CN106762822B - 主动吸气的轴流复合涡轮 - Google Patents

主动吸气的轴流复合涡轮 Download PDF

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CN106762822B
CN106762822B CN201611237704.6A CN201611237704A CN106762822B CN 106762822 B CN106762822 B CN 106762822B CN 201611237704 A CN201611237704 A CN 201611237704A CN 106762822 B CN106762822 B CN 106762822B
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谢奇峰
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Dongguan Zhuoqi Electronic Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30Vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/327Rotors specially for elastic fluids for axial flow pumps for axial flow fans with non identical blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329Details of the hub
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34Blade mountings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38Blades
    • F04D29/384Blades characterised by form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38Blades
    • F04D29/388Blades characterised by construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44Fluid-guiding means, e.g. diffusers
    • F04D29/441Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/64Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646Mounting or removal of fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

本发明公开了一种主动吸气的轴流复合涡轮,其包括相互配合的进气内导流壁和进气外导流壁,以及若干个形成于所述进气内导流壁和进气外导流壁之间的螺旋叶片,所述螺旋叶片临近所述轴流复合涡轮轴心的叶头在垂直于所述轴心的平面上的投影呈弧形,且其投影上任意一点与所述轴心之间的连线和其切线具有相同的预设夹角。本发明的涡轮叶片呈螺旋状,且所述螺旋叶片的叶头与所述轴心之间的连线和所述叶头自身的切线具有相同的预设夹角,使得轴流复合涡轮进风平稳流畅。而叶头在垂直于所述轴心的平面上的投影呈弧形则使得轴流复合涡轮旋转时,空气可被自动吸入涡轮通道内,实现自动吸气,进气能力强、效率高。

Description

主动吸气的轴流复合涡轮
技术领域
本发明涉及涡轮,尤其涉及一种可主动吸气的轴流复合涡轮。
背景技术
现在风扇,尤其是无叶风扇中,一般使用涡轮压缩空气从而产生风力。参考中国专利CN201320169552.6,公开了一种无叶风扇的涡轮,该涡轮的进风口处叶片临近轴心的一侧的叶头其叶线呈直线,使得该涡轮只能通过进气口的平面进风,进气能力弱,效率低。故,急需一种可解决上述问题的新的涡轮结构。
发明内容
本发明的目的是提供一种轴流复合涡轮,风力平稳且可实现自动吸气,进气能力强、效率高。
为了实现上有目的,本发明公开了一种主动吸气的轴流复合涡轮,其包括相互配合的进气内导流壁和进气外导流壁,以及若干个形成于所述进气内导流壁和进气外导流壁之间的螺旋叶片,所述螺旋叶片临近所述轴流复合涡轮轴心的叶头在垂直于所述轴心的平面上的投影呈弧形,且其投影上任意一点与所述轴心之间的连线和其切线具有相同的预设夹角。
与现有技术相比,本发明的涡轮叶片呈螺旋状,且所述螺旋叶片临近所述轴流复合涡轮轴心的叶头与所述轴心之间的连线和所述叶头自身的切线具有相同的预设夹角,使得本发明所述轴流复合涡轮进风平稳流畅。而所述叶头在垂直于所述轴心的平面上的投影呈弧形则使得轴流复合涡轮旋转时,空气可被自动吸入轴流复合涡轮的涡轮通道内,实现自动吸气,进气能力强、效率高。
较佳地,所述螺旋叶片的叶头向所述轴流复合涡轮的进风口内弯曲延伸至所述进气内导流壁上。进一步增加自动吸气能力、增加风力大小以及风速的平稳性。
较佳地,所述叶头与所述轴心之间具有一定间隙,以在若干所述螺旋叶片和所述轴心之间形成一个吸气沟道。进一步增加自动吸气能力,使得空气可从环形的吸气沟道流入涡轮通道内,风速平稳。
较佳地,所述螺旋叶片在垂直于所述轴心的平面上的投影呈弧形,进一步增加风速的平稳性。
具体的,所述螺旋叶片在垂直于所述轴心的平面上的投影为对数螺旋曲线。进一步增加风力大小以及风速的平稳性。
较佳地,所述螺旋叶片为对数螺旋叶片。
较佳地,所述螺旋叶片在所述进气内导流壁上的根部曲线为对数螺旋曲线,增加风速的平稳性和风力大小。
较佳地,所述叶头的叶面倾斜向上,以使螺旋叶片旋转斜插进气,增加主动吸气的能力。
较佳地,所述进气内导流壁为凸起的弧形曲面,所述进气外导流壁为与所述进气内导流壁配合的曲面,使得空气在沿轴向加速的同时离心加速,风力更大。
具体地,所述进气内导流壁呈母线为直线或者凸弧形的圆锥形。
较佳地,所述进气内导流壁的母线为对数螺旋曲线。
附图说明
图1是本发明所述轴流复合涡轮一个角度的立体图。
图2是本发明所述轴流复合涡轮另一个角度的立体图。
图3是本发明所述轴流复合涡轮的剖视图。
图4是本发明所述轴流复合涡轮中螺旋叶片的结构示意图。
图5是本发明所述轴流复合涡轮的俯视图。
图6是图5中D部分放大示意图。
具体实施方式
为详细说明本发明的技术内容、构造特征、所实现目的及效果,以下结合实施方式并配合附图详予说明。
参考图1至图6,本发明公开了一种主动吸气的轴流复合涡轮100,该轴流复合涡轮100包括相互配合的进气内导流壁103和进气外导流壁102,以及若干个形成于所述进气内导流壁103和进气外导流壁102之间的螺旋叶片104,进气内导流壁103、进气外导流壁102和螺旋叶片之间形成轴流复合涡轮100的涡流通道101,所述螺旋叶片104临近所述轴流复合涡轮100轴心的叶头104a在垂直于所述轴心的平面上的投影呈弧形(如图5和图6所示),且该投影上任意一点与所述轴心之间的连线和其自身的切线具有相同的预设夹角θ。其中,参考图6,一螺旋叶片104的叶头104a上的两个点B、C,点B与其轴心O点(位于轴心A-A上与所述点B位置相对的一点)之间的连线和该点B自身的切线之间具有预设夹角θ,点C与轴心O(位于轴心A-A上与所述点C位置相对的一点)之间的连线和该点C自身的切线之间具有预设夹角θ。
参考图4,所述螺旋叶片104的叶头104a向所述轴流复合涡轮100的进风口内(即沿着轴流复合涡轮100轴心由进风口向出风口方向)弯曲延伸至所述进气内导流壁103上,其中,所述叶头104a的叶线在与所述轴心A-A平行的面上的投影呈弧形。增加轴流复合涡轮100主动进气的能力,增加风力以及风的平稳性。
继续参考图4,所述叶头104a与所述轴心A-A之间具有一定间隙,以在若干所述螺旋叶片104a和所述轴心A-A之间形成一个吸气沟道105。吸气沟道105和涡流通道101联通,并将空气吸入后旋转送入涡流通道101内。
参考图6,所述螺旋叶片104在垂直于所述轴心A-A的平面上的投影呈弧形。其中,所述螺旋叶片104在垂直于所述轴心A-A的平面上的投影为对数螺旋曲线。在本实施例中,所述螺旋叶片104为对数螺旋叶片。
参考图4,所述螺旋叶片104在所述进气内导流壁上的根部曲线21为对数螺旋曲线。
参考图1和图4,所述叶头104a的叶面倾斜向上,以使螺旋叶片104旋转斜插进气,增加主动吸气的能力。
参考图3,所述进气内导流壁103为凸起的弧形曲面,所述进气外导流壁102为与所述进气内导流壁103配合的曲面。具体地,所述进气内导流壁103呈母线为凸弧形的圆锥形,当然,所述进气内导流壁103的母线也可以为直线。在本实施例中,所述进气内导流壁103的母线为对数螺旋曲线。
以上所揭露的仅为本发明的优选实施例而已,当然不能以此来限定本发明之权利范围,因此依本发明申请专利范围所作的等同变化,仍属本发明所涵盖的范围。

