CN114754417A

CN114754417A - Air outlet mechanism and air conditioner with same

Info

Publication number: CN114754417A
Application number: CN202210542484.7A
Authority: CN
Inventors: 王于曹; 骆妍; 钟万权; 罗文君; 高玉平; 丘晓宏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-07-15

Abstract

The invention provides an air outlet mechanism and an air conditioner with the same. Air-out mechanism includes: the volute is provided with an air inlet, an air channel and at least two air outlets; the fan is arranged in the volute; the air guide components are arranged corresponding to the air outlets, and each air guide component is arranged at the corresponding air outlet; the flow dividing structure is rotatably arranged in the volute and is provided with a bilateral air outlet position and a unilateral air outlet position, and a preset included angle A is formed between the flow dividing structure and the reference surface S; the at least two air outlets are respectively positioned on two sides of the reference surface S; when the shunting structure is located at the bilateral air outlet position, the shunting structure is located on the right side of the reference surface S, and the preset included angle A is larger than or equal to 15 degrees and smaller than 30 degrees; when the shunting structure is in the unilateral air-out position, the preset included angle A is greater than or equal to 30 degrees and is less than 60 degrees. The invention solves the problems of high processing cost, low assembly efficiency and complex structure of the air conditioning device with double air ducts and double cross-flow fans in the prior art.

Description

Air outlet mechanism and air conditioner with same

Technical Field

The invention relates to the technical field of air conditioning devices, in particular to an air outlet mechanism and an air conditioning device with the same.

Background

At present, the air outlet of an air duct of a traditional air conditioning device is single, and the problems of direct blowing of cold air to users, narrow air supply range and the like exist. In the prior art, in order to solve the problems, a double-air-duct double-crossflow fan is used for air outlet.

However, although the air outlet mode improves the use experience of the user, the processing cost of the air conditioning device is increased by using the two cross-flow fans and the two air ducts for air outlet, the difficulty in dismounting the air conditioning device by workers is also increased, and the labor intensity of the workers is increased.

Disclosure of Invention

The invention mainly aims to provide an air outlet mechanism and an air conditioner with the same, and aims to solve the problems of high processing cost, low assembly efficiency and complex structure of a double-air-duct and double-cross-flow fan air conditioner in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided an air outlet mechanism including: the volute is provided with an air inlet, an air channel and at least two air outlets, and the air inlet is communicated with the at least two air outlets through the air channel; the fan is rotatably arranged in the volute; the air guide components are arranged at the air outlets corresponding to the air guide components and used for controlling the air output or the air output speed of the air outlets; the flow dividing structure is rotatably arranged in the volute and provided with a bilateral air outlet position and a unilateral air outlet position, a preset included angle A is formed between the flow dividing structure and a reference surface S, and the reference surface S is formed by the rotating axis of the flow dividing structure and the rotating axis of the fan; the at least two air outlets are respectively positioned on two sides of the reference surface S; when the shunting structure is located at the bilateral air outlet position, the shunting structure is located on the right side of the reference surface S, and the preset included angle A is larger than or equal to 15 degrees and smaller than 30 degrees; when the shunting structure is in the unilateral air-out position, the preset included angle A is greater than or equal to 30 degrees and is less than 60 degrees.

Further, the at least two air outlets comprise a left air outlet and a right air outlet, the single-side air outlet position comprises a left air outlet position and a right air outlet position, when the flow dividing structure is located at the left air outlet position, the flow dividing structure is located on the right side of the reference surface S, and the preset included angle A is larger than or equal to 30 degrees and smaller than or equal to 60 degrees; when the shunting structure is in the right side air-out position, the shunting structure is located the left side of reference surface S, predetermines contained angle A more than or equal to 30 and less than or equal to 45.

Further, the flow dividing structure is provided with a first surface and a second surface which are arranged oppositely, and when the flow dividing structure is located at the left air outlet position, the flow dividing structure rotates until the first surface is arranged towards the reference surface S; when the reposition of redundant personnel structure was in right side air-out position, the reposition of redundant personnel structure rotated to the second surface and set up towards reference surface S.

Further, the shunting structure is a flat plate or an arc-shaped plate.

