CN218379625U - Air duct structure and air conditioner with same - Google Patents
Air duct structure and air conditioner with same Download PDFInfo
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- CN218379625U CN218379625U CN202220583757.8U CN202220583757U CN218379625U CN 218379625 U CN218379625 U CN 218379625U CN 202220583757 U CN202220583757 U CN 202220583757U CN 218379625 U CN218379625 U CN 218379625U
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Abstract
The utility model provides an air duct structure and have its air conditioner, air duct structure includes first wind channel portion and second wind channel portion, and first wind channel portion has first fan installation cavity, and second wind channel portion has second fan installation cavity, and the distance between the first plane that the central line of first fan installation cavity is located and the second plane that the central line of second fan installation cavity is located is H, and H's value scope is 630mm is greater than or equal to H and is greater than or equal to 570mm; the first air duct part comprises a first upper air duct section, a first transition section and a first lower air duct section, and the bending angle alpha between the first transition section and the first upper air duct section is more than or equal to 40 degrees and more than or equal to 25 degrees. The utility model discloses a higher problem of the runner resistance of the wind channel structure among the prior art has been solved to the wind channel structure.
Description
Technical Field
The utility model relates to an air conditioner field particularly, relates to a wind channel structure and have its air conditioner.
Background
At present, in the design of a fan air duct of an air conditioner, air outlet power sources are mostly a centrifugal fan, an axial flow fan and a cross flow fan.
For an air conditioner capable of realizing distributed air supply, a centrifugal fan is generally adopted as power output, and the number of the centrifugal fan is generally more than 2. In the design of the air duct, the problems that the bending and twisting of the flow channel are large, the resistance of the flow channel is high, airflow impacts the wall surface of the flow channel, the sound quality of noise is poor and the like are easy to occur.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a wind channel structure and have its air conditioner to solve the higher problem of runner resistance of the wind channel structure among the prior art.
In order to achieve the above object, according to the utility model discloses an aspect provides a wind channel structure, including first wind channel portion and second wind channel portion, first wind channel portion has first wind channel, first wind channel has the first fan installation cavity that is used for installing first fan, second wind channel portion has the second wind channel, the second wind channel has the second fan installation cavity that is used for installing the second fan, the second plane parallel arrangement that the first plane that the central line place of first fan installation cavity and the central line place of second fan installation cavity, distance between first plane and the second plane is H, wherein, H's value range does: h is more than or equal to 630mm and more than or equal to 570mm; the central line of the first fan mounting cavity is superposed with the rotation axis of the impeller part of the first fan, and the central line of the second fan mounting cavity is superposed with the rotation axis of the impeller part of the second fan; the first air duct part comprises a first upper air duct section, a first transition section and a first lower air duct section which are sequentially connected, and the bending angle between the first transition section and the first upper air duct section and/or the bending angle between the first transition section and the first lower air duct section are alpha; wherein, the value range of alpha is as follows: alpha is more than or equal to 25 degrees at 40 degrees or more.
Further, the second air duct portion comprises a second upper air duct section, a second transition section and a second lower air duct section which are sequentially connected, and the bending angle between the second transition section and the second upper air duct section and/or the bending angle between the second transition section and the second lower air duct section is beta; wherein the value range of the beta is as follows: beta is more than or equal to 16 degrees and more than or equal to 0 degrees.
Furthermore, the air duct structure is provided with an air inlet, and at least part of the first upper air duct section is positioned on one side of the first lower air duct section along the air inlet direction of the air inlet.
Furthermore, the air duct structure is provided with an air inlet, and at least part of the second upper air duct section is positioned on one side of the second lower air duct section along the air inlet direction of the air inlet.
Furthermore, the air duct structure is provided with an air inlet, and the projections of at least part of the first air duct part and at least part of the second air duct part in a preset vertical plane are overlapped; wherein, the predetermined vertical surface is perpendicular to the air inlet direction of the air inlet.
Furthermore, the air duct structure is provided with an air inlet, the first air duct part is provided with a gradually reducing part, and the gradually reducing part is connected with one end, far away from the first transition section, of the first lower air duct section; the bottom and the convergent portion of wind channel section arrange and splice in order to form air-out transition portion down along the air inlet direction of air intake under the second, and the value range of the width C of air intake air inlet direction of the air current circulation cross-section of air-out transition portion down does: 0.9 ≧ C ≧ 0.8 ≧ A + B; the air duct structure is provided with an air inlet, and the preset direction is parallel to the air inlet direction of the air inlet.
