CN201763705U - Fan - Google Patents

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Publication number
CN201763705U
CN201763705U CN 201020548307 CN201020548307U CN201763705U CN 201763705 U CN201763705 U CN 201763705U CN 201020548307 CN201020548307 CN 201020548307 CN 201020548307 U CN201020548307 U CN 201020548307U CN 201763705 U CN201763705 U CN 201763705U
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CN
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Grant
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Prior art keywords
frame
air
outlet
outer
airflow
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Application number
CN 201020548307
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Chinese (zh)
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任文华
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任文华
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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
    • 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
    • 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

Abstract

The fan relates to a device generating air circulation and airflow, which comprises a base (1) arranged at an air outlet frame (7). The air outlet frame comprises an interior passage and an air outlet (3) through which the high-pressure airflow is ejected. The closed loop of the air outlet frame limits a mouth (4), and the air outside of the fan device is pumped by the airflow ejected from the air outlet through the mouth. The utility model is characterized in that the air outlet frame possesses an outer frame (2) and a plurality of nozzles (6) with bar-shaped exhaust outlet; the nozzle is arranged in the outer frame and is communicated with the outer frame; both the outer frame and the nozzle possess thickness along the axis (X) direction, and the thickness of the outer frame is larger than that of the nozzle. The utility model is capable of providing airflow of a large area in an even speed.

Description

风扇 fan

技术领域 FIELD

[0001] 本实用新型涉及一种风扇。 [0001] The present invention relates to a fan. 特别地,本实用新型涉及一种在室内外环境中产生空气循环和空气流的装置。 In particular, the present invention relates to a device for air circulation and the air flow is generated in the indoor and outdoor environment.

背景技术 Background technique

[0002] 2009年5月6日公开号为CN 101424278A的中国专利申请(申请号: 200810177843. 3)公开了一种用于产生空气流的风扇,该种风扇包括安装在基座上的出风框,所述基座容纳用于产生通过所述出风框的高压气流的构件,所述出风框包括用于接收来自所述基座的高压气流的内部通道和排气口,高压气流通过所述排气口被喷射,具有单一圆形闭合环路的出风框关于轴线基本上正交地延伸来限定开口,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气流抽吸,其中,所述出风框和所述基座各个都具有沿所述轴线方向上的厚度,并且其中,所述基座的厚度不超过所述出风框厚度的两倍。 [0002] May 6, 2009 Publication No. CN 101424278A Chinese patent application (application number: 200810177843.3) discloses a fan for generating the air flow, this type of fan is mounted on the base comprising an air frame, the base for receiving the wind produced by the high pressure gas stream frame member, said frame comprising means for receiving the high pressure air stream from the base of the interior passage and an exhaust port, through the high pressure gas stream the exhaust port is injected, having a single circular closed loop of the wind box on an axis extending substantially orthogonally to define an opening, the air outside the fan through the opening from the exhaust gas port injector suction air flow, wherein the air outlet frame and the base each have a thickness in the direction of the axis, and wherein the thickness of the base does not exceed the thickness of twice as wind box. 该种风扇的结构紧凑,能够从风扇的发射输出面以比较均勻的速度产生气流。 This kind of structure is compact fan, can be produced in a relatively uniform air flow velocity emitted from the output face of the fan.

[0003] 由于该种风扇的出风框是一个单一的闭合圆形环路的出风框,当该闭合圆形环路的孔径较大、特别是很大时,从该闭合圆形环路所限定的开口的中部流出的气流与靠近所述开口的环路壁附近流出的气流的速度相差很大,无法得到流速均勻的大面积气流。 [0003] Since the wind boxes this type of fan is a circular closed loop single block out of the wind, a closed circular loop when the larger pore size, particularly when large, from the closed circular loop airflow velocity gas stream exiting the central opening defined by the vicinity of the wall close to the opening of the loop flows differ greatly, uniform flow rate can not be obtained a large flow area. 因此很有必要进行改进,以使使用者在大范围内真正享受到舒适凉爽的效果。 Therefore it is necessary to improve, so that the user really enjoy cool and comfortable in a wide range of effects.

