Volute assembly and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, and discloses a volute assembly and an air conditioner. The volute assembly comprises a volute defining an air duct; the flow guide ribs are arranged on the inner wall face of the volute and comprise one or more first flow guide ribs, and at least one first flow guide rib is located in the middle of the volute in the length direction. When air in the air duct flows to the first flow guide ribs, the first flow guide ribs can rectify the air, so that airflow in the air duct is roughly and uniformly distributed in the length direction of the volute, the position of an eccentric vortex is relatively stable, the eccentric vortex is prevented from moving, air return is avoided, and noise is reduced. And by arranging the first flow guide ribs, the cost is low, and implementation is easy.

Description

TECHNICAL FIELD

[0001] The present application relates to the air conditioning technical field, and particularly relates to a volute assembly and an air conditioner. BACKGROUND

[0002] At present, during operation of an air conditioner indoor unit, the off-center vortex position deviates from the original position, causing wheezing, poor anti-static pressure, and more serious wheezing in the case of a tubular fan used in the indoor unit.

[0003] Therefore, the related art uses the method of increasing the diameter of the fan or changing the fan blade type to solve the high static pressure problem.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] The method of increasing the diameter of the fan or changing the blade type increases the cost and increases the noise under the same conditions.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. Utility Model Content

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not a general review, nor is it intended to determine key / important components or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0008] The embodiments of the present disclosure provide a volute assembly and an air conditioner to solve the problem that the method of increasing the diameter of the fan or changing the blade type in the related art increases the cost and increases the noise under the same conditions.

[0009] According to a first aspect of the embodiments of the present application, a volute assembly is provided, comprising: a volute defining an air duct; and a guide rib provided on an inner wall surface of the volute, the guide rib comprising a first guide rib, the number of the first guide rib being one or more, and at least one first guide rib being located at the middle of the length direction of the volute.

[0010] Optionally, the number of the first guide rib is a plurality, and the plurality of first guide ribs are sequentially arranged along the length direction of the volute; wherein the plurality of first guide ribs are respectively located on the opposite sides of the at least one first guide rib and / or the distance between adjacent two first guide ribs is greater than or equal to 30mm and less than or equal to 120mm.

[0011] Optionally, the volute comprises: a first shell segment; a second shell segment, which is arranged opposite to the first shell segment, and the first shell segment and the second shell segment constitute side walls in the length direction of the air duct; wherein the inner wall surface of the first shell segment and / or the second shell segment is provided with the first flow guide ribs.

[0012] Optionally, the first flow guide ribs located at the first shell segment are arranged correspondingly to the first flow guide ribs located at the second shell segment.

[0013] Optionally, H≤1 / 3L, wherein H is the height of the first flow guide rib, and L is the distance between the first shell segment and the second shell segment at the position where the first flow guide rib is located.

[0014] Optionally, the volute comprises: a third shell segment; a fourth shell segment, which is arranged opposite to the third shell segment, and the third shell segment and the fourth shell segment constitute side walls in the width direction of the air duct; the flow guide rib further comprises second flow guide ribs, which are arranged on the inner wall surface of the third shell segment and / or the fourth shell segment.

[0015] Optionally, the second flow guide ribs of the third shell segment are arranged correspondingly to the second flow guide ribs of the fourth shell segment.

[0016] Optionally, the flow guide rib extends along the flow direction of the airflow in the air duct.

[0017] Optionally, the flow guide rib comprises a first end portion and a second end portion arranged in sequence along the flow direction of the airflow, and along the flow direction of the airflow in the air duct, the first end portion is inclined towards the direction close to the air duct axis and / or the second end portion is inclined towards the direction away from the air duct axis.

[0018] According to the second aspect of the embodiment of the present application, an air conditioner is provided, comprising an indoor unit, the indoor unit comprising: the volute assembly according to any one of the above embodiments; a cross-flow fan and a heat exchanger, the air duct being communicated between the cross-flow fan and the heat exchanger, and along the flow direction of the airflow in the air duct, the cross-flow fan and the evaporator are arranged in sequence.