Further, the value range of the width A of the airflow flow section of the second lower air duct section along the preset direction is 80mm to 120mm; and/or on the same horizontal plane, the width A of the airflow flow section of the second lower air duct section along the preset direction is larger than the width B of the airflow flow section of the first lower air duct section along the preset direction; wherein, the air duct structure has the air intake, and the predetermined direction is on a parallel with the air inlet direction of air intake.
Further, the first air channel part is provided with a second air channel partThe second air duct part is provided with a second lower air duct section, and part of the air duct section of the first lower air duct section and part of the air duct section of the second lower air duct section are separated by a shared partition plate body part; wherein the length of the separation plate body along the vertical direction is L 1 (ii) a Wherein L is 1 The value range is as follows: 460mm is more than or equal to L 1 ≥380mm。
Furthermore, a communication opening for communicating the first air duct portion and the second air duct portion is formed in the partition plate body portion.
Further, the length of the communication opening in the vertical direction is L 2 ，L 2 The value range is as follows: 0.8 × L 1 ≥L 2 ≥0.7*L 1 。
Further, be provided with the backstop board in the intercommunication opening, the backstop board all sets up with the equal interval in intercommunication open-ended top and bottom.
Further, the length of the stopper plate in the vertical direction is p; wherein p is more than or equal to 120mm and more than or equal to 100mm; and/or the vertical distance between the bottom end of the stop plate and the bottom end of the communication opening is q; wherein, q is more than or equal to 80mm and more than or equal to 40mm.
Further, the airflow passing section of the first lower air duct section at the position of the partition plate body is S 1 The airflow circulation section of the second lower air duct section at the position of the partition plate body is S 2 (ii) a Wherein S is 1 ：S 2 ＝3:4。
Furthermore, the first fan installation cavity and the second fan installation cavity are both provided with air outlets, and the width of the air outlet of the first fan installation cavity is equal to that of the air outlet of the second fan installation cavity; the width direction of the air outlet of the first fan installation cavity and the width direction of the air outlet of the second fan installation cavity are the distribution directions of the first air duct part and the second air duct part.
Further, the value of H is 600mm; and/or the first air duct part comprises a first upper air duct section, a first transition section and a first lower air duct section which are sequentially connected, the first upper air duct section and the first lower air duct section are arranged along the horizontal direction, and the bending angle between the first transition section and the first upper air duct section and/or the bending angle between the first transition section and the first lower air duct section is alpha; wherein α =30 °; and/or the second air duct part comprises a second upper air duct section, a second transition section and a second lower air duct section which are sequentially connected, the second upper air duct section and the second lower air duct section are arranged along the horizontal direction, and the bending angle between the second transition section and the second upper air duct section and/or the bending angle between the second transition section and the second lower air duct section is beta; wherein β =14 °.
Further, at least part of the first air duct portion and at least part of the second air duct portion are distributed in an overlapping mode along a preset direction, and the width A of an air duct cavity of the second air duct portion along the preset direction is 100mm; and/or the width B of the air duct cavity of the first air duct part along the preset direction is 74mm; and/or the width C at the overlap of the first and second air channel portions is 175mm.
Further, a shared partition plate body is arranged at the overlapping position of the first air duct part and the second air duct part, and the length of the partition plate body along the vertical direction is L 1 Is 440mm; and/or a communication opening for communicating the first air duct part and the second air duct part is arranged on the partition plate body part, and the length of the communication opening along the vertical direction is L 2 And is 330mm.
According to the utility model discloses an on the other hand provides an air conditioner, including casing and the wind channel structure of setting in the casing, the wind channel structure is foretell wind channel structure.
