CN111076290A - Air outlet duct structure suitable for air conditioner indoor unit and air conditioner - Google Patents

Abstract

The invention provides an air outlet duct structure suitable for an air conditioner indoor unit and an air conditioner, relates to the technical field of air conditioners, and solves the technical problem that the air quantity of an air outlet of a left air duct and an air outlet of a right air duct is difficult to control due to a structure for realizing the shunting of the left air duct and the right air duct through a shunting cone in the prior art. The air outlet duct structure suitable for the air conditioner indoor unit comprises a duct body and one centrifugal fan, wherein the duct body at least comprises a first duct, a second duct and a third duct which are independently arranged; the air ducts of the invention are directly communicated with the air outlet of the centrifugal fan, so that the problem that the air quantity of the air outlet of the air duct for exhausting air to the left and right directions is difficult to control is avoided.

Description

An air outlet duct structure suitable for an air conditioner inner unit and an air conditioner

technical field

The invention relates to the technical field of air conditioners, in particular to an air outlet air duct structure suitable for an air conditioner internal unit and an air conditioner.

Background technique

Among the existing air conditioner internal units, the upper and lower air outlet cabinet units can realize carpet heating, distributed cooling, and better comfort. However, the lower air outlet of the upper and lower air outlet cabinets discharges air from the middle of the cabinet, and people can be directly blown by the wind when the air is discharged, which makes the body feel uncomfortable and the appearance is not beautiful; the existing left and right air outlet cabinets with lower air outlets, Due to the design of multiple centrifugal fans, the assembly efficiency of the air conditioner is low, and the cost is high; at the same time, the air outlet from the cabinet is generally designed through an air outlet, and then divided into two air outlets by the diverter cone, so as to realize the left and right air outlet. This method leads to the loss of air volume when the air is divided by the diverter cone, and it is difficult to control the air volume of the left and right air outlets uniformly.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an air outlet duct structure and an air conditioner suitable for an air conditioner, so as to solve the problem that the structure in the prior art that the left and right air ducts are divided by the diverter cone makes it difficult to control the air volume of the left and right air ducts. technical issues.

For achieving the above object, the invention provides the following technical solutions:

The invention provides an air outlet air duct structure suitable for an indoor unit of an air conditioner, comprising an air duct body and a centrifugal fan, the number of the centrifugal fans is one, and the air duct body at least includes an independently set first air duct, The second air duct and the third air duct; of which,

The air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are arranged in communication with the air outlet of the centrifugal fan;

The air outlet of the first air duct exhausts air upward, and the air outlet of the second air duct and the air outlet of the third air duct respectively exhaust air from both sides of the air conditioner internal unit facing the left and right directions.

Optionally, the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are of a volute tongue structure.

Optionally, the air outlet of the centrifugal fan is arranged along the circumference of the outer edge of the wind wheel installed in the centrifugal fan, so that the air outlet can discharge air 360° along the outer edge of the wind wheel.

Optionally, the circumferential length of the connection between the air inlet of the second air duct and the air outlet of the centrifugal fan is b, and the length of the circumference of the connection between the air inlet of the third air duct and the air outlet of the centrifugal fan is b. c, then b=c.

Optionally, the circumferential length of the connection between the air inlet of the first air duct and the air outlet of the centrifugal fan is a, then a>b or c.

Optionally, the ratio of a, b and c is 2:1:1.

Optionally, the cross-sectional area of the air outlet of the second air duct is e, and the cross-sectional area of the air outlet of the third air duct is f, then e=f.

Optionally, the cross-sectional area of the air outlet of the first air duct is d, then d>e or f.

Optionally, the ratio of d, e and f is 4:1:1.

Optionally, the corners of the first air duct, the second air duct and the third air duct are arranged in a smooth transition.

An air conditioner includes the above-mentioned air outlet air duct structure suitable for an air conditioner internal unit.

