WO2020048203A1

WO2020048203A1 - Air channel assembly and air conditioner

Info

Publication number: WO2020048203A1
Application number: PCT/CN2019/093737
Authority: WO
Inventors: 钱国华; 秦宪; 冷晓刚; 叶鲁伟
Original assignee: 宁波奥克斯电气股份有限公司; 奥克斯空调股份有限公司
Priority date: 2018-09-04
Filing date: 2019-06-28
Publication date: 2020-03-12
Also published as: CN109282466A; CN109282466B

Abstract

An air channel assembly and an air conditioner, relating to the technical field of air conditioners. The air channel assembly comprises a volute and a wind wheel. The wind wheel is mounted in the volute, and can rotate with respect to the volute, the wind wheel extends into an air outlet by means of a first side wall, a first gap is formed between the wind wheel and a second side wall; the length of the air outlet is within the range from 1.5 times of the first gap to 2 times of the first gap, the second gap is equal to a third gap, and both are within the range from 6 mm to 8 mm, the minimum gap ranges from 8 mm to 12 mm, and an included angle is formed between the tangent line of the first side wall and the plane where the cross section of the air outlet is located, and ranges from 84 degrees to 87 degrees. Compared with the prior art, size parameters of the wind wheel and the volute are reasonably distributed in the air channel assembly described in the present invention, the noise can be effectively reduced on the premise of not affecting the air volume, noise pollution is avoided, and the practicability is high.

Description

Air duct component and air conditioner

Technical field

The present disclosure relates to the technical field of air conditioning, and in particular, to an air duct component and an air conditioner.

Background technique

Mobile air conditioners are easy to install and use, and are more popular in the European and American markets. However, as a member of integrated air conditioners, the same noise problems have seriously affected the comfort of mobile air conditioners. Only by developing lower noise mobile air conditioners can product competitiveness be improved. The air outlet structure of the fan is an important part of the mobile air conditioner, and it has an important impact on the circulating air volume and the noise level of the air conditioner. The current air outlet structure generates high noise during the process of air outlet, which affects the user experience.

Summary of the Invention

In view of this, the present disclosure aims to propose an air duct component and an air conditioner with a simple structure and reasonable allocation of dimensional parameters of each component, which can effectively reduce the generated noise without affecting the air volume, and avoid noise pollution. It is practical Strong sex.

To achieve the above objective, the technical solution of the present disclosure is implemented as follows:

An embodiment of the present disclosure provides an air duct assembly. The air duct assembly includes a volute and a wind wheel. The wind wheel is installed in the volute and can rotate relative to the volute. The volute includes a first side wall and a second side. Wall, third side wall, first connection wall, and second connection wall, the first side wall, first connection wall, second side wall, and second connection wall are connected end to end, and form an air outlet in combination, and the first side wall passes The third side wall is connected to the second side wall, the wind wheel extends into the air outlet through the first side wall, and forms a first gap with the second side wall, and the distance between the first side wall and the second side wall Is the length of the air outlet, the length of the air outlet is in the range of 1.5 times the first gap to 2 times the first gap; the wind wheel is arranged between the first connection wall and the second connection wall, A second gap is formed between the wind wheel and the second connecting wall. The second gap is equal to the third gap and is in the range of 6 mm to 8 mm. The wind wheel and the third side wall are close to the first gap. A minimum gap is formed between one ends of the side walls, and the minimum gap is in a range of 8 mm to 12 mm; the first side wall Tangent to the outlet cross-section form an angle between the plane, in the range of 84 degrees to 87 degrees in angle.

In one embodiment, the first gap is in a range of 5 times the second gap to 10 times the minimum gap.

In one embodiment, the second side wall and the plane where the cross section of the air outlet is located are perpendicular to each other.

In an embodiment, the third side wall is arc-shaped, and the connection between the first side wall and the third side wall is arc-shaped.

In an embodiment, the distance between the first connection wall and the second connection wall is the width of the air outlet, and the width of the air outlet is equal to the sum of the width of the wind wheel, the second gap, and the third gap.

