WO2011085524A1 - 节能风扇 - Google Patents

节能风扇 Download PDF

Info

Publication number
WO2011085524A1
WO2011085524A1 PCT/CN2010/000433 CN2010000433W WO2011085524A1 WO 2011085524 A1 WO2011085524 A1 WO 2011085524A1 CN 2010000433 W CN2010000433 W CN 2010000433W WO 2011085524 A1 WO2011085524 A1 WO 2011085524A1
Authority
WO
WIPO (PCT)
Prior art keywords
hub
blade
degrees
blades
rib
Prior art date
Application number
PCT/CN2010/000433
Other languages
English (en)
French (fr)
Inventor
贺频艳
Original Assignee
雪龙集团有限公司
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
Application filed by 雪龙集团有限公司 filed Critical 雪龙集团有限公司
Priority to EP10842808A priority Critical patent/EP2525061A1/en
Priority to US13/521,925 priority patent/US9217443B2/en
Priority to JP2012547420A priority patent/JP5597261B2/ja
Priority to KR1020127021012A priority patent/KR101339590B1/ko
Publication of WO2011085524A1 publication Critical patent/WO2011085524A1/zh

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
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/34—Blade mountings
    • 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
    • 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
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction

Definitions

  • the utility model relates to a cooling fan, in particular to a fan in an automobile cooling system.
  • the cooling fan in the prior art generally consists of a pallet, a hub and a blade.
  • the hub and the blade are generally integrally molded.
  • the thickness of the hub is reduced as much as possible, and the hub is made thinner.
  • the root of the blade needs to be twisted and connected to the hub, but this structure easily causes the blade root to break.
  • some solutions have appeared in the prior art. For example, the patent application No. WO 2008/141253 A1, published on Nov.
  • a fan mechanism including a hub assembly, a plurality of blade elements extending radially outward from the hub, a plurality of spirals
  • the distributed triangular piece has a number of triangles corresponding to the number of blades, and each of the triangular pieces extends from a hub adjacent to one blade to a trailing edge of an adjacent blade.
  • the technical solution enhances the connection strength between the blade and the hub by providing a triangular piece.
  • the triangular piece can increase the connection strength of the blade, the connection structure is liable to cause stress concentration, thereby reducing the strength of the blade and making the blade susceptible to breakage. At the same time, this structure will also reduce the air volume and efficiency of the fan blades.
  • Utility model content Utility model content
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art described above, and to provide an efficient energy-saving fan that has high strength, low flow energy loss, high fan efficiency, and low cost.
  • An energy efficient cost reducing fan includes a pallet, a hub coupled to the pallet, and a plurality of curved surfaces extending radially outward from the hub a blade, the roots of the adjacent blades are connected together by a curved connecting portion, and the connecting portion is formed by a trailing edge of the preceding blade extending toward a leading edge of the latter blade, and the windward surface of each of the blades Forming a first reinforcing rib from a corner of the trailing edge to the hub, the leeward side of each of the blades is formed with a second reinforcing rib from a corner of the leading edge to the hub, the leeward surface of each of the blades A third reinforcing rib is formed from the hub toward the trailing edge.
  • an efficient and energy-saving fan has the following subsidiary technical features:
  • the first reinforcing rib is coupled to the hub along a direction before the trailing edge of the blade at a corner.
  • the second reinforcing rib is coupled to the hub along a front edge of the blade before the corner.
  • connection point of the third reinforcing rib to the hub is adjacent to a leading edge of the blade and extends along an inlet wind direction.
  • connection point of the third reinforcing rib to the hub is located at 3/5 to 4/5 of the projection width of the blade.
  • the hub is provided with a plurality of circular holes in the thickness direction, and the circular holes are adapted to receive a balance adjusting steel ball.
  • the pallet is a one-shot stretch structure, the edges of which are injection molded with the hub.
  • the pallet is a flat plate structure whose edges are injection molded with the hub.
