CN219711884U - Volute structure, fresh air module and fresh air conditioner - Google Patents
Volute structure, fresh air module and fresh air conditioner Download PDFInfo
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- CN219711884U CN219711884U CN202321107262.9U CN202321107262U CN219711884U CN 219711884 U CN219711884 U CN 219711884U CN 202321107262 U CN202321107262 U CN 202321107262U CN 219711884 U CN219711884 U CN 219711884U
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- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The utility model provides a volute structure, a fresh air module and a fresh air conditioner. The volute structure comprises a first volute and a second volute, the first volute is provided with an air inlet cavity and an air inlet communicated with the air inlet cavity, the second volute is provided with an air outlet cavity and an air outlet communicated with the air outlet cavity, and the air outlet cavity is communicated with the air inlet cavity and forms an air channel; the side wall of the air inlet cavity opposite to the air inlet is provided with a turbulent flow structure, the turbulent flow structure comprises a plurality of turbulent flow bulges, and the plurality of turbulent flow bulges are arranged at intervals along the length direction of the side wall. According to the utility model, the turbulence structure is arranged on the side wall of the air inlet cavity opposite to the air inlet, and the turbulence structure comprises the plurality of turbulence protrusions which are arranged at intervals along the length direction of the side wall, so that the turbulence structure can inhibit the separation of the air inlet flow to generate a large-scale vortex, improve the air flow state, reduce the flow separation, reduce the vortex strength, further reduce the interaction between the vortex and the wall surface of the air inlet cavity, achieve the purpose of reducing noise, effectively improve the operation quality of the fresh air module and improve the user experience.
Description
Technical Field
The utility model belongs to the technical field of air conditioners, and particularly relates to a volute structure, a fresh air module and a fresh air conditioner.
Background
Along with the improvement of living standard, the requirements of people on indoor air quality are higher and higher, and the fresh air conditioner is more and more favored by consumers because the fresh air conditioner can realize indoor and outdoor air circulation. However, along with the popularization of the fresh air conditioner, some problems of the fresh air conditioner are exposed, for example, noise problems such as loud noise of a fresh air module of the fresh air conditioner, serious cavity sound and the like are always common diseases of the fresh air conditioner, and the user experience is seriously affected.
Disclosure of Invention
The embodiment of the utility model provides a volute structure, a fresh air module and a fresh air conditioner, and aims to solve the problem that the existing fresh air module is high in fresh air noise.
In a first aspect, an embodiment of the present utility model provides a volute structure, where the volute structure includes a first volute and a second volute connected to the first volute, the first volute is provided with an air inlet cavity and an air inlet communicated with the air inlet cavity, the second volute is provided with an air outlet cavity and an air outlet communicated with the air outlet cavity, and the air outlet cavity is communicated with the air inlet cavity and forms an air channel; the air inlet cavity with be provided with the vortex structure on the opposite lateral wall of air intake, the vortex structure includes a plurality of vortex archs, a plurality of the vortex arch is followed the length direction interval arrangement of lateral wall.
Optionally, the air inlet cavity has diapire, first lateral wall, second lateral wall, third lateral wall and fourth lateral wall, first lateral wall the second lateral wall the third lateral wall with the fourth lateral wall connects gradually, just first lateral wall with the third lateral wall sets up relatively, the second lateral wall with the fourth lateral wall sets up relatively, be equipped with on the first lateral wall the air intake, be equipped with on the third lateral wall the vortex structure.
Optionally, the plurality of turbulence protrusions are arranged at equal intervals along the length direction of the side wall; and/or the heights of the plurality of turbulence protrusions are equal.
Optionally, the cross section of the turbulence protrusion is triangular, rectangular, arched or trapezoidal.
Optionally, the cross section of the turbulence protrusion is an isosceles triangle, the vertex angle alpha of the isosceles triangle is 25-35 degrees, the height L of the isosceles triangle is 20-25 mm, and the length D of the bottom edge of the isosceles triangle is 12-15 mm.
