WO2015062127A1 - 一种外转子电机驱动的鼓风机 - Google Patents

一种外转子电机驱动的鼓风机 Download PDF

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Publication number
WO2015062127A1
WO2015062127A1 PCT/CN2013/087232 CN2013087232W WO2015062127A1 WO 2015062127 A1 WO2015062127 A1 WO 2015062127A1 CN 2013087232 W CN2013087232 W CN 2013087232W WO 2015062127 A1 WO2015062127 A1 WO 2015062127A1
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WO
WIPO (PCT)
Prior art keywords
outer rotor
rotor motor
rotating shaft
mounting bracket
wind wheel
Prior art date
Application number
PCT/CN2013/087232
Other languages
English (en)
French (fr)
Inventor
付桂文
王雄程
Original Assignee
中山大洋电机制造有限公司
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Filing date
Publication date
Application filed by 中山大洋电机制造有限公司 filed Critical 中山大洋电机制造有限公司
Publication of WO2015062127A1 publication Critical patent/WO2015062127A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • 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
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings

Definitions

  • the utility model relates to an air blower driven by an outer rotor motor.
  • the existing air blower includes a fan volute A, a centrifugal wind wheel ⁇ an outer rotor motor C, a mounting flange 0, a connecting plate E and a plurality of mounting brackets F, and the centrifugal wind wheel B is mounted on the fan volute A.
  • the outer rotor motor C is installed in the middle of the cavity of the centrifugal wind wheel B.
  • an air inlet communicating with the cavity is arranged, and the outer side of the air inlet is arranged on the end surface of the fan volute A.
  • the bracket F and the rotating shaft C 1 of the outer rotor motor are respectively supported on the mounting brackets F at both ends of the fan volute A, the mounting flange D is nested on the outer surface of the outer rotor motor C, and the mounting flange D passes through the connecting plate E and
  • the centrifugal rotor B is fixedly connected together, but the blower of this structure has the following problems: 1) The outer rotor motor has low efficiency and generates a small amount of air; 2) the installation of the blower is troublesome and the production efficiency is low; 3) the blower is The noise generated during the operation is large; 4) There are many parts required and the production cost is high.
  • the purpose of the utility model is to provide an air blower driven by an outer rotor motor.
  • the structure is simple, easy to install and low in cost, and the working efficiency of the outer rotor motor is high, and the air volume generated by the air blower is large and the noise is small.
  • An outer rotor motor driven blower comprises a fan volute, a centrifugal wind wheel, an outer rotor motor, a plurality of mounting brackets and a connecting plate, and a cavity for accommodating the centrifugal wind wheel is arranged in the middle of the fan volute, at both ends of the fan volute An air inlet is arranged, the air inlet is in communication with the cavity, and the centrifugal wind wheel is installed in the cavity.
  • the outer rotor motor comprises a rotating shaft, a stator assembly, a rotor assembly and an end cover, the stator assembly is mounted on the rotating shaft, and the rotor assembly is nested in the Outside the stator assembly, the end cover is mounted at the end of the rotor assembly, and the rotating shaft 7
  • a mounting bracket is arranged on the end surface of the shell, and the two ends of the rotating shaft are respectively supported on the mounting brackets at both ends of the fan volute.
  • the connecting plate is installed in the centrifugal wind wheel and forms two independent capacities in the centrifugal wind wheel.
  • the inner cavity and the outer rotor motor are located inside the receiving cavity on one side of the centrifugal wind wheel, and a through hole is opened in the middle of the connecting plate, and one end of the rotating shaft of the outer rotor motor passes through the through hole, and the end cover is fixedly connected with the connecting plate.
  • the connecting plate described above is provided with a plurality of mounting holes
  • the end cover is provided with a plurality of screw holes, and the screws are screwed into the mounting holes and the screw holes to fix and connect the connecting plate and the end cover together.
  • the mounting bracket described above includes a first mounting bracket and a second mounting bracket, and a rotating shaft passing through the through hole passes through the first mounting bracket 7
  • the outer rotor motor described above is an AC outer rotor motor, and the rotor assembly is a cast aluminum core AC rotor.
  • the outer rotor motor described above is a direct current brushless permanent magnet synchronous outer rotor motor.
