CN209857186U

CN209857186U - Air conditioner indoor unit and air conditioner with same

Info

Publication number: CN209857186U
Application number: CN201920626000.0U
Authority: CN
Inventors: 闫长林; 张爱川; 丁鹏垒; 张卫东
Original assignee: Guangdong Midea Refrigeration Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2019-12-27
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an indoor set of air conditioner and have its air conditioner, the indoor set of air conditioner includes: the air outlet channel is limited in the shell and is provided with an air outlet positioned on the shell; the wind wheel is arranged in the air duct to drive airflow to flow to the air outlet; the protection network, the protection network is located in the wind channel, and on the flow direction of air current, the protection network is located the downstream side of wind wheel, at the perpendicular to on the cross section of the axis of rotation of wind wheel, the contained angle alpha between protection network and the benchmark normal satisfies: -15 ° or more and α or less and 15 ° or less, where a straight line of the protective net intersects with a wall surface of the air duct at a reference point, a tangent of the wall surface of the air duct passing through the reference point is a reference tangent, and the reference normal is a straight line perpendicular to the reference tangent. According to the utility model discloses machine in air conditioning, the position of protection network sets up rationally, and the windage of machine is little in the air conditioning, the amount of wind is big, the noise is little.

Description

Air conditioner indoor unit and air conditioner with same

Technical Field

The utility model belongs to the technical field of the air conditioning technique and specifically relates to a machine and have its air conditioner in air conditioning.

Background

In the related art, the position of a protective net in an air duct of an air-conditioning indoor unit is unreasonable, so that the air-conditioning indoor unit has large wind resistance, small air volume and large noise.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an indoor set of air conditioning, the position of the protection network of indoor set of air conditioning sets up rationally, and the windage of indoor set of air conditioning is little, the amount of wind is big, the noise is little.

The utility model also provides an air conditioner of having above-mentioned machine in the air conditioning.

According to the utility model discloses machine in air conditioning of first aspect embodiment, include: the air outlet channel is limited in the shell and is provided with an air outlet positioned on the shell; the wind wheel is arranged in the air duct to drive airflow to flow to the air outlet; the protection network, the protection network is located in the wind channel, and on the flow direction of air current, the protection network is located the downstream side of wind wheel, at the perpendicular to on the cross section of the axis of rotation of wind wheel, the contained angle alpha between protection network and the benchmark normal satisfies: -15 ° or more and α or less and 15 ° or less, where a straight line of the protective net intersects with a wall surface of the air duct at a reference point, a tangent of the wall surface of the air duct passing through the reference point is a reference tangent, and the reference normal is a straight line perpendicular to the reference tangent.

According to the utility model discloses machine in air conditioning, through making alpha satisfy: alpha is more than or equal to 15 degrees and less than or equal to 15 degrees, so that the wind resistance of the protective net is minimum, the turbulence effect of the protective net on the air outlet is effectively reduced, the air outlet volume is larger, the air outlet is smoother, the noise is reduced, the air supply uniformity of the air conditioner is improved, and the integral use comfort of a user is obviously improved.

In addition, according to the utility model discloses machine in air conditioning can also have following additional technical characterstic:

according to an embodiment of the present invention, α satisfies: alpha is more than or equal to 8 degrees below zero.

According to an embodiment of the present invention, α satisfies: alpha is more than or equal to 3 degrees below zero and less than or equal to 3 degrees below zero.

According to the utility model discloses an embodiment, the protection network with the wind channel can be dismantled and link to each other.

According to the utility model discloses an embodiment still includes: the air guide strip is rotatably arranged at the air outlet; the louver is rotatably arranged in the air duct and located between the wind wheel and the wind guide strips, and the wind guide strips and the louver are located on the downstream side of the protective net in the flowing direction of air flow.

Optionally, on a cross section perpendicular to the rotation axis of the wind wheel, an extending direction of a connection line between two ends of the air outlet is a first direction, a direction perpendicular to the first direction is a second direction, when the louver rotates to a position perpendicular to the rotation axis of the wind wheel, a distance between the wind wheel and one end of the louver, which is far away from the wind wheel, is Le in the second direction, and when the wind guide strip rotates to a position perpendicular to the first direction, a distance between the rotation axis of the wind wheel and one end of the wind guide strip, which is far away from the wind wheel, is Lf in the second direction, wherein: the Le and the Lf satisfy the following relational expression: le is more than or equal to 80mm and less than or equal to 100 mm; Le/Lf is more than or equal to 0.42 and less than or equal to 0.52.

Optionally, the louver is provided in plurality, and the louvers are arranged at intervals along the length direction of the air outlet.

Optionally, the air guide strips are provided with a plurality of air guide strips, and the plurality of air guide strips are arranged at intervals along the width direction of the air outlet.

