WO2018028205A1 - 一种风轮及其应用于鼓风机 - Google Patents

一种风轮及其应用于鼓风机 Download PDF

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Publication number
WO2018028205A1
WO2018028205A1 PCT/CN2017/077731 CN2017077731W WO2018028205A1 WO 2018028205 A1 WO2018028205 A1 WO 2018028205A1 CN 2017077731 W CN2017077731 W CN 2017077731W WO 2018028205 A1 WO2018028205 A1 WO 2018028205A1
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WIPO (PCT)
Prior art keywords
wind
wind wheel
top panel
blades
auxiliary
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PCT/CN2017/077731
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English (en)
French (fr)
Inventor
梁成林
雷威
赵金东
陈挥秀
邹霞
周同灿
宋双喜
肖佰显
Original Assignee
中山大洋电机股份有限公司
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Priority claimed from CN201620845973.XU external-priority patent/CN205895691U/zh
Priority claimed from CN201621462277.7U external-priority patent/CN206478020U/zh
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2018028205A1 publication Critical patent/WO2018028205A1/zh

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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
    • F04D29/28—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
    • F04D29/26—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
    • F04D29/30—Vanes

Definitions

  • the utility model relates to a wind wheel and the same to the air blower.
  • the current wind wheel comprises a bottom panel, a top panel and a blade connecting the bottom panel and the top panel, forming an air inlet in the middle of the bottom panel, forming a cavity above the air inlet and inside the wind blade, forming a outside of the wind blade
  • the tuyere its working principle is: the wind wheel rotates, the air inside the wind blade is twisted to the outside, a negative pressure is formed in the cavity, and the air is drawn into the cavity from the air inlet.
  • the end of the motor shaft is mounted on the top panel.
  • the negative pressure vane is already provided on the edge of the top surface, a sufficiently large and uniform negative pressure cannot be generated in the vicinity of the shaft hole, resulting in poor effect. Not enough security.
  • the purpose of the utility model is to provide a wind wheel and its application to the air blower, and the distance L of the auxiliary wind blade from the edge of the top panel ranges from 6 mm to 14 mm, and a sufficient negative pressure value is added to make the blower operate normally.
  • a wind wheel comprises a top panel, a bottom panel and a plurality of wind blades mounted between the top panel and the bottom panel, and an air inlet is arranged in the middle of the bottom panel, and a wind duct is formed between the adjacent two wind blades, and the top panel is disposed at the center a connecting seat connected to the motor shaft, a plurality of auxiliary wind blades uniformly distributed around the axial direction are protruded in the edge of the top panel, and the auxiliary wind blade and the plurality of wind blades are distributed on both sides of the top panel, and the auxiliary wind blade leaves the top
  • the distance L of the edge of the panel ranges from 6 mm to 14 mm.
  • the height of the auxiliary vane described above is greater than or equal to the height of the wind vane.
  • auxiliary blades described above are rectangular, or triangular, or trapezoidal.
  • top panel and the bottom panel described above are circular flat plates.
  • the end of the wind blade is provided with an involute transition surface, and the involute transition surface is used to connect the blade The front and back of the piece.
  • the involute transition surface is further connected with the back surface of the wind blade with a rounded surface.
  • the rounded surface described above is tangent to the back surface of the wind blade.
  • the involute transition surface described above is tangent to the front surface of the wind blade.
  • the involute transition surface described above is tangent to the outer edges of the top and bottom panels.
  • the utility model relates to a blower, which comprises a volute, a cover plate, a motor, a motor shaft and a wind wheel.
  • the volute and the cover plate are connected and connected together to form a cavity, the wind wheel is installed in the cavity, the exhaust vent is arranged on the volute, and the cover is arranged In the air inlet, the wind wheel is a wind wheel of any of the above.
  • the height of the auxiliary wind blade is greater than or equal to the height of the wind blade, and a sufficient negative pressure value is added;
  • the auxiliary vane is rectangular, which increases the negative pressure and reduces noise.
  • the involute transition surface is further connected with the back surface of the wind blade with a rounded surface.
  • the air flow passes through the rounded surface of the back surface of the wind blade, which can reduce the end of the wind blade. Friction with air flow to reduce noise.
  • the rounded surface is tangent to the back of the wind blade, and the involute transition surface is tangent to the front surface of the wind blade.
  • the involute transition surface is tangent to the outer edge of the top panel and the bottom panel, and the integrity is strong and can be maximized. Limit the friction between the end of the wind blade and the air flow to reduce noise.
  • Figure 1 is a perspective view of a conventional wind wheel
  • Figure 2 is another perspective view of the first embodiment
  • Figure 3 is a front elevational view of the first embodiment
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a schematic view of a triangular auxiliary wind blade according to an embodiment of the present invention.
  • FIG. 6 is a schematic view of an auxiliary wind blade using a trapezoid according to an embodiment of the present invention.
