CN102454645B - Fan assembly - Google Patents

Fan assembly Download PDF

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Publication number
CN102454645B
CN102454645B CN201110319580.7A CN201110319580A CN102454645B CN 102454645 B CN102454645 B CN 102454645B CN 201110319580 A CN201110319580 A CN 201110319580A CN 102454645 B CN102454645 B CN 102454645B
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CN
China
Prior art keywords
nozzle
fan
portion
insert
axis
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Application number
CN201110319580.7A
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Chinese (zh)
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CN102454645A (en
Inventor
T.N.斯蒂克尼
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戴森技术有限公司
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Priority to GB201017706A priority Critical patent/GB2484695A/en
Priority to GB1017706.1 priority
Priority to GB1017707.9 priority
Priority to GB201017707A priority patent/GB2484696A/en
Application filed by 戴森技术有限公司 filed Critical 戴森技术有限公司
Publication of CN102454645A publication Critical patent/CN102454645A/en
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Publication of CN102454645B publication Critical patent/CN102454645B/en

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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
    • F04D23/00Other rotary non-positive-displacement pumps
    • 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
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or systems
    • 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
    • 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
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46Arrangements of nozzles
    • F04F5/461Adjustable nozzles

Abstract

一种风扇,其包括喷嘴以及用于产生流经喷嘴的主空气流的装置。 A fan, comprising a device and a main nozzle for generating an air flow flowing through the nozzle. 喷嘴包括用于将主空气流喷出的嘴部,且限定了孔,通过所述孔来自风扇外部的辅助空气流被从嘴部喷出的主空气流吸入,且和主空气流结合形成混合空气流。 The nozzle comprising a mouth portion of the primary air stream is ejected, and defines an aperture, primary air intake flow of the auxiliary air flow from the fan is discharged outside from the nozzle portion through the aperture, and the primary air stream, and combined to form a mixed air flow. 为了允许用户调节混合空气流的至少一个参数,例如分布、取向和方向中的至少一个,该风扇包括至少部分地位于喷嘴的孔中的插入件。 To allow a user to adjust the at least one parameter of the mixed air stream, such as distribution, orientation and direction of at least one of a fan comprising an insert located at least partially in the nozzle orifice. 可向风扇提供一组这样的插入件。 Such a set may be provided to the fan insert.

Description

风扇组件 Fan assembly

技术领域 FIELD

[0001] 本发明涉及一种风扇。 [0001] The present invention relates to a fan. 特别但并不排他地,本发明涉及一种落地或台式风扇,诸如桌用扇、塔式扇以及底座风扇。 Particularly, but not exclusively, the present invention relates to a floor or a desk fan, a fan, a fan such as a tower fan, and a base table.

背景技术 Background technique

[0002] 传统的家用风扇通常包括一组安装用于绕轴旋转的叶片或桨叶,以及用于旋转所述叶片组以产生空气流动的驱动装置。 [0002] The conventional domestic fan typically includes a drive means mounted for rotation about an axis blades or buckets, and for rotating the set of blades to generate an air flow set. 空气流的运动和循环产生了“风冷”效果或微风,且作为结果,用户体验到冷却的效果,这是由于热量被通过传导以及蒸发驱散了。 Movement and produces the circulating air flow "air" effect or breeze and, as a result, the user experiences a cooling effect due to the evaporation heat is by conduction and to disperse. 叶片总体地位于笼状件中,所述笼状件在防止用户与风扇使用中和旋转中的叶片接触的同时允许空气流流经壳体。 Vanes positioned generally cage-like member, the cage member while preventing the use of the fan blades and the user contact rotation allowing air flow through the housing.

[0003] 文件WO 2009/030879描述了一种不使用被笼状件收纳的叶片以从风扇组件中将空气吹出的风扇组件。 [0003] The document WO 2009/030879 describes a cage-like member is not used by the blades of the fan assembly housing air will be blown from the fan assembly. 替代地,该风扇组件包括圆柱形基部以及环状喷嘴,所述圆柱形基部收纳有电机驱动的叶轮,以将主空气流吸入基部中,所述环状喷嘴被连接至基部,且还包括环状嘴部,主空气流通过该嘴部从风扇喷射出。 Alternatively, the fan assembly comprising a base and a cylindrical annular nozzle, the cylindrical base with a motor driven impeller housing, the main air flow to the suction base, the annular nozzle is connected to the base, and further comprising a ring shaped mouth portion, the primary air stream injected from the fan section through the nozzle. 喷嘴限定了开口,透过所述开口由所述嘴部喷出的主空气流吸入风扇组件所处的环境中的空气,增强主空气流。 A nozzle defining an opening, said opening of the main air from the discharge mouth flows through the air intake of the fan assembly of the environment, enhancement main air flow. 该喷嘴包括位于所述嘴部上方的科恩达表面,其被布置为引导主空气流。 The nozzle comprises a Coanda surface located above the mouth portion, which is arranged to direct the primary air flow. 科恩达表面绕开口的中心轴线对称地延伸,以使得由风扇组件产生的空气流为具有圆柱形或截头圆锥形分布的环形射流的形式。 Coanda surface extends about the opening of the central axis symmetrically, so that the air stream generated by the fan assembly having a cylindrical or frustoconical annular jet in the form of distribution.

发明内容 SUMMARY

[0004] 在第一方面中,本发明提供了一种风扇,其包括喷嘴以及用于产生流经喷嘴的主空气流的装置。 [0004] In a first aspect, the present invention provides a fan comprising the device and a main nozzle for generating an air flow flowing through the nozzle. 喷嘴包括用于将主空气流喷出的至少一个出口,且限定了孔,通过所述孔来自风扇外部的辅助空气流被从至少一个出口喷出的主空气流吸入。 The nozzle comprising a primary air stream is ejected at least one outlet and defining an aperture, the secondary air flow through the aperture from outside the fan is discharged from the at least one outlet of the main flow of the intake air. 为了允许用户调节混合空气流的至少一个参数,该风扇包括至少部分地位于喷嘴的孔中的插入件。 To allow a user to adjust the at least one parameter of the mixed air flow, the fan comprising an insert located at least partially in the nozzle orifice.

[0005] 该混合空气流的至少一个参数可包括混合空气流的分布、取向、方向、流动速率(例如以升/秒为单位)以及速度中的至少一个。 [0005] the at least one parameter of the mixed air stream may include distribution, orientation, direction and flow rate of mixed air flow (e.g. in liters / sec) and at least one speed. 因此,通过调节处于喷嘴孔内的插入件的位置,用户可调节诸如混合空气从风扇向前吹出的方向,这示例性地是为了将空气流朝向或远离风扇附近的人倾斜。 Thus, by adjusting the position in the insert bore of the nozzle, the user can adjust the direction of air blown from the mixing, such as fan forward, which illustratively for the air flow towards or away from the vicinity of the fan inclined people. 可替换地或附加地,插入件可扩展或限制混合空气流的分布,以增加或减少位于空气流路径内的用户的数量。 Alternatively or additionally, the insert may expand or limit distribution of the mixed air stream, to increase or decrease the number of users located within the air flow path. 作为另一种可替换方案,插入件可改变空气流的取向,以提供范围较大的用于冷却多个用户的混合空气流。 As another alternative, the insert can change the orientation of the air stream, to provide a wider range of the mixed air flow for cooling the plurality of users.

[0006] 插入件可在喷嘴的孔内运动,以允许用户例如迅速改变混合空气流从风扇朝向前喷出的方向。 [0006] can insert the nozzle bore movement, for example to allow the user to quickly change the direction of flow of the mixed air discharged from the fan toward the front. 示例性地,插入件可滑过喷嘴,和/或沿喷嘴的孔滑动,或可在喷嘴的孔内旋转。 Illustratively, the insert may be slid over the nozzle, and / or slide along the bore of the nozzle, or the nozzle bore rotatable. 喷嘴可包括用于引导插入件相对于孔运动的装置。 The nozzle may comprise means for guiding the insertion member with respect to the movement hole.