  • Each of the blades includes a body, a root and an end, and the body is equally divided into five sections to form a total of six sections, from a section near the root to a section near the end, a string and a horizontal line of each section
  • the angles are: 40. 5 degrees - 42. 5 degrees, 39. 5 degrees - 41. 5 degrees, 37. 9 degrees - 39. 9 degrees, 36. 3 degrees - 38. 3 degrees, 34. 9 degrees -36. 9 degrees, 33. 8 degrees - 36 degrees.
  • the height of the first rib, the second rib and the third rib is 1. 5mm_5. 0mm.
  • the utility model provides an energy-efficient and cost-reducing fan according to the present invention, which has the following advantages compared with the prior art:
  • the utility model has the root portion of the windward and leeward faces of the blade
  • the ribs are not arranged, so that the strength of the blade root is increased, so that the root of the blade is not easily broken, and the service life of the blade is improved.
  • the adjacent blades of the present invention are connected by a curved connecting portion.
  • the utility model is provided with a plurality of circular holes on the hub, according to the adjusting blade
  • the steel balls are placed in the round holes at different positions, so that the balance adjustment can be achieved.
  • the balance can be adjusted because the steel balls of the standard parts can be used at the lowest cost. Because the steel balls are standard parts, the cost is the lowest, and the balance can be used at one time. Place a few steel balls for one-time press-fit, because the hard extrusion will not make the steel balls jump out.
  • Figure 1 is a front view of the utility model.
  • Figure 2 is a plan view of the present invention.
  • Figure 3 is a rear elevational view of the present invention.
  • Figure 4 is a right side view of the present invention.
  • Figure 5 is a front perspective view of the present invention.
  • Figure 6 is a perspective view of the reverse side of the present invention.
  • Figure 7 is a cross-sectional view taken along line A-A of Figure 3.
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 3.
  • Figure 9 is a cross-sectional view taken along line C-C of Figure 3.
  • Figure 10 is a cross-sectional view taken along line D-D of Figure 3.
  • Figure 11 is a cross-sectional view taken along line E-E of Figure 3.
  • Figure 12 is a cross-sectional view taken along line F-F of Figure 3.
  • Figure 13 is a cross-sectional view taken along line G-G of Figure 1.
  • Figure 14 is a front elevational view of another embodiment of the present invention.
  • Figure 15 is a cross-sectional view taken along line HH of Figure 14;
  • an efficient energy-saving fan comprising a pallet 1 , a hub 2 connected to the pallet 1 and a plurality of hubs from the hub 2 curved-shaped vanes 3 extending radially outward, the roots 31 adjacent to the vanes 3 are joined together by a curved connecting portion 32, the connecting portion 32 being moved from the trailing edge 33 of the preceding vane to the rear vane
  • the leading edge 34 extends in the direction of the windward surface (concave surface) 35 of each of the blades 3 from the corner 33 of the trailing edge 33 to the hub 2 is formed with a first reinforcing rib 41, and the leeward of each of the blades 3
  • a second rib 42 is formed on the face (convex surface) 36 from the corner 341 of the leading edge 34 to the hub 2, and the leeward side (convex surface) 36 of each of the blades 3 is formed from the hub 2 toward the trailing edge 33.
  • the pallet 1 of the present invention is generally made of a metal material for connection with a drive mechanism, and thus the pallet 1 is provided with a plurality of fixing holes for mounting thereon.
  • the hub 2 and the vane 3 are integrally formed, and the pallet 1 and the hub 2 are generally injection molded together during manufacture.
  • the thickness of the hub 2 in the present invention is smaller than the width of the blade, thereby facilitating the connection of the pallet 1 to the drive mechanism. Since the thickness of the hub 2 is smaller than the width of the blade, when the root 31 of the blade 3 is coupled to the hub, the root portion 31 needs to be changed in shape to suit the thickness of the hub 2. However, when the shape is changed, the connection strength between the blade 3 and the hub 2 is lowered.
  • the root portion 31 of the adjacent blade 3 is connected by a curved connecting portion, so that the respective blades 3 are integrally formed, and the root portion 31 is also enlarged.
