CN116241944A - Volute tongue structure, air conditioning module and air conditioning smoke machine - Google Patents

Abstract

The invention relates to a volute tongue structure, an air conditioning module and an air conditioning smoke machine. The volute tongue structure comprises a body and a plurality of guide plates. The body is provided with a guide surface, and the guide plates are arranged on the guide surface at intervals along the length direction of the body. Wherein, the two adjacent guide plates define a flow passage between them to guide the air flow flowing through the body. When the airflow passes through the guide surface of the body, the airflow passing channels formed by the guide plates arranged on the guide surface of the body at intervals can guide the airflow, so that the airflow can flow along the guide surface in an ideal direction. Therefore, on one hand, the flow deflector can effectively reduce the turbulence degree of the air flow blown to the body, avoid surging and reduce noise. On the other hand, when the air flow passes through the flow passage between the guide plates, the air flow is limited by the guide plates, so that the mixing of surrounding air flow can be effectively reduced, the obvious fluctuation of energy is avoided, and the noise is further reduced.

Description

Volute tongue structure, air conditioning module and air conditioning smoke machine

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a volute tongue structure, an air conditioning module and an air conditioning smoke machine.

Background

With the increasing demands of people for quality of life, air conditioning smoke machines are increasingly being used in kitchens. The air conditioner smoke machine not only can exhaust the oil smoke generated by cooking and purify the kitchen environment, but also can adjust the temperature of the kitchen and improve the cooking experience of a user in the kitchen.

When the air conditioner smoke machine starts to work, air generated by the fan is blown out through the air outlet, and in order to prevent the air from circularly flowing in the volute, a volute tongue is usually arranged at the air outlet so as to more fully guide the air flow out of the air outlet. However, the airflow, when flowing through the volute tongue, may impact the volute tongue, thereby generating noise. Moreover, the air outlet of the air conditioning smoke machine is often close to a cooking person, so that the negative influence caused by noise is more obvious.

Disclosure of Invention

In view of the above, it is desirable to provide a volute tongue structure, an air conditioning module, and an air conditioning ventilator that can reduce noise.

A volute tongue structure for an air conditioning module in a range hood air conditioner, the volute tongue structure comprising:

the body is provided with a flow guide surface; and

The guide plates are arranged on the guide surface at intervals along the length direction of the body;

wherein, every two adjacent deflectors are defined to form a flow passage channel between them to guide the air flow flowing through the body.

In the volute tongue structure, in the process that the airflow flows to the guide surface of the body, the airflow can be guided by the flow passage formed by the guide plates arranged on the guide surface of the body at intervals, so that the airflow can flow along the guide surface in an ideal direction. Therefore, on one hand, the flow deflector can effectively reduce the turbulence degree of the air flow blown to the body, avoid surging and reduce noise. On the other hand, when the air flow passes through the flow passage between the guide plates, the air flow is limited by the guide plates, so that the mixing of surrounding air flow can be effectively reduced, the obvious fluctuation of energy is avoided, and the noise is further reduced.

In one embodiment, the flow guiding surface includes a windward surface facing the wind wheel in the air conditioning module, an air supply surface facing the air outlet channel in the air conditioning module, and a transition curved surface smoothly connected between the windward surface and the air supply surface.

In one embodiment, the baffle includes a first top surface that is above a windward side;

and in the direction of pointing the transition curved surface to the windward side, the height of the first top surface relative to the guide surface gradually decreases.

In one embodiment, in the direction that the transition curved surface points to the windward side, the height decreasing slope of the first top surface relative to the diversion surface gradually decreases.

In one embodiment, the baffle further comprises a second top surface located at least partially above the transition surface;

and in the direction of the transition curved surface pointing to the air supply surface, the height of the second top surface relative to the guide surface gradually decreases.

In one embodiment, the second top surface is located within a spatially extending plane of the air-blowing surface.

In one embodiment, the baffle further includes a transition top surface, the transition top surface is smoothly connected between the first top surface and the second top surface, and one ends of the first top surface and the second top surface, which are far away from the transition top surface, are respectively and smoothly connected with the windward surface and the air supply surface.

An air conditioning module comprises the volute tongue structure.

In one embodiment, the air conditioning module further comprises an air duct housing and a wind wheel, wherein the volute tongue structure is arranged on the air duct housing, and defines an air duct cavity and an air outlet channel communicated with the air duct cavity together with the air duct housing, and the wind wheel is at least partially positioned in the air duct cavity.

