CN111735189A

CN111735189A - Wall-mounted air conditioner indoor unit

Info

Publication number: CN111735189A
Application number: CN202010728673.4A
Authority: CN
Inventors: 马列; 姬安生; 齐涛
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2020-10-02
Also published as: EP3604939B1; HUE054273T2; CN111811051A; WO2019169715A1; BR112020007846A2; EP3604939A1; CN111735190A; JP2020517890A; HRP20210601T1; EP3604939A4; CN108489062A; BR112020007846B1

Abstract

The invention discloses a wall-mounted air conditioner indoor unit, which comprises a shell, a fan and a first air deflector, wherein the shell is provided with a first air deflector; the shell is provided with an air outlet, and an air outlet duct communicated with the air outlet is formed inside the shell; the fan is arranged in the air outlet duct; the first air deflector is rotatably arranged at the air outlet. The wall-mounted air conditioner indoor unit is provided with a direct blowing prevention mode, and when the wall-mounted air conditioner indoor unit works in the direct blowing prevention mode, the first air deflector shields part of the air outlet. According to the invention, when the wall-mounted air conditioner indoor unit enters the direct blowing prevention mode, the first air deflector shields part of the air outlet, so that air around the wind direction from the air outlet is diffused, the wind speed is reduced, the wind quantity is reduced, the wind outlet is soft, the soft wind sensed by a human body is avoided, the air conditioner is prevented from blowing singly, the modes are diversified, and the user requirements are met.

Description

Wall-mounted air conditioner indoor unit

Case information

This application is based on a division of the chinese patent application entitled air conditioner and control method of air conditioner with application number 201810202404.7, applied on 3/9/2018, and the entire contents of which are incorporated herein by reference.

Technical Field

The invention relates to the technical field of air conditioning equipment, in particular to a wall-mounted air conditioner indoor unit.

Background

Along with the continuous improvement of people's standard of living, also more and more high to the demand of air conditioner, the air conditioner on the current market, the far stream area of air outlet is big, and the amount of wind is big, and the air supply distance is far away, and the wind of wall-hanging air conditioning indoor set directly blows and brings very big discomfort on one's body, and the sense of blowing is single, can not satisfy different people to the different demands of wind sense.

Disclosure of Invention

The invention mainly aims to provide a wall-mounted air conditioner indoor unit, and aims to solve the technical problem that the air blowing sense of the wall-mounted air conditioner indoor unit in the prior art is single.

In order to achieve the purpose, the wall-mounted air conditioner indoor unit comprises a shell, a first air deflector and a second air deflector; the shell is provided with an air outlet duct formed on the inner side of the shell and an air outlet communicated with the air outlet duct and arranged on the end edge of the shell; the first air deflector is rotatably arranged at the air outlet and is connected with the shell through a first rotating shaft on the shell; the second air deflector is rotationally arranged in the air outlet duct and rotates through a second rotating shaft on the shell; the wall-mounted air conditioner indoor unit is provided with a direct blowing prevention mode, and when the wall-mounted air conditioner indoor unit works in the direct blowing prevention mode, the first air deflector shields part of the air outlet.

Preferably, when the first air deflector closes the air outlet, a side of the first air deflector close to the upper side of the air outlet is a first side, and a side of the first air deflector close to the lower side of the air outlet is a second side; the first rotating shaft extends to the first side edge to form a first surface, the first rotating shaft extends to the end edge of the upper side of the air outlet to form a second surface, and an included angle between the first surface and the second surface is alpha; when the wall-mounted air conditioner indoor unit works in the direct blowing prevention mode, the range of alpha is more than 40 degrees and less than or equal to 55 degrees.

Preferably, when the wall-mounted air conditioner indoor unit operates in the direct blowing prevention mode, the distance M between the first side edge and the end edge of the upper side of the air outlet ranges from 70mm to 85 mm.

Preferably, the distance N between the second side edge and the end edge on the lower side of the air outlet ranges from 25mm to 35 mm.

Preferably, the wall-mounted air conditioner indoor unit at the first side edge of the first side edge is further provided with a cooling/heating mode, when the wall-mounted air conditioner indoor unit works in the cooling/heating mode, the first air deflector completely avoids the air outlet, and the range of alpha is more than or equal to 65 degrees and less than or equal to 90 degrees.

Preferably, when the wall-mounted air conditioner indoor unit operates in a cooling/heating mode, the distance M between the first side edge and the end edge of the upper side of the air outlet ranges from 95mm to 110 mm.