  • Figure 7 is a perspective view of the wind blade of the second embodiment of the present invention.
  • Figure 8 is another perspective view of the wind blade of the second embodiment of the present invention.
  • Figure 9 is a perspective view of the wind wheel of the second embodiment of the present invention.
  • Figure 10 is another perspective view of the wind wheel of the second embodiment of the present invention.
  • Figure 11 is a front elevational view of the wind wheel of the second embodiment of the present invention.
  • Figure 12 is a cross-sectional view taken along line B-B of Figure 11;
  • Figure 13 is a partial enlarged view of C in Figure 12;
  • Figure 14 is a perspective view of the third embodiment
  • Figure 15 is an exploded perspective view of the third embodiment.
  • Embodiment 1 As shown in FIG. 2 to FIG. 4 , the embodiment is a wind wheel, comprising a top panel 1 , a bottom panel 2 , and a plurality of wind blades 3 mounted between the top panel 1 and the bottom panel 2 .
  • An air inlet 21 is disposed in the middle of the bottom panel 2, and a duct 22 is formed between the two adjacent air blades 3, and a connecting seat 11 connected to the motor shaft is disposed in the center of the top panel 1.
  • the edge 13 of the top panel 1 is convexly wound.
  • a plurality of auxiliary wind blades 12 are axially evenly distributed, and the auxiliary blades 12 and the plurality of wind blades 3 are distributed on both sides of the top panel 1, and the distance L of the auxiliary blades 12 from the edge of the top panel 1 ranges from 6 mm to 14 mm.
  • the height of the auxiliary vane 12 is greater than or equal to the height of the wind vane 3.
  • the auxiliary blade 12 is rectangular or triangular. As shown in FIG. 5, the triangular auxiliary blade 12 is used (only one auxiliary blade is drawn in the figure, but there are actually several pieces, which are not detailed here.
  • Iran Said or trapezoidal, as shown in Figure 6 is the use of trapezoidal auxiliary blades 12 (only one piece of auxiliary blades are drawn in the figure, but there are actually several pieces, which will not be described in detail here), when the auxiliary blades When it is a rectangle, it is more conducive to adjusting the negative pressure value and reducing noise.
  • the top panel 1 and the bottom panel 2 are circular flat plates.
  • the principle of the first embodiment of the present invention is that the distance L of the auxiliary blade 12 from the edge of the top panel 1 ranges from 6 mm to 14 mm, and a sufficient negative pressure value is added; the auxiliary blade 12 and the top panel 1 and the bottom panel 2 The height of the wind blade 3 is the same, and a sufficient negative pressure value is added; the auxiliary blade 12 is rectangular, which increases the negative pressure value and reduces noise.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the present embodiment is a wind wheel comprising a top panel 1 , a bottom panel 2 , and a plurality of wind blades 3 mounted between the top panel 1 and the bottom panel 2 , in the middle of the bottom panel 2
  • the air inlet 21 is disposed, the air duct 31 is formed between the two adjacent air blades 3, and the connecting seat 11 connected to the motor shaft is disposed in the center of the top panel 1.
  • the plurality of auxiliary blades 12 are protruded from the edge of the top panel 1.
  • the auxiliary wind blade 12 and the plurality of wind blades 3 are distributed on both sides of the top panel 1.
  • the end of the wind blade 3 is provided with an involute transition surface 33, and the front surface 31 and the back surface of the wind blade 3 are passed through the involute transition surface 33. 32 connected.
  • the involute transition surface 33 is further connected to the back surface 32 of the wind blade 3 with a rounded surface 34.
  • the rounded surface 34 is tangential to the back surface 32 of the wind blade 3.
  • the involute transition surface 33 is tangent to the front side 31 of the wind blade 3 .
  • the involute transition surface 33 is tangent to the outer edge of the top panel 1.
  • the involute transition surface 33 is tangent to the outer edge of the bottom panel 2.
  • the principle of the second embodiment of the present invention is that the end of the wind blade 3 is provided with an involute transition surface 33, and the front surface 31 and the back surface 32 of the wind blade 3 are connected by the involute transition surface 33, and the involute transition surface 33 A rounded surface 34 is also provided between the back surface 32 of the wind blade 3, and the rounded surface 34 is connected.
  • the involute transition surface 33 is tangential to the front side 31 of the wind blade 3, said involute transition surface 33 being tangential to the outer edge of the top panel 1, said involute
  • the line transition surface 33 is tangent to the outer edge of the bottom panel 2; when the wind wheel rotates, the air flow passes through the end involute transition surface 33 of the wind blade 3, which can reduce the friction between the end of the wind blade 3 and the air flow, and reduce noise;
  • a rounded surface is also connected between the involute transition surface and the back surface of the wind blade. When the wind wheel rotates, the air flow passes through the rounded surface of the back surface of the wind blade, which can reduce friction with the air flow and reduce noise. .
  • Embodiment 3 As shown in FIG. 14 to FIG. 15, a blower includes a volute 4, a cover 5, a motor 6, a motor shaft 7, and a wind wheel.
  • the volute 4 and the cover 5 are mounted and coupled together to form a cavity 8.
  • the wind wheel 9 is installed in the cavity 8, the volute 4 is provided with an air outlet 41, and the cover plate 5 is disposed in the air inlet 51.
  • the wind wheel 9 is any one of the first embodiment or the second embodiment. Wind wheel 9.