An air conditioning smoke machine comprises the air conditioning module.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a portion of a hollow module according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the air conditioning module shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the air conditioning module shown in FIG. 1 at A-A;

FIG. 4 is an enlarged schematic view of the air conditioning module shown in FIG. 1 at C;

FIG. 5 is a schematic view of another angle structure of the air duct housing of the air conditioning module shown in FIG. 1;

fig. 6 is an enlarged schematic view of the duct housing shown in fig. 1 at E.

Reference numerals illustrate: 100. an air conditioning module; 10. a volute tongue structure; 11. a body; 13. a deflector; 30. an air duct housing; 50. a cross flow wind wheel; 71. an evaporation fin; 73. a mounting base; F. an air duct cavity; D. an air outlet channel; s, a diversion surface; s1, a windward side; s2, an air supply surface; s3, a transition curved surface; G. a flow-through channel; t1, a first top surface; t2, a second top surface; and T3, transitional top surface.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, an air conditioning ventilator (not shown) and an air conditioning module 100 according to an embodiment of the invention are provided. The air conditioning ventilator comprises an air conditioning module 100 and a ventilator module, wherein the air conditioning module 100 is used for purging cool air or hot air outwards to adjust the temperature of the external environment, and the ventilator module is used for sucking oil smoke generated by cooking and condensing the sucked oil smoke into liquid oil drops or directly discharging the oil smoke outdoors.

The air conditioning module 100 in an embodiment of the present invention includes a volute tongue structure 10, an air duct housing 30, and a wind wheel. The volute tongue structure 10 is arranged on the air duct shell 30, and together with the air duct shell 30, defines an air duct cavity F and an air outlet channel D communicated with the air duct cavity F, and the wind wheel is at least partially positioned in the air duct cavity F. The wind wheel can be a cross-flow wind wheel 50, and when the wind wheel rotates at a high speed, an eccentric vortex is formed in the air duct cavity F under the combined action of the air duct shell 30 and the volute tongue structure 10, so that a cross flow flowing from the air duct cavity F to the air outlet channel D is generated, and finally the air conditioner smoke is blown out. The volute tongue structure 10 can guide the airflow generated by the cross-flow wind wheel 50, so that the airflow can be sufficiently guided to the air outlet channel D.

The air conditioning module 100 further includes a housing (not shown), evaporation fins 71, and a mounting seat 73 for mounting the duct housing 30. The evaporation fin 71, the cross flow wind wheel 50, the air duct shell 30, the volute tongue structure 10 and the mounting seat 73 are all positioned in the shell, the shell is provided with an air inlet, the evaporation fin 71 is fixed above the cross flow wind wheel 50, after the cross flow is formed, air entering from the air inlet flows through the evaporation fin 71, exchanges heat with the evaporation fin 71, enters the air duct cavity F of the air duct shell 30, and finally flows out through the air outlet channel D. In addition, the air conditioning module 100 generally further includes a motor, a condensing assembly, a compressor, etc. for driving the wind wheel to rotate, which are not described herein.

Referring to fig. 3 to 5, the present invention further provides a volute tongue structure 10, which includes a main body 11 and a plurality of baffles 13. The main body 11 has a guide surface S (as shown in fig. 6), and the guide plates 13 are disposed on the guide surface S at intervals along the longitudinal direction of the main body 11 (corresponding to the left-right direction of fig. 3). Wherein, a flow passage G is defined between every two adjacent baffles 13 to guide the air flow flowing through the body 11.

The length direction of the body 11 is consistent with the length direction of the cross flow wind wheel 50, and the length of the body can be matched with the transverse air flow generated by the cross flow wind wheel 50. The guide plates 13 disposed along the length direction of the body 11 are perpendicular to the guide surface S, and a flow passage G (shown in fig. 6) having a guiding effect on the flow of the air flow is formed at intervals between two pairs. The through-flow air flow generated by the through-flow wind wheel 50 and blown to the volute tongue structure 10 flows to the guide surface S of the body 11 under the guidance of the guide plate 13, and then flows to other positions through the guide surface S. The number of the flow guide plates 11 may be determined according to the length of the body 11, and is not particularly limited herein, as long as the flow guide plates sufficiently cover the range of the lateral air flow generated by the cross-flow wind wheel 50.

In the above volute tongue structure 10, during the process of the airflow flowing to the guide surface S of the body 11, the airflow is guided by the through-flow channel G formed by the guide plates 13 disposed on the guide surface S of the body 11 at intervals, so that the airflow can flow along the guide surface S in an ideal direction. In this way, on the one hand, the baffle 13 can effectively reduce the turbulence degree of the air flow blown to the body 11, avoid surging and reduce noise. On the other hand, when the air flow passes through the flow passage G between the guide plates 13, the air flow is limited by the guide plates 13, so that the mixing of surrounding air flow can be effectively reduced, the obvious fluctuation of energy is avoided, and meanwhile, the air flow gradually releases the energy carried by the air flow in the flowing process, so that the noise is reduced. In addition, the smoothness and stability of the airflow at the volute tongue structure 10 are improved, and the air output of the final air conditioning module 100 can be indirectly improved.

