WO2007019796A1 - Soufflante axiale pressurisee - Google Patents

Soufflante axiale pressurisee Download PDF

Info

Publication number
WO2007019796A1
WO2007019796A1 PCT/CN2006/002068 CN2006002068W WO2007019796A1 WO 2007019796 A1 WO2007019796 A1 WO 2007019796A1 CN 2006002068 W CN2006002068 W CN 2006002068W WO 2007019796 A1 WO2007019796 A1 WO 2007019796A1
Authority
WO
WIPO (PCT)
Prior art keywords
impeller
blade
axial
impeller blade
edge
Prior art date
Application number
PCT/CN2006/002068
Other languages
English (en)
Chinese (zh)
Inventor
Junhao Lin
Original Assignee
Junhao Lin
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
Application filed by Junhao Lin filed Critical Junhao Lin
Publication of WO2007019796A1 publication Critical patent/WO2007019796A1/fr

Links

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
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • 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
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud

Definitions

  • the invention relates to the field of air purification technology, in particular to a supercharged axial flow fan.
  • Axial fans currently used have low wind pressure, poor ability to handle pollutants, high noise, high energy consumption, low efficiency, and narrow use range. Summary of the invention
  • the object of the present invention is to provide a supercharged axial flow fan which has high wind pressure, strong ability to handle pollutants, low energy consumption, high efficiency, low noise and wide application range.
  • a supercharged axial flow fan which comprises an impeller, an impeller blade and a motor, characterized in that a booster baffle is arranged on the impeller blade, and the booster baffle is arranged at One side of the working surface of the impeller blade is connected to the side wall of the working surface of the impeller blade.
  • the impeller of the supercharged axial flow fan is the same as the existing axial flow fan impeller. It is also composed of the impeller blades and the hub (core or root block). It is also that the leading edge of the impeller blades absorbs the intake air in the direction of rotation. The air flow is exhausted axially from the trailing edge of the impeller blades
  • the axial windward side of the impeller (the axial inlet face of the impeller) is defined as the axially outer side of the impeller (or the front axial side), and the side of the impeller blade corresponding thereto is defined as the outer side of the impeller blade.
  • Impeller The axial exhaust surface is defined as the axial inner side of the impeller (or the axial rear side of the impeller), and this side of the impeller vane is defined as the working surface of the impeller vane.
  • the impeller blade is radially close to the core tube or the shaft plate, and the root block portion is the root of the impeller blade, referred to as the blade root, and the radial end of the impeller blade is the top of the impeller blade, referred to as the tip of the blade.
  • the impeller blade is near the blade root and is called the lower or bottom of the impeller blade.
  • the impeller blade is near the top of the blade and is called the upper part of the impeller blade.
  • the axial air inlet edge of the impeller blade is the leading edge of the impeller blade, and the axial exhausting edge is called the trailing edge of the impeller blade.
  • the outer edge of the impeller is the radial edge of the impeller, and the axial side edge of the impeller is the axial edge of the impeller.
  • the axial edge of the impeller is divided into the axial edge of the impeller and the axial edge of the impeller.
  • the impeller of the present invention may be single-stage or multi-stage, and the impeller blade may be a circular arc shape, which may be a straight plate shape, may be a curved plate shape, or may be a machine. Different structural forms such as wing shape.
  • the impeller blades can be connected with the axial flow core-shaped hub to form a uniform impeller, or can be connected with the centrifugal shaft plate and the blade root plate to form a uniform impeller.
  • the purpose of providing the booster baffle on the impeller blade is to allow the airflow entering the inner side of the impeller to flow along the impeller blade working face along the track determined by the booster baffle, thus increasing the effective contact area of the airflow to the impeller blade.
  • the airflow can be more piled up to absorb the energy transmitted by the impeller blades, so that a higher wind pressure can be obtained.
  • the pressurized baffle must traverse the working surface of the impeller blade from the leading edge (or near the leading edge) of the impeller blade to its trailing edge (or near the trailing edge).
  • This traverse can be straight, can be oblique, can be linear or curved, but in either traverse mode, the bottom of the pressurized baffle and the impeller blade face side
  • the walls including the sidewall edges of the impeller blade face) are connected.
  • one impeller vane working surface can be provided with one boosting baffle, or more than two supercharged baffles.
  • the pressurized deflector can also be disposed at the top edge of the impeller blade, and the pressurized baffle disposed on the top edge of the impeller blade can also block the radial flow of the impeller blade from the impeller blade, so that The boosting effect can also achieve the effect of reducing noise.
