CN101936310A - Fan without fan blades - Google Patents

Fan without fan blades Download PDF

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Publication number
CN101936310A
CN101936310A CN2010102995800A CN201010299580A CN101936310A CN 101936310 A CN101936310 A CN 101936310A CN 2010102995800 A CN2010102995800 A CN 2010102995800A CN 201010299580 A CN201010299580 A CN 201010299580A CN 101936310 A CN101936310 A CN 101936310A
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CN
China
Prior art keywords
nozzle
exhaust port
fan
bladeless fan
closed loop
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CN2010102995800A
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Chinese (zh)
Inventor
任文华
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任文华
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Priority to CN2010102995800A priority Critical patent/CN101936310A/en
Publication of CN101936310A publication Critical patent/CN101936310A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet 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
    • F04F5/16Jet 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Abstract

The invention discloses a fan without fan blades and relates to a fan device, which is characterized by comprising an airflow generating device (1), a nozzle (2) and a connecting pipe (3), wherein the nozzle comprises an internal channel (6), an exhaust port (4) and a closed loop, the airflow generating device is used for producing high-pressure airflow, at least part of the airflow generating device is positioned in the closed loop of the nozzle, and the connecting pipe is connected between the airflow generating device and the nozzle, thereby being a channel for circulation of the high-pressure airflow from the airflow generating device to the nozzle. The device has compact structure and low noise and can provide the airflow with uniform flow rate.

Description

无扇叶风扇 Bladeless fan

技术领域 FIELD

[0001] 本发明涉及一种产生空气流的风扇装置。 [0001] The present invention relates to a fan generating an air flow. 背景技术 Background technique

[0002] 2009年5月6日公开号为CN 101424279A的中国专利申请(申请号: 200810177844. 8)公开了一种用于产生空气流的风扇,该种风扇包括喷嘴和用于产生通过喷嘴的高压气流的构件,所述构件位于所述喷嘴所构成的闭合环路外,该喷嘴包括内部通道、用于接收来自内部通道的气流的排气口和紧邻近排气口定位的柯恩达表面,排气口设置成引导气流流过该柯恩达表面。 [0002] May 6, 2009 Publication No. CN 101424279A Chinese patent application (Application No: 200810177844.8) discloses a fan for generating the air flow, the fan includes a nozzle and a seed produced by a nozzle a high pressure gas flow member, the outer member is a closed loop constituted of the nozzle, the nozzle includes an internal passage, an exhaust port for receiving a gas flow from the interior passage and proximate the Coanda surface positioned near the exhaust port the exhaust port is provided to direct airflow through the Coanda surface. 该种风扇不需要带有扇叶就能产生比较均勻的气流而带来凉爽的效果。 Does not require this type of fan blades can be produced with a more uniform gas flow brought cool effect.

[0003] 由于该种风扇用于产生通过喷嘴的高压气流的构件位于所述喷嘴所构成的闭合环路外,使其体积及所占用的空间位置较大,影响其使用。 [0003] As the kind of fan is located for generating a closed loop configuration of the nozzle high pressure gas stream through the outer nozzle member, and so that the volume of space occupied position, affecting its use. 因此很有必要进行改进。 Therefore it is necessary to improve it.

发明内容 SUMMARY

[0004] 本发明旨在提供一种改进的风扇装置以克服上述现有技术中的缺陷。 [0004] The present invention aims to provide an improved fan apparatus to overcome the above drawbacks in the prior art. 本发明的目的是要提供一种结构紧凑的无扇叶风扇装置。 Object of the present invention is to provide a compact bladeless fan means.