Claims (2)

1.一种主动吸气的轴流复合涡轮,其特征在于:包括相互配合的进气内导流壁和进气外导流壁,以及若干个形成于所述进气内导流壁和进气外导流壁之间的螺旋叶片,所述螺旋叶片临近所述主动吸气的轴流复合涡轮轴心的叶头在垂直于所述轴心的平面上的投影呈弧形,且其投影上任意一点与所述轴心之间的连线和其切线具有相同的预设夹角,所述螺旋叶片的叶头向所述主动吸气的轴流复合涡轮的进风口内弯曲延伸至所述进气内导流壁上,且所述叶头的叶面倾斜向上,以使螺旋叶片旋转斜插进气;所述螺旋叶片在垂直于所述轴心的平面上的投影为对数螺旋曲线,所述螺旋叶片在所述进气内导流壁上的根部曲线为对数螺旋曲线;所述进气内导流壁呈母线为凸弧形的圆锥形,所述进气内导流壁的母线为对数螺旋曲线,所述进气外导流壁为与所述进气内导流壁配合的曲面。
2.如权利要求1所述的主动吸气的轴流复合涡轮,其特征在于:所述叶头与所述轴心之间具有一定间隙,以在若干所述螺旋叶片和所述轴心之间形成一个吸气沟道。
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CN201621462640.5U Active CN206419269U (zh) 2016-09-12 2016-12-28 主动吸气的轴流复合涡轮
CN201621462701.8U Active CN206419267U (zh) 2016-09-12 2016-12-28 离心叶轮导流叶片及离心叶轮
CN201611236684.0A Pending CN106704258A (zh) 2016-09-12 2016-12-28 离心叶轮导流叶片及离心叶轮
CN201611236714.8A Pending CN106837866A (zh) 2016-09-12 2016-12-28 降噪减振叶轮
CN201621464544.4U Active CN206617365U (zh) 2016-09-12 2016-12-28 涡轮组件、多级级联涡轮
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CN201621462701.8U Active CN206419267U (zh) 2016-09-12 2016-12-28 离心叶轮导流叶片及离心叶轮
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