  • the pressurized baffle can be in a variety of different configurations, such as a straight plate, a curved plate, an airfoil, and the like.
  • the length of the booster baffle may be greater or less than the impeller blade width (from the leading edge of the impeller blade to its trailing edge) or may be equal to the impeller blade width.
  • the technical solution can also provide a reinforcing lacing on the edge of the impeller.
  • the impeller edge referred to herein includes the impeller radial edge and the impeller axial edge.
  • the reinforcing ribs provided at the radial edges of the impeller are connected to the tops of the respective impeller blades, and the respective impeller blades are integrally connected from the outer circumference of the impeller by means of such radial reinforcing lacings, such radial reinforcing lacings may be It can be a few.
  • the impeller axial edge reinforcement rib is disposed on an axial side or both axial sides of the impeller.
  • Such axial edge reinforcement lacings are joined to the leading or trailing edge of the impeller blades or the impeller blade side wall surfaces.
  • the impeller blades are joined together from the leading or trailing edge of each blade or its side by means of such axially reinforced lacing.
  • the axial reinforcement of the impeller can be arranged on both axial sides of the impeller or on only one axial side.
  • a reinforcing lacing can be provided on one axial side or several reinforcing lacings can be provided.
  • the radially reinforcing lacing or the axial reinforcing lacing may be in the form of a whole circular ring structure, or may be a plurality of curved or linear structural forms connecting the two impeller blades respectively, so that the entire impeller blades are integrally connected.
  • the impeller of the present technical solution can also be provided with a blade root seat plate.
  • the root seat disk is smaller than the general centrifugal impeller leaf disc, and it is only located in the middle of the axial side of the impeller. Its function is to connect the fixed impeller blades from the root of the impeller blades.
  • the blade root seat discs may be provided separately or simultaneously on both axial sides of the impeller as needed.
  • the root seat plate provided on the axial side of the impeller may be provided with a negative pressure hole on the front axial side thereof, and the negative pressure hole communicates with the air flow passage on the inner side of the impeller.
  • the negative pressure orifice can directly draw the gas into the inner side of the impeller for processing, and then discharge the impeller axially along the outlet edge of the impeller blade.
  • the root pocket of the negative pressure orifice can increase the flow rate of the impeller. Increase the wind pressure, the radial size of the impeller can be reduced
  • the supercharged axial flow fan impeller of the invention can be used alone without a casing, and can be made into various exhaust fans and ventilation fans, or can be made into various axial flow fans by adding a casing.
  • the impeller can be used in a single stage, or a plurality of impellers can be used in series to form a multi-stage axial flow fan.
  • it can achieve significant wind pressure, high efficiency, energy saving and low noise.
  • Figure 1 is a schematic view showing the structure of the present invention
  • Figure 2 is a view of the direction A of Figure 1:
  • Figure 3 is a schematic view showing the second structure of the present invention.
  • Figure 4 is a B-direction view of Figure 3;
  • Figure 5 is a schematic view of the third structure of the present invention:
  • Figure 6 is a fourth structural schematic view of the present invention:
  • Figure 7 is a schematic view showing the fifth structure of the present invention.
  • a supercharged axial flow fan includes an impeller 1, an impeller blade 2, and an electric motor 3.
  • the impeller 1 is composed of six arc-shaped impeller blades 2 and a core-cylinder hub, and the impeller blade blade root 10 is welded to the outer side of the core tube, and two impeller-shaped pressure-adjusting baffles 4 are arranged on each impeller blade working surface, and the guiding direction of each of the pressure-adjusting baffles is from the impeller blade leading edge 8 Pointing to the trailing edge 9 of the impeller blade and traversing the impeller blade, the bottom of each of the pressure-adjusting baffles 4 is connected to the side wall of the impeller blade working surface, and one of the pressurized baffles 4 is disposed at the middle of the working surface of the impeller blade, A pressurized baffle 4 is provided on the end wall of the impeller blade tip 11 (the end of the impeller blade face).
  • the gas enters the impeller from the axial side of the front of the impeller, and enters the impeller blade working face from the inlet of the impeller blade leading edge 8 and flows along the curved working track defined by the pressurized baffle 4 through the impeller working face, and then the trailing edge of the impeller blade 9