发明内容 SUMMARY

[0004] 本实用新型旨在提供一种改进的风扇以克服上述现有技术中的缺陷。 [0004] The present invention aims to provide an improved fan to overcome the drawbacks of the prior art described above. 本实用新型的目的是提供一种风扇,该风扇在使用过程中能够提供流速均勻的大面积气流。 The object of the present invention is to provide a fan which can be provided in the course of a large area uniform flow rate gas flow.

[0005] 为了达到上述目的,本实用新型采用如下技术方案:用于产生空气流的无叶片风扇,它包括:基座,在所述基座内设置有用于产生高压气流的构件;具有闭合环路的出风框,所述出风框安装在所述基座上,所述出风框包括用于接收来自所述基座的高压气流的内部通道和排气口,高压气流通过所述排气口被喷射,所述出风框的闭合环路限定开口,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气流抽吸;其特征在于,所述出风框包括一个中空的外框和多个具有条形排气口的喷嘴,所述喷嘴被设置在所述外框内并且都与所述外框连通,所述外框和所述喷嘴都具有沿轴线方向的厚度,所述外框的厚度大于所述喷嘴的厚度。 [0005] To achieve the above object, the present invention adopts the following technical solution: bladeless fan for generating an air flow, comprising: a base disposed within the base member for generating a high pressure gas stream; having a closed ring block passage of the wind, the wind is mounted on the base frame, said frame comprising means for receiving the high pressure air stream from the base of the interior passage and an exhaust port, the exhaust gas flow through the high pressure port is injected, the wind boxes closed loop defining an opening, the fan air outside the airflow through the suction opening is ejected from the exhaust port; characterized in that said frame comprises a wind a hollow frame bar and a plurality of nozzles having an exhaust port, the nozzle is disposed in the outer frame and are in communication with said outer frame, said frame and said nozzle having an axial direction the thickness of the frame is thicker than the nozzle.

[0006] 所述喷嘴被设置在所述外框内,通常多个喷嘴被等间隔地设置在所述外框内。 The [0006] nozzle is disposed in the outer frame, usually a plurality of nozzles are arranged at equal intervals in the outer frame. 所述外框其朝着气流输出方向的一端称为前端,其朝着气流输出方向的反方向的一端称为后端,所述喷嘴在所述外框内通常靠近所述外框的后端设置,使所述喷嘴的排气口与所述外框的前端相距一定的距离。 Towards the end of the outer frame which is referred to as the output direction of the front end of the gas flow, at one end thereof toward the opposite direction of airflow output direction is referred to as a rear end, the rear end of the nozzle outer frame generally adjacent to the outer frame provided, the tip of the nozzle and the exhaust port a distance from the outer frame. 在一个优选的实施例中,所述的多个喷嘴被等间隔地竖直设置在所述的外框内。 In a preferred embodiment, the plurality of nozzles are arranged vertically at equal intervals in the outer frame.

[0007] 所述中空的外框是指非实心的外框,其外框是空心的,其外框的空心通道能接收来自所述基座的高压气流。 The [0007] hollow frame means a non-solid frame, which frame is hollow, a hollow channel which can receive the frame of the high pressure gas stream from the base. [0008] 所述外框是一个构成闭合环路的外框,所述外框的整个闭合环路的横截面形状可以是圆形,可以是椭圆形,也可以是圆角矩形,还可以是其它形状。 [0008] The outer frame is a frame constituting a closed loop, the cross-sectional shape of the entire closed loop of the outer frame may be circular and may be oval, or may be a rounded rectangle, may also be other shapes.

[0009] 所述外框的厚度大于所述喷嘴的厚度,所述外框的厚度通常是所述喷嘴的厚度的1.5倍以上。 [0009] The frame thickness greater than the thickness of the nozzle, the outer frame thickness is usually 1.5 times or more the thickness of the nozzle.

[0010] 所述外框既具有接受或传送来自所述基座的高压气流的作用,又具有限定由所述外框所环绕的内部空间的大小并在所述排气口喷射高压气流时能有效形成负压区域的作用,还具有大体限定输出气流的输出面的作用。 [0010] The frame receiving or transmitting both a high pressure gas stream from the base of action, but also an internal space having sizes defined by the outer frame and surrounded by the exhaust port when the high-pressure air can be injected effective to form a negative pressure region, but also has the effect of generally defining the airflow output of the output face.

