CN102200147B - fan - Google Patents

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Publication number
CN102200147B
CN102200147B CN 201110070504 CN201110070504A CN102200147B CN 102200147 B CN102200147 B CN 102200147B CN 201110070504 CN201110070504 CN 201110070504 CN 201110070504 A CN201110070504 A CN 201110070504A CN 102200147 B CN102200147 B CN 102200147B
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CN
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Grant
Patent type
Prior art keywords
air
housing
filter
fan
filter unit
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Application number
CN 201110070504
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Chinese (zh)
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CN102200147A (en )
Inventor
尼古拉斯.G.费顿
凯文.J.西蒙斯
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戴森技术有限公司
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Classifications

    • 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
    • F04D25/084Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626Mounting or removal of fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/64Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646Mounting or removal of fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

Abstract

一种可移动风扇包括:有空气入口的壳体;空气出口,包括用于接收空气流的内部通道,和用于排放空气流的嘴部,该内部通道在开口周围延伸,其中空气被从嘴部射出的空气流抽吸通过该内部通道;叶轮和马达,该马达用于旋转叶轮以在空气入口和空气出口之间产生空气流,其在该叶轮下游位置具有至少150Pa的静压。 A mobile fan comprising: a housing air inlet; an air outlet, comprising an internal channel for receiving the air flow, a mouth and discharge air flow, the interior passage extends about the opening, wherein the air from the mouth is portion emitted air flow drawn through the internal passage; impeller and a motor for rotating the impeller to create an air flow between the air inlet and the air outlet, having at least a static pressure of 150Pa at a position downstream of the impeller. 过滤器单元可拆卸地连接到壳体。 The filter unit is detachably connected to the housing. 过滤器单元的过滤器位于空气入口的上游位置,以在空气流进入壳体之前去除空气流中的悬浮颗粒。 Filter filter unit located at a position upstream of the air inlet, to remove suspended particles in the air stream before the air stream enters the housing.

Description

风扇 fan

技术领域 FIELD

[0001] 本发明涉及一种可移动风扇。 [0001] The present invention relates to a movable fan. 特别是,但不排他,本发明涉及一种地面或桌上风扇,如桌扇,塔式风扇或落地风扇。 In particular, but not exclusively, the present invention relates to a floor or table fans, such as table fans, fan tower fan or floor.

背景技术 Background technique

[0002] 传统的家用风扇通常包括安装为绕轴旋转的一套叶片或翼片,及旋转该套叶片以产生空气流的驱动装置。 [0002] The conventional domestic fan typically includes a set of blades mounted about the axis or rotation of the flap, and the set of blades to the rotary drive means of the air flow. 空气流的移动和循环创造“风冷”或微风,因此,由于热量通过对流和蒸发消散,用户体验了降温效果。 And movement of the circulating air flow to create "air" or breeze, and therefore, since the heat is dissipated through convection and evaporation, the user experiences cooling effect. 叶片被形成为定位在笼子里叶片,该笼子允许空气流通过罩,同时防止使用风扇时用户接触到旋转叶片。 The blades are formed to be positioned in the vane cage, the cage allow air to flow through the hood while preventing contact with the user when using the fan rotating blade.

[0003] 在医院里,使用风扇给病人保持凉爽是非常普遍的,无论是在普通病房和隔离病房。 [0003] In the hospital, using a fan to keep cool is very common to patients, both in general wards and isolation rooms. 例如,根据病人的医疗条件,可能用风扇降低病人的体温更可取,而不是依靠药物。 For example, according to the medical condition of the patient, it may reduce the fan patient's body temperature is more preferable, rather than relying on drugs. 当风扇被分配到一个病人时,普遍视风扇为医疗设备,因此,像其他医疗设备一样,将需要由护士或其他医院的员工经常清洗。 When the fan is assigned to a patient, widely regarded as the fan medical equipment, and therefore, like other medical devices, as will require frequent cleaning by a nurse or other hospital staff. 有叶片的风扇的清洗对于员工来说是很耗时的,因为在清洗风扇前,罩住风扇的叶片的笼子需要被拆卸。 There are fan blades for cleaning staff is very time-consuming, because before cleaning the fan blades cage covering the fan needs to be removed. 这种拆卸通常需要用到螺丝刀,这个是不能由护士在医院病房中携带的。 This removal is usually need to use a screwdriver, this can not be carried by a nurse in a hospital ward. 通常情况下,对于医院来说聘请专业清洁公司界外清洁风扇更方便,虽然这可能会非常昂贵。 Typically, for hospitals outside hire a professional cleaning company to clean fan community is more convenient, although this can be very expensive.

[0004] W02009/030879描述了一种风扇组件,该风扇组件不使用带笼的叶片从风扇组件发射空气。 [0004] W02009 / 030879 describes a fan assembly, the fan assembly without the use of cages with air emitted from the fan blade assembly. 反而,风扇组件包括基座,该基座容纳马达驱动的叶轮以将主空气流抽吸进入基座,和连接到基座的环形喷嘴,该环形喷嘴包括环形槽,主空气流通过该槽自风扇排放出。 Instead, the fan assembly comprising a base, the base housing the motor driven impeller to the main flow of air drawn into the base, and the base connected to the annular nozzle, the annular nozzle comprises an annular groove, the main air flow through the slot from fan emissions. 喷嘴限定了中心开口,风扇组件所处局部环境中的空气被通过该开口排放出的主空气流抽吸通过该中心开口,加大了空气流。 A nozzle defining a central opening, a fan assembly in which air in the local environment is the opening through the main air stream discharged through the center suction opening, to increase air flow.

[0005] 清洁的这种“无叶片”风扇类型的外表面需要的时间比清理有笼子包围叶片的风扇需要的短很多,因为不需要拆除风扇的任何部分以接近的风扇的任何暴露部分。 [0005] This time of cleaning the outer surface of "no leaf" type fan than necessary cleaning in a cage surrounding the blades of the fan needs to be much shorter, since the fan without removing any portion of any exposed portion near the fan. 例如,风扇的外表面可能用布擦干净。 For example, the outer surface of the fan may be wiped with a cloth. 尽管这种清洁水平可能对无叶片风扇的清洗足够了,其中该风扇在普通医院被分配给病人,当无叶片风扇被分配给隔离病房或传染控制病房的病人时,仍有需要保持该基座的内部元件清洁,以避免无叶片风扇被分配给其他病人时交叉污染。 While this level may be sufficient to clean the cleaning bladeless fan, wherein the fan is assigned to the general hospital patients, when bladeless fan is assigned to the isolation ward or infection control ward patient, there remains a need to maintain the base cleaning the internal components, to avoid the bladeless fan is assigned to other patients when cross-contamination.

发明内容 SUMMARY

[0006] 本发明提供了一种可移动风扇包括:有空气入口的壳体;空气出口,包括用于接收空气流的内部通道和用于排放空气流的嘴部,该内部通道在开口周围延伸,其中空气被从嘴部射出的空气流抽吸通过该内部通道;叶轮和马达,该马达用于旋转叶轮以在空气入口和空气出口之间产生空气流,其在该叶轮下游位置具有至少150Pa的静压;以及过滤器单元,可拆卸地连接到壳体,过滤器单元包括位于空气入口的上游的过滤器。 [0006] The present invention provides a movable fan comprising: a housing air inlet; an air outlet, comprising an internal passage for receiving the air stream and the exhaust air flow to the mouth portion of the inner passage extending around the opening wherein air is emitted from the mouth portion of the air flow drawn through the internal passage; impeller and a motor for rotating the impeller to create an air flow between the air inlet and the air outlet, which has at least 150Pa at a position downstream of the impeller static pressure; and a filter unit removably connected to the housing, the filter unit comprises an air inlet located upstream of the filter.

[0007] 该过滤器单元优选为一次性过滤器单元的形式,其是可替换的,例如,当风扇被分配给一个不同的病人时,当风扇与病人一起从隔离病房移到普通病房时,或当过滤器已达到规定的使用期限终点时。 [0007] The filter unit is preferably in the form of a disposable filter unit, which is replaceable, e.g., when the fan is assigned to a different patient, and the patient when the fan is moved from the isolation ward with the general wards, the or when the filter has reached the end of the period prescribed use. 这可以显著减少使用风扇而带来的相关的成本,因为能显著降低风扇可能需要搬到场外进行清洁的频率。 This can significantly reduce the costs associated with the use of fans brought, because it can significantly reduce the fan may need to be moved off-site cleaning frequency. 该风扇被布置为产生空气流,该空气流有至少150Pa的静压,更优选在从250至1500Pa的范围内,使得当过滤器单元被连接到壳体时,空气流不被堵塞。 The fan is arranged to generate an air flow, the air flow static pressure of at least 150Pa, more preferably in the range of 250 to 1500Pa, such that when the filter unit is connected to the housing, the air flow is not blocked.

[0008] 该过滤器单元可位于壳体上方或围绕壳体,使得过滤器位于空气入口的上游位置,以在空气流进入壳体之前去除叶轮产生空气流中的悬浮颗粒。 [0008] The filter unit may be positioned above the housing or around the housing, so that the position of the air filter is located upstream of the inlet to remove air flow enters the impeller housing prior to produce particles suspended in the air stream. 过滤器单元优选可手动操作地连接到壳体,以允许用户把过滤器单元连接到风扇,以及然后从风扇拆下该过滤器单元,无须使用工具。 The filter unit is preferably manually operable connected to the housing to allow a user to connect to the fan filter unit, and then remove from the fan filter unit without the use of tools.