In one embodiment, the air duct assembly further includes an air outlet hood, the bottom of the air outlet hood is connected to the volute, and the air outlet hood is provided with a through hole, and the position of the through hole corresponds to the position of the air outlet.

In one embodiment, the air duct assembly further includes a wind protection net, the wind protection net is installed in the wind hood, and the position of the wind protection net corresponds to the position of the through hole.

In an embodiment, the first connecting wall is provided with a first opening, and the second connecting wall is provided with a second opening. The position of the first opening corresponds to the position of the second opening. The wind wheel is installed on the first opening and the second opening. Between the openings.

In one embodiment, the air duct assembly further includes a motor. The motor is fixedly mounted on the first connection wall, passes through the first opening, and is connected to the wind wheel.

An embodiment of the present disclosure also provides an air conditioner including any of the mentioned air duct components.

In one embodiment, the air conditioner further includes a casing, and the air duct component is installed in the casing.

Compared with the prior art, the air duct component and the air conditioner described in the present disclosure have the following advantages:

Compared with the prior art, the air duct assembly according to the present disclosure uses a second air outlet length ranging from 1.5 times the first gap to 2 times the first gap and a second range from 6 mm to 8 mm. The clearance and the third clearance, the minimum clearance in the range of 8 mm to 12 mm, and the included angle in the range of 84 to 87 degrees, the size parameters of the wind wheel and the volute are reasonably allocated, and the air duct component structure is simple It can effectively reduce the generated noise without affecting the air volume, avoid noise pollution, has strong practicability, and has a good user experience.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings constituting a part of the present disclosure are used to provide a further understanding of the present disclosure. The exemplary embodiments of the present disclosure and the description thereof are used to explain the present disclosure, and do not constitute an improper limitation on the present disclosure. In the drawings:

FIG. 1 is a schematic structural view of an air duct component according to a first embodiment of the present disclosure;

2 is a schematic structural view of another perspective of an air duct component according to the first embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a perspective view of the connection between the wind wheel and the volute in the air duct assembly according to the first embodiment of the present disclosure; FIG.

4 is a schematic structural view from another perspective of connecting a wind wheel and a volute in an air duct component according to a first embodiment of the present disclosure;

5 is a schematic structural diagram of a volute in an air duct component according to a first embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of an air conditioner according to a second embodiment of the present disclosure.

Reference sign description:

1-air duct assembly; 2- volute; 3-wind wheel;

4-outlet hood; 5-outlet protection net; 6-motor;

7-air outlet; 9- first side wall; 10- second side wall;

11-the third side wall; 12-the first connecting wall; 13-the second connecting wall;

14-first opening; 15-second opening; 16-air conditioner;

17-Shell.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.

The disclosure will be described in detail below with reference to the drawings and embodiments.

First embodiment

With reference to FIG. 1 and FIG. 2 in combination, an embodiment of the present disclosure provides an air duct assembly 1 for blowing air to the outside. The structure is simple, and the dimensional parameters of each component are reasonably allocated, which can effectively reduce the generated noise without affecting the air volume, avoid noise pollution, and has high practicability. In this embodiment, the air duct component 1 is used in an air conditioner. When the air conditioner starts, the air duct component 1 works, and blows out hot or cold air generated by heat exchange in the air conditioner into the room to regulate the indoor temperature.