[0007] 插入件可具有任何适合以需要的方式改变空气流动的形状。 [0007] The insert may have any suitable manner desired to change the shape of the air flow. 示例性地,插入件可包括一个或多个可以位于喷嘴的孔内的部分,以使混合空气流以特定的方向偏转,例如朝向或远离位于风扇一侧的人偏转。 Illustratively, the insert may comprise one or more portions of the nozzle hole may be located so that the mixed air flow deflected to a certain direction, for example toward or away from the fan side of the deflection people. 在一个实施例中,插入件可以包括多个互相连接的部分,其同时位于喷嘴的孔内。 In one embodiment, the insert may comprise a plurality of interconnected portions, which at the same time the nozzle hole. 这些部分可具有大致相同的形状,或者它们可以具有不同形状。 These portions may have substantially the same shape, or they may have different shapes. 所述部分可被绕轴线布置。 The portion may be disposed about the axis. 当插入件位于喷嘴内时,插入件优选大致和喷嘴的孔同轴线。 When the insert is positioned within the nozzle, the insert is preferably substantially coaxial orifice and a nozzle. 所述部分可绕轴线规则或不规则地间隔开。 The portion rotatable about an axis spaced regularly or irregularly.

[0008] 插入件可部分地位于喷嘴的孔内,这示例性地是使得插入件的一部分从喷嘴的前端向前伸出,以便沿特定的方向引导部分或全部混合空气流。 [0008] The insert member may be partially located in the bore of the nozzle, which is illustratively such that the insert part projecting forwardly from the tip of the nozzle to direct some or all of the mixed air stream in a specific direction. 可替换地,插入件可大致完全位于喷嘴的孔内。 Alternatively, the insert may be substantially entirely located in the nozzle bore. 喷嘴的孔优选朝向孔的前端向外成锥形,因此插入件优选通过喷嘴的前端插入孔内。 The tip of the nozzle holes are preferably tapered outwardly towards the aperture, preferably by insert so the tip of the nozzle insertion hole. 插入件可为环形形状。 The insert may be an annular shape. 插入件可包括位于喷嘴的前沿之上的边缘,以将插入件保持在嗔嘴的孔内。 The insert can include an edge above the leading edge of the nozzle, to hold the insert in the hole mouth anger.

[0009] 喷嘴的所述至少一个出口可位于喷嘴的后部附近,且被布置为通过喷嘴的孔喷出主空气流。 [0009] the at least one outlet of the nozzle may be located near the rear of the nozzle, and arranged to discharge the main air flow through the nozzle orifice. 如前文所述,喷嘴优选包括限定喷嘴的孔的表面,且所述至少一个出口优选被布置为将主空气流引导掠过喷嘴的所述表面上方。 As previously described, preferably comprising a nozzle hole of the nozzle defining surface, and the at least one outlet is preferably arranged above the guide surface of the primary air stream passing the nozzle. 优选地,所述至少一个出口被布置为将主空气流引导掠过其上的表面包括科恩达表面。 Preferably, the at least one outlet is arranged to direct the flow of air passing the primary surface on which includes a Coanda surface. 科恩达表面为已知类型的表面,从接近于该表面的输出孔口排出的流体流动掠过该表面呈现科恩达效应。 Coanda surface is a known type of surface, is discharged from the fluid flow near the surface of the output aperture passing the surface exhibits the Coanda effect. 流体趋向于紧靠该表面流动,几乎“紧贴”或“紧靠”于该表面。 Fluid tends to flow against the surface, almost "close" or "close" to the surface. 科恩达效应为一种已经证实且广泛记载的流体带走手段,通过该效应主空气流被引导掠过科恩达表面。 Coanda effect is a proven and widely described in the fluid away means is guided Coanda surface passing through the main air flow effect. 关于科恩达表面特征的描述以及掠过科恩达表面的流体流动的效应可参考诸如Reba所著的Scientific American, Volume 214,June 1966第84至92页的文章。 Coanda surface features on the surface description and the Coanda effect of the passing flow of fluid, such as a reference book Scientific American Reba, Volume 214, June 1966 article on page 92 to 84. 通过科恩达表面的使用,增加数量的来自风扇外部的空气被由喷嘴喷出的空气吸引穿过孔。 By the use of a Coanda surface, an increased number of air from outside the fan is discharged from the nozzle through the air suction hole.

[0010] 在一优选实施例中,通过风扇的喷嘴形成空气流。 [0010] In a preferred embodiment, an air flow through the fan nozzle. 在下文中,该空气流被称作主空气流。 Hereinafter, the air flow is referred to as primary air flow. 主空气流被从喷嘴的所述至少一个出口喷出,且优选地掠过科恩达表面。 Is the main air flow from the at least one outlet nozzle is ejected, and preferably passing a Coanda surface. 主空气流带走喷嘴四周的空气,起空气放大器的作用,以便将主空气流和带入的空气流一起提供给用户。 Taken main air flow around the air nozzle, air acts as an amplifier, to the main air flow and the entrained air flow provided to the user together. 带入的空气在此被称作辅助空气流。 Entrained air in the secondary air flow is referred to herein. 辅助空气流被从喷嘴嘴部四周的室内空间、区域或外部环境中吸入,且替代地,从环绕风扇的其他区域中吸入,且主导地流经由喷嘴限定的孔。 Secondary air stream, region or external environment surrounding the indoor space from the suction nozzle mouth portion, and alternatively, from the other area surrounding the suction fan, and the dominant flow through the aperture defined by the nozzle. 被引导掠过科恩达表面的主空气流和带入的辅助空气流一起相当于从喷嘴的孔的前端向前喷出或吹出的混合或总空气流。 Passing guided Coanda surface of the main air flow and the secondary air flow entrained with the air flow corresponding to the total mixing or discharged or blown from the tip of the nozzle holes forward.

[0011] 科恩达表面可包括位于所述至少一个出口下游的扩散器部分。 [0011] may comprise a Coanda surface located downstream of the diffuser portion of the at least one outlet. 扩散器部分优选地绕轴线延伸,且优选成锥形地朝向或远离所述轴线。 Diffuser portion preferably extends about the axis, and is preferably tapered towards or away from the axis.

[0012] 插入件优选地覆盖喷嘴的科恩达表面的至少一部分,因此可被以罩(mask)的形式提供,所述罩可被插入喷嘴的孔中。 [0012] Preferably at least part of the insert covers the surface of the Coanda nozzle, thus can be provided as a cover (mask), and the cover can be inserted into the hole of the nozzle. 插入件优选地覆盖科恩达表面的扩散器部分的至少一部分。 Insert the diffuser portion preferably covers at least a portion of the Coanda surface. 当插入件包括多个互相连接的部分时,每一个部分可覆盖科恩达表面的扩散器部分的相应局部。 When the insert member comprises a plurality of interconnecting portions, each portion may cover a portion of the respective local spread Coanda surface.

[0013] 作为使用多个互相连接的部分提供插入件的替代方案,插入件可包括限定了孔的表面,当插入件位于喷嘴中时,来自风扇外部的辅助空气流借助从嘴部喷出的主空气流穿过所述孔吸入。 [0013] provided as part of a plurality of interconnected alternative to the insert, the insert may include a surface defining the hole when the insert member is located in nozzle, secondary air flow from the outside by the fan is discharged from the mouth portion primary air suction through the aperture. 这种插入件可覆盖科恩达表面的环状部分,优选地覆盖科恩达表面的扩散器部分的至少一部分,且更优选地覆盖科恩达表面的大致整个扩散器部分。 Such an insert may cover the annular portion of the Coanda surface preferably covers at least a portion of the diffuser portion of a Coanda surface, and more preferably covers substantially the entire portion of the Coanda surface of the diffuser. 当插入件位于喷嘴中时,插入件的孔优选地和喷嘴的孔大体共轴线。 When the insert is located in nozzle holes and the nozzle holes are preferably substantially coaxial insert. 喷嘴的所述至少一个出口被优选地布置为引导主空气流穿过插入件的孔。 The at least one outlet of the nozzle is preferably arranged to direct the primary air flow holes through the insert.

[0014] 插入件的表面优选地绕轴线延伸,且所述表面的至少一部分优选地朝向所述轴线倾斜。 At least a portion of the [0014] surface of the insert preferably extending about the axis, and the surface is preferably inclined toward the axis. 该插入件的表面相对于轴线的倾斜度优选地不同于科恩达表面的扩散器部分的倾斜度。 Surface of the insert relative to the axis of inclination of the inclination of the diffuser is preferably different portion of the Coanda surface. 在此情形中,喷嘴的孔内的插入件的位置可改变混合空气流的流量(flow rate)和速度。 In this case, the position of the nozzle bore of the insert may vary the flow rate of the mixed air flow (flow rate) and the speed. 示例性地,在插入件的表面相对于轴线的倾斜角度小于科恩达表面的扩散器部分相对于轴线的倾斜角度的情况下,当插入件位于喷嘴内时,混合空气流的流量将减小,但混合空气流的流速将增加。 Illustratively, the surface of the insert with respect to the angle of inclination of the axis of the diffuser is smaller than the Coanda surface portion with respect to the case where the inclination angle of the axis, when the insert is located within the nozzle, the flow rate of the mixed air flow is reduced, However, the flow rate of the mixed air flow increases.