  • the DC brushless permanent magnet synchronous outer rotor motor described above further comprises a motor controller, the shaft shaft is provided with a shaft hole, and the motor lead wire is electrically connected from the shaft hole to the motor controller.
  • the utility model has the following effects: 1) a cavity for accommodating the centrifugal wind wheel is arranged in the middle of the fan volute, an air inlet is arranged at both ends of the fan volute, and the air inlet is connected with the cavity, and the centrifugal wind
  • the outer rotor motor comprises a rotating shaft, a stator assembly, a rotor assembly and an end cover, the stator assembly is mounted on the rotating shaft, the rotor assembly is nested outside the stator assembly, and the end cover is mounted at the end of the rotor assembly,
  • the rotating shaft is supported on the bearings of the two end covers and protrudes outward from the two end covers.
  • the two end covers and the rotor assembly can rotate together, and a mounting bracket is arranged on the outer side of the air inlet and on the end surface of the fan volute, and the two ends of the rotating shaft are respectively supported by the fan.
  • the connecting plate is installed inside the centrifugal wind wheel and forms two independent receiving chambers in the centrifugal wind wheel.
  • the outer rotor motor is located in the receiving cavity on one side of the centrifugal wind wheel, and the connecting plate is opened in the middle.
  • the mounting plate is provided with a plurality of mounting holes, and the end cover is provided with a plurality of screw holes, and the screws are screwed into the installation.
  • the hole and the screw hole fix and connect the connecting plate and the end cover together, the structure is simple, and the installation is convenient and firm; 3) passing through the through hole
  • the one end shaft is supported on the fan volute through the first mounting bracket, and the other end of the rotating shaft is supported on the second mounting bracket.
  • the second mounting bracket is supported on the fan volute by a plurality of mounting posts, thereby increasing the installation space of the outer rotor motor.
  • the space for the outer rotor motor mounted on the side of the centrifugal rotor provides space conditions; 4) the shaft shaft is provided with a shaft hole, and the motor lead is electrically connected from the shaft hole to the motor controller, and the structure is single and connected.
  • the cylinder is convenient for controlling the external rotor motor.
  • Figure 1 is a cross-sectional view showing the structure of a conventional air blower
  • Figure 2 is a perspective view of the air blower of the first embodiment
  • Figure 3 is a perspective view of another angle of the blower of the present invention.
  • Figure 4 is an exploded view of the blower of the present invention.
  • Figure 5 is a front view of the air blower of the present invention.
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 5;
  • Figure 7 is a perspective view of the outer rotor motor of the present invention.
  • Figure 8 is an exploded view of the outer rotor motor of the present invention.
  • Figure 9 is a perspective view of the end cap of the present invention.
  • Embodiment 1 As shown in FIG. 2 to FIG. 9 , the utility model relates to an air blower driven by an outer rotor motor, comprising a fan volute, a centrifugal wind wheel 2, an outer rotor motor 3, a plurality of mounting brackets 4 and a connecting plate 5
  • the fan volute 1 is provided with a cavity 1 1 for accommodating the centrifugal wind wheel 2, and an air inlet 12 is arranged at both ends of the fan volute 1 , the air inlet 12 is connected with the cavity 1 1 , and the centrifugal wind wheel 2 is installed in the cavity 1 1
  • the outer rotor motor 3 includes a rotating shaft 31, a stator assembly 32, a rotor assembly 33 and an end cover 34.
  • the stator assembly 32 is mounted on the rotating shaft 31, and the rotor assembly 33 is nested outside the stator assembly 32.
  • the end cover 34 Mounted at the end of the rotor assembly 33, the rotating shaft 31 is supported on the bearing 35 of the two end covers 34 and protrudes outward from the two end covers 34.
  • the two end covers 34 and the rotor assembly 33 can rotate together, on the periphery of the air inlet 12, the fan worm
  • a mounting bracket 4 is arranged on the end surface of the shell 1, and the two ends of the rotating shaft 31 are respectively supported on the mounting bracket 4 at both ends of the fan volute 1
  • the connecting plate 5 is mounted in the centrifugal wind wheel 2 and forms two independent receiving chambers 21 in the centrifugal wind wheel 2.
  • the outer rotor motor 3 is located inside the receiving chamber 21 on the side of the centrifugal wind wheel 2, and the connecting plate 5 is opened in the middle.