The air duct component 1 includes a volute 2, a wind wheel 3, an air outlet hood 4, an air outlet protection net 5, and a motor 6. The wind wheel 3 is installed in the volute 2 and can rotate relative to the volute 2. The volute 2 is provided with an air outlet 7. The wind wheel 3 can suck outside air into the volute 2 and blow out to the outside through the air outlet 7. Achieve the wind function. The bottom of the air outlet hood 4 is connected to the volute 2. The air outlet hood 4 is provided with a through hole (not shown). The position of the through hole corresponds to the position of the air outlet 7. The airflow output from the air outlet 7 passes through the air outlet hood. 4 is output to the outside, and the air outlet hood 4 can guide the output airflow. In this embodiment, the air outlet hood 4 and the volute 2 are integrally formed to improve the connection strength. The air outlet protection net 5 is installed in the air outlet hood 4, and the position of the air outlet protection net 5 corresponds to the position of the through hole, so as to prevent foreign objects from entering the air outlet 7 through the through hole, thereby avoiding hidden safety risks. The motor 6 is fixed on the volute 2 and is connected to the wind wheel 3 to drive the wind wheel 3 to rotate, thereby generating airflow.

Please refer to FIGS. 3 and 4 (A is the length of the air outlet 7 in the figure, B is the minimum clearance, C is the angle between the first side wall 9 and the plane on which the air outlet 7 is located, D is the first gap, and E is the outlet The width of the tuyere 7, F is the second gap, G is the third gap, and H is the width of the wind wheel.) The volute 2 includes a first side wall 9, a second side wall 10, a third side wall 11, and a first connection. Wall 12 and the second connecting wall 13. The first side wall 9, the first connection wall 12, the second side wall 10, and the second connection wall 13 are connected end to end, and form an air outlet 7 in combination. In this embodiment, the air outlet 7 is rectangular, and the first side wall 9 and the The second side wall 10 is disposed in parallel, the first connection wall 12 is disposed in parallel with the second connection wall 13, and the first side wall 9 is disposed perpendicular to the first connection wall 12. The first side wall 9 is connected to the second side wall 10 through the third side wall 11, and the first connection wall 12 and the second connection wall 13 are oppositely disposed at the upper and lower ends of the third side wall 11.

In one embodiment, as shown in FIG. 3, the wind wheel 3 extends into the air outlet 7 through the first side wall 9, and a first gap D is formed between the wind wheel 3 and the second side wall 10. On the left side of the center of one side wall 9 and the second side wall 10, part of the wind wheel 3 extends into the air outlet 7. Specifically, since the air outlet 7 is rectangular, the distance between the first side wall 9 and the second side wall 10 is the length A of the air outlet 7, and the length A of the air outlet 7 is 1.5 times the first gap D to 2 times. The first gap D is within the range to reduce wind noise. In this embodiment, the length of the air outlet 7 is equal to 1.8 times the first gap, but it is not limited to this. The length of the air outlet 7 may be equal to 1.5 times the first gap, or may be equal to 2 times the first gap.

As shown in FIG. 4, the wind wheel 3 is disposed between the first connection wall 12 and the second connection wall 13. A second gap F is formed between the wind wheel 3 and the first connection wall 12, and the wind wheel 3 and the second connection wall. A third gap G is formed between 13. The second gap F is equal to the third gap G, and both are in the range of 6 mm to 8 mm to reduce wind noise. In this embodiment, the second gap F and the third gap G are both 7 mm, but it is not limited to this. The second gap F and the third gap G may both be 6 mm or 8 mm.

A minimum gap is formed between the wind wheel 3 and an end of the third side wall 11 near the first side wall 9, and the minimum gap is in a range of 8 mm to 12 mm to reduce wind noise. In this embodiment, the minimum gap is 10 mm, but it is not limited to this, and the minimum gap may be 8 mm or 12 mm.

The first side wall 9 is inclined outwards in a flared shape. An angle is formed between the tangent of the first side wall 9 and the plane where the cross section of the air outlet 7 is located. The included angle is in the range of 84 degrees to 87 degrees. The planes where the side walls 10 and the cross section of the air outlet 7 are located are perpendicular to each other, so as to increase the amount of air output and reduce wind resistance, thereby reducing noise. In this embodiment, the included angle is 85.5 degrees, but it is not limited to this. The included angle may be 84 degrees or 87 degrees.

It should be noted that in this embodiment, the first gap is in a range of 5 times the minimum gap to 10 times the minimum gap, that is, the range of the first gap is 40 mm to 120 mm, and the length of the air outlet 7 can be calculated. The range is 60 mm to 240 mm.

