CN104819132B - A base and a non-leaf fan bladeless fan - Google Patents

A base and a non-leaf fan bladeless fan Download PDF

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Publication number
CN104819132B
CN104819132B CN 201510279825 CN201510279825A CN104819132B CN 104819132 B CN104819132 B CN 104819132B CN 201510279825 CN201510279825 CN 201510279825 CN 201510279825 A CN201510279825 A CN 201510279825A CN 104819132 B CN104819132 B CN 104819132B
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housing
impeller
base
formed
motor
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CN 201510279825
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Chinese (zh)
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CN104819132A (en )
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邵琛
豆海
张辉
马列
李殿飞
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广东美的环境电器制造有限公司
美的集团股份有限公司
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Abstract

本发明公开了一种用于无叶风扇的基座,包括壳体及动力系统。 The present invention discloses a base for a non-leaf fan, comprising a housing and power systems. 动力系统收容于壳体内,动力系统包括叶轮外壳、叶轮及电机。 Power system housed in the housing, the power system comprising an impeller housing, the impeller and motor. 所述壳体上形成有第一进气口,所述壳体呈圆柱形并在开设有所述第一进气口处沿径向向外凸出。 The first intake port is formed with a housing, said housing has a cylindrical shape and defines a first intake port of the outwardly projecting radially. 叶轮外壳架设在壳体上,叶轮设置在叶轮外壳内,电机用于驱动叶轮,叶轮外壳形成有回流腔以防止气流回流,所述叶轮外壳的底段向内及向上弯曲形成所述回流腔和开口被所述叶轮的底段直接遮挡的环形凹槽。 The impeller set up in the housing casing, an impeller disposed in the impeller housing, a motor for driving an impeller housing is formed with a cavity to prevent reflux stream reflux, the bottom segment of the impeller housing is formed inwardly and upwardly bent and the return chamber open annular groove of said impeller being directly obscured bottom section. 本发明还公开了一种无叶风扇。 The present invention also discloses a bladeless fan. 如此,由于叶轮外壳形成有回流腔,回流腔能防止气流回流,从而降低由于气流回流造成的噪声。 Thus, since the impeller housing is formed with a reflux chamber, the chamber can be prevented reflux reflux stream, thereby reducing noise due to airflow caused by reflux.

Description

用于无叶风扇的基座及无叶风扇 A base and a non-leaf fan bladeless fan

技术领域 FIELD

[0001] 本发明涉及风扇领域,尤其是涉及一种用于无叶风扇的基座及无叶风扇。 [0001] The present invention relates to a fan, and in particular, to a bladeless fan base and a bladeless fan.

背景技术 Background technique

[0002] 现有技术的无叶风扇基座内的气流由于回流会产生噪声。 [0002] bladeless fan airflow in the prior art due to the reflux of the base noise is generated.

发明内容 SUMMARY

[0003] 本发明旨在至少解决现有技术中存在的技术问题之一。 [0003] The present invention is to solve at least one of the prior art technical problems. 为此,本发明需要提供一种用于无叶风扇的基座。 To this end, the present invention requires to provide a base for a bladeless fan.

[0004] 本发明还需要提供一种无叶风扇。 [0004] The present invention further provides a bladeless fan required.

[0005] 根据本发明较佳实施方式的用于无叶风扇的基座,包括壳体及动力系统。 [0005] for a bladeless fan base according to the preferred embodiment of the present invention, including a housing and power systems. 所述动力系统收容于所述壳体内,所述动力系统包括叶轮外壳、叶轮及电机,所述壳体上形成有第一进气口,所述壳体呈圆柱形并在开设有所述第一进气口处沿径向向外凸出。 The power system housed within said housing, said power system includes an impeller housing, the impeller and motor, the intake port is formed on a first housing, said housing has a cylindrical shape and defines the first an air inlet at a radially outwardly projecting. 所述叶轮外壳架设在所述壳体上,所述叶轮设置在所述叶轮外壳内,所述电机用于驱动所述叶轮,所述叶轮外壳形成有回流腔以防止气流回流,所述叶轮外壳的底段向内及向上弯曲形成所述回流腔和开口被所述叶轮的底段直接遮挡的环形凹槽。 The impeller housing erected on the housing, the impeller disposed within the impeller housing, a motor for driving the impeller, the impeller housing is formed with a cavity to prevent reflux reflux stream, said impeller housing the bottom section is bent upwardly and inwardly formed annular groove chamber and the return opening is the bottom section of the impeller is directly blocked.