  • the hole 51, one end of the rotating shaft 31 of the outer rotor motor 3 passes through the through hole 51, and the end cover 34 is fixedly coupled to the connecting plate 5.
  • the connecting plate 5 is provided with a plurality of mounting holes 52.
  • the end cover 34 is provided with a plurality of screw holes 341, and the screws 6 are screwed into the mounting holes 52 and the screw holes 341 to securely connect the connecting plate 5 and the end cover 34 together.
  • the mounting bracket 4 includes a first mounting bracket 41 and a second mounting bracket 42.
  • the one end shaft 31 passing through the through hole 51 passes through the first mounting bracket 41. 7 is on the fan volute 1, and the other end of the rotating shaft 31 is 7
  • On the second mounting bracket 42, the second mounting bracket 42 is connected to the rotating shaft 31 through a plurality of mounting posts 7 7 on the fan volute 1 and the first mounting bracket 41 extends into the cavity 11 of the fan volute 1 together.
  • the outer rotor motor is a DC brushless permanent magnet synchronous outer rotor motor.
  • the DC brushless permanent magnet synchronous outer rotor motor further includes a motor controller 8 , and a shaft hole 31 0 is defined in the rotating shaft 31 , and the motor lead is electrically connected from the shaft hole 31 0 to the motor controller 8 .
  • the principle of the utility model is: the connecting plate 5 is installed in the centrifugal wind wheel 2 and two independent receiving chambers 21 are formed in the centrifugal wind wheel 2, and the outer rotor motor 3 is located inside the receiving chamber 21 on the side of the centrifugal wind wheel 2, A through hole 51 is defined in the middle of the connecting plate 5, and one end of the rotating shaft 31 of the outer rotor motor 3 passes through the through hole 51, and the end cover 34 is blocked outside the through hole 51 and fixedly connected with the connecting plate 5, the structural tube Single, easy to install, low cost, high working efficiency of the outer rotor motor, the air volume generated by the blower is large, and the noise is small.
  • Embodiment 2 As shown in FIG. 3 to FIG. 9 , the utility model relates to an air blower driven by an outer rotor motor, comprising a fan volute, a centrifugal wind wheel 2, an outer rotor motor 3, a plurality of mounting brackets 4 and a connecting plate 5
  • the fan volute 1 is provided with a cavity 1 1 for accommodating the centrifugal wind wheel 2, and an air inlet 12 is arranged at both ends of the fan volute 1 , the air inlet 12 is connected with the cavity 1 1 , and the centrifugal wind wheel 2 is installed in the cavity 1 1
  • the outer rotor motor 3 includes a rotating shaft 31, a stator assembly 32, a rotor assembly 33 and an end cover 34.
  • the stator assembly 32 is mounted on the rotating shaft 31, and the rotor assembly 33 is nested outside the stator assembly 32.
  • the end cover 34 Mounted at the end of the rotor assembly 33, the rotating shaft 31 is supported on the bearing 35 of the two end covers 34 and protrudes outward from the two end covers 34.
  • the two end covers 34 and the rotor assembly 33 can rotate together, on the periphery of the air inlet 12, the fan worm
  • a mounting bracket 4 is arranged on the end surface of the shell 1, and the two ends of the rotating shaft 31 are respectively supported on the mounting bracket 4 at both ends of the fan volute 1
  • the connecting plate 5 is mounted in the centrifugal wind wheel 2 and forms two independent receiving chambers 21 in the centrifugal wind wheel 2.
  • the outer rotor motor 3 is located inside the receiving chamber 21 on the side of the centrifugal wind wheel 2, and the connecting plate 5 is opened in the middle.
  • the hole 51, one end of the rotating shaft 31 of the outer rotor motor 3 passes through the through hole 51, and the end cover 34 is fixedly coupled to the connecting plate 5.
  • the connecting plate 5 is provided with a plurality of mounting holes 52.
  • the end cover 34 is provided with a plurality of screw holes 341, and the screws 6 are screwed into the mounting holes 52 and the screw holes 341 to fixably connect the connecting plate 5 and the end cover 34 together.
  • the mounting bracket 4 includes a first mounting bracket 41 and a second mounting bracket 42.