The invention provides an air outlet air duct structure suitable for an indoor unit of an air conditioner, comprising an air duct body and a centrifugal fan, the number of the centrifugal fans is one, and the air duct body at least includes an independently set first air duct, The second air duct and the third air duct; the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are arranged in communication with the air outlet of the centrifugal fan ; The air outlet of the first air duct exhausts the air upward, and the air outlet of the second air duct and the air outlet of the third air duct respectively face the left and right directions from both sides of the air conditioner internal unit. The air ducts are directly connected with the air outlet of the centrifugal fan, which avoids the problem that the air volume of the air duct outlet that exhausts air in the left and right directions is difficult to control.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a front view of an air outlet duct structure suitable for an air conditioner interior unit according to the present invention;

Fig. 2 is the schematic diagram of the air outlet flow direction of the air duct;

3 is a side view of an air outlet air duct structure suitable for an indoor unit of an air conditioner.

In the figure 1, the air duct body; 2, the centrifugal fan; 3, the heat exchanger; 4, the first air duct; 5, the second air duct; 6, the third air duct; 7, the volute tongue structure.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The present invention provides an air outlet air duct structure suitable for an indoor unit of an air conditioner. As shown in Figures 1 and 2, it includes an air duct body 1 and a centrifugal fan 2. The centrifugal fan 2 is installed in the middle of the air duct body 1, as shown in the figure As shown in 3, a heat exchanger 3 is installed at the part of the air duct body 1 immediately adjacent to the centrifugal fan 2, and the rotation of the centrifugal fan 2 can make the air enter the air duct body 1 from the air duct body 1 through the heat exchanger 3 to realize exhaust air. ; The number of the centrifugal fans 2 is one, and the air duct body 1 includes at least an independently set first air duct 4, a second air duct 5 and a third air duct 6. The inlet of the first air duct 4 The air outlet, the air inlet of the second air duct 5 and the air inlet of the third air duct 6 are arranged in communication with the air outlet of the centrifugal fan 2, so that the first air duct 4, the second air duct 5 and the The third air duct 6 independently transports air from the centrifugal fan 2, and the air volume of the air outlets of multiple air ducts is difficult to control;

The air outlet of the first air duct 4 exhausts the air upward, and the air outlet of the second air duct 5 and the air outlet of the third air duct 6 respectively face the left and right directions from both sides of the air conditioner internal unit to exhaust air. The air outlet of the air conditioner is prevented from blowing directly to consumers, achieving no wind feeling, and at the same time, the structure can make cold air blow out from the upper air outlet, realize distributed cooling, and can make hot air blow out from the lower air outlet, realize carpet heating, and give people Bring a comfortable air-conditioning experience;

At the same time, the present invention uses one centrifugal fan 2, which increases the assembly efficiency of the air conditioner and reduces the cost.

As an optional embodiment, the air inlet of the first air duct 4 , the air inlet of the second air duct 5 and the air inlet of the third air duct 6 are the volute tongue structure 7 .

The air inlet of the first air duct 4, the air inlet of the second air duct 5 and the air inlet of the third air duct 6 of the present invention are the volute tongue structure 7, and the third air duct 6 in FIG. Take the volute tongue as an example. The air inlet of the volute tongue goes from the small end A to the big end B. During the flow of the wind, the cross-sectional area of the passage gradually decreases to achieve the supercharging effect on the wind. The discharge of the supercharged air can increase the refrigeration of the air conditioner. Heating efficiency.

As an optional implementation manner, the air outlet of the centrifugal fan 2 is arranged along the circumference of the outer edge of the fan wheel installed in the centrifugal fan 2, so that the air outlet can discharge air along the outer edge of the fan wheel 360°, Maximizing the utilization of the centrifugal fan 2 can fully realize the function of the centrifugal fan 2 , thereby reducing the number of centrifugal fans 2 used and the cost.

As an optional embodiment, the circumferential length of the connection between the air inlet of the second air duct 5 and the air outlet of the centrifugal fan 2 is b, and the air inlet of the third air duct 6 and the air exhaust of the centrifugal fan 2 are b. The length of the circumference of the mouth connection is c, then b=c.

The above-mentioned features of the present invention make the air inlet area of the second air duct 5 and the third air duct 6 that exhaust air to the left and right are the same, so that the air volume of the left and right air can be the same, and the second air duct 5 and the third air duct 6 When the air is out, the indoor heating is evenly distributed, and the carpet heating is realized.