[0006] 本发明较佳实施方式的用于无叶风扇的基座,由于所述叶轮外壳形成有回流腔, 所述回流腔能防止气流回流,从而降低由于气流回流造成的噪声。 Base [0006] preferred embodiment of the present invention for non-leaf fan, since the impeller housing is formed with a flash chamber, the flash chamber reflux stream can be prevented, thereby reducing noise due to airflow caused by reflux.

[0007] 在一些实施方式中,所述壳体上形成有第一进气口,所述叶轮下方形成有第二进气口,所述回流腔用于引导气体从所述第一进气口进入所述第二进气口。 [0007] In some embodiments, the upper housing is formed with a first intake port, below the impeller is formed with a second intake port, the return chamber for directing gas from the first intake port into the second intake port.

[0008] 在一些实施方式中,所述第一进气口沿所述壳体的圆周方向分布,所述第一进气口环状包围所述回流腔,所述回流腔位于所述第二进气口的正下方。 [0008] In some embodiments, the first air intake circumferential direction of the rim profile housing, the first intake port surrounding the annular flashback chamber, said chamber located in the second reflux immediately below the intake port.

[0009] 在一些实施方式中,所述回流腔形成于所述叶轮外壳的底端,所述回流腔基本呈上窄下宽的喇叭状。 [0009] In some embodiments, the return chamber is formed between the bottom end of the impeller housing, said flash chamber base has a wide mouth of the horn.

[0010] 在一些实施方式中,所述动力系统还包括扩压器,所述扩压器设于所述叶轮产生的气流的下游,所述扩压器与所述叶轮外壳连接。 [0010] In some embodiments, the power system further comprises a diffuser, a diffuser disposed downstream of the air flow generated by the impeller, the diffuser and the impeller housing is connected.

[0011] 在一些实施方式中,所述电机外形成有用于固定所述电机的电机外壳,所述电机及所述电机外壳设于所述扩压器与所述叶轮之间,所述电机外壳与所述叶轮外壳连接。 [0011] In some embodiments, the outer motor housing is formed with a motor for fixing the motor, the motor and the motor housing is provided between the pressure diffuser and the impeller, the motor housing connected to the impeller housing.

[0012] 根据本发明较佳实施方式的无叶风扇,包括机头及上述任一实施方式所述的基座,所述基座与所述机头连通以将叶轮产生的气流送入所述机头。 [0012] According to a preferred embodiment of the bladeless fan embodiment of the present invention, comprising a base and a head of the embodiments described above, the base and the head in communication with the air flow generated by the impeller into the head.

[0013] 在一些实施方式中,所述基座与所述机头之间设有通风管以将所述叶轮产生的气流送入所述机头。 [0013] In some embodiments, provided between the base and the head of the vent tube to the gas stream fed to the handpiece impellers.

[0014] 在一些实施方式中,所述机头开设有用于喷射所述机头内的气流的喷嘴。 [0014] In some embodiments, the head defines a nozzle for injecting the gas flow within the handpiece.

[0015] 本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。 [0015] Additional aspects and advantages of the invention will be set forth in part in the description which follows, from the following description in part be apparent from, or learned by practice of the present invention.

附图说明 BRIEF DESCRIPTION

[0016] 本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解,其中: [0016] The foregoing and / or additional aspects and advantages of the present invention will become from the description in conjunction with the accompanying drawings of the embodiments apparent and more readily appreciated below, wherein:

[0017]图1是根据本发明较佳实施方式的用于无叶风扇的基座的结构示意图。 [0017] FIG. 1 is a schematic structural diagram of a bladeless fan base according to the preferred embodiment of the present invention.