[0019] The volute assembly and the air conditioner provided by the embodiments of the present application can achieve the following technical effects:

[0020] The first flow guide rib is located in the air duct, and at least one first flow guide rib is located in the middle part of the length direction of the volute, when the air in the air duct flows to the first flow guide rib, the first flow guide rib can regulate the air flow, so that the airflow in the air duct is distributed approximately uniformly along the length direction of the volute, so that the eccentric vortex position is relatively stable, preventing the eccentric vortex from moving, avoiding the return air, thereby reducing the noise. Moreover, the way of arranging the first flow guide rib is low in cost and easy to implement.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are illustrated by way of example in the figures that are not intended to be limiting of the embodiments. Like numbers refer to like elements throughout the drawings, which are not necessarily to scale, and in which:

[0023] Figure 1 is a structural schematic diagram of an indoor unit provided by an embodiment of the present disclosure;

[0024] Figure 2 is Figure 1 is a sectional view of A-A in FIG. 1;

[0025] Figure 3 is Figure 2 is an enlarged structural schematic diagram of A in FIG. 1;

[0026] Figure 4 is a structural schematic diagram of another indoor unit provided by an embodiment of the present disclosure;

[0027] Figure 5 is a structural schematic diagram of a part of an indoor unit provided by an embodiment of the present disclosure;

[0028] Figure 6 is a structural schematic diagram of an indoor unit without an evaporator provided by an embodiment of the present disclosure;

[0029] Figure 7 is a structural schematic diagram of another indoor unit provided by an embodiment of the present disclosure;

[0030] Figure 8 is Figure 7 is an enlarged structural schematic diagram of B in FIG. 2;

[0031] Figure 9 is a structural schematic diagram of a volute tongue provided by an embodiment of the present disclosure.

[0032] Reference signs:

[0033] 10: volute; 101: first shell segment; 1011: first sub-shell segment; 1012: second sub-shell segment; 1013: third sub-shell segment; 102: pressure relief channel; 103: flow guide rib; 1031: first flow guide rib; 1032: second flow guide rib; 104: second shell segment; 105: third shell segment; 106: fourth shell segment; 107: first end portion; 108: second end portion; 109: air duct;

[0034] 20: volute tongue; 201: pressure relief area; 2011: pressure relief hole; 202: non-pressure relief area; 203: buckle; 204: first segment; 205: second segment; 206: sound attenuation cavity; 207: bend; 2071: first end; 2072: second end; 208: third end portion; 209: fourth end portion;

[0035] 30: cross-flow fan;

[0036] 40: housing; 401: air inlet; 402: air outlet; 403: accommodating cavity;

[0037] 50: evaporator. DETAILED DESCRIPTION

[0038] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0039] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above-described drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0040] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0041] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0042] Unless otherwise specified, the term "a plurality of" means two or more.

[0043] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the preceding and following objects. For example, A / B represents: A or B.

[0044] The term "and / or" is a description of the association relationship between objects, which means that there can be three relationships. For example, A and / or B, which means: A or B, or, A and B, three relationships.

[0045] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0046] In combination Figures 1-9 As shown in the accompanying drawings, the present disclosure provides a duct for an air conditioner.

[0047] The air conditioner includes an indoor unit and an outdoor unit, and the indoor unit includes a casing 40, a duct, a cross-flow fan 30, and a heat exchanger.

[0048] As Figure 1 and Figure 2 shown, the casing 40 defines a receiving cavity 403 having an air inlet 401 and an air outlet 402; the duct includes a volute assembly, and the volute assembly includes a volute 10, and the volute 10 defines an air duct 109.

[0049] One end of the air duct 109 is in communication with the air inlet 401, and the other end of the air duct 109 is in communication with the air outlet 402.

[0050] As Figure 2 shown, the cross-flow fan 30 and the heat exchanger are arranged in the receiving cavity 403, and the air duct 109 is communicated between the cross-flow fan 30 and the heat exchanger. Under the action of the cross-flow fan 30, air enters from the air inlet 401, exchanges heat with the heat exchanger, and then flows out through the air outlet 402, realizing the normal work of the air conditioner.

[0051] Along the direction of airflow in the air duct 109, the cross-flow fan 30 and the evaporator 50 are arranged in sequence. That is, the cross-flow fan 30 is arranged close to the air inlet 401, so that when the indoor unit fails, the cross-flow fan 30 can be maintained and repaired from the air inlet 401, improving the maintenance convenience of the ducted air conditioner. The heat exchanger is arranged close to the air outlet 402, which will increase the resistance of the heat exchanger to the airflow, and the front end of the air outlet 402 will form a backflow vortex under the influence of resistance, causing abnormal sound, and further affecting the user's experience.