[0011] 在所述喷嘴上具有排气口外,在所述外框的内壁上也可以设置排气口。 [0011] have vent outlets on said nozzle, on the inner wall of the outer frame may be provided with an exhaust port. 在靠近所述外框上的排气口处通常设置有柯恩达表面。 At the exhaust port near the outer frame is generally provided with the Coanda surface.

[0012] 所述喷嘴的个数越多,通常越能在所述外框的内部空间形成空间分布均勻的负压,以获得流速更为均勻的气流,其所述喷嘴的个数通常为2个至20个。 [0012] The greater the number of nozzles, generally the more uniform distribution of the negative pressure forming space, in order to obtain a more uniform air flow velocity in the inner space of the outer frame, the number of which is generally of the nozzle 2 to 20.

[0013] 关于术语“高压气流”是指气压高于风扇周围大气压的气流。 [0013] With the term "high pressure air flow" refers to a pressure greater than atmospheric pressure air flow around the fan.

[0014] 关于术语“无叶片”是用来描述气流从扇组件中向前释放或喷出而不需要使用叶片装置。 [0014] 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,无叶片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 a 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.

[0015] 无叶片风扇可以藉由多种源装置或发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。 [0015] bladeless fan may be provided by a variety of primary air source or source means to produce high pressure stream generating means, such as pumps, generators, motors or other fluid engine comprising a rotor and an impeller rotating equipment such as sheet conveying device. 通过电机产生的空气量使得空气气流从房间或风扇外的环境中穿过内部通道到达出风框,然后从排气口喷出。 The amount of air produced by a motor so that air flow through the interior passage to block the wind from the environment outside the room or a fan, and then discharged from the exhaust port. 因此,关于术语“无叶片”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 other components and functions required for secondary fan means, 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.

[0016] 所述的用于产生高压气流的构件可以包括由电机驱动的叶轮,也可以包括直流无刷电机和混流叶轮。 [0016] An apparatus for producing a high pressure gas stream may include a member of an impeller driven by a motor, a brushless DC motor may include an impeller and mixed.

[0017] 本实用新型具有如下积极效果: [0017] The present invention has the following positive effects:

[0018] 由于本实用新型装置的出风框包括一个中空的外框和多个具有条形排气口的喷嘴,所述喷嘴被设置在所述外框内并且都与所述外框连通,所述外框和所述喷嘴都具有沿轴线方向的厚度,所述外框的厚度大于所述喷嘴的厚度,能输出流速均勻的大面积气流,使使用者能在大范围感受到舒适凉爽的效果。 [0018] Since the wind box apparatus of the present invention comprises a hollow frame bar and a plurality of nozzles having an exhaust port, the nozzle is disposed in the outer frame and are in communication with the outer frame, the outer frame and the nozzle has a thickness in the axial direction, the outer frame is thicker than the nozzle, the flow rate can output a large area uniform gas flow, so that the user can feel cool and comfortable in a wide range of effect.

附图说明 BRIEF DESCRIPTION

[0019] [0019]

[0020] [0021] [0022] [0020] [0021] [0022]

[0023] [0023]

[0024] [0024]

[0025] [0025]

[0026] [0026]

图1是现有技术的无叶片风扇的结构示意图; 图2是图1所示的无叶片风扇的出风框的立体示意图; 图3是本实用新型的风扇的示意图; 图4是图3所示的风扇的出风框的立体示意图; 图5是图4所示的出风框的喷嘴的立体示意图; 图6是本实用新型的风扇的第二个实施例; 图7是本实用新型的风扇的第三个实施例; 图8展示了本实用新型的风扇的第四个实施例。 FIG 1 is a schematic view of the bladeless fan of the prior art; FIG. 2 is a perspective view of a bladeless fan wind box shown in FIG. 1; FIG. 3 is a schematic view of a fan according to the present invention; FIG. 4 is a diagram illustrating 3 perspective schematic view of a fan wind box shown; FIG. 5 is a perspective view of the air nozzle shown in FIG frame; FIG. 6 is a fan of the present invention a second embodiment; FIG. 7 of the present invention is fan third embodiment; FIG. 8 shows a fourth embodiment of the present invention the fan. 具体实施方式 detailed description