[0015] 大致全部插入件表面都可相对于轴线以相同量倾斜,因此表面可具有圆柱形或截头圆锥形形状。 [0015] substantially the entire surface of the insert relative to the axis can be inclined in the same amount, so that the surface may have a cylindrical or frusto-conical shape. 倾斜角可在-15至35°的范围内。 The inclination angle may range from -15 to 35 °. 可替换地,倾斜角可相对于轴线变化。 Alternatively, the inclination angle relative to the axis changes. 通过相对于轴线变动倾斜角,当插入件位于喷嘴的孔中时,由风扇产生的空气流可具有非圆柱形或非截头圆锥形分布。 By the inclination angle with respect to the axis changes when the insert bore of the nozzle, the air stream generated by the fan can have a non-cylindrical or frustoconical profile. 该角度可沿表面变动,即,相对于轴线,在至少一个最小值和至少一个最大值之间变动。 The angle may change along the surface, i.e., relative to the axis, at least one of the at least one maximum and minimum variation between. 优选地,角度沿表面在多个最大值和多个最小值之间变动。 Preferably, the angle variation along the surface between a plurality of maxima and a plurality of minimum values. 在一个优选实施例中,角度沿表面在六个最大值和六个最小值之间变动。 In a preferred embodiment, the angle variation along the surface between the maximum value and the six six minimum. 优选最大值和最小值绕轴线规则地间隔开。 Maximum and minimum values ​​preferably regularly spaced around the axis. 最小值的范围可以从-15°至15°,而最大值的范围可以从20°至35°。 Can range from a minimum value -15 ° to 15 °, and the maximum range may be from 20 ° to 35 °. 在一个优选实施例中,最大值至少为最小值的两倍。 In a preferred embodiment, at least twice the minimum value of the maximum value. 倾斜角可相对于轴线连续或不连续地变动。 Inclination angle relative to the axis changes continuously or discontinuously.

[0016] 风扇可包括一组插入件,所述插入件可互换地位于喷嘴的孔内,且因此本发明在第二方面中提供了一种风扇,其包括喷嘴以及用于产生流经所述喷嘴的主空气流的装置,该喷嘴包括用于喷出主空气流的至少一个出口,喷嘴限定出孔,通过该孔从所述至少一个出口喷出的主空气流将来自风扇外部的辅助空气流吸入,且所述辅助空气流和主空气流结合形成混合空气流;其特征在于所述风扇包括多个插入件,它们可互换地插入喷嘴的孔中,以调节所述混合空气的至少一个参数,每一个插入件都具有各自不同的轮廓。 [0016] The fan may comprise a set of insert, the insert bore of the nozzle interchangeably, and thus the present invention provides a fan in the second aspect, comprising a nozzle and means for generating the flowing said apparatus main air flow nozzle comprising a nozzle for ejecting the primary air stream at least one outlet nozzle defining a bore, ejected from said at least one outlet through which the primary air flow from the outside of the fan-assisted intake air flow and the secondary air flow and the primary air stream to form a mixed air stream; characterized in that said fan comprises a plurality of inserts which are interchangeably inserted into the orifice of the nozzle in order to adjust the mixed air the at least one parameter, each insert having a respective different profiles. 例如,如上所述,一个插入件可包括多个互相连接的部分,而另一插入件可包括孔,通过该孔喷嘴嘴部喷出的主空气流可将辅助空气流吸入。 For example, as described above, a portion of the insert may include a plurality of interconnected, while the other insert may include holes, the primary air stream may be ejected nozzle portion through which the secondary air flow inlet orifice of the nozzle.

[0017] 所述至少一个出口优选地围绕喷嘴的孔延伸。 [0017] Preferably, the at least one outlet aperture extends around the nozzle. 喷嘴可包括围绕孔连续的单个出口,该出口可大致为圆形。 Nozzle may comprise a single continuous around the hole outlet, the outlet may be substantially circular. 优选地,在出口(一个或多个)处喷嘴的相对表面之间的间距优选地在0.5mm至5_的范围内。 Preferably, at the outlet (s) it is preferably the spacing between the opposing surface of the nozzle in the range of 0.5mm to 5_. 所述一个,或每一个出口优选地为槽的形式。 The one, or each outlet is preferably in the form of grooves.

[0018] 喷嘴被优选地安装在收纳有用于产生空气流的装置的基部上。 [0018] The nozzles are preferably mounted on the base for accommodating an air flow generated. 在本优选的风扇中,该产生穿过喷嘴的空气流的装置包括由电机驱动的叶轮。 In the preferred fan, an air flow through the nozzle comprises an impeller driven by a motor that is generated.

[0019] 插入件可独立于风扇设置,因此本发明在第三方面提供了一种用于风扇的附件,该附件包括至少一个用于喷出主空气流的出口以及孔,通过所述孔来自风扇外部的辅助空气流被从所述至少一个出口喷出的主空气流吸入,且和主空气流结合以产生混合空气流,可将该附件置于喷嘴上,优选位于喷嘴的所述孔中。 [0019] The insert may be provided independently of the fan, the present invention thus provides an attachment for a fan in a third aspect, the attachment comprises at least one orifice for the ejection outlet, and the primary air flow through the aperture from external fan-assisted air stream discharged from the at least one outlet of the main air flow inlet, and the primary air stream, and combined to generate a mixed air flow, the attachment may be placed on the nozzle, the nozzle orifice is preferably located .

[0020] 如上所述,附件可改变混合空气流的至少一个参数。 [0020] As described above, the accessory may be changed at least one parameter of the mixed air stream. 但是,附件可为用户提供可供选择的或附加的好处。 However, the accessory may provide alternative or additional benefits for the user. 示例性地,附件可具有不同于风扇喷嘴的颜色,和/或可由不同于风扇喷嘴的材料制成。 Illustratively, the accessory may have a color different from the fan nozzle, and / or materials may be made different from the fan nozzle. 附件可由荧光材料制成,或可包括一个或多个发光二极管(LEDs)或其他发光装置。 Accessories may be made of a fluorescent material, or may comprise one or more light emitting diodes (LEDs) or other light emitting device. 附件可被配置为支撑图片、照片或其他物件(一个或多个)。 Accessories can be configured to support graphics, pictures or other objects (one or more). 示例性地,该附件可包括用于保持一个或多个物件的壳体,所述物件诸如文具、钱币、钥匙、遥控器等。 Illustratively, the attachment may comprise one or more objects for holding the housing, such as the article of stationery, coins, keys, a remote controller and the like. 可将附件夹紧于喷嘴的前端。 The attachment may be clamped to a nozzle tip. 附件可包括温度计、气压计、摄像头、显示屏、时钟、无线电接收装置或其他电子或机械设备。 Accessories may include thermometers, barometers, camera, display, clock, radio receiving apparatus or other electronic or mechanical device.

[0021] 在第四方面,本发明提供了一种风扇组件以及用于产生穿过所述喷嘴的空气流的装置,喷嘴包括内部通道、用于从该内部通道接收空气流的至少一个出口、以及科恩达表面,该科恩达表面位于所述至少一个出口附近,所述至少一个出口被布置为引导主空气流掠过该科恩达表面,其特征在于所述风扇包括可移除的、用以覆盖科恩达表面的至少一部分的罩。 [0021] In a fourth aspect, the present invention provides an apparatus and a fan assembly an air flow through the nozzle for generating nozzle includes an internal passage for receiving at least one outlet of the air flow from the interior passage, Coanda surface and the Coanda surface positioned near the at least one outlet, said at least one outlet is arranged to direct the primary air flow passing the Coanda surface, characterized in that the fan comprises a removable, for Coanda surface covering at least a portion of the cover.

[0022] 以上结合本发明的第一方面所描述的特征可被等同地应用于本发明的第二至第四方面,反之亦然。 [0022] A first aspect of the present invention is described in connection with the above may be equally applicable to the second to fourth aspects of the present invention, and vice versa.