Optionally, a pipe orifice sleeve is arranged at the air inlet, and the pipe orifice sleeve is provided with an air inlet channel communicated with the air inlet.
Optionally, an air outlet cover plate is disposed at the air outlet, and the air outlet cover plate is rotatably mounted on the second volute so as to open or close the air outlet.
In a second aspect, an embodiment of the present utility model further provides a fresh air module, where the fresh air module includes a fan and the volute structure as described above, and the fan is installed in an air outlet cavity of the volute structure.
Optionally, the fresh air module further comprises a fresh air pipe, and one end of the fresh air pipe is connected with the air inlet of the volute structure.
In a third aspect, an embodiment of the present utility model further provides a fresh air conditioner, where the fresh air conditioner includes an air conditioner body and a fresh air module as described above, and the fresh air module is installed on the air conditioner body.
According to the volute structure, the fresh air module and the fresh air conditioner provided by the embodiment of the utility model, the turbulence structure is arranged on the side wall of the air inlet cavity of the first volute opposite to the air inlet, and the turbulence structure comprises the plurality of turbulence protrusions which are arranged at intervals along the length direction of the side wall, so that the separation of air inlet streams can be restrained by the turbulence structure to generate large-scale vortex, the air flow state is improved, the flow separation is reduced, the vortex strength is reduced, the interaction between the vortex and the wall surface of the air inlet cavity is further reduced, the purpose of noise reduction is achieved, the operation quality of the fresh air module is effectively improved, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a schematic diagram of an exploded structure of a fresh air module according to an embodiment of the present utility model.
Fig. 2 is an exploded view of the fresh air module shown in fig. 1 from another view angle.
Fig. 3 is a schematic structural diagram of a first volute according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of the first scroll casing of fig. 3 at another view angle.
Fig. 5 is a schematic structural view of a spoiler protrusion according to an embodiment of the present utility model.
Reference numerals illustrate:
100. a volute structure; 110. a first volute; 111. an air inlet cavity; 1111. a bottom wall; 1112. a first sidewall; 1113. a second sidewall; 1114. a third sidewall; 1115. a fourth sidewall; 112. an air inlet; 113. a turbulence structure; 1131. turbulence bumps; 120. a second volute; 121. an air outlet cavity; 122. an air outlet; 130. a pipe orifice sleeve; 131. a first connection portion; 132. a second connecting portion; 140. an air port cover plate; 200. a blower; 300. a new air pipe; 400. a guide ring; 500. a filter screen; 600. and (3) foaming.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the existing fresh air module, because the rear side of the pipe orifice sleeve 130 assembled by the volute and the fresh air pipe is in a sudden expansion form along the periphery, when outdoor fresh air (namely outdoor fresh air) is sucked in, the outdoor fresh air adheres to the pipe orifice sleeve and moves into the air inlet cavity 111; with the rotation of the fresh air fan, negative pressure is formed at the hub in the middle of the wind wheel of the fresh air fan, a part of air is directly sucked into the wind wheel to do work, and a part of air flows to the rear side of the air inlet cavity and impacts with the wall surface of the rear side of the air inlet cavity to generate noise; meanwhile, the bottom wall 1111 and the side wall of the air inlet cavity form an included angle of 90 degrees, so that the airflow flowing to the rear side of the air inlet cavity 111 does not reach the corner, and whirls at the corner to form vortex groups, which can cause airflow separation, continuous formation of secondary flow in a large-area low-speed area, and the like, thereby causing air volume loss and cavity sound generation.