Use the technical scheme of the utility model, the utility model discloses a wind channel structure includes first wind channel portion and second wind channel portion, first wind channel portion has first wind channel, first wind channel has the first fan installation cavity that is used for installing first fan, second wind channel portion has the second wind channel, the second wind channel has the second fan installation cavity that is used for installing the second fan, the first plane at the central line place of first fan installation cavity and the second plane parallel arrangement at the central line place of second fan installation cavity, distance between first plane and the second plane is H, wherein, the value scope of H is: h is more than or equal to 630mm and more than or equal to 570mm; the central line of the first fan mounting cavity is superposed with the rotation axis of the impeller part of the first fan, and the central line of the second fan mounting cavity is superposed with the rotation axis of the impeller part of the second fan; the first air duct part comprises a first upper air duct section, a first transition section and a first lower air duct section which are sequentially connected, and the bending angle between the first transition section and the first upper air duct section and/or the bending angle between the first transition section and the first lower air duct section are alpha; wherein, the value range of alpha is as follows: alpha is more than or equal to 40 degrees and more than or equal to 25 degrees, in the air conditioner, if the angle of the bending angle alpha is too large, the structure of the first air duct part in the width direction of the first air duct part is not compact enough, the flow resistance is increased, and the air outlet volume is reduced; if the angle of the bending angle alpha is too small, the length of the direct-flow section of the air duct is short under the condition that the height of the main body of the indoor unit of the air conditioner is not changed, and the air flow circulation and the arrangement of two parallel air ducts are not facilitated. Consequently, this application is through the value range of design angle of buckling alpha to guarantee fan wind channel overall arrangement compactness through the value range of designing the distance H between two fan installation chambeies, reduced the flow resistance in first wind channel, promoted the air-out amount of wind.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view illustrating an internal structure of an air conditioner according to an embodiment of the present invention when a first air duct and a second air duct are not connected;
fig. 2 is a schematic structural view illustrating the first air duct and the second air duct according to the embodiment of the air duct structure of the present invention when they are not connected;
FIG. 3 shows a schematic structural view of a section E-E of the air duct structure according to FIG. 2;
fig. 4 is a schematic view illustrating an internal structure of an air conditioner according to an embodiment of the present invention when a first duct and a second duct are connected;
fig. 5 is a schematic structural view illustrating the first air duct and the second air duct according to the first embodiment of the air duct structure of the present invention when they are communicated with each other;
fig. 6 shows a schematic structural view of the first air duct and the second air duct in communication according to the second embodiment of the air duct structure of the present invention.
Wherein the figures include the following reference numerals:
10. a first air duct portion; 100. a first air duct; 110. a first fan; 101. a first fan mounting cavity; 11. a first upper duct section; 12. a first transition section; 13. a first lower duct section; 130. a first outlet; 20. a second air duct portion; 200. a second air duct; 14. a tapered portion; 140. a lower air outlet transition part; 210. a second fan; 201. a second fan mounting cavity; 21. a second upper duct section; 22. a second transition section; 23. a second lower duct section; 230. a second outlet; 30. a partition plate body; 300. a communication opening; 301. a stopper plate; 40. and an air inlet.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Because the cabinet air conditioner is easily limited by the shape, the flow channel design of the cabinet air conditioner mostly adopts the flow channels for parallel air outlet, the positions of the fans are distributed up and down, the flow speed of the air outlet flow channels is different due to different lengths of the respective air outlet flow channels and different air outlet areas, so that different pressure differences are generated on two sides of the flow channel wall shared by the flow channels, the wall is vibrated along with the instability of air flow, and the pneumatic noise abnormal sound similar to drum sound is caused.
Referring to fig. 1 to 6, the present invention provides an air duct structure, including a first air duct portion 10 and a second air duct portion 20, the first air duct portion 10 has a first air duct 100, the first air duct 100 has a first fan installation cavity 101 for installing a first fan 110, the second air duct portion 20 has a second air duct 200, the second air duct 200 has a second fan installation cavity 201 for installing a second fan 210, a first plane where a center line of the first fan installation cavity 101 is located and a second plane where a center line of the second fan installation cavity 201 is located are arranged in parallel, a distance between the first plane and the second plane is H, wherein a value range of H is: h is more than or equal to 630mm and more than or equal to 570mm; the central line of the first fan mounting cavity 101 coincides with the rotation axis of the impeller part of the first fan 110, and the central line of the second fan mounting cavity 201 coincides with the rotation axis of the impeller part of the second fan 210; the first air duct portion 10 includes a first upper air duct section 11, a first transition section 12 and a first lower air duct section 13 which are connected in sequence, and a bending angle between the first transition section 12 and the first upper air duct section 11 and/or a bending angle between the first transition section 12 and the first lower air duct section 13 is α; wherein, the value range of alpha is as follows: alpha is more than or equal to 25 degrees at 40 degrees or more.