附图说明 BRIEF DESCRIPTION

[0023] 将仅通过示例的方式,结合附图对本发明的优选实施例进行描述,其中: [0023] The only by way of example, in conjunction with the accompanying drawings of the preferred embodiments of the present invention will be described, wherein:

[0024] 图1是从上方看去的风扇的正透视图; [0024] FIG. 1 is a front perspective view of the fan as viewed from above;

[0025] 图2是风扇的侧向剖面图; [0025] FIG. 2 is a side sectional view of the fan;

[0026] 图3是从上方看去的用于风扇的插入件正透视图; [0026] FIG. 3 is viewed from above, a fan front perspective view of the insert;

[0027] 图4是从上方看去的用于风扇的正透视图,其中插入件位于喷嘴的孔中; [0027] FIG. 4 is a front perspective view of a fan when viewed from above, wherein the insert of the nozzle hole;

[0028] 图5是图4所示风扇的侧视图; [0028] FIG. 5 is a side view of the fan shown in Figure 4;

[0029] 图6是图4所示风扇的俯视图; [0029] FIG. 6 is a plan view of the fan shown in Figure 4;

[0030] 图7是图4所示风扇的正视图 [0030] FIG. 7 is a front view of the fan of FIG. 4

[0031] 图8是图7中沿线AA剖开的侧向剖面图; [0031] FIG. 8 is a side cross-sectional view taken along line AA of FIG. 7;

[0032] 图9是从上方看去的风扇的第二插入件的正透视图; [0032] FIG. 9 is a front perspective view of a second insert, seen from above of a fan;

[0033] 图10是从上方看去的风扇的正透视图,其中第二插入件位于喷嘴的孔中; [0033] FIG. 10 is a front perspective view of the fan as viewed from above, wherein the nozzle holes in the second insert;

[0034] 图11是从上去看去的风扇的第三插入件的正透视图;和 [0034] FIG. 11 is a front perspective view of a third up from the insert viewed fan; and

[0035] 图12是从上方看去的风扇的正透视图,其中第三插入件位于喷嘴的孔中。 [0035] FIG. 12 is a front perspective view of the fan as viewed from above, wherein the third aperture of the nozzle insert.

具体实施方式 Detailed ways

[0036] 图1为第一风扇10的外部视图。 [0036] FIG. 1 is an external view of a first fan 10. 风扇10包括体部12以及喷嘴16,体部12包括空气进口14,其中主空气流穿过空气进口进入风扇10,而喷嘴10为安装在体部12上的环状外壳的形式,且其包括用于从风扇10喷射出主空气流的嘴部18。 Fan 10 includes a body portion 12 and a nozzle 16, the body portion 12 includes an air inlet 14, wherein the main air flow through the air inlet into the fan 10 and the nozzle 10 form an annular housing mounted on the body portion 12, and which comprises the nozzle portion 18 for ejecting the primary air flow from the fan 10.

[0037] 体部12包括基本圆柱形的主体部部分20,该部分被安装在基本圆柱形的下体部部分22上。 [0037] The body portion 12 includes a substantially cylindrical body portion 20, which part is mounted on a substantially cylindrical lower body portion 22. 该主体部部分20以及下体部部分22优选具有基本相同的外部直径,以使得上体部部分20的外表面基本和下体部部分22的外表面基本平齐。 Portion 20 and a lower body portion 22 of the body portion preferably has substantially the same outer diameter, so that the outer surface of the upper body portion 20 and the outer surface of the substantially lower body portion 22 is substantially flush. 在该实施例中,体部12的高度的范围为从100至300mm,且其直径的范围为从100至200mm。 In this embodiment, the height range of the body portion 12 is from 100 to 300mm, and its diameter in the range of from 100 to 200mm.

[0038] 主体部部分20包括空气进口14,主空气流穿过该空气进口进入风扇10。 [0038] The body portion 20 includes an air inlet 14, the main air flow through the air inlet 10 into the fan. 在该实施例中,空气进口14包括形成在主体部部分20中的开孔阵列。 In this embodiment, the air inlet 14 comprises an array formed in the body portion 20 of the aperture. 可替换地,空气进口14可包括一个或多个格栅或网格,它们被安装在形成于主体部部分20内的窗口部内。 Alternatively, the air inlet 14 may include one or more grid or mesh, which are mounted in the inner portion of the window portion 20 formed in the body portion. 主体部部分20在其上端敞开(如图所示),以提供空气出口23,主空气流穿过该空气出口排出体部12。 The body portion 20 is open at its upper end (as shown), to provide an air outlet 23, the main air flow through the air outlet 12 exits the body.

[0039] 该主体部部分20可相对于下体部部分22倾斜,以调整从风扇10喷射出的主空气流的方向。 [0039] The body portion 20 with respect to the lower body portion 22 inclined so as to adjust the direction of the spray fan 10 from the main air stream. 示例性地,下体部部分22的上表面以及主体部部分20的下表面可设置有互相连接的结构特征部,这些特征部允许主体部部分20相对于下体部部分22运动,且阻止该主体部部分20被从下体部部分22升起。 Illustratively, the lower surface of the upper surface and a main body portion of the lower body portion 22 of the portion 20 may be provided with structural features interconnected, these features allow the portion 22 moving the body portion 20 with respect to the lower body portion, and prevents the main body portion portion 20 is raised from lower body portion 22. 示例性地,下体部部分22以及主体部部分20可包括互锁的L形构件。 Illustratively, the lower body portion 22 and the body portion 20 may include an L-shaped interlocking member.

[0040] 下体部部分22包括风扇10的用户界面。 [0040] The lower body portion 22 includes a user interface 10 of the fan. 该用户界面包括让用户控制风扇10的各种功能的拨盘28,多个用户可操作按钮24、26,以及连接至按钮24、26以及拨盘28的用户界面控制电路30。 The user interface includes a dial allows the user to control various functions of the user interface 28 of the fan 10, a plurality of user-operable buttons 24, 26, 24, 26 and connected to the button 28 and dial 30 of the control circuit. 下体部部分22被安装在用于和风扇10所处的表面相接合的基部32上。 Lower body portion 22 is mounted on a base surface 10 and the fan 32 is located engaged.

[0041] 图2示出了通过风扇10的体部的截面图。 [0041] FIG. 2 shows a sectional view of the body portion 10 by the fan. 下体部部分22容纳有总体以附图标记34示出的主控制电路,其被连接至用户界面控制电路30。 Lower body portion 22 containing generally at reference numeral 34 shown in the main control circuit, which is connected to the user interface control circuit 30. 响应按钮24、26以及拨盘28的操作,用户界面控制电路30被布置为将合适的信号传输至主控制电路34,以控制风扇10的各种运行。 24, 26 and in response to the button operation dial 28, the user interface control circuit 30 is arranged to transmit an appropriate signal to the main control circuit 34, to control various operation of the fan 10.

[0042] 下体部部分22也容纳有一机构,其由附图标记36总体地示出,用于使下体部部分22相对于基部32摆动。 [0042] The lower body portion 22 also houses a mechanism, which is generally by reference numeral 36 shows, for the lower body portion 22 relative to the base 32 to swing. 摆动机构35的运行被主控制电路34响应于按钮26的用户操作而控制。 Run oscillating mechanism 35 is a main control circuit 34 in response to a user operation button 26 is controlled. 下体部部分22相对于基部32的每一次摆动周期的范围优选地在60°和120°之间,且在该实施例中为约80°。 Lower body portion 22 relative to the base every wobble period preferably ranges between 60 ° and 120 °, and in the illustrated embodiment is about 32 80 °. 在该实施例中,摆动机构36被布置为实施每分钟约3至5次的摆动循环。 In this embodiment, the oscillating mechanism 36 is arranged to swing cycles per minute embodiments from about 3 to 5 times. 用于为风扇10提供电力的主电源电缆38延伸穿过形成于基部32内的孔口。 For providing power to the fan 10 of the main power cable 38 extends through an aperture formed in the base portion 32. 电缆38被连接至插座(未示出),以和主电源相连接。 Cable 38 is connected to a socket (not shown), is connected to the mains.