Optionally, the rotation axis of the wind guide strip is perpendicular to the rotation axis of the louver.

According to the utility model discloses air conditioner of second aspect embodiment, include according to the utility model discloses the machine in the air conditioning of above-mentioned first aspect embodiment.

According to the utility model discloses air conditioner, through setting up the basis the utility model discloses the air condensing units of above-mentioned first aspect embodiment for the air conditioner has the whole advantages that above-mentioned air conditioner indoor set has, and here is no longer repeated.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1, with the louvers and air guide strips not shown;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

fig. 4 is a sectional view at a-a in fig. 1, in which the protection net is not shown.

Reference numerals:

an indoor unit 100 of an air conditioner is provided,

a housing 1; an air duct 11; an air outlet 111;

a wind wheel 2; a louver 3; an air guide strip 4; a protective net 5;

a reference point 101; a reference tangent line 102; a reference normal 103; a first boundary line 104; a second boundary line 105.

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 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

An air conditioning indoor unit 100 according to an embodiment of a first aspect of the present invention is described below with reference to fig. 1 to 4. The air conditioning indoor unit 100 may be a wall-mounted indoor unit or a cabinet-type indoor unit.

Referring to fig. 1 to 3, an air conditioning indoor unit 100 according to an embodiment of the present invention includes: the wind power generator comprises a shell 1, a wind wheel 2 and a protective net 5.

Specifically, as shown in fig. 1 and 2, an air duct 11 is defined inside the housing 1, and the air duct 11 has an air outlet 111 on the housing 1. It will be appreciated that the duct 11 defines a passage through which an air flow can flow, and the air flow can flow along the duct 11 and be blown to the indoor space through the outlet 111. As shown in fig. 2, the wind wheel 2 is disposed in the wind tunnel 11 to drive the airflow to the wind outlet 111. The protection net 5 is provided in the air duct 11, and the protection net 5 is located on the downstream side of the wind turbine 2 in the flow direction of the airflow. The wind wheel 2 can be separated from the external space by the protective net 5, and the wind wheel 2 can be prevented from being touched by hands by mistake, so that the working reliability and safety of the indoor unit 100 of the air conditioner can be improved. In addition, through the arrangement of the protective net 5, the wind wheel 2 can be prevented from being damaged in the transportation process of the indoor unit 100 of the air conditioner, and therefore the reliability of the transportation process of the indoor unit 100 of the air conditioner can be improved. Alternatively, the protection net 5 may be a wire net.

As shown in fig. 2 to 3, in a cross section perpendicular to the rotation axis of the wind rotor 2, the angle α between the protection net 5 and the reference normal 103 satisfies: 15 DEG. ltoreq. alpha. ltoreq.15 DEG, for example, alpha may be-15 DEG, -13 DEG, -12 DEG, -10 DEG, -5 DEG, -3 DEG, -1 DEG, 0 DEG, 1 DEG, 2 DEG, 5 DEG, 8 DEG, 10 DEG, 12 DEG or 15 DEG, or the like.

The straight line on which the protection net 5 is located intersects the wall surface of the wind path 11 at the reference point 101, the tangent line of the wall surface of the wind path 11 passing through the reference point 101 is a reference tangent line 102, and the reference normal line 103 is a straight line perpendicular to the reference tangent line 102.

As shown in fig. 3, a straight line that makes an angle of-15 ° with the reference normal line 103 is a first boundary line 104, a straight line that makes an angle of 15 ° with the reference normal line 103 is a second boundary line 105, a straight line on which the protection net 5 is located between the first boundary line 104 and the second boundary line 105, or a straight line on which the protection net 5 is located overlaps the first boundary line 104, or a straight line on which the protection net 5 is located overlaps the second boundary line 105.

According to the utility model discloses machine 100 in air conditioning, through making alpha satisfy: alpha is more than or equal to 15 degrees and less than or equal to 15 degrees, so that the wind resistance of the protective net 5 is minimum, the turbulence effect of the protective net 5 on the air outlet is effectively reduced, the air outlet volume is larger, the air outlet is smoother, the noise is reduced, the air supply uniformity of the air conditioner is improved, and the integral use comfort of a user is obviously improved.

Preferably, α satisfies: α is 8 ° ≦ α ≦ 8 °, for example α may be-8 °, -5 °, -3 °, -1 °, 0 °, 1 °, 2 °, 5 °, or 8 °. Alpha is more than or equal to 8 degrees and less than or equal to 8 degrees, so that the wind resistance of the protective net 5 is smaller, the turbulent flow effect of the protective net 5 on the air outlet is more effectively reduced, the air outlet amount is larger, the air outlet is smoother, and the noise is smaller.

