WO2017128803A1 - Roue de ventilateur et appareil électroménager - Google Patents

Roue de ventilateur et appareil électroménager Download PDF

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Publication number
WO2017128803A1
WO2017128803A1 PCT/CN2016/105079 CN2016105079W WO2017128803A1 WO 2017128803 A1 WO2017128803 A1 WO 2017128803A1 CN 2016105079 W CN2016105079 W CN 2016105079W WO 2017128803 A1 WO2017128803 A1 WO 2017128803A1
Authority
WO
WIPO (PCT)
Prior art keywords
blades
hub
wind wheel
blade
area
Prior art date
Application number
PCT/CN2016/105079
Other languages
English (en)
Chinese (zh)
Inventor
叶似锦
罗伟锦
潘新运
马列
Original Assignee
广东美的环境电器制造有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201621093757.0U external-priority patent/CN206626015U/zh
Application filed by 广东美的环境电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的环境电器制造有限公司
Priority to JP2018539071A priority Critical patent/JP2019504958A/ja
Publication of WO2017128803A1 publication Critical patent/WO2017128803A1/fr

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Classifications

    • 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
    • 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

Definitions

  • the invention relates to the field of household appliances, in particular to a wind wheel and a household appliance.
  • the existing double-window structure wind wheel can ensure the concentration of wind and increase the blowing distance of the wind wheel.
  • the inner blade of the existing double-layer wind blade structure has a small inner blade, which has little effect on the overall airflow, so that the air blowing area of the wind wheel is too small to meet the user's demand.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a wind wheel and a household appliance.
  • a wind wheel includes a first hub, a second hub, a plurality of first blades, and a plurality of second blades.
  • the first hub is disposed coaxially with the second hub.
  • the plurality of first vanes are fixedly coupled to the first hub and the second hub.
  • the plurality of first blades are spaced apart.
  • the plurality of second vanes are fixed to an outer side surface of the second hub.
  • the plurality of second blades are spaced apart.
  • the total area of the plurality of first blades is greater than the total area of the plurality of second blades.
  • the first blade since the total area of the first blade is larger than the total area of the second blade, the first blade has a large influence on the overall airflow of the wind wheel, so that the airflow of the first blade and the second blade can be diffused after being merged. Thereby increasing the blowing area of the wind wheel, meeting the needs of the user.
  • the angle of attack of the first blade is greater than the angle of attack of the second blade.
  • the plurality of first vanes are radially spaced about the first hub.
  • the plurality of second vanes are radially spaced about the first hub.
  • the first vanes are evenly distributed along the circumferential direction of the first hub.
  • the second vanes are evenly distributed along the circumferential direction of the second hub.
  • the first blade is an airfoil blade.
  • the second blade is an airfoil blade
  • the ratio of the total area of the plurality of first vanes to the sum of the areas of the gaps between the adjacent two of the first vanes is greater than one and less than three.
  • the ratio of the total area of the plurality of second vanes to the sum of the areas of the gaps between the adjacent two of the second vanes is greater than one and less than four.
  • a ratio of a total area of the plurality of first blades to an area of a gap between two adjacent first blades is smaller than a total area of the plurality of second blades The ratio of the sum of the areas of the gaps between two adjacent said second vanes.
  • the wind wheel is an integrally formed structure.
  • the home appliance of the embodiment of the present invention includes the above-described wind wheel.
  • the air blowing area of the household appliance in the process of use is larger, and the user's demand can be satisfied.
  • FIG. 1 is a schematic plan view of a wind wheel according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the working principle of the wind wheel according to the embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of “plurality” is two or more, Unless otherwise specifically defined.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • Connected, or integrally connected may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature “above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly above and above the second feature, or merely the first feature level being less than the second feature.
  • a wind wheel 100 includes a first hub 10 , a second hub 20 , a plurality of first blades 30 , and a plurality of second blades 40 .
  • the first hub 10 is disposed coaxially with the second hub 20.
  • the plurality of first vanes 30 are fixedly coupled to the first hub 10 and the second hub 20.
  • the plurality of first blades 30 are spaced apart.
  • a plurality of second vanes 40 are secured to the outer side 22 of the second hub 20.
  • the plurality of second vanes 40 are spaced apart.
  • the total area ⁇ S1 of the plurality of first blades 30 is greater than the total area ⁇ S2 of the plurality of second blades 40.