Preferably, when the wall-mounted air conditioner indoor unit works in a cooling/heating mode, the distance N between the second side edge and the end edge of the lower side of the air outlet ranges from 25mm to 45 mm.

Preferably, the first air deflector is provided with an air dispersing hole penetrating through the thickness of the first air deflector.

Preferably, the length of the air dispersing hole in the opening direction is equal to the thickness of the first air guide plate or the length of the air dispersing hole in the opening direction is greater than the thickness of the first air guide plate.

The invention also provides a control method of the wall-mounted air conditioner indoor unit, the wall-mounted air conditioner indoor unit comprises a direct blowing prevention mode and a cooling/heating mode, and the wall-mounted air conditioner indoor unit can be switched between the direct blowing prevention mode and the cooling/heating mode;

when the wall-mounted air conditioner indoor unit works in the direct blowing prevention mode, a part of an air outlet is shielded by a first air deflector, the first rotating shaft extends to the first side edge to form a first surface, the first rotating shaft extends to the end edge of the upper side of the air outlet to form a second surface, the included angle between the first surface and the second surface is alpha, and the alpha is in the range of more than 40 degrees and less than or equal to 55 degrees;

when the wall-mounted air conditioner indoor unit works in the cooling/heating mode, the first air deflector completely avoids the air outlet, and alpha ranges from 65 degrees to 90 degrees.

When the wall-mounted air conditioner indoor unit enters the direct blowing prevention mode, the first air deflector shields part of the air outlet, so that air around the wind direction from the air outlet is diffused, the wind speed is reduced, the wind quantity is reduced, the wind outlet is soft, the human body feels soft wind, the air conditioner is prevented from blowing singly, the modes are diversified, and the requirements of customers are met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a wall-mounted air conditioner indoor unit in a direct blow prevention mode according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural view of a wall-mounted air conditioner indoor unit in a cooling/heating mode according to the present invention;

the reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Wall-mounted air conditioner indoor unit	10	First air deflector
11	Air-dispersing hole	12	First rotation axis
				20	Second air deflector	21	Second air dispersing hole
22	Second rotation axis	30	Shell body
				31	Chassis	32	Panel board
40	Fan blower	50	Swinging blade
				60	Air outlet duct	61	Lower air duct wall
62	Lower air duct wall

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a wall-mounted air conditioner indoor unit and a control method thereof, wherein the wall-mounted air conditioner indoor unit can be a single cooler or a cooling and heating machine, and the wall-mounted air conditioner indoor unit is taken as an example for explanation in the description of the invention. The working modes of the wall-mounted air conditioner indoor unit in the scheme comprise a direct blowing prevention mode and a cooling/heating mode.

Referring to fig. 1 to 3, a wall-mounted air conditioning indoor unit 100 includes a casing 30, a first air deflector 10, and a second air deflector 20; the shell 30 is provided with an air outlet duct (not marked in the figure) formed at the inner side of the shell 30 and an air outlet (not marked in the figure) communicated with the air outlet duct and arranged at the end edge of the shell 30; the first air deflector 10 is rotatably disposed at the air outlet, and is connected to the housing 30 through a first rotating shaft 12 on the housing 30; the second air deflector 20 is rotatably disposed in the air outlet duct, and the second air deflector 20 rotates through a second rotating shaft 22 on the casing 30; the wall-mounted air conditioning indoor unit 100 has a direct blowing prevention mode, and when the wall-mounted air conditioning indoor unit 100 operates in the direct blowing prevention mode, the first air deflector 10 shields a part of the air outlet.

Specifically, the casing 30 is provided therein with components of the wall-mounted type air conditioning indoor unit 100, and the casing 30 serves to beautify the appearance while supporting and protecting the internal components. The housing 30 includes a chassis 31, a face frame (not shown) and a face plate 32, the face frame is disposed on the chassis 31, a front side of the face frame is open, the face plate 32 is disposed on the front side of the face frame, and an air outlet is defined between a lower end of the face plate 32 and the face frame.

Specifically, the face frame may be rotatably or detachably provided on the chassis 31, and the face plate 32 may be rotatably or detachably provided on the face frame. It can be understood that the wall-mounted air conditioning indoor unit 100 further includes a swing blade 50, and the swing blade 50 is rotatably disposed in the air outlet duct and controls the air blowing in the left and right directions to realize air blowing in the left and right directions. The wall-mounted type air conditioning indoor unit 100 further includes a blower 40 provided in the casing 30.

