WO2014106393A1 - 无叶风扇 - Google Patents

无叶风扇 Download PDF

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Publication number
WO2014106393A1
WO2014106393A1 PCT/CN2013/083268 CN2013083268W WO2014106393A1 WO 2014106393 A1 WO2014106393 A1 WO 2014106393A1 CN 2013083268 W CN2013083268 W CN 2013083268W WO 2014106393 A1 WO2014106393 A1 WO 2014106393A1
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WO
WIPO (PCT)
Prior art keywords
fan
casing
air outlet
housing
air inlet
Prior art date
Application number
PCT/CN2013/083268
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English (en)
French (fr)
Inventor
胡晓存
徐宝宝
Original Assignee
Hu Xiaocun
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Filing date
Publication date
Application filed by Hu Xiaocun filed Critical Hu Xiaocun
Publication of WO2014106393A1 publication Critical patent/WO2014106393A1/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
    • 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
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids

Definitions

  • the present invention relates to a fan member, and more particularly to a bladeless fan.
  • the nozzle includes an internal passageway and a mouth for receiving airflow from the base, wherein the airflow is emitted through the mouthpiece, the mouth being defined by opposing surfaces of the nozzle, and spacing means for spacing opposing surfaces of the nozzle.
  • the nozzle extends generally perpendicularly about an axis to define an opening through which air from the exterior of the fan assembly is sucked by the airflow emitted from the nozzle.
  • this structure is relatively complicated, and the nozzle is required to be high, and the spacer device must be designed to prevent the nozzle from being deformed.
  • the invention provides a leafless fan with simple structure, good air blowing effect and low running noise; and solves the technical problem that the bladeless fan existing in the prior art has high processing requirements, many components, easy resonance and large noise.
  • a bladeless fan comprising a base and a fan body on the base, wherein the fan body comprises a casing, and the casing is provided There are at least two sets of fan assemblies, the fan assembly includes a motor and a wind impeller located outside the motor, and at both ends of the fan assembly are an air inlet passage and an air outlet passage, respectively, the outlet passage and the housing The tuyere is connected. Air is taken in from the air inlet passage by a plurality of sets of fan assemblies located in the casing, and air is discharged from the air outlet connected to the air outlet passage.
  • the wind power generating fan assembly is placed in the casing, which saves the length of the air inlet passage and the air outlet passage, thereby reducing the wind loss and improving the air blowing efficiency, and no noise is generated due to the obstruction of excessive components or Turbulence is formed.
  • a bracket is disposed in the housing, and a fan assembly is mounted on the bracket, and the fan assembly is evenly distributed on the bracket.
  • the support of the bracket improves the fixing degree of the fan assembly, and the arrangement and installation of the fan assembly can be facilitated, and the fan assembly is evenly distributed, thereby improving the uniformity and stability of the air outlet, and the wind of the air outlet is strong and uniform.
  • the casing is composed of a front casing and a rear casing, and an air outlet is opened on the front casing, and an air inlet is opened on the rear casing, and the air inlet is connected to the air inlet passage.
  • the area of the air inlet is larger than the area of the air outlet.
  • the front and rear housings are spliced to form a housing, which is convenient for assembly and disassembly, and is convenient for installing a fan assembly therein.
  • the housing is divided into two front and rear sections, which are convenient for opening the air inlet and the air outlet at the front and rear, and does not affect the air outlet effect.
  • the width of the inner cavity of the housing forming the fan is reduced from the rear end to the front end, allowing an air to flow better through an arcuate transition.
  • the casing is annular, and two or more fan assemblies are installed in the annular cavity in the casing, and each fan assembly is disposed in the casing.
  • the casing has a fan-shaped cross section, and a cavity is formed in the casing, and two or more fan assemblies are evenly distributed from top to bottom in the cavity.
  • the three-dimensional shape of the casing is similar to a teardrop shape, and one end of the rear casing is thicker and thicker, and one end of the front casing is reduced in width to form a narrow air outlet.
  • the corresponding air outlet passages of the fan assemblies are separated by brackets located in the housing, and the air outlet passages are respectively connected to the air outlets.
  • each of the fan assemblies is evenly distributed in a circular path, and a center of each fan assembly forms a hollow circle, and a hollow circle is located at the center of the housing.
  • the bladeless fan of the present invention has the advantages of simple structure, convenient installation, and short passage of air and air, which can minimize wind loss and prevent turbulence and noise generated by an excessively complicated structure.
  • the wind is evenly strong and the noise is low.
  • Figure 1 is a front perspective view of a bladeless fan of the present invention.
  • Figure 2 is a rear perspective view of Figure 1.
  • Figure 3 is a perspective view of the removed rear case.
  • FIG. 4 is a perspective view of another bladeless fan of the present invention.
  • Fig. 5 is a schematic axial sectional view.
  • a bladeless fan includes a circular arc-shaped front casing 1 and a rear casing 7, and the front and rear casings are spliced into a casing having an arcuate inner cavity, in the casing.
  • the center is a hollow circle 3.
  • a bracket 9 is mounted in the housing, and six sets of fan assemblies 8 are evenly distributed on the bracket 9, and the fan assembly 8 is composed of a motor and a wind impeller located outside the motor.
  • the inlet passages 10 of the six sets of fan assemblies 8 are in communication, and the outlet passages 11 are separated from each other by brackets 9 in the housing.
  • the air inlet passage 10 is connected to the air inlet 2 on the rear housing 7, and the air outlet passage 11 is connected to the air outlet 6 on the front housing 1.
  • Air enters the fan assembly 8 via the air inlet 2 and is then blown out by the air outlet 6.
  • the housings of the front and rear housings are uniformly mounted on the base 5, and the base 5 is circular.
  • a switch 4 and a power socket are mounted on the base 5.
  • the air outlet 6 is formed by arc-shaped slits which are parallel to each other, and the air inlet 2 is formed by circular holes uniformly distributed on the rear casing.
  • the width of the rear end of the casing is larger than that of the front section, and the cut surface seen by the arcuate casing is formed into a water droplet shape.
  • the housing is fan-shaped in cross section, and the fan assembly 8 is evenly distributed from top to bottom, and the wide band of the housing is decreased from the rear end toward the front end.
  • the air inlets on the rear casing 7 are uniformly round holes, and the air outlets on the front casing 1 are rectangular slits which are parallel to each other.