As an optional implementation manner, the circumferential length of the connection between the air inlet of the first air duct 4 and the air outlet of the centrifugal fan 2 is a, then a>b or c.

The above features of the present invention make the area of the air inlet of the first air duct 4 larger than the area of the air inlet of the second air duct 5 or the third air duct 6 , so that the air volume of the first air duct 4 is maximized.

As an alternative embodiment, the ratio of a, b and c is 2:1:1.

The above features of the present invention can make the air outlet volume of the first air duct 4 equal to the sum of the air outlet volumes of the second air duct 5 and the third air duct 6 .

As an optional implementation manner, the cross-sectional area of the air outlet of the second air duct 5 is e, and the cross-sectional area of the air outlet of the third air duct 6 is f, then e=f.

The present invention ensures that the cross-sectional areas of the air outlets of the second air duct 5 and the third air duct 6 that discharge air to the left and right are the same, so that the space can be heated evenly.

As an optional embodiment, the cross-sectional area of the air outlet of the first air duct 4 is d, then d>e or f.

As an alternative embodiment, the ratio of d, e and f is 4:1:1.

In the present invention, the ratio of d, e and f is 4:1:1, which is beneficial to realize distributed refrigeration.

As an optional implementation manner, the corners of the first air duct 4 , the second air duct 5 and the third air duct 6 are arranged in a smooth transition.

The corners of the first air duct 4 , the second air duct 5 and the third air duct 6 of the present invention are arranged in a smooth transition, which can reduce the loss of air volume.

An air conditioner includes the above-mentioned air outlet air duct structure suitable for an air conditioner internal unit.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (11)

1. The utility model provides an air-out wind channel structure suitable for air conditioner internal unit, includes wind channel body and centrifugal fan, its characterized in that: the number of the centrifugal fans is one, and the air duct body at least comprises a first air duct, a second air duct and a third air duct which are independently arranged; wherein,

the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are communicated with the air outlet of the centrifugal fan;

the air outlet of the first air duct exhausts air upwards, and the air outlet of the second air duct and the air outlet of the third air duct exhaust air from the two side faces of the air conditioner indoor unit in the left-right direction respectively.

2. An air outlet duct structure suitable for an indoor unit of an air conditioner as claimed in claim 1, wherein: the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are of volute tongue structures.

3. An air outlet duct structure suitable for an air conditioner indoor unit according to claim 1 or 2, characterized in that: the air outlet of the centrifugal fan is arranged along the circumference of the outer edge of the wind wheel in the centrifugal fan, so that the air outlet can be discharged 360 degrees along the outer edge of the wind wheel.

4. An air outlet duct structure suitable for an indoor unit of an air conditioner as claimed in claim 3, wherein: the second wind channel air inlet with the circumference length of centrifugal fan air exit junction is b, the third wind channel air inlet with the circumference length of centrifugal fan air exit junction is c, then b equals c.

5. An air outlet duct structure suitable for an indoor unit of an air conditioner according to claim 4, wherein: and the circumferential length of the joint of the first air duct air inlet and the centrifugal fan air outlet is a, and a is greater than b or c.

6. An air outlet duct structure suitable for an indoor unit of an air conditioner according to claim 5, wherein: a. the ratio of b to c is 2: 1: 1.

7. an air outlet duct structure suitable for an air conditioner indoor unit according to claim 1 or 2, characterized in that: the sectional area of the air outlet of the second air duct is e, the sectional area of the air outlet of the third air duct is f, and then e is f.

8. An air outlet duct structure suitable for an internal unit of an air conditioner as claimed in claim 7, wherein: and the sectional area of the air outlet of the first air duct is d, and d is greater than e or f.

9. An air outlet duct structure suitable for an indoor unit of an air conditioner according to claim 8, wherein: d. the ratio of e to f is 4: 1: 1.

10. an air outlet duct structure suitable for an indoor unit of an air conditioner as claimed in claim 1, wherein: corners of the first air duct, the second air duct and the third air duct are arranged in a smooth transition mode.

11. An air conditioner, characterized in that: the air outlet duct structure suitable for the air conditioner internal unit comprises the air outlet duct structure suitable for the air conditioner internal unit as claimed in any one of claims 1 to 10.

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