具体实施方式 detailed description

[0018]下面详细描述本发明的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。 [0018] Example embodiments of the present invention is described in detail below, exemplary embodiments of the embodiment shown in the accompanying drawings, wherein same or similar reference numerals designate the same or similar elements or elements having the same or similar functions. 下面通过参考附图描述的实施例是示例性的,仅用于解释本发明,而不能理解为对本发明的限制。 By following with reference to the embodiments described are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0019] 在本发明的描述中,需要理解的是,术语〃中心〃、〃纵向〃、〃横向〃、〃长度〃、〃宽度〃、〃厚度〃、〃上〃、〃下〃、〃前〃、〃后〃、〃左〃、〃右〃、〃竖直〃、〃水平〃、〃顶〃、〃底〃、〃内〃、〃外〃、〃 顺时针〃、〃逆时针〃等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、 以特定的方位构造和操作,因此不能理解为对本发明的限制。 [0019] In the description of the present invention, it is to be understood that the term 〃 center 〃, 〃 longitudinal 〃, 〃 lateral 〃, 〃 length 〃, 〃 width 〃, 〃 thickness 〃, 〃 the 〃, 〃 under 〃 front 〃 〃 after 〃 〃, 〃 〃 left, and right 〃 〃, 〃 〃 vertical, horizontal 〃 〃, 〃 〃 top, bottom 〃 〃, 〃 〃 inner, outer 〃 〃, 〃 〃 clockwise, counterclockwise 〃 〃 etc., indicate orientation or the orientation or positional relationship based on the positional relationship shown in the drawings, for convenience of description only and the present invention is to simplify the description, but does not indicate or imply that the device or element referred to must have a particular orientation, the orientation in a particular configuration and operation, can not be construed as limiting the present invention. 此外,术语〃第一〃、〃第二〃仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐合指明所指示的技术特征的数量。 Furthermore, the terms first 〃 〃, 〃 〃 second for descriptive purposes only, and not intended to indicate or imply relative importance or the number of hidden technical features specified in the indicated bonding. 由此,限定有〃第一〃、〃第二〃的特征可以明示或者隐合地包括一个或者更多个所述特征。 Thus, there is defined a first 〃 〃, the second 〃 〃 features may be explicitly or implicitly together comprise the one or more features. 在本发明的描述中,〃多个〃的含义是两个或两个以上,除非另有明确具体的限定。 In the description of the present invention, the plurality of meaning 〃 〃 is two or more, unless specifically defined otherwise specifically.

[0020] 在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语〃安装〃、〃相连〃、〃连接〃应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接。 [0020] In the description of the present invention, it is noted that, unless otherwise expressly specified or limited, the term & 〃 〃 installation, connected 〃 〃, 〃 〃 connection to be broadly understood, for example, may be a fixed connection, may be a detachable connection, or integrally connected. 可以是机械连接,也可以是电连接。 It may be a mechanical connector may be electrically connected. 可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。 May be directly connected, it can also be connected indirectly via an intermediate medium, or may be an interaction between two communicating elements inside the two elements. 对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。 Those of ordinary skill in the art, to be understood that the specific meanings in the present invention depending on the circumstances.

[0021] 在本发明中,除非另有明确的规定和限定,第一特征在第二特征之〃上〃或之〃下〃 可以包括第一和第二特征直接接触,也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。 [0021] In the present invention, unless otherwise expressly specified or limited, or the first feature on the 〃 〃 〃 〃 the second feature may include a first feature and a second direct contact, and may also include a first the second feature is not in direct contact, but the contact by the additional features therebetween. 而且,第一特征在第二特征〃之上〃、〃上方〃和〃上面〃包括第一特征在第二特征正上方和斜上方,或仅仅表示第一特征水平高度高于第二特征。 Also, the first feature on the second feature 〃 〃, 〃 〃 above and comprising 〃 〃 above and obliquely upward directly above the first feature a second feature, or only represents a first characteristic level is higher than the height of the second feature. 第一特征在第二特征〃之下〃、〃下方〃和〃下面〃包括第一特征在第二特征正上方和斜上方,或仅仅表示第一特征水平高度小于第二特征。 Under the first feature a second feature 〃 〃, 〃 〃 below and include 〃 〃 below and obliquely upward directly above the first feature a second feature, or just less than the level represented by the first feature a second feature.