  • the one end shaft 31 passing through the through hole 51 passes through the first mounting bracket 41. 7 is on the fan volute 1, and the other end of the rotating shaft 31 is 7
  • On the second mounting bracket 42, the second mounting bracket 42 is connected to the rotating shaft 31 through a plurality of mounting posts 7 7 on the fan volute 1 and the first mounting bracket 41 extends into the cavity 11 of the fan volute 1 together.
  • the outer rotor motor 3 is an alternating current outer rotor motor
  • the rotor assembly 33 is a cast aluminum core alternating current rotor.
  • the principle of the utility model is: the connecting plate 5 is installed in the centrifugal wind wheel 2 and two independent receiving chambers 21 are formed in the centrifugal wind wheel 2, and the outer rotor motor 3 is located inside the receiving chamber 21 on the side of the centrifugal wind wheel 2, A through hole 51 is defined in the middle of the connecting plate 5, and one end of the rotating shaft 31 of the outer rotor motor 3 passes through the through hole 51.
  • the end cover 34 is blocked outside the through hole 51 and fixedly connected with the connecting plate 5, and the structure is single.
  • the installation is convenient, the cost is low, the working efficiency of the outer rotor motor is high, the air volume generated by the blower is large, and the noise is small.

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

Abstract

一种外转子电机驱动的鼓风机，包括风机蜗壳（1）、离心风轮（2）、外转子电机（3）、若干安装支架（4）和连接板（5），离心风轮（2）安装在空腔（11）里面，所述的外转子电机（3）包括转轴（31）、定子组件（32）、转子组件（33）和端盖（34），两端盖（34）与转子组件（33）可一起转动，转轴（31）两端分别支承在风机蜗壳两端的安装支架（4）上，外转子电机（3）位于离心风轮（2）一侧的容纳腔（21）里面，连接板（5）中间开设有通孔（51），外转子电机（3）转轴（31）的一端从通孔（51）穿过，端盖（34）被挡在通孔（51）外并与连接板（5）固定连接在一起，该结构简单、安装方便，成本低，外转子电机的工作效率高，鼓风机产生的风量大，噪音小。

Description

一种外转子电机驱动的鼓风机 技术领域：
本实用新型涉及一种外转子电机驱动的鼓风机。
背景技术：