[0052] As Figure 3 and Figure 6As shown, the air duct member further comprises a volute tongue 20. The volute tongue 20 is arranged in the air duct 109, and the volute tongue 20 comprises a first section 204 and a second section 205, which are arranged in sequence along the direction of airflow in the air duct 109, and the connection between the first section 204 and the second section 205 forms a bend 207 towards the axis of the air duct 109.

[0053] The pressure relief hole 2011 is arranged in the second section 205.

[0054] The pressure relief hole 2011 is arranged in the second section 205 of the volute tongue 20, and the high pressure vortex flow in the air duct 109 can be discharged through the pressure relief hole 2011 to achieve pressure relief, so that the airflow in the entire air duct 109 becomes relatively smooth, the position of the eccentric vortex becomes relatively stable, the turbulence is reduced, and thus the noise is reduced.

[0055] In the present application, the pressure relief hole 2011 is arranged in the second section 205, the first section 204 is a complete solid structure without the pressure relief hole 2011, and the bend is also a complete solid structure without the pressure relief hole. Compared with the first section 204, the second section 205 is closer to the heat exchanger, so arranging the pressure relief hole 2011 on the second section 205 is more effective for pressure relief. If the pressure relief hole 2011 is arranged on the first section 204, the pressure relief effect is not obvious, and a large amount of air in the air duct 109 will be discharged through the pressure relief hole 2011 to affect the air volume of the indoor unit.

[0056] Optionally, as shown, Figure 9 The distance L2 between the pressure relief hole 2011 and the bend 207 is greater than or equal to 5 mm and less than or equal to 15 mm.

[0057] When the distance between the pressure relief hole 2011 and the bend 207 is less than 5 mm, the pressure relief hole 2011 is too far from the heat exchanger, the pressure relief effect is not obvious, and the influence on the air volume of the indoor unit is large, under the condition that the area of the pressure relief hole 2011 is constant. When the distance between the pressure relief hole 2011 and the bend 207 is greater than 15 mm, under the condition that the size of the volute tongue 20 is constant, the area available for arranging the pressure relief hole 2011 on the second section 205 is limited, and the total area of the pressure relief hole 2011 cannot meet the requirement. Therefore, the distance between the pressure relief hole 2011 and the bend 207 is greater than or equal to 5 mm and less than or equal to 15 mm, for example, 5 mm, 8 mm, 11 mm or 15 mm.

[0058] The distance between the pressure relief hole 2011 and the bending 207 refers to the distance between the closest one of the pressure relief holes 2011 to the bending 207 and the closest end of the bending 207 to the pressure relief hole 2011. For example, when the bending 207 is in an arc shape (e.g., a circular arc shape), a first end 2071 of the arc shape is connected to the first section 204, a second end 2072 of the arc shape is connected to the second section 205, and the distance between the pressure relief hole 2011 and the bending 207 refers to the distance between the closest one of the pressure relief holes 2011 to the second end of the arc shape.

[0059] Optionally, as shown in Figure 6 the second section 205 includes a pressure relief area 201 and a non-pressure relief area 202, which are sequentially and spaced apart along the length direction of the volute tongue 20, and the pressure relief hole 2011 is arranged in the pressure relief area 201.

[0060] The pressure relief area 201 is provided with the pressure relief hole 2011, and the non-pressure relief area 202 is not provided with the pressure relief hole 2011. In this way, when the airflow in the air duct 109 impacts the volute tongue 20, the airflow reaches the pressure relief area 201 and the non-pressure relief area 202 at different times, which can effectively avoid the resonance peak caused by the superposition of the same frequency band pulses, thereby further reducing the noise value.

[0061] The number of the pressure relief area 201 and the non-pressure relief area 202 is multiple, and the multiple pressure relief areas 201 and the multiple non-pressure relief areas 202 are sequentially and spaced apart along the length direction of the volute tongue 20 on the second section 205.

[0062] The number of the pressure relief area 201 and the non-pressure relief area 202, and the size of the pressure relief area 201 and the non-pressure relief area 202 can be flexibly set in actual application, and are not limited herein.