The utility model discloses an air duct structure includes first air duct portion 10 and second air duct portion 20, first air duct portion 10 has first air duct 100, first air duct 100 has first fan installation cavity 101 that is used for installing first fan 110, second air duct portion 20 has second air duct 200, second air duct 200 has second fan installation cavity 201 that is used for installing second fan 210, the second plane parallel arrangement at the first plane at the central line place of first fan installation cavity 101 and the central line place of second fan installation cavity 201, distance between first plane and the second plane is H, wherein, the value range of H is: h is more than or equal to 630mm and more than or equal to 570mm; the central line of the first fan mounting cavity 101 coincides with the rotation axis of the impeller part of the first fan 110, and the central line of the second fan mounting cavity 201 coincides with the rotation axis of the impeller part of the second fan 210; the first air duct portion 10 includes a first upper air duct section 11, a first transition section 12 and a first lower air duct section 13 which are connected in sequence, and a bending angle between the first transition section 12 and the first upper air duct section 11 and/or a bending angle between the first transition section 12 and the first lower air duct section 13 is α; wherein, the value range of alpha is as follows: alpha is more than or equal to 40 degrees and more than or equal to 25 degrees, in the air conditioner, if the angle of the bending angle alpha is too large, the structure of the first air duct part 10 in the width direction is not compact enough, the flow resistance is increased, and the air outlet volume is reduced; if the angle of the bending angle alpha is too small, the length of the direct-flow section of the air duct is short under the condition that the height of the main body of the indoor unit of the air conditioner is not changed, and the air flow circulation and the arrangement of two parallel air ducts are not facilitated. Therefore, the value range of the bending angle alpha is designed, the value range of the distance H between the two fan installation cavities is designed to ensure compact layout of the fan air duct, the flow resistance of the first air duct 100 is reduced, and the air outlet air volume is improved.
Preferably, the second air duct portion 20 includes a second upper air duct section 21, a second transition section 22 and a second lower air duct section 23 connected in sequence, and a bending angle between the second transition section 22 and the second upper air duct section 21 and/or a bending angle between the second transition section 22 and the second lower air duct section 23 is β; wherein the value range of the beta is as follows: beta is more than or equal to 16 degrees and more than or equal to 0 degrees. In the air conditioner, if the angle of the bending angle β is too large, the structure of the second air duct portion 20 in the width direction thereof is not compact enough, and the flow resistance of the second air duct is increased, thereby reducing the air outlet volume; and the angle of angle beta is undersize, under the unchangeable condition of the height of the main part of air conditioning indoor set, can make the length of the direct current section in wind channel shorter, is unfavorable for the circulation of air current and the arrangement of two wind channels side by side. Therefore, the value range of the bending angle beta is designed, and the value range of the distance H between the two fan installation cavities and the value range of the bending angle alpha are combined, so that the compact layout of the fan air duct is further ensured, the flow resistance of the first air duct 100 and the second air duct 200 is reduced, and the air outlet volume is improved.
The embodiment of the utility model provides an in, the wind channel structure is used in the wind channel design of two centrifugal fan's distributed air supply cabinet air conditioner.
As shown in fig. 2 and 5, the air duct structure has an air inlet 40, and at least a portion of the first upper duct section 11 is located at one side of the first lower duct section 13 along the air inlet direction of the air inlet 40.
Specifically, the air duct structure has an air inlet 40, and at least a part of the second upper duct section 21 is located at one side of the second lower duct section 23 along the air inlet direction of the air inlet 40.
Specifically, the air duct structure has an air inlet 40, and projections of at least part of the first air duct portion 10 and at least part of the second air duct portion 20 in a predetermined vertical plane are overlapped; wherein the predetermined vertical plane is perpendicular to the air intake direction of the air intake 40.
In the embodiment of the present invention, the air duct structure has an air inlet 40, the first air duct portion 10 has a tapered portion 14, and the tapered portion 14 is connected to an end of the first lower air duct section 13 away from the first transition section 12; the bottom and the reducing portion 14 of the second lower air duct section 23 are arranged and spliced along the air inlet direction of the air inlet to form a lower air outlet transition portion 140, and the value range of the width C of the airflow circulation section of the lower air outlet transition portion 140 along the air inlet direction of the air inlet 40 is as follows: 0.9 ≧ A + B ≧ C ≥ 0.8 ≥ A + B; wherein, a is the width of the airflow cross section of the second lower air duct section 23 along the predetermined direction, B is the width of the airflow cross section of the first lower air duct section 13 along the predetermined direction, and the air duct structure has an air inlet 40, and the predetermined direction is parallel to the air inlet direction of the air inlet 40.
In the embodiment of the present invention, the value range of the width a of the airflow cross section of the second lower duct section 23 along the predetermined direction is 80mm to 120mm; and/or on the same horizontal plane, the width A of the airflow flow section of the second lower air duct section 23 along the preset direction is larger than the width B of the airflow flow section of the first lower air duct section 13 along the preset direction; wherein, the air duct structure has an air inlet 40, and the predetermined direction is parallel to the air inlet direction of the air inlet 40.
Specifically, the first air duct portion 10 has a first lower air duct section 13, the second air duct portion 20 has a second lower air duct section 23, and a part of the air duct section of the first lower air duct section 13 and a part of the air duct section of the second lower air duct section 23 are separated by a common separation plate portion 30; wherein the length of the partition plate body 30 in the vertical direction is L 1 (ii) a Wherein L is 1 The value range is as follows: 460mm is more than or equal to L 1 ≥380mm。
In the embodiment of the present invention, the partition plate body 30 is provided with a communication opening 300 for communicating the first air channel portion 10 and the second air channel portion 20.