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

Abstract

一种无叶风扇，包括基座和位于基座上的风扇本体，风扇本体包括壳体（1，7），在壳体（1，7）内设有至少两组风扇组件（8），风扇组件（8）包括电机和位于电机外的风叶轮，在风扇组件（8）的两端分别为进风通道（10）和出风通道（11），出风通道（11）与壳体（1，7）上的出风口（6）连通。本发明提供了一种结构简单，出风效果好，运转噪音低的无叶风扇；解决了现有技术中存在的无叶风扇的加工要求高，构件多，容易产生共振，噪音大的技术问题。

Description

无叶风扇 技术领域
本发明涉及一种风扇构件，尤其涉及一种无叶风扇。
背景技术
传统的风扇通常包括电机、风叶、基座或固定架、电源等。接通电源，电机旋转，带动电机轴上的风叶旋转，旋转的风叶产生气流，因此，随着热量通过对流和蒸发带走，在气流吹到的范围内，使用者感受到冷却效果。现在对传统的风扇做过一定的改进，就是由有叶的风扇改进为无叶的风扇，现在关于无叶风扇也有很多的介绍。如中国专利： ' 风扇（CN101749289A）'，描述了一种用于形成气流的风扇组件，该风扇组件包括安装在基部承装装置上的喷嘴，该基部承装装置用于形成经过该喷嘴的气流。该喷嘴包括用于接收来自基部的气流的内部通道和嘴部，其中气流通过嘴装部被发射，该嘴部由喷嘴的相对表面限定，和用于隔开喷嘴的相对表面的间隔装置。喷嘴大致垂直地绕一轴线延伸以限定一开口，来自风扇组件外部的空气被从所述嘴部发射的气流拽吸通过所述开口。但这种结构相对复杂，对于喷嘴要求高，必须设计间隔装置防止喷嘴变形。
技术解决方案
本发明提供了一种结构简单，出风效果好，运转噪音低的无叶风扇；解决了现有技术中存在的无叶风扇的加工要求高，构件多，容易产生共振，噪音大技术问题。
本发明的上述技术问题是通过下述技术方案解决的：一种无叶风扇，包括基座和位于基座上的风扇本体，其特征在于：所述的风扇本体包括壳体，在壳体内设有至少两组风扇组件，所述的风扇组件包括电机和位于电机外的风叶轮，在风扇组件的两端分别为进风通道和出风通道，所述的出风通道与壳体上的出风口连通。利用位于壳体内的多组风扇组件将空气由进风通道吸入，从出风通道连接的出风口出风。将产生风力的风扇组件放置在壳体内，节省了进风通道和出风通道的长度，从而减小风力的损失，提高出风效率，而已也不会因为过多的部件的阻隔而产生噪音或者形成紊流。
作为优选，在壳体内设有支架，在支架上安装有风扇组件，风扇组件均布在支架上。利用支架的支撑提高风扇组件固定的牢固度，而且还可以方便风扇组件的布置和安装，风扇组件均布，提高了出风的均匀度和稳定性，让出风口的出风风力强劲均匀。
作为优选，所述的壳体是由前壳体和后壳体构成，在前壳体上开设有出风口，在后壳体上开设有进风口，所述的进风口与进风通道连通，进风口的面积大于出风口的面积。前后壳体拼接形成壳体，方便装拆，同时方便在其内安装风扇组件，壳体分为前后两块，便于在前后开设进风口和出风口，而且不会影响出风效果。形成风扇的壳体内腔的宽度由后端向前端递减，通过一个弧形过渡，让空气能更好流通。
作为优选，所述的壳体成圆环状，在壳体内的圆环形空腔内安装有两组以上的风扇组件，各风扇组件均布在壳体内。
作为优选，所述的壳体的横截面呈扇形，在壳体内形成空腔，在空腔内由上至下均布又两组以上的风扇组件。壳体的立体形状类似水滴形，后壳体一端较大较厚，而前壳体一端则宽度递减，形成狭长的出风口。
作为优选，所述的各风扇组件对应的出风通道通过位于壳体内的支架分隔开，各出风通道分别与出风口相连。
作为优选，所述的各个风扇组件以圆形轨迹均布在壳体内，各个风扇组件的中心形成一个空心圆，空心圆位于壳体的中心。