Further, the fan is a cross-flow fan, and the outer diameter D of the cross-flow fan and the number ny of the blades meet the following conditions: ny ═ a + (D-110) × b/10; a is more than or equal to 34 and less than or equal to 36, and b is more than or equal to 3 and less than or equal to 5.

Further, the fan is a cross-flow fan, and a volute tongue position angle theta of the volute and the outer diameter D of the cross-flow fan meet the following requirements: θ is 35-c (D-110)/10; c is more than or equal to 2 and less than or equal to 5; a first line segment L1 is formed by a circle center P3 of the cross-flow fan and a volute tongue fillet tangent point P7, a shortest line segment L is arranged between the circle center P3 of the cross-flow fan and a volute tongue molded line, and a volute tongue position angle theta is formed between the first line segment L1 and the shortest line segment L.

Further, the volute comprises: the volute body is provided with an air inlet; the first air outlet pipe body is communicated with the volute body, and one end of the first air outlet pipe body, which is far away from the volute body, is a left air outlet; the second air outlet pipe body is communicated with the volute body, and one end of the second air outlet pipe body, which is far away from the volute body, is a right air outlet; wherein, satisfy between minimum width w2 of minimum width w1 of first air-out body and second air-out body: w2/w1 is more than or equal to 1 and less than or equal to 2.

Further, satisfy between minimum width w1 of first air-out body and the minimum width w2 of second air-out body: w2/w1 ═ 1+ D (D-110)/10; d is more than or equal to 0.2 and less than or equal to 0.5.

Further, the fan is a cross-flow fan, a shortest distance L3 is arranged between a vertex P4 of the flow dividing structure and a circle center P3 of the cross-flow fan, and the shortest distance L3 meets the following requirements: l3 is more than or equal to 2R and less than or equal to 3R, and R is the radius of the cross-flow fan.

Furthermore, the first air outlet pipe body is provided with an air duct upper molded line, a tangent point P5 is arranged between the air duct upper molded line and the volute tongue fillet, and an over-tangent point P5 is used as a volute tongue fillet tangent line c; and (3) making a volute profile tangent line d from the volute profile endpoint P2, wherein an included angle formed between a volute tongue fillet tangent line c and the volute profile tangent line d is an air duct diffusion angle beta which is larger than or equal to 13 degrees and smaller than or equal to 20 degrees.

Further, a second line segment L4 is formed between the tangent point P5 and the left air outlet end point P6, and the second line segment L4 satisfies: l4 ═ 105+ e (D-110)/10; e is more than or equal to 6 and less than or equal to 15.

Further, the air guide assembly includes: a wind sweeping blade; and the air deflector is positioned at the downstream of the wind sweeping blade.

According to another aspect of the present invention, an air conditioning apparatus is provided, which includes a heat exchanger, a housing, and an air outlet mechanism, wherein the heat exchanger and the air outlet mechanism are both disposed in the housing; wherein, the air outlet mechanism is the air outlet mechanism.

By applying the technical scheme of the invention, the air outlet mechanism is provided with the air duct, the fan and the at least two air outlets, so that the air outlet mode of single air duct and double air outlets is realized. In this way, in the operation process of the air conditioning device, the air output quantity or the air output speed of the air outlets is controlled through the air guide assembly, the air supply distance of the air output mechanism is adjusted through adjusting the air output position of the shunting structure, namely, multiple air output modes are realized by using one air duct and one fan, and when the shunting structure is positioned at the double-side air output position, at least two air outlets positioned at two sides of the reference surface S can be used for outputting air to realize double-side air output; when the shunting structure is in the unilateral air-out position, lie in with at least one air outlet of one side and be used for the air-out, realize the unilateral air-out. Compared with a double-air-channel double-cross-flow fan in the prior art, the air outlet mechanism reduces the number of air channels and fans, further solves the problems of high processing cost, low assembly efficiency and complex structure of the air conditioning device with double air channels and double cross-flow fans in the prior art, and reduces the processing cost of the air conditioning device. Meanwhile, different air outlet requirements of users can be met by multiple air outlet modes of the air conditioning device, and the use experience of the users is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view illustrating a flow dividing structure of an air outlet mechanism according to an embodiment of the present invention in a double-side air outlet position;

fig. 2 is an enlarged schematic view of a portion B of the air outlet mechanism in fig. 1;

fig. 3 is a schematic structural view illustrating the flow dividing structure of the air outlet mechanism in fig. 1 in a right air outlet position;

fig. 4 is a schematic structural diagram illustrating the flow dividing structure of the air outlet mechanism in fig. 1 in a left air outlet position;

fig. 5 shows a schematic structural diagram of the flow dividing structure of the air outlet mechanism in fig. 1.