[0027] 图1示出了现有技术的无叶片风扇的结构。 [0027] FIG. 1 shows the structure of the fan blades without the prior art. 风扇包括具有闭合圆形环路的出风框7,该出风框7限定开口4。 Fan comprises a closed circular loop having a frame 7 of the wind, the wind box 7 defining an opening 4. 再参考图2,出风框7包括圆形的内部通道、排气口3和靠近排气口3的柯恩达(Coanda)表面(图中未画出)。 Referring again to FIG. 2, the wind box 7 comprises a circular inner passage, an exhaust port 3 and an exhaust port near the Coanda (Coanda) surface 3 (not shown). 柯恩达表面设置成使得从排气口3离开并被引导流过柯恩达表面的气流通过柯恩达效应被放大,排气口3为环状的排气口。 3 is provided so that the Coanda surface and away from the guide gas flow through the Coanda surface is amplified by the Coanda effect, an annular exhaust port 3 exhaust port from the exhaust port. 出风框7连接到基座1上并由该基座支撑。 The wind box 7 is connected to the base by the support base 1.

[0028] 该种风扇的出风框是一个单一的闭合圆形环路,关于轴线X对称,当该闭合圆形环路的孔径较大时,从开口4的中部流出的气流与靠近开口4的环路壁附近流出的气流的速度相差很大,无法得到流速均勻的大面积气流。 [0028] This kind of fan wind box is a single closed circular loop, symmetrical about the axis X, when the large aperture closed circular loop, flowing from the gas stream with the central opening 4 near the opening 4 effluent gas flow velocity in the vicinity of the wall of the loop differ greatly, uniform flow rate can not be obtained a large flow area.

[0029] 图3是本实用新型的风扇的示意图。 [0029] FIG. 3 is a schematic view of the fan of the present invention. 从图中可见,本实用新型装置包括:基座1, 在基座内设置有用于产生高压气流的构件;安装在基座1上的出风框7,该出风框包括一个中空的外框2和3个具有条形排气口的喷嘴6,这些喷嘴被等间隔地竖直设置在外框2内并且都与外框2连通;外框2的整个闭合环路的横截面形状为圆角矩形;该出风框的多个环路构成了4个开口4,所述风扇外部的空气通过这些开口被从3个喷嘴6的排气口3喷射的气流抽吸。 Be seen, the present invention comprises a device from the figure: a base 1 is provided with a means for generating a high pressure gas stream within the base; wind box 7 is mounted on the base 1, the air outlet includes a hollow box frame 2 and 3 has a strip-shaped vent nozzle 6, the nozzles are arranged vertically at equal intervals in the outer frame 2 and both communicating with the outer frame 2; the entire cross-sectional shape of the closed loop is a rounded outer frame 2 rectangular; a plurality of loops constituting the wind box four air openings 4, the external fan is ejected through these openings from the exhaust port nozzle 3 3 6 a suction airflow. 参考图4和图5,外框2和喷嘴6都具有沿轴线X方向的厚度,外框2的厚度大于喷嘴6的厚度,喷嘴6的排气口3位于喷嘴6的前端,喷嘴6在排气口附近的横截面尺寸小于喷嘴6其后部的横截面尺寸,这样有利于提高从排气口喷出的气流的速度。 4 and 5, the outer frame 2 and the nozzle 6 having a thickness in the direction of axis X, the thickness of the outer frame 2 is greater than the thickness of the nozzle 6, the nozzle 3 is located in the exhaust port of the nozzle tip 6, 6 in the exhaust nozzle 6 cross-sectional dimension near the gas port 6 is smaller than the cross-sectional dimension of the rear portion of the nozzle, this will help increase the speed of the airflow discharged from the exhaust port. 从图4中可以看到,喷嘴6被设置在外框2内并靠近其后端,使位于喷嘴的前端的排气口3与外框2的前端相距一定的距离。 As can be seen in FIG. 4, the nozzle 6 is provided within the outer frame 2 and close to its rear end, the front end of the exhaust port of the nozzle 3 and the front end of the outer frame 2 a certain distance apart.