[0063] Optionally, a plurality of pressure relief holes 2011 are arranged in each pressure relief area 201, and at least two pressure relief holes 2011 are sequentially arranged along the length direction of the volute tongue 20 (e.g., the direction shown by W in Figure 9 Optionally, at least two pressure relief holes 2011 are sequentially arranged along the flow direction of the airflow in the air duct 109.

[0064] A plurality of pressure relief holes 2011 are arranged in each pressure relief area 201, the plurality of pressure relief holes 2011 are divided into multiple groups, each group of pressure relief holes 2011 includes a plurality of pressure relief holes 2011, the plurality of pressure relief holes 2011 in each group are sequentially arranged along the length direction of the volute tongue 20, and the plurality of pressure relief holes 2011 are sequentially arranged along the flow direction of the airflow, so that the plurality of pressure relief holes 2011 are arranged in the pressure relief area 201 in an orderly manner. In this way, when the airflow in the air duct 109 passes through the pressure relief area 201, the airflow can be evenly relieved, the airflow is uniform, and the noise is reduced.

[0065] The pressure relief hole 2011 can be a circular hole or any other shape. The specific shape, size, and number of pressure relief holes 2011 in each pressure relief area 201 can be flexibly set in actual applications, and are not limited herein.

[0066] Optionally, as shown in Figure 5 The volute 10 includes a first shell segment 101, and the volute tongue 20 is arranged on the first shell segment 101 and located on a side of the first shell segment 101 facing the axis of the air duct 109. The first shell segment 101 is provided with a pressure relief passage 102 in communication with the pressure relief hole 2011.

[0067] The volute 10 includes a first shell segment 101, and the volute tongue 20 is arranged on the first shell segment 101 and located on a side of the first shell segment 101 facing the axis of the air duct 109. The first shell segment 101 is provided with a pressure relief passage 102 in communication with the pressure relief hole 2011. Figure 7 and Figure 8 As shown in the figures, the second shell segment 1012 is provided with a pressure relief passage 102. The pressure relief passage 102 is in the shape of a long strip. The number of pressure relief passages 102 is one or more. The pressure relief passage 102 corresponds to one or more pressure relief holes 2011.

[0068] The pressure relief passage 102 is in communication with the pressure relief hole 2011 on the volute tongue 20, so that the air flowing out of the pressure relief hole 2011 is discharged through the pressure relief passage 102, making the airflow in the air duct 109 more smooth, the position of the eccentric vortex relatively stable, reducing turbulence, and thus reducing noise.

[0069] One pressure relief area 201 can correspond to one or more pressure relief passages 102. The orthographic projection of the pressure relief hole 2011 on the pressure relief passage 102 is at least partially located in the pressure relief passage 102, so that the pressure relief hole 2011 is in communication with the pressure relief passage 102.

[0070] The specific number and shape of the pressure relief passage 102 can be flexibly set in actual applications, and are not limited herein.

[0071] Optionally, the pressure relief passage 102 is in communication with the air inlet 401.

[0072] The pressure relief channel 102 is located at the second sub-shell segment 1012, and the air inlet 401 corresponds to the cross-flow fan 30. After the airflow in the air duct 109 is discharged through the pressure relief hole 2011, the airflow is discharged from the air inlet 401 through the pressure relief channel 102, so that the airflow in the air duct 109 can be smoothly discharged from the pressure relief hole 2011 in time.

[0073] Optionally, as shown in Figure 8 The volute tongue 20 is provided with a buckle 203, and the buckle 203 is clamped with the pressure relief channel 102.

[0074] The buckle 203 extends towards the pressure relief channel 102, the buckle 203 is inserted into the pressure relief channel 102 and penetrates out of the pressure relief channel 102, the buckle 203 abuts against the side of the pressure relief channel 102 away from the volute tongue 20, so as to clamp the buckle 203 with the pressure relief channel 102, so that the volute tongue 20 is connected with the volute 10, and the use of the pressure relief channel 102 can be increased in this way. The connection form of the buckle 203 is stable, convenient to disassemble and assemble, and the disassembly and assembly efficiency can be improved.

[0075] The production cost of the volute tongue 20 and the volute 10 is reduced by the detachable volute tongue 20. Moreover, the volute tongue 20 is detachable, and the volute tongue 20 and the volute 10 are convenient to overhaul and replace.

