WO2019011315A1 - Roue à aubes centrifuge, ventilateur centrifuge la comprenant et collecteur de poussière - Google Patents

Roue à aubes centrifuge, ventilateur centrifuge la comprenant et collecteur de poussière Download PDF

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Publication number
WO2019011315A1
WO2019011315A1 PCT/CN2018/095571 CN2018095571W WO2019011315A1 WO 2019011315 A1 WO2019011315 A1 WO 2019011315A1 CN 2018095571 W CN2018095571 W CN 2018095571W WO 2019011315 A1 WO2019011315 A1 WO 2019011315A1
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WO
WIPO (PCT)
Prior art keywords
blade
centrifugal impeller
blades
motor
centrifugal
Prior art date
Application number
PCT/CN2018/095571
Other languages
English (en)
Chinese (zh)
Inventor
胡小文
张辉
Original Assignee
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 CN201710575924.8A external-priority patent/CN109253109B/zh
Priority claimed from CN201720862422.9U external-priority patent/CN206903939U/zh
Application filed by 美的集团股份有限公司 filed Critical 美的集团股份有限公司
Publication of WO2019011315A1 publication Critical patent/WO2019011315A1/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
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans

Definitions

  • the number of blades adjacent to the radial center in each of the blade sets is no greater than the number of blades away from the radial center.
  • the angle between the two points on the same circumference of the two adjacent blades and the line connecting the centers respectively is the misalignment angle ⁇ of the two adjacent blades.
  • ⁇ satisfies the following relationship: 0 ⁇ ⁇ ⁇ 120 ° / Z, where Z is the number of the blade groups.
  • the centrifugal fan of the embodiment of the present invention by providing the centrifugal impeller according to the above embodiment of the present invention, the flow separation of the fluid in the centrifugal impeller and the energy loss caused by the return flow can be reduced, thereby improving the working efficiency of the centrifugal fan and making the centrifugal
  • the miniaturization of the fan reduces the manufacturing cost of the centrifugal fan, and also reduces the noise of the centrifugal fan and improves the user's comfort.
  • FIG. 2 is a schematic view of a centrifugal impeller according to an embodiment of the present invention.
  • the blade 231 located upstream of the adjacent two blades 231 in each blade group 23 is formed as a convex surface toward the side of the downstream blade 231, and the downstream blade 231 is formed as one toward the side of the upstream blade 231.
  • Concave It can be understood that the bending direction of the blade 231 is the same as the rotation direction of the wheel 22. From this, it can be seen that when the centrifugal impeller 200 is operated, the convex surface is the pressure surface of the vane 231, and the concave surface is the suction surface of the vane 231.
  • the centrifugation can be ensured to some extent.
  • the impeller 200 can introduce the high-speed fluid of the convex surface of the upstream blade 231 into the low-speed region of the concave surface of the downstream blade 231, thereby reducing the energy loss of the centrifugal impeller 200 and improving the working efficiency of the centrifugal impeller 200.

Landscapes

  • 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 à aubes centrifuge (200) et un ventilateur centrifuge (1000) la comprenant et un collecteur de poussière. La roue à aubes centrifuge (200) comprend : un rebord (21) ; un disque de roue (22) disposé sur un côté du rebord (21) et coaxial au rebord (21) ; et une pluralité de groupes d'aubes (23) répartis à des intervalles dans une direction circonférentielle et disposés entre le rebord (21) et le disque de roue (22), chaque groupe d'aubes (23) comprenant une pluralité d'aubes (231) s'étendant dans une direction radiale et décalées l'une par rapport à l'autre dans une direction circonférentielle, les directions de courbure de la pluralité d'aubes (231) de chaque groupe d'aubes (23) étant identiques, et dans une direction radiale de l'intérieur vers l'extérieur, la normale d'une extrémité extérieure d'une aube (231) en amont de deux aubes adjacentes (231) de chaque groupe d'aubes (23) pointant vers une aube (231) en aval.
PCT/CN2018/095571 2017-07-14 2018-07-13 Roue à aubes centrifuge, ventilateur centrifuge la comprenant et collecteur de poussière WO2019011315A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710575924.8A CN109253109B (zh) 2017-07-14 2017-07-14 离心叶轮和具有其的离心风机、吸尘器
CN201720862422.9U CN206903939U (zh) 2017-07-14 2017-07-14 离心叶轮和具有其的离心风机、吸尘器
CN201710575924.8 2017-07-14
CN201720862422.9 2017-07-14

Publications (1)

Publication Number Publication Date
WO2019011315A1 true WO2019011315A1 (fr) 2019-01-17

Family

ID=65001539

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/095571 WO2019011315A1 (fr) 2017-07-14 2018-07-13 Roue à aubes centrifuge, ventilateur centrifuge la comprenant et collecteur de poussière

Country Status (1)

Country Link
WO (1) WO2019011315A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111472985A (zh) * 2020-04-27 2020-07-31 江苏优格曼航空科技有限公司 一种高效减震降噪的离心通风机
CN112855609A (zh) * 2019-11-28 2021-05-28 中车永济电机有限公司 风扇和电机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080050228A1 (en) * 2006-08-25 2008-02-28 Industrial Technology Research Institute Impeller Structure and the Centrifugal Fan Device Using the Same
CN101153615A (zh) * 2006-09-25 2008-04-02 财团法人工业技术研究院 离心风扇以及具有所述离心风扇的集尘盒模块
CN101608632A (zh) * 2008-06-17 2009-12-23 日立空调·家用电器株式会社 电动鼓风机及搭载了电动鼓风机的电动吸尘器
JP2011202560A (ja) * 2010-03-25 2011-10-13 Panasonic Corp 電動送風機とそれを用いた電気掃除機
CN106468286A (zh) * 2015-08-19 2017-03-01 德昌电机(深圳)有限公司 风机及其扩散器
CN106572773A (zh) * 2014-08-11 2017-04-19 三星电子株式会社 真空吸尘器
CN206903939U (zh) * 2017-07-14 2018-01-19 美的集团股份有限公司 离心叶轮和具有其的离心风机、吸尘器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080050228A1 (en) * 2006-08-25 2008-02-28 Industrial Technology Research Institute Impeller Structure and the Centrifugal Fan Device Using the Same
CN101153615A (zh) * 2006-09-25 2008-04-02 财团法人工业技术研究院 离心风扇以及具有所述离心风扇的集尘盒模块
CN101608632A (zh) * 2008-06-17 2009-12-23 日立空调·家用电器株式会社 电动鼓风机及搭载了电动鼓风机的电动吸尘器
JP2011202560A (ja) * 2010-03-25 2011-10-13 Panasonic Corp 電動送風機とそれを用いた電気掃除機
CN106572773A (zh) * 2014-08-11 2017-04-19 三星电子株式会社 真空吸尘器
CN106468286A (zh) * 2015-08-19 2017-03-01 德昌电机(深圳)有限公司 风机及其扩散器
CN206903939U (zh) * 2017-07-14 2018-01-19 美的集团股份有限公司 离心叶轮和具有其的离心风机、吸尘器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112855609A (zh) * 2019-11-28 2021-05-28 中车永济电机有限公司 风扇和电机
CN111472985A (zh) * 2020-04-27 2020-07-31 江苏优格曼航空科技有限公司 一种高效减震降噪的离心通风机
CN111472985B (zh) * 2020-04-27 2021-04-09 江苏优格曼航空科技有限公司 一种减震降噪的离心通风机

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