WO2020155430A1 - 风叶、风机组件、风道部件及空调器 - Google Patents
风叶、风机组件、风道部件及空调器 Download PDFInfo
- Publication number
- WO2020155430A1 WO2020155430A1 PCT/CN2019/084120 CN2019084120W WO2020155430A1 WO 2020155430 A1 WO2020155430 A1 WO 2020155430A1 CN 2019084120 W CN2019084120 W CN 2019084120W WO 2020155430 A1 WO2020155430 A1 WO 2020155430A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air duct
- fan assembly
- hub
- motor
- blade
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Definitions
- This application relates to the field of air treatment, in particular to a fan blade, fan assembly, air duct component and air conditioner.
- This application aims to solve at least one of the technical problems existing in the prior art. For this reason, one purpose of the present application is to provide a wind blade which has the advantages of small size, large air output, and low wind noise.
- Another objective of the present application is to provide a fan assembly having the above-mentioned fan blades.
- Another objective of the present application is to provide an air duct component having the fan assembly as described above.
- Another object of the present application is to provide an air conditioner having the air duct components as described above.
- the wind blade according to the embodiment of the present application includes: a hub with a mounting cavity in the hub for accommodating at least part of the motor; and a plurality of blades, the blades being arranged on the outer peripheral wall of the hub.
- the fan blade of the embodiment of the present application by providing a mounting cavity on the hub for accommodating the motor, the overall volume of the fan blade and the motor after assembly can be reduced, and the motor can be prevented from being exposed to the inside of the air duct too much. Reduce air noise and increase air output.
- the point on the blade farthest from the axis of rotation of the hub is located on a reference circle, the diameter of the reference circle is D1, and the diameter of the outer peripheral wall of the hub is D2, where 0.15 ⁇ D2/D1 ⁇ 0.6.
- the ratio of D2 to D1 satisfies: 0.3 ⁇ D2/D1 ⁇ 0.5.
- the height of the blade is H
- the point on the blade farthest from the axis of rotation of the hub is located on a reference circle, and the reference circle
- the diameter of is D1, where 0.05 ⁇ H/D1 ⁇ 0.5.
- the ratio of H to D1 satisfies: 0.1 ⁇ H/D1 ⁇ 0.2.
- the hub has a sleeve and a connecting portion, the sleeve is connected to the hub through the connecting portion, the end surface of one end of the sleeve is located in the mounting cavity, and the sleeve The end surface of the other end is located outside the installation cavity, and the sleeve is suitable for connecting with the power output shaft of the motor to drive the wheel hub to rotate.
- the vertical distance between the end surface of the one end of the sleeve and the end surface of the hub facing the motor is L1
- the blade The height is H, where 0.2 ⁇ L1/H ⁇ 1.2.
- the vertical distance between the end surface of the other end of the sleeve and the end surface of the hub facing away from the motor is L2, and in the direction of the rotation axis of the hub, the blade The height of is H, where 0.25 ⁇ L2/H ⁇ 0.63.
- the connecting portion has a strip shape.
- the surface of the connecting portion facing the inside of the installation cavity has an escape groove for avoiding the motor.
- the hub is cylindrical.
- the fan assembly includes a motor and the fan blade as described above, and at least part of the motor is located in the fan blade installation cavity.
- the fan assembly of the embodiment of the present application by providing a mounting cavity on the hub for accommodating the motor, that is, in the axial direction of the hub, at least part of the motor overlaps with the hub, thereby reducing the fan assembly on the hub.
- the size in the axial direction can reduce the overall volume of the fan assembly and avoid excessive exposure of the motor to the inside of the air duct, thereby reducing the air noise and increasing the air output.
- the fan assembly is an axial fan or a diagonal fan.
- the air duct component according to the embodiment of the present application includes: an air duct mounting plate and the above-mentioned fan assembly, and the fan assembly is connected to the air duct mounting plate.
- the air duct component of the embodiment of the present application by providing a mounting cavity on the hub for accommodating the motor, that is, in the axial direction of the hub, at least part of the motor overlaps with the hub, thereby reducing the fan assembly
- the size in the axial direction of the wheel hub can reduce the overall volume of the fan assembly, avoid excessive exposure of the motor to the inside of the air duct, thereby reducing the air noise and increasing the air output.
