CN220506968U

CN220506968U - Indoor unit of air conditioner

Info

Publication number: CN220506968U
Application number: CN202322367722.8U
Authority: CN
Inventors: 刘宏宝; 殷乐; 黄满良; 王晓刚
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-02-20
Anticipated expiration: 2033-08-31

Abstract

The utility model provides an indoor unit of an air conditioner, which comprises a first air duct, a second air duct and a third air duct. The novel air conditioner is characterized in that a first through-flow fan is vertically arranged in the first air duct, a first air outlet is formed in the front end of the first air duct, and the first air outlet extends along the vertical direction. The second air duct is internally and vertically provided with a second cross-flow fan, the front end of the second air duct is provided with a second air outlet, and the second air outlet extends along the vertical direction. The third air duct is positioned between the first air duct and the second air duct, a plurality of axial flow fans are arranged in the third air duct, the axial flow fans are uniformly arranged in the vertical direction, and a third air outlet is formed in the front end of the third air duct. The indoor unit of the air conditioner can solve the problems of single air supply mode and single air outlet structure, meet the air supply requirements of users in different scenes, and achieve the effect of air supply diversification.

Description

Indoor unit of air conditioner

Technical Field

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

Background

When the user uses the air conditioner, different life scenes are different to the air supply demand of air conditioner, however, traditional air conditioner only has an supply-air outlet, and single supply-air outlet leads to adjustable air supply mode limited, can't satisfy the user's demand of blowing under different scenes. Moreover, the air outlet structure of the traditional air conditioner is single, so that the traditional air conditioner has small air outlet angle and insufficient air outlet quantity, and cannot meet the diversified blowing requirements of users.

Disclosure of Invention

In view of the above problems, the present utility model is provided to provide an indoor unit of an air conditioner, which overcomes the above problems or at least partially solves the above problems, and can solve the problems of single air supply mode and single air outlet structure, so as to meet the air supply requirements of users in different scenes, and achieve the effect of air supply diversification.

Specifically, the present utility model provides an indoor unit of an air conditioner, comprising:

the air conditioner comprises a first air channel, wherein a first through-flow fan is vertically arranged in the first air channel, a first air outlet is formed in the front end of the first air channel, and the first air outlet extends along the vertical direction;

the second air duct is internally and vertically provided with a second cross-flow fan, the front end of the second air duct is provided with a second air outlet, and the second air outlet extends along the vertical direction;

the third air channel is positioned between the first air channel and the second air channel, a plurality of axial flow fans are arranged in the third air channel, and the axial flow fans are uniformly arranged along the vertical direction; and a third air outlet is formed in the front end of the third air duct.

Optionally, the first air duct, the second air duct and the third air duct all blow out the heat exchange air.

Optionally, the plurality of third air outlets are arranged corresponding to each axial flow fan, and each third air outlet is circular; or,

the outside of every axial fan is provided with the air duct, the export of air duct is circular, just the export of air duct is the third air outlet.

Optionally, the first air outlet and the second air outlet are symmetrically arranged, and an air guide body and an air guide plate for transversely guiding air are rotatably arranged at the first air outlet and the second air outlet;

the air guide body and the air guide plate are sequentially arranged along the width direction of the first air outlet and the second air outlet;

the profile of the cross section of the wind guide body is two arcs, two ends of the two arcs are connected and are bent towards the same direction, and a curved surface corresponding to the inner side arc of the cross section of the wind guide body is a first wind guide surface; the curved surface corresponding to the outer arc line of the cross section of the wind guide body is a second wind guide surface;

the two opposite side surfaces of the air deflector are a third air guiding surface and a fourth air guiding surface respectively, and the third air guiding surface and the fourth air guiding surface are planes.

Optionally, the wind guiding body is rotatably arranged around the axis of the second wind guiding surface;

the second wind guide surface has a forward-facing position in which the rotational axis of the wind guide body is inside the wind guide body;

the fourth wind guiding surface is located at a forward position, the rotating axis of the wind guiding plate is located at the inner side of the wind guiding plate, and the distance between one end, far away from the wind guiding body, of the fourth wind guiding surface and the third wind guiding surface is larger than the distance between the other end of the fourth wind guiding surface and the third wind guiding surface.

Optionally, an included angle between the third air guiding surface and the fourth air guiding surface is 4 ° to 8 °.

Optionally, two wind deflectors are located between the two wind deflectors;

the air guide body and the air guide plate can seal the first air outlet and the second air outlet.