[0076] Optionally, as shown in Figure 3 The volute 10 comprises a first shell segment 101, the volute tongue 20 is arranged at the first shell segment 101 and located at the side of the first shell segment 101 facing the axis of the air duct 109, and the volute tongue 20 and the first shell segment 101 define a sound attenuation cavity 206.

[0077] The second sub-shell segment 1012 and the volute tongue 20 define the sound attenuation cavity 206, i.e. a Helmholtz resonance sound attenuation cavity 206. The noise is reduced by the arrangement of the sound attenuation cavity 206, the cross section of the sound attenuation cavity 206 is similar to a triangle, the sound attenuation cavity 206 has simple structure, good sound attenuation performance and small pressure loss.

[0078] Optionally, as shown in Figure 2 The volute assembly further comprises a flow guide rib 103 arranged at the inner wall surface of the volute 10, wherein, along the flow direction of the airflow in the air duct 109, the volute tongue 20 is arranged upstream of the flow guide rib 103, and the direction close to the axis of the air duct 109 is inside, and the direction away from the axis of the air duct 109 is outside.

[0079] The volute tongue 20 and the flow guide rib 103 are arranged along the flow direction of the airflow in the air duct 109. The flow guide rib 103 rectifies the airflow after passing through the volute tongue 20, so that the eccentric vortex position is relatively stable, the eccentric vortex is prevented from moving, air return is avoided, and noise is reduced.

[0080] The guide vanes 103 include first guide vanes 1031, the number of the first guide vanes 1031 is one or more, and at least one first guide vane 1031 is located in the middle of the length direction of the volute 10.

[0081] When the air in the air duct 109 flows to the first guide vanes 1031, the first guide vanes 1031 can straighten the air flow, and the first guide vanes 1031 located in the middle of the length direction of the volute 10 (such as the direction indicated by M) can cause the air flow in the air duct 109 to be divided into two parts on both sides of the first guide vanes 1031, so that the air flow in the air duct 109 is distributed approximately uniformly along the length direction of the volute 10, so that the eccentric vortex position is relatively stable, preventing the eccentric vortex from moving, avoiding the return of air, thereby reducing noise. Moreover, the way of setting the first guide vanes 1031 is low in cost and easy to implement. Among them, as shown in N, two first guide vanes are located in the middle of the length direction of the volute. Figure 5 Figure 6

[0082] Optionally, as shown in E, the number of the first guide vanes 1031 is multiple, and the multiple first guide vanes 1031 are sequentially arranged along the length direction of the volute 10; wherein the multiple first guide vanes 1031 are respectively located on the opposite sides of the at least one first guide vane 1031. Figure 6

[0083] The two ends of the volute tongue 20 in the length direction are respectively a third end 208 and a fourth end 209, and part of the multiple first guide vanes 1031 are located between the third end 208 or the third end 208 and the middle of the length direction of the volute 10, and part of the multiple first guide vanes 1031 are located between the fourth end 209 or the fourth end 209 and the middle of the length direction of the volute 10. In this way, the first guide vanes 1031 are approximately uniformly distributed along the length direction of the volute tongue 20, thereby straightening the air flow in the air duct 109, so that the air flow in the air duct 109 is approximately uniformly distributed along the length direction of the volute tongue 20.

[0084] As shown in F, the distance L1 between the adjacent two first guide vanes 1031 is greater than or equal to 30 mm and less than or equal to 120 mm. Figure 6 If the distance between the adjacent two first guide vanes 1031 is less than 30 mm, the density of the first guide vanes 1031 is too large, which can cause a large resistance to the flow of the air flow in the air duct 109; if the distance between the adjacent two first guide vanes 1031 is greater than 120 mm, the density of the first guide vanes 1031 is too small, and the straightening effect of the first guide vanes 1031 is not obvious.

[0085]

[0086] ​​​​Therefore, the distance L1 between two adjacent first guide ribs 1031 is set to be greater than or equal to 30mm and less than or equal to 120mm, such as 30mm, 60mm, 90mm or 120mm, which ensures the rectification effect of the first guide ribs 1031 on the airflow in the air duct 109 without causing large wind resistance.

[0087] Optionally, the volute 10 includes a first shell segment 101, a second shell segment 104, a third shell segment 105, and a fourth shell segment 106.