[0009] 过滤器优选包括高效能微粒捕集器(HEPA)过滤器。 [0009] Preferably the filter comprises a high efficiency particulate trap (HEPA) filters. 该过滤器也可包括泡沫,碳,纸张,纤维过滤器中的一个或多个。 The filter may also comprise a foam, a carbon paper, a fiber filter or a plurality. 该过滤器优选有从0.5到1.5平方米范围内的表面区域,,该表面区域暴露到由风扇产生的空气流。 The filter surface area is preferably from 0.5 to 1.5 m2 surface area range ,, which is exposed to the air stream generated by the fan. 为了尽量减少过滤器的体积,过滤器优选带褶皱以形成过滤器,其中该过滤器大致为环形以包围壳体的空气入口。 To minimize the volume of the filter, the filter is preferably pleated to form a filter, wherein the filter is generally annular housing surrounding the air inlet. 在这种情况下,过滤器单元可包括两个环形盘,过滤器位于该两个环形盘之间。 In this case, the filter unit may comprise two annular discs, the filter is located between two annular discs. 当使用过滤器单元时,这些盘可以很容易擦干净。 When using the filter unit, these disks can be easily wiped clean. 每个盘可包括朝向另一个盘延伸的凸起边缘,用于保持过滤器在盘之间。 Each tray may include a further disc protrusion extending toward the edge, between the holder for the filter disc. 在构造过滤器单元期间,该过滤器可以很容易地粘附到盘。 During configuration of the filter unit, the filter can be easily adhered to the disc. 该些盘可以一起被视为形成过滤器单元的至少一部分,该过滤器在构造过滤器单元期间粘附于盘。 These may be considered the disk is formed along at least a portion of the filter unit, the filter disc is adhered to during construction of the filter unit.

[0010] 该过滤器单元优选包括至少一个密封件,用于接合风扇外表面。 [0010] The filter unit preferably comprises at least one sealing member, for engaging the outer surface of the fan. 这可以使过滤器单元与风扇形成一个或更多个气密封,以确保由风扇产生的空气流通过过滤器,而不是过滤器的周围。 This allows the fan filter unit is formed with one or more gas seal, to ensure that the ambient air stream generated by the fan through the filter, instead the filter. 优选地,过滤器单元可连接到壳体使得过滤器定位在风扇的空气入口上。 Preferably, the filter unit may be connected to the housing such that the air filter is positioned in the inlet of the fan. 在优选的实施例中,该过滤器单元为套筒的形式,该套筒可绕风扇的基座的侧壁定位。 In a preferred embodiment, the filter unit is in the form of a sleeve, the sleeve may be positioned around the sidewall of the fan base. 形成套筒形式的过滤器单元可以根据要求很容易地把该附件推或拉到风扇上。 Form a sleeve in the form of the filter unit may easily push or pull the attachment to the fan according to the requirements. 该过滤器单元可包括接合风扇的基座的第一密封件,及接合风扇的空气出口的第二密封件,使得空气流移动穿过密封件之间的过滤器单元且穿过过滤器。 The filter unit may comprise a first sealing member engages the base of the fan, and a second sealing member engaging an air outlet of the fan so that the air flow moves through the seal between the filter and through the filter unit. 壳体可以是基座的形式,其可以无需支撑物地立在地面,书桌,桌子或其他表面上。 The housing may be in the form of a base, which may be to stand without support on the ground, desk, table or other surface.

[0011] 该过滤器单元可包括外罩,该外罩包括多个孔,空气通过孔进入过滤器单元中。 [0011] The filter unit may include a housing that includes a plurality of apertures through which air enters the filter unit holes. 这种外罩可以提供过滤器单元的初级、相对进程过滤器,以防止空气中传播的物体接触到过滤器,诸如昆虫或大颗粒的灰尘,也可以防止用户接触到过滤器,特别是在过滤器单元连接到风扇期间,从而避免损坏过滤器。 This may provide a primary housing, opposite the filter process filter unit, in order to prevent objects from contacting the filter airborne dust such as insects or large particles, the user can be prevented from contacting the filter, especially the filter while the fan unit is connected to, so as to avoid damage to the filter. 该外罩优选是透明的,使用户可以看到已经由过滤器捕获的灰尘或碎片的数量。 The cover is preferably transparent so that the user can see the number that has been captured by the filter dust or debris.

[0012] 壳体可包括底部表面和侧壁,其中空气入口位于壳体侧壁中。 [0012] The housing may comprise a bottom surface and a sidewall, wherein the air inlet in the housing side wall. 该空气入口至少部分地在外壳周围延伸,且可包括孔的阵列。 The air inlet extends partially around at least a housing, and may comprise an array of apertures. 该壳体在形状上可大体是圆柱形的。 The housing is in shape may be generally cylindrical. 马达和叶轮优选定位在壳体内。 The motor and impeller is preferably positioned within the housing. 扩散器优选定位在叶轮的下游位置。 The diffuser is preferably positioned downstream of the position of the impeller.

[0013] 空气出口可以可拆卸地连接到过滤器单元。 [0013] The air outlet may be detachably connected to the filter unit. 当过滤器单元被连接到风扇时,过滤器单元的一部分可能被空气出口的一部分围绕。 When the filter unit is connected to the fan, a portion of the filter unit may be part of the air around the outlet. 例如,空气出口可包括基部,当空气出口被连接到过滤器单元时,该基部位于过滤器单元的一部分的上方。 For example, an air outlet may include a base, when the air outlet is connected to the filter unit, located above the base portion of the filter unit.

[0014] 壳体可具有第一连接器,空气出口可具有第二连接器。 [0014] The housing may have a first connector, a second air outlet may have a connector. 过滤器单元可包括第三连接器以及第四连接器,第三连接器和第二连接器大致相同,用于与第一连接器合作将过滤器单元可移除地连接到壳体,第四连接器与第一次连接器大致相同,用于与第二连接器合作将空气出口可移除地连接到过滤器单元。 The filter unit may include a third connector and a fourth connector, substantially the same as the third connector and the second connector, for cooperation with the first connector means removably connected to the filter housing, the fourth the first connector and the connector is substantially the same, for cooperation with the second air outlet connector removably connected to the filter unit. 这可以允许空气出口直接地连接到外壳,或用于过滤器单元连接在壳体和空气出口之间。 This may allow an air outlet directly connected to the housing, or a filter unit is connected between the housing and the air outlet. 在过滤器单元和壳体之间以及空气出口和过滤器单元之间的连接类型与没有过滤器单元时形成在空气出口和壳体之间连接类型相同。 The same type is formed between the housing and the air outlet when the connection between the housing and the filter unit and the type of connection between the filter unit is not an air outlet and a filter unit. 这有助于过滤器单元到壳体和空气出口的连接,因为连接空气出口到壳体的技术和将过滤器单元到基座以及将空气出口连接到过滤器单元的技术一样。 This helps filter unit is connected to the housing and an air outlet, connecting the air outlet to the art since the filter housing and to the base unit and an air outlet connected to the filter unit as art.

附图说明 BRIEF DESCRIPTION

[0015] 现在将参考附图仅通过举例的方式描述本发明的优选特征,在附图中: [0015] Referring now to the drawings is only a preferred feature of the present invention will be described by way of example, in which:

[0016] 图1是风扇的正视图; [0016] FIG. 1 is a front view of the fan;

[0017] 图2是图1中的风扇的基座的透视图; [0017] FIG. 2 is a perspective view of the base of the fan of Figure 1;

[0018] 图3是图1中的风扇的空气出口的透视图; [0018] FIG. 3 is a perspective view of an air outlet of the fan in FIG 1;

[0019] 图4是图1中的风扇的空气出口的部分的下透视图; [0019] FIG. 4 is a perspective view of a portion of the fan air outlet of Figure 1;

[0020] 图5是图1中的风扇的剖面图; [0020] FIG. 5 is a sectional view of a fan in FIG 1;

[0021] 图6是图5中的一部分的放大图; [0021] FIG. 6 is an enlarged view of a portion;

[0022] 图7是连接到图1中风扇的附件的侧视图; [0022] FIG. 7 is a side view of the accessory connected to the fan of Figure 1;

[0023] 图8是图7中的附件从上方观察的透视图; [0023] FIG. 8 is a perspective view as viewed from above in FIG. 7 accessory;

[0024] 图9是图7中的附件剖面图; [0024] FIG. 9 is a cross-sectional view of the accessory of FIG 7;

[0025] 图10是图1中的风扇的透视图,其中图7中的附件连接到该风扇;及 [0025] FIG. 10 is a perspective view of a fan in FIG. 1, FIG. 7 wherein the attachment is connected to the fan; and

[0026] 图11是图10中的风扇剖面图。 [0026] FIG. 11 is a sectional view of the fan 10 in FIG.