Wherein the figures include the following reference numerals:

10. a volute; 11. an air duct; 12. an air outlet; 121. a left air outlet; 122. a right air outlet; 13. a volute tongue profile; 14. a volute body; 15. a first air outlet pipe body; 16. a second air outlet pipe body; 20. a fan; 30. an air guide assembly; 31. a wind sweeping blade; 32. an air deflector; 40. a flow splitting structure; 41. a first surface; 42. a second surface; 50. a heat exchanger; 60. a housing; 70. an electric auxiliary heating device.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problems of high processing cost, low assembly efficiency and complex structure of a double-air-duct and double-cross-flow fan air conditioning device in the prior art, the application provides an air outlet mechanism and an air conditioning device with the same.

As shown in fig. 1-5, the air outlet mechanism includes a volute 10, a fan 20, at least two air guiding assemblies 30, and a flow dividing structure 40. The volute 10 has an air inlet, an air duct 11 and at least two air outlets 12, and the air inlet is communicated with the at least two air outlets 12 through the air duct 11. The fan 20 is rotatably disposed within the volute 10. The at least two air guiding assemblies 30 are disposed corresponding to the at least two air outlets 12 one to one, and each air guiding assembly 30 is disposed at the corresponding air outlet 12 to control the air output or the air output speed of the air outlet 12. The flow dividing structure 40 is rotatably arranged in the volute 10, the flow dividing structure 40 has a double-side air outlet position and a single-side air outlet position, a preset included angle A is formed between the flow dividing structure 40 and the reference surface S, and the reference surface S is formed by the rotation axis of the flow dividing structure 40 and the rotation axis of the fan 20. The at least two air outlets 12 are respectively located at two sides of the reference plane S. When the flow dividing structure 40 is located at the two-side air outlet position, the flow dividing structure 40 is located on the right side of the reference plane S, and the preset included angle a is greater than or equal to 15 ° and smaller than 30 °. When the shunting structure 40 is located at the unilateral air outlet position, the preset included angle a is greater than or equal to 30 degrees and smaller than 60 degrees.

By using the technical scheme of the embodiment, the air outlet mechanism is provided with the air duct 11, the fan 20 and the at least two air outlets 12, so that the air outlet mode of a single air duct and double air outlets is realized. In this way, in the operation process of the air conditioning device, the air output or the air output speed of the air outlets 12 is controlled by the air guide assembly 30, and the air supply distance of the air output mechanism is adjusted by adjusting the air output position of the flow dividing structure 40, namely, a plurality of air output modes are realized by using one air duct 11 and one fan 20, when the flow dividing structure 40 is at the double-side air output position, at least two air outlets 12 at two sides of the reference surface S can be used for outputting air, so that double-side air output is realized; when the shunting structure is in the unilateral air-out position, at least one air outlet 12 that is located same side is used for the air-out, realizes the unilateral air-out. Compared with a double-air-channel double-cross-flow fan in the prior art, the air outlet mechanism in the embodiment reduces the number of air channels and fans, further solves the problems of high processing cost, low assembly efficiency and complex structure of the air conditioning device with double air channels and double cross-flow fans in the prior art, and reduces the processing cost of the air conditioning device. Meanwhile, different air outlet requirements of users can be met by multiple air outlet modes of the air conditioning device, and the use experience of the users is improved.

In this embodiment, compact structure, the air-out of air-out mechanism are efficient, the travelling comfort is high, and then resources are saved and the energy has improved user's travelling comfort.