[0005] 为了达到上述目的,本发明采用如下技术方案:一种用于产生空气流的无扇叶风扇,其特征在于,所述风扇包括:气流产生装置、喷嘴和连接管,所述喷嘴包括内部通道和排气口并具有闭合的环路,所述气流产生装置用于产生高压气流并且至少有部分位于所述喷嘴的闭合环路内,所述连接管连接于所述气流产生装置与所述喷嘴之间,为所述高压气流从所述气流产生装置至所述喷嘴提供流通的通道。 [0005] To achieve the above object, the present invention adopts the following technical solutions: A bladeless fan for generating an air flow, characterized in that, said fan comprising: air flow generating means of the nozzle and the connecting pipe, said nozzle comprising and an exhaust port, and an internal passage having a closed loop, and the means for generating high-pressure air means and at least partially positioned within the nozzle closed loop, the connecting pipe is connected to the flow generator generates said stream between said nozzle, said nozzle generating means to provide a flow path for said gas stream from the high pressure gas stream.

[0006] 所述气流产生装置、所述喷嘴和所述连接管限定至少一个开口,所述风扇外部的空气通过所述开口被从所述排气口喷射的高压气流所抽吸。 The [0006] gas flow generating means connected to the nozzle and the tube defining at least one opening, said fan outside air is sucked through the opening from the exhaust port injection pressure airflow.

[0007] 为了提高所述风扇的出风量,在所述连接管上可以设置排气口,在所述气流产生装置上也可以设置排气口,在所述连接管和所述气流产生装置上还可以同时设置排气口。 [0007] In order to increase the air volume of the fan, the connecting pipe on the exhaust port may be provided in the airflow generating device may be provided with an exhaust port, is generated in the connecting tube and the gas flow device an exhaust port may be provided at the same time.

[0008] 为了增强所述风扇外部的空气通过所述开口被从所述排气口喷射的高压气流所抽吸的效果,所述喷嘴可以靠近所述排气口设置引导气流流过的柯恩达表面,所述连接管和所述气流产生装置都可以靠近所述排气口设置引导气流流过的柯恩达表面。 [0008] In order to enhance the fan outside air sucked through the opening of the exhaust gas stream from the high pressure port injector effect, the nozzle may be disposed near the exhaust port of the airflow through the guide Cohen surface of the connecting tube and the gas flow generating means may be disposed close to the exhaust port Coanda surface to direct airflow flowing.

[0009] 柯恩达表面是指气流流过该表面能产生柯恩达效应的表面。 [0009] Coanda surface refers to the surface of the airflow through the Coanda effect surfaces to produce. 柯恩达效应是说,流体会紧贴在凸出物体的表面流动。 The Coanda effect is that the fluid can flow against the convex surface of the object.

[0010] 所述喷嘴所具有的闭合的环路,可以是单个环路,也可以是多个环路,例如可以是两个互相连通的同心的圆形环路;所述喷嘴所构成的闭合的环路的形状,可以是圆形,可以是椭圆形,可以是圆角矩形,可以是部分环形,还可以是其它的形状。 [0010] The nozzle has a closed loop, the loop may be single, multiple loops may be, for example, two concentric circular loop communicating with each other; closing the nozzle configuration shaped loop, may be circular and may be oval, rectangle may be rounded, may be part of a ring, it may also be other shapes.

[0011] 所述气流产生装置可以采用多种形状,通常为圆柱型;所述气流产生装置至少有部分位于所述喷嘴构成的闭合的环路内,所述气流产生装置通常全部位于所述喷嘴构成的闭合的环路内;所述气流产生装置通常位于所述喷嘴构成的闭合的环路的对称中心。 [0011] The gas flow generation means may take various shapes, typically cylindrical; said gas flow generating means at least partially positioned within the closed loop of the nozzle configuration, the airflow generating means are all located in the nozzle generally within a closed loop configuration; the air stream generating means of the nozzle is typically located in the center of symmetry of the closed loop configuration. [0012] 所述排气口可以采用多种形状,可以是圆形,可以是椭圆形,可以是部分环形,可以是圆角矩形,还可以是其它的形状;所述排气口的出口通常采用缝隙状出口,所述排气口在其出口处的宽度通常在0. 2毫米至8毫米之间,优选地在0. 5毫米至6毫米之间;所述排气口的出口方向与轴线方向的夹角通常小于25度,优选地小于20度。 [0012] The vent may take various shapes, may be circular and may be oval, may be part of a ring, may be a rounded rectangle, but may be other shapes; outlet of the exhaust port usually using a slit-shaped outlet, the exhaust port width at its outlet is generally between 0.2 to 8 mm, preferably between 0.5 to 6 millimeters; outlet direction of the exhaust port and the angle between the axial direction is typically less than 25 degrees, preferably less than 20 degrees.