In order to solve the problem of large fresh air noise of the existing fresh air module, the embodiment of the utility model provides a volute structure 100, as shown in fig. 1-5, the volute structure 100 comprises a first volute 110 and a second volute 120 connected with the first volute 110, the first volute 110 is provided with an air inlet cavity 111 and an air inlet 112 communicated with the air inlet cavity 111, the second volute 120 is provided with an air outlet cavity 121 and an air outlet 122 communicated with the air outlet cavity 121, and the air outlet cavity 121 is communicated with the air inlet cavity 111 and forms an air channel; the side wall of the air inlet cavity 111 opposite to the air inlet 112 is provided with a turbulence structure 113, the turbulence structure 113 comprises a plurality of turbulence protrusions 1131, and the turbulence protrusions 1131 are arranged at intervals along the length direction of the side wall.
The air inlet 112 is used for being communicated with the outdoor, so that outdoor fresh air enters the air inlet cavity 111 through the air inlet 112; the air outlet 122 is used for being communicated with the indoor space, so that outdoor fresh air flows into the indoor space to circulate indoor and outdoor air, and when the fresh air module operates, the outdoor fresh air enters the air inlet cavity 111 through the air inlet 112, flows into the air outlet cavity 121 through the air inlet cavity 111, and flows out of the air outlet 122 into the indoor space.
According to the volute structure 100 provided by the embodiment of the utility model, the turbulence structure 113 is arranged on the side wall of the air inlet cavity 111 of the first volute 110 opposite to the air inlet 112, and the turbulence structure 113 comprises the plurality of turbulence protrusions 1131 which are arranged at intervals along the length direction of the side wall, so that the separation of the air inlet flow can be restrained by the turbulence structure 113 to generate a large-scale vortex, the air flow state is improved, the flow separation is reduced, the vortex strength is reduced, the interaction between the vortex and the wall surface of the air inlet cavity 111 is further reduced, the purpose of noise reduction is achieved, the operation quality of a fresh air module is effectively improved, and the user experience is improved.
Specifically, as shown in fig. 3 and 4, the air inlet cavity 111 of the first volute 110 has a bottom wall 1111, a first side wall 1112, a second side wall 1113, a third side wall 1114 and a fourth side wall 1115, the first side wall 1112, the second side wall 1113, the third side wall 1114 and the fourth side wall 1115 are sequentially connected, the first side wall 1112 is opposite to the third side wall 1114, the second side wall 1113 is opposite to the fourth side wall 1115, the first side wall 1112 is provided with an air inlet 112, the third side wall 1114 is provided with a turbulence structure 113, and a plurality of turbulence protrusions 1131 of the turbulence structure 113 are arranged at intervals along the length direction of the third side wall 1114.
Optionally, the plurality of vortex protrusions 1131 are arranged at equal intervals along the length direction of the side wall, that is, the intervals between two adjacent vortex protrusions 1131 are the same, so that the large-scale vortex generated by the interaction of the air inlet flow and the wall surface impact of the air inlet cavity 111 and the like can be further restrained, better vortex effect is realized, the running quality of the fresh air module is further improved, and the user experience is improved. In other words, the third side wall 1114 of the air inlet cavity 111 is uniformly provided with a plurality of turbulence protrusions 1131 along the length direction thereof, so that the uniformity of the air inlet flow is better, the uniformity of the air flow at each position of the third side wall 1114 along the length direction is ensured, and the noise is further reduced.
Preferably, the heights of the turbulence protrusions 1131 are equal, and by setting the heights of the turbulence protrusions 1131 to be equal, the scattering heights of the air inlet flow are the same, so that the formed air flow is distributed uniformly, and the noise is further reduced.
Optionally, the cross section of the spoiler 1131 is triangular, rectangular, arched, trapezoidal or other shapes, and may be specifically set according to practical requirements. Illustratively, when the cross section of the spoiler protrusions 1131 is triangular, the plurality of spoiler protrusions 1131 arranged at intervals together form a saw-tooth structure. Preferably, as shown in fig. 5, the cross section of the turbulence protrusion 1131 is an isosceles triangle, the vertex angle alpha of the isosceles triangle is 25-35 degrees, the turbulence intensity can be controlled by controlling the magnitude of the vertex angle alpha, and the turbulence effect is best when the vertex angle alpha is 25-35 degrees; the height L of the isosceles triangle is 20-25 mm, and the length D of the bottom side of the isosceles triangle is 12-15 mm.