In the embodiment of the present invention, an air outlet duct 60 for air circulation is further disposed in the casing 30, the air outlet duct 60 forms an air outlet at an end edge of the casing 30, and when the wall-mounted air conditioning indoor unit 100 is opened, air is blown to an indoor space through the air outlet, so as to adjust an indoor temperature. The first air deflector 10 rotates around a first rotation axis 12, so as to open or close the air outlet. In this embodiment, the second air guiding plate 20 is provided with a plurality of second air dispersing holes 21 penetrating through the second air guiding plate 20, the second air dispersing holes 21 are arranged along the thickness direction of the second air guiding plate 20, and the second air guiding plate 20 can rotate in the air outlet duct along the second rotating shaft 22. When the wall-mounted air conditioning indoor unit 100 operates in the direct blowing prevention mode, the first air deflector 10 rotates by an angle to shield a part of the air outlet. The air blown out by the wall-mounted air conditioner indoor unit 100 is blocked by the first air deflector 10, and the air volume and the air speed of the air outlet are reduced. The air blown out by the wall-mounted air conditioner indoor unit 100 is prevented from directly blowing on the human body, so that the air felt by a human body is softer, the air conditioner is prevented from blowing air singly, the modes are diversified, and the user requirements are met.

Further, the first air deflector 10 has a first side 13 and a second side 14 opposite to each other; when the first air deflector 10 closes the air outlet, a side of the first air deflector 10 close to the end edge of the upper side of the air outlet is a first side 13, and a side of the first air deflector 10 close to the end edge of the lower side of the air outlet is a second side 14. In the blow-through mode, the first side 13 is higher than the lower edge of the air outlet, and the second side 14 is lower than the lower edge of the air outlet, so that the first air deflector 10 shields the lower portion of the air outlet.

Optionally, in the blow-through prevention mode, a first distance (i.e., distance M shown in fig. 1) is formed between the first side 13 and the upper edge of the outlet, and a second distance (i.e., distance N shown in fig. 1) is formed between the second side 14 and the lower edge of the outlet. Optionally, in the blow-through prevention mode, the first pitch is greater than the second pitch. In addition, optionally, in the anti-blow-through mode, the second wind deflector 20 rotates to deflect wind toward the first distance; specifically, the inner side of the second air guiding plate 20 faces the fan 40, and the outer side of the second air guiding plate 20 faces the first side 13 of the first air guiding plate 10, so as to guide air toward the first distance.

Referring to fig. 1 and fig. 2, in an embodiment, the second air guiding plate 20 is rotatably disposed on the air outlet duct 60; optionally, in the blow-through prevention mode, the second air guiding plate 20 rotates to have its inner side facing the fan 40 and its outer side facing the first side 13 of the first air guiding plate 10 or the upper side of the first side 13.

Further, in the direct blowing prevention mode, a distance between a lower plate surface of the second air deflector 20 and the lower duct wall 61 of the air outlet duct 60 is greater than a distance between an upper plate surface of the second air deflector 20 and the upper duct wall 62 of the air outlet duct 60.

Referring to fig. 1 and 2, in an embodiment, the wall-mounted air conditioning indoor unit 100 further includes a swing blade 50 rotatably disposed in the air outlet duct 60, and the swing blade 50 is located between the fan 40 and the second air guiding plate 20.

Further, in the blow-through prevention mode, a distance between an inner side edge of the first air deflector 10 and an outer side edge of the flap 50 is smaller than a distance between the outer side edge of the first air deflector 10 and the first side edge 13 of the first air deflector 10.

In an embodiment, the first air guiding plate 10 is connected to the housing 30 through a first rotating shaft 12 on the housing 30, the first rotating shaft 12 extends toward the first side 13 to form a first surface (not labeled in the figure), the first rotating shaft 12 extends toward the upper edge of the air outlet to form a second surface (not labeled in the figure), and an included angle between the first surface and the second surface is α; when the wall-mounted air conditioner indoor unit 100 works in the direct blowing prevention mode, the range of alpha is more than 40 degrees and less than or equal to 55 degrees, in this state, the wind speed of the wind coming out of the wind outlet duct is weak, the wind volume is not large, the wind is blocked by the first wind deflector 10, the wind is prevented from directly blowing on a human body, and the wind diffuses to the periphery along the first wind deflector 10, so that the wind becomes softer, is easy to accept by a user, and brings a comfortable feeling to the user.

