CN218065117U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model relates to an indoor unit of air conditioner belongs to air conditioning equipment technical field, and indoor unit of air conditioner includes: the air conditioner comprises a shell, a first fan, a second fan and a flow guide piece, wherein an indoor air inlet, a first air outlet and a second air outlet are formed in the shell; the first fan is arranged in the shell and provided with a first air outlet which is communicated with the first exhaust port; the second fan is arranged in the shell and is provided with a second air outlet; one end of the flow guide piece is close to the second air outlet, and the other end of the flow guide piece is close to the second air outlet; the air passes through the second air outlet under the action of the second fan, then is distributed by the flow guide piece and is output from the second air outlets. The air of the second air outlet is divided by the flow guide piece and is output from each second air outlet, and the air output is improved.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of air conditioning equipment, especially, relate to an indoor unit of air conditioner.

Background

An air conditioner, i.e., an air conditioner, is a device that manually adjusts and controls parameters such as temperature, humidity, and flow rate of ambient air in a building or structure. An air conditioner generally includes an indoor unit and an outdoor unit.

When the air conditioner has a plurality of air outlets, the whole machine is required to be provided with a plurality of fans, the air volume of the three fan schemes is large, but the cost is high, and the whole structure is complex. The two fan schemes have low cost, but the air volume is small, and the problem of large noise caused by the increase of the rotating speed is solved. Therefore, it is urgently needed to provide an air conditioner with large air volume and low cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

Therefore, the application aims to provide an air conditioner indoor unit, the air of the second air outlet is divided and output from each second air outlet through the flow guide piece, and the air output is improved.

In order to achieve the above object, the utility model provides an indoor unit of air conditioner, include:

the air conditioner comprises a shell, a first air inlet, a second air outlet and a fan, wherein the shell is provided with an indoor air inlet, a first air outlet and a second air outlet;

the first fan is arranged in the shell and provided with a first air outlet which is communicated with the first exhaust port;

the second fan is arranged in the shell and is provided with a second air outlet;

one end of the flow guide piece is close to the second air outlet, and the other end of the flow guide piece is positioned at one end, far away from the second fan, of the second air outlet;

and air passes through the second air outlet under the action of the second fan, then is shunted by the flow guide piece and is output from the second air outlets.

In some embodiments of the present application, the first fan and the second fan are both duplex centrifugal fans, and the axial directions of the first fan and the second fan are arranged along the width direction of the housing.

In some embodiments of the present application, the second air outlet is opened at two sides of the housing, and the second air outlet is located between the first fan and the second fan; the flow guide member is disposed between the first fan and the second fan.

In some embodiments of the present application, the second air outlets are respectively disposed at two sides of the housing in the width direction; the water conservancy diversion spare includes two guide plates, two the guide plate is close to the one end interconnect of second fan, two the guide plate is from keeping away from the direction of second fan is kept away from each other, two the guide plate is close to the one end of first fan is connected to corresponding the second air exit is close to one side of first fan.

In some embodiments of the present application, each of the guide plates is an arc-shaped plate, and a circle center of the guide plate faces the corresponding second air outlet.

In some embodiments of the present application, the baffle member is removably coupled within the housing.

In some embodiments of the present application, an air exhaust member is disposed on the housing, and the first air exhaust opening is opened on the air exhaust member.

In some embodiments of this application, the piece of airing exhaust can dismantle connect in the top of casing, first exhaust opening link up along vertical direction the piece of airing exhaust, the bottom in first exhaust opening with first air outlet intercommunication.

In some embodiments of the present application, the first fan comprises:

a first housing disposed within the housing;

the first driving piece is connected with the first shell;

the first duplex centrifugal fan blade is arranged in the first casing, and the first driving piece drives the first duplex centrifugal fan blade to rotate.

In some embodiments of the present application, the second fan comprises:

a second housing disposed within the housing;

the second driving piece is connected with the second machine shell;

the second duplex centrifugal fan blades are arranged in the second casing, and the second driving piece drives the second duplex centrifugal fan blades to rotate.