  • the joint area of the hub 2 increases the joint strength.
  • the blade 3 of the present invention includes a body 38, a root portion 31 and an end portion 39.
  • the body 38 forms a corner with the root portion 31 at the interface such that the trailing edge 33 of the blade 3 passes through the outer edge 321 of the connecting portion 32 and the adjacent blade 3
  • the leading edges 34 are connected together.
  • the orthographic projections of the three parts connected together are approximately U-shaped or approximately V-shaped.
  • the utility model increases the strength of the root portion 31 of each blade 3 by providing reinforcing ribs on the root portion 31 of each blade 3, so that the blade 3 is not easily broken, and the service life of the blade is improved.
  • the first reinforcing rib 41 is coupled to the hub 2 along a trend of the trailing edge 33 of the blade 3 before the corner 331.
  • the first rib 41 is connected to the rear edge 33 of the body 38 of the blade 3, so that the first rib 41 and the trailing edge 33 form a unitary structure, and the first rib 41 is not only
  • the strength of the blade 3 is increased, and the windward surface (concave surface) of the blade 3 is also better.
  • the second reinforcing rib 42 is coupled to the hub 2 along a trend of the leading edge 34 of the blade 3 before the corner 341. . It is meant that the second reinforcing rib 42 is connected to the leading edge 34 of the body 38 of the blade 3 such that the second reinforcing rib 42 and the leading edge 34 form an integral structure, and the second reinforcing rib 41 is not only The strength of the blade 3 is increased, and the leeward (convex) performance of the blade 3 is also improved.
  • connection point 21 of the third reinforcing rib 43 and the hub 2 is close to the leading edge 34 of the blade 3, and along the air inlet.
  • the wind extends.
  • the connection point 21 of the third rib 43 to the hub 2 is located at 3/5 to 4/5 of the projection width of the blade.
  • This embodiment is 2/3.
  • the third reinforcing rib 43 is formed on the leeward side (convex surface), and its course is substantially arranged along the air flow direction, and does not affect the air flow.
  • the hub 2 is provided with a plurality of circular holes 22 in the thickness direction, and the circular holes 22 are adapted to receive the balance adjusting steel balls 23.
  • the circular hole 22 is arranged along the hub 2, and the steel ball 23 is placed in the circular hole 22 at different positions according to the balance requirement, thereby solving the problem of balancing the fan in the production, and the steel ball of the standard part can be adjusted to have the lowest cost.
  • Balance because the steel ball is a standard part, the cost is the lowest, you can put a few steel balls according to the balance amount at one time, and carry out one-time press-fit, due to hard extrusion It does not make the steel ball jump out. It is less efficient than other traditional adjustment balances such as balance block, insert, rivet, filature, drilling, etc. Some are non-standard parts, some are small in purchase cost, and can not be pressed at one time. .
  • the pallet 1 is a one-shot tensile structure, and the stretching depth can be arbitrarily adjusted according to installation requirements, and the edge thereof is injection molded with the hub. .
  • the installation position can be adjusted without the need to redesign the blades to facilitate the machining of the blades.
  • the body 38 of the blade 3 is equally divided into five sections to form six sections, from a section near the root to a section near the end, each The angle between the chord line and the horizontal line of the section is: 40. 5 degrees - 42. 5 degrees, 39. 5 degrees - 41. 5 degrees, 37. 9 degrees - 39. 9 degrees, 36. 3 degrees - 38. 3 Degree, 34. 9 degrees - 36. 9 degrees, 33. 8 degrees - 36 degrees.
  • the six cross-sectional positions at this point are shown by the hatching in Fig. 3, and in this embodiment, from the A-A hatching to the F-F hatching. 5 ⁇ 3.
  • Blades of this shape have better performance, resulting in the best flow, power and efficiency.
  • This embodiment is 3. 5 mm.
  • the height of the rib can better meet the needs of the blade strength, and can increase the strength of the blade 3, so that the blade 3 is not easily broken.
  • the pallet 1 is a flat plate structure whose edges are injection molded with the hub 2.
  • the fan of the utility model can be a suction fan or an exhaust fan.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