In the present embodiment, the plurality of baffle plates 13 are arranged at equal intervals along the length direction of the body 11, and the thickness direction thereof coincides with the length direction of the body 11. In other words, the baffle plates 13 are arranged at equal intervals perpendicular to the longitudinal direction of the body 11. It will be appreciated that, in other embodiments, the angle between the baffle 13 and the longitudinal direction of the body 11 may be adaptively adjusted in consideration of the angle of the blades of the cross-flow wind wheel 50 and the actual direction of the generated airflow, which is not limited herein.

In some embodiments, the diversion surface S includes a windward surface S1 facing the wind wheel in the air conditioning module 100, a supply surface S2 facing the air outlet channel D in the air conditioning module 100, and a transition curved surface S3 smoothly connected between the windward surface S1 and the supply surface S2.

The windward side S1 and the air duct housing 30 together define an air duct cavity F, and the air supply side S2 and the air duct housing 30 together define an air outlet channel D. When the air flow formed by the wind wheel flows through the body 11, most of the air flow enters the air outlet channel D to flow along the air supply surface S2, and the other part of the air flow is blown to the windward surface S1. The transition curved surface S3 is smoothly connected with the windward side S1 and the air supply side S2, so that the flowing state is more stable when the air flow flows through the connection part, and the condition that the air flow is increased in fluctuation and disorder degree and noise is increased due to unstable transition is effectively avoided.

Further, the baffle 13 includes a first top surface T1, and the first top surface T1 is located above the windward side S1. In the direction in which the transition curved surface S3 points to the windward surface S1, the height of the first top surface T1 relative to the guide surface S gradually decreases.

The first top surface T1 being located above the windward side S1 means that the first top surface T1 is located above the windward side S1 in a direction perpendicular to itself. It is easy to see that the first top surface T1 located above the windward side S1 is also facing the wind wheel. In the process that part of the airflow generated by the wind wheel flows to the volute tongue structure 10 and gradually flows along the windward side S1 under the guidance of the guide plate 13, the included angle between the airflow and the windward side S1 is gradually reduced, the wind force is gradually attenuated along with the increase of the wind path, the effect of the guide plate 13 is reduced, and the height of the guide plate 13 is also reduced in an adaptive manner.

Further, in the direction that the transition curved surface S3 points to the windward surface S1, the height decreasing slope of the first top surface T1 relative to the guiding surface S gradually decreases.

The gradual decrease of the height decreasing slope of the first top surface T1 relative to the guide surface S is shown by the gradual decrease of the included angle between the tangent line of the first top surface T1 and the guide surface S. The first top surface T1 gradually and slowly decreases, so that the shape of the baffle 13 better conforms to the flow morphological characteristics of the air flow, and the gradual guiding of the air flow is realized in a relatively low height and a long distance.

In some embodiments, the baffle 13 further includes a second top surface T2, the second top surface T2 being at least partially above the transition surface S3. In the direction of the transition curved surface S3 pointing to the air supply surface S2, the height of the second top surface T2 relative to the guide surface S gradually decreases.

Similarly, the fact that the second top surface T2 is at least partially located above the transition curved surface S3 means that the second top surface T2 is partially or entirely located above the transition curved surface S3 in a direction perpendicular to the second top surface T2. In the process that part of the airflow generated by the wind wheel and flowing towards the volute tongue structure 10 gradually flows along the air supply surface S2 under the guidance of the guide plate 13, the direction of the airflow and the direction of the air supply surface S2 gradually tend to be consistent, the guide plate 13 can play a role and then be lowered, and the height of the airflow can be correspondingly and gradually lowered.

Further, the second top surface T2 is located in the spatially extended plane of the air supply surface S2.

The space extending surface of the air blowing surface S2 is a space surface where the extending portion should be located when the air blowing surface S2 is supposed to extend smoothly outward based on the conventional configuration.