Additional aspects and advantages of the invention 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 invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of an air conditioning indoor unit according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 3 is a partially exploded schematic view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 4 is a schematic longitudinal sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 5 is a schematic view of another perspective of a longitudinal section of an air conditioning indoor unit according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a first fan according to an embodiment of the present application;

FIG. 7 is an exploded view of a second fan according to an embodiment of the present application;

fig. 8 is a plan view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 9 is a side view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 10 is a front view of an air conditioning indoor unit according to an embodiment of the present application.

In the above figures: 100. a first fan; 101. mounting a box; 102. a first housing; 103. a first duplex centrifugal fan blade; 200. a second fan; 201. a second housing; 202. a second duplex centrifugal fan blade; 2021. A second turntable; 2022. a third blade; 2023. a fourth blade; 300. a flow guide member; 301. a baffle; 400. a first exhaust port; 500. a second air outlet; 600. an indoor heat exchanger.

Detailed Description

In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean 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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The present invention will now be described in detail by way of exemplary embodiments. It should be understood, however, that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the present application, an air conditioner performs a refrigeration cycle of an indoor unit of the air conditioner by using a compressor, a condenser, an expansion valve, and an indoor heat exchanger. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged. The compressor compresses a refrigerant gas in a low-temperature and low-pressure state and discharges the 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 valve 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 indoor heat exchanger evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The indoor heat exchanger may achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioning indoor unit can adjust the temperature of the indoor space throughout the cycle. The outdoor unit of the air conditioning indoor unit refers to a portion of the refrigeration cycle including the compressor and the outdoor heat exchanger, the indoor unit of the air conditioning indoor unit includes the indoor heat exchanger, and the expansion valve may be provided in the indoor unit or the outdoor unit. The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an indoor heat exchanger. When the indoor heat exchanger is used as the condenser, the indoor air conditioning unit is used as a heater in a heating mode, and when the indoor heat exchanger is used as the indoor heat exchanger, the indoor air conditioning unit is used as a cooler in a cooling mode.

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, in an exemplary embodiment of the indoor unit of an air conditioner of the present invention, the indoor unit of an air conditioner includes: the air conditioner comprises a shell, a first fan 100, a second fan 200 and a flow guide piece 300, wherein an indoor air inlet, a first air outlet 400 and a second air outlet 500 are formed in the shell; the first fan 100 is disposed in the housing, the first fan 100 has a first air outlet, and the first air outlet is communicated with the first exhaust port 400; the second fan 200 is disposed in the housing, and the second fan 200 has a second air outlet; one end of the flow guide member 300 is close to the second air outlet, and the other end is close to the second air outlet 500; the air passes through the second outlet under the action of the second fan 200, and then is divided by the flow guiding element 300 to be output from the second outlet 500. The air at the second air outlet is divided by the diversion member 300 and is output from each second air outlet 500, so that the air output is increased.

In some embodiments, the housing is vertically disposed, the housing has a back side and a front side, and the back side of the housing is an indoor air inlet. Air enters the housing through the indoor air inlet and is output by the first fan 100 and the second fan 200.

Referring to fig. 1 to 5, in some embodiments, an indoor heat exchanger 600 is disposed inside the housing, and the indoor heat exchanger 600 is detachably connected to the housing. The indoor heat exchanger 600 is close to an indoor air inlet of the housing, and air is cooled or heated by the indoor heat exchanger 600 after passing through the indoor air inlet and then is output from the first air outlet 400 and the second air outlet 500.

In some embodiments, an air exhaust member is detachably connected to an end of the housing close to the first fan 100, the first air outlet 400 penetrates through the air exhaust member in a vertical direction, and a bottom end of the first air outlet 400 is communicated with the first air outlet.