节能风扇 技术领域
本实用新型涉及一种冷却风扇，尤其涉及一种汽车冷却系统中的 风扇。
背景技术
现有技术中的冷却风扇一般都是由托板、轮毂和扇叶组成，轮毂 和扇叶一般一体注塑而成，为了节省材料，尽可能的减少轮毂的厚度， 将轮毂做的比较薄。当大扇叶与轮毂连接的时候， 扇叶的根部需要扭 曲后与轮毂连接， 但这种结构容易造成扇叶根部断裂。为了提高扇叶 与轮毂之间的连接强度， 现有技术出现了一些解决方案。例如公告号 为 W02008/141253A1号专利申请， 公开日为 2008年 11月 20曰， 公开了 一种风扇机构， 包括一个轮毂组件， 多个从轮毂径向向外延伸的叶片 元件， 多个螺旋形分布的三角片， 三角片数量与叶片数量相应， 每个 三角片从与一个叶片邻近的轮毂处延伸到一个邻近叶片的后缘。该技 术方案通过设置三角片来增强叶片与轮毂的连接强度，这种三角片虽 然能够增加叶片的连接强度， 但这种连接结构容易造成应力集中， 从 而降低叶片的强度， 使得叶片容易发生折断。 同时， 这种结构也会降 低扇叶的风量、 效率。 实用新型内容
本实用新型所要解决的技术问题在于克服上述现有技术之不足， 提供一种强度高、 流动能量损失小， 风扇效率高、 且成本低的高效节 能降本风扇。
按照本实用新型提供的一种高效节能降本风扇，包括托板、与所 述托板连接在一起的轮毂和多个从所述轮毂沿径向向外延伸的曲面 形叶片， 相邻所述叶片的根部通过一曲面形连接部连接在一起， 所述 连接部由前一叶片的后缘向后一叶片的前缘方向延伸形成，每个所述 叶片的迎风面上从后缘转角处至所述轮毂成形有第一加强筋，每个所 述叶片的背风面上从前缘转角处至所述轮毂成形有第二加强筋，每个 所述叶片的背风面上从所述轮毂向后缘方向成形有第三加强筋。
按照本实用新型提供的一种高效节能降本风扇还具有如下附属 技术特征：
所述第一加强筋沿着所述叶片的后缘在转角处之前的走势连接 至所述轮毂上。
所述第二加强筋沿着所述叶片的前缘在转角处之前的走势连接 至所述轮毂上。
所述第三加强筋与所述轮毂的连接点靠近所述叶片的前缘，并沿 着进风风向延伸。
所述第三加强筋与所述轮毂的连接点位于所述叶片投影宽度的 3/5至 4/5处。
所述轮毂沿厚度方向设置有多个圆孔，所述圆孔内适于安放平衡 调节钢珠。
所述托板为一次成型拉伸结构， 其边缘与所述轮毂注塑在一起。 所述托板为平板结构， 其边缘与所述轮毂注塑在一起。
每个所述叶片包括本体、根部和端部，将所述本体等距分成五段 共形成六个截面， 从靠近所述根部的截面至靠近端部的截面， 每个截 面的弦线与水平线的夹角分别为： 40. 5度 -42. 5度、 39. 5度 -41. 5度、 37. 9度 -39. 9度、 36. 3度 -38. 3度、 34. 9度 -36. 9度、 33. 8度 -36度。
所述第一加强筋、 第二加强筋和第三加强筋的高度为 1. 5mm_5. 0mm。
按照本实用新型提供的一种高效节能降本风扇与现有技术相比 具有如下优点： 首先， 本实用新型在叶片的迎风面和背风面的根部分 别设置有加强筋， 从而提高了叶片根部的强度， 使得叶片的根部不容 易折断， 提高了叶片的使用寿命； 其次， 本实用新型的相邻叶片之间 通过弯曲状的连接部连接在一起， 然后一起与轮毂连接， 使得叶片与 轮毂的连接强度增加， 且该连接部为曲面形， 从而降低了对进风的影 响； 再次， 本实用新型在轮毂上设置了多个圆孔， 根据调节叶片平衡 的需要， 在不同位置的圆孔中安放钢珠， 从而使得达到平衡调节的目 的， 由于可以采用标准件的钢珠成本最低来调节平衡， 因为钢珠属标 准件， 成本最低， 可以一次性根据平衡量放置几个钢珠， 进行一次性 压装， 由于硬挤又不会使钢珠跳出， 比其他传统的调节平衡采用平衡 块、 插片、 铆钉、 镙丝、 钻孔等方法操作效率低， 有的是非标准件， 有的是采购批量小成本高， 并且不能一次性压装。 附图说明
图 1是本实用新型的主视图。
图 2是本实用新型的俯视图。
图 3是本实用新型的后视图。
图 4是本实用新型的右视图。
图 5是本实用新型的正面立体图。
图 6是本实用新型的反面立体图。
图 7是图 3中 A-A剖视图。
图 8是图 3中 B-B剖视图。
图 9是图 3中 C-C剖视图。
图 10是图 3中 D-D剖视图。
图 11是图 3中 E-E剖视图。
图 12是图 3中 F-F剖视图。
图 13是图 1中 G-G剖视图。
图 14是本实用新型的另一种实施例的主视图。 图 15是图 14中 H-H剖视图。
具体实施方式
参见图 1至图 6，在本实用新型给出的一种高效节能降本风扇的实 施例中， 包括托板 1、 与所述托板 1连接在一起的轮毂 2和多个从所述 轮毂 2沿径向向外延伸的曲面形叶片 3， 相邻所述叶片 3的根部 31通过 一曲面形连接部 32连接在一起， 所述连接部 32由前一叶片的后缘 33 向后一叶片的前缘 34方向延伸形成， 每个所述叶片 3的迎风面（凹面） 35上从后缘 33转角处 331至所述轮毂 2成形有第一加强筋 41，每个所述 叶片 3的背风面 （凸面） 36上从前缘 34转角处 341至所述轮毂 2成形有 第二加强筋 42， 每个所述叶片 3的背风面 （凸面） 36上从所述轮毂 2 向后缘 33方向成形有第三加强筋 43。 所述迎风面 35为叶片 3的凹面， 所述背风面 36为叶片 3的凸面。