[0013] 为了有利于提高所述排气口所喷射气流的速度,所述喷嘴在前部所述排气口处的横截面尺寸通常小于其在后部的横截面尺寸。 [0013] In order to help improve the speed of the jet stream of the exhaust port, the cross-sectional dimension of the nozzle discharge port at the front portion is typically less than the cross-sectional dimension at the rear.

[0014] 关于所述排气口的出口与所述柯恩达表面之间的距离需要根据风扇所要达到的性能来设计,其距离通常在1毫米至30毫米之间。 [0014] with respect to the outlet of the exhaust port and the distance between the surface of the Coanda fan needs to be achieved in accordance with the performance design, which distance is generally between 1 to 30 mm.

[0015] 所述风扇通常可以借助现有风扇的摇头技术或增加一摇头框以增加所述风扇所输出的风的覆盖范围。 The [0015] The fan may generally be prior art by means of moving head increases a fan or shake the wind box to increase the coverage of the fan output.

[0016] 所述风扇还可以是台扇,可以是壁扇,可以是吊扇,可以是落地风扇,还可以是其它类型的风扇。 The [0016] The fan may be a desk fan, wall fans may be, may be a ceiling fan, a fan may be ground, may also be other types of fans.

[0017] 关于术语“高压气流”是指气压高于所述风扇周围大气压的气流。 [0017] With the term "high pressure air flow" refers to a pressure greater than atmospheric pressure around said fan airflow.

[0018] 关于术语“无扇叶”是用来描述气流从风扇组件中向前释放或喷出而不需要使用叶片装置。 [0018] the term 'bladeless' is used to describe a gas stream released or ejected from the fan assembly without the use of forward blade means. 通过该定义,无扇叶的风扇可以被看作是具有没有叶片或翼的输出面或发射区, 气流沿大致朝向使用者的方向从中释放或发射出去。 By this definition, the bladeless fan output can be seen as having a face or emitting region without blades or wings, airflow in a direction generally toward the user emitted or released therefrom.

[0019] 无扇叶风扇可以利用多种气流产生装置提供主要的空气来源来产生高压气流,例如泵、发电机、电机或包含发动机转子和叶轮片等旋转设备的其他流体输送装置。 [0019] bladeless fan may be provided using a variety of primary airflow generating means to generate a high pressure air source of air flow, such as pumps, generators, motors or other fluid engine comprising a rotor and an impeller rotating equipment such as sheet conveying device. 因此,关于术语“无扇叶”的说明的目的不在于延伸至动力源和零部件等风扇次要功能所需部件,比如电机。 Accordingly, an object of note on terminology 'bladeless' is not that extends to the power source and the secondary fan functions other components required components, such as motors. 风扇次要功能的例子包括照明、调节和风扇的摆动。 Examples of secondary fan functions include lighting, adjustment and oscillating fan.

[0020] 本发明具有如下积极效果: [0020] The present invention has the following positive effects:

[0021] 本发明装置的气流产生装置位于喷嘴所构成的闭合环路内,其结构紧凑,占用空间小;另外喷嘴所构成的闭合环路通常较大,可以容纳体积较大的气流产生装置,而体积较大的气流产生装置容易提供噪声小、气流量大的高压气流。 [0021] The apparatus of the present invention the air flow generating means positioned within the closed loop constituted of the nozzle, compact structure and small space; additional nozzles constituting the closed loop is usually large, can accommodate a larger volume of air flow generating means, while the larger volume of the airflow generating device is easy to provide a small noise, a large amount of high-pressure air stream.