  • the first blades 30 of the wind wheel 100 since the total area of the first blades 30 of the wind wheel 100 is larger than the total area of the second blades 40, the first blades 30 have a greater influence on the overall airflow generated by the wind wheels 100, so that the first blades 30 After the airflow is merged with the second blade 40, the airflow can be diffused, thereby increasing the air blowing area of the wind wheel 100, and satisfying the needs of the user.
  • first blade 30 and the airflow generated by the second blade 40 merge and interact, which can reduce the eddy current generated by the centrifugal force of the wind wheel 100, and make the diffused wind closer to the natural wind, thereby improving the user experience.
  • the inventor will detect the wind wheel 100 according to an embodiment of the present invention and the existing wind wheel under the same conditions The number is compared, where the air volume and noise are compared when the speed is close to obtain Table 1:
  • first hub 10 is an inner hub and the second hub 20 is an outer hub.
  • the first blade 30 is an inner blade and the second blade 40 is an outer blade.
  • the first hub 10 is closer to the center of rotation of the wind wheel 100 than the second hub 20, and the first blade 30 is closer to the center of rotation of the wind wheel 100 than the second blade 40.
  • the inner end edges 32 of the plurality of first vanes 30 are coupled to the outer sidewall 12 of the first hub 10.
  • the outer end edges 34 of the plurality of first vanes 30 are coupled to the inner side 24 of the second hub 20.
  • the first hub 10 and the second hub 20 are directly connected by the first vane 30, which reduces the structural complexity of the wind wheel 100 and makes the wind wheel 100 easier to manufacture.
  • the plurality of first blades 30 are arranged at a radial interval around the first hub 10.
  • the first blade 30 it is advantageous for the first blade 30 to connect the first hub 10 and the second hub 20, and the strength of the wind wheel 100 can be improved.
  • the plurality of second blades 40 are arranged at a radial interval around the first hub 10.
  • This can increase the air inlet area of the wind wheel 100, and is advantageous for increasing the air volume of the wind wheel 100.
  • first vanes 30 are evenly distributed along the circumferential direction of the first hub 10.
  • the distance between any two adjacent first blades 30 in the circumferential direction is equal or arbitrary
  • the angle between the two adjacent first blades 30 is equal, which facilitates the manufacture of the wind wheel 100, and enables the first blade 30 to generate a uniform velocity airflow in the circumferential direction, ensuring the first blade 30 and the second blade. 40 can be diffused after the airflow is merged, thereby increasing the air blowing area of the wind wheel 100.
  • the second vanes 40 are evenly distributed along the circumferential direction of the second hub 20.
  • first vane 30 and the second vane 40 are evenly distributed along the circumferential direction of the wind wheel 100, and it is also ensured that the mass center of gravity of the wind wheel 100 is located at the center of rotation of the wind wheel 100 in the stationary state. This can reduce the vibration when the wind wheel 100 rotates, thereby reducing the noise generated by the rotation of the wind wheel 100.
  • the first hub 10 is provided with a central hole 14 through which the wind wheel 100 can be coupled to the rotating shaft of the motor, and the motor drives the wind wheel 100 to rotate.
  • the angle of attack of the first blade 30 is greater than the angle of attack of the second blade 40.
  • the wind wheel 100 has better aerodynamic performance, improves the efficiency of the wind wheel 100, and makes the wind wheel 100 of the present embodiment generate more air volume at the same rotational speed than the conventional wind wheel 100. Big.
  • the first blade 30 is an airfoil blade.
  • the aerodynamic performance of each of the first blades 30 can be improved, and the first blades 30 have a greater influence on the overall airflow of the wind wheel 100, so that the aerodynamic performance of the wind wheel 100 can be improved.
  • the power loss of the wind wheel 100 is reduced, and energy (such as electric energy) is saved.
  • the structures of the plurality of first blades 30 are all the same, that is, the overall structure of each of the first blades 30 is the same, which facilitates the manufacture of the wind wheel 100.
  • the first blade 30 is a twisted airfoil blade. Since the shape of the twisted blade coincides with the flow pattern of the airflow, the loss of the gas flow can be reduced, and the efficiency of the wind wheel 100 can be improved.
  • the second blade 40 is an airfoil blade. This can further improve the aerodynamic performance of the rotor 100.
  • the airfoil blade is designed, for example, with a wing of a bird as a bionic object.
  • the first blade 30 can be designed as a secondary feather shape
  • the second blade 40 can be designed as a primary feather shape, so that two layers of blades having different shapes can be designed, and the advantages are: 1
  • the shape of the blade adopts the bionic design, which makes the blade have good aerodynamic performance and the overall appearance after assembly; 2.
