WO2017088431A1 - 离心风机电风扇 - Google Patents

离心风机电风扇 Download PDF

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Publication number
WO2017088431A1
WO2017088431A1 PCT/CN2016/084323 CN2016084323W WO2017088431A1 WO 2017088431 A1 WO2017088431 A1 WO 2017088431A1 CN 2016084323 W CN2016084323 W CN 2016084323W WO 2017088431 A1 WO2017088431 A1 WO 2017088431A1
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Prior art keywords
centrifugal fan
assembly
fan
motor
volute
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PCT/CN2016/084323
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English (en)
French (fr)
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赖伴来
庞亚鹏
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深圳市联创科技集团有限公司
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Publication of WO2017088431A1 publication Critical patent/WO2017088431A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids

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  • the present invention relates to a pumping device for ventilation, the working fluid being air, and more particularly to a pumping device capable of automatically changing the direction of the sent air, and more particularly to a centrifugal fan electric fan.
  • Electric fans are widely used household appliances, and current household electric fans mostly use axial fans.
  • the axial fan blade has a large air volume and a wide air supply range, but its volume is large, the wind is fierce, the noise is high, the fan blade is bare, and it is less suitable for use by young and old.
  • the wind wheel is installed in the body and is safer than the fan of the axial flow fan. should.
  • the technical problem to be solved by the present invention is to design and produce a centrifugal fan electric fan that avoids the above-mentioned deficiencies of the prior art.
  • centrifugal fan electric fan comprising a fan body, a support tube and a base, the support tube connecting the fan body and the base as a whole, the fan body including a protective shell, a centrifugal fan assembly, a fan fixing assembly, an electric motor and a transmission mechanism;
  • the support tube is connected under a side wall of the protective casing;
  • the centrifugal fan assembly comprises a volute and a wind wheel and a wind wheel motor located in the volute;
  • the fan is fixed
  • the assembly rotatably mounts the centrifugal fan assembly in the protective casing, the air outlet of the centrifugal fan assembly faces the air outlet grille at the side wall of the protective shell, and the air inlet is disposed on the side of the protective shell facing the air inlet of the centrifugal fan assembly
  • the motor is fixed on the other side of the protective casing, and the motor is connected to the centrifugal fan assembly via a transmission mechanism; the control circuit of the centrifugal
  • the fan fixing assembly includes rotating shafts disposed on two sides of the volute, and the rotating shafts are respectively inserted into the rotating shaft holes of the inner walls of the two sides of the protective casing, so that the centrifugal fan assembly is suspended from the protective casing Between the two sides.
  • the fan fixing assembly includes an annular guide rail disposed on two sides of the volute of the centrifugal fan assembly, and two guide rail slots disposed in the side wall of the protective casing and adapted to the annular guide rail;
  • the annular guide rotates along the rail groove in the protective casing.
  • the transmission mechanism is a crank rocker mechanism including a connecting rod and a crank; one end of the crank is fixed on the motor shaft, and the other end is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably Attached to the connecting post on the side of the volute of the centrifugal fan assembly.
  • the transmission mechanism is a gear transmission mechanism including a driving wheel fixed on a rotating shaft of the motor and a driven wheel fixed to a side of the volute of the centrifugal fan assembly; the driving wheel meshes with the driven wheel.
  • a sliding steel ball that reduces friction is also installed between the annular guide rail and the annular guide groove.
  • the invention has the beneficial effects of effectively expanding the air supply range while maintaining the advantages of the original centrifugal fan, and not only breaking the design of the traditional floor fan, the overall fan volume. It is also smaller than a traditional stand-up fan.
  • FIG. 1 is a schematic projection view of a centrifugal fan electric fan in each preferred embodiment of the centrifugal fan electric fan of the present invention
  • FIG. 2 is a schematic axial projection view of the separated state of the components of the centrifugal fan electric fan in the preferred embodiment 1, and an enlarged schematic view of the rotating shaft hole 62 of the inner side 111 and the inner wall of the other side surface 112;
  • FIG. 3 is a schematic axial projection view showing the separated state of the centrifugal fan assembly 5, the fan fixing member assembly 6, the motor 7 and the transmission mechanism 8 in the preferred embodiment 1;
  • Figure 4 is a left side elevational view of the centrifugal fan of the preferred embodiment 1;
  • Figure 5 is a cross-sectional view of the portion A-A of Figure 4.
  • Figure 6 is a front elevational rear view of the centrifugal fan electric fan of the preferred embodiment 1, wherein the arrow indicates the direction of the air inlet;
  • Figure 7 is a cross-sectional view of the portion B-B of Figure 6, in which the arrow indicates the direction of the wind;