Optionally, the indoor unit of the air conditioner further comprises a first curved plate and a second curved plate;

the first curved plate and the wind guide body synchronously rotate around the rotating axis of the wind guide body, the first wind guide surface is positioned between the first curved plate and the second wind guide surface, and the bending direction of the first curved plate is consistent with that of the wind guide body; the rotating axis of the wind guide body is positioned on the first curved plate;

the second curved plate and the air deflector rotate synchronously around the rotating axis of the air deflector, the third air deflector is positioned between the second curved plate and the fourth air deflector, and the rotating axis of the air deflector is positioned on the second curved plate.

Optionally, the first air duct and the second air duct each have a first wall surface and a second wall surface which are oppositely arranged, the first wall surfaces are vertically arranged, the two second wall surfaces are positioned between the two first wall surfaces, and the front end of the first wall surface is at the side rear of the front end of the second wall surface;

the included angle between the second wall surface and a vertical plane extending along the left-right direction is between 60 degrees and 90 degrees.

Alternatively, a distance between a tangential plane at a front end of the second wall surface of the first air duct and a tangential plane at a front end of the second wall surface of the second air duct becomes gradually larger in a direction from rear to front.

In the air conditioner indoor unit, the air conditioner indoor unit is used for outputting air through the first air outlet, the second air outlet and the third air outlet. Due to the arrangement of the plurality of air outlets, the opening quantity of the air outlets can be changed, different air supply modes are realized, and the requirements of users in different scenes are met. In addition, the air supply quantity is increased by the plurality of air outlets, the air outlet angle is increased, and the working efficiency of the indoor unit of the air conditioner is improved.

The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

fig. 1 is a schematic block diagram of an indoor unit of an air conditioner according to an embodiment of the present utility model;

fig. 2 is a schematic front view structural diagram of an indoor unit of an air conditioner according to an embodiment of the present utility model.

Detailed Description

An indoor unit of an air conditioner according to an embodiment of the present utility model will be described with reference to fig. 1 and 2. In the description of the present embodiment, it should be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature, i.e. one or more such features. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. When a feature "comprises or includes" a feature or some of its coverage, this indicates that other features are not excluded and may further include other features, unless expressly stated otherwise.

Unless specifically stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," "coupled," and the like should be construed broadly, as they may be connected, either permanently or removably, or integrally; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. Those of ordinary skill in the art will understand the specific meaning of the terms described above in the present utility model as the case may be.

Furthermore, in the description of the present embodiments, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature therebetween. That is, in the description of the present embodiment, the first feature being "above", "over" and "upper" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature "under", "beneath", or "under" a second feature may be a first feature directly under or diagonally under the second feature, or simply indicate that the first feature is less level than the second feature.

In the description of the present embodiment, a description referring to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present utility model, as shown in fig. 1, and referring to fig. 2, an embodiment of the present utility model provides an indoor unit of an air conditioner including a first air duct 10, a second air duct 11, and a third air duct 12. A first through-flow fan 13 is vertically arranged in the first air duct 10, a first air outlet is arranged at the front end of the first air duct 10, and the first air outlet extends along the vertical direction. A second cross-flow fan 14 is vertically arranged in the second air duct 11, a second air outlet is arranged at the front end of the second air duct 11, and the second air outlet extends along the vertical direction. The third air duct 12 is located between the first air duct 10 and the second air duct 11, a plurality of axial flow fans 15 are arranged in the third air duct 12, the plurality of axial flow fans 15 are evenly arranged along the vertical direction, and a third air outlet is formed in the front end of the third air duct 12.

In the air conditioner indoor unit, the air conditioner indoor unit is used for outputting air through the first air outlet, the second air outlet and the third air outlet. Due to the arrangement of the plurality of air outlets, the opening quantity of the air outlets can be changed, different air supply modes are realized, and the requirements of users in different scenes are met. In addition, the plurality of air outlets also increase the air supply quantity, increase the air outlet angle and improve the working efficiency of the indoor unit 100 of the air conditioner.

In some embodiments of the present utility model, the first duct 10, the second duct 11, and the third duct 12 each blow off the heat exchanging air.

In this embodiment, the first air duct 10, the second air duct 11 and the third air duct 12 all blow out heat exchange air, so that the heat exchange efficiency of the indoor unit 100 of the air conditioner is higher, rapid indoor cooling and heating can be realized, and the use requirements of users are met. As shown in fig. 1, the first air duct 10, the second air duct 11, and the third air duct 12 may share one evaporator 20, so that the structure is compact and the cost can be reduced. The three air supply channels can be used simultaneously, or can be used independently, or the two air supply channels are matched with each other for use, so that the air supply modes of the indoor unit 100 of the air conditioner are diversified, and different air supply requirements are met.