[0043] 主体部部分20容纳有叶轮40,以吸引主空气流经过空气进口14并进入体部12内。 [0043] The body portion 20 accommodates an impeller 40 to draw air through the main air flow inlet 14 and into the body portion 12. 优选地,叶轮40为混合气流叶轮的形式。 Preferably, the impeller 40 in the form of mixed gas stream to the impeller. 叶轮40被连接至旋转轴43,所述旋转轴从电机44向外延伸。 The impeller 40 is connected to a rotating shaft 43, the rotary shaft 44 extending outwardly from the motor. 在该实施例中,电机44为DC无刷电机,其速度可被主控制电路34响应于拨盘28的用户操作进行变动。 In this embodiment, the motor 44 is a DC brushless motor, which speed may be the main control circuit 34 in response to a user operation dial 28 is changed. 电机44的最高速度优选地在5000至1000rpm的范围内。 The maximum speed of the motor 44 is preferably in the range of 5000 to 1000rpm. 电机44被收纳在电机桶中,所述电机桶包括连接至下部部分48的上部部分46。 Motor 44 is housed in the motor bucket, said bucket comprising a motor connected to a lower portion 48 upper portion 46. 电机桶的上部部分46包括扩散器50,扩散器为具有螺旋叶片的静态盘形式。 An upper barrel portion 46 includes a motor 50, a static diffuser disk having a spiral blade in the form of a diffuser.

[0044] 电机桶位于大体为截头圆锥体的叶轮壳体52内,且被安装在该叶轮壳体上。 [0044] The motor bucket is located within the impeller housing 52 is generally frusto-conical body, and is mounted on the impeller housing. 叶轮壳体52继而被安装在多个(在此示例中为三个)角度间隔开的支撑部54上,所述支撑部位于基部12的主体部部分20内,且被连接至该主体部部分。 The impeller housing 52 in turn is mounted on a plurality (three in this example) angularly spaced apart support portions 54, the supporting portion of the body portion 20 of the base portion 12, and is connected to the body portion . 叶轮40以及叶轮壳体52被成形为使得叶轮40和叶轮壳体52的内表面紧密靠近,但不接触。 The impeller 40 and impeller housing 52 are shaped so that the impeller 40 and the inner surface of the impeller housing 52 in close proximity to, but not touching. 基本环形的入口构件56被连接至叶轮壳体52的底部,以将主空气流引入叶轮壳体52中。 A substantially annular inlet member 56 is connected to the bottom of the impeller housing 52 to the main air stream into the impeller housing 52. 电缆58从主控制电路34穿过形成于主体部部分20以及体部12的下体部部分22内,和位于叶轮壳体52和电机桶内的孔口,到达电机44。 Cable 58 from the main control circuit 34 through the lower body portion formed in the body portion 20 and a body portion 12 of the inner portion 22, the motor and the impeller housing 52 and the tub opening, a motor 44 reaches.

[0045] 优选地,体部12包括吸音泡沫材料,以降低由体部12发出的噪音。 [0045] Preferably, the body portion 12 comprises a sound absorbing foam material, to reduce noise emitted by the body portion 12. 在该实施例中,体部12的主体部部分20包括位于空气进口14之下的第一泡沫材料构件60,以及位于电机桶内的第二环状泡沫材料构件62。 In this embodiment, the body portion 12 of the body portion 20 includes an air inlet portion 14 of the first member 60 beneath the foam material, and a second annular foam member 62 located on the motor bucket.

[0046] 可挠式密封构件64被安装在叶轮壳体52上。 [0046] The flexible sealing member 64 is mounted on the impeller housing 52. 可挠式密封构件阻止空气从叶轮壳体52的外表面周围进入入口构件56。 The flexible seal member 56 prevents air from entering the inlet member around the outer surface of the impeller housing 52. 密封构件64优选地包括环状唇形密封件,该唇形密封件优选由橡胶制成。 Sealing member 64 preferably comprises an annular lip seal, the lip seal is preferably made of rubber. 密封构件64还包括导向部分,其为套管形式,以将电缆58引导至电机44。 The sealing member 64 further includes a guide portion for guiding the cable 58 to the motor 44 in the form of a sleeve.

[0047] 回到图1,喷嘴16为环状的形状,其绕中心轴线X延伸,以限定孔70。 [0047] Returning to Figure 1, the nozzle 16 is an annular shape which extends about a central axis X to define an aperture 70. 嘴部18位于喷嘴16后部附近,且被布置朝向风扇10的前方喷射主空气流,所述主空气流穿过孔70。 The mouth portion 18 is located in the rear of the nozzle 16, and is disposed toward the front of the fan jet primary air stream 10, the main air flow through the aperture 70. 嘴部18环绕孔70。 The mouth portion 18 surrounding the hole 70. 在该示例中,喷嘴16限定了沿中心轴线X延伸、大体为圆形的孔70。 In this example, the nozzle 16 defines an axis X extending along a central, generally circular aperture 70. 喷嘴16的最内侧,外表面包括科恩达表面72,其毗邻嘴部18,且嘴部18被布置为引导自风扇10喷出的空气掠过所述表面。 Innermost nozzle 16, the outer surface comprising a Coanda surface 72 adjacent the mouth portion 18 thereof, and the mouth portion 18 is arranged to direct air discharged from the fan 10 over said surface. 科恩达表面72包括扩散器部分74,其从中心轴线X向外成锥形。 Coanda surface 72 comprises a diffuser portion 74 which tapers outwardly from the central axis X. 在该示例中,扩散器部分74大体为截头圆锥形状、绕轴线X延伸的表面,且其被相对于轴线X以范围在5°至35°内的角度倾斜,所述角度在该示例中为约28°。 In this example, the diffuser portion 74 is generally frusto-conical shape, extends about the axis X of the surface, and which is positioned relative to axis X at an angle in the range of 5 ° to 35 ° of tilt, in this example the angle is about 28 °.

[0048] 喷嘴16包括环状前壳体部分76,其被连接至环状后壳体部分78,且绕所述环状后壳体部分延伸。 [0048] The annular nozzle 16 comprises a front housing portion 76, which is connected to the rear portion of the annular housing 78, and a rear housing portion extending around the annular. 喷嘴16的环状部分76、78绕中心轴线X延伸。 Annular portion 76, 78 of the nozzle 16 about the central axis X extends. 这些部分的每一部分都可由多个被连接在一起的部分构成,但在该实施例中,每一前壳体部分76和后壳体部分78都由相应的、单个模制部分构成。 Each of these portions can be constituted by a plurality of portions are connected together, but in this embodiment, the portion of each of the front housing 76 and rear housing portion 78 by a respective, single molded parts. 后壳体部分78包括基部80,其被连接至体部12的主体部部分20的开口上端,且包括用于接收来自体部12的主空气流的开口下端。 Rear housing portion 78 includes a base 80, which is connected to an upper end opening portion of the main body portion 20 of the body portion 12, and includes an opening for receiving the lower end 12 of the air flow from the main body portion.

[0049] 也参照图2,在装配中,后壳体部分78的前端82被插入位于前壳体部分76内的槽84内。 [0049] Referring also to FIG. 2, in the assembly, the front end portion 78 of the rear housing 82 is inserted into the groove 84 located within the front housing portion 76. 每一前端82和槽84大体为圆柱形。 Each distal end 82 and a generally cylindrical groove 84. 壳体部分76、78可被使用施加于槽84内的粘合剂连接在一起 Housing portion 76, 78 may be applied using an adhesive in the groove 84 are connected together

[0050] 前壳体部分76限定了喷嘴16的科恩达表面72。 [0050] The housing section 76 defines a front surface 72 of Coanda nozzle 16. 前壳体部分76和后壳体部分78一起限定了环状内部通道88,以将主空气流传递至嘴部18。 Section portion of the front housing 76 and rear housing 78 together define an annular interior passage 88, is transmitted to the main air flow to the nozzle portion 18. 内部通道88绕轴线X延伸,其被前壳体部分76的内表面90以及后壳体部分78的内表面92界定边界。 Internal passage 88 extends about the axis X, which is the inner surface of the front portion 76 of the housing 90 and the rear portion of the inner surface 78 of the housing 92 to define a boundary. 前壳体部分76的基部80被定形为将主空气流传递进入喷嘴16的内部通道88内。 The front housing portion 76 of the base 80 is shaped to the main air flow passing into the internal passage 88 of the nozzle 16.