如图 1所示， 现有的鼓风机包括风机蜗壳 A、 离心风轮^ 外转子电机 C、 安装法兰0、 连接板 E和若干安装支架 F , 离心风轮 B安装在风机蜗壳 A的空腔 里面， 外转子电机 C安装在离心风轮 B容腔的中部， 在风机蜗壳 A两端面设置 有与空腔连通的进风口， 在进风口外侧、 风机蜗壳 A的端面上设置安装支架 F , 外转子电机的转轴 C 1两端分别支承在风机蜗壳 A两端的安装支架 F上， 安装法 兰 D嵌套在外转子电机 C的外表面上， 安装法兰 D通过连接板 E与离心风轮 B 固定连接在一起， 但是这种结构的鼓风机存在如下几个问题： 1 )外转子电机的 效率低， 产生的风量小； 2 )鼓风机的安装麻烦， 生产效率低； 3 )鼓风机在运 行过程中产生的噪音大； 4 )需要的零部件较多， 生产成本高。
发明内容：
本实用新型的目的是提供一种外转子电机驱动的鼓风机， 该结构筒单、 安 装方便， 成本低， 外转子电机的工作效率高， 鼓风机产生的风量大， 噪音小。
本实用新型的目的是通过下述技术方案予以实现的。
一种外转子电机驱动的鼓风机， 包括风机蜗壳、 离心风轮、 外转子电机、 若干安装支架和连接板， 风机蜗壳中间设置有用于容纳离心风轮的空腔， 在风 机蜗壳两端面设置进风口， 进风口与空腔连通， 离心风轮安装在空腔里面， 所 述的外转子电机包括转轴、 定子组件、 转子组件和端盖， 定子组件安装在转轴 上， 转子组件嵌套在定子组件外面， 端盖安装在转子组件端部， 转轴支 7|在两 端盖的轴承上并从两端盖往外伸出， 两端盖与转子组件可一起转动， 在进风口 外围、 风机蜗壳的端面上设置安装支架， 转轴两端分别支承在风机蜗壳两端的 安装支架上， 连接板安装在离心风轮里面并在离心风轮里面形成两个独立的容 纳腔， 外转子电机位于离心风轮一侧的容纳腔里面， 连接板中间开设有通孔， 外转子电机转轴的一端从通孔穿过， 端盖与连接板固定连接在一起。
上述所述的连接板上设置有若干安装孔， 端盖上设置有若干螺釘孔， 螺釘 拧进安装孔和螺釘孔把连接板和端盖固定连接在一起。
上述所述的安装支架包括第一安装支架和第二安装支架， 从通孔穿过的一 端转轴通过第一安装支架支 7|在风机蜗壳上， 转轴的另一端支 7|在第二安装支 架上， 第二安装支架通过若干安装柱支 7|在风机蜗壳上， 第一安装支架伸入到 风机蜗壳的空腔与转轴连接在一起。
上述所述的外转子电机是交流外转子电机， 转子组件是一个铸铝铁芯交流 转子。
上述所述的所述的外转子电机是直流无刷永磁同步外转子电机。
上述所述的直流无刷永磁同步外转子电机还包括电机控制器， 转轴上开设 有轴孔， 电机引线从轴孔穿出与电机控制器电连接在一起。
本实用新型与现有技术相比， 具有如下效果： 1 )风机蜗壳中间设置有用于 容纳离心风轮的空腔， 在风机蜗壳两端面设置进风口， 进风口与空腔连通， 离 心风轮安装在空腔里面， 所述的外转子电机包括转轴、 定子组件、 转子组件和 端盖， 定子组件安装在转轴上， 转子组件嵌套在定子组件外面， 端盖安装在转 子组件端部， 转轴支承在两端盖的轴承上并从两端盖往外伸出， 两端盖与转子 组件可一起转动， 在进风口外侧、 风机蜗壳的端面上设置安装支架， 转轴两端 分别支承在风机蜗壳两端的安装支架上， 连接板安装在离心风轮里面并在离心 风轮里面形成两个独立的容纳腔， 外转子电机位于离心风轮一侧的容纳腔里面， 连接板中间开设有通孔， 外转子电机转轴的一端从通孔穿过， 端盖被挡在通孔 外并与连接板固定连接在一起， 该结构筒单， 安装方便， 可以有效提高外转子 电机的工作效率， 增大鼓风机产生的风量， 减少鼓风机产生的噪音； 2 )连接板 上设置有若干安装孔， 端盖上设置有若干螺釘孔， 螺釘拧进安装孔和螺釘孔把 连接板和端盖固定连接在一起， 该结构筒单， 安装方便牢固； 3 )从通孔穿过的 一端转轴通过第一安装支架支承在风机蜗壳上， 转轴的另一端支承在第二安装 支架上， 第二安装支架通过若干安装柱支承在风机蜗壳上， 增加了外转子电机 的安装空间， 为外转子电机安装在离心风轮一侧的容纳腔提供了空间条件； 4 ) 转轴上开设有轴孔， 电机引线从轴孔穿出与电机控制器电连接在一起， 该结构 筒单， 连接筒便， 方便对外转子电机进行控制。
附图说明：
图 1 是现有鼓风机的结构剖视图；
图 2 是实施例一鼓风机立体图；
图 3 是本实用新型鼓风机另一个角度的立体图；