本实用新型中的托板 1一般由金属材料制成， 用于与驱动机构进 行连接， 因此托板 1上面还设置有多个用于安装的固定孔。所述轮毂 2 和所述叶片 3是一体成形的， 在制造时， 一般将托板 1与轮毂 2注塑在 一起。本实用新型中的轮毂 2的厚度小于叶片的宽度， 从而利于托板 1 与驱动机构进行连接。 由于轮毂 2的厚度小于叶片的宽度， 当叶片 3 的根部 31与轮毂连接时， 根部 31需要改变形状， 以适用轮毂 2的厚度。 但该形状改变后， 使得叶片 3与轮毂 2的连接强度降低了。本实用新型 为了提高叶片 3的根部 31的连接强度，将相邻的叶片 3的根部 31通过一 个曲面形连接部进行连接， 从而使各个叶片 3之间形成一个整体， 也 增大了根部 31与轮毂 2的连接面积， 提高了连接强度。
本实用新型的叶片 3包括本体 38、 根部 31和端部 39， 本体 38与根 部 31在交界处形成转角， 从而使叶片 3的后缘 33通过连接部 32的外缘 321与相邻叶片 3的前缘 34连接在一起。该三部分连接在一起的正投影 近似为 U型或近似 V型结构。 本实用新型通过在每个叶片 3的根部 31上设置加强筋， 从而提高 了每个叶片 3的根部 31的强度， 使得叶片 3不易折断， 提高了叶片的使 用寿命。
参见图 1和图 5，在本实用新型给出的上述实施例中，所述第一加 强筋 41沿着所述叶片 3的后缘 33在转角处 331之前的走势连接至所述 轮毂 2上。该处所指的是第一加强筋 41是与所述叶片 3的本体 38的后缘 33相连接， 从而使第一加强筋 41与后缘 33形成一个整体结构， 该第一 加强筋 41不仅提高了叶片 3的强度， 也使叶片 3的迎风面（凹面）性能 更好。
参见图 3和图 6，在本实用新型给出的上述实施例中，所述第二加 强筋 42沿着所述叶片 3的前缘 34在转角处 341之前的走势连接至所述 轮毂 2上。该处所指的是第二加强筋 42是与所述叶片 3的本体 38的前缘 34相连接， 从而使第二加强筋 42与前缘 34形成一个整体结构， 该第二 加强筋 41不仅提高了叶片 3的强度， 也使叶片 3的背风面（凸面）性能 更好。
参见图 3和图 6，在本实用新型给出的上述实施例中，所述第三加 强筋 43与所述轮毂 2的连接点 21靠近所述叶片 3的前缘 34，并沿着进风 风向延伸。 所述第三加强筋 43与所述轮毂 2的连接点 21位于所述叶片 投影宽度的 3/5至 4/5处。 本实施例为 2/3处。 第三加强筋 43成形在背 风面（凸面）上， 且其走向实质上是顺着气流方向设置， 不会对气流 造成影响。
参见图 1和图 13，在本实用新型给出的上述实施例中，所述轮毂 2 沿厚度方向设置有多个圆孔 22，所述圆孔 22内适于安放平衡调节钢珠 23。 所述圆孔 22沿着轮毂 2设置一圈， 根据平衡的需要， 在不同位置 的圆孔 22中安放钢珠 23， 解决生产中对风扇的平衡的问题， 可以采用 标准件的钢珠成本最低来调节平衡， 因为钢珠属标准件， 成本最低， 可以一次性根据平衡量放置几个钢珠， 进行一次性压装， 由于硬挤又 不会使钢珠跳出， 比其他传统的调节平衡采用平衡块、 插片、 铆钉、 镙丝、 钻孔等方法操作效率低， 有的是非标准件， 有的是采购批量小 成本高， 并且不能一次性压装。
参见图 6和图 13，在本实用新型给出的上述实施例中，所述托板 1 为一次成型拉伸结构， 拉伸深度可随安装要求任意调节， 其边缘与所 述轮毂注塑在一起。 通过设置不同的拉伸结构， 可以调节安装位置， 无需对扇叶进行重新设计， 方便扇叶的加工。
参见图 3，在本实用新型给出的上述实施例中，所述叶片 3的本体 38等距分成五段共形成六个截面，从靠近所述根部的截面至靠近端部 的截面， 每个截面的弦线与水平线的夹角分别为： 40. 5度 -42. 5度、 39. 5度 -41. 5度、 37. 9度 -39. 9度、 36. 3度 -38. 3度、 34. 9度 -36. 9度、 33. 8度 -36度。该处的六个截面位置如图 3中的剖面线所示， 在本实施 例中， 即从 A-A剖面线开始， 到 F-F剖面线。 参见图 7至图 12， 各位置 的弦线与水平线的夹角分别为 a为 41. 5度， b为 40. 5度， c为 38. 5度， d 为 37度， e为 35. 5度， f为 34. 5度。 该种形状的叶片具有更好的性能， 使得流量、 耗功和效率达到最好。
参见图 5和图 6，在本实用新型给出的上述实施例中，所述第一加 强筋 41、 第二加强筋 42和第三加强筋 43的高度为 1. 5匪 -5. 0匪。 本实 施例为 3. 5mm。 该高度的加强筋能够更好的满足叶片强度的需要， 能 够提高叶片 3的强度， 使得叶片 3不易折断。
参见图 14和图 15，在本实用新型给出的另一种实施例中，所述托 板 1为平板结构， 其边缘与所述轮毂 2注塑在一起。
本实用新型的风扇可以为吸风扇， 也可以为排风扇。