[0030] 该种风扇使用时,位于基座1内的产生高压气体的构件运行工作,空气从位于基座1的外壳下部的进口5被抽入,经过升压后送入出风框7的内部通道中,并被排气口3喷出,来自周围外部环境的空气被排气口3喷出的气流所卷吸,被喷出的气流和被卷吸的气流结合以产生从出风框7向前射出的总气流。 [0030] When this type of fan is used, the base is located within a high-pressure gas generating member working operation, air 5 is drawn into the housing from the inlet located at the lower portion of the base 1, after the booster into the wind box 7 internal passage, the exhaust port 3 and the discharge air from the external ambient environment 3 being entrained air discharge vent, and the air is discharged is entrained air combined to produce an air box from 7 total air flow emitted forward.

[0031] 由于该种风扇的多个喷嘴6在出风框7内被等间隔地分布,在工作时能在外框2 所环绕的内部空间形成空间分布比较均勻的负压,以达到输出流速均勻的大面积气流的目的。 [0031] Since a plurality of kinds of nozzles of the fan 6 in the wind box is distributed at equal intervals 7, capable of forming a relatively uniform spatial distribution of the negative pressure in the inner space surrounded by the outer frame 2 during operation, to achieve a uniform output flow rate the purpose of large-scale flow.

[0032] 图6示出了本实用新型的风扇的第二个实施例。 [0032] FIG. 6 shows a second embodiment of the present invention the fan. 从图中很容易看出,本实施例包括:基座1,在基座内设置有用于产生高压气流的构件;安装在基座1上的出风框7,该出风框包括一个外框2和5个具有条形排气口的喷嘴6,这些喷嘴被等间隔地竖直设置在外框2 内并且都与外框2连通,外框2的整个闭合环路的横截面形状为圆形,该出风框的多个环路构成了6个开口4,所述风扇外部的空气通过这些开口被从5个喷嘴6的排气口3喷射的气流抽吸。 Readily seen from the figure, the present embodiment includes: a base 1 is provided with a means for generating a high pressure gas stream within the base; wind box mounted on the base 1 7, which comprises a wind box frame 2 and 5 bar having a vent nozzle 6, the nozzles are arranged vertically at equal intervals in the outer frame 2 and both communicating with the outer frame 2, the cross-sectional shape of a closed loop the entire outer frame 2 is circular the wind box of the plurality of loops form a six openings 4, the air outside the fan through these openings is ejected from the exhaust port 6 of the nozzle 5 of the suction air stream 3.

[0033] 图7示出了本实用新型的风扇的第三个实施例。 [0033] FIG. 7 shows a third embodiment of the present invention the fan. 从图中很容易看出,本实施例是在图3所示的实施例的基础上多设置了4个喷嘴6所形成的,这4个喷嘴被水平设置在外框2内并处于同一条水平线上,这样出风框7的多个环路构成了8个开口4,在工作时能在外框2所环绕的内部空间形成空间分布更为均勻的负压,以获得流速更为均勻的大面积气流。 Readily seen from the figure, the present embodiment is provided with four multi-nozzle on the basis of the embodiment shown in Figure 3 is formed on the 6, four nozzles are disposed horizontally within the outer frame 2 and a horizontal line in the same on a plurality of loops so that the wind box 7 constituting eight openings 4, when working a large area can be formed more uniform spatial distribution of the negative pressure, to obtain a more uniform velocity in the internal space surrounded by the outer frame 2 airflow.

[0034] 图8示出了本实用新型的风扇的又一个实施例。 [0034] FIG. 8 illustrates yet another fan of the present invention embodiment. 从图中可以看出,本实施例与图3所示的实施例的相似,只是本实施例的出风框7有点不同,本实施例的出风框7在外框2 5的内壁上也设置了排气口,这样在工作时有利于在外框2的内部空间形成空间分布更为均勻的负压,以获得流速更为均勻的大面积气流。 As can be seen from the figure, the embodiment is similar to the embodiment of the present embodiment shown in FIG. 3, only the wind box 7 of the present embodiment is a little different, the wind box 7 of the present embodiment is also provided on the inner wall of the outer frame 25 the exhaust port, so that in operation facilitates the formation of a more uniform spatial distribution of the negative pressure in the inner space of the outer frame 2 to obtain a large flow rate of the gas flow more uniform.

[0035] 尽管已经展示和描述了目前认为是优选的本实用新型的实施例,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实用新型的范围。 [0035] 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 appended claims as defined in the present utility model range.

