Volute and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, and discloses a volute and an air conditioner. The volute and the air conditioner comprise the upper volute, the upper volute is provided with an air cavity and an air outlet, the air cavity communicates with the air outlet, and a plurality of air deflectors are arranged on the side, close to the air outlet, of the inner wall of the air cavity and are arranged on the two axial sides of the upper volute correspondingly. According to the volute, the multiple air deflectors are arranged on the side, close to the air outlet, of the inner wall of the air cavity, the multiple air deflectors are distributed on the two sides of the axial direction of the upper volute, and due to the arrangement of the air deflectors, the structural strength of the air outlet of the volute is improved; the high-speed disordered air flow is converted into stably flowing air flow under the guidance of the air guide plate, so that volute vibration caused by the fact that the high-speed disordered air flow directly acts on the volute is reduced, and the problem that the volute vibrates when the high-speed disordered air flow flows through the fan is solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of air conditioners, and particularly relates to a volute and an air conditioner. BACKGROUND

[0002] A wind pipe type air conditioner usually adopts a centrifugal fan as a heat exchange power source. In the related art, a centrifugal fan includes a motor, a cross-flow fan blade, and a volute. The motor drives the cross-flow fan blade to rotate at a high speed, so that airflow can flow from an air inlet of the volute to an air outlet. However, when the high-speed turbulent airflow leaves the centrifugal fan from the air outlet, the volute will vibrate, thereby causing the centrifugal fan to generate noise.

[0003] Therefore, it is necessary to improve the prior art.

[0004] The above information is given as background information only to assist with an understanding of the present disclosure. No admission is made nor should it be inferred that any of the above information can serve as prior art with respect to the present disclosure. SUMMARY

[0005] Embodiments of the present application provide a volute and an air conditioner to solve the problem that high-speed turbulent airflow flowing through a fan causes the volute to vibrate.

[0006] In a first aspect, the embodiments of the present application provide a volute, comprising an upper volute, the upper volute having an air cavity and an air outlet, the air cavity being communicated with the air outlet, a plurality of air guide plates being arranged on a side of an inner wall of the air cavity close to the air outlet, and the plurality of air guide plates being arranged on two sides of the upper volute in an axial direction.

[0007] In a possible implementation, a leeward side of the air guide plate is provided with a leeward surface, an upwind side of the air guide plate is provided with an upwind surface, and a connecting surface is connected between the leeward surface and the upwind surface.

[0008] In a possible implementation, the upwind surface is connected with a circular arc transition surface, a length of the upwind surface is L, a radius of the circular arc transition surface is R, and 10%≤R / L≤50%.

[0009] In a possible implementation, a length of the leeward surface is S, a length of the upwind surface is L, and 30%≤S / L≤100%.

[0010] In a possible implementation, a length of the upwind surface is L, a length of the air outlet is J, and 10%≤L / J≤20%. In a possible implementation,

[0011] In a possible implementation, an included angle between an extension direction of the air guide plate and an axial direction of the air outlet is α, and 0°<α≤15°.

[0012] In a possible implementation, the thickness of the air guide plate gradually decreases along the air outlet direction of the air outlet.

[0013] In a possible implementation, the air guide plates on the same side of the inner wall of the air cavity are arranged in sequence and spaced along the height direction of the air outlet, and the lengths of the air guide plates on the same side of the inner wall of the air cavity gradually decrease along the height direction of the air outlet.

[0014] In a possible implementation, the air guide plates on the same side of the inner wall of the air cavity are parallel to each other, and the air guide plates on one side of the axial direction of the upper volute are symmetrically arranged with the air guide plates on the other side of the axial direction of the upper volute.

[0015] In a second aspect, the embodiments of the present application further provide an air conditioner, which comprises the volute according to any one of the above.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] The volute provided by the embodiments of the present application has the following beneficial effects: the air guide plates are arranged on the side of the inner wall of the air cavity close to the air outlet, and the air guide plates are distributed on both sides of the axial direction of the upper volute, so that the structural strength of the air outlet of the volute is increased, and when the high-speed turbulent airflow flows to the air outlet, the high-speed turbulent airflow is changed into a smooth airflow under the guidance of the air guide plates, the vibration of the volute caused by the direct action of the high-speed turbulent airflow on the volute is reduced, and the problem that the volute vibrates when the high-speed turbulent airflow flows through the fan is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] In order to more completely understand the present application and its beneficial effects, the following will be described with reference to the drawings. In the following description, the same reference numerals represent the same parts.

[0020] Figure 1 The structural schematic diagram of the volute provided by the embodiments of the present application.

[0021] Figure 2 The structural schematic diagram of the air guide plate provided by the embodiments of the present application.

[0022] Figure 3 The front view of the volute provided by the embodiments of the present application.

[0023] Figure 4 A cross-sectional view of the volute provided by the embodiments of the present application.