Specifically, the communication opening 300 has a length L in the vertical direction 2 ，L 2 The value range is as follows: 0.8 × L 1 ≥L 2 ≥0.7*L 1 。
Optionally, a stop plate 301 is disposed in the communication opening 300, and the stop plate 301 is spaced apart from both the top end and the bottom end of the communication opening 300.
In the embodiment of the present invention, the length of the stop plate 301 in the vertical direction is p; wherein p is more than or equal to 120mm and more than or equal to 100mm; and/or the vertical distance between the bottom end of the stopper plate 301 and the bottom end of the communication opening 300 is q; wherein, q is more than or equal to 80mm and more than or equal to 40mm.
As shown in fig. 3, the first lower duct section 13 has a flow cross section S at the partition plate body 30 1 The second lower duct section 23 has an airflow cross section S at the partition plate body 30 2 (ii) a Wherein S is 1 ：S 2 ＝3:4。
Specifically, the first fan mounting cavity 101 and the second fan mounting cavity 201 both have air outlets, and the width of the air outlet of the first fan mounting cavity 101 is equal to the width of the air outlet of the second fan mounting cavity 201; the width direction of the air outlet of the first fan installation cavity 101 and the width direction of the air outlet of the second fan installation cavity 201 are the distribution directions of the first air duct portion 10 and the second air duct portion 20.
Optionally, the width of the air outlet of the first fan installation cavity 101 and the width of the air outlet of the second fan installation cavity 201 have a slight difference.
Specifically, the air duct structure further includes a first outlet 130 and a second outlet 230, the first outlet 130 is communicated with the first air duct 100, the first outlet 130 is disposed at the end of the first lower air duct section 13, the second outlet 230 is communicated with the second air duct 200, and the second outlet 230 is disposed at the end of the second lower air duct section 23; the width of the first outlet 130 is equal to the width of the second outlet 230, and the width direction of the first outlet 130 and the second outlet 230 is the extending direction of the air duct structure.
In the first embodiment of the present invention, the value of H is 600mm; and/or the first air duct portion 10 comprises a first upper air duct section 11, a first transition section 12 and a first lower air duct section 13 which are connected in sequence, the first upper air duct section 11 and the first lower air duct section 13 are arranged along the horizontal direction, and a bending angle between the first transition section 12 and the first upper air duct section 11 and/or a bending angle between the first transition section 12 and the first lower air duct section 13 is alpha; wherein α =30 °; and/or the second air duct portion 20 includes a second upper air duct section 21, a second transition section 22 and a second lower air duct section 23 which are connected in sequence, the second upper air duct section 21 and the second lower air duct section 23 are arranged along the horizontal direction, and the bending angle between the second transition section 22 and the second upper air duct section 21 and/or the bending angle between the second transition section 22 and the second lower air duct section 23 is β; wherein β =14 °.
Specifically, at least part of the first air duct portion 10 and at least part of the second air duct portion 20 are distributed in an overlapping manner along a predetermined direction, and the width a of the air duct cavity of the second air duct portion 20 along the predetermined direction is 100mm; and/or the width B of the air duct cavity of the first air duct portion 10 in the predetermined direction is 74mm; and/or the width C of the overlap of the first air channel portion 10 and the second air channel portion 20 is 175mm.
Specifically, a shared partition plate body 30 is arranged at the overlapping position of the first air duct portion 10 and the second air duct portion 20, and the length of the partition plate body 30 in the vertical direction is L1, which is 440mm; and/or the partition plate body 30 is provided with a communication opening 300 for communicating the first air duct portion 10 and the second air duct portion 20, and the length L2 of the communication opening 300 in the vertical direction is 330mm.
The utility model discloses an among the concrete implementation of first embodiment, as shown in FIG. 5, when adopting this design parameter design, fan wind channel overall arrangement is compact, and the wind channel volume occupies that the complete machine space is in the optimum state, and the runner windage is little, and pressure self-balancing is more excellent between different wind channels. Because the first air duct 100 where the first fan 110 is located is relatively long, and the airflow convergence position, the cross-sectional ratio of the first air duct 100 to the second air duct 200 is S1: S2=3, and the first transition section 12 of the first air duct 100 is bent, the flow resistance of the first air duct is large, the air-out dynamic pressure of the first fan 110 is changed into the static pressure more, the air speed loss is large, and the static pressure is high and the dynamic pressure is small. The air outlet of the second fan 210 has no large resistance, so that the air speed is high, the dynamic pressure of the air flow is high, and the static pressure is low. After the first air duct 100 and the second air duct 200 are communicated.
