CN107449038B

CN107449038B - Indoor unit of air conditioner

Info

Publication number: CN107449038B
Application number: CN201710643842.2A
Authority: CN
Inventors: 朱懋成; 李胜奇
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2021-03-26
Anticipated expiration: 2037-07-31
Also published as: CN108759052A; CN107449038A

Abstract

The invention discloses an air-conditioning indoor unit, which comprises: the air conditioner comprises a machine body, a fan and a controller, wherein an air outlet is formed in the machine body; the outer air deflector is arranged at the air outlet and used for opening and closing the air outlet; the inner air deflector is arranged at the air outlet and positioned on the inner side of the outer air deflector, a plurality of air dispersing holes penetrating through the inner air deflector in the thickness direction are formed in the inner air deflector, and the sum of the areas of the air dispersing holes in the inner air deflector is not less than 50% of the total area of the inner air deflector. According to the air-conditioning indoor unit, the plurality of air dispersing holes are formed in the inner air guide plate, the sum of the areas of the plurality of air dispersing holes is not less than 50% of the total area of the inner air guide plate, when airflow is blown out through the air dispersing holes, the air speed and the air quantity can be effectively reduced, and meanwhile, the refrigerating and heating efficiency of the indoor environment is guaranteed.

Description

Indoor unit of air conditioner

Technical Field

The invention relates to the technical field of household appliances, in particular to an air conditioner indoor unit.

Background

Along with the improvement of living standard, consumers attach more and more importance to the user experience of consumer goods, and also in the field of air conditioners, the user needs to feel more comfortable not only by realizing the functions of refrigeration and heating. In hot summer, a user often starts an air conditioner to refrigerate, and if cold air blows to the body of the user, the user feels uncomfortable, and the user is more likely to suffer from air conditioning diseases for some weak people with weak physique, such as the old, pregnant women, children and the like.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air conditioner indoor unit which can achieve the effect of no wind sensation.

An indoor unit of an air conditioner according to the present invention includes: the air conditioner comprises a machine body, a fan and a controller, wherein an air outlet is formed in the machine body; the outer air deflector is arranged at the air outlet and used for opening and closing the air outlet; the inner air deflector is arranged at the air outlet and positioned on the inner side of the outer air deflector, a plurality of air dispersing holes penetrating through the inner air deflector in the thickness direction are formed in the inner air deflector, and the sum of the areas of the air dispersing holes in the inner air deflector is not less than 50% of the total area of the inner air deflector.

According to the air-conditioning indoor unit, the plurality of air dispersing holes are formed in the inner air guide plate, the sum of the areas of the plurality of air dispersing holes is not less than 50% of the total area of the inner air guide plate, when airflow is blown out through the air dispersing holes, the air speed and the air quantity can be effectively reduced, and meanwhile, the refrigerating and heating efficiency of the indoor environment is guaranteed.

In some embodiments, the total area of the inner air deflectors is not less than 45% of the area of the air outlet.

In some embodiments, a projection area of the inner air deflector in a thickness direction thereof is not less than 70% of a total area of the air outlet.

In some embodiments, the air diffusing hole comprises a first hole section and a second hole section which are sequentially connected along the air outlet direction, and the outlet size of the first hole section is larger than the inlet size of the second hole section so as to form a parting surface.

In some embodiments, the first hole section gradually shrinks along the wind outlet direction, and the second hole section gradually enlarges along the wind outlet direction.

In some embodiments, the parting plane is planar.

In some embodiments, the inlet area of the dispersion holes is no greater than the outlet area.

In some embodiments, the spacing between the parting surface and the outlet end of the dispersion hole is no greater than one-half of the total length of the dispersion hole.

In some embodiments, at least a part of the plurality of the air dispersing holes has a hole diameter which is sequentially decreased, sequentially increased or kept unchanged in the direction from top to bottom.

In some embodiments, at least a portion of the plurality of the air dispersing holes are arranged in sequence along a predetermined straight line or curved line.

In some embodiments, the diameter of the air dispersion holes is in the range of 2mm to 4 mm.

In some embodiments, when the inner wind deflector is perpendicular to the wind outlet direction, an included angle between a center line of the wind dispersing hole and a horizontal plane is in a range of-10 ° to 10 °.

In some embodiments, the inner air guiding plate is rotatable between an un-wind-sensing state and an open state, the inner air guiding plate extends into the air outlet and is arranged along the air outlet direction when in the open state, and the inner air guiding plate is flush with the outer edge profile of the machine body when in the un-wind-sensing state.