In some embodiments of the present utility model, as shown in fig. 2, a plurality of third air outlets are provided corresponding to each axial flow fan 15, and each third air outlet is circular.

In this embodiment, the plurality of third air outlets increases the air output and the air output angle of the indoor unit 100, and by changing the number of third air outlets, the third air outlets are used in cooperation with the first air outlet and the second air outlet, so that the air supply mode of the indoor unit 100 is further diversified. Moreover, the circular axial flow fan air outlet is matched with the outlet of the axial flow fan 15, the heat exchange air blown out by the axial flow fan 15 is spiral, and the circular axial flow fan air outlet has small and uniform resistance to air flow in the process of flowing the heat exchange air, so that the blown heat exchange air is uniform.

In other embodiments of the present utility model, an air duct is disposed outside each axial flow fan 15, an outlet of the air duct is circular, and an outlet of the air duct is a third air outlet.

In some embodiments of the present utility model, as shown in fig. 2, the axial flow fans 15 are three, namely, a first axial flow fan 151, a second axial flow fan 152 and a third axial flow fan 153 from top to bottom. Of course, the number of the axial flow fans 15 is not limited to three, and may be set as needed.

In some embodiments of the present utility model, the number of the three middle axial fans 15 may be changed while the first and second axial fans 13 and 14 are turned on according to the user's scene and demand, and the corresponding air supply mode may be used according to the user's scene. For example, super energy saving mode, intelligent energy saving mode, and strong cooling mode.

In some embodiments of the present utility model, when the activity of indoor users is small, the user can meet the user's demands by only turning on one axial flow fan 15, and the user can adjust the air supply mode of the indoor unit 100 of the air conditioner to super energy saving modes, which include a reading mode, a sleeping mode and a refreshing mode.

When the first axial flow fan 13, the second axial flow fan 14 and the first axial flow fan 151 are turned on, the air supply mode of the air conditioner indoor unit 100 is the reading mode, and the heat exchange air blown by the air conditioner indoor unit 100 is blown to the two sides and the upper side of the room, and the heat exchange air is diffused from the two sides and the upper side of the room to the middle, so that a user reading the book in front of the desk cannot be directly blown by the heat exchange air, and the air supply comfort of the air conditioner indoor unit 100 is improved.

When the first through-flow fan 13, the second through-flow fan 14 and the second through-flow fan 152 are turned on, the air supply mode of the air conditioner indoor unit 100 is the sleep mode, the heat exchange air blown out by the air conditioner indoor unit 100 is blown to the two sides and the middle of the room, the position of the user during sleep is lower, and the heat exchange air is diffused from the two sides and the middle of the room to the position of the user, so that the user in sleep cannot be blown directly by the heat exchange air, and the air supply comfort of the air conditioner indoor unit 100 is improved.

When the first through-flow fan 13, the second through-flow fan 14 and the third through-flow fan 153 are turned on, the air supply mode of the air conditioner indoor unit 100 is the fresh air mode, and the heat exchange air blown by the air conditioner indoor unit 100 is blown to the two sides and the lower side of the room, so that the fresh heat exchange air is blown to the position where the user is located, the user is in a fresh environment, and the user experience is improved.

In some embodiments of the present utility model, when the activity of indoor users is large, two axial fans 15 are required to meet the needs of the users, and the users can adjust the air supply mode of the indoor unit 100 of the air conditioner to an intelligent energy-saving mode, wherein the intelligent energy-saving mode comprises a household mode, a cooking mode and a post-exercise mode.

When the first through-flow fan 13, the second through-flow fan 14, the first axial-flow fan 151 and the second axial-flow fan 152 are turned on, the air supply mode of the air conditioner indoor unit 100 is the household mode, the heat exchange air blown out by the air conditioner indoor unit 100 is blown to the two sides and the upper middle part of the room, and the heat exchange air is diffused downwards from the two sides and the upper middle part of the room, so that the user doing household cannot be blown directly by the heat exchange air, and the air supply comfort of the air conditioner indoor unit 100 is improved.

When the first, second, first and third axial fans 13, 14, 151 and 153 are turned on, the air supply mode of the air conditioner indoor unit 100 is a cooking mode, and the heat exchange air blown out by the air conditioner indoor unit 100 is blown to both sides, above and below the room, the upper heat exchange air cools the hot air accumulated upward during cooking, and the lower heat exchange air cools the user and the cooking location.

