WO2017020589A1 - 一种风机 - Google Patents

一种风机 Download PDF

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Publication number
WO2017020589A1
WO2017020589A1 PCT/CN2016/075894 CN2016075894W WO2017020589A1 WO 2017020589 A1 WO2017020589 A1 WO 2017020589A1 CN 2016075894 W CN2016075894 W CN 2016075894W WO 2017020589 A1 WO2017020589 A1 WO 2017020589A1
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WO
WIPO (PCT)
Prior art keywords
outer rotor
rotor motor
volute
cavity
stator
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PCT/CN2016/075894
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English (en)
French (fr)
Inventor
鲁楚平
赵勇
唐松发
曾崇生
Original Assignee
中山大洋电机股份有限公司
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Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2017020589A1 publication Critical patent/WO2017020589A1/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
    • 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
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing

Definitions

  • the utility model relates to a fan.
  • the purpose of the utility model is to provide a fan which has a simple structure and good stability.
  • a fan comprises a volute, a wind wheel, an outer rotor motor and a mounting bracket, and a cavity is opened in the middle of the volute, and an air inlet is respectively arranged on both sides of the volute and an air outlet is opened on the volute.
  • the tuyere and the air outlet are connected to the cavity, and the wind wheel is located inside the cavity.
  • the outer rotor motor is installed outside the volute and the air inlet of the cavity through the mounting bracket, and the shaft end of the outer rotor motor extends into the cavity. Connected to the wind wheel, the outer rotor motor and the wind wheel are respectively located on both sides of the mounting bracket.
  • the mounting bracket is mounted on an end face of the shaft end of the outer rotor motor.
  • the outer rotor motor comprises a rotating shaft, a stator and an outer rotor, wherein the stator is sleeved inside the outer rotor, wherein the stator comprises a sleeve seat, a stator core, an end insulation and a coil winding, and the end insulation is mounted on the end surface of the stator core,
  • the coil winding is wound on the end insulation
  • the sleeve seat is placed in the shaft hole in the middle of the stator core
  • the bearing chamber is respectively opened at the two ends of the sleeve seat
  • the bearing is installed in the bearing chamber
  • the rotating shaft is located inside the sleeve seat And the two ends are respectively supported on the bearing, and one end of the rotating shaft extends into the outer rotor and is connected with the outer rotor.
  • the stator is a plastic-sealed stator, which further comprises a plastic sealing body.
  • the plastic sealing body integrally connects the sleeve seat, the stator core, the end insulation and the coil winding, and the plastic sealing end is arranged on one side of the stator core and the plastic sealing body.
  • the plate has two ends extending outward from the middle of the sleeve, one end of which extends into the outer rotor and is connected with the outer rotor, and the other end extends outward from the middle of the plastic end plate to form the shaft extension end.
  • the mounting bracket includes a ring in the middle and a plurality of mounting legs extending outward from the ring.
  • the ring is located on the top surface of the plastic end plate and the two are locked together by a plurality of screws, from the ring to the ring
  • a plurality of mounting legs projecting from the outside are installed on the outer side of the air inlet and on the outer side of the volute.
  • the above protrudes from the top of the sleeve seat to the outside, and a plurality of arms are formed on the outer end of the arm, and the plastic sealing body is wrapped around the outer side of the arm and the threaded hole is from the top of the plastic body The surface is exposed, the screw passes through the ring and is screwed into its corresponding threaded hole to lock the ring to the plastic end plate.
  • the controller is mounted on the top surface of the plastic sealing end plate, and the controller comprises a control box and a control circuit board installed in the control box.
  • the shaft extending end of the rotating shaft passes through the controller and then extends into the cavity and the wind wheel. connected.
  • the outer rotor motor is a DC brushless outer rotor motor, wherein the outer rotor includes a casing sleeve and a plurality of permanent magnets attached to an inner wall surface of the casing sleeve.
  • the installation scheme in which the wind wheel is directly mounted on the shaft extension end of the outer rotor motor is simpler, more convenient, more reliable, and more stable than the installation scheme in which the existing wind wheel is installed outside the outer rotor motor by using a set or welding production process. higher;
  • the mounting bracket includes a ring in the middle and a plurality of mounting feet extending outward from the ring, the ring is located on the top surface of the plastic end plate and the two are locked together by a plurality of screws, from the ring To A plurality of mounting legs extending from the outside are installed on the outer periphery of the air inlet and on the outer side of the volute, and the structure is simple, and the installation is convenient and reliable;
  • the structural strength of the molded stator can be effectively increased by the arm, and secondly, Increasing the bonding strength between the molded stator and the mounting bracket;
  • a controller is mounted on the top surface of the plastic end plate, and the controller includes a control box and a control circuit board installed inside the control box, and the shaft extending end of the rotating shaft passes through the controller and then extends into the cavity and the wind.
  • the wheels are connected together and the structure is simple and compact, which effectively reduces the space for installing the controller.
  • Figure 1 is a perspective view of a fan in the first embodiment
  • Figure 2 is an exploded view of the fan in the first embodiment
  • Figure 3 is a side view of the fan in the first embodiment