  • the outlet axially exits the impeller blades to form an axial flow of gas that exits the impeller. Due to the action of the pressure-adjusting baffle 4, the airflow entering the working surface of the impeller blade cannot be directly discharged from the impeller blade, and due to the limitation of the circular-shaped boosting baffle 4, the impeller blade and the supercharging guide can be more absorbed.
  • the Taiwanese that passed the film Due to the action of the pressure-adjusting baffle 4, the airflow entering the working surface of the impeller blade cannot be directly discharged from the impeller blade, and due to the limitation of the circular-shaped boosting baffle 4, the impeller blade and the supercharging guide can be more absorbed.
  • This embodiment is suitable for use as a variety of exhaust fans and ventilation fans. Since the pressure-adjusting baffle 4 is provided at the edge of the impeller blade top working face, the airflow flowing through the inside of the impeller does not radially overflow the impeller due to the centrifugal force. Therefore, although the cylindrical casing is not provided, the impeller is processed. The air flow will also be axially discharged from the impeller to form an axial flow of air. Therefore, although this case does not have a casing, it can be used as an axial fan with a casing.
  • this example is substantially the same as Example 1, except that the impeller hub of this example consists of a bushing and a blade seat plate 6.
  • the root portion of the two axial sides of the impeller is provided with a blade seat plate 6, and the bottom half and the root of the six impeller blades are fixed on the blade root plate.
  • the second difference is that the rear axial side of the example is provided with a circular ring.
  • the reinforcing ribs 5, the annular reinforcing ribs 5 are connected to the trailing edge edges of the respective impeller blades, and the six impeller blades are integrally connected.
  • the third difference is that the pressurized baffle 4 on the impeller blade of this example is provided only one, and the pressurized baffle is disposed on the working edge of the impeller blade.
  • This example is suitable for use as a large-scale inorganic shell (with shroud) axial flow fan.
  • the present example and the example 2 are basically the same, except that the blade root seat plate 6 of the front axial side of the impeller of the present embodiment is provided with six negative pressure holes 7, six negative pressure holes 7 and an impeller.
  • the inner air flow passage is connected.
  • the outer edge of the impeller of this example is provided with a circular radial reinforcing rib 5, and the radial reinforcing rib 5 is connected with the tip edge of the impeller blade, and the impeller blades are integrated into one. .
  • the impeller has a negative pressure hole on the axial side of the impeller, due to the centrifugal force, the negative pressure of the airflow inside the impeller will suck the outside air from the axial direction through the negative pressure hole, that is, work At this time, the negative pressure orifice will draw the outside air as the leading edge of the impeller blade, so the impeller flow is extraordinarily larger. A certain flow rate is determined. With the structure of this example, the impeller diameter can be much smaller.
  • Example 2 The performance and use of this example are the same as in Example 1.
  • the main structure of the present example is the same as that of the example 2, except that the front axial side of the impeller of the present example is not provided with a blade root seat disk 6, and a circular annular reinforcing rib 5 is arranged in the middle of the front axial side of the impeller.
  • the circular reinforcing ribs are connected with the leading edge edges of the respective impeller blades, and the annular reinforcing ribs are further provided with six linear reinforcing ribs, and the respective linear reinforcing ribs are respectively connected to one outer side of the impeller blades and the other The inner side edge of the impeller blade, the six impeller blades are connected by means of six linear reinforcement lacings.
  • the impeller structure of this example is the same as that of Example 4.
  • the difference is that the outer periphery of the impeller and the outer periphery of the motor are provided with a cylindrical casing 12, and the motor 3 is fixed inside the cylindrical casing.
  • the second difference is that the front axial side of the impeller of this example is provided with a blade root disk 6.
  • This example is suitable for use in a variety of tubular axial flow fans.
  • a supercharged axial flow fan comprising an impeller (1), an impeller blade (2), and a motor (3), wherein the impeller blade (2) is provided with a pressure-adjusting baffle (4) for supercharging
  • the deflector (4) is disposed on one side of the working surface of the impeller blade, and the bottom edge thereof is connected to the side wall of the working surface of the impeller blade (2).
  • the supercharged axial flow fan according to claim 1 characterized in that the side edge of the impeller (1) is provided with a reinforcing lacing (5), and the reinforcing lacing (5) is connected to the impeller blade (2). together.
  • a supercharged axial flow fan according to claim 1 or 2 characterized in that the axial portion of the impeller (1) is provided with a root seat plate (6), a blade root plate (6) and an impeller. The roots of the blades (2) are joined together.