When the first through-flow fan 13, the second through-flow fan 14, the second through-flow fan 152 and the third through-flow fan 153 are turned on, the air supply mode of the air conditioner indoor unit 100 is the post-movement mode, and the heat exchange air blown out by the air conditioner indoor unit 100 is blown to the two sides, the middle and the lower sides of the room, so that the user after movement is in a cool environment, and the user experience is improved.

In some embodiments of the present utility model, when rapid cooling or a large air output is required, a user may adjust the air supply mode of the indoor unit 100 to a strong cooling mode, which includes a rapid cooling mode.

When the first through-flow fan 13, the second through-flow fan 14 and the three axial-flow fans 15 are turned on, the air supply mode of the air conditioner indoor unit 100 is the rapid cooling mode, and the first through-flow fan 13, the second through-flow fan 14 and the three axial-flow fans 15 supply air to the indoor at the same time, and the heat exchange air is blown to each indoor position, so that the indoor is cooled rapidly.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the first air outlet and the second air outlet are symmetrically arranged, and the air guide body 16 and the air guide plate 17 for guiding air transversely are rotatably arranged at each of the first air outlet and the second air outlet, and the air guide body 16 and the air guide plate 17 are sequentially arranged along the width direction of the first air outlet and the second air outlet. The profile of the cross section of the wind guiding body 16 is two arcs, two ends of the two arcs are connected and are bent towards the same direction, the curved surface corresponding to the inner arc of the cross section of the wind guiding body 16 is a first wind guiding surface 161, and the curved surface corresponding to the outer arc of the cross section of the wind guiding body 16 is a second wind guiding surface 162. The opposite side surfaces of the air deflector 17 are a third air guiding surface 171 and a fourth air guiding surface 172, respectively, and the third air guiding surface 171 and the fourth air guiding surface 172 are planes.

In this embodiment, the first air outlet and the second air outlet are provided with the air guide body 16 and the air guide plate 17, the air guide body 16 and the air guide plate 17 are matched for use, and the air guide body 16 and the air guide plate 17 are respectively rotated to a preset angle by rotating the air guide body 16 and the air guide plate 17, so that different air supply modes can be realized, and the air outlet of the indoor unit 100 of the air conditioner is diversified.

Further, the air guide body 16 has a first air guide surface 161 and a second air guide surface 162, which are curved, so that the air flow flowing out from the air outlet is guided by the air guide surfaces to have a larger flow angle, thereby increasing the air supply angle of the air conditioner indoor unit 100 and improving the air supply comfort of the air conditioner indoor unit 100. Moreover, the curved first and second air guiding surfaces 161 and 162 also make the airflow flow smoother.

In some embodiments of the utility model, the radius of the first air guiding surface 161 is R, the radius of the second air guiding surface 162 is R, R/R is 49% to 53%, preferably R/R is 51%, the central angle of the first air guiding surface 161 is 45 ° to 55 °, preferably the central angle of the first air guiding surface 161 is 51 °. In this embodiment, the cross section of the wind guiding body 16 is crescent-shaped.

In some embodiments of the present utility model, as shown in FIG. 1, the wind-guiding body 16 is rotatably disposed about an axis of the second wind-guiding surface 162. The second wind guiding surface 162 has a forward-facing position in which the rotational axis of the wind guiding body 16 is inside the wind guiding body 16. The fourth air guiding surface 172 has a forward-facing position in which the rotational axis of the air guiding plate 17 is inside the air guiding plate 17, and a distance between an end of the fourth air guiding surface 172 remote from the air guiding body 16 and the third air guiding surface 171 is greater than a distance between the other end of the fourth air guiding surface 172 and the third air guiding surface 171.

In some embodiments of the present utility model, the angle between the third air guiding surface 171 and the fourth air guiding surface 172 is 4 ° to 8 °, and preferably the angle between the third air guiding surface 171 and the fourth air guiding surface 172 is 6 °. In this embodiment, the cross section of the air deflector 17 is wedge-shaped.

In some embodiments of the present utility model, as shown in fig. 1 and 2, two air deflectors 17 are located between two air deflectors 16, and the air deflectors 16 and the air deflectors 17 are capable of closing the first air outlet and the second air outlet.

In the present embodiment, the air guide bodies 16 are disposed at two lateral ends of the air conditioner indoor unit 100, so that the air supply angle of the air conditioner indoor unit 100 is larger, and the air supply comfort of the air conditioner indoor unit 100 is improved.