具体实施方式 detailed description

[0027] 图1是风扇10的正视图。 [0027] FIG. 1 is a front view of the fan of Figure 10. 风扇10优选为无叶片风扇10的形式,包括基座12和连接到基座12的空气出口14。 Fan 10 preferably in the form of a bladeless fan 10, includes a base 12 and an air outlet 14 connected to the base 12. 还参考图2,基座12包括大致圆柱形外壳16,该外壳包括多个空气入口18,其中这些空气入口18为形成在外壳16里的孔的形式,并且通过这些孔,主空气流被自外部环境抽入基座12中。 Referring also to FIG. 2, the base 12 comprises a substantially cylindrical housing 16, the housing 18 includes a plurality of air inlets, wherein the air inlet 18 is formed in the form of bores in the housing 16, and through these holes, since the primary air stream is drawn into the external environment of the base 12. 为了控制风扇10的操作,基座12还包括多个用户可操作按钮和用户可操作拨盘22。 In order to control the operation of the fan 10, the base 12 further includes a plurality of user-operable buttons 22 and a user-operable dial. 在此例中,基座12的高度在200到300_之间高度范围,且外壳16的外部直径在100到200mm之间直径范围。 In this embodiment, the height of the base 12 in a height range between 200 to 300 F, and the outer diameter of the housing 16 in a diameter range of between 100 to 200mm.

[0028] 如图3所示,空气出口14为环形形状,并且限定了开口24。 [0028] As shown in FIG. 3, the air outlet 14 is annular in shape and defines an opening 24. 空气出口14的高度在200到400mm的范围。 Height of the air outlet 14 is in the range of 200 to 400mm. 空气出口14包括嘴部26,用于将空气自风扇10排放出来并通过开口24,该嘴部26位于风扇10的后部。 Air outlet 14 includes a mouth portion 26, for the air discharged from the fan 10 through the opening 24, the mouth portion 26 at the rear of the fan 10. 嘴部26至少部分地在开口24周围延伸并且优选地包围开口24。 Mouth portion 26 at least partially extends around the opening 24 and opening 24 preferably surrounds. 空气出口14的内周边包括科恩达表面28 (该表面位于嘴部26附近并且嘴部26引导自风扇10排放空气经过该表面上方),扩散器表面30 (该表面位于科恩达表面28的下游),和引导表面32 (该表面位于扩散器表面30的下游)。 The inner periphery of the air outlet 14 includes a Coanda surface 28 (the surface near the mouth portion 26 and nozzle portion 26 to guide exhaust air from the fan 10 passes over the surface), the diffuser surface 30 (which surface is located downstream of the Coanda surface 28) , and the guide surface 32 (which surface is located downstream of the diffuser surface 30). 扩散器表面30被布置为,成锥形地远离开口24的中心轴线X,通过这样的方式以帮助自风扇10排放的空气流的流动。 The diffuser surface 30 is arranged to taper away from the central axis X 24 of the opening, in such a way to help the flow of air discharged from the fan 10 flows. 对着扩散器表面30与开口24的中心轴X的角在5到25°之间,并且在此例中大约为15°。 Against the diffuser surface 30 and the central axis X of the opening 24 at an angle of between 5 and 25 °, and in this embodiment is approximately 15 °. 引导表面32被布置为相对扩散器表面30成角度以进一步帮助冷空气流自风扇10的有效运输。 The guide surface 32 is arranged opposite to the diffuser surface 30 to further assist angled efficient transport of cold air flowing from the fan 10. 引导表面32优选被布置成与开口24的中心轴线X大致平行以向从嘴部26排出的空气流呈现一个大致平坦的和大致平滑表面。 Preferably the guide surface 32 is arranged to the central axis X of the opening 24 is substantially parallel to the air flow for presentation to the mouth portion 26 is discharged from a substantially flat and substantially smooth surface. 具有视觉吸引力的锥形表面34位于引导表面32的下游,终止在末端表面36处,该末端表面与开口24的中心轴线X大致垂直。 Visually appealing tapered surface 34 is located downstream from the guide surface 32, terminating at end surface 36, the central axis of the opening end surface substantially perpendicular to X 24. 对着锥形表面34和开口24的中心轴线X的角度最好是45°左右。 An angle against the tapered surface 34 and the central axis X of the opening 24 is preferably around 45 °. 沿着开口24中心轴线X延伸方向的空气出口14的整体深度在100到150mm之间,且在此例中是I1mm左右。 Along the entire depth of the air outlet opening 24 extending in the direction of the center axis X 14 of between 100 and 150mm, and in this embodiment is approximately I1mm.

[0029] 图5示出一个通过风扇10的剖视图。 [0029] FIG. 5 shows a cross-sectional view through the fan 10. 基座12包括下部基座构件38,中间基座构件40 (安装在下部基座构件38上),和上部基座构件42 (安装在中间基座构件40上)。 The base 12 comprises a lower base member 38, the intermediate base member 40 (mounted on the lower base member 38), and an upper base member 42 (mounted on the intermediate base member 40). 下部基座构件38有个大致平坦的底表面43。 Lower base member 38 has a substantially flat bottom surface 43. 中间基座构件40容纳控制器44,该控制器用于响应图1和2所示的用户操作按钮20的按下和/或用户操作拨盘的操纵而控制风扇10的运行。 The intermediate base member 40 receiving controller 44, the controller is responsive to user operation of FIG. 1 and FIG button press and / or user manipulation of the control operation dial operation of the fan 10. 2 20. 中间基座构件40还可容纳摆动机构42,该机构相对下部基座构件38摆动中间基座构件40和上部基座构件42。 The base member 40 may also receive the intermediate pivot means 42, which means the base member 38 pivot relative to the lower member 40 intermediate the base and the upper base member 42. 每个上部基座构件42的摆动周期范围最好在60°和120°之间,且在此例中是90°左右。 Each of the upper base member 42 of the wobble period is preferably in the range between 60 ° and 120 °, and in this embodiment is approximately 90 °. 在此例中,摆动机构46被布置为执行大约每分钟3到5个摆动周期。 In this embodiment, the oscillating mechanism 46 is arranged to perform around 3 to 5 minutes per wobble cycle. 为了给风扇10提供电力,主电源线48穿过孔(该孔形成在下部基座构件38内)延伸。 In order to provide power to the fan 10, main power supply line through the aperture 48 (the bore is formed in the lower base member 38) extends.

[0030] 为了调整主空气流自风扇10排放的方向,上部基座构件42可相对于中间基座构件40倾斜。 [0030] In order to adjust the direction of the primary air flow discharged from the fan 10, the upper base member 42 relative to the intermediate base member 40 is tilted. 例如,中间基座构件40的上表面和上部基座构件42的下表面可被提供互联结构部,以防止上部基座构件自中间基座构件40上升,同时允许上部基座构件42相对中间基座构件40移动。 For example, a top surface of the base member 40 intermediate the upper and base member 42 may be provided interconnection structure portion, to prevent the rise of the upper base member from the intermediate base member 40, while allowing the intermediate base 42 relative to the upper base member moving the seat member 40. 例如,中间基座构件40和上部基座构件42可包括互锁L形构件。 For example, the intermediate base member 40 and the upper base member 42 may include an L-shaped interlocking member.

[0031] 上部基座构件42有开口上端,且包括孔50的阵列,其至少部分地绕上部基座构件42延伸。 [0031] The upper base member 42 has an open upper end, and comprising an array of apertures 50, 42 extending at least partially around the upper portion of the base member. 孔50提供基座12的空气入口18。 Providing air hole 50 of the base 12 of the inlet 18. 上部基座构件42容纳叶轮52,该叶轮用于抽吸主空气流通过孔50进入基座12内。 The upper base member 42 to accommodate the impeller 52, the impeller for drawing the primary air flow through the holes 12 50 into the base. 优选,叶轮52为混流叶轮。 Preferably, the impeller 52 is a mixed flow impeller. 叶轮52连接到旋转轴54,该轴自马达56向外延伸。 The impeller 52 is connected to the rotary shaft 54, the shaft 56 extends outwardly from the motor. 在此例中,马达56是直流无刷马达,该马达的速度可通过控制器44响应用户操作拨盘22而改变。 In this embodiment, the motor 56 is a DC brushless motor, the speed of the motor may be changed in response to user operation dial 22 by the controller 44. 马达最大的速度优选在5000到1000rpm之间。 The maximum motor speed is preferably between 5000 and 1000rpm. 马达56被容纳在马达桶内,该桶包括连接到下部部分60的上部部分58。 The motor 56 is a motor housed in the tub, the tub comprises a lower portion 60 connected to the upper portion 58. 马达桶通过马达桶保持器62被保持在上部基座构件42内。 The motor bucket 62 is retained within the upper base member 42 held by the motor bucket. 上部基座构件42的上端包括圆柱形外表面64。 The upper end of the upper base member 42 includes a cylindrical outer surface 64. 马达桶保持器62连接到上部基座构件42的开口上端,例如,通过卡扣连接。 The motor bucket retainer 62 is connected to the upper end of the upper base member opening 42, e.g., by a snap connection. 马达56和它的马达桶没有刚性连接到马达桶保持器62,以允许马达56在上部基座构件42内的一些移动。 Motor 56 and its motor bucket is not rigidly connected to the motor bucket retainer 62, allowing some of the motor 56 to move within the upper base member 42.