[0022] 下文的公开提供了许多不同的实施例或例子用来实现本发明的不同结构。 [0022] The following disclosure provides many different embodiments or examples to achieve different structures of the present invention. 为了简化本发明的公开,下文中对特定例子的部件和设置进行描述。 To simplify the disclosure of the present invention, be described hereinafter and the members of the specific examples provided. 当然,它们仅仅为示例,并且目的不在于限制本发明。 Of course, they are only illustrative, and are not intended to limit the present invention. 此外,本发明可以在不同例子中重复参考数字和/或参考字母,这种重复是为了简化和清楚的目的,其本身不指示所讨论各种实施例和/或设置之间的关系。 Further, the present disclosure may repeat reference numerals in different embodiments and / or the reference letters This repetition is for the purpose of simplicity and clarity, and does not indicate a relationship between the embodiments and / or arrangements being discussed. 此外,本发明提供了的各种特定的工艺和材料的例子,但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。 Further, the present invention provides various specific examples of materials and processes, but one of ordinary skill in the art may be appreciated that other processes and applications and / or other materials.

[0023] 请参阅图1,本发明较佳实施方式的用于无叶风扇的基座10,包括壳体12及动力系统14。 [0023] Referring to FIG. 1, the preferred embodiment of the present invention for a bladeless fan base 10, includes a housing 12 and power system 14. 动力系统14收容于壳体12内,动力系统14包括叶轮外壳140、叶轮142及电机144。 Power system 14 is housed in the casing 12, power system 14 includes an impeller housing 140, impeller 142 and motor 144. 叶轮外壳140架设在壳体12上,叶轮142设置在叶轮外壳140内,电机144用于驱动叶轮142,叶轮外壳140形成有回流腔146以防止气流回流。 The impeller housing 140 erected on the housing 12, the impeller 142 is disposed within an impeller housing 140, a motor 144 for driving the impeller 142, the impeller housing 140 is formed with a cavity 146 to prevent reflux stream reflux.

[0024]本发明较佳实施方式的用于无叶风扇的基座⑺,由于叶轮外壳140形成有回流fe 146,回流腔146能防止气流回流,从而降低由于气流回流造成的噪声。 Base ⑺ [0024] preferred embodiment of the present invention for non-leaf fan, since the wheel housing 140 is formed with a reflux Fe 146, flashback chamber 146 can be prevented reflux stream, thereby reducing noise due to airflow caused by reflux.

[0025]在本实施方式中,壳体12上形成有第一进气口120,叶轮142下方形成有第二进气口148,回流腔146用于引导气体从第一进气口120进入第二进气口148。 [0025] In the present embodiment, the housing 12 is formed with a first intake port 120, an impeller 142 is formed below the second intake port 148, 146 for guiding the flashback chamber from the first gas into the first intake port 120 two intake ports 148.

[0026]如此,通过回流腔丨46可引导气流从第一进气口120进入第二进气口148,在叶轮142的高速旋转下形成向上运动的高速气流,且回流腔146能防止气流回流,减少噪声。 [0026] Thus, by Shu flash chamber 46 may be directed airflow into the second intake port 148 from the first intake port 120, a high velocity gas stream moving upwards at high speed rotation of the impeller 142, and the flash chamber 146 can be prevented reflux stream reduce noise.

[0027]在本实施方式中,第一进气口120沿壳体12的圆周方向分布,第一进气口120环状包围回流腔146,回流腔146位于第二进气口148的正下方。 [0027] In the present embodiment, the first intake port 120 in the circumferential direction of the housing 12 of the distribution, the first intake port 120 surrounds the annular flashback chamber 146, the chamber 146 is located directly below reflux inlet port 148 of the second . 其中,第一进气口120由多个圆孔组成且呈格栅状。 Wherein the first intake port 120 and is composed of a plurality of circular holes in a grid shape.

[0028]如此,回流腔146能较好地引导气流从第一进气口120进入第二进气口148。 [0028] Thus, the flashback chamber 146 can better direct airflow into the second intake port 148 from the first intake port 120.

[0029] 在本实施方式中,回流腔146形成于叶轮外壳140的底端,回流腔146基本呈上窄下宽的喇叭状。 Bottom [0029] In the present embodiment, the flashback chamber 146 is formed in the impeller housing 140, flashback chamber 146 goes substantially trumpet-shaped narrow width.

[0030] 如此,回流腔14 6基本呈上窄下宽的喇叭状,能有效地防止气流回流,从而降低由于气流回流造成的噪声。 [0030] Thus, the flashback chamber 146 substantially wide mouth of the horn, can effectively prevent reflux stream, thereby reducing noise due to airflow caused by reflux.