In this embodiment, there are two air outlets 12, there are two air guiding assemblies 30, the two air guiding assemblies 30 are disposed in one-to-one correspondence with the two air outlets 12, and each air guiding assembly 30 is disposed at the corresponding air outlet 12 for controlling the air output or the air output speed of the air outlet 12. Specifically, when the flow dividing structure 40 is located at the double-side air outlet position, the two air outlets 12 simultaneously outlet air; when the flow dividing structure 40 is at the single-side air outlet position, one of the air outlets 12 discharges air.

Optionally, the at least two air outlets 12 include a left air outlet 121 and a right air outlet 122, the single-side air outlet position includes a left air outlet position and a right air outlet position, when the flow dividing structure 40 is located at the left air outlet position, the flow dividing structure 40 is located at the right side of the reference plane S, and the preset included angle a is greater than or equal to 30 ° and less than or equal to 60 °. When the shunting structure 40 is located at the right air outlet position, the shunting structure 40 is located on the left side of the reference surface S, and the preset included angle a is greater than or equal to 30 degrees and less than or equal to 45 degrees. Like this, the in-process that air-out mechanism carries out the air-out, the above-mentioned setting of reposition of redundant personnel structure 40 has increased the air supply distance of following the air current of air outlet 12 exhaust to promote user's travelling comfort.

In this embodiment, when reposition of redundant personnel structure 40 was in left side air-out position, predetermine contained angle a and be 45, air guide component 30 that sets up in right side air outlet 122 is in the closed condition to shunt, the water conservancy diversion is carried out to the air current that gets into in the wind channel 11 through reposition of redundant personnel structure 40, not only ensures that the air current only can follow left side air outlet 121 air-out, has also increased the air supply distance of air-out mechanism, has promoted user's use travelling comfort.

It should be noted that, when shunting structure 40 was in left side air-out position, the value of predetermineeing contained angle a was not limited to this, can adjust according to operating mode and user demand. Optionally, when the flow dividing structure 40 is located at the left air outlet position, the preset included angle a is 40 °, or 50 °, or 55 °.

In this embodiment, when reposition of redundant personnel structure 40 is in right side air-out position, predetermine contained angle a and be 35, the air guide component 30 that sets up in left side air outlet 121 is in the closed condition to through reposition of redundant personnel structure 40 to the air current that gets into in the wind channel 11 shunt, the water conservancy diversion, not only ensure that the air current only can follow right side air outlet 122 air-out, also increased air supply distance of air-out mechanism, promoted user's use travelling comfort.

In this embodiment, when reposition of redundant personnel structure 40 was in two side air-out positions, predetermine contained angle a and be 20, two air guide component 30 all are in the open mode to through reposition of redundant personnel structure 40 the air current that gets into in the wind channel 11 shunt, the water conservancy diversion, not only ensure that the air current can follow left side air outlet 121 and the equal air-out of right side air outlet 122, also increased air-out mechanism's air supply distance, promoted user's use travelling comfort.

As shown in fig. 5, the flow dividing structure 40 has a first surface 41 and a second surface 42 which are oppositely disposed, and when the flow dividing structure 40 is at the left air outlet position, the flow dividing structure 40 rotates until the first surface 41 is disposed toward the reference plane S. When the flow dividing structure 40 is located at the right air outlet position, the flow dividing structure 40 rotates to the second surface 42 and is disposed toward the reference plane S. Thus, when the flow dividing structure 40 is located at the left air outlet position, the arrangement ensures that the flow dividing structure 40 is located at a position close to the right air outlet 122, so as to realize air outlet of the left air outlet 121; when shunting structure 40 was in right side air-out position, the aforesaid set up and ensure that shunting structure is located the position department that is close to left side air outlet 121 to realize the air-out of right side air outlet 122, and then promoted shunting structure 40's reposition of redundant personnel reliability.

Optionally, the flow dividing structure 40 is a flat plate or an arc-shaped plate. Like this, above-mentioned setting makes the structure of reposition of redundant personnel structure 40 simpler, and easy processing, realization have reduced the processing cost and the processing degree of difficulty of reposition of redundant personnel structure 40.

In this embodiment, the shunting structure 40 is a flat plate, and two plate surfaces of the flat plate are a first surface 41 and a second surface 42, respectively.