[0032] 回到图2,上部基座构件42的上端包括两对开口槽66,该开口槽通过移除部分外表面64形成,以留下成形的“切口”部分。 [0032] Returning to Figure 2, the upper end of the upper base member 42 comprises two pairs of open grooves 66, the open groove by removing part of the outer surface 64 is formed to leave a shaped "cutout" section. 每个槽66的上端与上部基座构件42的开口上端进行敞开连通。 The upper end of each slot 66 is in open communication with the upper end opening 42 of the upper base member. 开口槽66被布置为自上部基座构件42的开口上端向下延伸。 Opening groove 66 is arranged to extend downwardly from the upper end opening 42 of the upper base member. 槽66的下部部分包括圆周延伸的轨道68,该轨道拥有被上部基座构件42的外表面64限定的上和下部部分。 A lower portion of the groove 66 comprises a circumferentially extending track 68, the track 64 has been defined by the outer surface of the upper base member 42 of the upper and lower portion. 每对开口槽66关于上部基座构件42的上端对称地定位,每对相互之间成圆周地间隔开。 Each pair of grooves 66 on the upper end opening of the upper base member 42 symmetrically positioned between each pair of circumferentially spaced apart from each other. 环形密封构件69在上部基座构件42的外表面周围延伸,且位于槽66的轨道68的下方。 An annular seal member 69 around the outer surface of the upper base member 42 extends, and is located below the track 68 of the groove 66.

[0033] 上部基座构件42上端的圆柱形外表面64还包括一对楔形物构件70,该楔形物构件有锥形部分72和侧壁74。 [0033] The cylindrical outer surface of the upper end 42 of the upper base member 64 further comprises a pair of wedge members 70, the wedge member with a tapered portion 72 and side wall 74. 楔形物构件70位于上部基座构件42的相对侧上,且每个楔形物构件70位于相应的外表面64的切口部分中。 Wedge member 70 located on opposite sides of the upper base member 42, and each wedge member 70 is located in the cutout portion corresponding to the outer surface 64.

[0034] 马达桶保持器62包括弯曲的翼片部分76,78,其自马达桶保持器62的上端向内延伸。 [0034] The motor bucket retainer 62 comprises curved flap portions 76, 78, which holds the upper end of the barrel from the motor 62 extends inwardly. 每个弯曲的翼片部分76,78与马达桶上部部分58的一部分重叠。 Each of the curved portions 76, 78 of the flap overlaps a part of the upper portion 58 of the motor bucket. 这样,在移动和操作的过程中,马达桶保持器62和弯曲的翼片部分76,78起到固定和保持马达桶在位的作用。 Thus, during the movement and operation of the motor bucket retainer 62 and the bent portion of the flap 76, 78 functions to maintain the motor bucket in place and fixing effect. 特别地,如果风扇10被颠倒,马达桶保持器62防止马达桶移出并落向空气出口14。 In particular, if the fan 10 is reversed, the motor bucket retainer 62 prevents the motor bucket and falls out of the air outlet 14.

[0035] 再参考图5,马达桶上部部分58和下部部分60中的一个包括扩散器80,该扩散器为拥有螺旋翅片82的固定盘的形式,且位于叶轮52的下游。 [0035] Referring again to FIG. 5, the upper portion 58 and the motor bucket comprises a diffuser 60 in the lower portion 80 of the diffuser has a form of a spiral fin is fixed disk 82 and is positioned downstream of the impeller 52. 当沿着垂直穿过上部基座构件42的线被剖切时,螺旋翅片82中的一个有大致反向的U形横截面。 When passing through the upper base member 42 is cut along a vertical line, a spiral fin 82 has a substantially inverted U-shaped cross-section. 螺旋翼片82被成形,使得电力连接电缆能够穿过螺旋翼片82到达马达56。 Spiral fins 82 are shaped so that the power connection cable to pass through the coil 82 to the flaps 56 Dama Da.

[0036] 马达桶位于叶轮壳体84内或者安装在其上。 [0036] The motor bucket is located within the impeller housing 84 or mounted thereon. 叶轮壳体84又安装在多个角度间隔支撑件86上,此例中为三个支撑件,这些支撑件位于基座12的上部基座构件42中。 The impeller housing 84 is in turn mounted on a support member 86 in a plurality of angularly spaced, in this example three supports, the supports 42 located in the upper base member 12 of the base. 大致为截头锥形的遮罩88位于叶轮壳体84中。 A generally frusto-conical shroud 88 housing the impeller 84. 该遮罩88优选连接到叶轮52的外缘,且被成形为使得遮罩88的外表面贴近,但并不接触叶轮壳体84的内表面。 The mask 88 is preferably connected to the outer periphery of the impeller 52, and is shaped such that the outer surface 88 of the mask close to, but does not contact the inner surface 84 of the impeller housing. 大致呈环形入口构件90连接到叶轮壳体84的底部,以引导主空气流进入叶轮壳体84中。 A substantially annular inlet member 90 is connected to the bottom of the impeller housing 84 to guide the primary air flow enters the impeller housing 84. 叶轮壳体84的顶部包括大致呈环形空气出口92,该出口引导空气流从叶轮壳体84排放到空气出口14。 The top of the impeller housing 84 comprises a substantially annular air outlet 92, the air stream discharged from the outlet guide 84 to the air outlet of the impeller housing 14.

[0037] 为了减少来自基座12的噪音排放,优选,基座12还包括噪声抑制构件。 [0037] In order to reduce noise emissions from the base 12, preferably, base member 12 further includes a noise suppression. 在此例中,基座12的上部基座构件42包括盘状泡沫构件94,其定位在上部基座构件42的基部附近,和位于叶轮壳体84内的大致环状泡沫构件96。 In this embodiment, the upper base member 42 comprises a disc-shaped base 12 of the foam member 94, which is positioned near the base of the upper base member 42, and a substantially annular foam member 84 located within the impeller housing 96.

[0038] 挠性密封构件安装在叶轮壳体84上。 [0038] The flexible seal member 84 is mounted on the impeller housing. 通过将抽自外部环境的主空气与扩散器80和叶轮52的空气出口92排放的空气流隔离,挠性密封构件阻止空气沿着外壳16和叶轮壳体84之间的延伸的通道返回到空气入口构件90。 By the primary air drawn from the outside environment of the diffuser 80 and air outlet 92 of the impeller 52 is isolated from the flow of air discharged, the flexible sealing member extending along the passage to prevent return of air between the housing 16 and the impeller housing 84 to the air the inlet member 90. 密封构件优选包括唇密封件98。 The sealing member preferably comprises a lip seal 98. 该唇密封件98的形状是环形且包围叶轮壳体84,自叶轮壳体84向外朝着外壳16延伸。 The shape of the lip seal 98 is annular and surrounds the impeller housing 84, extending outwardly from the impeller housing 84 towards the housing 16. 在列举的实施例中,密封构件的直径大于叶轮壳体84到外壳16之间的径向距离。 In an exemplified embodiment, the diameter of the sealing member 84 to the impeller housing is greater than the radial distance between the housing 16. 这样,密封构件的外部部分100被偏置抵靠外壳16且导致沿着外壳16的内表面延伸,并形成密封。 Thus, the outer portion of the sealing member 100 is biased against the housing 16 and leads extending along the inner surface of the housing 16, and forms a seal. 优选实施例的唇密封件98,当远离叶轮壳体84且朝向外壳16延伸时,朝向末端102减缩和变窄。 Lip seal member 98 of the preferred embodiment, when the housing 16 extends away from the impeller housing 84 and toward, and narrows toward tip 102 reduction. 唇密封件98优选由橡胶形成。 Lip seal 98 is preferably formed of rubber.

[0039] 密封构件还包括引导部分104以引导电力连接电缆106到马达56。 [0039] The seal member 104 further includes a guide portion for guiding a power connection cable 106 to the motor 56. 所示实施例的引导部分104形成为轴环的形状且可为索环。 The guide portion 104 of the illustrated embodiment is formed in the shape of a ring axis and may be a grommet. 电缆106为带状电缆,该电缆在结合点108处连接到马达。 Cable 106 is a ribbon cable, the cable junction point 108 is connected to the motor. 电缆106自马达56延伸,通过螺旋翅片82穿出马达桶的下部部分60。 Cable 106 extends from the motor 56, piercing the lower portion 60 of the motor bucket through spiral fin 82. 电缆106的通道符合叶轮壳体84的形状,且引导部分104被成形为使电缆106穿过挠性密封构件。 The cable channel 106 conforms to the shape of the impeller housing 84, and the guide portion 104 is shaped such that the flexible cable 106 passes through the sealing member. 密封构件的引导部分104使得电缆106能被夹紧且保持在上部基座构件42内。 The guide portion 104 of the sealing member such that the cable 106 can be clamped and held within the upper base member 42. 套囊110在上部基座构件42的下部部分内容纳电缆106。 Cuff 110 at the lower portion of the upper base member 42 is accommodated the cable 106.

[0040] 图6示出了穿过空气出口14的剖视图。 [0040] FIG. 6 illustrates a cross-sectional view through the air outlet 14. 空气出口14包括环形外壳体段120,其连接到环形内壳体段122且在环形内壳体段122周围延伸。 Air outlet 14 includes an annular outer casing section 120, which is connected to the inner annular housing section 122 surrounding the housing 122 and extending within the annular section. 这些段中每一个可由多个连接部分形成,但是在此实施例中,每个外壳体段120和内壳体段122由各自的,单一模制部分形成。 Each of these sections is formed by a plurality of connecting portions, but in this example, each of the outer casing section 120 and the inner housing section 122 is formed by a respective, single molded part in this embodiment. 内壳体段122限定空气出口14的中心开口24,且具有外部周边表面124,该表面被成形以限定科恩达表面28,扩散器表面30,引导表面32和锥形表面34。 Center of the inner housing section 122 defines an air outlet 14 opening 24, and having an outer peripheral surface 124, which surface is shaped to define the Coanda surface 28, diffuser surface 30, guide surface 32 and tapered surface 34.