In one embodiment, the third side wall 11 is arc-shaped, one end of the third side wall 11 is connected to the first side wall 9, the other end is connected to the second side wall 10, and the first side wall 9 is connected to the third side wall. The arc at the connection point of 11 transitions smoothly to reduce the wind resistance, increase the amount of wind, and reduce the noise of the wind.

Referring to FIG. 4, in an embodiment, the distance between the first connection wall 12 and the second connection wall 13 is the width of the air outlet 7, and the width E of the air outlet 7 is equal to the width H of the wind wheel 3 and the second The sum of the gap F and the third gap G. The wind wheel 3 is disposed in the middle of the first connecting wall 12 and the second connecting wall 13. It can be calculated based on the width H of the wind wheel 3 and the range of the second gap F and the third gap G. The range of the width E of the air outlet 7.

Referring to FIG. 5, in this embodiment, the first connecting wall 12 is provided with a first opening 14, and the second connecting wall 13 is provided with a second opening 15. The position of the first opening 14 corresponds to the position of the second opening 15. The wind wheel 3 is installed between the first opening 14 and the second opening 15. The motor 6 is fixed on the first connecting wall 12 and passes through the first opening 14 and is connected to the wind wheel 3 to drive the wind wheel 3 to rotate. During the operation of the air duct component 1, the motor 6 drives the wind wheel 3 to rotate, and the air is drawn into the volute 2 through the second opening 15 under the action of the wind wheel 3, and then output to the outside through the air outlet 7.

In the air duct assembly 1 according to the embodiment of the present disclosure, the wind wheel 3 is installed in the volute 2 and can rotate relative to the volute 2. The wind wheel 3 extends into the air outlet 7 through the first side wall 9, and A first gap is formed between the second side walls 10, and the length of the air outlet 7 is in the range of 1.5 times the first gap to 2 times the first gap. A second gap is formed between the wind wheel 3 and the first connecting wall 12, and the wind A third gap is formed between the wheel 3 and the second connecting wall 13, and the second gap is equal to the third gap and both are in the range of 6 mm to 8 mm. The wind wheel 3 and the third side wall 11 are close to the first side wall 9. A minimum gap is formed between one end of the end, the minimum gap is in the range of 8 mm to 12 mm, and an angle is formed between the first side wall 9 and the plane on which the air outlet 7 is located, and the angle is in the range of 84 degrees to 87 degrees. Compared with the prior art, the air duct assembly 1 described in the present disclosure uses an air outlet 7 with a length ranging from 1.5 times the first gap to 2 times the first gap and a range of 6 mm to 8 mm. The second gap and the third gap, the minimum gap in the range of 8 mm to 12 mm, and the included angle in the range of 84 to 87 degrees, so the size parameters of the wind turbine 3 and the volute 2 are reasonably allocated. It can effectively reduce the generated noise without affecting the air volume, avoid noise pollution, and has strong practicability.

Second embodiment

Referring to FIG. 6, an embodiment of the present disclosure further provides an air conditioner 16 for controlling indoor air temperature. The air conditioner 16 includes a casing 17 and an air duct assembly 1. The basic structure, principle, and technical effect of the air duct component 1 are the same as those of the first embodiment. For a brief description, parts not mentioned in this embodiment can be referred to the corresponding content in the first embodiment.

In this embodiment, the air duct component 1 is installed in a casing 17, the casing 17 can protect the air duct component 1, and the air duct component 1 is used for outputting airflow to blow hot air or cold air generated by heat exchange into the room.

In the air conditioner of this embodiment, by rationally designing the structure of the air duct component and the size of the wind wheel and the volute, an air outlet length ranging from 1.5 times the first gap to 2 times the first gap is used, and the range is 6 mm. The second gap and the third gap within 8 mm, the minimum gap within the range of 8 mm to 12 mm, and the included angle within the range of 84 degrees to 87 degrees. The air duct component has a simple structure and can be used without affecting Under the premise of the air volume, the generated noise can be effectively reduced, noise pollution is avoided, the practicability is strong, and the user experience is good.