Optionally, the fan 20 is a cross-flow fan, and an outer diameter D of the cross-flow fan and a number ny of blades satisfy: ny ═ a + (D-110) × b/10; a is more than or equal to 34 and less than or equal to 36, and b is more than or equal to 3 and less than or equal to 5. Like this, under the same noise, above-mentioned setting makes and guarantees the air quantity not attenuate under the prerequisite that reduces the energy consumption, has further promoted the air-out efficiency of air-out mechanism. Wherein the outer diameter D is larger than 110 mm.

Specifically, the radiation sound power of the crossflow blower is W_d∝ρ²V³D²M³/ρ₀(equation 1) where V is the gas velocity, D is the orifice diameter, M is the Mach number, ρ and ρ₀Airflow density and ambient density, respectively. As can be seen from formula 1, the radiation sound power of the crossflow blower is the sixth power of the airflow velocityProportional to the square of the fan size. On the premise of meeting the pressure and flow, the fan with larger diameter and smaller flow speed is selected as far as possible.

Specifically, every time the outer diameter D of the cross-flow fan is increased by 10mm, 3-5 blades can be added to the blade, so that the air quantity is not attenuated on the premise of reducing the energy consumption.

Optionally, the length of the fan 20 is in the range of 900-950 mm, the outer diameter D of the fan is in the range of 110-115 mm, and the number of blades of the fan is in the range of 34-36.

Specifically, the cross-flow fan with the outer diameter D of 110mm and the number of blades of 34 was used as the first fan, the cross-flow fan with the outer diameter D of 122mm and the number of blades of 34 was used as the second fan, and the cross-flow fan with the outer diameter D of 122mm and the number of blades of 39 was used as the third fan, and the experimental results are shown in table 1.

Table 1 comparison table of experimental results of three fans

Fan blade type	Air volume (m)³/h)	Noise (dB)	Rotating speed (r/min)
				First fan blade	1218	47.2	1030
Second fan blade	1198	47.2	950
				Third fan blade	1290	47.4	950

As can be seen from the above table, the first fan blade is compared with the second fan blade: when the blades are the same, the outer diameter D is increased, and the rotating speed is obviously reduced but the air volume is obviously reduced under the same noise; the second fan blade compares with the third fan blade: the outer diameter D is the same, the number of blades is increased, the rotating speed is the same, the noise is consistent, and the air volume is obviously increased.

Optionally, the fan 20 is a cross-flow fan, and a volute tongue position angle θ of the volute 10 and an outer diameter D of the cross-flow fan satisfy: θ is 35-c (D-110)/10; c is more than or equal to 2 and less than or equal to 5. A first line segment L1 is formed by a circle center P3 of the cross-flow fan and a volute tongue fillet tangent point P7, a shortest line segment L is arranged between the circle center P3 of the cross-flow fan and the volute tongue molded line 13, and a volute tongue position angle theta is formed between the first line segment L1 and the shortest line segment L. Like this, above-mentioned setting makes air-out mechanism's air output and noise gain the equilibrium, and then has promoted user's use and has experienced.

Optionally, the volute tongue position angle θ is within a range of 27 degrees to 35 degrees, and when the outer diameter D of the fan blade is increased by 10mm, the volute tongue position angle θ is correspondingly decreased by 2 degrees to 5 degrees.

Specifically, the cross-flow fan with the outer diameter D of 110mm and the volute tongue position angle θ of 35 ° was used as the fourth fan, the cross-flow fan with the outer diameter D of 122mm and the volute tongue position angle θ of 35 ° was used as the fifth fan, and the cross-flow fan with the outer diameter D of 122mm and the volute tongue position angle θ of 30 ° was used as the sixth fan, and the experimental results are shown in table 2.

TABLE 2 comparison table of experimental results of three fans

Types of	Air volume (m)³/h)	Noise (dB)	Rotating speed (r/min)
				Fourth fan	1056	43	910
Fifth fan	1059	43.6	890
				Sixth fan	1058	42.5	880

As can be seen from the above table, the fourth fan is compared with the fifth fan: when the volute tongue position angle theta is the same, the outer diameter D is increased, and when the air quantity is the same, the rotating speed is reduced, but the noise is obviously increased; the fifth fan compares with the sixth fan: the outer diameter D is the same, the volute tongue position angle theta is reduced, and when the air quantity is the same, the noise is obviously reduced when the rotating speed is the same.