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a partial enlarged view of a portion B of Figure 4.
  • Figure 6 is a schematic structural view of a fan in the second embodiment
  • Figure 7 is a perspective view of the air conditioner outdoor unit in the third embodiment
  • Figure 8 is an exploded view of the outdoor unit of the air conditioner in the third embodiment
  • Figure 9 is a schematic view showing the structure of the outer rotor motor and the blade installation in the third embodiment.
  • Embodiment 1 As shown in FIG. 1 to FIG. 5 , the present embodiment is a fan including a volute 1 , a wind wheel 2 , an outer rotor motor 3 and a mounting bracket 4 , and a cavity 10 is opened in the middle of the volute 1 .
  • An air inlet 11 is defined in each of the two sides of the volute 1
  • an air outlet 12 is defined in the volute 1 .
  • the air inlet 11 and the air outlet 12 are both connected to the cavity 10
  • the wind wheel 2 is located inside the cavity 10 .
  • Mounting bracket 4 outer rotor motor 3 is installed outside the volute 1 at the air inlet 11 of the cavity 10.
  • the shaft extension end 30 of the outer rotor motor 3 extends into the cavity 10 and is connected with the wind wheel 2, and the outer rotor motor 3 and the wind wheel 2 are respectively located. Install the sides of the bracket 4.
  • the outer rotor motor 3 is a DC brushless outer rotor motor, and includes a rotating shaft 31, a stator 32 and an outer rotor 33.
  • the stator 32 is sleeved inside the outer rotor 33.
  • the stator 32 is a plastic stator including a sleeve seat 321 and a stator.
  • the core 322, the end insulation 323, the coil winding 324 and the molding body 325, the end insulation 323 is mounted on the end surface of the stator core 322, the coil winding 324 is wound on the end insulation 323, and the sleeve seat 321 is placed on the stator.
  • the molding body 325 integrally connects the sleeve seat 321, the stator core 322, the end insulation 323 and the coil winding 324 to the stator core 322 side and the molding body 325.
  • a plastic end plate 3251 is disposed, and a bearing chamber 3210 is respectively disposed at two ends of the sleeve seat 321 .
  • a bearing 5 is mounted in the bearing chamber 3210.
  • the rotating shaft 31 is located inside the sleeve seat 321 and the two ends are respectively supported on the bearing 5
  • the two ends of the rotating shaft 31 respectively extend outward from the middle of the sleeve seat 321 , one end of which extends into the outer rotor 33 and is connected with the outer rotor 33 , and the other end extends outward from the middle of the plastic sealing end plate 3251 to form the shaft extending end.
  • the outer rotor 33 includes a casing sleeve 331 and a plurality of permanent magnets 332 attached to the inner wall surface of the casing sleeve 331.
  • the mounting bracket 4 includes a ring 41 in the middle and a plurality of mounting feet 42 projecting outwardly from the ring 41.
  • the ring 41 is located on the top surface of the plastic end plate 3251 and the two are locked together by a plurality of screws 6.
  • a plurality of mounting legs 42 projecting outward from the ring 41 are mounted on the outer periphery of the air inlet 12 and on the outer side of the volute 1.
  • a plurality of arms 3211 are protruded from the top of the sleeve 321 to the outside, and a screw hole 3212 is formed at an outer end of the arm 3211.
  • the molding body 325 is wrapped around the arm 3211 and the threaded hole is formed. 3212 is exposed from the top surface of the molding body 325, and the screw 6 passes through the ring 41 and is screwed into its corresponding threaded hole 3212 to lock the ring 41 to the plastic end plate 3251.
  • Embodiment 2 As shown in FIG. 6, the difference from Embodiment 1 is that a controller 7 is mounted on the top surface of the plastic sealing end plate 3251, and the controller 7 includes a control box 71 and is mounted in the control box 71. The circuit board 72 is controlled, and the shaft end 30 of the rotating shaft 31 passes through the controller 7 and then extends into the cavity 10 to be coupled with the wind wheel 2.
  • Embodiment 3 As shown in FIG. 7, FIG. 8, and FIG. 9, this embodiment is an air conditioner outdoor unit, which includes an air conditioner case 8, an outer rotor motor 3, a fan blade 9, and a mounting bracket 4.
  • the outer rotor motor 3 is mounted in the air-conditioning case 8 through the mounting bracket 4, wherein the outer rotor motor 3 is a DC brushless outer rotor motor including a rotating shaft 31, a molded stator 32 and an outer rotor 33, and the molded stator 32 is sleeved on the outer rotor 33, wherein the molded stator 32 includes a sleeve seat 321, a stator core 322, an end insulation 323, a coil winding 324, and a molding body 325.
  • the end insulation 323 is mounted on the end surface of the stator core 322, and the coil winding 324 is wound.
  • the sleeve seat 321 is placed in a shaft hole in the middle of the stator core 322, and the molding body 325 connects the sleeve seat 321, the stator core 322, the end insulation 323 and the coil winding 324 into
  • a plastic end plate 3251 is disposed on the side of the stator core 322 and the molding body 325.
  • a bearing chamber 3210 is respectively disposed at two ends of the sleeve seat 321 , and a bearing 5 is mounted in the bearing chamber 3210, and the rotating shaft 31 is located at the sleeve seat.
  • the inside of the 321 and the two ends are respectively supported on the bearing 5, and the two ends of the rotating shaft 31 respectively protrude outward from the middle of the sleeve seat 321, and one end thereof extends into the outer rotor 33 and is connected with the outer rotor 33, and the other end is connected.
  • the plastic end plate 3251 extends outward in the middle
  • the shaft extending end 30 is mounted on the shaft extending end 30, so that the outer rotor 33 and the air vane 9 are respectively located at the two ends of the rotating shaft 31, and the ends of the rotating shaft 31 are balanced and stressed, which is advantageous for the purpose. Improve the stability of the air conditioner outdoor unit structure and reduce the swing of the outer rotor motor during operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