- the air duct mounting plate is provided with an enclosure, the motor is connected to the enclosure through a motor bracket, the enclosure defines an air duct, and the fan assembly is located in the air duct.
- the minimum distance between the blade and the motor support is L3
- the point on the blade farthest from the axis of rotation of the hub is located on a reference circle
- the diameter of the reference circle is D1, where 0.025 ⁇ L3/D1 ⁇ 0.15.
- the ratio of L3 to D1 satisfies: 0.035 ⁇ L3/D1 ⁇ 0.06.
- the air duct mounting plate is provided with a first air duct member and a second air duct member
- the fan assembly includes a plurality of groups, and each is a first fan assembly and a second fan assembly.
- a fan assembly and the second fan assembly are spaced apart along the rotation axis of the hub, the first fan assembly is connected with the first air duct member, and the second air duct member is connected with the second fan assembly connection.
- the vertical distance between the first fan assembly and the second fan assembly is L4, and the blades are separated from the rotation axis of the hub.
- the farthest point is located on the reference circle, the diameter of the reference circle is D1, where 0.025 ⁇ L4/D1 ⁇ 0.16.
- the first air duct member includes a first motor support and a first enclosure, the motor of the first fan assembly is connected to the first motor support, and the first enclosure defines a An air duct, the first fan assembly is located in the first air duct;
- the second air duct member includes a second motor bracket and a second enclosure, the motor of the second fan assembly and the second motor The brackets are connected, the second enclosure plate defines a second air duct, the second fan assembly is located in the second air duct, and the second air duct is in communication with the first air duct.
- the first fan assembly in the air outlet direction, is located downstream of the second fan assembly, and the vertical distance between the blades of the first fan assembly and the first motor support is L31 , The vertical distance between the blade of the second fan assembly and the second motor support is L32, where L32>L31.
- the minimum distance between the blades of the second fan assembly and the inner wall of the second air duct is L5, and the point on the blades furthest from the axis of rotation of the hub is located on the reference circle Above, the diameter of the reference circle is D1, where 0.01 ⁇ L5/D1 ⁇ 0.09.
- the ratio of L5 to D1 satisfies: 0.02 ⁇ L5/D1 ⁇ 0.03.
- the air duct mounting plate further includes a third air duct member, the third air duct member is spaced from the first air duct member in a vertical direction, and the fan assembly includes a third fan assembly The rotation axis of the third fan assembly and the rotation axis of the first fan assembly are parallel to and spaced apart from each other, and the third fan assembly is connected with the third air duct member.
- the first fan assembly in the air outlet direction, is located downstream of the second fan assembly, and the motor of the first fan assembly is located in the corresponding mounting cavity at a depth greater than that of the second fan assembly.
- the motor of the fan assembly is located at the depth of the corresponding installation cavity.
- the air conditioner according to the embodiment of the present application includes the air duct component as described above.
- the air conditioner of the embodiment of the present application by providing a mounting cavity on the hub for accommodating the motor, that is, in the axial direction of the hub, at least part of the motor overlaps with the hub, thereby reducing the fan assembly on the hub.
- the size in the axial direction can reduce the overall volume of the air duct components and avoid excessive exposure of the motor to the inside of the air duct, thereby reducing the air noise of the air conditioner and increasing the air output of the air conditioner.
- Fig. 1 is a schematic diagram of a three-dimensional structure of a wind blade according to an embodiment of the present application
- Figure 2 is a schematic cross-sectional view of a wind blade according to an embodiment of the present application.
- Figure 3 is an exploded view of an air duct component according to an embodiment of the present application.
- FIG. 4 is a schematic diagram of a three-dimensional structure of an air duct component according to an embodiment of the present application.
- FIG. 5 is a schematic cross-sectional view of an air duct component according to an embodiment of the present application.
- Fig. 6 is a partial enlarged schematic diagram of A in Fig. 5;
- Fig. 7 is a partial enlarged schematic diagram of B in Fig. 5;
- Fig. 8 is a partial structural diagram of an air conditioner according to an embodiment of the present application.