Further preferably, α satisfies: α is 3 ° ≦ α ≦ 3 °, for example α may be-3 °, -1 °, 0 °, 1 °, 2 °, or 3 °, and the like. Alpha is more than or equal to 3 degrees and less than or equal to 3 degrees, so that the wind resistance of the protective net 5 is smaller, the turbulent flow effect of the protective net 5 on the air outlet is more effectively reduced, the air outlet amount is larger, the air outlet is smoother, and the noise is smaller.

In an embodiment of the present invention, the protection net 5 is detachably connected to the air duct 11, so that the protection net 5 can be easily disassembled and maintained in the indoor unit 100 of the air conditioner. Alternatively, the protection net 5 is connected with the wind tunnel 11 by a snap structure or by a screw fastener.

Of course, the present application is not limited thereto, and the protection net 5 may be integrally formed on the air duct 11 or connected to the air duct 11 by welding.

In an embodiment of the present invention, as shown in fig. 4, the indoor unit 100 of the air conditioner further includes a wind guide strip 4 and a louver 3, the wind guide strip 4 is rotatably installed at the air outlet 111, the louver 3 is rotatably installed in the air duct 11 and located between the wind wheel 2 and the wind guide strip 4, and the wind guide strip 4 and the louver 3 are both located at the downstream side of the protection net 5 in the flowing direction of the air flow. The louver 3 and the air guide strips 4 play a role in guiding the airflow. It can be understood that, under the drive of the wind wheel 2, the airflow can flow along the wind channel 11, when the airflow flows through the louver 3, the airflow can flow to the air outlet 111 under the guiding effect of the louver 3, when the airflow flows to the air outlet 111, the air guide strips 4 arranged at the air outlet 111 guide the flow of the airflow, when the airflow flows through the air guide strips 4, the airflow can be guided by the air guide strips 4 to blow air towards the preset direction, thereby better realizing the adjustment of the air blowing direction and the air blowing area.

In a cross section perpendicular to the rotation axis of the wind wheel 2, an extending direction of a line connecting both ends of the wind outlet 111 is a first direction, and a direction perpendicular to the first direction is a second direction, for example, in an example shown in fig. 1 and 4, the rotation axis of the wind wheel 2 extends in an up-down direction, the first direction is a left-right direction shown in fig. 4, and the second direction is a front-back direction shown in fig. 4.

When the louver 3 rotates to a position perpendicular to the rotation axis of the wind wheel 2, as shown in fig. 4, the distance between the wind wheel 2 and the end of the louver 3 away from the wind wheel 2 in the second direction is Le, and when the wind guide strip 4 rotates to a position perpendicular to the first direction, as shown in fig. 4, the distance between the rotation axis of the wind wheel 2 and the end of the wind guide strip 4 away from the wind wheel 2 in the second direction is Lf, wherein: le and the relationship between Le and Lf satisfies the following formula: le is more than or equal to 80mm and less than or equal to 100 mm; Le/Lf is more than or equal to 0.42 and less than or equal to 0.52. For example Le may be 80mm, 85mm, 88mm, 90mm, 92mm, 94mm, 98mm, 100mm, etc., and the ratio Le/Lf between Le and Lf may be 0.42, 0.43, 0.44, 0.45, 0.46, 0.48, 0.50, 0.52, etc.

During the long-term research, the applicant has surprisingly found that the length of Le and the ratio between Le and Lf directly affect the air guiding effect and the noise of the indoor unit 100 of the air conditioner. Through a large number of experiments and analyses, the applicant has derived: when Le and Lf satisfy the following relations: le is more than or equal to 80mm and less than or equal to 100 mm; when Le/Lf is greater than or equal to 0.42 and less than or equal to 0.52, the air-conditioning indoor unit 100 has good air guide effect and low noise. According to the utility model discloses indoor unit of air conditioner 100, through making Le and Lf between satisfy the relational expression: le is more than or equal to 80mm and less than or equal to 100 mm; Le/Lf is more than or equal to 0.42 and less than or equal to 0.52, so that the air duct 11 of the indoor unit 100 of the air conditioner has reasonable structural design, good air guide effect and low noise.

In some preferred embodiments of the present invention Le ≦ 88mm ≦ 98mm, e.g., Le may be 88mm, 90mm, 92mm, 94mm, or 98mm, etc. The Le is more than or equal to 88mm and less than or equal to 98mm, so that the air guide effect of the indoor unit 100 of the air conditioner is better and the noise is lower.

In some preferred embodiments of the present invention, 0.48 ≦ Le/Lf ≦ 0.52, e.g., the ratio Le/Lf between Le and Lf may be 0.48, 0.49, 0.50, 0.51, 0.52, or the like. By making Le/Lf be less than or equal to 0.52 and less than or equal to 0.48, the air-conditioning indoor unit 100 has better air-guiding effect and lower noise.