In some embodiments, the inner air deflector is made of at least one of normal ABS, modified ABS, PC, and modified PC.

In some embodiments, the cross-section of the air dispersion holes is circular, elliptical, triangular or polygonal.

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

Fig. 1 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which an air outlet is opened by an outer air deflector and an inner air deflector is in a non-wind-sensing state;

fig. 2 is a schematic view of another angle of the air conditioning indoor unit shown in fig. 1;

3 FIG. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 the 3 drawing 3; 3

FIG. 4 is an enlarged view of FIG. 3 at circled B;

FIG. 5 is an enlarged view at C circled in FIG. 4;

FIG. 6 is an enlarged view of FIG. 3 at circled B with the arrows pointing in the direction of the outlet air;

fig. 7 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which an outer air guide plate closes an air outlet;

fig. 8 is a sectional view of the air conditioning indoor unit shown in fig. 7;

FIG. 9 is an enlarged view at D circled in FIG. 8;

fig. 10 is a schematic view illustrating an indoor unit of an air conditioner according to an embodiment of the present invention, wherein the outer air guide plate opens the outlet and the inner air guide plate is in an open state;

fig. 11 is a sectional view of the air conditioning indoor unit shown in fig. 10;

FIG. 12 is an enlarged view at E circled in FIG. 11;

fig. 13 is a schematic view of the air conditioning indoor unit shown in fig. 2;

fig. 14 is an enlarged view of fig. 13 at circled F.

Reference numerals:

an indoor unit 100 of an air conditioner is provided,

the machine body 1, the air outlet 11,

the outer wind-guiding plate (2),

the inner air deflector 3, the air dispersing hole 31, the first hole section 311, the second hole section 312 and the parting surface 313.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

An air conditioning indoor unit 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 14. In which the indoor unit 100 and the outdoor unit are assembled together to form an air conditioner for adjusting the indoor ambient temperature. The air conditioner may be a split wall-mounted air conditioner, and the air conditioner may be a single cooler or a cooling and heating machine, which are all exemplified in the description of the present invention, and the air conditioner indoor unit 100 includes a no-wind-feeling mode, a cooling wind-feeling mode, and a heating wind-feeling mode.

As shown in fig. 1 to 3, an air conditioning indoor unit 100 according to an embodiment of the present invention includes: the air conditioner comprises a machine body 1, an outer air deflector 2 and an inner air deflector 3. All the components of the indoor unit 100 of the air conditioner are installed in the machine body 1, and the machine body 1 can play a role in supporting and protecting internal components on one hand and can also play a certain decorative effect on the other hand.

The machine body 1 comprises a chassis, a face frame and a panel, wherein the face frame is arranged on the chassis, the front side of the face frame is open, the panel is arranged on the front side of the face frame, and an air outlet 11 is defined between the lower end of the panel and the face frame. Specifically, the face frame can be rotatably or detachably arranged on the chassis, and the panel can be rotatably or detachably arranged on the face frame. It can be understood that the inside of the machine body 1 has an air outlet frame for circulating air, and the indoor unit 100 of the air conditioner further includes elements such as a heat exchanger, a fan, an electric control box, etc. arranged in the machine body 1.

Specifically, the machine body 1 is provided with an air outlet 11; the outer air deflector 2 is arranged at the air outlet 11, and the outer air deflector 2 is used for opening and closing the air outlet 11; for example, the outer wind deflector 2 may be pivotally connected to the edge of the outlet 11, and the outlet 11 may be opened and closed by rotating the outer wind deflector 2. When the air outlet 11 is opened by the outer air deflector 2, the internal space of the indoor unit 100 of the air conditioner is communicated with the indoor space, air flow can be blown to the indoor space through the air outlet 11, and the outer air deflector 2 can play a role in guiding the blown air flow; when the outer air guiding plate 2 closes the air outlet 11, the outer air guiding plate 2 is flush with the outer edge profile of the machine body 1 to close the air outlet 11, and at this time, the inner space of the indoor unit 100 of the air conditioner is not communicated with the indoor space.

Of course, it can be understood that, during the operation of the air conditioning indoor unit 100, the outer air guiding plate 2 may also rotate around the rotating shaft of the outer air guiding plate 2 to swing the air.