As shown, the air inlet 112 is provided with a nozzle sleeve 130, and the nozzle sleeve 130 has an air inlet channel communicated with the air inlet 112. The nozzle sleeve 130 is used for being connected with the fresh air pipe 300, so that outdoor fresh air enters the air inlet cavity 111 through the air inlet 112, and circulation of air is realized. Specifically, the nozzle sleeve 130 includes a cylindrical first connecting portion 131 and a horn-shaped second connecting portion 132, one end of the first connecting portion 131 is connected to one end of the second connecting portion 132, the other end of the second connecting portion 132 is connected to the air inlet 112, and the width of the second connecting portion 132 increases gradually from one end close to the first connecting portion 131 to one end far from the first connecting portion 131.
Optionally, the air outlet 122 is provided with an air outlet cover plate 140, the air outlet cover plate 140 is rotatably installed on the second volute 120 to open or close the air outlet 122, the fresh air flowing out of the air outlet 122 can be guided by the air outlet cover plate 140, and when the fresh air module does not work, the air outlet 122 can be closed by the air outlet cover plate 140, so that indoor air is prevented from flowing outdoors through the air outlet 122 to cause the indoor refrigeration or heating effect to be poor.
The embodiment of the utility model further provides a fresh air module, as shown in fig. 1-2, the fresh air module includes a fan 200 and a volute structure 100, the specific structure of the volute structure 100 refers to the above embodiment, the fan 200 is installed in an air outlet cavity 121 of the volute structure 100, and the fan 200 is used for sucking outdoor fresh air from an air inlet 112, passing through the air inlet cavity 111 and the air outlet cavity 121, and then blowing out the fresh air from an air outlet 122 into a room. Because the fresh air module adopts all the technical schemes of all the embodiments, the fresh air module at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted here.
By means of noise verification of the air inlet cavity 111 with the turbulence structure 113, compared with an air inlet cavity structure which is not optimized, the air inlet cavity 111 of the fresh air module is provided with the turbulence structure 113, so that the cavity tone quality of the air inlet cavity 111 is greatly improved, performance indexes can be met in the aspect of air quantity, the operation quality of the fresh air module is effectively improved, and user experience is improved.
Optionally, the fresh air module further includes a fresh air pipe 300, a guide ring 400 and a filter screen 500, wherein one end of the fresh air pipe 300 is connected with the air inlet 112 of the volute structure 100 to convey outdoor air into a room; the filter screen 500 is disposed between the first volute 110 and the fan 200, and is used for filtering sundries (such as dust, flies, etc.) in the outdoor fresh air so as to ensure the quality of the air entering the room; the guide ring 400 is arranged between the filter screen 500 and the fan 200, and the guide ring 400 is provided with an air inlet hole, and the air inlet cavity 111 is communicated with the air outlet cavity 121 through the air inlet hole. When outdoor fresh air enters the air inlet cavity 111 from the fresh air pipe 300 through the air inlet 112 of the first volute 110, then is filtered through the filter screen 500, and the filtered outdoor fresh air enters the air outlet cavity 121 of the second volute 120 through the air inlet hole on the guide ring 400, and finally is discharged into a room through the air outlet 122 on the second volute 120.
The embodiment of the utility model also provides a fresh air conditioner, which comprises an air conditioner body and a fresh air module, wherein the fresh air module is arranged on the air conditioner body according to the embodiment. Because the fresh air conditioner adopts all the technical schemes of all the embodiments, the fresh air conditioner at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first," "second," etc. may explicitly or implicitly include one or more features. The term "and/or" includes any and all combinations of one or more of the associated listed items.