附图说明 BRIEF DESCRIPTION

[0022] 图1是本发明的无扇叶风扇的示意图; [0022] FIG. 1 is a schematic diagram of a fan blade according to the present invention;

[0023] 图2是图1所示的无扇叶风扇的喷嘴沿着轴线X的横截面示意图; [0023] FIG. 2 is a bladeless fan nozzle shown in FIG. 1 is a schematic cross-section along the axis X;

[0024] 图3是本发明的无扇叶风扇的第二个实施例; [0024] FIG. 3 is a second embodiment of the present invention without the fan blades;

[0025] 图4是本发明的无扇叶风扇的第三个实施例; [0025] FIG 4 is a third embodiment of a bladeless fan of the present invention;

[0026] 图5是本发明的无扇叶风扇的第四个实施例; [0026] FIG 5 is a fourth embodiment of the present invention without the fan blades;

[0027] 图6展示了本发明的无扇叶风扇的第五个实施例。 [0027] FIG. 6 shows a fifth embodiment of the present invention without the fan blades.

具体实施方式 Detailed ways

[0028] 图1是本发明的无扇叶风扇的示意图。 [0028] FIG. 1 is a schematic diagram of a fan blade according to the present invention. 本发明装置包括:气流产生装置1、喷嘴2 和连接管3,并参考图2,喷嘴2包括内部通道6、排气口4及靠近排气口4设置的柯恩达表面8,喷嘴2构成一个以轴线X为对称轴的圆形的闭合环路,气流产生装置1以轴线X为对称轴并完全位于喷嘴2所构成的圆形闭合环路内,两个连接管3分别连接于气流产生装置1与喷嘴2之间,喷嘴2被固定于支架5上,气流产生装置1、喷嘴2和两个连接管3限定了两个开口7,所述风扇外部的空气通过开口7被从排气口4喷射的高压气流所抽吸。 The present invention apparatus comprising: a gas flow generating device 1, the nozzle 2 and the connection pipe 3, and referring to Figure 2, nozzle 2 comprises an internal passage 6, the exhaust port 4 and an exhaust port 4 is provided close to the Coanda surfaces 8, constituting the nozzle 2 a circular axis X of the axis of symmetry of the closed loop, the airflow generating device 1 as the axis of symmetry axis X and located entirely within the circular closed loop consisting of two nozzles, two connecting pipes 3 are connected to the flow generator 1 between the nozzle apparatus 2, nozzle 2 is fixed to the bracket 5, the airflow generating device 1, the nozzle 2 and the two connection pipe 3 defines two openings 7, the air outside the fan through the opening from the exhaust gas 7 is high-pressure air injection port 4 is sucked.

[0029] 该种风扇使用时,位于喷嘴2所构成的圆形闭合环路内的气流产生装置1运行工作,空气从位于气流产生装置1后端的进口(图中未画出)被抽入,经过气压提升后通过两个连接管3送入喷嘴2的内部通道6中,并被排气口4喷出,来自周围外部环境的空气通过两个开口7被排气口4所喷出的高压气流所卷吸,被喷出的气流和被卷吸的气流结合以产生向前射出的总气流。 [0029] When this type of fan is used, the nozzle gas flow within the circular closed loop operation consisting of generating a working device 2, a rear end of the inlet air generating means (not shown) is drawn into the gas stream is located, after lifting pressure connection pipe 3 is supplied through two nozzles 2 in the internal passage 6, the discharge port 4 and the exhaust air from the outside ambient environment through an exhaust port 7 are two openings 4 of the high-pressure discharge the entrainment gas flow, and the air is discharged is entrained air combined to produce a total air flow emitted forward.