In some embodiments, the casing further includes a base, and slots are respectively formed in the upper surface of the base and the lower surface of the air exhaust member, and the top end and the bottom end of the indoor heat exchanger 600 are respectively inserted into the two slots to complete the setting of the indoor heat exchanger 600.

In some embodiments, the indoor heat exchanger 600 is connected to the housing by means including, but not limited to, screws, snaps, buckles, and snaps. Can take out indoor heat exchanger 600 from the casing is inside during the maintenance, make things convenient for manual maintenance.

Referring to fig. 1 to 5, in some embodiments, the first fan 100 and the second fan 200 are both dual centrifugal fans, and the axial directions of the first fan 100 and the second fan 200 are arranged along the width direction of the casing. The double centrifugal fan can realize air inlet at two ends through one motor, so that the cost is saved and the ventilation efficiency is improved.

In some embodiments, the axes of the first fan 100 and the second fan 200 are parallel to each other. The first fan 100 is disposed above the second fan 200.

Referring to fig. 2 and 6, in some embodiments, the first fan 100 includes: the fan comprises a first machine shell 102, a first driving part and a first duplex centrifugal fan blade 103, wherein the first machine shell 102 is arranged in the shell; the first driving member is connected with the first housing 102; the first dual centrifugal fan 103 is disposed in the first housing 102, and the first driving member drives the first dual centrifugal fan 103 to rotate.

In some embodiments, the first fan 100 further includes a mounting box 101, the mounting box 101 is a rectangular box, the mounting box 101 is detachably connected in the housing, and the connection between the mounting box 101 and the housing includes, but is not limited to, screws, snaps, buckles, and buckles. One side of the mounting box 101 facing the indoor heat exchanger 600 is provided with an opening, and the first housing 102 is arranged in the mounting box 101. When the first fan 100 is started, the air is gathered through the mounting box 101 and is discharged through the first fan 100, so that the air is prevented from leaking from a gap, and the air volume is increased.

In some embodiments, the first fan 100 has a first outlet opening, the first outlet opening is disposed vertically upward, the first outlet opening of the first housing 102 penetrates through the mounting box 101, and the first outlet opening 400 is disposed at the top end of the housing. The first dual centrifugal fan blade 103 is a shaft, and includes a first rotating disk, a plurality of first blades, and a plurality of second blades. The first rotating disc is a disc, the first blades are arranged on one side of the first rotating disc, and the second blades are arranged on one side, far away from the first blades, of the first rotating disc. The quantity of first blade and second blade is the same, and a plurality of first blades and a plurality of second blade all set up along the border interval of first carousel, and the interval between two arbitrary adjacent first blades is the same, and the interval between two arbitrary adjacent second blades is the same. The first blades are arranged on the edge of one side, corresponding to the first rotating disc, and the second blades are arranged on the edge of one side, corresponding to the first rotating disc. One side of the first rotating disc, which is provided with a plurality of first blades, is provided with a first air inlet; one side of the first rotating disc, which is provided with a plurality of second blades, is provided with a second air inlet. Each of the first blades and the second blades are disposed at a certain angle, and when the first fan 100 rotates, the first blades and the second blades discharge wind along a radial direction of the first turntable.

In some embodiments, the first driving member is a motor or a motor, the body of the first driving member is fixed to the first housing 102, and the turntable is coaxially fixed to the output shaft of the first driving member. When the first driving part is started, the first driving part drives the first duplex centrifugal fan blades 103 to rotate, and air exhaust is realized.

Referring to fig. 2 and fig. 6, in some embodiments, the body of the first driving member is fixed to the first rotating disc, the first rotating disc is coaxially disposed with the output shaft of the first driving member, and the output shaft of the first driving member is fixed to the first housing 102.

Referring to all the drawings, in some embodiments, the first dual centrifugal fan blade 103 is disposed horizontally. The first casing 102 covers the peripheral wall of the first duplex centrifugal fan blade 103, and the first casing 102 does not block the first air inlet and the second air inlet. The air duct is opened to the internal perisporium of first casing 102, and first air outlet is seted up at the top of first casing 102, first air outlet and air duct intercommunication, and air gets into the air duct through first income wind gap and second income wind gap respectively when first pair centrifugal fan blade 103 rotates, finally exports through first air outlet and first exhaust opening 400.