  • Figure 8 is a schematic axial projection view showing the separated state of the centrifugal fan assembly 5, the fan fixing member assembly 6, the motor 7 and the transmission mechanism 8 in the preferred embodiment 2;
  • Figure 9 is a schematic axial projection view showing the separated state of the components of the centrifugal fan electric fan in the third preferred embodiment
  • FIG. 10 is a schematic perspective view showing the separation state of the centrifugal fan assembly 5, the fan fixing member assembly 6, the motor 7 and the transmission mechanism 8 in the preferred embodiment 3;
  • Figure 11 is a schematic left side elevational view of the centrifugal fan electric fan of the preferred embodiment 3.
  • Figure 12 is a cross-sectional view of the portion C-C of Figure 12, and an enlarged schematic view of the assembly of the annular guide 65 and the guide rail groove 66;
  • Figure 13 is a schematic projection view showing the separated state of the components of the centrifugal fan assembly 5, the fan holder assembly 6, the motor 7 and the transmission mechanism 8 in the preferred embodiment 4.
  • a preferred embodiment of the present invention is to design and manufacture a centrifugal fan electric fan, comprising a fan body 1, a support tube 2 and a base 3, the support tube 2 connecting the fan body 1 and the base 3 as
  • the fan body 1 includes a protective casing 11, a centrifugal fan assembly 5, a fan fixing assembly 6, an electric motor 7 and a transmission mechanism 8
  • the support tube 2 is connected below the side wall 110 of the protective casing 11
  • the centrifugal fan assembly 5 includes a volute 50 and a wind wheel 51 and a wind turbine motor 52 located in the volute
  • the fan fixing assembly 6, that is, a rotating shaft 61 disposed on both sides of the volute, the rotating shaft 61 is respectively embedded in the protective casing
  • the inner side of the side wall 111, 112 is in the shaft hole 62, so that the centrifugal fan assembly is suspended between the side faces 111, 112 of the casing, and the air outlet 53 of the centrifugal fan assembly 5 faces the air outlet at the
  • an air inlet mesh 1111 is disposed on a side surface 111 of the protective casing 11 opposite to the air inlet 54 of the centrifugal fan assembly;
  • the motor 7 is fixed on the other side 112 of the protective casing 11;
  • 8 is a crank rocker mechanism including a link 81 and a crank 82; one end of the crank 82 is fixed to a rotating shaft of the motor 7, and the other end is rotatably coupled to one end of the link 81, and the other of the links 81 One end is rotatably coupled to the connecting post 83 on the side of the volute 50 of the centrifugal fan assembly 5.
  • crank 7 of the motor 7 drives the crank 82 of the transmission mechanism 8 to perform a circular motion, and the crank 82 transmits power to the volute 50 through the connecting rod 81, thereby driving the centrifugal fan assembly 5 to rotate about the rotating shaft 61 at both ends thereof.
  • the angle of rotation adjusts the crank rocker mechanism as needed, and the swing angle can range from 0 to 360°, which expands the air supply range.
  • a preferred embodiment 2 of the present invention is substantially similar to the first embodiment except that the transmission mechanism 8 in this embodiment employs a gear transmission mechanism, i.e., a driving pulley 85 fixed to the rotating shaft of the motor 7, and a fixed portion.
  • the driven wheel 86 on the side wall of the volute of the centrifugal fan assembly 5; the driving wheel 85 meshes with the driven wheel 86.
  • the motor 7 is energized and the centrifugal fan assembly 5 is rotated about the rotational axis 61 at its both ends under gearing.
  • the angle of rotation may be set as required by the angle of rotation of the motor 7.
  • a preferred embodiment 3 of the present invention is substantially similar to the second embodiment except that the fan fixing assembly 6 is an annular guide disposed on both sides of the volute 50 of the centrifugal fan assembly 5. 65, and a rail groove 66 disposed in the side wall 110 of the protective casing 11 to fit the annular rail; the centrifugal fan assembly 5 is rotatable within the casing 11 along the ring rail groove 66 by means of the annular guide 65. A sliding steel ball that reduces friction is also installed between the annular guide rail and the rail groove 66. The motor 7 is energized and the centrifugal fan assembly 5 is rotated along the rail slot 66 under gearing.
  • a preferred embodiment 4 of the present invention is substantially similar to the first embodiment except that the fan fixing assembly 6 is an annular guide disposed on both sides of the volute 50 of the centrifugal fan assembly 5. 65, and a rail groove 66 disposed in the side wall 110 of the shield shell 11 and adapted to the annular rail; the centrifugal fan assembly 5 is rotatable along the ring rail groove 66 in the cylindrical shield shell 11 by means of the annular rail 65 .
  • a sliding steel ball that reduces friction is also installed between the annular guide rail and the rail groove 66.
  • the crank 7 of the motor 7 drives the crank 82 of the transmission mechanism 8 to move in a circular motion, and the crank 82 transmits power to the volute 50 through the connecting rod 81, thereby driving the centrifugal fan assembly 5 to rotate along the guide rail groove 66.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种离心风机电风扇，包括风扇体（1），支撑管（2）和底座（3），支撑管（2）将风扇体（1）和底座（3）连接为整体，风扇体（1）包括圆柱形防护壳（11）、离心风机组件（5）、风机固定组件（6）、电动机（7）和传动机构（8）；离心风机组件包括蜗壳（50）和位于蜗壳内的风轮（51）和风轮电机（52）；风机固定组件（6）将离心风机组件（5）可转动地安装于防护壳内，离心风机组件的出风口53面向防护壳侧壁处的出风栅格（1100），与离心风机组件的进风口（54）正对的防护壳的侧面上有进风网孔（1110）；电动机（7）固定在防护壳（11）另一侧面上，电动机经传动机构与离心风机组件连接；控制电路控制电动机转动，并借助传动机构驱动离心风机组件作转动。在保持了原有离心风机出风大等优点的同时有效地扩大了送风范围，体积小。