The above describes the volute structure and the fresh air module provided by the embodiment of the present utility model in detail, and specific examples are applied to illustrate the principle and the implementation of the present utility model, and the description of the above embodiment is only used to help understand the method and the core idea of the present utility model; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present utility model, the present description should not be construed as limiting the present utility model in summary.
Claims (10)
1. The volute structure is characterized in that the volute structure (100) comprises a first volute (110) and a second volute (120) connected with the first volute (110), the first volute (110) is provided with an air inlet cavity (111) and an air inlet (112) communicated with the air inlet cavity (111), the second volute (120) is provided with an air outlet cavity (121) and an air outlet (122) communicated with the air outlet cavity (121), and the air outlet cavity (121) is communicated with the air inlet cavity (111) and forms an air channel; the air inlet cavity (111) and be provided with vortex structure (113) on the lateral wall that air intake (112) are relative, vortex structure (113) include a plurality of vortex protruding (1131), a plurality of vortex protruding (1131) are followed the length direction interval arrangement of lateral wall.
2. The volute structure of claim 1, wherein the air intake chamber (111) has a bottom wall (1111), a first side wall (1112), a second side wall (1113), a third side wall (1114), and a fourth side wall (1115), the first side wall (1112), the second side wall (1113), the third side wall (1114), and the fourth side wall (1115) being connected in sequence; the first side wall (1112) is arranged opposite to the third side wall (1114), the second side wall (1113) is arranged opposite to the fourth side wall (1115), the air inlet (112) is formed in the first side wall (1112), and the turbulence structure (113) is formed in the third side wall (1114).
3. The volute structure of claim 1, wherein the plurality of turbulence protrusions (1131) are equally spaced along the length of the sidewall; and/or the heights of a plurality of the turbulence protrusions (1131) are equal.
4. The volute structure of claim 1, wherein the cross-section of the spoiler protrusion (1131) is triangular, rectangular, arcuate or trapezoidal.
5. The volute structure of claim 4, wherein the cross section of the turbulence protrusion (1131) is an isosceles triangle, the apex angle α of the isosceles triangle is 25 ° to 35 °, the height L of the isosceles triangle is 20mm to 25mm, and the base length D of the isosceles triangle is 12mm to 15mm.
6. The volute structure of claim 1, wherein a nozzle sleeve (130) is provided at the air inlet (112), the nozzle sleeve (130) having an air inlet channel in communication with the air inlet (112).
7. The volute structure of claim 1, wherein a tuyere cover plate (140) is provided at the air outlet (122), the tuyere cover plate (140) being rotatably mounted on the second volute (120) to open or close the air outlet (122).
8. A fresh air module, characterized in that the fresh air module comprises a fan (200) and the volute structure (100) according to any one of claims 1-7, wherein the fan (200) is installed in an air outlet cavity (121) of the volute structure (100).
9. The fresh air module according to claim 8, further comprising a fresh air duct (300), wherein one end of the fresh air duct (300) is connected to the air inlet (112) of the volute structure (100).
10. A fresh air conditioner, which is characterized by comprising an air conditioner body and the fresh air module as claimed in claim 8 or 9, wherein the fresh air module is installed on the air conditioner body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321107262.9U CN219711884U (en) | 2023-05-09 | 2023-05-09 | Volute structure, fresh air module and fresh air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321107262.9U CN219711884U (en) | 2023-05-09 | 2023-05-09 | Volute structure, fresh air module and fresh air conditioner |
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| Publication Number | Publication Date |
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| CN219711884U true CN219711884U (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321107262.9U Active CN219711884U (en) | 2023-05-09 | 2023-05-09 | Volute structure, fresh air module and fresh air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117308180A (en) * | 2023-11-28 | 2023-12-29 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner |
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2023
- 2023-05-09 CN CN202321107262.9U patent/CN219711884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117308180A (en) * | 2023-11-28 | 2023-12-29 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner |
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