According to the utility model discloses a some embodiments, tripe 3 is provided with a plurality ofly, and a plurality of tripe 3 set up along the length direction interval of air outlet 111. It can be understood that the louvers 3 have a guiding effect on the airflow, and the plurality of louvers 3 are arranged at intervals in the length direction of the air outlet 111, so that the plurality of louvers 3 can jointly define the flowing direction of the airflow, thereby avoiding the occurrence of shunting of the airflow blown out from the air outlet 111, and further realizing the uniformity of the airflow flowing direction and the accuracy of the air supply of the indoor air conditioner 100.

Preferably, as shown in fig. 4, a plurality of air guide strips 4 are provided, and the plurality of air guide strips 4 are provided at intervals in the width direction of the air outlet 111. It can be understood that the air guide strips 4 have a guiding effect on the air flow, and the air guide strips 4 are arranged at intervals in the width direction of the air outlet 111, so that the air guide strips 4 can jointly limit the flow direction of the air flow, thereby avoiding the air flow blown out from the air outlet 111 from being shunted, and further realizing the uniformity of the air flow direction and the accuracy of the air supply of the indoor air conditioner 100.

In some embodiments of the present invention, as shown in fig. 4, the rotation axis of the wind guide strip 4 is perpendicular to the rotation axis of the louver 3. From this, can realize the regulation to the air current flow direction in two dimensions to can promote the air supply scope of air current, and then can be better satisfy the air supply demand of user to different directions, different region. For example, in some examples of the present invention, by rotating the wind guide strip 4, the airflow direction can be adjusted in the width direction of the wind outlet 111; by rotating the louver 3, the airflow direction can be adjusted in the length direction of the air outlet 111.

An air conditioner according to a second aspect of the present invention is described below.

According to the utility model discloses air conditioner, including above-mentioned air conditioning indoor set 100.

According to the utility model discloses the air conditioner is through setting up the basis the utility model discloses the air condensing units of above-mentioned first aspect embodiment for the air conditioner has the whole advantages that indoor set 100 of above-mentioned air conditioner has, and no longer redundant description here.

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", "inner", "outer", "axial", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other through additional features therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present 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 outlet channel is limited in the shell and is provided with an air outlet positioned on the shell;

the wind wheel is arranged in the air duct to drive airflow to flow to the air outlet;

the protective net is arranged in the air duct and is positioned on the downstream side of the wind wheel in the flowing direction of the airflow,

on a cross section perpendicular to the rotation axis of the wind wheel, an included angle alpha between the protective net and a reference normal line meets the following requirements: -15 ° or more and α or less and 15 ° or less, where a straight line of the protective net intersects with a wall surface of the air duct at a reference point, a tangent of the wall surface of the air duct passing through the reference point is a reference tangent, and the reference normal is a straight line perpendicular to the reference tangent.

2. An indoor unit of an air conditioner according to claim 1, wherein α satisfies: alpha is more than or equal to 8 degrees below zero.

3. An indoor unit of an air conditioner according to claim 1, wherein α satisfies: alpha is more than or equal to 3 degrees below zero and less than or equal to 3 degrees below zero.

4. An indoor unit of an air conditioner according to claim 1, wherein the protection net is detachably attached to the air duct.

5. An indoor unit of an air conditioner according to claim 1, further comprising:

the air guide strip is rotatably arranged at the air outlet;

the louver is rotatably arranged in the air duct and located between the wind wheel and the wind guide strips, and the wind guide strips and the louver are located on the downstream side of the protective net in the flowing direction of air flow.

6. An indoor unit of an air conditioner according to claim 5, wherein, in a cross section perpendicular to a rotation axis of the wind wheel, an extending direction of a line connecting both ends of the air outlet is a first direction, and a direction perpendicular to the first direction is a second direction,

when the louver rotates to a position vertical to the rotation axis of the wind wheel, the distance between the wind wheel and one end of the louver far away from the wind wheel is Le in the second direction,

when the wind guide strip rotates to a position vertical to the first direction, in the second direction, the distance between the rotation axis of the wind wheel and one end of the wind guide strip far away from the wind wheel is Lf,

wherein: the Le and the Lf satisfy the following relational expression:

80mm≤Le≤100mm；

0.42≤Le/Lf≤0.52。

7. an indoor unit of an air conditioner according to claim 5, wherein a plurality of the louver blades are provided, and the plurality of louver blades are provided at intervals along a longitudinal direction of the outlet.

8. An indoor unit of an air conditioner according to claim 5, wherein a plurality of the air guide strips are provided, and the plurality of air guide strips are provided at intervals in a width direction of the outlet.

9. An indoor unit of an air conditioner according to claim 5, wherein an axis of rotation of the air guide bar is perpendicular to an axis of rotation of the louver.

10. An air conditioner, comprising: the indoor unit of an air conditioner according to any one of claims 1 to 9.