- Fig. 9 is a schematic cross-sectional view of an air conditioner according to an embodiment of the present application.
- Hub 91 mounting cavity 911, sleeve 912, connecting part 913, avoidance groove 914,
- Air duct component 900 Air duct component 900
- the first air duct 930 The first air duct 930,
- the second air duct 940 The second air duct 940,
- Air conditioner 9100 cabinet 9110.
- the air conditioner 9100 may be a split air conditioner 9100, such as an air conditioner cabinet or an air conditioner on-hook, or an integrated air conditioner 9100, such as a window air conditioner 9100.
- the wind blade 9 includes a hub 91 and a plurality of blades 92.
- the hub 91 may be cylindrical, and the hub 91 has a mounting cavity 911 in it to be suitable for accommodating at least part of the motor 9103. It is understandable that a part of the motor 9103 or the entire motor 9103 can be accommodated in the installation cavity 911. For example, as shown in FIG. 7, a part of the structure of the motor 9103 is accommodated in the installation cavity 911.
- the fans 92 are provided on the outer peripheral wall of the hub 91, and a plurality of blades 92 are distributed at intervals in the circumferential direction of the hub 91.
- the fan blade 9 of the embodiment of the present application by providing a mounting cavity 911 on the hub 91 for accommodating the motor 9103, the overall volume of the fan blade 9 and the motor 9103 after assembly can be reduced, and excessive exposure of the motor 9103 can also be avoided. Inside the air duct 923, it can reduce the wind noise and increase the air volume.
- the point on the blade 92 farthest from the rotation axis of the hub 91 is located on a reference circle, the diameter of the reference circle is D1, and the diameter of the outer peripheral wall of the hub 91 is D2, Where 0.15 ⁇ D2/D1 ⁇ 0.6.
- the motor 9103 can be better accommodated, so that more types of motors 9103 can be accommodated in the mounting cavity 911, so that the casing improves the application range of the fan blade 9.
- the height of the blade 92 is H, and the blade 92 is connected to the rotation of the hub 91
- the point farthest from the axis is on the reference circle.
- the diameter of the reference circle is D1, where 0.05 ⁇ H/D1 ⁇ 0.5.
- the height of the blade 92 refers to the maximum distance between any two points on the blade 92 in the direction of the rotation axis of the hub 91.
- the hub 91 has a sleeve 912 and a connecting portion 913.
- the sleeve 912 is connected to the hub 91 through the connecting portion 913, the end surface of one end of the sleeve 912 is located in the installation cavity 911, the end surface of the other end of the sleeve 912 is located outside the installation cavity 911, and the sleeve 912 is suitable for connecting to the motor 9103.
- the power output shaft 9104 is connected to drive the wheel hub 91 to rotate.
- the vertical distance between the end surface of one end of the sleeve 912 and the end surface of the hub 91 facing the motor 9103 is L1.
- the height of the blade 92 Is H, where 0.2 ⁇ L1/H ⁇ 1.2. It should be noted that the height of the blade 92 refers to the maximum distance between any two points on the blade 92 in the direction of the rotation axis of the hub 91. Therefore, the motor 9103 can be better accommodated, so that more types of motors 9103 can be accommodated in the mounting cavity 911.
- the vertical distance between the end surface of the other end of the sleeve 912 and the end surface of the hub 91 facing away from the motor 9103 is L2.
- the blade 92 The height is H, where 0.25 ⁇ L2/H ⁇ 0.63. It should be noted that the height of the blade 92 refers to the maximum distance between any two points on the blade 92 in the direction of the rotation axis of the hub 91.
- the structural strength of the fan blade 9 be enhanced, but also the structural size of the hub 91 can be reduced, so that the space of the mounting cavity 911 is larger, which is suitable for accommodating a larger-volume motor 9103, so that the housing can lift the fan blade 9 Scope of application.
- the connecting portion 913 may have a strip shape.
- the weight of the blade 9 can be reduced; on the other hand, it can also prevent the connecting portion 913 from blocking the airflow, so that the airflow can pass through the structure of the hub 91 more smoothly, thereby increasing the air output of the blade 9 and reducing Wind noise.