[0041] 外壳体段120和内壳体段122 —起限定空气出口14的环形内部通道126。 [0041] The outer casing section 120 and the inner housing section 122-- from the air outlet defining an annular interior passage 14 of 126. 这样,环形内部通道126绕开口24延伸。 Thus, inner annular passage 126 extending around the opening 24. 环形内部通道126被外壳体段120的内周边表面128和内壳体段122的内周边表面130限定。 126 is an annular passage 130 defined inside the inner peripheral surface 120 and an inner peripheral surface 128 of the inner housing section 122 of the outer casing section. 如图4所示,外壳体段120包括基部132,该基部具有内表面134。 As shown, the outer housing section 132 includes a base 1204, The base has an inner surface 134. 基部132的内表面134上形成两对凸起136和一对斜坡132,以连接到上部基座构件42的上端。 Two pairs of projections 136 and a pair of ramps 132 on the inner surface 134 of the base 132 to be connected to the upper end of the upper base member 42. 每个凸起136和每个斜坡138自内表面134直立。 Each projection 136 of each ramp 138 and 134 upstanding from the inner surface. 这样,基部132连接到基座12的上部基座构件42和马达桶保持器62的开口上端,并位于其上方。 Thus, the base portion 132 is connected to the upper base member 42 and open upper end 62 of the motor bucket retainer base 12, and positioned above it. 各对凸起136位于外壳体段120周围且相互间隔,这样各对凸起136与上部基座构件42的上端的各对开口槽66的间隔配置相对应,且这样该对斜坡138的位置与上部基座构件42的上端的该对楔形物构件70的位置相对应。 Each pair of projections 136 is located around the outer casing section 120 and spaced so that each of the projections 136 of the upper end opening of each groove of the upper base member 42 arranged at intervals corresponding to 66 and 138 such that the position and slope the upper end of the upper base member 42 of the wedge member 70 corresponds.

[0042] 外壳体段120的基部132包括孔,通过该孔,主空气流自上部基座构件42的上端和马达桶保持器62的开口上端进入空气出口14的内部通道126。 [0042] The outer casing section 132 of the base 120 includes an aperture through which the main air flow from the upper end of the upper base member 42 of the tub and the motor holder 62 into the open upper end of the air outlet passage 14 interior 126.

[0043] 空气出口14的嘴部26定位在风扇10后部。 [0043] The air outlet section 14 of nozzle 26 is positioned at the rear of the fan 10. 嘴部26分别由外壳体段120的内周边表面128和内壳体段122的外周边表面124的重叠,或面对部分140,142所限定。 Each mouth portion 26 by the housing body section 120 of the inner peripheral surface of the outer peripheral surface of the inner housing segments 122 and 128 overlap 124, 140, 142 or defined by facing portions. 在此例中,嘴部26大致为环形,且当沿着直径地穿过空气出口14的一直线剖开时,如图4所示,具有大致呈U形的横截面。 In this embodiment, the mouth 26 is substantially annular, and when a line passes through the air outlet 14 taken along a diameter, shown in Figure 4, has a substantially U-shaped cross-section. 在此例中,外壳体段120的内周边表面128和内壳体段122的外周边表面124的重叠部分140,142被成形为使得嘴部朝向出口144减缩,其中该出口144被布置成引导主空气流到科恩达表面28上方。 In this embodiment, the overlapping portion of the inner peripheral surface 120 of the outer peripheral surface of the outer casing section 128 and section 122 of inner housing 124 is shaped such that the nozzle 140, 142 towards the outlet 144 reduction unit, wherein the outlet is arranged to direct 144 primary air flows over the Coanda surface 28. 出口144为环形槽的形式,优选有相对不变的宽度,该宽度在0.5到5mm之间。 An outlet in the form of an annular groove 144 preferably has a relatively constant width, the width between 0.5 and 5mm. 在此例中,出口144的宽度为Imm左右。 In this embodiment, the width of the outlet 144 is about Imm. 在嘴部26周围,间隔装置可被绕嘴部26间隔开以迫使外壳体段120的内周边表面128和内壳体段122的外周边表面124的重叠部分140、142间隔开,使得出口144的宽度保持在理想水平。 Around the mouth portion 26, the spacer means may be spaced apart Raozui portion 26 to force the outer housing section 120 of the inner peripheral surface of the outer peripheral surface of the inner housing segments 122 and 128 overlap portions 140, 142 spaced 124 apart, such that the outlet 144 the width is maintained at the desired level. 这些间隔装置与外壳体段120的内周边表面128或内壳体段122的外周边表面124可以是一体的。 These spacer means and the outer casing section 128 or the inner peripheral surface 120 of the inner housing section 122 of the outer peripheral surface 124 may be integral.

[0044] 参考图3和图4,为使得空气出口14连接到基座12,空气出口14从如图4所示的取向颠倒且空气出口14的基部132位于上部基座构件42的开口上端上方。 [0044] Referring to Figures 3 and 4, such that the air outlet 14 is connected to the base 12, the air outlet 14 is positioned above the inverted base of the upper base member opening 132 and the air outlet 14 from the upper end 42 in the orientation shown in FIG. 4 . 空气出口14相对基座12对齐,使得空气出口14的基部132的凸起136直接定位为与上部基座构件42开口槽66开口上端对准。 An air outlet 1412 is aligned relative to the base, the base portion 14 such that the air outlet 132 of the projection 136 is positioned directly to the base member 42 with the upper opening groove 66 aligned with the open upper end. 在此位置上,基部132的一对斜坡138直接与上部基座构件42的一对楔形物构件70对准。 In this position, the pair of ramps 138 of the base 132 of the wedge 70 is directly aligned with the upper base member 42 of a pair of members. 然后,空气出口14被推至基座12上,这样凸起136位于开口槽66的基部上。 Then, the air outlet 14 is pushed onto the base 12, so that the projection 136 is located on the base 66 of the slot opening. 基座12的密封构件69与空气出口14的基部132的内表面134接合以在基座12和空气出口14之间形成气密密封。 Sealing member 69 to the base 12 of the base 12 and an air outlet forming a hermetic seal between the inner surface of the base 14 and the air outlet 134 132 14 engages.

[0045] 为了固定空气出口14到基座12上,空气出口14相当于基座12沿顺时针的方向旋转,使得凸起136沿着开口槽66的周向延伸轨道68移动。 [0045] In order to fix the base 14 to the air outlet 12, air outlet 14 corresponds to a clockwise direction of rotation of the base 12, so that the projection 68 along the moving rail 136 extending circumferentially opening groove 66. 空气出口14相对于基座12的旋转,通过上部基座构件42的开口上端的局部的弹性形变,还推动斜坡138爬上楔形物构件70的锥形部72并在其上滑动。 An air outlet 14 relative to the rotation of the base 12, the upper base member by partial elastic deformation of the upper end opening 42, but also promoted the ramp portion 138 to climb up the tapered wedge member 70 and 72 slide thereon. 随着空气出口14相对于基座12的持续旋转,斜坡138被迫到楔形物构件70的侧壁74上方。 As the air outlet 14 continues to rotate with respect to the base 12, the ramp 138 to be forced over the side wall 74 of the wedge member 70. 上部基座构件42的开口上端被释放,使得斜坡138与楔形物构件70大致径向对齐。 Upper end opening of the upper base member 42 is released, so that the ramps 138 and 70 substantially radially aligned with the wedge member. 因此,楔形物构件70的侧壁74防止空气出口14相对于基座12意外旋转,而,凸起136位于轨道68内防止空气出口14被提离基座12。 Thus, the side wall 70 of the wedge member 74 to prevent the air outlet 14 with respect to the spin base 12 accidentally, and the projection 136 is located within the track 68 to prevent air outlet 14 is lifted off the base 12. 空气出口14相对基座12的旋转不需要过多的旋转动力和所以用户可进行风扇10的组装。 Rotating air outlet 14 relative to the base 12 without undue rotational power of the user and the fan 10 may be assembled.

[0046] 为操作风扇10,用户按下基座12上一个合适的按钮,响应该操作,控制器44激活马达56以旋转叶轮52。 [0046] The operation of the fan 10, the user presses a suitable button base 12, in response to the operation, the controller 44 activates the motor 56 to rotate the impeller 52. 叶轮52的旋转使得主空气流被抽吸通过空气入口18进入基座12。 Rotation of the impeller 52 causes the primary air flow is drawn through the air inlet 18 into the base 12. 根据马达56的速度,由叶轮52产生主空气流可能在每秒20到30升之间。 The speed of the motor 56, the impeller 52 generated by the primary air flow may be between 20 to 30 liters per second. 主空气流在基座12的出口92处的压力可至少为150帕,且优选在250到1500帕之间。 Pressure of the main air flow at the outlet 92 of the base 12 may be at least 150 Pa, and preferably between 250 to 1500 Pa. 主空气流依次通过叶轮壳体84,上部基座构件42的上端,和马达桶保持器62的开口上端以进入空气出口14的内部通道126。 Main air flow sequentially through the impeller housing 84, the upper end of the upper base member 42, the tub and the motor holder 62 to the upper end of the opening into the interior of the air outlet passage 14 126. 自空气出口92排放出的主空气流通常是向上和向前方向。 Main air flow from the air outlet 92 is discharged generally upward and forward direction.