Landscapes

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

Abstract

Cette soufflante axiale pressurisée comprend un impulseur, une aube et un moteur et est caractérisée en ce que l'aube est doté d'un déflecteur pressurisé (116) sur la partie pression de l'aube et dont le bas est fixé à la paroi latérale de la partie pression de l'aube. La soufflante axiale pressurisée de cette invention peut ne pas être constituée d'un boîtier à usage unique et constituant différentes soufflantes de ventilateur ou peut, au contraire, être dotée d'un boîtier constituant différentes soufflantes axiales. Les avantages recensés sont la forte pression, l'efficacité, l'économie d'énergie le faible bruit.
PCT/CN2006/002068 2005-08-19 2006-08-15 Soufflante axiale pressurisee WO2007019796A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2005200862512U CN2839671Y (zh) 2005-08-19 2005-08-19 增压式轴流风机
CN200520086251.2 2005-08-19

Publications (1)

Publication Number Publication Date
WO2007019796A1 true WO2007019796A1 (fr) 2007-02-22

Family

ID=37427655

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/002068 WO2007019796A1 (fr) 2005-08-19 2006-08-15 Soufflante axiale pressurisee

Country Status (2)

Country Link
CN (1) CN2839671Y (fr)
WO (1) WO2007019796A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010056145A1 (de) * 2010-12-20 2012-06-21 Ziehl-Abegg Ag Flügelrad für einen Ventilator sowie Verfahren zur Herstellung eines solchen Flügelrades
CN114383802A (zh) * 2021-12-23 2022-04-22 中国航天空气动力技术研究院 一种双圆弧风洞拐角导流片气动优化方法、导流片及风洞

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101205934B (zh) * 2006-12-19 2011-04-20 台达电子工业股份有限公司 风扇及其扇框
CN100460691C (zh) * 2007-04-04 2009-02-11 林钧浩 增压式离心后流风机叶轮
DK2488760T3 (en) * 2009-10-13 2019-01-21 Novenco Building & Ind A/S Axial blower and blower rotor
CN101776090B (zh) * 2009-12-29 2013-02-20 林钧浩 环流增压通风压气机
CN103233900B (zh) * 2013-05-09 2018-02-06 林钧浩 管道轮增压通风压缩机
JP6303461B2 (ja) * 2013-12-06 2018-04-04 日本電産株式会社 インペラ、および、送風機
TWI829531B (zh) * 2023-02-16 2024-01-11 建準電機工業股份有限公司 扇輪及具有該扇輪之散熱風扇