  • the double-layer blade design can increase the sweeping area and increase the air volume; 3.
  • the design of the double-layer blade for the middle and outer wheel hub improves The strength of the blade extends the working life.
  • the ratio of the sum ⁇ S1' of the total area ⁇ S1 of the plurality of first blades 30 to the gap between the adjacent two first blades 30 is greater than 1 and less than 3.
  • ⁇ S1/ ⁇ S1’ is greater than 1 and less than 3
  • the first blade 30 has better aerodynamic performance
  • the wind wheel 100 has a larger air volume and a larger air blowing area.
  • the ratio of the sum ⁇ S2' of the total area ⁇ S2 of the plurality of second blades 40 to the area of the gap between the adjacent two second blades 40 is larger than 1 and smaller than 4.
  • the ratio ⁇ S1/ ⁇ S1' of the sum ⁇ S1' of the total area ⁇ S1 of the plurality of first blades 30 and the gap between the adjacent two first blades 30 is smaller than the total of the plurality of second blades 40.
  • the first vanes 30 are distributed in the circumferential direction of the first hub 10 and are sparsely distributed in the circumferential direction of the second hub 20 than the second vanes 40. This can ensure that the amount of air entering the wind wheel 100 is sufficient to meet the demand for the large amount of wind of the wind wheel 100.
  • the number of the first blades 30 is seven, and the number of the second blades 40 is nine.
  • the specific number of first and second blades may be determined based on actual conditions.
  • the ratio of the sum of the total area of the plurality of first blades and the area of the gap between the adjacent two first blades is smaller than the total of the plurality of second blades. The ratio of the area to the sum of the areas of the gaps between two adjacent second blades.
  • the total area ⁇ S1 of the plurality of first blades 30, the area S1' of the gap between the adjacent two first blades 30, the total area ⁇ S2 of the plurality of second blades 40, and the adjacent two The area S2' of the gap between the second blades 40 is the area measured after the wind wheel 100 is forward projected, and the view of the forward projection of the wind wheel 100 is the view of the wind wheel 100 in FIG.
  • the area S1 of the gap between the adjacent two first blades 30 is the contour of the adjacent two first blades 30, the contour of the first hub 10, and the first line after the forward projection of the wind wheel 100 The area of the figure enclosed by the contour of the second hub 20.
  • the area of the pattern surrounded by the line segment L1, the line segment L2, the line segment L3, and the line segment L4 is the area S1' of the gap between the adjacent two first blades 30.
  • the total area ⁇ S1 of the plurality of first blades 30 is the sum of the areas S1 of the figures enclosed by the contour lines of each of the first blades 30 after the wind wheel 100 is projected forward.
  • the area S2 of the gap between the adjacent two second blades 40 is the contour of the two adjacent second blades 40 after the forward projection of the wind wheel 100, the contour of the second hub 20, and the second blade 40.
  • the area of the pattern enclosed by the extension of the outer edge contour shown by the dashed line in Figure 1).
  • the wind wheel 100 is an integrally formed structure.
  • the material of the wind wheel 100 may be all plastic, and the structure forming the wind wheel 100 is manufactured by an injection molding process.
  • the processing process of the wind wheel 100 can be simplified, the manufacturing cost of the wind wheel 100 can be reduced, and the strength of the first blade 30 and the second blade 40 can be improved, so that the first blade 30 and the second blade 40 are not easily damaged.
  • the home appliance of the embodiment of the present invention includes the above-described wind wheel 100.
  • the household appliance of the present embodiment applies the wind wheel 100 described above, the air blowing area of the household appliance during use is larger, and the user's demand can be satisfied.
  • the home appliance is, for example, a household appliance having a wind wheel such as a fan, a heater or an air conditioner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une roue (100) de ventilateur et un appareil électroménager. La roue (100) de ventilateur comprend un premier moyeu (10), un second moyeu (20), de multiples premières lames (30) et de multiples secondes lames (40). Le premier moyeu (10) et le second moyeu (20) sont disposés coaxialement. Lesdites multiples premières lames (30) sont reliées à demeure au premier moyeu (10) et au second moyeu (20). Lesdites multiples premières lames (30) sont disposées selon un certain intervalle. Lesdites multiples secondes lames (40) sont fixées à une surface latérale extérieure du second moyeu (20). Lesdites multiples secondes lames (40) sont disposées selon un certain intervalle. La surface totale desdites multiples premières lames (30) est supérieure à la surface totale desdites multiples secondes lames (40). La roue de ventilateur présente une zone importante de génération d'écoulement d'air et peut satisfaire aux demandes de l'utilisateur.
PCT/CN2016/105079 2016-01-27 2016-11-08 Roue de ventilateur et appareil électroménager WO2017128803A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018539071A JP2019504958A (ja) 2016-01-27 2016-11-08 ファン及び家電機器