[0047] 在空气出口14内,主空气流被分成两股空气流,其朝相反的方向绕空气出口14的中心开口24行进。 [0047] In the air outlet 14, the main air stream is divided into two air streams which travel around the central opening 24 of the air outlet 14 in the opposite direction. 一部分主空气流沿侧面方向(大致与X轴正交)进入空气出口14,在没有任何显著引导的情况下沿侧面方向进入内部通道126。 Along the side surface portion of the main air flow direction (substantially orthogonal to the X-axis) into the air outlet 14, into the interior channel 126 in the lateral direction without any significant lower guide. 然而,主空气流的另外一部分,沿平行于X轴的方向进入空气出口14,马达桶保持器62的弯曲翼片76引导此部分的空气流以使空气流能沿侧面方向进入内部通道126。 However, the main air flow of the other part, in a direction parallel to the X axis of the intake air outlet 14, the motor bucket retainer 62 and the curved fin 76 directing the air flow in this portion to enable flow of air into the interior channel 126 in the lateral direction. 当空气流穿过内部通道126,空气进入空气出口14的嘴部26中。 As the air flows through the interior passage 126, air enters the mouth 26 of the air outlet 14. 进入嘴部26的空气流优选大致在空气出口14的开口24周围均匀分布。 Air flow into the mouth 26 is preferably substantially uniformly distributed around the opening 24 air outlet 14. 在嘴部26的每个区段中,所述空气流部分的流动方向被大致反向。 In each section of the mouth 26, the flow direction of the air stream is substantially reversed portion. 空气流部分被嘴部26的减缩部分限制并自出口98射出。 Reduced air flow portion is partially restricted mouth 26 and emitted from the outlet 98.

[0048] 自嘴部26排出的主空气流被引导到空气出口14的科恩达表面28上方,引起从外部环境(特别是来自嘴部26的出口98和空气出口14的后方周围区域)夹带的空气产生的次空气流。 [0048] The primary air stream is discharged from the nozzle portion 26 is guided to the air outlet 14 over the Coanda surface 28, causing the entrained from the external environment (in particular from the outlet 98 of the mouth portion 26 and the air outlet 14 of the rear peripheral region) of the the secondary air stream of air generated. 该次空气流穿过空气出口14的中心开口24,在此位置它与主空气流结合产生总空气流(或总气流),自空气出口14向前发射。 The secondary air flow of the air outlet 14 through the central opening 24, in this position it is combined with the primary air flow to produce a total air flow (or the total gas flow), emitted from the air outlet 14 forward. 根据马达56的速度,自风扇10向前发射的空气流的质量流量可在300到400升每秒范围内,且空气流的最大速度可在2.5到4m/s范围内。 The speed of the motor 56, the mass flow rate of air flow from the fan 10 can be emitted forward in a range of 300 to 400 liters per second, and the maximum speed of the air flow may be in the 2.5 to 4m / s range.

[0049] 主空气流沿着空气出口14的嘴部26的均匀分布,确保了空气流均匀地在扩散器表面30上经过。 Uniform distribution [0049] The mouth portion 14 of the primary air flow along the air outlet 26 to ensure that the air flow passes evenly over the diffuser surface 30. 通过移动空气流经过控制膨胀的区域,扩散器表面30使得空气流平均速度被减小。 By moving control of the air flow through the expansion region, the diffuser surface 30 such that the average air flow velocity is reduced. 扩散器表面30到开口24的X轴相对较小的角度允许空气流的膨胀逐渐发生。 X diffuser surface 30 to the shaft 24 of a relatively small opening angle allows gradual expansion of the air flow. 否则,粗糙或快速的发散将使得空气流被扰乱,在膨胀区域产生涡流。 Otherwise, rough or rapid divergence will cause the air flow is disturbed, generating vortices in the expansion region. 这种涡流能导致空气流里湍流和相关噪音的增加,这是不理想的,特别在家用产品例如风扇的情形中。 This vortex flow of air can result in turbulence and associated noise increase, which is undesirable, particularly in household products, for example, in the case of a fan. 超过扩散器表面30向前方向发射的空气流倾向于继续发散。 Air diffuser surface 30 than the forward flow direction tends to continue to diverge transmitted. 引导表面32朝着X轴集中空气流,其中该表面朝着X轴向内延伸。 Concentrated air flow guide surface 32 toward the X-axis, which extends toward the inner surface of the X-axis. 因此,空气流自空气出口14能有效地传播出去,使得在风扇10的几米的距离就能快速地感觉到空气流。 Thus, the air flow from the air outlet 14 can be effectively spread out, so that the fan 10 is a few meters can quickly feel the air flow.

[0050] 图7到9示出风扇10的外部附件,附件为过滤单元200的形式,其可拆卸地连接到风扇10,以允许在清洗或更换时,移出过滤器单元200。 [0050] FIG. 7 to 9 show the external accessory fan 10, in the form of attachment of the filter unit 200, which is detachably connected to the fan 10, to allow for cleaning or replacing, the filter unit 200 out.

[0051] 过滤器单元200为大致圆柱形套筒的形式,该套筒位于基座12的上部基座构件42周围,使得过滤器单元200位于风扇10的空气入口18上,如图10和11所示。 [0051] The filter unit 200 in the form of a substantially cylindrical sleeve, the sleeve is positioned around the upper base member 12 of the base 42, so that the filter unit 200 is located on the air inlet 18 of the fan 10, 10 and 11 Fig. 在主空气流进入风扇10的基座12前,这允许过滤器单元200将大气悬浮颗粒从主空气流移除。 Into the base of the fan 10 before the main air stream 12, which allows the filter unit 200 to remove suspended particles in the atmosphere from the main air stream.

[0052] 过滤器单元200包括大致环形过滤器202以移除主空气流中的大气悬浮颗粒。 [0052] The filter unit 200 comprises a substantially annular air filter 202 to remove suspended particles in the main air flow. 过滤器202最好为径向带裙的高效能微粒捕集器(high energy particle arrester,HEPA)过滤器。 High efficiency particulate filter trap 202 is preferably a radial skirted (high energy particle arrester, HEPA) filters. 过滤器202具有表面区域,该区域暴露于由风扇10产生的进来的主空气流,其中该区域在0.5到1.5m2的范围,且在此例中,为1.1m 2左右。 Filter 202 has a surface area that is exposed to the flow of the incoming primary air generated by the fan 10, wherein the region is in the range 0.5 to 1.5m2, and in this embodiment, is about 1.1m 2. 过滤器202被圆柱形外罩204围绕。 A cylindrical filter housing 202 is about 204. 该外罩优选由塑料材料形成,以保护过滤器202且由此允许用户不需要接触过滤器202就能处理过滤器单元200。 The cover is preferably formed from a plastic material to protect the filter 202 and thereby allowing the user need not touch the filter 202 can filter processing unit 200. 罩204优选是透明的,以在使用中或一定时期使用以后,允许用户可视地检测过滤器202的状态。 Cover 204 is preferably transparent, after a certain period in order to use or in use, allowing the user to state filter 202 is visually detected. 罩204包括多个孔(未示出),通过该孔主空气流进入过滤器单元200,且由此提供过滤器单元200的较为粗糙的第一级过滤以防止相对较大的大气悬浮物体或虫子进入过滤器单元200。 Cover 204 comprises a plurality of holes (not shown), through the main air flow through the hole into the filter unit 200, filter unit and thereby provide a rougher first stage filter 200 to prevent relatively large objects or air suspension insects entering the filter unit 200. 过滤器单元200可还包括额外的过滤媒介,其位于过滤器202和罩204之间,或者过滤器202的下游。 Filter unit 200 may also include additional filter media, located between the filter 202 and the cover 204, or downstream of the filter 202. 例如,此额外的媒介可包括泡沫,碳,纸张或织物中的一种或多种。 For example, the additional medium may comprise one or more foam, carbon paper or fabric.

[0053] 过滤器202和罩204夹在过滤器单元200的两个环形板206,208之间。 [0053] Filters 202 and cover 204 interposed between the filter unit 200 two annular plates 206,208. 每个板206,208包括圆形内边缘210和圆形外边缘212,此两者都部分朝向另一板206,208延伸。 Each plate 206, 208 includes a circular inner edge 210 and an outer circular edge 212, this portion of the other plate 206, both extending toward. 过滤器202和罩204位于板206,208的边缘210,212之间,且优选用粘合剂固定到板206,208。 Filter 202 and the cover plate 204 is located between the edges 210, 212, 206, 208, and is preferably fixed to the plate 206 with an adhesive.