As shown in fig. 1 and 4, the volute 10 includes a volute body 14, a first outlet duct 15 and a second outlet duct 16. The volute body 14 has an air inlet. The first air outlet pipe 15 is communicated with the volute body 14, and one end of the first air outlet pipe 15, which is far away from the volute body 14, is a left air outlet 121. The second air outlet pipe 16 is communicated with the scroll casing body 14, and one end of the second air outlet pipe 16 away from the scroll casing body 14 is a right air outlet 122. Wherein, satisfy between minimum width w1 of first air-out body 15 and the minimum width w2 of second air-out body 16: w2/w1 is more than or equal to 1 and less than or equal to 2. Like this, the air output of left side air outlet 121 and right side air outlet 122 is close and the air supply distance is equal for above-mentioned setting, and then has promoted the air-out efficiency of air-out mechanism.

Optionally, the minimum width w1 of the first air outlet duct 15 and the minimum width w2 of the second air outlet duct 16 satisfy: w2/w1 ═ 1+ D (D-110)/10; d is more than or equal to 0.2 and less than or equal to 0.5. Therefore, when the outer diameter D of the fan blade is increased by 10mm, the corresponding increase range of the value of w2/w1 is 0.2-0.5.

Optionally, the fan 20 is a cross-flow fan, a shortest distance L3 is provided between an apex P4 of the flow dividing structure 40 and a circle center P3 of the cross-flow fan, and the shortest distance L3 satisfies: l3 is more than or equal to 2R and less than or equal to 3R, and R is the radius of the cross-flow fan. Like this, above-mentioned setting ensures that air supply mechanism's air supply distance, noise, left side air outlet 121 and right side air outlet 122's air output reach the equilibrium, has further promoted air-out efficiency of air-out mechanism.

Optionally, the first air outlet pipe body 15 has an air duct upper molded line, a tangent point P5 is provided between the air duct upper molded line and the volute tongue fillet, and an over-tangent point P5 is used as a volute tongue fillet tangent line c; and (3) making a volute profile tangent line d from the volute profile endpoint P2, wherein an included angle formed between a volute tongue fillet tangent line c and the volute profile tangent line d is an air duct diffusion angle beta which is larger than or equal to 13 degrees and smaller than or equal to 20 degrees. Like this, the air supply distance of air-out mechanism has been guaranteed in above-mentioned setting, and then has promoted user's use and experienced.

Optionally, a second line L4 is formed between the tangent point P5 and the left outlet end point P6, and the second line L4 satisfies: l4 ═ 105+ e (D-110)/10; e is more than or equal to 6 and less than or equal to 15. Like this, the air supply distance of air-out mechanism has been guaranteed in above-mentioned setting, and then has promoted user's use and experienced.

Optionally, the value range of the second line segment L4 is 50-145 mm, and when the outer diameter D of the fan blade increases by 10mm, the corresponding increase range of the second line segment L4 is 6-15 mm.

Specifically, the cross-flow fan with the outer diameter D of 110mm and the second line segment L4 of 105mm was used as the seventh fan, the cross-flow fan with the outer diameter D of 122mm and the second line segment L4 of 105mm was used as the eighth fan, and the cross-flow fan with the outer diameter D of 122mm and the second line segment L4 of 115mm was used as the ninth fan, and the experimental results are shown in table 3.

Table 3 comparison table of experimental results of three fans

Type (B)	Distance of air supply (m)	Noise (dB)	Rotating speed (r/min)
				Seventh fan	4.5	47.2	1030
Eighth fan	3.9	47.2	950
				Ninth fan	4.8	47.3	950

As can be seen from the above table, the seventh fan is compared with the eighth fan: when the second line segment L4 is the same, the outer diameter D is increased, the rotating speed is obviously reduced under the same noise, but the air supply distance is obviously reduced; the eighth fan compares with the ninth fan: the outer diameter D is the same, the second line segment L4 is increased, the rotating speed is the same, the noise is consistent, and the air supply distance is obvious.