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

Abstract

一种风轮及应用该风轮的鼓风机，风轮包括顶面板（1）、底面板（2）以及安装连接在顶面板（1）和底面板（2）之间的若干风叶片（3），在底面板（2）中间设置进风口（21），相邻两风叶片（3）之间形成风道（22），顶面板（1）中央设置与电机轴连接的连结座（11），顶面板（1）的边缘内凸出有绕轴向均布的若干片辅助风叶（12），辅助风叶（12）与若干风叶片（3）分布在顶面板（1）的两侧，辅助风叶（12）离开顶面板（1）的边缘的距离L的范围为6mm至14mm。辅助风叶离开顶面板边缘一定的距离，有利于调整负压值。

Description

一种风轮及其应用于鼓风机 技术领域：
本实用新型涉及一种风轮及其应用于鼓风机。
背景技术：
目前的风轮，包括底面板、顶面板和连接底面板和顶面板的风叶，在底面板的中间形成进风口，在进风口的上方、风叶内侧形成空腔，在风叶外侧形成出风口，其工作原理是：风轮转动，风叶内侧的空气被甩向外侧，在空腔里形成负压，空气从进风口被抽入到空腔里面。通常电机转轴的端部是安装在顶面板，目前，虽然已经有在顶面的边缘上设有负压风叶，但是在轴孔附近不能产生足够大且均匀的负压，导致效果不好，安全性不够。
另外，风轮在旋转过程中，空气与风叶片末端的菱角发生摩擦，以致发出较大的啸叫声音，使得风机的噪音大。
发明内容：
本实用新型的目的是提供一种风轮及其应用于鼓风机，辅助风叶离开顶面板的边缘的距离L的范围6mm至14mm的范围，增加足够的负压值，使鼓风机正常运行。
本实用新型的目的是通过下述技术方案予以实现的。
一种风轮，包括顶面板、底面板以及安装连接在顶面板和底面板之间的若干风叶片，在底面板中间设置进风口，相邻两风叶片之间形成风道，顶面板中央设置与电机轴连接的连结座，所述的顶面板的边缘内凸出有绕轴向均布的若干片辅助风叶，辅助风叶与若干风叶片分布在顶面板两侧，辅助风叶离开顶面板的边缘的距离L的范围6mm至14mm的范围。
上述所述的辅助风叶的高度大于或者等于风叶片的高度。
上述所述的辅助风叶是长方形，或者是三角形，或者是梯形。
上述所述的顶面板、底面板是圆形的平板。
上述所述风叶片的末端设置有渐开线过渡面，渐开线过渡面用于连接风叶 片的正面和背面。
上述所述渐开线过渡面与风叶片的背面之间还设有倒圆角面连接起来。
上述所述倒圆角面与风叶片的背面相切。
上述所述渐开线过渡面与风叶片的正面相切。
上述所述渐开线过渡面与顶面板和底面板的外边缘相切。
一种鼓风机，包括蜗壳、盖板、电机、电机轴和风轮，蜗壳与盖板安装连接在一起形成腔体，风轮安装在腔体里面，蜗壳上设置排风口，盖板设置入风口，所述的风轮是上述所述的任何一项的风轮。
本实用新型与现有技术相比，具有如下效果：
1)辅助风叶离开顶面板的边缘的距离L的范围6mm至14mm的范围，增加足够的负压值，使鼓风机正常运行；
2)所述的辅助风叶的高度大于或者等于风叶片的高度，增加足够的负压值；
3)辅助风叶是长方形，增加足够的负压值，还能减少噪音。
4)面板、底面板以及安装连接在顶面板和底面板之间的若干风叶片，所述风叶片的末端设置有渐开线过渡面，通过渐开线过渡面将风叶片的正面和背面连接起来，风轮旋转时，空气气流经过风叶片的末端渐开线过渡面，可以减少风叶片的末端与空气气流摩擦，降低噪音；
5)所述渐开线过渡面与风叶片的背面之间还设有倒圆角面连接起来，风轮旋转时，空气气流经过风叶片的背面的倒圆角面，可以减少风叶片的末端与空气气流摩擦，降低噪音。
6)倒圆角面与风叶片的背面相切，渐开线过渡面与风叶片的正面相切，渐开线过渡面与顶面板和底面板的外边缘相切，整体性强，可以最大限度减少风叶片的末端与空气气流摩擦，降低噪音。
附图说明：
图1是现有风轮的立体示意图；
图2是实施例一的另一角度立体示意图；
图3是实施例一的主视图；