[0031] 在本实施方式中,回流腔146与叶轮外壳140—体成型。 [0031] In the present embodiment, the flashback chamber 146 and the impeller housing 140- shaping.

[0032] 如此,减少装配工序,安装拆卸方便,提高生产效率,且提高叶轮外壳140的抗冲击力与稳定性。 [0032] Thus, to reduce the assembly process, easy installation and removal, improve production efficiency, and to improve the impact resistance and stability of the impeller housing 140.

[0033]在本实施方式中,动力系统14还包括扩压器14a,扩压器14a设于叶轮142产生的气流的下游,扩压器14a与叶轮外壳140连接。 [0033] In the present embodiment, the power system 14 further comprises a downstream diffuser 14a, the air flow 14a provided in the diffuser of the impeller 142 generated, diffuser 14a is connected to the impeller housing 140.

[0034]如此,基座10内设有扩压器14a可对叶轮142产生的高速气流进行增压、减速,引导高压气流向上运动。 [0034] Thus, the base 10 equipped with a diffuser 14a may be pressurized to the high-speed flow of the impeller 142 generated by the deceleration, the upward movement of the guide high pressure gas stream.

[0035] 在本实施方式中,电机144外形成有用于固定电机144的电机外壳14b,电机144及电机外壳14b设于扩压器14a与叶轮142之间,电机外壳14b与叶轮外壳140连接。 [0035] In the present embodiment, the outer motor housing 144 is formed with a motor 14b, the motor 144 and the motor housing 144 to fix the motor 14b provided between the diffuser 142 and the impeller 14a, 14b and the motor housing 140 is connected to the impeller housing.

[0036] 如此,电机外壳14b将电机144定位并支撑电机144,避免了电机144在基座10内晃动造成损坏。 [0036] Thus, the motor 14b of the motor housing 144 and is positioned to support the motor 144, the motor 144 to avoid sloshing damage within the base 10.

[0037]具体地,壳体12自内表面形成有环状承靠部122,动力系统14架设在承靠部122上, 叶轮外壳140卡接在承靠部122上。 [0037] In particular, since the inner surface of the housing 12 is formed by an annular bearing 122, the power system portion 14 erected on the supporting portion 122, an impeller housing 140 snap in against the supporting portion 122.

[0038] 本发明较佳实施方式的无叶风扇,包括机头及上述任一实施方式的基座10,基座10与机头连通以将叶轮142产生的气流送入机头。 [0038] bladeless fan preferred embodiment of the present invention, comprising a head and a base 10 in any preceding embodiment, the base 10 communicates with the handpiece to produce gas stream 142 is fed to the impeller nose.

[0039] 本实用新型较佳实施方式的无叶风扇,由于叶轮外壳140形成有回流腔146,回流腔146能防止气流回流,从而降低由于气流回流造成的噪声。 [0039] The preferred embodiment of the present invention bladeless fan embodiment, since the housing 140 is formed with a reflux impeller chamber 146, the chamber 146 can be prevented reflux reflux stream, thereby reducing noise due to airflow caused by reflux.

[0040] 在本实施方式中,基座10与机头之间设有通风管以将叶轮142产生的气流送入机头。 [0040] In the present embodiment, the base 10 is provided between the head and the vent tube 142 to produce gas stream is fed to the impeller nose.

[0041] 如此,通过通风管连接基座10与机头以将基座10产生的高压气流送入机头内。 [0041] Thus, the base 10 and the head pipe is connected to a high pressure gas stream through the ventilation produced by the base 10 into the nose.

[0042] 在本实施方式中,机头开设有用于喷射机头内的气流的喷嘴。 [0042] In the present embodiment, the head defines a nozzle for air flow in the jet head.

[0043] 如此,机头内的高压气流可从喷嘴中喷射出来。 [0043] Thus, the high pressure air flow within the head can be ejected from the nozzle.