[0024] In the figure: 1, upper volute; 11, air cavity; 12, air outlet; 2, air deflector; 21, leeward surface; 22, windward surface; 23, connecting surface; 24, circular arc transition surface; 3, lower volute. DETAILED DESCRIPTION

[0025] To describe possible application scenarios, technical principles, specific schemes that can be implemented, purposes and effects that can be achieved, etc. of the present application in detail, the specific embodiments listed below will be described in detail in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore cannot be used to limit the protection scope of the present application.

[0026] In the description of the present application, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features.

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application.

[0028] The volute and air conditioner provided by the embodiments of the present application solve the problem of vibration of the volute caused by the high-speed turbulent airflow flowing through the fan. The following will be described in conjunction with the drawings.

[0029] Please refer to Figure 1 The embodiments of the present application provide a volute, which comprises an upper volute 1, the upper volute 1 has an air cavity 11 and an air outlet 12, the air cavity 11 is communicated with the air outlet 12, and a plurality of air deflectors 2 are arranged on the side of the inner wall of the air cavity 11 close to the air outlet 12, and the plurality of air deflectors 2 are arranged on the two sides of the axial direction of the upper volute 1.

[0030] By arranging a plurality of air deflectors 2 on the side of the inner wall of the air cavity 11 close to the air outlet 12, and distributing the plurality of air deflectors 2 on the two sides of the axial direction of the upper volute 1, the arrangement of the air deflectors 2 not only increases the structural strength of the air outlet 12 of the volute, but also makes the high-speed turbulent airflow change into a smooth airflow under the guidance of the air deflectors 2 when flowing to the air outlet 12, reduces the vibration of the volute caused by the direct action of the high-speed turbulent airflow on the volute, and solves the problem of vibration of the volute caused by the high-speed turbulent airflow flowing through the fan.

[0031] Please refer to Figure 1 and Figure 4The plurality of air deflectors 2 located on the same side of the inner wall of the air cavity 11 are arranged in sequence and at intervals along the height direction of the air outlet 12, and the length of the plurality of air deflectors 2 located on the same side of the inner wall of the air cavity 11 decreases in sequence along the height direction of the air outlet 12. The plurality of air deflectors 2 located on the same side of the inner wall of the air cavity 11 are parallel to each other, and the plurality of air deflectors 2 located on one side of the axial direction of the upper volute 1 are symmetrically arranged with the plurality of air deflectors 2 located on the other side of the axial direction of the upper volute 1. In this embodiment, the number of air deflectors 2 is six, of which three air deflectors 2 are fixedly connected to one side of the axial direction of the upper volute 1, and the other three air deflectors 2 are fixedly connected to the other side of the axial direction of the volute. The end surface of one end of the air deflector 2 in the length direction is flush with the end surface of the air outlet 12 of the upper volute 1, and the length of the three air deflectors 2 located on the same side decreases in sequence along the height direction of the air outlet 12. Since the speed of the airflow decreases in sequence along the height direction of the air outlet 12, the airflow at different height levels can be guided by making the length of the air deflector 2 decrease in sequence along the height direction of the air outlet 12, thereby improving the stability of the volute.

[0032] Please refer to Figure 2 The air deflector 2 is provided with a leeward surface 21 on the side close to the air outlet 12, and an upwind surface 22 on the side away from the air outlet 12, and a connecting surface 23 is connected between the leeward surface 21 and the upwind surface 22.

[0033] Please refer to Figure 2 and Figure 3 The length of the upwind surface 22 is L, and the length of the air outlet 12 is J, and 10%≤L / J≤20%. In this embodiment, the value of L / J is 10%, and in other embodiments of the present application, the value of L / J is any one of 12%, 14%, 16%, 18%, and 20%. When L / J<10%, the length of the upwind surface 22 is too short, resulting in poor air guiding ability of the air deflector 2, and when L / J>20%, the length of the upwind surface 22 is too long, resulting in interference of the air deflector 2 to the high-speed airflow, generating excessive vibration. When 10%≤L / J≤20%, the air deflector 2 not only has good air guiding ability, but also can reduce the interference to the airflow.

[0034] Please refer to Figure 2The arc transition surface 24 is connected between the windward surface 22 and the connecting surface 23. By arranging the arc transition surface 24, the kinetic energy loss of the air flow at the connecting position of the windward surface 22 and the connecting surface 23 can be reduced, thereby reducing the vibration of the volute. The length of the windward surface 22 is L, and the radius of the arc transition surface 24 is R, and 10%≤R / L≤50%. In the embodiment, the value of R / L is 10%, and in some embodiments of the application, the value of R / L is any one of 15%, 20%, 25%, 30%, 35%, 40%, 45%, and 50%. When R / L<10%, the radius of the arc transition surface 24 is too small, and the kinetic energy loss of the air flow at the connecting position of the windward surface 22 and the connecting surface 23 is still large. When R / L>50%, the radius of the arc transition surface 24 is too large, and the guiding ability of the air deflector 2 is reduced. When 10%≤R / L≤50%, not only the kinetic energy loss of the air flow at the connecting position of the windward surface 22 and the connecting surface 23 can be reduced, but also the guiding ability of the air deflector 2 can be maintained.