[0051] 嘴部18被后壳体部分78的内表面以及前壳体部分76的外表面的重合或相向的部分分别限定。 [0051] The outer surface of the overlapped portion of the inner surface of the rear housing 78 and a front housing portion 76 of the mouth portion or the opposing portion 18 are defined. 嘴部18优选包括为环状槽形式的空气出口。 Mouth portion 18 preferably includes an annular groove in the form of an air outlet. 该槽优选大体为环形,且优选地具有相对不变的宽度,所述宽度在0.5至5mm的范围内。 The slot is preferably substantially annular, and preferably having a relatively constant width, the width in the range 0.5 to 5mm. 在该示例中,空气出口具有约Imm的宽度。 In this example, the air outlet has a width of approximately Imm. 间隔物可围绕嘴部18间隔开,以将前壳体部分76和后壳体部分78的重叠部分分离开,以控制嘴部18的空气出口宽度。 The spacer 18 may be spaced about the mouth portion so as to overlap portions of the front portion 76 and rear portion 78 separated from the housing to control the width of the mouth 18 of the air outlet. 这些间隔物可以与前壳体部分76或者与后壳体部分78成一体。 These spacers 76 may be part or the front housing and the rear housing portion 78 integrally. 嘴部18被成形为引导主空气流掠过前壳体部分76的外表面94。 The mouth portion 18 is shaped to direct the primary air flow passing the front housing portion 76 of outer surface 94.

[0052] 为了操作风扇10,用户按压用户界面的按钮24。 [0052] In order to operate the fan 10, the user presses the button 24 of the user interface. 用户界面控制电路30将该动作传输给主控制电路34,响应于该动作,主控制电路34促动电机44,以旋转叶轮40。 The user interface control operation of the transmission circuit 30 to the main control circuit 34, in response to this operation, the main control circuit 34 of the actuator motor 44 to rotate the impeller 40. 叶轮40的旋转导致主空气流被经由空气进口14吸入体部12。 Rotation of impeller 40 causes the main stream of air is drawn into the body portion 12 via the air inlet 14. 用户可通过操控用户界面上的拨盘28来控制电机44的速度,并由此控制空气被经由空气进口14吸入体部12内的速率。 User may control the speed of the motor 44 by manipulating the dial on the user interface 28, and thereby control the rate of air is drawn in via the air inlet 12 the body portion 14. 取决于电机44的速度,由叶轮40产生的主空气流可以在每秒10升至每秒30升之间。 Depending on the speed of the motor 44, the main air stream generated by the impeller 40 can be raised to between 30 and 10 liters per second per second. 主空气流顺序经过叶轮壳体52,以及位于主体部部分20的上开口端的空气出口23,以进入喷嘴16的内部通道88。 Outlet air flow sequentially through the primary air impeller housing 52, and the main body portion 20 of the open end portion 23, to enter the internal passage 88 of the nozzle 16. 在体部12的空气出口23处的主空气流的压力可为至少150Pa,且优选地在从250Pa至1.5kPa的范围内。 The pressure of the main air flow at the body portion 12 of the air outlet 23 may be at least 150Pa, and preferably in the range of 250Pa to 1.5kPa.

[0053] 在喷嘴16的内部通道88中,主空气流被分成两股空气流,它们以相反的方向环绕喷嘴16的孔70流动。 [0053] In the internal passage 88 of the nozzle 16, primary air stream is divided into two air streams which flow around the orifice 70 of the nozzle 16 in opposite directions. 当空气流流经内部通道88时,空气被通过嘴部18喷出。 When air flow through the internal passage 88, the air is discharged through the mouth portion 18. 从嘴部18喷出的主空气流被引导掠过喷嘴16的科恩达表面72,这导致通过带入来自外部的空气、特别是来自嘴部18周围以及来自喷嘴16的后部周围的区域的空气而产生的辅助空气流。 From the main air flow discharge nozzle portion 18 is guided passing the nozzle 16 of the Coanda surface 72, which leads from the outside into the through air, particularly from around the mouth portion 18 and a region surrounding the rear portion of the nozzle 16 from secondary air flow generated by air. 所述辅助空气流流经喷嘴16的孔70,在该孔处辅助空气流和主空气流结合以产生从喷嘴16朝前喷出的混合或总空气流、或空气流。 The secondary air flow 16 flowing through the nozzle hole 70, the auxiliary air flow in the bore and the primary air flow to produce a combined ejected from the mixing nozzle 16 forward or total air flow, or air flow.

[0054] 同时参照图3至8,风扇10包括罩100的第一实例,该罩可移除地位于喷嘴的科恩达表面72上方,以改变混合空气流的至少一个参数。 [0054] Referring also to FIGS. 3-8, the fan 10 comprises a housing 100 of a first example, the cover is removably positioned over the Coanda surface of the nozzle 72 to change at least one parameter of the mixed air stream. 罩100为插入件的形式,其可被插入喷嘴16的孔70内,以覆盖喷嘴16的科恩达表面72的至少一部分。 The cover 100 is in the form of an insert which can be inserted into the bore 70 of the nozzle 16, a Coanda surface of the nozzle 16 so as to cover at least a portion 72 of the. 由于科恩达表面72的扩散器部分74以及由此孔70朝向孔70的开口前端96向外成锥形,罩100通过孔70的开口前端96被插入喷嘴16的孔70。 Since the Coanda surface 72 of the diffuser portion 74 and thereby hole 70 toward the open front end 96 of the bore 70 tapers outwardly, the cover 100 is inserted into the hole 70 of the nozzle 16 through the open front end 96 of the hole 70. 罩100包括外部环状边缘102,外部环状边缘可位于孔70的前端96上方,且当罩100位于喷嘴16上时,其围绕喷嘴16的前壳体部分76的外表面。 When the cover 100 includes an outer annular rim 102, the outer annular edge 96 may be located above the front end of hole 70, and when the cover 100 is located on the nozzle 16, a nozzle 16 which surrounds the front housing portion 76 of the outer surface. 在该示例中,罩100通过喷嘴16和罩100之间的干涉配合被保持在喷嘴16上,但喷嘴16可设有用于可移除地将罩100固定至喷嘴16的装置。 In this example, the cover 16 is held on the nozzle 100 by an interference fit between the nozzle 16 and the cover 100, the nozzle 16 may be provided for removably the cover unit 100 is fixed to the nozzle 16. 例如,可动的卡扣可位于喷嘴16的前壳体部分76的外表面上,以将罩100保持在喷嘴16上。 For example, the snap may be movable on the outer surface of the front housing portion 76 of the nozzle 16 to the cover 100 held on the nozzle 16. 作为另一个不例,罩100可被磁性地吸至喷嘴16。 As another embodiment not, the cover 100 may be magnetically sucked to the nozzle 16. 作为又一示例,罩100可被摩擦地联接至喷嘴16。 As yet another example, the cover 100 may be frictionally coupled to the nozzle 16.

[0055] 为了移除罩100,用户可简单地从喷嘴16处拉动罩100。 [0055] In order to remove the cover 100, the user may simply pull the cover 100 from the nozzle 16.

[0056] 罩100大体为环形。 [0056] The cover 100 is generally annular. 罩100包括大体圆形的前端104、大体圆形的后端106、环形外表面108以及环形内表面110,其每一个都在罩100的前端104和后端106之间延伸。 Cover 100 includes a generally circular distal end 104, a generally circular rear end 106, an outer annular surface 108 and an inner annular surface 110, each of which is between the front end 104 of the cover 100 and a rear end 106 extends. 罩100的外表面108和内表面110每一个都绕Y轴线延伸,参见图2,在罩100被插入喷嘴16的孔70中时,所述Y轴线和喷嘴16的X轴线大致共线。 The outer surface of the cover 108 and 100 each have an inner surface 110 extending around the Y-axis, see FIG. 2, when the cover 100 is inserted into the hole 70 of the nozzle 16, the Y-axis and the X axis of the nozzle 16 are substantially collinear. 罩100的外表面108和科恩达表面的扩散器部分74具有大体相同的尺寸和形状。 The outer surface of the cover 100 of the Coanda surface 108 and the diffuser portion 74 having substantially the same size and shape. 具体地说,外表面108相对于Y轴线的倾斜角和科恩达表面72的扩散器部分74相对于X轴线的倾斜角大致相同。 Specifically, an outer surface 108 with respect to the Y-axis and the inclination angle of the Coanda surface 72 of the diffuser portion 74 is substantially the same angle of inclination of the X axis. 因此,且如图8所不,当罩100被插入喷嘴16的孔70中时,科恩达表面72的扩散器部分74完全被罩100覆盖,但喷嘴16的嘴部18保持完全暴露。 Thus, in FIG. 8 and not, when the cover 100 is inserted into the hole 70 of the nozzle 16, the diffuser portion 74 is housed completely Coanda surface 72 of the cover 100, but the mouth portion 18 of the nozzle 16 remains completely exposed.