[0054] 上板206包含下轴环214,定位在上板206的内边缘210的径向内部。 [0054] The lower plate 206 comprises a collar 214 positioned on the radially inner edge of the inner plate 206 210. 下轴环214自上板206轴向向下延伸。 Since the collar 214 axially downwardly extending plate 206. 下轴环214的内径与风扇10的空气出口14基部132的内径大致相同。 The inner diameter of the collar 214 of the air outlet 10 of the fan 14 and the inner diameter of the base portion 132 is substantially the same. 与空气出口14的基部132相似,下轴环214的内表面包括两对凸起216和一对斜坡(未显示)以连接到风扇10的基座12的上部基座构件42的上端。 And an air outlet 132 is similar to the base 14, the inner surface of the lower collar 214 comprises two pairs of projections 216 and a pair of ramps (not shown) to the base of the fan 10 is connected to the upper end 42 of the upper base member 12. 下轴环214的凸起216和斜坡的形状、以及下轴环214的凸起216和斜坡之间的角度间隔与空气出口14基部132的凸起136和斜坡138大致相同。 Ring projection 214 of the lower shaft 216 and the slope shape, the collar 214 and the lower projections 216 and the angle between the ramp projections 14 spaced air outlet 136 of the base 132 and the ramp 138 is substantially the same.

[0055] 上板206还包括上轴环218,该上轴环定位在下轴环214的径向内部。 [0055] The upper plate 206 also includes a collar 218, which is positioned lower on the collar 214 of the inner radial collar. 上轴环218自上板208的内周边轴向向上延伸。 The inner periphery of the collar plate 208 extends axially from 218 upwardly. 上轴环218的外径与上部基座构件42的开口上端的外表面64的外径大致相同。 Substantially the same as the outer surface of the open upper end of the outer ring 218 and the outer diameter of the upper base member 42 on the shaft 64. 与上部基座构件42相似,上轴环218包括两对开口槽220和一对楔形物构件222。 Similar to the upper base member 42, the collar 218 comprises two pairs of open grooves 220 and the pair of wedge members 222. 开口槽220与上部基座构件42外表面64的开口槽66大致相同,且开口槽220之间的间隔与开口槽66之间的间隔大致相同。 Groove 220 and the opening 42 of the base member outer surface 64 of the upper opening groove 66 is substantially the same and substantially the same spacing between the spacer 66 and the opening between the grooves 220 opening groove. 楔形物构件222与上部基座构件42外表面64的楔形物构件70大致一样,且楔形物构件222之间的间隔与楔形物构件70之间的间隔大致相同。 The wedge member 222 and the wedge member 42 the outer surface 64 of the upper base member 70 is substantially the same, and the interval between the wedge member 222 of the wedge member 70 is substantially the same spacing between. 过滤器单元200的第一环状密封件224绕上轴环218的外表面延伸,且位于槽220的周向延伸轨道226下面。 A first filter unit 200 of the annular seal ring 224 around the outer surface of the shaft 218 extends, and 226 located below the track groove 220 extending circumferentially.

[0056] 轴环214,218优选与上板206 —体形式,其优选由塑料材料形成。 [0056] 206 and collar 214, preferably the upper plate - forms, which is preferably formed from a plastic material.

[0057] 下板208包括相对较小的轴环228,此轴环自下板208的内边缘210轴向向下延伸。 [0057] The lower plate 208 includes a relatively small collar 228, the collar 208 axially from the lower plate inner edge 210 extends downwardly. 轴环228包括周向延伸槽,该槽位于它的内表面上。 The collar 228 includes a circumferentially extending slot which is located on its inner surface. 过滤器单元200的第二环形密封件230位于该槽内。 The second filter unit 200 of the annular seal 230 is located in the groove. 轴环228优选与下板208 —体形成,其优选由塑料材料形成。 Preferably the collar 228 and the lower plate 208-- formed, which is preferably formed from a plastic material.

[0058] 为使过滤器单元200连接到风扇10,首先,空气出口14被从基座12分离。 [0058] of the filter unit 200 is connected to the fan 10, first, the air outlet 14 is separated from the base 12. 为了自基座12分离空气出口14,空气出口14被相对基座12以与将空气出口14连接到基座12时的方向相反的方向(逆时针)拧动。 In order to separate the base 12 from the air outlet 14, air outlet 14 is opposite to the base 12 and the direction 14 is connected to the base 12 at the opposite direction (counterclockwise) air outlet screwing. 在用户合适的力矩手动操作下,上部基座构件42的上端又一次引起局部径向向内弯曲。 Suitable moment in the user manual operation, the upper end of the upper base member 42 is bent radially inwardly again causing local. 上部基座构件42的这种局部变形允许斜坡138在楔形物构件70上旋转,同时凸起136沿着槽66的轨道68同步移动。 Such local deformation of the upper base member 42 allows the ramp 138 on the wedge member 70 is rotated while the projection 136 moves along the rail 68 synchronized grooves 66. 一旦,凸起136到达轨道68的末端,空气出口14可自基座12提起。 Once the projection 136 reaches the end of the track 68, the air outlet 14 may be lifted from the base 12.

[0059] 尽管自基座12分离空气出口14比连接将需要更大的力应用到空气出口14上,但是可选择上部基座构件42的弹性从而可以手动地完成分离空气出口14。 [0059] Although the separation of air from the base 12 than the connecting outlet 14 will require a greater force is applied to the air outlet 14, but alternatively the upper base member 42 elastically so as to complete the separation of air may be manually outlet 14.

[0060] 然后,用户将过滤器单元200连接到基座12。 [0060] The user then filter unit 200 is connected to the base 12. 将过滤器单元200连接到基座12的技术与将空气出口14连接到基座12的技术在本质上是相同的。 The filter unit 200 is connected to the base 12 of the art technology and an air outlet 14 is connected to the base 12 in essentially the same. 用户把下板208的轴环228的开口下端定位在上部基座构件42的开口上端上,然后围绕基座12降低过滤器单元200。 The lower end of the user shaft opening of the lower plate 208 of the ring 228 is positioned on the open upper end of the upper base member 42, 12 is then lowered around the base 200 of the filter unit. 当上板206的下轴环214的底端定位在上部基座构件42的开口上端的紧上方时,用户旋转过滤器单元200直到过滤器单元200的凸起216直接定位为与上部基座构件42的开口槽66的开口上端对准。 When the bottom end of the lower plate 206 of the shaft ring 214 is positioned in the upper end opening of the upper base member 42 immediately above, the user rotates the filter unit 200 until the protrusion 216 of the filter unit 200 is positioned directly to the upper base member upper end opening 66 aligned with opening groove 42. 在此位置上,过滤器单元的该对斜坡直接与上部基座构件42的该对楔形物构件70对准。 In this position, the slope of the filter unit directly to the upper base member 42 of the pair of wedge members 70 are aligned. 然后,就能进一步推动过滤器单元200到基座12上,使得过滤器单元200的凸起216位于基座12的开口槽66的基部处。 Then, the filter unit can be further pushed 200 to the base 12, the projections 216 such that the base of the filter unit 66 is located at the opening groove 200 of the base 12. 为了将过滤器单元200固定到基座12上,过滤器单元200被相对基座12沿顺时针方向旋转,使得凸起216沿着开口槽66的周向延伸轨道68移动。 For the filter unit 200 is fixed to the base 12, the filter 12 of the base unit 200 is rotated in the clockwise direction relative to, the moving rail such that projection 216 extending circumferentially along the opening 68 of the slot 66. 通过上部基座构件42的局部弹性变形,过滤器单元200相对于基座12的旋转还推动了斜坡爬上楔形物构件70的锥形部72且并在其上滑动。 By local elastic deformation of the upper base member 42, the filter unit 200 is rotated relative to the base 12 is also pushed to climb the slope of the tapered portion of the wedge member 70 and 72 and slides thereon. 随着过滤器单元200相对于基座12的持续旋转,斜坡被迫到楔形物构件70的侧壁74上方。 As the filter unit 12 relative to the base 200 continues to rotate, the side wall 74 to be forced upward slope wedge member 70. 上部基座构件42的开口上端被释放,使得斜坡与楔形物构件70大致径向对齐。 Upper end opening of the upper base member 42 is released, so that the ramp 70 is substantially radially aligned with the wedge member. 因此,楔形物构件70的侧壁74防止过滤器单元200相对于基座12意外旋转,而凸起216位于轨道68内防止过滤器单元200被提离基座12。 Thus, the side wall 70 of the wedge member 74 to prevent the filter unit 12 relative to the base 200 accidental rotation, the projection 216 is located within the track 68 to prevent the filter unit 200 is lifted off the base 12.

[0061] 如图11所示,当过滤器单元200安装到基座12时,过滤器单元200的第二密封构件230位于基座12空气入口18下方,且接合基座12的外表面以在基座12和过滤器单元200之间形成气密密封。 [0061] As shown in FIG. 11, when the filter unit 200 mounted to the base 12, the filter unit 200 of the second sealing member 230 is located in the base 18 beneath the air inlet 12, and the outer surface of the base 12 to engage in hermetic seal 200 is formed between the base 12 and the filter unit. 同样如图10所示,当过滤器单元200连接到基座12时,用户仍可接近基座12的按钮22和用户可操作拨盘22。 Also as shown, when the filter unit 200 is connected to the base 12, the base 12 of the user 10 can still close button 22 and the user operable dial 22.