Description

离心风机电风扇
技术领域 本实用新型涉及用于通风的泵送装置，工作流体是空气，特别是涉及能自动改变送出空气方向的泵送装置，尤其涉及离心风机电风扇。
背景技术 电风扇是一种广泛使用的家用电器，目前家用电风扇大多采用轴流风机。轴流扇叶风量大，送风范围广，但其体积较大，风猛，噪音高，扇叶裸露，老幼使用较不适合。另有一种塔扇，其是采用离心风机，离心风轮在形状不规则的风道中高速旋转。此类风扇风速高，但出风口面积小，送风范围也较小，但送风柔和，噪音低，其风轮设于机体内，与轴流风机的风扇相比，更安全，老幼皆宜。
实用新型内容 本实用新型要解决的技术问题在于避免上述现有技术的不足之处而设计生产的一种离心风机电风扇。
本发明为解决上述技术问题而提出的技术方案是一种离心风机电风扇，包括风扇体，支撑管和底座，所述支撑管将风扇体和底座连接为整体，所述风扇体包括防护壳、离心风机组件、风机固定组件、电动机和传动机构；所述支撑管连接在防护壳的侧壁下方；所述离心风机组件包括蜗壳和位于蜗壳内的风轮和风轮电机；所述风机固定组件将离心风机组件可转动地安装于防护壳内，离心风机组件的出风口面向防护壳侧壁处的出风栅格，与离心风机组件的进风口正对的防护壳侧面上设置有进风网孔；所述电动机固定在防护壳之另一侧面上，该电动机经传动机构与离心风机组件连接；所述离心风机电风扇的控制电路控制电动机转动，并借助传动机构驱动离心风机组件作转动。
所述风机固定组件包括设置在所述蜗壳两侧的转动轴，所述转动轴分别嵌插在所述防护壳之两侧面内壁的转轴孔内，从而使所述离心风机组件悬挂于防护壳两侧面之间。
所述风机固定组件包括设置在离心风机组件的蜗壳两侧的环形导轨，以及设置在防护壳的侧壁内的与所述环形导轨适配的两条导轨槽；所述离心风机组件可借助环形导轨在防护壳内沿轨槽转动。
所述传动机构是曲柄摇杆机构，包括连杆和曲柄；所述曲柄的一端固定在电动机转轴上，另一端可转动地与所述连杆的一端连接，该连杆的另一端可转动地连接在离心风机组件的蜗壳侧面的连接柱上。
所述传动机构是齿轮传动机构，包括固定在电动机的转轴上的主动轮和固定于离心风机组件的蜗壳之侧面的从动轮；主动轮与从动轮啮合。
所述环形导轨和环形导槽之间还安装有减小摩擦力的滑动钢珠。
同现有技术相比较，本发明的有益效果是：在保持了原有离心风机出风大等优点的同时，有效地扩大了送风范围，不仅打破了传统落地扇的外观设计，整体风扇体积也比传统的落地扇小。
附图说明 图1是本实用新型离心风机电风扇各优选实施例中离心风机电风扇的轴测投影示意；
图2是所述优选实施例一中离心风机电风扇各部件分离状态的轴测投影示意图，以及侧面111、另一侧面112内壁的转轴孔62的放大示意图；
图3是所述优选实施例一中离心风机组件5、风机固定件组件6、电动机7和传动机构8各部件分离状态的轴测投影示意图；
图4是所述优选实施例一的离心风机电风扇的正投影左视示意图；
图5是图4的A-A部的剖视示意图；
图6是所述优选实施例一的离心风机电风扇的正投影后视示意图,图中箭头表示进风方向；
图7是图6的B-B部的剖视示意图，图中箭头表示出风方向；
图8是所述优选实施例二中离心风机组件5、风机固定件组件6、电动机7和传动机构8各部件分离状态的轴测投影示意图；
图9是所述优选实施例三中离心风机电风扇各部件分离状态的轴测投影示意图；
图10是所述优选实施例三中离心风机组件5、风机固定件组件6、电动机7和传动机构8各部件分离状态的轴测投影示意图；
图11所述优选实施例三的离心风机电风扇的正投影左视示意图；