Further, when the wall-mounted air conditioning indoor unit 100 is in the direct blowing prevention mode and α is in a range of 40 ° < α ≦ 55 °, a first distance (i.e., a distance M in fig. 1) formed between the first side 13 and the upper edge of the air outlet is in a range of 70mm to 85 mm; or, when the wall-mounted air conditioning indoor unit 100 operates in the soft wind sensation mode, the second distance (i.e., the distance N in fig. 1) formed between the second side edge 14 and the lower edge of the air outlet is 25mm to 35mm, and when the wall-mounted air conditioning indoor unit 100 is in the direct blowing prevention mode, the air flowing out of the air outlet channel is easily softened under the action of the first air deflector 10. At this time, when the outlet air of the wall-mounted air conditioning indoor unit 100 is diffused around along the first air deflector 10, the air speed and the air volume coming out of the air outlet are easily reduced, so that the user does not feel the cold/hot air directly blown out from the air outlet of the wall-mounted air conditioning indoor unit.

Referring to fig. 3, further, the wall-mounted indoor air conditioner 100 further has a cooling/heating mode, and when the wall-mounted indoor air conditioner 100 operates in the cooling/heating mode, the first air deflector 10 completely avoids the air outlet. Specifically, when the wall-mounted air conditioner indoor unit 100 operates in the cooling/heating mode, the positions of the first side 13 and the second side 14 of the first air deflector 10 are both lower than the lower edge of the air outlet, and the first air deflector 10 completely avoids the air outlet.

Optionally, when the wall-mounted air conditioner indoor unit operates in the cooling/heating mode, an included angle α between the first surface and the second surface is greater than or equal to 65 degrees and less than or equal to 90 degrees. In an embodiment of the present invention, the second operating mode is a cooling/heating mode, the first air deflector 10 and the second air deflector 20 rotate to a position substantially parallel to an air outlet direction of the air outlet duct, at this time, a side of the first air deflector 10 close to an upper side of the air outlet is a first side 13, and a side of the first air deflector 10 close to a lower side of the air outlet is a second side 14; the first rotating shaft 12 extends towards the first side 13 to form a first surface, the first rotating shaft 12 extends towards the upper edge of the air outlet to form a second surface, an included angle between the first surface and the second surface is α, that is, an initial position is set in a state that the air outlet is completely closed by the first air deflector, an angle of rotation of the first air deflector 10 around the first rotating shaft 12 from the initial position is α, and when the range of the rotation angle α of the first air deflector 10 is not less than 65 degrees and not more than 90 degrees, in this state, the first air deflector 10 and the second air deflector 20 block the wind in the air outlet duct less, so that the wind speed and the wind volume of the wind coming out of the air outlet duct are larger, and the ambient temperature can be rapidly changed.

Further, when the wall-mounted air conditioner indoor unit operates in a cooling/heating mode, a first distance (i.e., the distance M) between the first side 13 and the upper edge of the air outlet is in a range of 95mm to 110 mm. Or, when the wall-mounted air conditioner indoor unit operates in the cooling/heating mode, the second distance (i.e., the distance N) between the second side 14 and the lower edge of the air outlet is in the range of 25mm to 45 mm. In the embodiment of the invention, when the wall-mounted air conditioner indoor unit 100 is in the cooling/heating mode and alpha ranges from 65 degrees to 90 degrees, M ranges from 95mm to 110mm or N ranges from 25mm to 45 mm. The air speed and the air volume coming out of the air outlet are easy to increase, at this time, the air outlet obstruction of the wall-mounted air conditioner indoor unit 100 by the first air deflector 10 is small, so that the air speed of the air coming out of the air outlet duct 60 is high, the air volume is large, and the temperature in a room can be rapidly adjusted.

Further, in the embodiment of the present invention, the first air guiding plate 10 is provided with an air dispersing hole 11 penetrating through the thickness of the first air guiding plate 10.

Further, the length of the air dispersing hole 11 in the opening direction is equal to the thickness of the first air deflector 10 or the length of the air dispersing hole 11 in the opening direction is greater than the thickness of the first air deflector 10. The diameter of the air dispersing hole 11 gradually increases along the direction from the inner side of the first air deflector 10 to the outer side of the first air deflector 10. The structure is simple, and the air in the air outlet duct can be conveniently diffused to the periphery from the air diffusion holes 11 of the first air deflector 10.