图4是图3中A-A的剖视图；
图5是本实用新型实施例一采用三角形的辅助风叶的示意图；
图6是本实用新型实施例一采用梯形的辅助风叶的示意图；
图7是本实用新型实施例二的风叶片的立体图；
图8是本实用新型实施例二的风叶片的另一角度立体图；
图9是本实用新型实施例二的风轮的立体图；
图10是本实用新型实施例二的风轮的另一角度立体图
图11是本实用新型实施例二的风轮的正视图；
图12是图11的B-B的剖视图；
图13是图12中C的局部放大图；
图14是实施例三的立体示意图；
图15是实施例三的分解示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：如图2至图4所示，本实施例是一种风轮，包括顶面板1、底面板2以及安装连接在顶面板1和底面板2之间的若干风叶片3，在底面板2中间设置进风口21，相邻两风叶片3之间形成风道22，顶面板1中央设置与电机轴连接的连结座11，所述的顶面板1的边缘13内凸出有绕轴向均布的若干片辅助风叶12，辅助风叶12与若干风叶片3分布在顶面板1两侧，辅助风叶12离开顶面板1的边缘的距离L的范围6mm至14mm的范围。
所述的辅助风叶12的高度大于或者等于风叶片3的高度。
所述的辅助风叶12是长方形，或者是三角形，如图5所示的是采用三角形辅助风叶12(图中只画出一片的辅助风叶，但其实有若干片，在此不再详细叙 述)，或者是梯形，如图6所示的是采用梯形辅助风叶12(图中只画出一片的辅助风叶，但其实有若干片，在此不再详细叙述)，当辅助风叶是长方形时，更有利于调整负压值，还能减少噪音。
顶面板1、底面板2是圆形的平板。
本实用新型实施例一的原理是：辅助风叶12离开顶面板1的边缘的距离L的范围6mm至14mm的范围，增加足够的负压值；辅助风叶12与顶面板1和底面板2之间的风叶片3高度是一样，增加足够的负压值；辅助风叶12是长方形，增加足够的负压值，还能减少噪音。
实施例二：
如图7至图13所示，本实施例是一种风轮，包括顶面板1、底面板2以及安装连接在顶面板1和底面板2之间的若干风叶片3，在底面板2中间设置进风口21，相邻两风叶片3之间形成风道31，顶面板1中央设置与电机轴连接的连结座11，所述的顶面板1的边缘内凸出有若干片辅助风叶12，辅助风叶12与若干风叶片3分布在顶面板1两侧，所述风叶片3的末端设置有渐开线过渡面33，通过渐开线过渡面33将风叶片3的正面31和背面32连接起来。
所述渐开线过渡面33与风叶片3的背面32之间还设有倒圆角面34连接起来。
所述倒圆角面34与风叶片3的背面32相切。
所述渐开线过渡面33与风叶片3的正面31相切。
所述渐开线过渡面33与顶面板1的外边缘相切。
所述渐开线过渡面33与底面板2的外边缘相切。
本实用新型实施例二的原理是：风叶片3的末端设置有渐开线过渡面33，通过渐开线过渡面33将风叶片3的正面31和背面32连接起来，渐开线过渡面33与风叶片3的背面32之间还设有倒圆角面34连接起来，所述倒圆角面34 与风叶片3的背面32相切，所述渐开线过渡面33与风叶片3的正面31相切，所述渐开线过渡面33与顶面板1的外边缘相切，所述渐开线过渡面33与底面板2的外边缘相切；风轮旋转时，空气气流经过风叶片3的末端渐开线过渡面33，可以减少风叶片3的末端与空气气流摩擦，降低噪音；所述渐开线过渡面与风叶片的背面之间还设有倒圆角面连接起来，风轮旋转时，空气气流经过风叶片的背面的倒圆角面，可以减少与空气气流摩擦，降低噪音。
实施例三：如图14至图15所示，一种鼓风机，包括蜗壳4、盖板5、电机6、电机轴7和风轮，蜗壳4与盖板5安装连接在一起形成腔体8，风轮9安装在腔体8里面，蜗壳4上设置排风口41，盖板5设置入风口51，所述的风轮9是实施例一或者实施例二中所述的任何一项的风轮9。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内