[0035] Please refer to Figure 2 The length of the leeward surface 21 is S, and the length of the windward surface 22 is L, and 30%≤S / L≤100%. In the embodiment, the value of S / L is 50%, and in some embodiments of the application, the value of S / L is any one of 30%, 40%, 60%, 70%, 80%, 90%, and 100%.

[0036] Please refer to Figure 4 The angle between the extension direction of the air deflector 2 and the axis direction of the air outlet 12 is α, and 0°<α≤15°. In the embodiment, the value of α is 7°, and in some embodiments of the application, the value of S / L is any one of 1°, 2°, 3°, 4°, 5°, 6°, 8°, 9°, 10°, 11°, 12°, 13°, 14°, and 15°. When α>15°, the direction of the air deflector 2 deviates greatly from the discharge direction of the air flow, resulting in a large kinetic energy loss of the air flow when flowing through the air deflector 2, thereby causing the air deflector 2 to vibrate. When 0°<α≤15°, not only the air deflector 2 can guide the flow direction of the air flow, but also the kinetic energy loss of the air flow at the air deflector 2 can be reduced.

[0037] Please refer to Figure 1 and Figure 3 The thickness of the air deflector 2 gradually decreases along the air outlet direction of the air outlet 12, which is beneficial to improve the structural strength of the air deflector 2 on the windward surface 22 side, thereby reducing the occurrence of the vibration of the air deflector 2. One side of the air deflector 2 is fixedly connected with the cavity wall of the air cavity 11, and the thickness of the air deflector 2 gradually decreases along the direction close to the cavity wall. By gradually decreasing the thickness of the air deflector 2 along the direction close to the cavity wall, the kinetic energy loss of the air flow at the connecting position of the air deflector 2 and the cavity wall can be improved, thereby being beneficial to improve the vibration problem of the volute.

[0038] Please refer toFigure 1 and Figure 4 The volute further comprises a lower volute 3, the upper volute 1 is integrally formed with a clamping jaw, the lower volute 3 is integrally formed with a clamping buckle matched with the clamping jaw, and the upper volute 1 and the lower volute 3 are fixedly connected through the clamping jaw and the clamping buckle.

[0039] The application further provides an air conditioner comprising the volute as described above. The air conditioner has the above-mentioned volute, and thus has at least part or all of the beneficial effects of the volute. Here, the description will not be repeated. In the above-mentioned embodiments, the description of each embodiment is focused on a certain aspect. The parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0040] Finally, it should be noted that although the above-mentioned embodiments have been described in the specification and drawings of the application, the patent protection scope of the application should not be limited. Any technical solution obtained by replacing or modifying the equivalent structure or equivalent process based on the essential concept of the application, using the content described in the specification and drawings of the application, and directly or indirectly implementing the technical solutions of the above-mentioned embodiments in other related technical fields, etc., are all included in the patent protection scope of the application.

Claims

1. A volute, characterized in that, The air conditioner comprises an upper volute (1) having a wind cavity (11) and an air outlet (12), the wind cavity (11) is communicated with the air outlet (12), and a plurality of air deflectors (2) are arranged on the side of the inner wall of the wind cavity (11) close to the air outlet (12), and the air deflectors (2) are arranged on both sides of the axial direction of the upper volute (1) respectively.

2. The volute of claim 1, wherein, The air deflector (2) is provided with a leeward surface (21) on the side close to the air outlet (12), and is provided with a windward surface (22) on the side away from the air outlet (12), and the leeward surface (21) and the windward surface (22) are connected with a connecting surface (23).

3. The volute of claim 2, wherein, The windward surface (22) is connected with the connecting surface (23) with a circular arc transition surface (24), the length of the windward surface (22) is L, the radius of the circular arc transition surface (24) is R, and 10%≤R / L≤50%.

4. The volute of claim 2, wherein, The length of the leeward surface (21) is S, the length of the windward surface (22) is L, and 30%≤S / L≤100%.

5. The volute of claim 2, wherein, The length of the windward surface (22) is L, and the length of the air outlet (12) is J, and 10%≤L / J≤20%.

6. The volute of claim 1, wherein, The angle between the extension direction of the air deflector (2) and the axial direction of the air outlet (12) is α, and 0°<α≤15°.

7. The volute of claim 1, wherein, The thickness of the air deflector (2) gradually decreases along the air outlet direction of the air outlet (12).

8. The volute of claim 1, wherein, The air deflectors (2) on the same side of the inner wall of the wind cavity (11) are arranged in sequence and are spaced apart along the height direction of the air outlet (12), and the lengths of the air deflectors (2) on the same side of the inner wall of the wind cavity (11) gradually decrease along the height direction of the air outlet (12).

9. The volute of claim 1, wherein, The air deflectors (2) on the same side of the inner wall of the wind cavity (11) are parallel to each other, and the air deflectors (2) on one side of the axial direction of the upper volute (1) are symmetrically arranged with the air deflectors (2) on the other side of the axial direction of the upper volute (1).

10. An air conditioner characterized by comprising: The air conditioner comprises the volute according to any one of claims 1-9.

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