Although the air flows in the first air duct 100 and the second air duct 200 are parallel before being collected, the side with high static pressure pushes the air to the side with low static pressure, and the air flow direction changes, so as to equalize the pressures at both sides, reduce the vortex, reduce the flow resistance, increase the air volume, and make the air volumes of the first outlet 130 and the second outlet 230 approximately consistent. Meanwhile, the dynamic pressure and static pressure in the first air duct 100 and the second air duct 200 become stable, so that the overall aerodynamic noise is obviously improved.
In a second embodiment of the present invention, as shown in fig. 6, the distance H =600mm between the first fan 110 and the second fan 210, and the cross-sectional ratio of the first air duct 100 and the second air duct 200 is S 1 :S 2 =3, the bending angle α of the first transition section 12 =30 °, the bending angle β of the second transition section 22 =14 °, the width a of the second air duct 200 =100mm, and the width B of the first air duct 100 =74mm; the width C =175mm of the air outlet duct, and the wall length L shared by the first air duct and the second air duct 1 =440mm, length L of air duct communication opening 2 =330mmm may also be L 2 The section is divided into two communicating sections, wherein the height q from the bottom partition position is more than or equal to 80mm and more than or equal to 40mm, a partition plate with the length p is arranged, and the length p is more than or equal to 120mm and more than or equal to 100mm, so that the pressure on two sides is balanced, the vortex is reduced, the flow resistance is reduced, the air quantity is increased, the pressure in the air channel is self-balanced, and the pneumatic noise is reduced.
The utility model also provides an air conditioner, including casing and the wind channel structure of setting in the casing, the wind channel structure is foretell wind channel structure.
To sum up, the utility model discloses the parameter design of wind channel structure arranges when different level at a plurality of fans of air conditioner, and when its respective wind channel was parallel to be out of the wind, adopts this design method, not only can reduce the flow resistance, and the increase air-out amount of wind still can make air-out runner internal pressure self-balancing for air current dynamic pressure and static pressure between different runners change more smoothly, reach the effect of balanced each runner atmospheric pressure difference, make pneumatic noise littleer, tone quality is better.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses an air duct structure includes first air duct portion 10 and second air duct portion 20, first air duct portion 10 has first air duct 100, first air duct 100 has first fan installation cavity 101 that is used for installing first fan 110, second air duct portion 20 has second air duct 200, second air duct 200 has second fan installation cavity 201 that is used for installing second fan 210, the second plane parallel arrangement at the first plane at the central line place of first fan installation cavity 101 and the central line place of second fan installation cavity 201, distance between first plane and the second plane is H, wherein, the value range of H is: h is more than or equal to 630mm and more than or equal to 570mm; the central line of the first fan mounting cavity 101 coincides with the rotation axis of the impeller part of the first fan 110, and the central line of the second fan mounting cavity 201 coincides with the rotation axis of the impeller part of the second fan 210; the first air duct portion 10 includes a first upper air duct section 11, a first transition section 12 and a first lower air duct section 13 which are connected in sequence, and a bending angle between the first transition section 12 and the first upper air duct section 11 and/or a bending angle between the first transition section 12 and the first lower air duct section 13 is α; wherein, the value range of alpha is as follows: alpha is more than or equal to 40 degrees and more than or equal to 25 degrees, in the air conditioner, if the angle of the bending angle alpha is too large, the structure of the first air duct part 10 in the width direction is not compact enough, the flow resistance is increased, and the air outlet volume is reduced; if the angle of the bending angle alpha is too small, the length of the direct-flow section of the air duct is short under the condition that the height of the main body of the indoor unit of the air conditioner is not changed, and the air flow circulation and the arrangement of two parallel air ducts are not facilitated. Therefore, the value range of the bending angle alpha is designed, the value range of the distance H between the two fan installation cavities is designed to ensure compact layout of the fan air duct, the flow resistance of the first air duct 100 is reduced, and the air outlet air volume is improved.