Claims (10)

  1. 一种用于产生空气流的无叶片风扇,它包括:基座(1),在所述基座内设置有用于产生高压气流的构件;具有闭合环路的出风框(7),所述出风框安装在所述基座上,所述出风框包括用于接收来自所述基座的高压气流的内部通道和排气口(3),高压气流通过所述排气口被喷射,所述出风框的闭合环路限定开口(4),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气流抽吸;其特征在于,所述出风框包括一个中空的外框(2)和多个具有条形排气口的喷嘴(6),所述喷嘴被设置在所述外框内并且都与所述外框连通,所述外框和所述喷嘴都具有沿轴线(X)方向的厚度,所述外框的厚度大于所述喷嘴的厚度。 Bladeless fan for generating an air flow, comprising: a base (1), disposed within the base member for generating a high pressure gas stream; closed loop having an air block (7), the wind box mounted on said base, said frame comprising means for receiving the high pressure air stream from the base of the interior passage and an exhaust port (3), the high pressure gas stream is injected through the exhaust port, the wind box closed loop defining an opening (4), the fan air outside the airflow through the suction opening is ejected from the exhaust port; characterized in that said frame comprises a hollow wind outer frame (2) and a plurality of nozzles (6) having a stripe-shaped exhaust port, and the nozzle is disposed in the outer frame are in communication with said outer frame, said frame and said nozzles having a thickness along the axis (X) direction, the outer frame is thicker than the nozzle.
  2. 2.如权利要求1所述的无叶片风扇,其特征在于,所述多个喷嘴被等间隔地竖直设置在所述外框内。 2. The bladeless fan according to claim 1, wherein said plurality of nozzles are arranged vertically at equal intervals in the outer frame.
  3. 3.如权利要求1所述的无叶片风扇,其特征在于,所述外框的厚度是所述喷嘴的厚度的1.5倍以上。 Bladeless fan according to claim 1, wherein said frame has a thickness of more than 1.5 times the thickness of the nozzle.
  4. 4.如权利要求1所述的无叶片风扇,其特征在于,所述多个喷嘴被等间隔地竖直设置在所述外框内,所述外框的厚度是所述喷嘴的厚度的1. 5倍以上。 4. A bladeless fan according to claim 1, wherein said plurality of nozzles are arranged vertically at equal intervals in the outer frame, the outer frame thickness is the thickness of the nozzle 1 more than 5 times.
  5. 5.如权利要求1所述的无叶片风扇,其特征在于,在所述外框的内壁上也设置有排气□。 5. The bladeless fan according to claim 1, wherein □ is also provided with an exhaust on the inner wall of the outer frame.
  6. 6.如权利要求1所述的无叶片风扇,其特征在于,在所述外框的内壁上也设置有排气口,所述外框的厚度是所述喷嘴的厚度的1.5倍以上。 6. The bladeless fan according to claim 1, wherein the exhaust port is also provided on the inner wall of the outer frame, the outer frame thickness is less than 1.5 times the thickness of the nozzle.
  7. 7.如权利要求1至6之一所述的无叶片风扇,其特征在于,所述喷嘴的个数为2个至20个。 7. The bladeless fan according to one of claim 1, wherein the number of the nozzles is 2 to 20.
  8. 8.如权利要求1至6之一所述的无叶片风扇,其特征在于,所述外框是一个构成闭合环路的外框,所述外框的整个闭合环路的横截面形状为圆形。 8. The bladeless fan according to one of claim 1, wherein said outer frame is a closed loop constituting the outer frame, the outer frame of the entire cross-sectional shape is circular closed loop shape.
  9. 9.如权利要求1至6之一所述的无叶片风扇,其特征在于,所述外框是一个构成闭合环路的外框,所述外框的整个闭合环路的横截面形状为圆角矩形。 9. The bladeless fan according to one of claim 1, wherein said outer frame is a closed loop constituting the outer frame, the outer frame of the entire cross-sectional shape is circular closed loop corner rectangle.
  10. 10.如权利要求5至6之一所述的无叶片风扇,其特征在于,所述外框包括靠近其外框上的排气口设置的柯恩达表面。 5 10. The bladeless fan according to one of claim 6, wherein said frame comprises a Coanda surface thereof near an exhaust port provided on the outer frame.
CN 201020548307 2010-09-22 2010-09-22 Fan CN201763705U (en)

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