Referring to fig. 2, 4 and 7, in some embodiments, the second fan 200 includes: a second housing 201, a second driving member and a second duplex centrifugal fan blade 202, wherein the second housing 201 is disposed in the housing; the second driving member is connected with the second casing 201; the second dual centrifugal fan blades 202 are disposed in the second housing 201, and the second driving member drives the second dual centrifugal fan blades 202 to rotate.

In some embodiments, the second fan 200 has a second outlet, the second outlet is disposed vertically upward, and the second outlet 500 is disposed at the top end of the housing. The second duplex centrifugal fan blades 202 are shaft-like members, and include a second rotating disk 2021, a plurality of third blades 2022, and a plurality of fourth blades 2023. The second rotating disc 2021 is a circular disc, a plurality of third blades 2022 are disposed on one side of the second rotating disc 2021, and a plurality of fourth blades 2023 are disposed on one side of the second rotating disc 2021 far from the third blades 2022. The third blades 2022 and the fourth blades 2023 are the same in number, the plurality of third blades 2022 and the plurality of fourth blades 2023 are all arranged at intervals along the edge of the second turntable 2021, the distance between any two adjacent third blades 2022 is the same, and the distance between any two adjacent fourth blades 2023 is the same. The third blade 2022 is disposed at the edge of the corresponding side of the second turntable 2021, and the fourth blade 2023 is disposed at the edge of the corresponding side of the second turntable 2021. A second air inlet is formed at one side of the second turntable 2021, which is provided with a plurality of third blades 2022; the side of the second rotating disk 2021 provided with the plurality of fourth blades 2023 is a second air inlet. The third blades 2022 and the fourth blades 2023 are disposed at an angle, and when the second fan 200 rotates, the third blades 2022 and the fourth blades 2023 discharge wind in a radial direction of the second turntable 2021.

In some embodiments, the second driving element is a motor, the body of the second driving element is fixed to the second housing 201, and the rotating disc is coaxially fixed to the output shaft of the second driving element. When the second driving member is started, the second driving member drives the second duplex centrifugal fan blades 202 to rotate, so that air exhaust is realized.

Referring to fig. 2, fig. 4 and fig. 7, in some embodiments, the body of the second driving element is fixed to the second rotating disc 2021, the second rotating disc 2021 is coaxially disposed with the output shaft of the second driving element, and the output shaft of the second driving element is fixed to the second housing 201.

Referring to all of the drawings, in some embodiments, the second duplex centrifugal fan blades 202 are horizontally disposed. The second casing 201 covers the peripheral wall of the second duplex centrifugal fan blade 202, and the second casing 201 does not block the second air inlet and the second air inlet. An air groove is formed in the inner peripheral wall of the second casing 201, the second air outlet is formed in the top of the second casing 201 and communicated with the air groove, and when the second duplex centrifugal fan blades 202 rotate, air enters the air groove through the second air inlet and the second air inlet respectively and is finally output through the second air outlet and the second air outlet 500.

In some embodiments, the second casing 201 is formed by splicing a first split casing and a second split casing, the first split casing and the second split casing are symmetrically arranged, and the first split casing, the second duplex centrifugal fan blades 202, the second driving member and the second split casing are spliced to form the second fan 200, which is convenient to install.

In some embodiments, the second air outlet 500 is opened at both sides of the housing, and the second air outlet 500 is located between the first fan 100 and the second fan 200; the guide 300 is disposed between the first fan 100 and the second fan 200.

In some embodiments, there are two second air outlets 500, and the two second air outlets 500 are respectively opened at two sides of the housing in the width direction. The two second air outlets 500 are rectangular openings and the two second air outlets 500 have the same size. The amount of air output from the second air outlet 500 is the same.