图12是图12的C-C部的剖视示意图，以及环形导轨65与导轨槽66装配放大示意图；
图13是所述优选实施例四中离心风机组件5、风机固定件组件6、电动机7和传动机构8各部件分离状态的轴测投影示意图。
具体实施方式 下面，结合各附图所示之各优选实施例进一步阐述本发明。
参见图1至7，本发明之优选实施例一是设计、制造一种离心风机电风扇，包括风扇体1，支撑管2和底座3，所述支撑管2将风扇体1和底座3连接为整体，所述风扇体1包括防护壳11、离心风机组件5、风机固定组件6、电动机7和传动机构8；所述支撑管2连接在防护壳11的侧壁110下方；所述离心风机组件5包括蜗壳50和位于蜗壳内的风轮51和风轮电机52；所述风机固定组件6，即设置在所述蜗壳两侧的转动轴61，转动轴61分别嵌插在防护壳 11之侧面111、112内壁的转轴孔62内，从而使所述离心风机组件悬挂于防护壳侧面111、112之间，离心风机组件5的出风口53面向防护壳11侧壁110处的出风栅格1100，与离心风机组件的进风口54正对的防护壳11的侧面111上设置有进风网孔1110；所述电动机7固定在防护壳11之另一侧面112上；所述传动机构8是包括连杆81和曲柄82的曲柄摇杆机构；所述曲柄82的一端固定在电动机7的转轴上，另一端可转动地与所述连杆81的一端连接，该连杆81的另一端可转动地连接在离心风机组件5的蜗壳50之侧面的连接柱83上。
当所述离心风机电风扇通电，离心风机组件5的风轮电机52、电动机7工作。风轮51在风轮电动机52的带动下，在蜗壳50内高速旋转，送风经过蜗壳50的出风口53吹出，经由防护壳侧壁110的出风栅格1100，送风至扇体外，参见图7斜向上的虚线箭头所示。此时扇体1内外形成负压，新的空气从圆柱形防护壳11的侧面111上的进风口1110被吸入机体内，风向参见图6中虚线箭头所示。同时，电动机7转轴带动传动机构8的曲柄82作圆周运动，曲柄82通过连杆81将动力传递给蜗壳50，从而带动离心风机组件5绕其两端的转动轴61转动。转动的角度根据需要调整曲柄摇杆机构，摆角范围可为0～360°，扩大了送风范围。
参见图1和图8，本发明之优选实施例二，与实施例一基本相似，其不同在于本例中传动机构8采用齿轮传动机械，即固定在电动机7的转轴上的主动轮85和固定于离心风机组件5的蜗壳侧壁上的从动轮86；主动轮85与从动轮86啮合。电动机7通电工作，离心风机组件5在齿轮传动下绕其两端的转动轴61转动。转动的角度根据需要设定电动机7的转动角度即可。
参见图9和图12，本发明之优选实施例三，与实施例二基本相似，其不同在于本例中所述风机固定组件6是设置在离心风机组件5的蜗壳50两侧的环形导轨65，以及设置在防护壳11的侧壁110内的与所述环形导轨适配的导轨槽66；所述离心风机组件5可借助环形导轨65在防护壳11内沿环导轨槽66转动。所述环形导轨和导轨槽66之间还安装有减小摩擦力的滑动钢珠。电动机7通电工作，离心风机组件5在齿轮传动下沿着导轨槽66作转动。
参见图1和图13，本发明之优选实施例四，与实施例一基本相似，其不同在于本例中所述风机固定组件6是设置在离心风机组件5的蜗壳50两侧的环形导轨65，以及设置在防护壳11的侧壁110内的与所述环形导轨适配的导轨槽66；所述离心风机组件5可借助环形导轨65在圆柱形防护壳11内沿环导轨槽66转动。所述环形导轨和导轨槽66之间还安装有减小摩擦力的滑动钢珠。电动机7转轴带动传动机构8的曲柄82作圆周运动，曲柄82通过连杆81将动力传递给蜗壳50，从而带动离心风机组件5沿着导轨槽66作转动。