Further, the second air duct portion 20 includes a second upper air duct section 21, a second transition section 22 and a second lower air duct section 23, which are connected in sequence, and a bending angle between the second transition section 22 and the second upper air duct section 21 and/or a bending angle between the second transition section 22 and the second lower air duct section 23 is β; wherein, the value range of beta is as follows: beta is more than or equal to 16 degrees and more than or equal to 0 degrees. In the air conditioner, if the angle of the bending angle β is too large, the structure of the second air duct portion 20 in the width direction thereof is not compact enough, and the flow resistance of the second air duct is increased, thereby reducing the air outlet volume; and the angle of angle beta is undersize, under the unchangeable condition of the height of the main part of air conditioning indoor set, can make the length of the direct current section in wind channel shorter, is unfavorable for the circulation of air current and the arrangement of two wind channels side by side. Therefore, the value range of the bending angle beta is designed, and the value range of the distance H between the two fan installation cavities and the value range of the bending angle alpha are combined, so that the compact layout of the fan air duct is further ensured, the flow resistance of the first air duct 100 and the second air duct 200 is reduced, and the air outlet volume is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (18)
1. An air duct structure, comprising a first air duct portion (10) and a second air duct portion (20), the first air duct portion (10) having a first air duct (100), the first air duct (100) having a first fan mounting cavity (101) for mounting a first fan (110), the second air duct portion (20) having a second air duct (200), the second air duct (200) having a second fan mounting cavity (201) for mounting a second fan (210), characterized in that,
the first plane of the central line of the first fan installation cavity (101) and the second plane of the central line of the second fan installation cavity (201) are arranged in parallel, the distance between the first plane and the second plane is H, and the value range of H is as follows: h is more than or equal to 630mm and more than or equal to 570mm; wherein a centerline of the first fan mounting cavity (101) coincides with a rotational axis of an impeller member of the first fan (110), and a centerline of the second fan mounting cavity (201) coincides with a rotational axis of an impeller member of the second fan (210);
the first air duct portion (10) comprises a first upper air duct section (11), a first transition section (12) and a first lower air duct section (13) which are sequentially connected, and a bending angle between the first transition section (12) and the first upper air duct section (11) and/or a bending angle between the first transition section (12) and the first lower air duct section (13) is alpha; wherein, the value range of alpha is as follows: alpha is more than or equal to 25 degrees and more than or equal to 40 degrees.
2. The air duct structure according to claim 1, wherein the second air duct portion (20) includes a second upper duct section (21), a second transition section (22), and a second lower duct section (23) connected in sequence, and a bending angle between the second transition section (22) and the second upper duct section (21) and/or a bending angle between the second transition section (22) and the second lower duct section (23) is β; wherein, the value range of beta is as follows: beta is more than or equal to 16 degrees and more than or equal to 0 degrees.
3. Air duct structure according to claim 1, characterized in that the air duct structure has an air intake opening (40), at least a part of the first upper duct section (11) being located on one side of the first lower duct section (13) in an air intake direction of the air intake opening (40).
4. Air duct structure according to claim 2, characterized in that the air duct structure has an air inlet opening (40), in the air inlet direction of the air inlet opening (40) at least a part of the second upper duct section (21) being located at one side of the second lower duct section (23).
5. Air duct structure according to claim 1, characterized in that the air duct structure has an air inlet (40),
at least part of the first air channel part (10) and at least part of the second air channel part (20) are arranged in an overlapped mode in a projection mode in a preset vertical plane; wherein the predetermined vertical plane is perpendicular to the air inlet direction of the air inlet (40).
6. The air duct structure according to claim 2, characterized in that the air duct structure has an air inlet (40), the first air duct portion (10) has a tapered portion (14), and the tapered portion (14) is connected with an end of the first lower air duct section (13) away from the first transition section (12); the bottom of wind channel section (23) under the second with convergent portion (14) are followed the air inlet direction of air intake (40) arranges and splices in order to form air-out transition portion (140) down, the air current circulation cross-section of air-out transition portion (140) down follows the value range of the width C of the air inlet direction of air intake (40) is:
0.9*(A+B)≥C≥0.8*(A+B)；
the air duct structure comprises an air duct structure, wherein A is the width of an airflow circulation section of the second lower air duct section (23) along a preset direction, B is the width of the airflow circulation section of the first lower air duct section (13) along the preset direction, the air duct structure is provided with an air inlet (40), and the preset direction is parallel to the air inlet direction of the air inlet (40).
7. The air duct structure according to claim 2,
the value range of the width A of the airflow flow section of the second lower air duct section (23) along the preset direction is 80mm to 120mm; and/or
On the same horizontal plane, the width A of the airflow flow section of the second lower air duct section (23) along the preset direction is larger than the width B of the airflow flow section of the first lower air duct section (13) along the preset direction; the air duct structure is provided with an air inlet (40), and the preset direction is parallel to the air inlet direction of the air inlet (40).