The airflow impact on the windward side S1 is generally stronger than that on the air-blowing side S2, so that the baffle 13 can play a more remarkable role in the windward side S1 and the transition curved surface S3. In the case of the air blowing surface S2, the smooth transition of the air flow is only required. Based on this, the second top surface T2 is located entirely above the transition curved surface S3, and is located in the spatially extended surface of the air blowing surface S2 in a neighboring connection relationship with the air blowing surface S2. In this way, the guide plate 13 guides the airflow entering the air outlet channel D at the transition curved surface S3. In addition, because the space continuity of the second top surface T2 and the air supply surface S2 is strong, the original structure form of the air outlet channel D is not obviously changed, excessive influence of the air deflector 13 on the air outlet channel D can be avoided, and sufficient air outlet is ensured.

Furthermore, the baffle 13 further comprises a transition top surface T3, the transition top surface T3 is smoothly connected between the first top surface T1 and the second top surface T2, and one ends of the first top surface T1 and the second top surface T2, which are far away from the transition top surface T3, are respectively and smoothly connected with the windward side S1 and the air supply side S2.

The transition top surface T3 helps the first top surface T1 and the second top surface T2 to realize smooth transition, and likewise, the first top surface T1 and the second top surface T2 are connected with the windward surface S1 and the air supply surface S2 in the same smooth way, so that the airflow can flow more smoothly, and the strong fluctuation of the flowing state caused by sudden change of the morphology is avoided, and the noise can be avoided.

The baffle 13 is generally humped with high middle and low sides, and the highest point of the baffle 13 relative to the guide surface S exists on the transitional top surface T3, and the height of the baffle 13 gradually decreases from the highest point to the two sides. In the process that the air flow generated by the wind wheel is most disturbed at the position of the transition top surface T3 with the highest relative position and flows towards the windward side S1 and the air supply side S2 respectively, the wind force is gradually attenuated along with the increase of the wind path, and the height of the guide plate 13 can be adaptively reduced until the air flow is guided to flow towards the windward side S1 and the air supply side S2 respectively. In this way, the energy of the air flow is slowly released under the guidance of the deflector 13, so as to achieve the effect of eliminating noise.

In this embodiment, the windward side S1 and the air supply side S2 are planes intersecting with each other in space, and the second top side T2 is a plane connected with the air supply side S2 in a coplanar manner. The included angle between the windward side S1 and the horizontal plane is 40-70 degrees, and the included angle between the windward side S1 and the air supply side S2 is 60-100 degrees. Preferably, the included angle between the windward side S1 and the horizontal plane is 56 °, and the included angle between the windward side S1 and the air supply side S2 is 85 °. It will be appreciated that in other embodiments, the shapes of the windward side S1 and the air supply side S2 may be adaptively adjusted according to the requirements of the airflow flowing state, and the windward side S1 and the air supply side S2 may be configured as curved surfaces or a combination of flat surfaces and curved surfaces, for example, concave air suction structures are formed on the air supply side S2 to enhance the adsorption capability to the airflow, avoid the airflow from being separated from the air supply side S2 prematurely, and the like, which is not limited herein.

In some embodiments, the maximum height of the transition top surface T3 relative to the flow guiding surface S, i.e. the height of the highest point, is 5mm-8mm. Specifically, the interval between the tangent line of the transition top surface T3 in the vertical direction and the transition curved surface S3 in the vertical direction may be 6.4mm. The baffle 13 having such a height transition top surface T3 can effectively resist and guide the air flow, and achieve the effect of reducing turbulence of the air flow and slowly releasing energy thereof before the air flow blows onto the flow guide surface S, so as to reduce the impact of the air flow on the body 11.

In some embodiments, the body 11 of the volute tongue structure 10 is a hollow structure. The hollow structure can effectively reduce the weight of the body 11, and is beneficial to the realization of light weight of the air conditioning module 100.

In some embodiments, the minimum clearance between the volute tongue structure 10 and the wind wheel is 4.8mm-6.8mm, and the minimum clearance between the air duct housing 30 and the wind wheel is 3mm-4mm.

In some embodiments, the maximum height of the transitional top surface T3 of the baffle 13 relative to the baffle surface S is 5mm-8mm. The thickness of the guide plates 13 is 1.5mm-2.5mm, and the interval between the adjacent guide plates 13 is 1.5mm-2.5mm.

In this embodiment, the minimum gap between the volute tongue structure 10 and the cross-flow wind wheel 50 is 5.8mm, and the minimum gap between the air duct housing 30 and the cross-flow wind wheel 50 is 3.5mm. The thickness of the baffle 13 is 2mm, and the interval between adjacent baffles 13 is 2mm. The baffle 13 of such a size can exert a noise reduction function on the premise of ensuring the wind power. In other embodiments, the thickness of the baffles 13 may also be 1.5mm, 1.8mm, 2.3mm, 2.5mm, etc., and the gap between adjacent baffles 13 may also be 1.5mm, 1.8mm, 2.3mm, 2.5mm, etc. It will be appreciated that the size of the baffle 13 and the spacing between adjacent baffles 13 may be adaptively adjusted according to factors such as the overall size of the structure, the strength of wind generated by the cross-flow rotor 50, and the like, and is not particularly limited herein.