As shown in fig. 1 to 4, the air guide assembly 30 includes a wind-sweeping blade 31 and an air guide plate 32. The air deflector 32 is located downstream of the wind sweeping blade 31. Therefore, when the air outlet 12 is required to discharge air, the air deflector 32 is operated to rotate the air deflector 32 to avoid the air outlet 12, and the air discharge of the air outlet 12 can be adjusted by adjusting the rotation angle of the air deflector 32; when the air outlet 12 is not needed to vent air, the air deflector 32 is operated to rotate to close the air outlet 12.

As shown in fig. 1, fig. 3 and fig. 4, the present application further provides an air conditioning apparatus, which includes a heat exchanger 50, a housing 60 and an air outlet mechanism, wherein the heat exchanger 50 and the air outlet mechanism are both disposed in the housing 60. Wherein, air-out mechanism is foretell air-out mechanism.

As shown in fig. 1, 3 and 4, the air conditioning apparatus further includes an electric auxiliary heating device 70, and the electric auxiliary heating device 70 is disposed in the casing 60.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the air outlet mechanism is provided with an air duct, a fan and at least two air outlets, so that an air outlet mode with a single air duct and two air outlets is realized. In this way, in the operation process of the air conditioning device, the air output quantity or the air output speed of the air outlets is controlled through the air guide assembly, the air supply distance of the air output mechanism is adjusted through adjusting the air output position of the shunting structure, namely, multiple air output modes are realized by using one air duct and one fan, and when the shunting structure is positioned at the double-side air output position, at least two air outlets positioned at two sides of the reference surface S can be used for outputting air to realize double-side air output; when the shunting structure is in the unilateral air-out position, lie in with at least one air outlet of one side and be used for the air-out, realize the unilateral air-out. Compared with a double-air-channel double-cross-flow fan in the prior art, the air outlet mechanism reduces the number of air channels and fans, further solves the problems of high processing cost, low assembly efficiency and complex structure of double-air-channel and double-cross-flow fan air conditioning devices in the prior art, and reduces the processing cost of the air conditioning devices. Meanwhile, different air outlet requirements of users can be met by multiple air outlet modes of the air conditioning device, and the use experience of the users is improved.

It is to be understood that the above-described embodiments are only a few, and not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an air-out mechanism which characterized in that includes:

the volute (10) is provided with an air inlet, an air duct (11) and at least two air outlets (12), and the air inlet is communicated with the at least two air outlets (12) through the air duct (11);

a fan (20) rotatably disposed within the volute (10);

the air guide assemblies (30) are arranged in one-to-one correspondence with the air outlets (12), and each air guide assembly (30) is arranged at the corresponding air outlet (12) and used for controlling the air output or air output speed of the air outlet (12);

the flow dividing structure (40) is rotatably arranged in the volute (10), the flow dividing structure (40) is provided with a bilateral air outlet position and a unilateral air outlet position, a preset included angle A is formed between the flow dividing structure (40) and a reference surface S, and the reference surface S is formed by a rotating axis of the flow dividing structure (40) and a rotating axis of the fan (20); the at least two air outlets (12) are respectively positioned at two sides of the reference surface S;

When the flow dividing structure (40) is located at the bilateral air outlet position, the flow dividing structure (40) is located on the right side of the reference surface S, and the preset included angle A is larger than or equal to 15 degrees and smaller than 30 degrees; when shunting structure (40) is in unilateral air-out position, predetermine contained angle A and be greater than or equal to 30 and be less than 60.

2. The air outlet mechanism according to claim 1, wherein the at least two air outlets (12) include a left air outlet (121) and a right air outlet (122), the one-side air outlet position includes a left air outlet position and a right air outlet position, when the flow dividing structure (40) is located at the left air outlet position, the flow dividing structure (40) is located at the right side of the reference plane S, and the preset included angle a is greater than or equal to 30 ° and less than or equal to 60 °; shunt structure (40) are in when right side air-out position, shunt structure (40) are located the left side of reference surface S, it is greater than or equal to 30 and less than or equal to 45 to predetermine contained angle A.