[0088] The second shell section 104 is disposed opposite to the first shell section 101, and the first shell section 101 and the second shell section 104 form the sidewall of the air duct 109 in the length direction (the same as the length direction of the volute tongue 20); the fourth shell section 106 is disposed opposite to the third shell section 105, and the third shell section 105 and the fourth shell section 106 form the sidewall of the air duct 109 in the width direction.

[0089] The third shell segment 105 is connected between one end of the first shell segment 101 and one end of the second shell segment 104, and the fourth shell segment 106 is connected between the other end of the first shell segment 101 and the other end of the second shell segment 104.

[0090] like Figure 5 As shown, the first shell segment 101 is located below the second shell segment 104.

[0091] The inner wall surface of the first shell section 101 and / or the second shell section 104 is provided with a first guide rib 1031.

[0092] The first guide rib 1031 is provided on the first shell section 101 and / or on the second shell section 104, which can rectify the airflow in the air duct 109.

[0093] When a first guide rib 1031 is provided on the first shell section 101, at least one first guide rib 1031 is located at the middle of the length direction of the first shell section 101 (i.e., the length direction of the volute 10); when a first guide rib 1031 is provided on the second shell section 104, at least one first guide rib 1031 is located at the middle of the length direction of the second shell section 104 (i.e., the length direction of the volute 10). The length direction of the volute tongue 20 is the same as the length direction of the volute 10.

[0094] Optionally, such as Figure 6 As shown, when both the first shell section 101 and the second shell section 104 are provided with first guide ribs 1031, the first guide ribs 1031 located in the first shell section 101 are correspondingly provided with the first guide ribs 1031 located in the second shell section 104.

[0095] For example, the first guide fin 1031 on the first shell segment 101 has a front projection on the second shell segment 104 that at least partially overlaps the first guide fin 1031 on the second shell segment 104, so that the first guide fin 1031 on the first shell segment 101 and the first guide fin 1031 on the second shell segment 104 can work together to enhance the flow regulation effect on the airflow and avoid airflow turbulence in the air duct.

[0096] Optionally, as shown in Figure 6 H≤1 / 3L, where H is the height of the first guide fin 1031, and L is the distance between the first shell segment 101 and the second shell segment 104 at the position of the first guide fin 1031.

[0097] H is greater than 0 and less than or equal to one-third of L. If H is greater than one-third of L, the first guide fin 1031 will have too large a protruding height, and the first guide fin 1031 will cause too much wind resistance.

[0098] Optionally, as shown in Figure 5 and Figure 6 The guide fin 103 further includes a second guide fin 1032 provided on the inner wall surface of the third shell segment 105 and / or the fourth shell segment 106, where the direction close to the axis of the air duct 109 is the inner direction, and the direction away from the axis of the air duct 109 is the outer direction.

[0099] The second guide fin 1032 can further comb and regulate the airflow flowing through it (the second guide fin 1032), so that the airflow flowing in the air duct 109 is more uniform.

[0100] Optionally, the second guide fin 1032 of the third shell segment 105 is correspondingly arranged with the second guide fin 1032 of the fourth shell segment 106.

[0101] The distance between the second guide fin 1032 on the third shell segment 105 and the second guide fin 1032 on the fourth shell segment 106 is greater than the distance between the first guide fin 1031 on the first shell segment 101 and the first guide fin 1031 on the second shell segment 104, so that the second guide fin 1032 of the third shell segment 105 is correspondingly arranged with the second guide fin 1032 of the fourth shell segment 106, which can guide and comb the airflow in the same direction, and the guiding effect on the airflow is stronger than when the second guide fin 1032 of the third shell segment 105 and the second guide fin 1032 of the fourth shell segment 106 are staggered.

[0102] Optionally, as shown in Figure 5 The guide fin 103 extends along the flow direction of the airflow in the air duct 109.

[0103] When the airflow passes through the guide rib 103, the guide rib 103 can organize the airflow and guide the airflow to flow along the extension direction of the guide rib 103. On the one hand, it can rectify the airflow, and on the other hand, it can reduce the wind resistance caused by the setting of the guide rib 103.

[0104] The first guide rib 1031 and / or the second guide rib 1032 extend along the flow direction of the airflow within the duct 109. For example... Figure 5 As shown, the first guide rib 1031 and the second guide rib 1032 both extend along the flow direction of the airflow in the air duct 109.