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2059192U (zh) * 1989-12-09 1990-07-11 上海交通大学 低噪声轴流风机
US5096382A (en) * 1989-05-17 1992-03-17 Gratzer Louis B Ring-shrouded propeller
CN2377383Y (zh) * 1998-06-19 2000-05-10 西北工业大学 一种轴流式风机叶片
JP2003093137A (ja) * 2001-09-25 2003-04-02 Matsushita Electric Works Ltd ヘアードライヤー
US6626640B2 (en) * 2001-11-19 2003-09-30 Durmitor Inc. Fan with reduced noise
CN2670642Y (zh) * 2003-06-20 2005-01-12 林钧浩 多功能强力抽吸后流风机
CN1590778A (zh) * 2003-08-25 2005-03-09 乐金电子(天津)电器有限公司 轴流风扇
CN2742201Y (zh) * 2004-04-08 2005-11-23 林钧浩 多壁叶片增压后流风机

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096382A (en) * 1989-05-17 1992-03-17 Gratzer Louis B Ring-shrouded propeller
CN2059192U (zh) * 1989-12-09 1990-07-11 上海交通大学 低噪声轴流风机
CN2377383Y (zh) * 1998-06-19 2000-05-10 西北工业大学 一种轴流式风机叶片
JP2003093137A (ja) * 2001-09-25 2003-04-02 Matsushita Electric Works Ltd ヘアードライヤー
US6626640B2 (en) * 2001-11-19 2003-09-30 Durmitor Inc. Fan with reduced noise
CN2670642Y (zh) * 2003-06-20 2005-01-12 林钧浩 多功能强力抽吸后流风机
CN1590778A (zh) * 2003-08-25 2005-03-09 乐金电子(天津)电器有限公司 轴流风扇
CN2742201Y (zh) * 2004-04-08 2005-11-23 林钧浩 多壁叶片增压后流风机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010056145A1 (de) * 2010-12-20 2012-06-21 Ziehl-Abegg Ag Flügelrad für einen Ventilator sowie Verfahren zur Herstellung eines solchen Flügelrades
CN114383802A (zh) * 2021-12-23 2022-04-22 中国航天空气动力技术研究院 一种双圆弧风洞拐角导流片气动优化方法、导流片及风洞

Also Published As

Publication number Publication date
CN2839671Y (zh) 2006-11-22

Similar Documents

Publication Publication Date Title
WO2007019796A1 (fr) Soufflante axiale pressurisee
WO2012139265A1 (fr) Compresseur de ventilation à haute pression et à haute température générant de la chaleur pour la mise sous pression centripète
CN100460691C (zh) 增压式离心后流风机叶轮
WO2017133370A1 (fr) Roue de ventilateur et ventilateur l'utilisant
JP2003148395A (ja) 空調用送風機羽根車
CN106989034A (zh) 离心风机及具有其的吸尘器
CN105673559B (zh) 带机匣的高效子午加速轴流风机
KR100421382B1 (ko) 터보팬
CN110513327B (zh) 斜流风机和家电设备
CN208565061U (zh) 斜流风机和家电设备
CN100478572C (zh) 增压式离心风机叶轮
CN106958538A (zh) 离心风机及具有其的吸尘器
JP2009068372A (ja) 遠心圧縮機
US8584664B2 (en) Inducer fan assembly for a furnace
CN209925295U (zh) 鱼鳍形仿生降噪离心风机
CN101566164A (zh) 多功能同步后流通风压缩机
WO2011079511A1 (fr) Compresseur d'air pour l'accélération de la circulation et la ventilation
JP2001003894A (ja) 電動送風機およびそれを搭載した電気掃除機
CN215109624U (zh) 组合风机以及烹饪器具
CN209818372U (zh) 一种高效静音的负压式轴流风机
CN210164667U (zh) 一种中置双轴流离心风机
CN209261908U (zh) 风轮、风机组件及干衣机
CN209228698U (zh) 一种高效节能的等截面流道叶轮
CN113309714A (zh) 多翼离心风机和家用电器
CN207750261U (zh) 高效静音微电机轴流风扇

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06775386

Country of ref document: EP

Kind code of ref document: A1