Referring to fig. 2, fig. 3 and fig. 4, in some embodiments, the air guiding element 300 includes two air guiding plates 301, ends of the two air guiding plates 301 close to the second fan 200 are connected to each other, the two air guiding plates 301 are away from each other from a direction away from the second fan 200, and ends of the two air guiding plates 301 close to the first fan 100 are connected to a side of the corresponding second air outlet 500 close to the first fan 100.

Referring to all the drawings, in some embodiments, one side of the two baffles 301 connected to each other is located on the central line of the second air outlet. The two baffles 301 are at the same angle to the height direction of the housing.

In some embodiments, the air exhaust channels are formed among the air guide plate 301, the inner wall of the housing, the second air outlet and the corresponding second air outlet 500, and the air is output from the corresponding second air outlet 500 through the corresponding air exhaust channel.

In some embodiments, each of the air deflectors 301 is an arc-shaped plate, and the center of the air deflector 301 faces the corresponding second air outlet 500.

In some embodiments, the two arcuate plates are the same size.

In some embodiments, the baffle 300 is an integrally formed component, and the baffle 300 is removably attached to the housing. The baffle 300 is formed by bending a plate.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. An air conditioning indoor unit, characterized in that it includes:

the air conditioner comprises a shell, a first air inlet, a second air outlet and a fan, wherein the shell is provided with an indoor air inlet, a first air outlet and a second air outlet;

the first fan is arranged in the shell and provided with a first air outlet which is communicated with the first exhaust port;

the second fan is arranged in the shell and is provided with a second air outlet;

one end of the flow guide piece is close to the second air outlet, and the other end of the flow guide piece is positioned at one end, far away from the second fan, of the second air outlet;

and air passes through the second air outlet under the action of the second fan, then is shunted by the flow guide piece and is output from the second air outlets.

2. An indoor unit of an air conditioner according to claim 1, wherein the first fan and the second fan are both duplex centrifugal fans, and axial directions of the first fan and the second fan are arranged in a width direction of the casing.

3. An indoor unit of an air conditioner according to claim 2, wherein the second air outlet is opened at both sides of the casing, and the second air outlet is located between the first fan and the second fan; the flow guide member is disposed between the first fan and the second fan.

4. An indoor unit of an air conditioner according to claim 2, wherein the second air outlet is provided on each of both sides in a width direction of the casing; the water conservancy diversion spare includes two guide plates, two the guide plate is close to the one end interconnect of second fan, two the guide plate is from keeping away from the direction of second fan is kept away from each other, two the guide plate is close to the one end of first fan is connected to corresponding the second air exit is close to one side of first fan.

5. An indoor unit of an air conditioner according to claim 4, wherein each of the air deflectors is an arc-shaped plate, and the center of the air deflector faces the corresponding second air outlet.

6. An indoor unit of an air conditioner according to claim 4, wherein the air guide is detachably attached to the inside of the casing.

7. An indoor unit of an air conditioner according to any one of claims 1 to 6, wherein a discharge member is provided in the casing, and the first discharge port is opened in the discharge member.

8. An indoor unit of an air conditioner according to claim 7, wherein the air discharge member is detachably attached to a top end of the casing, the first air discharge opening penetrates the air discharge member in a vertical direction, and a bottom end of the first air discharge opening is communicated with the first air outlet.

9. An indoor unit of an air conditioner according to any one of claims 1 to 6, wherein the first fan includes:

a first housing disposed within the housing;

the first driving piece is connected with the first shell;

the first duplex centrifugal fan blade is arranged in the first casing, and the first driving piece drives the first duplex centrifugal fan blade to rotate.

10. An indoor unit of an air conditioner according to any one of claims 1 to 6, wherein the second fan includes:

a second housing disposed within the housing;

the second driving piece is connected with the second machine shell;

the second duplex centrifugal fan blades are arranged in the second casing, and the second driving piece drives the second duplex centrifugal fan blades to rotate.

Images