[0030] 图3示出了本发明的无扇叶风扇的第二个实施例。 [0030] FIG. 3 shows a second embodiment of the present invention without the fan blades. 从图中很容易看出,本发明装置包括:气流产生装置1、喷嘴2和4个连接管3,喷嘴2具有以轴线X为对称轴的圆形的闭合环路,气流产生装置1以轴线X为对称轴并完全位于喷嘴2所构成的圆形闭合环路内,气流产生装置1、喷嘴2和4个连接管3限定了4个开口7,在环绕所述的每个开口7的环路壁上都设置有排气口4,即在喷嘴2、连接管3和气流产生装置1上都设置有排气口4,来自周围外部环境的空气通过4个开口7被排气口4所喷出的高压气流所卷吸。 Readily seen from the figure, the present invention apparatus comprising: a gas flow generating means 1, 2 and 4 connected to the nozzle pipe 3, the nozzle 2 having a circular axis X of the axis of symmetry of the closed loop, an airflow generating device axis X is the axis of symmetry and located entirely within the circular closed loop consisting of the nozzle 2, the airflow generating device 1, the nozzle 2 and 4 the connection pipe 3 defines four openings 7, each of the rings surrounding the opening 7 passage wall is provided with an exhaust port 4, i.e. in the nozzle 2, and the connecting pipe 3 is provided with airflow generating an exhaust port 4, air from the surrounding environment through the external device 14 is an exhaust port openings 7 4 the discharge pressure air entrainment.

[0031] 图4示出了本发明的无扇叶风扇的第三个实施例。 [0031] FIG. 4 shows a third embodiment of a bladeless fan according to the present invention. 从图中可以看出,本实施例与图3所示的实施例相似,只是喷嘴2的形状有所不同,本实施例的喷嘴2垂直于轴线X的横截面的形状部分为圆角矩形。 As can be seen from the figure, the embodiment shown in FIG. 3 embodiment of the present embodiment is similar, except that its shape is different nozzle 2, nozzle 2 of the present embodiment in vertical section the shape of a cross section of the axis X is a rounded rectangle.

[0032] 图5示出了本发明的无扇叶风扇的第四个实施例。 [0032] FIG. 5 shows a fourth embodiment of the present invention without the fan blades. 从图中可以看出,本实施例与图3所示的实施例也相似,只是所设置的排气口4有所不同,在本实施例中,在每个连接管3上只设置了一排排气口,而在图3所示的每个连接管3上设置了两排排气口。 As can be seen from the figure, the embodiment illustrated in FIG. 3 embodiment of the present embodiment is also similar, except that the exhaust port 4 provided different, in the present embodiment, in each of the three provided a connection pipe exhaust vent, as shown in FIG 3 is provided in each of the two rows of tubes connected to the exhaust port 3.

[0033] 图6示出了本发明的无扇叶风扇的又一个实施例。 [0033] FIG. 6 shows a further embodiment of a bladeless fan of the present invention. 从图中可以看出,本实施例与图3所示的实施例也相似,只是所设置的支架5有所不同,在本实施例中,支架5为一落地式风扇的支架,该支架与喷嘴2固定连接。 As can be seen from the figure, the embodiment shown in FIG. 3 embodiment of the present embodiment is also similar, except that the bracket 5 provided different, in the present embodiment, the holder 5 is a floor fan bracket and 2 fixedly connected to the nozzle. 在另一个优选的实施例,支架5可以与气流产生装置1固定连接。 In another preferred embodiment, the bracket 5 may be fixedly connected to a device generating the air flow.

[0034] 尽管已经展示和描述了目前认为是优选的本发明的实施例,但显而易见,本领域的技术人员可以进行各种改变和改进,而不背离由所附权利要求书所限定的本发明的范围。 [0034] While there has been shown and described what are presently considered to be preferred embodiments of the present invention, it is apparent that those skilled in the art that various changes and modifications without departing from the present invention is defined by the appended claims defined range.