The inner wind deflector 3 is arranged at the wind outlet 11, and the inner wind deflector 3 is located at the inner side of the outer wind deflector 2, preferably, the inner wind deflector 3 is rotatably arranged at the wind outlet 11, and when the inner wind deflector 3 rotates to a certain angle, the inner wind deflector 3 can be used for guiding the blown airflow so as to adjust the wind outlet angle. Of course, it can be understood that, during the operation of the air conditioning indoor unit 100, the inner air guiding plate 3 can also rotate around the rotation shaft thereof to swing the air.

Further, the inner air guiding plate 3 is formed with a plurality of air dispersing holes 31 penetrating the inner air guiding plate 3 in the thickness direction of the inner air guiding plate 3. Wherein, optionally, the cross section of the air dispersing hole 31 is circular, oval, triangular or polygonal.

Advantageously, the inner air deflector 3 is rotatable between a non-windy state (e.g. the state of the inner air deflector shown in fig. 4) and an open state (e.g. the state of the inner air deflector 3 shown in fig. 11). As shown in fig. 11, when the inner air guiding plate 3 is in the open state, the inner air guiding plate 3 extends into the air outlet 11 and is disposed along the air outlet direction (i.e. the inner air guiding plate 3 is substantially parallel to the air outlet direction), at this time, if the outer air guiding plate 2 is rotated to open the air outlet 11, the air flow can be directly blown out through the air outlet 11, and at this time, the indoor air conditioning unit 100 is in the air sensing mode, i.e. directly blows out hot air or cold air, so as to achieve the adjustment of the indoor temperature. At this time, the outer air guiding plate 2 and the inner air guiding plate 3 both play a role of guiding the flow direction of the air flow, so as to improve the cooling or heating effect.

As shown in fig. 4 and 6, when the inner air guiding plate 3 is in a no-wind-feeling state, the inner air guiding plate 3 is flush with the outer edge profile of the machine body 1 (the inner air guiding plate 3 is substantially perpendicular to the wind outlet direction), at this time, if the outer air guiding plate 2 is rotated to open the wind outlet 11, the airflow can be blown out through the wind dissipating holes 31 on the inner air guiding plate 3, and at this time, the air conditioning indoor unit 100 is in a no-wind-feeling mode. In the process, the inner air deflector 3 can play a certain role in blocking the blown air flow, and only the air flow is allowed to blow out through the air dispersing holes 31, so that the air speed and the air volume can be reduced, the air tends to be calm, and the effect of calm feeling is achieved. Effectively avoid suffering from air conditioning disease because the air current directly blows the people, user experience is better.

Further, the sum of the areas of the plurality of air dispersing holes 31 on the inner air guiding plate 3 is not less than 50% of the total area of the inner air guiding plate 3. Therefore, the refrigeration and heating efficiency of the indoor environment can be ensured on the premise of reducing the air outlet speed and the air volume.

According to the air conditioning indoor unit 100 of the embodiment of the present invention, the plurality of air dissipating holes 31 are formed in the inner air guiding plate 3, and the sum of the areas of the plurality of air dissipating holes 31 is not less than 50% of the total area of the inner air guiding plate 3, so that when the air flow is blown out through the air dissipating holes 31, the air speed and the air volume can be effectively reduced, and the cooling and heating efficiency for the indoor environment can be ensured.

Here, when the total area of the inner wind deflectors is too small, the effect of reducing the wind speed and the wind volume of the outlet 11 is not good, and therefore, it is preferable that the total area of the inner wind deflectors 3 is not less than 45% of the area of the outlet 11 in one embodiment of the present invention. Therefore, the inner air guide plate can effectively reduce the air outlet speed and the air outlet quantity when being vertical to the air outlet direction, and the effect of no wind feeling is achieved. For example, the total area of the inner air deflectors 3 may be greater than 55%, 65%, 75%, or the like, of the area of the air outlet 11.

Here, the total area of the inner air guiding plate 3 includes the area of the air dispersing holes 31 of the inner air guiding plate 3.

In some embodiments of the present invention, the projected area of the inner air deflector 3 along the thickness direction thereof is not less than 70% of the total area of the outlet 11. From this, interior aviation baffle 3 can effectively block the air-out amount of wind and the air-out wind speed of air outlet 11, realizes the effect of no wind sense, improves user experience. For example, the projection area of the inner air deflector 3 along the thickness direction thereof may be 80%, 85%, or 90% of the total area of the air outlet 11, and so on.