- the mounting cavity 911 In order to enable the mounting cavity 911 to have a larger accommodating space for accommodating the motor 9103, in some embodiments, as shown in FIGS. 1, 2 and 7, the surface of the connecting portion 913 facing the inside of the mounting cavity 911 There is an avoidance slot 914 for avoiding the motor 9103.
- the fan assembly 910 includes a motor 9103 and the wind blade 9 described above. Specifically, at least part of the motor 9103 is located in the installation cavity 911 of the wind blade 9.
- a mounting cavity 911 is provided on the hub 91 for accommodating the motor 9103, that is, in the axial direction of the hub 91, at least part of the motor 9103 overlaps with the hub 91, thereby
- the size of the fan assembly 910 in the axial direction of the hub 91 can be reduced, thereby reducing the overall volume of the fan assembly 910, avoiding excessive exposure of the motor 9103 to the inside of the air duct 923, thereby reducing air noise and increasing air output.
- the fan assembly 910 may be an axial flow fan or a diagonal flow fan.
- the air duct component 900 includes an air duct mounting plate 920 and the above-mentioned fan assembly 910, and the fan assembly 910 is connected to the air duct mounting plate 920. It can be understood that the air duct mounting plate 920 can be used to support the fan assembly 910, for example, the motor 9103 of the fan assembly 910 can be connected to the air duct mounting plate 920.
- a mounting cavity 911 is provided on the hub 91 to accommodate the motor 9103, that is, in the axial direction of the hub 91, at least part of the motor 9103 overlaps the hub 91, This can reduce the size of the fan assembly 910 in the axial direction of the hub 91, thereby reducing the overall volume of the fan assembly 910, avoiding excessive exposure of the motor 9103 to the inside of the air duct 923, thereby reducing air noise and increasing air output.
- the air duct mounting plate 920 is provided with an enclosure plate 922, the motor 9103 is connected to the enclosure plate 922 through a motor bracket 921, the enclosure plate 922 defines an air duct 923, and the fan assembly 910 is located Inside the air duct 923.
- the assembly stability between the fan assembly 910 and the air duct mounting plate 920 can be improved.
- the minimum distance between the blade 92 and the motor support 921 is L3, and the point on the blade 92 farthest from the rotation axis of the hub 91 is located on the reference circle.
- the diameter is D1, where 0.025 ⁇ L3/D1 ⁇ 0.15.
- the distance between the wind blade and the air duct when the air duct is unchanged, the smaller the distance between the wind blade and the air duct, the larger the diameter of the wind blade, and the greater the air volume. Under the condition of the same air volume, the fan with a larger diameter needs a lower speed, so the noise of the fan blade 9 is lower, and the noise of the wind can also be reduced. At the same time, through the improvement of the above-mentioned size, the distance between the wind blade and the air duct can be reduced, so that the air leakage area of the air duct gap can be reduced, and the performance of the fan can be increased.
- the air duct mounting plate 920 may be provided with a first air duct member 930 and a second air duct member 940, and the fan assembly 910 may include multiple groups, which are respectively The first fan assembly 9101 and the second fan assembly 9102, the first fan assembly 9101 and the second fan assembly 9102 are spaced apart along the rotation axis of the hub 91, the first fan assembly 9101 is connected to the first air duct 930, and the second air duct The piece 940 is connected to the second fan assembly 9102.
- a plurality of air duct members may be provided on the air duct mounting plate 920 for installing a plurality of fan assemblies 910.
- the arrangement order of the plurality of fan assemblies 910 is not specifically limited.
- the plurality of fan assemblies 910 may be arranged on the air duct mounting plate 920 at intervals; for example, in some embodiments, more A plurality of fan assemblies 910 may be arranged in a stack, in which the air ducts 923 of a plurality of fan assemblies 910 communicate with each other, and the plurality of fan assemblies 910 are arranged in a stack in the axial direction of one of the hub 91.
- the vertical distance between the first fan assembly 9101 and the second fan assembly 9102 is L4, and the blade 92 and the rotation axis of the hub 91
- the farthest point is on the reference circle.