[0057] 因此,当罩100被插入孔70中时,从喷嘴16喷出的主空气流被引导掠过科恩达表面72的后部部分73,如图8所示,且掠过罩100的内表面110。 [0057] Thus, when the cap 100 is inserted into the hole 70 when the discharge nozzle 16 from the primary air flow is directed swept rear portion 73 of the Coanda surface 72, shown in Figure 8, and the cover 100 passing the inner surface 110. 如上所述,罩100的内表面110为环形形状,且因此限定了在罩100的前端104和后端106之间穿过罩100的孔112,来自风扇10外部的辅助空气流被从嘴部18喷出的主空气流吸引穿过该孔。 As described above, the inner surface of the cover 110 of an annular shape, and thus defining between the distal end 104 of the cover 100 and the rear cover 106 through 100 of the hole 112, the auxiliary external air flow from the fan 10 from the mouth portion is the main air flow 18 discharged through the suction holes.

[0058] 罩100的内表面110因此提供了用于将由风扇10产生的混合空气流沿需要的方向引导的扩散器表面。 [0058] 100 of the inner surface of the cover 110 thus provides a mixed air flow in the direction required to guide the diffuser surface 10 generated by the fan used. 内表面110相对于Y轴线的倾斜角不同于科恩达表面72的扩散器部分74相对于X轴线的倾斜角,且因此将罩100插入喷嘴16的孔70的结果是混合空气流的多个参数被改变。 An inner surface 110 with respect to the Y-axis differs from the inclination angle of the Coanda surface 72 of the diffuser portion 74 with respect to the angle of inclination of the axis X, and thus the results of the cover 100 is inserted into the hole 70 of the nozzle 16 is a plurality of parameters of the mixed air stream Was changed. 在此示例中,内表面110相对于Y轴线的倾斜角小于科恩达表面72的扩散器部分74相对于X轴线的倾斜角,使得罩100的径向厚度朝向罩100的后端106减小。 In this example, the inner surface 110 with respect to the Y-axis is smaller than the inclination angle of the Coanda surface 72 of the diffuser portion 74 with respect to the angle of inclination of the axis X, such that the radial thickness of the cover 100 toward the rear end 100 of the cover 106 is reduced. 在该示例中,内表面110相对于Y轴线的倾斜角为约10°,且因此将罩100插入喷嘴16的孔70中用于限制由风扇10产生的混合空气流的分布。 In this example, the inner surface 110 with respect to the Y-axis tilt angle is approximately 10 °, and thus the cover 100 is inserted into the hole 70 of the nozzle 16 for limiting the distribution of the mixed air flow generated by the fan 10. 这可提供朝向位于风扇10之前的用户汇聚的混合空气流。 This may provide an air flow towards the user prior to the mixing fan 10 converge. 由罩100提供的较浅的扩散器部分还用于增加混合空气流的速度,并减少混合空气流的流量。 Shallow diffuser provided by the cover portion 100 is further configured to increase the speed of the mixed air flow and reduce the flow of the mixed air stream.

[0059] 图9和10示出了罩120的第二示例,其可以可移除地定位于喷嘴的科恩达表面72上方,以改变混合空气流的至少一个参数。 [0059] Figures 9 and 10 illustrate a second example of the cover 120, which may be removably positioned over the Coanda surface 72 of the nozzle to vary at least one parameter of the mixed air stream. 和罩100类似,罩120也是插入件的形式,其可被插入喷嘴16的孔70中,以覆盖喷嘴16的科恩达表面72的至少一部分。 And the cover 100 is similar to the form of the cover member 120 is inserted, which can be inserted into the hole 70 of the nozzle 16, a Coanda surface of the nozzle 16 so as to cover at least a portion 72 of the. 罩120也包括外部环状边缘122,其可位于孔70的前端96的上方,且当罩100位于喷嘴16上时,其围绕喷嘴16的前壳体部分76的外表面。 When the cover 120 also includes an annular outer edge 122, which may be located above the front end 96 of the hole 70, and when the cover 100 is located on the nozzle 16, a nozzle 16 which surrounds the front housing portion 76 of the outer surface. 但是,所述罩120不同于罩100之处在于罩120的前端124、后端126、外表面128以及内表面130不是连续的。 However, at 100 the cover 120 differs from cover 124 in that a front end, a rear end 126 of the cover 120, the outer surface 128 and inner surface 130 is not continuous. 替代地,罩120包括多个被环状边缘122连接的部分132,这些部分132位于罩120的Y轴线周围且围绕罩120的Y轴线大体规则地间隔开。 Alternatively, the cover 120 includes a plurality of annular edge 122 is connected to the portion 132, these portions 132 is located around the Y axis about the shield cover 120 and Y axis 120 is substantially regular spaced. 在该示例中,罩120包括六个绕罩120规则地间隔开的部分132。 In this example, the cover 120 includes a cover 120 about six regularly spaced portions 132. 每一个部分132都大体为楔形。 Each portion 132 are substantially wedge-shaped. 每一外表面128都以和科恩达表面72的扩散器部分74与X轴线之间倾斜相同的角度朝向Y轴线成锥形,以使得当罩120位于喷嘴16上时,罩120的部分132部分地覆盖科恩达表面72的扩散器部分74。 To each outer surface 128 and are between the Coanda surface 72 of the diffuser portion 74 is inclined with the same angle X towards the axis Y-axis is tapered, so that when the nozzle 16, the cover portion 132 when the portion 120 of the cover 120 Coanda surface covering portion 74 of the diffuser 72. 和罩100的内表面110类似,内表面130相对于Y轴线的倾斜角小于科恩达表面72的扩散器部分74相对于X轴线的倾斜角,因此部分132的径向厚度朝向部分132的后端126减小。 And the inner surface of the cover 100 is similar to 110, 130 relative to the inner surface of the Y-axis is smaller than the inclination angle of the Coanda surface 72 of the diffuser portion 74 is inclined with respect to the angle X axis, so the radial thickness of the portion 132 toward the rear end portion 132 126 is reduced. 在该示例中,内表面130相对于Y轴线的倾斜角也为约10°。 In this example, the inner surface 130 with respect to the Y-axis is also the inclination angle is about 10 °.

[0060] 因此,如图9所示,通过孔70的开口前端96将罩120插入喷嘴16中时,喷嘴16的孔134被科恩达表面72的扩散器部分74的未覆盖部分以及罩120的内表面130两者限定。 [0060] Thus, as shown in FIG. 9, the front end hole 70 through the opening 96 in the cover, the orifice 16 of the nozzle 134 is uncovered portion 120 is inserted the nozzle 16 of the Coanda surface 72 of the diffuser portion 74 and a cover 120 both the inner surface 130 is defined. 喷嘴16的孔134因此具有台阶状轮廓,其中孔134相对于X轴线的倾斜角在多个最大值(在此示例中每一个都为约28。)和多个最小值(在此示例中每一个都为约10° )之间变动。 Hole 134 of the nozzle 16 thus has a stepped profile, wherein the inclination angle of the hole 134 with respect to the X axis in each of a plurality of, in this example a maximum value (in this example, each of about 28) and a plurality of minimum values ​​( It is a variation of between about 10 °). 喷嘴16的孔134的这种轮廓变化使得混合空气流具有非圆形或非截头圆锥形分布,所述分布由于罩120的不连续性而仅朝向用户部分地汇聚。 This change in profile 16 of the nozzle hole 134 so that the mixed air stream has a non-circular or frustoconical profile, the profile discontinuity since the cover 120 is only partly converge towards the user.