Claims (10)

  1. 一种风轮，包括顶面板(1)、底面板(2)以及安装连接在顶面板(1)和底面板(2)之间的若干风叶片(3)，在底面板(2)中间设置进风口(21)，相邻两风叶片(3)之间形成风道(22)，顶面板(1)中央设置与电机轴连接的连结座(11)，所述的顶面板(1)的边缘(13)内凸出有绕轴向均布的若干片辅助风叶(12)，辅助风叶(12)与若干风叶片(3)分布在顶面板(1)两侧，其特征在于：辅助风叶(12)离开顶面板(1)的边缘的距离L的范围6mm至14mm的范围。
  2. 根据权利要求1所述的一种风轮，其特征在于：所述的辅助风叶(12)的高度大于或者等于风叶片(3)的高度。
  3. 根据权利要求2所述的一种风轮，其特征在于：所述的辅助风叶(12)是长方形，或者是三角形，或者是梯形。
  4. 根据权利要求3所述的一种风轮，其特征在于：顶面板(1)、底面板(2)是圆形的平板。
  5. 根据权利要求1或2或3或4所述的一种风轮，其特征在于：所述风叶片(3)的末端设置有渐开线过渡面(33)，渐开线过渡面(33)用于连接风叶片(3)的正面(31)和背面(32)。
  6. 根据权利要求5所述的一种风轮，其特征在于：所述渐开线过渡面(33)与风叶片(3)的背面(32)之间还设有倒圆角面(34)连接起来。
  7. 根据权利要求6所述的一种风轮，其特征在于：所述倒圆角面(34)与风叶片(3)的背面(32)相切。
  8. 根据权利要求7所述的一种风轮，其特征在于：所述渐开线过渡面(33)与风叶片(3)的正面(31)相切。
  9. 根据权利要求8所述的一种风轮，其特征在于：所述渐开线过渡面(33)与顶面板(1)和底面板(2)的外边缘相切。
  10. 一种鼓风机，包括蜗壳(4)、盖板(5)、电机(6)、电机轴(7)和风轮(9)， 蜗壳(4)与盖板(5)安装连接在一起形成腔体(8)，风轮(9)安装在腔体(8)里面，蜗壳(4)上设置排风口(41)，盖板(5)设置入风口(51)，其特征在于：所述的风轮(9)是权利要求1至权利要求9所述的任何一项的风轮(9)。
PCT/CN2017/077731 2016-08-06 2017-03-22 一种风轮及其应用于鼓风机 WO2018028205A1 (zh)

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CN201621462277.7U CN206478020U (zh) 2016-12-29 2016-12-29 一种风轮及其应用于鼓风机
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CN2504414Y (zh) * 2001-09-24 2002-08-07 丁震华 用于增压离心鼓风机的叶轮
CN201739226U (zh) * 2010-08-06 2011-02-09 乌海黑猫炭黑有限责任公司 一种防风机输送泄漏的装置
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