The air conditioning ventilator has a ventilator module for pumping oil smoke and an air conditioning module 100 for adjusting the ambient temperature. The air conditioning module 100 includes a housing with an air inlet, an evaporation fin 71, a through-flow fan, an air duct housing 30, a mounting seat 73, and the like, wherein the evaporation fin 71, the through-flow fan, the air duct housing 30, and the mounting seat 73 are all located in the housing, the air duct housing 30 is mounted on the mounting seat 73, and the volute tongue structure 10 is mounted on the air duct housing 30 and forms an air duct cavity F and an air outlet channel D communicated with the air duct cavity F together with the air duct housing 30. The cross flow wind wheel 50 rotates at high speed in the air channel cavity F to form eccentric vortex, and generates a cross flow which is sucked at the air inlet and is discharged through the air outlet channel D. When the through-flow air flows through the volute tongue structure 10, a part of the air flow entering the air flow channel G between the guide plates 13 is guided to the air outlet channel to flow along the air supply surface S2, and a part of the air flow gradually flows along the windward surface S1 under the guidance of the air flow channel G. In this way, the turbulence degree of the air flow blown to the volute tongue structure 10 is greatly reduced under the guidance of the guide plate 13, and the surge is effectively controlled. The mixing of the surrounding air flow is effectively reduced under the restriction of the deflector 13, and the energy fluctuation is reduced, which can play a role in reducing noise. In addition, the energy of the air flow is gradually released in the process of flowing under the guidance of the deflector 13, so as to achieve the purpose of eliminating noise.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. A volute tongue structure for an air conditioning module in a range hood air conditioner, the volute tongue structure (10) comprising:

a main body (11) having a flow guide surface (S); and

A plurality of guide plates (13) which are arranged on the guide surface (S) at intervals along the length direction of the body (11);

wherein a flow passage (G) is defined between each adjacent two of the deflectors (13) to guide the air flow passing through the body (11).

2. A volute tongue structure according to claim 1, wherein the flow guiding surface (S) comprises a windward surface (S1) facing a wind wheel in the air conditioning module (100), a wind blowing surface (S2) facing a wind outlet channel (D) in the air conditioning module (100), and a transition surface (S3) smoothly connected between the windward surface (S1) and the wind blowing surface (S2).

3. A volute tongue structure according to claim 2, characterized in that the baffle (13) comprises a first top surface (T1), the first top surface (T1) being located above the windward side (S1);

in the direction of the transition curved surface (S3) pointing to the windward side (S1), the height of the first top surface (T1) relative to the diversion surface (S) gradually decreases.

4. A volute tongue structure according to claim 3, wherein the slope of the decrease in height of the first top surface (T1) relative to the guide surface (S) decreases gradually in the direction of the transition surface (S3) pointing towards the windward surface (S1).

5. A volute tongue structure according to claim 3, wherein the baffle (13) further comprises a second top surface (T2), the second top surface (T2) being at least partially above the transition curve (S3);

in the direction of the transition curved surface (S3) pointing to the air supply surface (S2), the height of the second top surface (T2) relative to the flow guide surface (S) gradually decreases.

6. A volute tongue structure according to claim 5, characterized in that the second top surface (T2) is located in a spatially extending plane of the air supply surface (S2).

7. A volute tongue structure according to claim 5, wherein the baffle (13) further comprises a transitional top surface (T3), the transitional top surface (T3) is smoothly connected between the first top surface (T1) and the second top surface (T2), and one ends of the first top surface (T1) and the second top surface (T2) away from the transitional top surface (T3) are respectively smoothly connected with the windward surface (S1) and the air supply surface (S2).

8. An air conditioning module, characterized in that the air conditioning module (100) comprises a volute tongue structure (10) according to any one of claims 1-7.

9. The air conditioning module according to claim 8, wherein the air conditioning module (100) further comprises an air duct housing (30) and a wind wheel, the volute tongue structure (10) is arranged on the air duct housing (30) and defines an air duct cavity (F) and an air outlet channel (D) communicated with the air duct cavity (F) together with the air duct housing (30), and the wind wheel is at least partially positioned in the air duct cavity (F).

10. An air conditioning hood, characterized in that it comprises an air conditioning module (100) according to any one of claims 8 or 9.

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