[0062] 然后,空气出口14被安装到过滤器单元200。 [0062] Then, the air outlet 14 is mounted to the filter unit 200. 空气出口14到过滤器单元200的连接与空气出口14到基座12的连接在本质上是相同的。 An air outlet 14 connected to an air outlet of the filter unit 200 is connected to the base 14 in essentially the same 12. 空气出口14的基部132位于过滤器单元200的上轴环218上方。 The base portion 14 of the air outlet 132 is located above the filter unit 218 of the collar 200. 空气出口14相对基座12对齐,使得空气出口14的基部132的凸起136直接定位为与过滤器单元200的开口槽220的开口上端对准。 An air outlet 14 is aligned relative to the base 12, the base 14 such that the air outlet 132 of the projection 136 is positioned directly with the open upper end of the filter unit 200 of the slot opening 220 is aligned. 然后,空气出口14被推至过滤器单元200上,使得凸起136位于开口槽220的基部上。 Then, the air outlet 14 is pushed to the filter unit 200, the opening 136 such that projection 220 on the base of the groove. 过滤器单元200的第一密封构件224与空气出口14的基部132的内表面134接合以在过滤器单元200和空气出口14之间形成气密密封。 A filter unit first sealing member 200 to the outlet 224 of the filter unit 200 and the air to form an airtight seal between the inner surface of the base 14 and the air outlet 134 132 14 engages. 再次,为了固定空气出口14到过滤器单元200,将空气出口14相对于过滤器单元200沿顺时针的方向旋转,使得凸起136沿着过滤器单元200的开口槽220的周向延伸轨道226移动。 Again, in order to fix the air outlet 14 to the filter unit 200, the air outlet 14 is rotated relative to direction of the filter element 200 in the clockwise direction, so that the projections 136 extending circumferentially along the filter unit 200 of the groove track 220 of the opening 226 mobile. 空气出口14相对于过滤器单元200的旋转,通过过滤器单元200的上轴环218的局部弹性形变,还推动斜坡138爬上过滤器单元200的楔形物构件222的锥形部并在其上滑动。 An air outlet 14 with respect to the rotary filter unit 200, through the filter unit 218 on the collar 200 of the local elastic deformation, but also promoted the ramp portion 138 to climb up the filter tapered wedge member 200 and 222 on which the unit slide. 随着空气出口14相对于过滤器单元200的持续旋转,斜坡138被迫到楔形物构件220的侧壁上方。 As the air outlet 14 with respect to the filter unit 200 continues to rotate, the ramp 138 to be forced over the side wall 220 of the wedge member. 过滤器单元200的上轴环218被释放,使得斜坡138与楔形物构件220大致径向对齐。 The filter unit 218 on the collar 200 is released, so that the ramp 138 and the wedge member 220 is aligned substantially radially. 因此,楔形物构件200的侧壁74防止空气出口14相对于过滤器单元200意外旋转,而凸起136位于轨道226内防止空气出口14被提离过滤器单元200。 Thus, the side wall 200 of the wedge member 14 relative to the air outlet 74 prevents inadvertent rotation 200 to the filter unit, while the projection 136 is located within the track 226 to prevent the air outlet 14 is lifted from the filter unit 200.

[0063] 风扇10和过滤器单元200的组装得到的组合物在图10和11中示出。 [0063] The fan assembly 10 and the filter unit 200 of the resulting composition are shown in FIGS. 10 and 11. 过滤器单元200与基座12和空气出口14形成的气密密封迫使主空气流穿过过滤器单元200的过滤器202,以在其进入基座12前,去除主空气流中的空气携带的微粒。 Filter unit 200 and the base 12 and the hermetic seal formed by the air outlet 14 forces the main air flow through the filter 200 of the filter unit 202 to the base 12 before it enters the removed air in the primary air stream carrying the particle. 除了净化风扇10局部环境中的空气,在主空气流进入基座12前将其中的空气携带微粒去除能明显减低灰尘和杂物积聚到风扇10内部零件上的速度,因而降低风扇10需要清洁的频率。 Purge air fan 10 in addition to the local environment, the main air flow into the base 12 wherein prior to the removal of airborne particles can be significantly reduced dust and debris accumulates to the speed of the internal parts of the fan 10, thus reducing the need of cleaning fan 10 frequency. 为了清洁和更换,通过将空气出口14从过滤器单元200分离(其以与空气出口14从基座12上移除的方式一样的方式执行)以及随后将过滤器单元200从基座12分离,过滤器单元200可易更换。 For cleaning and replacement, and subsequently 200 separated from the base 12 by an air outlet 14 (which is performed to remove the air outlet 14 from the base 12 in the same manner as embodiment) from the separator filter unit 200 the filter unit, filter unit 200 may be easy to replace. 这种执行方式不使用任何工具,可以又快又容易地操作。 This implementation does not use any tool that can quickly and easily operated. 当再也不需使用过滤器单元200时,通过将过滤器单元200从基座12分离以及直接将空气出口14重新安装到基座12上,过滤器单元200就能从风扇10上快速去除。 When no longer need to use the filter unit 200, filter unit 200 through the air outlet 14 is directly mounted again separated from the base 12 and to the base 12, the filter unit 200 can be quickly removed from the fan 10.

Claims (16)

  1. 1.一种可移动风扇包括: 基座,具有外壳,该外壳具有空气入口; 空气出口,包括用于接收空气流的内部通道,和用于排放空气流的嘴部,该内部通道在开口周围延伸,其中空气被从嘴部射出的空气流抽吸通过该开口; 叶轮和马达,该马达用于旋转叶轮以在空气入口和空气出口之间产生空气流,该空气流在该叶轮下游位置具有至少150Pa的静压;以及过滤器单元,可拆卸地连接到壳体,过滤器单元包括位于空气入口的上游的过滤器,所述过滤器为高效能微粒捕集器(HEPA)过滤器。 1. A mobile fan comprising: a base having a housing, the housing having an air inlet; an air outlet, comprising an internal channel for receiving the air flow, a mouth and discharge air flow, around the opening of the internal passage extension, wherein air is emitted from the mouth portion of the air flow drawn through the opening; impeller and a motor for rotating the impeller to create an air flow between the air inlet and the air outlet, the air flow downstream of the impeller has a location the static pressure of at least 150Pa; and a filter unit removably connected to the housing, the filter unit comprises an air inlet located upstream of the filter, the filter is a high efficiency particulate trap (HEPA) filters.
  2. 2.如权利要求1所述的风扇,其中,马达和叶轮被布置为产生具有在250至1500Pa范围内的静压的空气流。 2. The fan according to claim 1, wherein the motor and the impeller is arranged to produce an air flow having a static pressure in the range of 250 to 1500Pa.
  3. 3.如权利要求1所述的风扇,其中,过滤器单元包括用于接合壳体的外表面的至少一个密封件。 The fan as claimed in claim 1, wherein the filter unit comprises at least one seal member for engaging the outer surface of the housing.
  4. 4.如权利要求1所述的风扇,其中,过滤器单元为套筒的形式,其可定位在壳体的周围。 The fan as claimed in claim 1, wherein the filter unit is in the form of a sleeve which may be positioned around the housing.
  5. 5.如权利要求1所述的风扇,其中,过滤器的形状是大致环形的。 The fan according to claim 1, wherein the shape of the filter are substantially annular.
  6. 6.如权利要求5所述的风扇,其中,过滤器单元包括两个环形盘,过滤器定位在该两个环形盘之间。 6. The fan according to claim 5, wherein the filter unit comprises two annular discs, the filter is positioned between the two annular discs.
  7. 7.如权利要求6所述的风扇,其中,每个盘包括朝向另一个盘延伸的凸起边缘以保持过滤器在盘之间。 7. The fan according to claim 6, wherein each disc comprises a raised edge toward the other to hold the disc extending between the filter disc.
  8. 8.如权利要求6所述的风扇,其中,过滤器粘附到盘。 The fan as claimed in claim 6, wherein the filter is adhered to the disc.
  9. 9.如权利要求1所述的风扇,其中,过滤器单元包括过滤器罩,过滤器粘附到过滤器罩。 9. The fan according to claim 1, wherein the filter unit includes a filter housing, the filter is adhered to the filter cover.
  10. 10.如权利要求1所述的风扇,其中,过滤器单元包括外罩,该外罩包括多个孔。 10. The fan according to claim 1, wherein the filter unit comprises a housing that includes a plurality of apertures.
  11. 11.如权利要求1所述的风扇,其中,壳体包括底部表面和侧壁,其中空气入口位于壳体的侧壁中。 11. The fan according to claim 1, wherein the housing includes a bottom surface and a sidewall, wherein the air inlet is located in the sidewall of the housing.
  12. 12.如权利要求1所述的风扇,其中,空气入口至少部分地在壳体周围延伸。 12. The fan according to claim 1, wherein the air inlet extends at least partially around the housing.
  13. 13.如权利要求1所述的风扇,其中,空气入口包括孔的阵列。 13. The fan according to claim 1, wherein the air inlet comprises an array of apertures.
  14. 14.如权利要求1所述的风扇,其中,壳体在形状上大致为圆柱形的。 14. The fan according to claim 1, wherein the housing is generally cylindrical in shape is.
  15. 15.如上述权利要求中任一项所述的风扇,其中,空气出口可拆卸地连接到过滤器单J L.ο 15. The fan according to any one of the preceding claims, wherein the air outlet is detachably connected to the filter single J L.ο
  16. 16.如权利要求1至14中任一项所述的风扇,其中,过滤器单元包括接合壳体的第一密封件,及接合空气出口的第二密封件。 16. The fan according to any one of claims 1 to 14, wherein the filter unit comprises a first seal member engaging the housing, and a second sealing member engaging the air outlet.
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CN102200147A (en) 2011-09-28 application
GB2478926B (en) 2016-09-28 grant
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US20110236228A1 (en) 2011-09-29 application
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