The invention also provides a control method of the wall-mounted air conditioner indoor unit 100, wherein the wall-mounted air conditioner indoor unit 100 is the wall-mounted air conditioner indoor unit 100, the wall-mounted air conditioner indoor unit 100 comprises a direct blowing prevention mode and a cooling/heating mode, and the wall-mounted air conditioner indoor unit can be switched between the direct blowing prevention mode and the cooling/heating mode; when the wall-mounted air conditioner indoor unit works in a direct blowing prevention mode, the first air deflector shields part of the air outlet, the first rotating shaft extends to the first side edge 13 to form a first surface, the first rotating shaft extends to the upper edge of the air outlet to form a second surface, an included angle between the first surface and the second surface is alpha, and the alpha is in a range of more than 40 degrees and less than or equal to 55 degrees; when the wall-mounted air conditioner indoor unit works in a refrigerating/heating mode, the first air deflector completely avoids the air outlet, and the range of alpha is more than or equal to 65 degrees and less than or equal to 90 degrees. The specific structure of the wall-mounted air conditioning indoor unit 100 refers to the above embodiments, and is not described in detail herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An indoor unit for a wall-mounted air conditioner, comprising:

the air conditioner comprises a shell, a fan and a control device, wherein the shell is provided with an air outlet, and an air outlet duct communicated with the air outlet is formed inside the shell;

the fan is arranged in the air outlet duct; and

the first air deflector is rotatably arranged at the air outlet;

the wall-mounted air conditioner indoor unit is provided with a direct blowing prevention mode, and when the wall-mounted air conditioner indoor unit works in the direct blowing prevention mode, the first air deflector shields part of the air outlet.

2. The wall mounted indoor unit of air conditioner of claim 1, wherein the first air deflector has a first side and a second side opposite to each other; in the direct blowing prevention mode, the first side edge is higher than the lower edge of the air outlet, and the second side edge is lower than the lower edge of the air outlet, so that the first air deflector shields the lower part of the air outlet.

3. The wall-mounted air conditioning indoor unit of claim 2, further comprising a second air deflector rotatably disposed in the outlet duct; in the direct blowing prevention mode, the second air deflector rotates until the inner side edge of the second air deflector faces the fan, and the outer side edge of the second air deflector faces the first side edge of the first air deflector or the upper side of the first side edge.

4. The wall-mounted air conditioner indoor unit of claim 3, wherein in the anti-blow-through mode, a distance between a lower plate surface of the second air deflector and a lower duct wall of the outlet duct is greater than a distance between an upper plate surface of the second air deflector and an upper duct wall of the outlet duct.

5. The wall-mounted air conditioning indoor unit of claim 3, further comprising a swing vane rotatably disposed in the outlet duct, the swing vane being positioned between the fan and the second air deflector.

6. The wall mounted air conditioning indoor unit of claim 5, wherein in the anti-blow-through mode, a distance between an inner side edge of the first air deflector and an outer side edge of the swing vane is smaller than a distance between the outer side edge of the first air deflector and the first side edge of the first air deflector.

7. The wall-mounted indoor unit of an air conditioner as claimed in any one of claims 2 to 6, wherein the wall-mounted indoor unit further has a cooling/heating mode, and when the wall-mounted indoor unit operates in the cooling/heating mode, the first and second sides of the first air deflector are both positioned lower than the lower edge of the outlet, and the first air deflector completely avoids the outlet.

8. The wall mounted indoor unit of an air conditioner as claimed in any one of claims 2 to 6, wherein in the blow-through prevention mode, a first interval is formed between the first side and an upper edge of the outlet, and a second interval is formed between the second side and a lower edge of the outlet, the first interval being greater than the second interval.

9. The wall-mounted air conditioning indoor unit of claim 8, wherein, in the blow-through prevention mode, the first pitch ranges from 70mm to 85 mm; and/or the presence of a gas in the gas,

the second spacing is in the range of 25mm to 35 mm.

10. The wall-mounted air conditioning indoor unit of any one of claims 2 to 6, wherein the first air deflector is connected to the casing through a first rotation shaft on the casing; in the anti-blow-through mode, the first rotary shaft extends to the first side edge of the first air deflector to form a first surface, the first rotary shaft extends to the upper edge of the air outlet to form a second surface, an included angle between the first surface and the second surface is alpha, and the range of alpha is more than 40 degrees and less than or equal to 55 degrees.

11. The wall mounted air conditioning indoor unit of claim 10, wherein the angle α between the first side and the second side ranges from 65 ° to 90 ° when the wall mounted air conditioning indoor unit is operated in the cooling/heating mode.