图 4 是本实用新型鼓风机的分解图；
图 5 是本实用新型鼓风机的前视图；
图 6 是图 5中 A-A剖视图；
图 7 是本实用新型外转子电机的立体图；
图 8 是本实用新型外转子电机的分解图；
图 9 是本实用新型端盖的立体图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一： 如图 2至图 9所示， 本实用新型是一种外转子电机驱动的鼓风 机， 包括风机蜗壳 1、 离心风轮 2、 外转子电机 3、 若干安装支架 4和连接板 5 , 风机蜗壳 1中间设置有用于容纳离心风轮 2的空腔 1 1 , 在风机蜗壳 1两端面设 置进风口 12 , 进风口 12与空腔 1 1连通， 离心风轮 2安装在空腔 1 1里面， 所述 的外转子电机 3包括转轴 31、 定子组件 32、 转子组件 33和端盖 34 , 定子组件 32安装在转轴 31上， 转子组件 33嵌套在定子组件 32外面， 端盖 34安装在转 子组件 33端部，转轴 31支承在两端盖 34的轴承 35上并从两端盖 34往外伸出， 两端盖 34与转子组件 33可一起转动， 在进风口 12外围、 风机蜗壳 1的端面上 设置安装支架 4 , 转轴 31两端分别支 7|在风机蜗壳 1两端的安装支架 4上， 连 接板 5安装在离心风轮 2里面并在离心风轮 2里面形成两个独立的容纳腔 21 , 外转子电机 3位于离心风轮 2—侧的容纳腔 21里面， 连接板 5中间开设有通孔 51 , 外转子电机 3转轴 31的一端从通孔 51穿过， 端盖 34与连接板 5固定连接 在一起。
连接板 5上设置有若干安装孔 52 , 端盖 34上设置有若干螺釘孔 341 , 螺釘 6拧进安装孔 52和螺釘孔 341把连接板 5和端盖 34固定连接在一起。
安装支架 4包括第一安装支架 41和第二安装支架 42 , 从通孔 51穿过的一 端转轴 31通过第一安装支架 41支 7|在风机蜗壳 1上， 转轴 31的另一端支 7|在 第二安装支架 42上， 第二安装支架 42通过若干安装柱 7支 7|在风机蜗壳 1上， 第一安装支架 41伸入到风机蜗壳 1的空腔 1 1与转轴 31连接在一起。
所述的外转子电机是直流无刷永磁同步外转子电机。
所述的直流无刷永磁同步外转子电机还包括电机控制器 8 , 转轴 31上开设 有轴孔 31 0 , 电机引线从轴孔 31 0穿出与电机控制器 8电连接在一起。
本实用新型的原理是： 连接板 5安装在离心风轮 2里面并在离心风轮 2里面形 成两个独立的容纳腔 21 , 外转子电机 3位于离心风轮 2—侧的容纳腔 21里面， 连 接板 5中间开设有通孔 51 , 外转子电机 3转轴 31的一端从通孔 5 1穿过， 端盖 34被 挡在通孔 5 1外并与连接板 5固定连接在一起， 该结构筒单、 安装方便， 成本低， 外转子电机的工作效率高， 鼓风机产生的风量大， 噪音小。
实施例二： 如图 3至图 9所示， 本实用新型是一种外转子电机驱动的鼓风 机， 包括风机蜗壳 1、 离心风轮 2、 外转子电机 3、 若干安装支架 4和连接板 5 , 风机蜗壳 1中间设置有用于容纳离心风轮 2的空腔 1 1 , 在风机蜗壳 1两端面设 置进风口 12 , 进风口 12与空腔 1 1连通， 离心风轮 2安装在空腔 1 1里面， 所述 的外转子电机 3包括转轴 31、 定子组件 32、 转子组件 33和端盖 34 , 定子组件 32安装在转轴 31上， 转子组件 33嵌套在定子组件 32外面， 端盖 34安装在转 子组件 33端部，转轴 31支承在两端盖 34的轴承 35上并从两端盖 34往外伸出， 两端盖 34与转子组件 33可一起转动， 在进风口 12外围、 风机蜗壳 1的端面上 设置安装支架 4 , 转轴 31两端分别支 7|在风机蜗壳 1两端的安装支架 4上， 连 接板 5安装在离心风轮 2里面并在离心风轮 2里面形成两个独立的容纳腔 21 , 外转子电机 3位于离心风轮 2—侧的容纳腔 21里面， 连接板 5中间开设有通孔 51 , 外转子电机 3转轴 31的一端从通孔 51穿过， 端盖 34与连接板 5固定连接 在一起。
连接板 5上设置有若干安装孔 52 , 端盖 34上设置有若干螺釘孔 341 , 螺釘 6拧进安装孔 52和螺釘孔 341把连接板 5和端盖 34固定连接在一起。