- the diameter of the reference circle is D1, where 0.025 ⁇ L4/D1 ⁇ 0.16.
- the first air duct member 930 may include a first motor bracket 9211 and a first enclosure 9221, the motor 9103 of the first fan assembly 9101 and the first motor bracket 9211 is connected, the first enclosure 9221 defines a first air duct 9231, and the first fan assembly 9101 is located in the first air duct 9231.
- the second air duct member 940 may include a second motor support 9212 and a second enclosure 9222.
- the motor 9103 of the second fan assembly 9102 is connected to the second motor support 9212.
- the second enclosure 9222 defines the second air duct 9232.
- the second fan assembly 9102 is located in the second air duct 9232, and the second air duct 9232 is in communication with the first air duct 9231. Therefore, it is convenient to assemble the first fan assembly 9101 and the second fan assembly 9102 along the axis of the hub 91.
- the first enclosure plate 922 is connected to the air duct mounting plate 920, and the second enclosure plate 922 is connected to the air duct mounting plate 920, so that the first air duct member 930 and the second air duct member 940 can be installed To the air duct mounting plate 920.
- the first fan assembly 9101 is located downstream of the second fan assembly 9102.
- the vertical distance between the blade 92 of the first fan assembly 9101 and the first motor support 9211 is L31
- the vertical distance between the blade 92 of the second fan assembly 9102 and the second motor support 9212 is L32, where L32>L31.
- the minimum distance between the blade 92 of the second fan assembly 9102 and the inner wall of the second air duct 9232 is L5, and the blade 92 is the furthest away from the rotation axis of the hub 91
- the point of is located on the reference circle, the diameter of the reference circle is D1, where 0.01 ⁇ L5/D1 ⁇ 0.09.
- the ratio of L5 to D1 satisfies: 0.02 ⁇ L5/D1 ⁇ 0.03.
- the distance between the wind blade and the air duct when the air duct is unchanged, the smaller the distance between the wind blade and the air duct, the larger the diameter of the wind blade, and the greater the air volume. Under the condition of the same air volume, the fan with a larger diameter needs a lower speed, so the noise of the fan blade 9 is lower, and the noise of the wind can also be reduced. At the same time, through the improvement of the above-mentioned size, the distance between the wind blade and the air duct can be reduced, so that the air leakage area of the air duct gap can be reduced, and the performance of the fan can be increased.
- the air duct mounting plate 920 may further include a third air duct member 950, which is spaced apart from the first air duct member 930 in the up-down direction.
- the fan assembly 910 includes a third fan assembly 960, the rotation axis of the third fan assembly 960 and the rotation axis of the first fan assembly 9101 are parallel to and spaced apart from each other, and the third fan assembly 960 is connected to the third air duct 950.
- multiple air ducts can be provided on the same air duct mounting plate 920, so that the number of air ducts can be increased and the air output can be increased.
- the first fan assembly 9101 in the air outlet direction, is located downstream of the second fan assembly 9102, and the motor 9103 of the first fan assembly 9101 is located in the corresponding mounting cavity 911 at a greater depth than the second fan assembly 9102
- the motor 9103 is located at the depth of the corresponding mounting cavity 911.
- a reasonable avoidance can be selected according to the internal structure of the air conditioner 9100.
- the two motors in the air outlet direction are set to different installation depths.
- the upstream motor can be used in the second fan assembly 9102.
- the motor 9103 and the air conditioner 9100 have a reasonable escape space.
- the installation depth of the motor 9103 of the second fan assembly 9102 can be shortened (the "depth” here refers to the motor in the direction of the air The upper distance is located in the installation cavity 911), thereby saving installation space.
- the air conditioner 9100 includes the air duct component 900 as described above.
- the air conditioner 9100 may include a casing 9110, the casing 9110 is provided with an air inlet and an air outlet, and the air duct component 900 may be provided at the air outlet.
- a mounting cavity 911 is provided on the hub 91 for accommodating the motor 9103, that is, in the axial direction of the hub 91, at least part of the motor 9103 overlaps with the hub 91, thereby It is possible to reduce the size of the fan assembly 910 in the axial direction of the hub 91, thereby reducing the overall volume of the air duct component 900, avoiding excessive exposure of the motor 9103 to the inside of the air duct 923, thereby reducing the wind noise of the air conditioner 9100. Increase the air output of the air conditioner 9100.