[0105] Optionally, such as Figure 5 As shown, the guide rib 103 includes a first end 107 and a second end 108 arranged sequentially along the airflow direction. Along the airflow direction in the air duct 109, the first end 107 is inclined toward the direction close to the axis of the air duct 109 and / or the second end 108 is inclined toward the direction away from the axis of the air duct 109.

[0106] The inclination of the first end 107 and / or the second end 108 can guide the airflow and reduce the wind resistance of the guide rib 103.

[0107] The first guide rib 1031 and / or the second guide rib 1032 include a first end 107 and a second end 108.

[0108] According to a second aspect of the present invention, an air conditioner is provided, including an indoor unit, the indoor unit including a housing 40, the housing 40 defining a receiving cavity 403 having an air inlet 401 and an air outlet 402.

[0109] As described in any of the above embodiments, one end of the air duct 109 is connected to the air inlet 401, and the other end of the air duct 109 is connected to the air outlet 402.

[0110] The cross-flow fan 30 and the heat exchanger are both located in the receiving cavity 403. The air duct 109 connects the cross-flow fan 30 and the heat exchanger. The cross-flow fan 30 and the evaporator 50 are arranged in sequence along the airflow direction in the air duct 109.

[0111] The air conditioner provided in the second aspect of this utility model includes the air duct component as described in any of the above embodiments, and therefore has all the beneficial effects of the air duct component as described in any of the above embodiments, which will not be repeated here.

[0112] The above description and drawings suffice to fully enable one skilled in the art to practice the embodiments of the present disclosure. Other embodiments can include structural and other changes. The embodiments are merely representative of possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Portions and features of some embodiments can be included in, or substituted for, portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and can be varied in a variety of ways. The scope of the present disclosure is limited only by the claims that follow.

Claims

1. A volute assembly, characterized by, The volute includes: A volute defines an air duct; The guide vanes are arranged on the inner wall surface of the volute, and the guide vanes include first guide vanes, the number of the first guide vanes is one or more, and at least one first guide vane is located in the middle of the length direction of the volute.

2. The volute assembly according to claim 1, wherein The number of the first guide vanes is multiple, and the multiple first guide vanes are sequentially arranged along the length direction of the volute; Wherein, the multiple first guide vanes are respectively located on the opposite sides of the at least one first guide vane and / or the distance between adjacent two first guide vanes is greater than or equal to 30mm and less than or equal to 120mm.

3. The volute assembly of claim 1, wherein, The volute includes: A first shell section; A second shell section is arranged opposite to the first shell section, and the first shell section and the second shell section constitute the side wall in the length direction of the air duct; Wherein, the inner wall surface of the first shell section and / or the second shell section is provided with the first guide vanes.

4. The volute assembly according to claim 3, wherein The first guide vanes located in the first shell section are correspondingly arranged with the first guide vanes located in the second shell section.

5. The volute assembly according to claim 3, wherein H ≤ 1 H / L, where H is the height of the first guide vane and L is the distance between the first shell segment and the second shell segment at the location of the first guide vane.

6. The volute assembly of claim 1, wherein The volute includes: A third shell section; A fourth shell section is arranged opposite to the third shell section, and the third shell section and the fourth shell section constitute the side wall in the width direction of the air duct; The guide vanes further include second guide vanes, and the second guide vanes are arranged on the inner wall surface of the third shell section and / or the fourth shell section.

7. The volute assembly according to claim 6, wherein The second guide vanes of the third shell section are correspondingly arranged with the second guide vanes of the fourth shell section.

8. The volute assembly according to any one of claims 1 to 7, wherein The guide vanes extend along the flow direction of the airflow in the air duct.

9. The volute assembly according to any one of claims 1 to 7, wherein The guide vanes include a first end portion and a second end portion sequentially arranged along the flow direction of the airflow, and along the flow direction of the airflow in the air duct, the first end portion is inclined toward the direction close to the axis of the air duct and / or the second end portion is inclined toward the direction away from the axis of the air duct.

10. An air conditioner characterized by comprising: The indoor unit includes: The volute assembly according to any one of claims 1 to 9; The cross-flow fan, the heat exchanger, the air duct is communicated between the cross-flow fan and the heat exchanger, and along the flow direction of the airflow in the air duct, the cross-flow fan and the evaporator are sequentially arranged.

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