[0044] 具体地,基座10基本呈圆柱形,壳体12开设有第一进气口120处向外凸出以增大收容气体的空间从而增大进风量。 [0044] Specifically, the base 10 is substantially cylindrical, the housing 12 defines a first intake port 120 projecting outwardly to increase the space receiving the gas to thereby increase the amount of wind. 通风管与基座10的上端及机头的下端密封连接。 Vent tube and the upper and lower head base 10 sealed connection. 机头基本呈环形,机头的前端开设有喷嘴,喷嘴呈缝隙状且缝隙宽度为1mm〜1.5mm左右。 Substantially annular head, the front end of the handpiece defines a nozzle slot-shaped form and a slit width of about 1mm~1.5mm. 基座10的叶牝骨速堀转广生的尚速气流经过扩压器14a的增压、减速进入通风管,通过通风管进入机头的空腔内,机头的空腔内的高压气流通过机头的喷嘴喷射出来,并卷吸机头周围的空气形成风。 Female leaf bone Hori transfer speed of the base 10 is still Kwong Sang supercharger speed gas flow through the diffuser 14a, the deceleration into the vent tube, through the vent tube into the cavity of the handpiece, the handpiece high pressure gas stream within the cavity ejected through the nozzle head, and the entrainment of air surrounding the forming head wind.

[0045] ^本说明书的描述中,参考术语〃一个实施方式〃、〃一些实施方式〃、〃示意性实施方式〃、〃示例〃、〃具体示例〃、或〃一些示例〃等的描述意指结合实施方式或示例描述的具体特征、^构4£料或者特点包含于本发明的至少一个实施方式或示例中。 [0045] ^ described in the present specification, an embodiment with reference to the term 〃 〃, 〃 〃 some embodiments, exemplary embodiments 〃 〃, 〃 〃 example, a specific example is described 〃 〃, 〃 some examples, or the like is meant 〃 embodiment or exemplary embodiments described in conjunction with a particular feature, structure. 4 £ ^ material, or characteristic is included in at least one embodiment of the present invention or embodiment examples. 在本说明书中,对上述术语的示意性表述不一定指的是相同的实施方式或示例。 In the present specification, a schematic representation of the above terms necessarily referring to the same embodiment or example. 而且,描述的具体特征、结构、材料或者特点雜_—个或多个麵方麵示例巾以合励方式结合。 Furthermore, the particular features, structures, materials, or characteristics of one or more heteroatoms _- exemplary aspects of the towel surfaces to encourage bonding incorporated.

[〇〇46^尽管己经示出和描述了本发明的实施方式,本领域的普通技术人员可以理解:在不脱尚本发明的原理和宗旨的情况下可以对这些实施方式进行多种变化、修改、替换和变型,本发明的范围由权利要求及其等同物限定。 [^ Although 〇〇46 have shown and described embodiments of the present invention, those of ordinary skill in the art can be appreciated: that various changes may be made in these embodiments without off yet the principles and spirit of the present invention is , modifications, substitutions and modifications, the scope of the invention as defined by the appended claims and their equivalents.

Claims (9)