- the air conditioner 9100 according to the embodiment of the present application will be described in detail below with specific embodiments. It should be noted that the following description is only an exemplary description, rather than a specific limitation to the application.
- the height of the blade 92 is H
- the point on the blade 92 farthest from the rotation axis of the hub 91 is located on the reference circle
- the diameter of the reference circle is D1.
- the height of the blade 92 is H, and the point on the blade 92 farthest from the rotation axis of the hub 91 is located on the reference circle.
- the diameter of the reference circle is D1.
- the vertical distance between a fan assembly 9101 and a second fan assembly 9102 is L4.
- the height of the blade 92 is H, and the point on the blade 92 farthest from the axis of rotation of the hub 91 is located on the reference circle.
- the diameter of the reference circle is D1.
- the minimum distance between 92 and the motor support 921 is L3.
- L3 after theoretical and test verification, the smaller the L3, the greater the air volume of the fan assembly at the same speed, and the lower the fan noise under the same air volume.
- L3 should not be too large or too small.
- L3 when L3 is gradually increased from 2mm to 10mm, the noise value rises slowly, and when L3 is increased from 8mm to 10mm, the noise value grows faster. Based on this, L3 can also be 6mm ⁇ L3 ⁇ 10mm, and further L3 can also be 7mm.
- the thickness of the air duct member 900 in the axial direction of the hub 91 can be reduced; on the other hand, it can also avoid interference or collision between the blade 92 and the motor bracket 921 Therefore, the operating noise of the air duct component 900 can be reduced. Furthermore, where 0.025 ⁇ L3/D1 ⁇ 0.15. Thus, on the one hand, the thickness of the air duct member 900 in the axial direction of the hub 91 can be reduced; on the other hand, interference or collision between the blade 92 and the motor bracket 921 can also be avoided, thereby reducing the operation of the air duct member 900 noise.
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Abstract
Description
Claims (27)
- 一种风叶,其特征在于,包括:轮毂,所述轮毂内具有安装腔,以适于收容电机的至少部分;多片叶片,所述叶片设于所述轮毂的外周壁。