Claims (6)

  1. 一种离心风机电风扇，包括风扇体，支撑管和底座，所述支撑管将风扇体和底座连接为整体，其特征在于：
    所述风扇体包括防护壳、离心风机组件、风机固定组件、电动机和传动机构；所述支撑管连接在防护壳的侧壁下方；所述离心风机组件包括蜗壳和位于蜗壳内的风轮和风轮电机；所述风机固定组件将离心风机组件可转动地安装于防护壳内，离心风机组件的出风口面向防护壳侧壁处的出风栅格，与离心风机组件的进风口正对的防护壳的侧面上设置有进风网孔；所述电动机固定在防护壳之另一侧面上，该电动机经传动机构与离心风机组件连接；所述离心风机电风扇的控制电路控制电动机转动，并借助传动机构驱动离心风机组件作转动。
  2. 按照权利要求1所述离心风机电风扇，其特征在于：
    所述风机固定组件包括设置在所述蜗壳两侧的转动轴，所述转动轴分别嵌插在所述防护壳之侧面内壁的转轴孔内，从而使所述离心风机组件悬挂于防护壳两侧面之间。
  3. 按照权利要求1所述离心风机电风扇，其特征在于：
    所述风机固定组件包括设置在离心风机组件的蜗壳两侧的环形导轨，以及设置在防护壳的侧壁内的、与所述环形导轨适配的两条导轨槽；所述离心风机组件可借助环形导轨在防护壳内沿轨槽转动。
  4. 按照权利要求1所述离心风机电风扇，其特征在于：
    所述传动机构是曲柄摇杆机构，包括连杆和曲柄；所述曲柄的一端固定在电动机转轴上，另一端可转动地与所述连杆的一端连接，该连杆的另一端可转动地连接在离心风机组件的蜗壳侧面的连接柱上。
  5. 按照权利要求1所述离心风机电风扇，其特征在于：
    所述传动机构是齿轮传动机械，包括固定在电动机的转轴上的主动轮和固定于离心风机组件的蜗壳之侧壁上的从动轮；主动轮与从动轮啮合。
  6. 按照权利要求3所述离心风机电风扇，其特征在于：
    所述环形导轨和环形导槽之间还安装有减小摩擦力的滑动钢珠。
PCT/CN2016/084323 2015-11-23 2016-06-01 离心风机电风扇 WO2017088431A1 (zh)

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CN110185645A (zh) * 2019-07-01 2019-08-30 珠海格力电器股份有限公司 塔扇

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6458955A (en) * 1987-08-31 1989-03-06 Matsushita Seiko Kk Wind direction controller
CN2731150Y (zh) * 2004-08-25 2005-10-05 吴敬开 一种内摆式调节送风方向的大厦式风扇
JP2006063948A (ja) * 2004-08-30 2006-03-09 Naoya Kiriyama 扇風機
CN202946423U (zh) * 2012-10-26 2013-05-22 深圳市联创电器实业有限公司 家用离心式电风扇

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6458955A (en) * 1987-08-31 1989-03-06 Matsushita Seiko Kk Wind direction controller
CN2731150Y (zh) * 2004-08-25 2005-10-05 吴敬开 一种内摆式调节送风方向的大厦式风扇
JP2006063948A (ja) * 2004-08-30 2006-03-09 Naoya Kiriyama 扇風機
CN202946423U (zh) * 2012-10-26 2013-05-22 深圳市联创电器实业有限公司 家用离心式电风扇

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