Unless there are technical obstacles or contradictions, the above-mentioned various embodiments of the present disclosure can be freely combined to form further embodiments, and these additional embodiments are all within the protection scope of the present disclosure.

Although the present disclosure has been described with reference to the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate optional implementations of the present disclosure, and should not be construed as a limitation to the present disclosure. The dimensional ratios in the drawings are only schematic and should not be construed as limiting the present disclosure.

Although some embodiments of the present general disclosure have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the present general disclosure. The scope is defined by the claims and their equivalents.

Claims

An air duct component is characterized in that it comprises a volute (2) and a wind wheel (3), the wind wheel (3) is installed in the volute (2) and can be opposite to the volute (2) ), The volute (2) includes a first side wall (9), a second side wall (10), a third side wall (11), a first connection wall (12) and a second connection wall (13) The first side wall (9), the first connection wall (12), the second side wall (10) and the second connection wall (13) are connected end to end, and combined to form an air outlet (7) ), The first side wall (9) is connected to the second side wall (10) through the third side wall (11), and the wind wheel (3) passes through the first side wall (9) Extends into the air outlet (7) and forms a first gap with the second side wall (10), between the first side wall (9) and the second side wall (10) The distance is the length of the air outlet (7), and the length of the air outlet (7) is in the range of 1.5 times the first gap to 2 times the first gap;

The wind wheel (3) is disposed between the first connection wall (12) and the second connection wall (13), and between the wind wheel (3) and the first connection wall (12) A second gap is formed, and a third gap is formed between the wind wheel (3) and the second connecting wall (13), the second gap is equal to the third gap, and both are between 6 mm and 8 mm. Within range

A minimum gap is formed between the wind wheel (3) and an end of the third side wall (11) near the first side wall (9), and the minimum gap is in a range of 8 mm to 12 mm;

An included angle is formed between a tangent of the first side wall (9) and a plane on which the cross section of the air outlet (7) is located, and the included angle is in a range of 84 degrees to 87 degrees.
The air duct assembly according to claim 1, wherein the first gap is in a range of 5 times the second gap to 10 times the minimum gap.
The air duct component according to claim 1, wherein the second side wall (10) and a plane where the cross section of the air outlet (7) is located are perpendicular to each other.
The air duct component according to claim 1, characterized in that the third side wall (11) is arc-shaped, and the connection between the first side wall (9) and the third side wall (11) Arc transition.
The air duct component according to claim 1, characterized in that the distance between the first connection wall (12) and the second connection wall (13) is the width of the air outlet (7), so The width of the air outlet (7) is equal to the sum of the width of the wind wheel (3), the second gap, and the third gap.
The air duct assembly according to claim 1, wherein the air duct assembly further comprises an air outlet cover (4), and a bottom of the air outlet cover (4) is connected to the volute (2), so that The air outlet (4) is provided with a through hole, and the position of the through hole corresponds to the position of the air outlet (7).
The air duct component according to claim 6, characterized in that the air duct component further comprises an air outlet protection net (5), and the air outlet protection net (5) is installed in the air outlet cover (4). The position of the wind protection net (5) corresponds to the position of the through hole.
The air duct assembly according to claim 1, wherein the first connection wall (12) is provided with a first opening (14), and the second connection wall (13) is provided with a second opening (15) The position of the first opening (14) corresponds to the position of the second opening (15), and the wind wheel (3) is installed on the first opening (14) and the second opening (15) )between.
The air duct assembly according to claim 7, characterized in that the air duct assembly further comprises a motor (6), the motor (6) is fixedly mounted on the first connection wall (12), and passes through The first opening (14) is connected to the wind wheel (3).
An air conditioner, comprising the air duct component according to any one of claims 1 to 9.
The air conditioner according to claim 10, further comprising: a casing (17), wherein the air duct component (1) is installed in the casing (17).