In some embodiments of the present invention, as shown in fig. 4-6, the air dispersing hole 31 may include a first hole section 311 and a second hole section 312, the first hole section 311 and the second hole section 312 are sequentially connected along an air outlet direction (e.g., an arrow direction shown in fig. 6), an outlet size of the first hole section 311 is larger than an inlet size of the second hole section 312, so that a parting plane 313 is formed at a connecting position of the first hole section 311 and the second hole section 312. The parting surface 313 can further reduce the wind speed and the wind volume of the airflow in the air dispersing hole 31, and further achieve the non-wind effect. In addition, the parting surface 313 is arranged, so that the air dispersing hole 31 is convenient to mold, and the structure is simplified.

Further, as shown in fig. 5, the first hole section 311 gradually shrinks along the air outlet direction, and the second hole section 312 gradually enlarges along the air outlet direction. In other words, in the air outlet direction, the aperture of the first hole section 311 is gradually reduced, and the aperture of the second hole section 312 is gradually increased, so that the air volume of the air flow can be gradually reduced in the first hole section 311, and the flow speed of the air flow can be gradually reduced in the second hole section 312, which is beneficial to realizing the no-wind effect.

Alternatively, referring to fig. 5, the parting plane 313 may be a plane. Therefore, the structure can be simplified, the processing and the manufacturing are convenient, and the effects of reducing the air quantity and the air speed are achieved.

In some embodiments, the inlet area of the air dispersion holes 31 is not greater than the outlet area, that is, the inlet area of the air dispersion holes 31 may be equal to the outlet area, and the inlet area of the air dispersion holes 31 may be smaller than the outlet area. Therefore, the outlet air speed of the air dispersing holes 31 is not larger than the inlet air speed, and the outlet air speed of the air dispersing holes 31 is smaller than the inlet air speed, so that the air quantity and the air speed can be reduced, and the air outlet is free of wind feeling.

Of course, the present invention is not limited thereto, and the inlet area of the air dispersing holes 31 may be larger than the outlet area. So as to reduce the air output of the outlet.

In some embodiments, the parting surface 313 of the air dispersion holes 31 is spaced from the outlet end by no more than one-half of the total length of the air dispersion holes 31. This can further contribute to the achievement of the no-wind effect.

In some embodiments, as shown in fig. 13 and 14, at least a portion of the plurality of air dispersing holes 31 have a hole diameter that decreases, increases, or remains constant in the top-down direction. That is, in the direction from top to bottom, the aperture of at least a part of the plurality of air dispersing holes 31 on the inner air guiding plate 3 can be sequentially decreased; in the direction from top to bottom, the aperture of at least one part of the plurality of air dispersing holes 31 on the inner air deflector 3 can also be sequentially increased; in the direction from top to bottom, the aperture of at least a part of the plurality of air dispersing holes 31 on the inner air guiding plate 3 can also be consistent, that is, the aperture is kept unchanged. Therefore, the apertures of the inner air guide plate 3 at different positions can be set according to different air outlet requirements, and the applicability is improved.

In some embodiments, at least a portion of the plurality of air dispersing holes 31 may be arranged along a predetermined straight line, and at least a portion of the plurality of air dispersing holes 31 may be arranged in sequence along a predetermined curved line. Therefore, the positions of the air dispersing holes 31 can be reasonably arranged according to requirements, and meanwhile, the appearance is beautified.

For example, a plurality of rows of air diffusing hole groups are arranged on the inner air guiding plate 3 at intervals along the length direction (for example, the left-right direction shown in fig. 13), and each row of air diffusing hole group includes a plurality of air diffusing holes 31 arranged at intervals along the up-down direction. Wherein, a plurality of the air dispersing holes 31 in two adjacent rows of air dispersing hole groups are staggered along the up-down direction. In addition, the plurality of air dispersing holes 31 in two adjacent rows of air dispersing hole groups may be arranged in left-right alignment.

Wherein, changing the size of the aperture of the air dispersing hole 31 can change the air outlet speed and the air outlet quantity, which is beneficial to realizing the effect of no wind feeling. Therefore, in some embodiments, the aperture of the air dispersing hole 31 is in the range of 2mm to 4mm, so that the wind speed and the air volume can be effectively reduced, and the cooling and heating rate can be ensured.

In some embodiments, as shown in fig. 6, when the inner wind deflector 3 is perpendicular to the wind outlet direction, the included angle between the center line of the wind dispersing hole 31 and the horizontal plane is in the range of-10 ° to 10 °. Preferably, when the inner wind deflector 3 is perpendicular to the wind outlet direction, the included angle between the central line of the wind dispersing hole 31 and the horizontal plane is in the range of-5 degrees to 5 degrees. Preferably, when the inner wind deflector 3 is perpendicular to the wind outlet direction, the central line of the wind dispersing hole 31 is substantially parallel to the horizontal plane. Therefore, the airflow can be blown out along the direction which is approximately horizontal, the airflow is prevented from being directly blown to the human body, and the user experience is improved.