Claims

权 利 要 求 书
1、 一种高效节能降本风扇， 包括托板、 与所述托板连接在一起 的轮毂和多个从所述轮毂沿径向向外延伸的曲面形叶片， 其特征在 于： 相邻所述叶片的根部通过一曲面形连接部连接在一起， 所述连接 部由前一叶片的后缘向后一叶片的前缘方向延伸形成，每个所述叶片 的迎风面上从后缘转角处至所述轮毂成形有第一加强筋，每个所述叶 片的背风面上从前缘转角处至所述轮毂成形有第二加强筋，每个所述 叶片的背风面上从所述轮毂向后缘方向成形有第三加强筋。
2、如权利要求 1所述的一种高效节能降本风扇， 其特征在于： 所 述第一加强筋沿着所述叶片的后缘在转角处之前的走势连接至所述 轮毂上。
3、如权利要求 1所述的一种高效节能降本风扇， 其特征在于： 所 述第二加强筋沿着所述叶片的前缘在转角处之前的走势连接至所述 轮毂上。
4、如权利要求 1所述的一种高效节能降本风扇， 其特征在于： 所 述第三加强筋与所述轮毂的连接点靠近所述叶片的前缘，并沿着进风 风向延伸。
5、如权利要求 4所述的一种高效节能降本风扇， 其特征在于： 所 述第三加强筋与所述轮毂的连接点位于所述叶片投影宽度的 3/5至 4/5处。
6、 如权利要求 1或 2或 3或 4所述的一种高效节能降本风扇， 其特 征在于： 所述轮毂沿厚度方向设置有多个圆孔， 所述圆孔内适于安放 平衡调节钢珠。
7、 如权利要求 1或 2或 3或 4所述的一种高效节能降本风扇， 其特 征在于： 所述托板为拉伸结构， 其边缘与所述轮毂注塑在一起。
8、 如权利要求 1或 2或 3或 4所述的一种高效节能降本风扇， 其特 征在于： 所述托板为平板结构， 其边缘与所述轮毂注塑在一起。
9、 如权利要求 1或 2或 3或 4所述的一种高效节能降本风扇， 其特 征在于： 每个所述叶片包括本体、 根部和端部， 将所述本体等距分成 五段共形成六个截面， 从靠近所述根部的截面至靠近端部的截面， 每 个截面的弦线与水平线的夹角分别为： 40. 5度 -42. 5度、 39. 5度 -41. 5 度、 37. 9度 -39. 9度、 36. 3度 -38. 3度、 34. 9度 -36. 9度、 33. 8度 -36 度。
10、如权利要求 1或 2或 3或 4所述的一种高效节能降本风扇，其特 征在于： 所述第一加强筋、 第二加强筋和第三加强筋的高度为 1. 5mm_5. 0mm。
PCT/CN2010/000433 2010-01-12 2010-04-02 节能风扇 WO2011085524A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10842808A EP2525061A1 (en) 2010-01-12 2010-04-02 Energy saving fan
US13/521,925 US9217443B2 (en) 2010-01-12 2010-04-02 Energy saving fan
JP2012547420A JP5597261B2 (ja) 2010-01-12 2010-04-02 省エネルギーファン
KR1020127021012A KR101339590B1 (ko) 2010-01-12 2010-04-02 에너지 절약형 선풍기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010200021344U CN201636038U (zh) 2010-01-12 2010-01-12 一种高效节能降本风扇
CN201020002134.4 2010-01-12