3. The air outlet mechanism of claim 2, wherein the flow dividing structure (40) has a first surface (41) and a second surface (42) which are oppositely arranged, and when the flow dividing structure (40) is in the left air outlet position, the flow dividing structure (40) rotates until the first surface (41) is arranged towards the reference plane S; when the flow dividing structure (40) is located at the right side air outlet position, the flow dividing structure (40) rotates to the position, in which the second surface (42) faces the reference surface S.

4. The air outlet mechanism of claim 1, wherein the flow dividing structure (40) is a flat plate or an arc-shaped plate.

5. The air outlet mechanism of claim 1, wherein the fan (20) is a cross-flow fan, and the outer diameter D and the number n of blades of the cross-flow fan are equal_ySatisfies the following conditions: n is a radical of an alkyl radical_y＝a+(D-110)*b/10；34≤a≤36，3≤b≤5。

6. The air outlet mechanism of claim 1, wherein the fan (20) is a cross-flow fan, and a volute tongue position angle θ of the volute (10) and an outer diameter D of the cross-flow fan satisfy: θ is 35-c (D-110)/10; c is more than or equal to 2 and less than or equal to 5; the circle center P3 of the cross flow fan and a volute tongue fillet tangent point P7 form a first line segment L1, a shortest line segment L is arranged between the circle center P3 of the cross flow fan and a volute tongue molded line (13), and the volute tongue position angle theta is formed between the first line segment L1 and the shortest line segment L.

7. The air outlet mechanism according to claim 2, wherein the volute (10) comprises:

a volute body (14) having the air inlet;

the first air outlet pipe body (15) is communicated with the volute body (14), and one end, far away from the volute body (14), of the first air outlet pipe body (15) is the left air outlet (121);

the second air outlet pipe body (16) is communicated with the volute body (14), and one end, far away from the volute body (14), of the second air outlet pipe body (16) is the right air outlet (122);

Wherein, satisfy between minimum width w1 of first air-out body (15) and the minimum width w2 of second air-out body (16): w2/w1 is more than or equal to 1 and less than or equal to 2.

8. The air outlet mechanism of claim 7, characterized in that the minimum width w1 of the first air outlet pipe (15) and the minimum width w2 of the second air outlet pipe (16) satisfy the following relationship: w2/w1 ═ 1+ D (D-110)/10; d is more than or equal to 0.2 and less than or equal to 0.5.

9. The air outlet mechanism of claim 1, characterized in that the fan (20) is a cross-flow fan, the vertex P4 of the flow dividing structure (40) and the circle center P3 of the cross-flow fan have a shortest distance L3, and the shortest distance L3 satisfies the following conditions: l3 is more than or equal to 2R and less than or equal to 3R, and R is the radius of the crossflow fan.

10. The air outlet mechanism of claim 7, wherein the first air outlet duct body (15) has an air duct upper profile, a tangent point P5 is provided between the air duct upper profile and the volute tongue fillet, and a volute tongue fillet tangent line c is made through the tangent point P5; and drawing a volute profile tangent line d through a volute profile endpoint P2, wherein an included angle formed between the volute tongue fillet tangent line c and the volute profile tangent line d is an air duct diffusion angle beta, and the air duct diffusion angle beta is larger than or equal to 13 degrees and smaller than or equal to 20 degrees.

11. The air outlet mechanism of claim 10, wherein a second line L4 is formed between the tangent point P5 and the left air outlet end point P6, and the second line L4 satisfies the following conditions: l4 ═ 105+ e (D-110)/10; e is more than or equal to 6 and less than or equal to 15.

12. The air outlet mechanism according to claim 1, wherein the air guide assembly (30) includes:

a wind-sweeping blade (31);

an air deflector (32) located downstream of the wind-sweeping blade (31).

13. The air conditioning device is characterized by comprising a heat exchanger (50), a shell (60) and an air outlet mechanism, wherein the heat exchanger (50) and the air outlet mechanism are both arranged in the shell (60); wherein, the air-out mechanism is the air-out mechanism of any one of claims 1 to 12.