In some embodiments, the inner air guiding plate 3 is made of at least one material selected from the group consisting of normal ABS (acrylonitrile-styrene-butadiene copolymer), modified ABS, PC (polycarbonate), and modified PC.

In some embodiments, the outer air deflection plates 2 are made of at least one material of normal ABS (acrylonitrile-styrene-butadiene copolymer), modified ABS, PC (polycarbonate), and modified PC.

The operation of the indoor unit 100 of an air conditioner according to the embodiment of the present invention will be described.

The air-conditioning indoor unit 100 of the embodiment of the invention has a no-wind-sense mode, a cooling wind-sense mode and a heating wind-sense mode, and when the air-conditioning indoor unit 100 works:

starting the indoor unit 100 of the air conditioner and selecting an air outlet mode;

when the non-wind-feeling mode is selected, the air outlet 11 is opened by the outer air deflector 2, the inner air deflector 3 rotates to be approximately vertical to the air outlet direction, at the moment, the wind in the machine body 1 is blown out from the plurality of wind-dispersing holes 31, the wind speed is reduced, and the non-wind-feeling effect can be realized. The outer air deflector 2 can rotate to the air outlet range of the air outlet 11 to change the wind direction;

when the cooling wind sensing mode or the heating wind sensing mode is selected, the outer air deflector 2 opens the air outlet 11, and the inner air deflector 3 rotates to a position approximately parallel to the air outlet direction.

In the description of the present invention, it is to be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. 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 the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. 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.

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

Claims

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

the air conditioner comprises a machine body, a fan and a controller, wherein an air outlet is formed in the machine body;

the outer air deflector is arranged at the air outlet and used for opening and closing the air outlet;

the inner air deflector is arranged at the air outlet and positioned on the inner side of the outer air deflector, a plurality of air dispersing holes penetrating through the inner air deflector in the thickness direction are formed in the inner air deflector, and the sum of the areas of the air dispersing holes in the inner air deflector is not less than 50% of the total area of the inner air deflector;

the air diffusing hole comprises a first hole section and a second hole section which are sequentially connected along the air outlet direction, the first hole section gradually shrinks along the air outlet direction, and the second hole section gradually enlarges along the air outlet direction;

the inner air deflector can rotate between a non-wind-sensing state and an opening state, the inner air deflector extends into the air outlet and is arranged along the air outlet direction when in the opening state, and the inner air deflector is flush with the outer edge outline of the machine body when in the non-wind-sensing state.

2. An indoor unit of an air conditioner according to claim 1, wherein the total area of the inner air deflectors is not less than 45% of the area of the air outlet.

3. An indoor unit of an air conditioner according to claim 1, wherein a projected area of the inner air guide plate in a thickness direction thereof is not less than 70% of a total area of the outlet.

4. An indoor unit of an air conditioner according to claim 1, wherein an outlet size of the first hole section is larger than an inlet size of the second hole section to form a parting plane.

5. An indoor unit of an air conditioner according to claim 4, wherein the parting plane is a plane.

6. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein an inlet area of the air dispersing hole is not larger than an outlet area.

7. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein a distance between a parting surface of the air dispersing hole and an outlet end is not more than half of a total length of the air dispersing hole.

8. An indoor unit of an air conditioner according to claim 1, wherein at least a part of the plurality of the air dispersing holes has a diameter which decreases, increases or remains constant in the order from the top to the bottom.

9. An indoor unit of an air conditioner according to claim 1, wherein at least some of the plurality of the air dispersing holes are arranged in sequence along a predetermined straight line or curved line.

10. An indoor unit of an air conditioner according to claim 1, wherein the diameter of the air dispersing hole is in the range of 2mm to 4 mm.

11. An indoor unit of an air conditioner according to claim 1, wherein an included angle between a center line of the air dispersing hole and a horizontal plane when the inner air guiding plate is perpendicular to the air outlet direction is in a range of-10 ° to 10 °.

12. The indoor unit of claim 1, wherein the inner air guide plate is made of at least one material selected from the group consisting of general ABS, modified ABS, PC and modified PC.

13. An indoor unit of an air conditioner according to claim 1, wherein the cross section of the air dispersing hole is circular, elliptical or polygonal.