8. The air duct structure according to claim 1, characterized in that the first air duct portion (10) has a first lower air duct section (13), the second air duct portion (20) has a second lower air duct section (23), and a part of the air duct section of the first lower air duct section (13) and a part of the air duct section of the second lower air duct section (23) are separated by a common partition plate body (30); wherein the length of the separation plate body (30) in the vertical direction is L 1 (ii) a Wherein L is 1 The value range of (A) is as follows: 460mm is more than or equal to L 1 ≥380mm。
9. The air duct structure according to claim 8, characterized in that the partition plate body (30) is provided with a communication opening (300) for communicating the first air duct portion (10) and the second air duct portion (20).
10. The air duct structure according to claim 9, characterized in that the communication opening (300) is in a vertical directionLength L 2 ，L 2 The value range is as follows: 0.8 × L 1 ≥L 2 ≥0.7*L 1 。
11. The air duct structure according to claim 9, characterized in that a stop plate (301) is provided in the communication opening (300), and the stop plate (301) is spaced from both the top end and the bottom end of the communication opening (300).
12. The air duct structure according to claim 11,
the length of the stop plate (301) in the vertical direction is p; wherein p is more than or equal to 120mm and more than or equal to 100mm; and/or
The vertical distance between the bottom end of the stop plate (301) and the bottom end of the communication opening (300) is q; wherein, q is more than or equal to 80mm and more than or equal to 40mm.
13. The air duct structure according to claim 8, characterized in that the first lower duct section (13) has an air flow passage section S at the separation plate body (30) 1 The second lower duct section (23) has an airflow cross section S at the divider plate body (30) 2 (ii) a Wherein S is 1 ：S 2 ＝3:4。
14. The air duct structure according to any one of claims 1 to 13,
the first fan installation cavity (101) and the second fan installation cavity (201) are respectively provided with an air outlet, and the width of the air outlet of the first fan installation cavity (101) is equal to that of the air outlet of the second fan installation cavity (201);
the width direction of the air outlet of the first fan installation cavity (101) and the width direction of the air outlet of the second fan installation cavity (201) are the distribution directions of the first air duct part (10) and the second air duct part (20).
15. The air duct structure according to any one of claims 1 to 13,
h takes the value of 600mm; and/or
The first air duct portion (10) comprises a first upper air duct section (11), a first transition section (12) and a first lower air duct section (13) which are connected in sequence, the first upper air duct section (11) and the first lower air duct section (13) are arranged along the horizontal direction, and a bending angle between the first transition section (12) and the first upper air duct section (11) and/or a bending angle between the first transition section (12) and the first lower air duct section (13) is alpha; wherein α =30 °; and/or
The second air duct portion (20) comprises a second upper air duct section (21), a second transition section (22) and a second lower air duct section (23) which are connected in sequence, the second upper air duct section (21) and the second lower air duct section (23) are arranged along the horizontal direction, and the bending angle between the second transition section (22) and the second upper air duct section (21) and/or the bending angle between the second transition section (22) and the second lower air duct section (23) is beta; wherein β =14 °.
16. The air duct structure according to any one of claims 1 to 13, characterized in that at least a portion of the first air duct portion (10) and at least a portion of the second air duct portion (20) are arranged to overlap in a predetermined direction,
the width A of the air duct cavity of the second air duct part (20) along the preset direction is 100mm; and/or
The width B of the air duct cavity of the first air duct part (10) along the preset direction is 74mm; and/or
The width C of the overlapping part of the first air duct portion (10) and the second air duct portion (20) is 175mm.
17. The air duct structure according to claim 16,
a common partition plate body part (30) is arranged at the overlapping part of the first air duct part (10) and the second air duct part (20), and the length of the partition plate body part (30) along the vertical direction is L 1 Is 440mm; and/or
The partition plate body (30) is provided with a first air duct part (10) communicated with the second air duct partA communication opening (300) of the two air duct parts (20), wherein the length of the communication opening (300) along the vertical direction is L 2 Is 330mm.
18. An air conditioner comprising a cabinet and an air duct structure disposed in the cabinet, wherein the air duct structure is as claimed in any one of claims 1 to 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220583757.8U CN218379625U (en) | 2022-03-15 | 2022-03-15 | Air duct structure and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220583757.8U CN218379625U (en) | 2022-03-15 | 2022-03-15 | Air duct structure and air conditioner with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218379625U true CN218379625U (en) | 2023-01-24 |
Family
ID=84950200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220583757.8U Active CN218379625U (en) | 2022-03-15 | 2022-03-15 | Air duct structure and air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218379625U (en) |
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2022
- 2022-03-15 CN CN202220583757.8U patent/CN218379625U/en active Active
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