Claims (10)

  1. 一种用于产生空气流的无扇叶风扇,其特征在于,所述风扇包括:气流产生装置(1)、喷嘴(2)和连接管(3),所述喷嘴包括内部通道(6)和排气口(4)并具有闭合的环路,所述气流产生装置用于产生高压气流并且至少有部分位于所述喷嘴的闭合环路内,所述连接管连接于所述气流产生装置与所述喷嘴之间,为所述高压气流从所述气流产生装置至所述喷嘴提供流通的通道。 Bladeless fan for generating an air flow, characterized in that, said fan comprising: air flow generating means (1), a nozzle (2) and the connection pipe (3), said nozzle comprising an internal channel (6) and an exhaust port (4) and having a closed loop, and the means for generating high-pressure air means and at least partially positioned within the nozzle closed loop, the connecting pipe is connected to the flow generator generates said stream between said nozzle, said nozzle generating means to provide a flow path for said gas stream from the high pressure gas stream.
  2. 2.如权利要求1所述的无扇叶风扇,其特征在于,所述气流产生装置、所述喷嘴和所述连接管限定至少一个开口(7),所述风扇外部的空气通过所述开口被从所述排气口喷射的高压气流所抽吸。 2. The bladeless fan according to claim 1, wherein said gas flow generating means, the nozzle and the connecting tube defines at least one opening (7), external to said fan air through said opening high-pressure air is sucked from the exhaust port injection.
  3. 3.如权利要求1至2之一所述的无扇叶风扇,其特征在于,在所述连接管上也设置有排气口。 Bladeless fan of claim 1 to claim 2, wherein the exhaust port is also provided on the connecting pipe.
  4. 4.如权利要求1至2之一所述的无扇叶风扇,其特征在于,在所述气流产生装置上也设置有排气口。 Bladeless fan of claim 1 to 2 as claimed in claim 4, wherein the generating is also provided with the exhaust port means in said gas flow.
  5. 5.如权利要求1至2之一所述的无扇叶风扇,其特征在于,在所述连接管和所述气流产生装置上都设置有排气口。 5. The bladeless fan according to one claim 1, characterized in that, on the connecting tube and the airflow generating means is provided with an exhaust port.
  6. 6.如权利要求1至2之一所述的无扇叶风扇,其特征在于,所述喷嘴包括靠近所述排气口设置的为引导所述排气口所喷射的高压气流流过的柯恩达表面(8)。 6. The bladeless fan according to one of claim 1, wherein said nozzle comprises an exhaust port disposed adjacent said high pressure gas stream to direct the exhaust port flows ejected Ke Enda surface (8).
  7. 7.如权利要求1至2之一所述的无扇叶风扇,其特征在于,所述喷嘴构成的闭合的环路为圆形环路。 7. The bladeless fan according to one of claim 1, wherein the closed loop configuration of the nozzle is circular loop.
  8. 8.如权利要求1至2之一所述的无扇叶风扇,其特征在于,所述喷嘴构成的闭合的环路至少有部分是环形的。 8. The bladeless fan according to one of claim 1, wherein the closed loop configuration of said nozzle has at least partially annular.
  9. 9.如权利要求1至2之一所述的无扇叶风扇,其特征在于,所述排气口为缝隙状排气口,所述排气口在其出口处的宽度在0. 5毫米至6毫米之间。 9. The bladeless fan according to one of claim 1, wherein the exhaust port is a slot-shaped exhaust port, the exhaust port at its outlet width of 0.5 mm to between 6 millimeters.
  10. 10.如权利要求1至2之一所述的无扇叶风扇,其特征在于,所述气流产生装置为圆柱型,并位于所述喷嘴构成的闭合的环路的对称中心。 10. The bladeless fan according to one of claim 1, wherein said air stream generating means is a cylindrical type, and a nozzle located at the center of symmetry of the closed loop configuration.
CN2010102995800A 2010-10-04 2010-10-04 Fan without fan blades CN101936310A (en)

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