  1. 1. 一种用于无叶风扇的基座,其特征在于,包括: 壳体,所述壳体上形成有第一进气口,所述壳体呈圆柱形并在开设有所述第一进气口处沿径向向外凸出;及收容于所述壳体内的动力系统,所述动力系统包括架设在所述壳体上的叶轮外壳、设置在所述叶轮外壳内的叶轮,及用于驱动所述叶轮的电机,所述叶轮外壳形成有回流腔以防止气流回流; 所述叶轮外壳的底段向内及向上弯曲形成所述回流腔和开口被所述叶轮的底段直接遮挡的环形凹槽。 CLAIMS 1. A bladeless fan base, characterized in that, comprising: a housing, said housing is formed with a first intake port, said housing has a cylindrical shape and defines the first the air inlet projecting radially outwardly; and to the power system housed within the housing, the power system comprising a set up in the housing of the impeller housing, an impeller disposed within the impeller housing, and a motor for driving the impeller, the impeller housing is formed with a cavity to prevent reflux stream reflux; the bottom section of the impeller casing inwardly and upwardly bent form the return chamber and the impeller bottom opening is occluded segment directly annular groove.
  2. 2. 根据权利要求1所述的用于无叶风扇的基座,其特征在于,所述壳体上形成有第一进气口,所述叶轮下方形成有第二进气口,所述回流腔用于引导气体从所述第一进气口进入所述第二进气口。 2. The base according to claim bladeless fan of claim 1, wherein said intake port is formed on a first housing, a second intake port formed below the impeller, the return the chamber for directing gas into the second intake port from the first intake port.
  3. 3. 根据权利要求2所述的用于无叶风扇的基座,其特征在于,所述第一进气口沿所述壳体的圆周方向分布,所述第一进气口环状包围所述回流腔,所述回流腔位于所述第二进气口的正下方。 3. The base of the bladeless fan to claim 2, characterized in that the first intake housing rim a circumferential direction of the profile, the first intake port surrounded by an annular said flashback chamber, said flash chamber is located directly below the second intake port.
  4. 4. 根据权利要求1所述的用于无叶风扇的基座,其特征在于,所述回流腔形成于所述叶轮外壳的底端,所述回流腔基本呈上窄下宽的喇叭状。 4. A base according to claim bladeless fan according to claim 1, characterized in that the return chamber is formed between the bottom of the impeller housing, said flash chamber base has a wide mouth of the horn.
  5. 5. 根据权利要求1所述的用于无叶风扇的基座,其特征在于,所述动力系统还包括扩压器,所述扩压器设于所述叶轮产生的气流的下游,所述扩压器与所述叶轮外壳连接。 The free base of the fan blade according to claim 1, wherein said power system further comprises a diffuser, a diffuser disposed downstream of the air flow generated by the impeller, the diffuser is connected to the impeller housing.
  6. 6. 根据权利要求5所述的用于无叶风扇的基座,其特征在于,所述电机外形成有用于固定所述电机的电机外壳,所述电机及所述电机外壳设于所述扩压器与所述叶轮之间,所述电机外壳与所述叶轮外壳连接。 6. A base according to claim bladeless fan of claim 5, wherein said motor is formed outside the motor housing for fixing the motor, the motor and the motor housing is provided on the diffuser pressure between the impeller, said impeller housing and the motor housing is connected.
  7. 7. —种无叶风扇,其特征在于,包括: 机头;及如权利要求1〜6任意一项所述的用于无叶风扇的基座,所述基座与所述机头连通以将叶轮产生的气流送入所述机头。 7. - Species bladeless fan, characterized by comprising: a handpiece; and any one of said base for non-leaf fan, the base and the communication with the handpiece of claim 1~6 the resulting gas stream into the impeller nose.
  8. 8. 根据权利要求7所述的无叶风扇,其特征在于,所述基座与所述机头之间设有通风管以将所述叶轮产生的气流送入所述机头。 8. The bladeless fan according to claim 7, characterized in that a vent pipe to the air flow into the impeller generated between the head base and the head.
  9. 9. 根据权利要求8所述的无叶风扇,其特征在于,所述机头开设有用于喷射所述机头内的气流的喷嘴。 9. The bladeless fan according to claim 8, wherein said head defines a nozzle for injecting the gas flow within the handpiece.
CN 201510279825 2015-05-27 2015-05-27 A base and a non-leaf fan bladeless fan CN104819132B (en)

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CN101852214A (en) * 2009-03-04 2010-10-06 戴森技术有限公司 Fan assembly
CN102900653A (en) * 2011-07-27 2013-01-30 戴森技术有限公司 Fan assembly
CN103375390A (en) * 2012-04-19 2013-10-30 戴森技术有限公司 Fan assembly
CN203272265U (en) * 2010-10-18 2013-11-06 戴森技术有限公司 Fan assemblies and nozzle for same
CN204755395U (en) * 2015-05-27 2015-11-11 广东美的环境电器制造有限公司 A base and bladeless fan for bladeless fan

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GB2478926B (en) * 2010-03-23 2016-09-28 Dyson Technology Ltd Portable Fan Assembly with Detachable Filter Unit
CN204219451U (en) * 2014-10-10 2015-03-25 胡积献 Aroma odor removal machine

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Publication number Priority date Publication date Assignee Title
CN101852214A (en) * 2009-03-04 2010-10-06 戴森技术有限公司 Fan assembly
CN203272265U (en) * 2010-10-18 2013-11-06 戴森技术有限公司 Fan assemblies and nozzle for same
CN102900653A (en) * 2011-07-27 2013-01-30 戴森技术有限公司 Fan assembly
CN202833050U (en) * 2011-07-27 2013-03-27 戴森技术有限公司 Fan component
CN103375390A (en) * 2012-04-19 2013-10-30 戴森技术有限公司 Fan assembly
CN204755395U (en) * 2015-05-27 2015-11-11 广东美的环境电器制造有限公司 A base and bladeless fan for bladeless fan

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