Publications (1)

Publication Number Publication Date
WO2011085524A1 true WO2011085524A1 (zh) 2011-07-21

Family

ID=43080529

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/000433 WO2011085524A1 (zh) 2010-01-12 2010-04-02 节能风扇

Country Status (6)

Country Link
US (1) US9217443B2 (zh)
EP (1) EP2525061A1 (zh)
JP (1) JP5597261B2 (zh)
KR (1) KR101339590B1 (zh)
CN (1) CN201636038U (zh)
WO (1) WO2011085524A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010042325A1 (de) * 2010-10-12 2012-04-12 Behr Gmbh & Co. Kg Lüfter mit Lüfterschaufeln
JP6645986B2 (ja) * 2014-05-05 2020-02-14 ホートン， インコーポレイテッド 複合ファン
WO2016021555A1 (ja) 2014-08-07 2016-02-11 三菱電機株式会社 軸流ファン、及び、その軸流ファンを有する空気調和機
CN104329291A (zh) * 2014-09-02 2015-02-04 安徽江淮汽车股份有限公司 一种发动机机械冷却风扇
USD740998S1 (en) * 2014-09-11 2015-10-13 Michael Olen NEVINS Reflector
CN104832442B (zh) * 2015-02-01 2018-04-10 昆明奥图环保设备股份有限公司 一种带有增压功能的超远程射雾降尘空气净化设备
GB2551719A (en) * 2016-06-27 2018-01-03 Truflo Air Movement Ltd Improvements in and relating to a fan assembly
CN107269584A (zh) * 2017-07-26 2017-10-20 奥克斯空调股份有限公司 结构增强型轴流风叶
EP3667098B1 (en) * 2017-08-09 2022-08-03 Mitsubishi Electric Corporation Propeller fan, blower, and refrigeration cycle apparatus
USD860427S1 (en) * 2017-09-18 2019-09-17 Horton, Inc. Ring fan
US11767761B2 (en) 2018-08-02 2023-09-26 Horton, Inc. Low solidity vehicle cooling fan
CN108854404B (zh) * 2018-08-02 2020-11-27 安徽鑫昆净化设备有限公司 一种工业灰尘除尘器
TWI707088B (zh) * 2019-08-13 2020-10-11 大陸商昆山廣興電子有限公司 扇輪
CN111608954B (zh) * 2020-06-22 2021-10-01 叶剑明 风机扇叶

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2391990Y (zh) * 1999-07-23 2000-08-16 广西玉柴机器股份有限公司 柴油机薄型风扇
US20040013526A1 (en) * 2002-07-17 2004-01-22 Hayes Cooling Technologies, Llc Ring cooling fan including stiffening ribs fully connected on at most two sides
US20050260077A1 (en) * 2004-05-19 2005-11-24 Aisin Kako Kabushiki Kaisha Cooling fan
CN2751167Y (zh) * 2004-12-29 2006-01-11 宁波雪龙汽车风扇制造有限公司 一种用于动力冷却系统的冷却风扇
JP2007063989A (ja) * 2005-08-29 2007-03-15 Aisin Chem Co Ltd 冷却ファン
CN201116539Y (zh) * 2007-09-30 2008-09-17 陈学森 一种轴流风机
WO2008141253A1 (en) 2007-05-10 2008-11-20 Borgwarner Inc. Synergistic blade and hub structure for cooling fans