因此，本发明的无叶风扇具备下述优点：结构简单，安装方便，而且进风和出风的通道短，能让风力损失降到最低，同时防止了结构过于复杂产生的紊流和噪音，风力均匀强劲，噪音低。
 附图说明
图1是本发明的一种无叶风扇的主视立体示意图。
图2是图1的后视立体示意图。
图3是拆除后壳立体示意图。
图4是本发明的另一种无叶风扇的立体示意图。
图5是轴向剖切立体示意图。
 本发明的实施方式
下面通过实施例，并结合附图，对发明的技术方案作进一步具体的说明。
实施例1：
如图1和2和3所示，一种无叶风扇，包括圆弧形的前壳体1和后壳体7，前后壳体拼接为一个带有弧形内腔的壳体，在壳体中心为一空心圆3。在壳体内安装有支架9，在支架9上均布有6组风扇组件8，风扇组件8是有电机和位于电机外的风叶轮构成。6组风扇组件8的进风通道10是连通的，而出风通道11通过壳体内的支架9相互隔开。进风通道10与位于后壳体7上的进风口2连接，出风通道11与位于前壳体1上的出风口6连接。空气经由进风口2进入风扇组件8然后由出风口6吹出。前后壳体拼接的壳体统一安装在基座5上，基座5为圆形，在基座5上安装有开关4和电源插口。出风口6是有相互平行的弧形缝隙构成，进风口2是有均布在后壳体上的圆形小孔构成。壳体的后端的宽带大于前段，剖开弧形壳体所看到的剖切面成水滴形状。
实施例2：
如图4和5所示，与实施例1不同的是，壳体是横截面呈扇形，风扇组件8由上至下均布，壳体的宽带由后端向前端递减。后壳体7上的进风口为均布的圆孔，而前壳体1上的出风口为相互平行的长方形细缝。

Claims (7)

1.一种无叶风扇，包括基座和位于基座上的风扇本体，其特征在于：所述的风扇本体包括壳体，在壳体内设有至少两组风扇组件，所述的风扇组件包括电机和位于电机外的风叶轮，在风扇组件的两端分别为进风通道和出风通道，所述的出风通道与壳体上的出风口连通。
2.根据权利要求1所述的无叶风扇，其特征在于：在壳体内设有支架，在支架上安装有风扇组件，风扇组件均布在支架上。
3.根据权利要求1或2所述的无叶风扇，其特征在于：所述的壳体是由前壳体和后壳体构成，在前壳体上开设有出风口，在后壳体上开设有进风口，所述的进风口与进风通道连通，进风口的面积大于出风口的面积。
4.根据权利要求1或2所述的无叶风扇，其特征在于：所述的壳体成圆环状，在壳体内的圆环形空腔内安装有两组以上的风扇组件，各风扇组件均布在壳体内。
5.根据权利要求1或2所述的无叶风扇，其特征在于：所述的壳体的横截面呈扇形，在壳体内形成空腔，在空腔内由上至下均布又两组以上的风扇组件。
6.根据权利要求1或2所述的无叶风扇，其特征在于：所述的各风扇组件对应的出风通道通过位于壳体内的支架分隔开，各出风通道分别与出风口相连。
7.根据权利要求1或2所述的无叶风扇，其特征在于：所述的各个风扇组件以圆形轨迹均布在壳体内，各个风扇组件的中心形成一个空心圆，空心圆位于壳体的中心。
PCT/CN2013/083268 2013-01-07 2013-09-11 无叶风扇 WO2014106393A1 (zh)

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CN201310019732 2013-01-07

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CN103452876B (zh) 2015-12-02
CN203257766U (zh) 2013-10-30
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CN103452816B (zh) 2016-02-24

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