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN201620083624.9 2016-01-27
CN201620083624 2016-01-27
CN201620172511 2016-03-07
CN201620172511.6 2016-03-07
CN201621093757.0U CN206626015U (zh) 2016-01-27 2016-09-29 风轮及家用电器
CN201610865361.1A CN106930974B (zh) 2016-01-27 2016-09-29 风轮及家用电器
CN201610865361.1 2016-09-29
CN201621093757.0 2016-09-29

Publications (1)

Publication Number Publication Date
WO2017128803A1 true WO2017128803A1 (fr) 2017-08-03

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Application Number Title Priority Date Filing Date
PCT/CN2016/105079 WO2017128803A1 (fr) 2016-01-27 2016-11-08 Roue de ventilateur et appareil électroménager

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WO (1) WO2017128803A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020077826A1 (fr) * 2018-10-15 2020-04-23 广东美的白色家电技术创新中心有限公司 Ventilateur
CN116538003A (zh) * 2023-05-15 2023-08-04 南京浩华建筑科技有限公司 一种仿生膜结构风叶轻质风轮结构

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761979A1 (fr) * 1995-08-03 1997-03-12 Valeo Thermique Moteur Ventilateur à courant axial
CN1236866A (zh) * 1998-05-25 1999-12-01 尹顿公司 具有增大的扇叶面积的风扇组件
CN2356177Y (zh) * 1998-10-19 1999-12-29 台达电子工业股份有限公司 风扇叶片
JP2003120588A (ja) * 2001-10-18 2003-04-23 Denso Corp 送風装置
CN102227562A (zh) * 2009-06-28 2011-10-26 博姆达株式会社 轴流风扇
CN103696987A (zh) * 2012-09-27 2014-04-02 台达电子工业股份有限公司 风扇及其增压扇叶组
CN203560153U (zh) * 2013-09-30 2014-04-23 晋锋科技股份有限公司 轴流风扇的支撑框上的扇叶风量增进结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761979A1 (fr) * 1995-08-03 1997-03-12 Valeo Thermique Moteur Ventilateur à courant axial
CN1236866A (zh) * 1998-05-25 1999-12-01 尹顿公司 具有增大的扇叶面积的风扇组件
CN2356177Y (zh) * 1998-10-19 1999-12-29 台达电子工业股份有限公司 风扇叶片
JP2003120588A (ja) * 2001-10-18 2003-04-23 Denso Corp 送風装置
CN102227562A (zh) * 2009-06-28 2011-10-26 博姆达株式会社 轴流风扇
CN103696987A (zh) * 2012-09-27 2014-04-02 台达电子工业股份有限公司 风扇及其增压扇叶组
CN203560153U (zh) * 2013-09-30 2014-04-23 晋锋科技股份有限公司 轴流风扇的支撑框上的扇叶风量增进结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020077826A1 (fr) * 2018-10-15 2020-04-23 广东美的白色家电技术创新中心有限公司 Ventilateur
CN116538003A (zh) * 2023-05-15 2023-08-04 南京浩华建筑科技有限公司 一种仿生膜结构风叶轻质风轮结构

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