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54164109U (zh) * 1978-05-10 1979-11-17
JPS55165996U (zh) * 1979-05-17 1980-11-28
JPS61101698A (ja) * 1984-10-23 1986-05-20 Mitsubishi Electric Corp プロペラフアン
JPH0717838Y2 (ja) * 1985-10-17 1995-04-26 臼井国際産業株式会社 合成樹脂製エンジン冷却用ファン
JPH0667893U (ja) * 1993-02-25 1994-09-22 カルソニック株式会社 モータファン
US6005749A (en) * 1997-03-07 1999-12-21 Sony Corporation Rotation drive apparatus
JP3803184B2 (ja) * 1997-10-24 2006-08-02 東芝キヤリア株式会社 軸流ファン
US6375427B1 (en) * 2000-04-14 2002-04-23 Borgwarner Inc. Engine cooling fan having supporting vanes
KR100382914B1 (ko) * 2000-07-27 2003-05-09 엘지전자 주식회사 축류팬
JP4483148B2 (ja) * 2001-08-29 2010-06-16 ダイキン工業株式会社 軸流ファン用羽根車
DE10153412A1 (de) * 2001-10-30 2003-05-15 Bosch Gmbh Robert Lüfterbefestigung mit dynamischem Unwuchtausgleich
US7063507B2 (en) * 2004-05-05 2006-06-20 Hsieh Hsin-Mao Balance adjusted fan
ITBO20040468A1 (it) * 2004-07-23 2004-10-23 Spal Srl Ventola assiale a flusso aumentato
JP4753619B2 (ja) * 2005-05-17 2011-08-24 日本電産サーボ株式会社 モータファンとそのバランス修正方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2391990Y (zh) * 1999-07-23 2000-08-16 广西玉柴机器股份有限公司 柴油机薄型风扇
US20040013526A1 (en) * 2002-07-17 2004-01-22 Hayes Cooling Technologies, Llc Ring cooling fan including stiffening ribs fully connected on at most two sides
US20050260077A1 (en) * 2004-05-19 2005-11-24 Aisin Kako Kabushiki Kaisha Cooling fan
CN2751167Y (zh) * 2004-12-29 2006-01-11 宁波雪龙汽车风扇制造有限公司 一种用于动力冷却系统的冷却风扇
JP2007063989A (ja) * 2005-08-29 2007-03-15 Aisin Chem Co Ltd 冷却ファン
WO2008141253A1 (en) 2007-05-10 2008-11-20 Borgwarner Inc. Synergistic blade and hub structure for cooling fans
CN201116539Y (zh) * 2007-09-30 2008-09-17 陈学森 一种轴流风机

Also Published As

Publication number Publication date
KR101339590B1 (ko) 2013-12-10
CN201636038U (zh) 2010-11-17
EP2525061A1 (en) 2012-11-21
JP2013517406A (ja) 2013-05-16
US9217443B2 (en) 2015-12-22
KR20120116972A (ko) 2012-10-23
JP5597261B2 (ja) 2014-10-01
US20120321467A1 (en) 2012-12-20

Similar Documents

Publication Publication Date Title
WO2011085524A1 (zh) 节能风扇
AU2008330649B2 (en) Centrifugal fan
JP4388992B1 (ja) プロペラファン、流体送り装置および成型金型
EP2383473B1 (en) Propeller fan
JP4798640B2 (ja) プロペラファン、成型用金型および流体送り装置
CN203627302U (zh) 一种离心风机叶轮
WO2009111956A1 (zh) 一种降低能耗和噪音的轴流风扇
CN105275877A (zh) 一种轴流风机叶轮结构
CN113738694A (zh) 一种具有圆头形前缘叶型的高性能呼吸机离心叶轮
CN211525182U (zh) 弯掠叶片及轴流风机
JP2008025463A (ja) 送風機羽根車
CN101634312A (zh) 轴流风机中的风叶
CN214837351U (zh) 一种高效贯流风轮
CN214837343U (zh) 离心叶轮
WO2021017153A1 (zh) 轴流风叶、轴流风机和空调器
CN205225852U (zh) 轴流风机叶轮结构
CN108397420A (zh) 鹰齿形轴流风叶
CN219176637U (zh) 一种具有增效结构的轴流风叶叶片
CN220268005U (zh) 一种运行稳定的风机
CN220539943U (zh) 一种轴流风机叶片
CN113090447B (zh) 一种尾缘增厚的叶片增功系统
CN218844671U (zh) 风轮、空调室外机及空调器
CN215860969U (zh) 一种风轮及具有风轮的风扇
CN210265269U (zh) 一种吊扇扇叶
CN219012968U (zh) 离心风叶、离心风机及空调装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10842808

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2012547420

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 13521925

Country of ref document: US

Ref document number: 2010842808

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20127021012

Country of ref document: KR

Kind code of ref document: A