thereof.

Specifically, the rear side of the casing protrudes backward to form a rear casing convex plate 1131 and a convex cavity 1321, wherein the convex cavity is located at the front side of the rear casing convex plate, and the fresh air inlet and the purifying air inlet are formed in the rear casing convex plate.

The third purification inserted port is arranged on the rear shell convex plate, and is positioned at the side part of the rear shell convex plate and is arranged along the height direction of the main body.

One end of the second purifying device penetrates through the third purifying inserting opening to be inserted in the convex cavity, and the second purifying device shields the fresh air inlet and the purifying air inlet from the front sides of the fresh air inlet and the purifying air inlet.

The convex cavity is arranged at the rear side of the shell, so that the space of the second cavity can be increased, and only the lower part of the shell is increased, the front and rear size of the whole body cannot be increased, and the thickness of the whole body is prevented from being increased; the third purification device is inserted into the convex cavity, so that the convex cavity can provide installation space for the third purification device, the third purification device is convenient to install, the third purification device is close to the rear side of the main body, and more reserved spaces can be formed on the front side of the third purification device.

The rear case convex plate 1131 includes a convex plate rear plate 11311 provided at the rear side of the rear case convex plate. The rear housing boss further includes a boss side plate 11312, wherein the boss side plate 11312 has two, two boss side plates are connected at the boss rear plate first end and the boss rear plate second end, respectively, and the two boss side plates are located at the front side of the boss rear plate, wherein the third purge insertion port is formed on the boss side plate.

The convex plate rear plate 11311 is a flat plate or an arc plate.

In some embodiments of the application, referring to fig. 19-20, the main body further includes a fresh air hood 33 disposed in the second chamber, the fresh air hood being disposed between the fresh air volute and the first bracket, and the fresh air hood being disposed on a front side of the clean air intake and the fresh air intake, the fresh air hood being disposed behind the fresh air volute.

The rotation of the fresh air fan enables outdoor fresh air to enter the shell from the fresh air inlet and/or indoor air to enter the shell from the purifying air inlet.

The main body further comprises a first purifying device 34, wherein the first purifying device is inserted in the first cavity, and the first purifying device is located at the rear side of the fresh air volute and is used for purifying fresh air and/or indoor air entering the fan cavity.

When the main body comprises a fresh air hood 33, a first purifying device 34 is inserted in the fresh air hood, and the first purifying device 34 is used for purifying fresh air and/or indoor air entering the fan cavity through the fresh air hood.

The main body further includes a first purge insertion port 1121 formed on the housing and located at a side of the main body.

The first purification device is inserted into the fresh air hood through the first purification inserting opening or pulled out from the fresh air hood.

The convex cavity is positioned behind the first purifying device.

When the main body includes a fresh air hood 33, the protruding cavity is located behind the fresh air hood. The second purifying device is positioned behind the first purifying device.

In some embodiments of the present application, a volute air inlet 3121 is provided at the rear side of the fresh air volute, and the volute air inlet is in communication with the fan cavity.

The fresh air volute comprises a front volute 311 and a rear volute 312, the rear volute and the front volute are detachably connected, and the rear volute is positioned behind the front volute, wherein the front volute and the rear volute define a fan cavity between the front volute and the rear volute. The fresh air volute is arranged into the front volute and the rear volute, so that the forming and the installation of the fresh air fan are convenient.

The front volute includes a volute front plate 3111 and a front volute side plate 3112, wherein the front volute side plate is connected with the volute front plate and the front volute side plate is connected behind the volute front plate.

The rear volute includes a volute rear plate 3122 and a rear volute side plate 3123, wherein the rear volute side plate is connected to the volute rear plate, and the rear volute side plate is connected to the rear side of the volute rear plate.

The rear volute side plate is connected with the front volute side plate, and the rear volute side plate is connected to the rear side of the front volute side plate.

Wherein, the back plate of the spiral case is provided with a spiral case air inlet 3121, and the back side of the spiral case back plate is provided with a spiral case windward side.

In some embodiments of the application, the body comprises a deflector 41, wherein the deflector 41 is located above the fan cavity.

Wherein, the flow guiding member 41 comprises a flow guiding air channel 411 arranged therein.

The air guide piece further comprises an air guide piece air inlet 412 and an air guide piece air outlet 413, wherein the air guide piece air inlet is formed in the bottom end of the air guide piece, the air guide piece air outlet is formed in the front side of the air guide piece, the air guide piece air inlet is formed towards the bottom of the main body, and the air guide piece air outlet is formed towards the front side of the main body.

The air inlet of the flow guiding piece is communicated with the flow guiding air channel, and the air outlet of the flow guiding piece is communicated with the flow guiding air channel.

In some embodiments of the application, the bottom of the diversion piece is connected with the fresh air volute, so that the stability of the diversion piece is improved.