安装支架 4包括第一安装支架 41和第二安装支架 42 , 从通孔 51穿过的一 端转轴 31通过第一安装支架 41支 7|在风机蜗壳 1上， 转轴 31的另一端支 7|在 第二安装支架 42上， 第二安装支架 42通过若干安装柱 7支 7|在风机蜗壳 1上， 第一安装支架 41伸入到风机蜗壳 1的空腔 1 1与转轴 31连接在一起。
所述的外转子电机 3是交流外转子电机， 转子组件 33是一个铸铝铁芯交流 转子。
本实用新型的原理是： 连接板 5安装在离心风轮 2里面并在离心风轮 2里 面形成两个独立的容纳腔 21 ,外转子电机 3位于离心风轮 2—侧的容纳腔 21里 面， 连接板 5中间开设有通孔 51 , 外转子电机 3转轴 31的一端从通孔 51穿过， 端盖 34被挡在通孔 51外并与连接板 5固定连接在一起， 该结构筒单、 安装方 便， 成本低， 外转子电机的工作效率高， 鼓风机产生的风量大， 噪音小。

Claims

权利要求
1、 一种外转子电机驱动的鼓风机， 包括风机蜗壳（1)、 离心风轮（2)、 外 转子电机（ 3 )、 若干安装支架（ 4 )和连接板 ( 5 ), 风机蜗壳 （ 1 ) 中间设置有 用于容纳离心风轮（2)的空腔（11 ), 在风机蜗壳（1 )两端面设置进风口 （12), 进风口 （U)与空腔（11 )连通， 离心风轮（2)安装在空腔（11 )里面， 所述 的外转子电机（ 3 )包括转轴（ 31 )、定子组件（ 32 )、转子组件（ 33 )和端盖（ 34 ), 定子组件（ 32 )安装在转轴（ 31 )上， 转子组件（ 33 )嵌套在定子组件（ 32 ) 外面， 端盖（ 34 )安装在转子组件（ 33 )端部， 转轴（ 31 ) 支 7 在两端盖（ 34 ) 的轴承（ 35 )上并从两端盖（ 34 )往外伸出， 两端盖 （ 34 ) 与转子组件（ 33 ) 可一起转动， 在进风口 （12)外围、 风机蜗壳（1 )的端面上设置安装支架（4), 转轴（ 31 )两端分别支承在风机蜗壳（ 1 )两端的安装支架（ 4 )上， 连接板 ( 5 ) 安装在离心风轮（ 2 )里面并在离心风轮（ 2 )里面形成两个独立的容纳腔（ 21 ), 其特征在于： 外转子电机（3)位于离心风轮（2)—侧的容纳腔（21 )里面， 连接板 ( 5 ) 中间开设有通孔（ 51 ), 外转子电机（ 3 )转轴（ ) 的一端从通孔
( 51 ) 穿过， 端盖（ 34 )与连接板 ( 5 ) 固定连接在一起。
2、 根据权利要求 1所述的一种外转子电机驱动的鼓风机， 其特征在于： 连 接板（ 5 )上设置有若干安装孔（ 52 ), 端盖（ 34 )上设置有若干螺釘孔（ 3" ), 螺釘（ 6 )拧进安装孔 (52)和螺釘孔（ 341 )把连接板 ( 5 )和端盖（ 34 ) 固定 连接在一起。
3、 根据权利要求 1或 2所述的一种外转子电机驱动的鼓风机，其特征在于： 所述的安装支架（4) 包括第一安装支架（41 )和第二安装支架（42), 从通孔
( 51 )穿过的一端转轴（ 31 )通过第一安装支架（ 41 )支 7 在风机蜗壳（ 1 )上， 转轴（31 ) 的另一端支承在第二安装支架（42)上， 第二安装支架（42)通过 若干安装柱 ( 7 ) 支承在风机蜗壳 （ 1 )上， 第一安装支架（ 41 )伸入到风机蜗 壳 （ 1 ) 的空腔（ 11 ) 与转轴 （ 31 )连接在一起。
4、 根据权利要求 1所述的一种外转子电机驱动的鼓风机， 其特征在于： 所 述的外转子电机（3)是交流外转子电机， 转子组件（ 33)是一个铸铝铁芯交流 转子。
5、 根据权利要求 1所述的一种外转子电机驱动的鼓风机， 其特征在于： 所 述的外转子电机（3)是直流无刷永磁同步外转子电机。
6、 根据权利要求 5所述的一种外转子电机驱动的鼓风机， 其特征在于： 所 述的直流无刷永磁同步外转子电机还包括电机控制器（8), 转轴（31)上开设 有轴孔（310), 电机引线从轴孔（310) 穿出与电机控制器（8) 电连接在一起。
PCT/CN2013/087232 2013-10-30 2013-11-15 一种外转子电机驱动的鼓风机 WO2015062127A1 (zh)

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