[0061] 在该第二示例中,将罩120插入喷嘴16导致喷嘴16的孔134具有台阶状轮廓。 [0061] In this second example, the cover 120 is inserted into aperture 134 leading to the nozzle 16 of the nozzle 16 has a stepped profile. 图11和12示出了罩140的第三示例。 11 and 12 show a third example of the cover 140. 罩140和罩100类似。 Similarly cover 140 and the cover 100. 罩140也为插入件的形式,其可被插入喷嘴16的孔70,以覆盖喷嘴16的科恩达表面72的至少一部分。 Cover 140 is also in the form of an insert which can be inserted into the hole 70 of the nozzle 16, a Coanda surface of the nozzle 16 so as to cover at least a portion 72 of the. 罩140也包括外部环状边缘142,该环状边缘位于孔70的前端86上方,且在罩100位于喷嘴16上时,该环状边缘围绕喷嘴16的前部壳体部分76的外表面。 142 when the cover 140 also includes, above the distal edge 86 of the annular outer annular edge of the hole 70, and the cover 100 positioned on the nozzle 16, around the front edge portion of the annular housing 16 of the outer surface of the nozzle portion 76. 罩140也具有连续前端144、圆形后端146、环状外表面148、以及限定孔152的内表面150。 Cover 140 also has a front end 144 a continuous, circular rear end 146, an outer annular surface 148, and defines an inner surface 150 of bore 152. 罩140的外表面148和罩100的外表面108相同。 Same outer surfaces 148 of the cover 140 and the cover 100, 108. 但是,罩140的内表面150不同于罩100的内表面110,这是由于内表面150相对于罩140的Y轴线的倾斜角围绕Y轴线变化。 However, the inner surface 150 of the cover 140 differs from cover 110 inner surface 100, an inner surface 150 which is due to the angle of inclination with respect to the Y-axis of the cover 140 about the Y-axis changes. 该倾斜角在围绕Y轴线规则地间隔开的多个最大值和多个最小值之间变动。 The inclination angle change between a maximum value about the Y axis a plurality of regularly spaced apart and a plurality of minimum values. 内表面150被定形为使得围绕Y轴线的倾斜角在最大值和最小值之间逐渐地变化。 Inner surface 150 is shaped such that the angle of inclination about the Y-axis gradually changes between the maximum and minimum values.

[0062] 因此,当罩140被插入喷嘴16的孔70中时,罩140的内表面150也提供用于引导由风扇10产生的混合空气流的扩散器表面,以获得非圆状或非截头圆锥体形的分布。 When [0062] Thus, when the cap 140 is inserted into the hole 70 of the nozzle 16, the inner surface of the cover 140 of the diffuser 150 also provides a surface for guiding the mixed air flow generated by the fan 10 to obtain a non-circular cross-sectional or distribution of conical shape. 也和罩120类似,罩140可相对于喷嘴16旋转,以改变由风扇产生的混合空气流的取向。 And the like may also cover 120, the cover 140 with respect to the nozzle 16 is rotated to change the orientation of the mixed air flow generated by the fan.

Claims (23)

1.一种风扇,其包括喷嘴以及用于产生流经该喷嘴的主空气流的装置,所述喷嘴包括用于喷出主空气流的至少一个出口,所述喷嘴限定了孔,通过所述孔来自风扇外部的辅助空气流被从所述至少一个出口喷出的主空气流吸入,且和主空气流结合以产生混合空气流; 其特征在于所述风扇包括至少部分地可移除地定位在所述喷嘴的孔中的插入件,以调节混合空气流的至少一个参数。 1. A fan, comprising a main nozzle and means for generating an air flow flowing through the nozzle, the nozzle for ejecting the primary air stream comprising at least one outlet, said nozzle defining an aperture through which secondary air flow from the external orifice of the fan being discharged from said at least one outlet of the main air flow intake, and the primary air stream and combined to produce a mixed air stream; wherein the fan comprises at least partially removably positioned the insert in the bore of the nozzle in the at least one parameter for adjusting the mixed air stream.
2.如权利要求1所述的风扇,其中所述插入件可在所述喷嘴的孔内转动。 2. The fan according to claim 1, wherein the insert is rotatable in the nozzle bore.
3.如权利要求1所述的风扇,其中所述插入件为环形形状。 The fan as claimed in claim 1, wherein the insert is a ring shape.
4.如权利要求1所述的风扇,其中所述插入件包括可定位于所述喷嘴的前端上方的边缘。 The fan as claimed in claim 1, wherein said insert member comprises an edge may be positioned above the distal end of the nozzle.
5.如权利要求1所述的风扇,其中所述插入件朝向其后端渐缩。 The fan according to claim 1, wherein said insert member tapers towards its rear end.
6.如权利要求1至5中任意一项所述的风扇,其中所述插入件包括限定了孔的表面,当所述插入件位于喷嘴中时,来自风扇外部的空气被从所述至少一个出口中喷出的主空气流吸入穿过所述孔。 6. The fan according to any one of claims 1 to 5, wherein said insert member comprises a hole defining surface when said insert member is located in nozzle, fan air from the outside is at least one from the discharge outlet of the main air flow through the suction holes.
7.如权利要求6所述的风扇,其中当插入件位于喷嘴中时,插入件的孔和喷嘴的孔大致共轴线。 7. The fan according to claim 6, wherein when the insert is located in the nozzle, the bore hole and the nozzle insert is substantially coaxial.
8.如权利要求6所述的风扇,其中,当插入件位于喷嘴中时,喷嘴的所述至少一个出口被布置为将主空气流引导通过所述插入件的孔。 8. The fan according to claim 6, wherein, when the nozzle member is inserted, the at least one nozzle is arranged to direct the flow of primary air through the insert hole outlet.
9.如权利要求6所述的风扇,其中所述表面绕一轴线延伸。 9. The fan according to claim 6, wherein said surface extending about an axis.
10.如权利要求9所述的风扇,其中表面的至少一部分被朝向所述轴线倾斜。 10. The fan according to claim 9, wherein at least a portion of the inclined surface toward the axis.
11.如权利要求10所述的风扇,其中表面的所述至少一部分相对于所述轴线倾斜的角度围绕所述轴线变动。 11. The fan according to claim 10, wherein said axis of said variation with at least a portion of the surface about said axis to an oblique angle.
12.如权利要求10所述的风扇,其中表面的所述至少一部分相对于所述轴线倾斜的角度围绕所述轴线连续地变动。 12. The fan according to claim 10, wherein said axis to continuously change at least a portion of said surface about said axis to an oblique angle.
13.如权利要求9所述的风扇,其中所述表面绕所述轴线是连续的。 13. The fan according to claim 9, wherein said surface around said axis is continuous.
14.如权利要求1至4中任意一项所述的风扇,其中所述插入件包括多个互相连接的部分,所述互相连接的部分可同时定位于所述喷嘴的孔内。 1 to 14. The fan according to any one of claim 4, wherein said insert member comprises a plurality of interconnecting portions, each of the connection portions can be simultaneously positioned in the bore of the nozzle.
15.如权利要求14所述的风扇,其中所述部分具有大致相同的形状。 15. The fan according to claim 14, wherein said portion having substantially the same shape.
16.如权利要求14所述的风扇,其中所述部分为大致楔形。 16. The fan according to claim 14, wherein the portion is substantially wedge shaped.
17.如权利要求14所述的风扇,其中所述部分围绕一轴线布置。 17. The fan according to claim 14, wherein said portion is disposed about an axis.
18.如权利要求17所述的风扇,其中所述部分围绕所述轴线规则地间隔开。 18. The fan according to claim 17, wherein said portion spaced apart regularly around the axis.
19.如权利要求17所述的风扇,其中所述部分每一个都包括相对于所述轴线倾斜的表面。 19. The fan according to claim 17, wherein said portions each comprise an axis inclined with respect to the surface.
20.如权利要求19所述的风扇,其中所述喷嘴的所述至少一个出口被布置为将主空气流引导掠过插入件的所述部分的表面。 20. The fan according to claim 19, wherein said nozzle of said at least one surface portion is arranged to guide the primary air flow passing the insert outlet.
21.如权利要求1至5中任意一项所述的风扇,其中混合空气流的所述至少一个参数包括混合空气流的分布、取向、方向、流量以及速度中的至少一个。 21. The fan 1 to 5 according to any one of claims, wherein said mixed air stream comprises at least one parameter distribution, orientation, direction, and speed of the mixed air flow stream at least one.
22.如权利要求1至5中任意一项所述的风扇,其中所述至少一个出口围绕所述孔延伸。 22. The fan 1 to 5 according to any one of claims, wherein said at least one outlet extending around the aperture.
23.如权利要求1至5中任意一项所述的风扇,其中所述至少一个出口为槽的形式。 Fan 1 to 5 according to any one of claim 23, wherein said at least one outlet in the form of grooves.
CN201110319580.7A 2010-10-20 2011-10-20 Fan assembly CN102454645B (en)

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GB201017706A GB2484695A (en) 2010-10-20 2010-10-20 A fan assembly comprising a nozzle and inserts for directing air flow
GB1017706.1 2010-10-20
GB1017707.9 2010-10-20
GB201017707A GB2484696A (en) 2010-10-20 2010-10-20 A fan assembly comprising a nozzle with a Coanda surface and masks for directing air flow

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