The guide piece comprises a guide pipe, a guide air channel is formed in the guide pipe, and a guide piece air inlet and a guide piece air outlet are formed in the guide pipe.

The guide piece further comprises a guide piece first connecting plate, the guide piece first connecting plate is arranged on the front side of the guide pipe, and the guide piece first connecting plate is positioned at the bottom end of the guide pipe. The first connecting plate of the flow guiding piece is connected with the fresh air volute.

The new trend spiral case includes spiral case front bezel 3111, and wherein, the spiral case front bezel is located the front side of new trend spiral case, and the front side of spiral case front bezel is located to water conservancy diversion spare first connecting plate, and wherein, water conservancy diversion spare first connecting plate is connected with spiral case front bezel, sets up spiral case front bezel and is connected with water conservancy diversion spare first connecting plate, makes things convenient for water conservancy diversion spare first connecting plate and new trend spiral case to be connected.

In some embodiments of the application, the vertical fresh air conditioner indoor unit further comprises a water receiving disc 23, wherein the water receiving disc is arranged below the indoor heat exchanger and the heat exchange fan and used for receiving water flowing down on the indoor heat exchanger and the heat exchange fan, and the water receiving disc is arranged between the flow guiding piece and the indoor fan; wherein, the water collector is located the top of water conservancy diversion spare, and the water conservancy diversion spare is connected with the water collector, and wherein, the top and the water collector of water conservancy diversion spare are connected, improve the stability at water conservancy diversion spare top and can support the water collector.

The water conservancy diversion piece still includes water conservancy diversion piece second connecting plate, and water conservancy diversion piece second connecting plate is connected on the honeycomb duct to, water conservancy diversion piece second connecting plate is located the top of honeycomb duct, and water conservancy diversion piece second connecting plate is connected with the front end of water collector, sets up water conservancy diversion piece second connecting plate, makes things convenient for water conservancy diversion piece and water collector to be connected.

In some embodiments of the application, the main body further comprises an electrical box, wherein the electrical box is disposed below the air outlet of the air guide member. The electrical box is positioned in front of the fresh air volute.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying 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, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A vertical air conditioner indoor unit, comprising:

The main body includes:

The indoor heat exchanger is arranged in the first cavity;

the fresh air volute is arranged in the second cavity;

the fresh air fan is arranged in the fresh air volute;

2. The indoor unit of claim 1, wherein the first support plate includes a first support rear side surface located at a rear side of the first support, the first support rear side surface being planar and having a rear side surface contour line parallel to a horizontal plane, the rear side surface contour line being disposed at an angle β with a width direction of the main body; one end of the rear side surface of the first bracket, which is close to the purifying air inlet, is positioned behind one end of the rear side surface of the first bracket, which is close to the fresh air inlet.

3. The indoor unit of floor air conditioner according to claim 2, wherein the main body further comprises:

the second purification device is inserted on the first bracket and positioned behind the first bracket plate and is used for purifying air entering the fan cavity from the fresh air inlet and/or the purification air inlet.

4. The indoor unit of claim 3, wherein the second purifying means includes a second screen including a second screen frame, the second screen frame including:

in the front-rear direction of the main body, the thickness of the first rib of the filter screen is greater than that of the second rib of the filter screen.

5. The indoor unit of claim 4, wherein the casing includes a convex plate back plate disposed at a rear side thereof, and the fresh air inlet and the purifying air inlet are disposed on the convex plate back plate;

And in the front-back direction of the main body, the minimum distance between the first support plate and the convex plate back plate is larger than the thickness of the second filter screen frame.

6. The indoor unit of claim 5, wherein a distance between the first bead of the screen and the rear plate of the convex plate is smaller than a distance between the second bead of the screen and the rear plate of the convex plate in a front-rear direction of the main body.

7. The indoor unit of claim 4, wherein the first ribs of the screen have a size of 5mm to 15mm in a width direction of the main body.

8. The indoor unit of claim 4, wherein the thickness of the ribs of the second screen frame, which are not horizontally arranged, in the front-rear direction of the main body gradually increases from one end of the second screen frame, which is close to the fresh air inlet, to one end of the second screen frame, which is far away from the fresh air inlet.

9. The indoor unit of floor air conditioner according to claim 1 or 2, wherein the rotation shaft of the backflow preventing plate is provided in the front-rear direction of the main body.

10. A vertical air conditioner indoor unit, comprising:

The main body includes:

The indoor heat exchanger is arranged in the first cavity;

the fresh air volute is arranged in the second cavity;

the fresh air fan is arranged in the fresh air volute;

The second screen frame includes:

The thickness of the first rib of the filter screen is larger than that of the second rib of the filter screen in the front-back direction of the main body; the distance between the first rib of the filter screen and the convex plate rear plate is smaller than the distance between the second rib of the filter screen and the convex plate rear plate.