- 根据权利要求1所述的风叶,其特征在于,所述叶片上与所述轮毂的旋转轴线相距最远的点位于参考圆上,所述参考圆的直径为D1,所述轮毂的外周壁的直径为D2,其中0.15≤D2/D1≤0.6。
- 根据权利要求2所述的风叶,其特征在于,所述D2与D1的比值满足:0.3≤D2/D1≤0.5。
- 根据权利要求1-3中任一项所述的风叶,其特征在于,在所述轮毂的旋转轴线的方向上,所述叶片的高度为H,所述叶片上与所述轮毂的旋转轴线相距最远的点位于参考圆上,所述参考圆的直径为D1,其中0.05≤H/D1≤0.5。
- 根据权利要求4所述的风叶,其特征在于,所述H与D1的比值满足:0.1≤H/D1≤0.2。
- 根据权利要求1-5中任一项所述的风叶,其特征在于,所述轮毂内具有轴套和连接部,所述轴套通过连接部与所述轮毂连接,所述轴套的一端的端面位于所述安装腔内,所述轴套的另一端的端面位于所述安装腔外,所述轴套适于与所述电机的动力输出轴连接,以驱动所述轮毂转动。
- 根据权利要求6所述的风叶,其特征在于,所述轴套的所述一端的端面到所述轮毂的朝向所述电机的端面之间的垂直距离为L1,在所述轮毂的旋转轴线的方向上,所述叶片的高度为H,其中0.2≤L1/H≤1.2。
- 根据权利要求6所述的风叶,其特征在于,所述轴套的所述另一端的端面到所述轮毂的背离所述电机的端面之间的垂直距离为L2,在所述轮毂的旋转轴线的方向上,所述叶片的高度为H,其中0.25≤L2/H≤0.63。
- 根据权利要求6所述的风叶,其特征在于,所述连接部为多个,多个所述连接部沿所述轴套的周向方向间隔分布。
- 根据权利要求6所述的风叶,其特征在于,所述连接部呈条状。
- 根据权利要求6所述的风叶,其特征在于,所述连接部的朝向所述安装腔内部的表面具有避让槽,以用于避让所述电机。
- 根据权利要求1-11中任一项所述的风叶,其特征在于,所述轮毂呈筒状。
- 一种风机组件,其特征在于,包括:电机;风叶,所述风叶为根据权利要求1-12中任一项所述的风叶,所述电机的至少部分位于所述风叶的安装腔内。
- 根据权利要求13所述的风机组件,其特征在于,所述风机组件为轴流风机或斜流风机。
- 一种风道部件,其特征在于,包括:风道安装板;风机组件,所述风机组件为根据权利要求13或14所述的风机组件,所述风机组件与所述风道安装板连接。
- 根据权利要求15所述的风道部件,其特征在于,所述风道安装板设有围板,所述电机通过电机支架与所述围板连接,所述围板限定出风道,所述风机组件位于所述风道内。
- 根据权利要求16所述的风道部件,其特征在于,所述叶片与所述电机支架之间的最小距离为L3,所述叶片上与所述轮毂的旋转轴线相距最远的点位于参考圆上,所述参考圆的直径为D1,其中0.025≤L3/D1≤0.15。
- 根据权利要求17所述的风道部件,其特征在于,所述L3与D1的比值满足:0.035≤L3/D1≤0.06。
- 根据权利要求16所述的风道部件,其特征在于,所述风道安装板设有第一风道件和第二风道件,所述风机组件包括多组,且分别为第一风机组件和第二风机组件,所述第一风机组件与所述第二风机组件沿所述轮毂的旋转轴线间隔开,所述第一风机组件与所述第一风道件连接,所述第二风道件与所述第二风机组件连接。
- 根据权利要求19所述的风道部件,其特征在于,在所述轮毂的旋转轴线的方向上,所述第一风机组件与所述第二风机组件之间的垂直距离为L4,所述叶片上与所述轮毂的旋转轴线相距最远的点位于参考圆上,所述参考圆的直径为D1,其中0.025≤L4/D1≤0.16。
- 根据权利要求19所述的风道部件,其特征在于,所述第一风道件包括第一电机支架和第一围板,所述第一风机组件的电机与所述第一电机支架连接,所述第一围板限定出第一风道,所述第一风机组件位于所述第一风道内;所述第二风道件包括第二电机支架和第二围板,所述第二风机组件的电机与所述第二电机支架连接,所述第二围板限定出第二风道,所述第二风机组件位于所述第二风道内,所 述第二风道与所述第一风道连通。
- 根据权利要求21所述的风道部件,其特征在于,在出风方向上,所述第一风机组件位于所述第二风机组件的下游,所述第一风机组件的叶片与所述第一电机支架之间的垂直距离为L31,所述第二风机组件的叶片与所述第二电机支架之间的垂直距离为L32,其中L32>L31。
- 根据权利要求21所述的风道部件,其特征在于,所述第二风机组件的叶片与所述第二风道的内壁之间的最小距离为L5,所述叶片上与所述轮毂的旋转轴线相距最远的点位于参考圆上,所述参考圆的直径为D1,其中0.01≤L5/D1≤0.09。
- 根据权利要求23所述的风道部件,其特征在于,所述L5与D1的比值满足:0.02≤L5/D1≤0.03。
- 根据权利要求19所述的风道部件,其特征在于,所述风道安装板还包括第三风道件,所述第三风道件与所述第一风道件沿上下方向间隔开,所述风机组件包括第三风机组件,所述第三风机组件的旋转轴线与所述第一风机组件的旋转轴线彼此平行且间隔开,所述第三风机组件与所述第三风道件连接。
- 根据权利要求21所述的风道部件,其特征在于,在出风方向上,所述第一风机组件位于所述第二风机组件的下游,所述第一风机组件的电机位于对应的所述安装腔的深度大于所述第二风机组件的电机位于对应的所述安装腔的深度。
- 一种空调器,其特征在于,包括根据权利要求15-26中任一项所述的风道部件。
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