In some embodiments of the present utility model, as shown in fig. 1, the air conditioner indoor unit 100 further includes a first curved plate 18 and a second curved plate 19. The first curved plate 18 and the wind guiding body 16 rotate synchronously around the rotation axis of the wind guiding body 16, the first wind guiding surface 161 is located between the first curved plate 18 and the second wind guiding surface 162, the bending direction of the first curved plate 18 and the wind guiding body 16 is consistent, and the rotation axis of the wind guiding body 16 is located on the first curved plate 18. The second curved plate 19 and the air deflector 17 rotate synchronously around the rotation axis of the air deflector 17, the third air guiding surface 171 is located between the second curved plate 19 and the fourth air guiding surface 172, and the rotation axis of the air deflector 17 is located on the second curved plate 19.

In this embodiment, a first curved plate 18 is disposed inside the air guiding body 16, the first curved plate 18 and the air guiding body 16 can supply air in a matching manner, and the first curved plate 18 is disposed coaxially with the air guiding body 16 and rotates in the same direction and at the same angle. The air deflector 17 is provided with the second curved plate 19 on the inner side, and the second curved plate 19 and the air deflector 17 can be matched for air supply, and the second curved plate 19 is coaxial with the air deflector 17 and rotates in the same direction and at the same angle, so that the air deflector is more beneficial to air guiding.

In some embodiments of the present utility model, as shown in fig. 1, each of the first air duct 10 and the second air duct 11 has a first wall surface 101 and a second wall surface 102 disposed opposite to each other, the first wall surface 101 is disposed vertically, the two second wall surfaces 102 are disposed between the two first wall surfaces 101, and a front end of the first wall surface 101 is laterally behind a front end of the second wall surface 102.

In this embodiment, the front end of the first wall surface 101 extends to the side wall of the housing of the air conditioner indoor unit 100, and the front end of the second wall surface 102 extends to the front wall of the housing of the air conditioner indoor unit 100, so that the wind flowing out from the wind channel can be blown to the front side of the air conditioner indoor unit 100 and the side of the air conditioner indoor unit 100, the air supply angle of the air conditioner indoor unit 100 is increased, and the air outlet comfort of the air conditioner indoor unit 100 is improved.

In some embodiments of the present utility model, the angle between the second wall 102 and the vertical plane extending in the left-right direction is between 60 ° and 90 °. Preferably, the angle between the tangential plane at the front end of the second wall surface 102 and the vertical plane extending in the left-right direction is 77 °.

In some embodiments of the present utility model, as shown in fig. 1, the interval between the tangential plane at the front end of the second wall 102 of the first air duct 10 and the tangential plane at the front end of the second wall 102 of the second air duct 11 becomes gradually larger in the direction from the rear to the front.

In this embodiment, the two second wall surfaces 102 extend to two sides along the direction from back to front, so as to guide the air flow to blow to two sides, and increase the blowing angle.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims

1. An indoor unit of an air conditioner, comprising:

2. The indoor unit of claim 1, wherein the first air duct, the second air duct, and the third air duct each blow heat exchanging air.

3. The indoor unit of claim 1, wherein the plurality of third air outlets are provided corresponding to each of the axial flow fans, and each of the third air outlets is circular; or,

4. The indoor unit of claim 1, wherein the first air outlet and the second air outlet are symmetrically arranged, and an air guide body and an air guide plate for transversely guiding air are rotatably arranged at the first air outlet and the second air outlet;

5. The indoor unit of claim 4, wherein the air guide body is rotatably disposed about an axis of the second air guide surface;

6. The indoor unit of claim 4, wherein the angle between the third air guiding surface and the fourth air guiding surface is 4 ° to 8 °.

7. The indoor unit of claim 4, wherein the indoor unit of the air conditioner,

the two air deflectors are positioned between the two air deflectors;

8. The indoor unit of claim 4, further comprising a first curved panel and a second curved panel;

9. The indoor unit of claim 1, wherein the indoor unit of the air conditioner,

the first air duct and the second air duct are respectively provided with a first wall surface and a second wall surface which are oppositely arranged, the first wall surfaces are vertically arranged, the two second wall surfaces are positioned between the two first wall surfaces, and the front end of the first wall surface is arranged at the side rear of the front end of the second wall surface;

10. The indoor unit of claim 9, wherein a distance between a tangential plane at a front end of the second wall of the first duct and a tangential plane at a front end of the second wall of the second duct becomes gradually larger in a direction from rear to front.