一种风机，包括蜗壳（1）、风轮（2）、外转子电机（3）和安装支架（4），在蜗壳（1）中间开设有空腔（10），在蜗壳（1）的两侧面上分别开设有进风口（11）并且在蜗壳上开设有出风口（12），进风口（11）、出风口（12）均与空腔（10）连通，风轮（2）位于空腔（10）里面，通过安装支架（4）把外转子电机（3）安装在蜗壳（1）外面、空腔（10）的进风口（11）处，外转子电机（3）的轴伸端（30）伸入到空腔（10）里面与风轮（2）连接在一起，外转子电机（3）和风轮（2）分别位于安装支架（4）的两侧。该风机结构简单，稳定性好。

Description

一种风机 技术领域：
本实用新型涉及一种风机。
背景技术：
常规应用外转子电机的风机中，绝大部分都是采用单轴伸端的外转子电机，把外转子电机和风轮安装在蜗壳里面，其中风轮采用套装或者焊接的生产工艺安装在所述的外转子电机外面，但是在这种技术方案中风叶安装较为麻烦、复杂，并且由于风轮的重量全部压在外转子一侧，即转轴的受力全部集中在外转子一侧，而另一侧几乎不受力，这样将会导致外转子电机的平衡稳定性差，摆动较大。
发明内容：
本实用新型的目的是提供一种风机，其结构简单，稳定性好。
本实用新型的目的是通过下述技术方案予以实现的。
一种风机，包括蜗壳、风轮、外转子电机和安装支架，在蜗壳中间开设有空腔，在蜗壳的两侧面上分别开设有进风口并且在蜗壳上开设有出风口，进风口、出风口均与空腔连通，风轮位于空腔里面，通过安装支架把外转子电机安装在蜗壳外面、空腔的进风口处，外转子电机的轴伸端伸入到空腔里面与风轮连接在一起，外转子电机和风轮分别位于安装支架的两侧。
上述安装支架安装在外转子电机的轴伸端的端面上。
上述外转子电机包括转轴、定子和外转子，定子套设于外转子里面，其中定子包括套筒座、定子铁芯、端部绝缘和线圈绕组，端部绝缘安装在定子铁芯的端面上，线圈绕组绕制于端部绝缘上，套筒座置于定子铁芯中间的轴孔内，在套筒座两端分别开设有轴承室，在轴承室里面安装有轴承，转轴位于套筒座里面并且两端分别支承在所述的轴承上，转轴一端伸入到外转子里面与外转子连接在一起。
上述定子是一塑封定子，其还包括塑封体，塑封体把所述的套筒座、定子铁芯、端部绝缘和线圈绕组连结成一体，于定子铁芯一侧、塑封体上设置塑封端板，转轴两端分别从套筒座中间往外伸出，其中一端伸入到外转子里面与外转子连接在一起，另一端从塑封端板中间往外延伸形成所述的轴伸端。
上述安装支架包括位于中间的圆环和从圆环上往外侧伸出的若干安装脚，圆环位于塑封端板的顶面上并且两者通过若干螺钉锁紧固定在一起，从圆环上往外侧伸出的若干安装脚安装在进风口外围、蜗壳的外侧面上。
上述从套筒座的顶部上往外侧伸出若干个支臂，在支臂的外侧端部上开设有螺纹孔，塑封体包裹在所述的支臂的外面并且使螺纹孔从塑封体的顶面上露出，螺钉穿过圆环并且拧进到其对应的螺纹孔里面从而把圆环锁紧固定在塑封端板上。
上述在塑封端板的顶面上安装有控制器，控制器包括控制盒和安装在控制盒里面的控制线路板，转轴的轴伸端从控制器穿过后再伸入到空腔里面与风轮连接在一起。
上述外转子电机是直流无刷外转子电机，其中外转子包括机壳套筒和粘贴安装在机壳套筒内壁面上的若干永磁体。
本实用新型与现有技术相比，具有如下效果：
1)通过安装支架把外转子电机安装在蜗壳外面、空腔的进风口处，外转子电机的轴伸端伸入到空腔里面与风轮连接在一起，外转子电机和风轮分别位于安装支架的两侧，使得转动的外转子与风轮分别位于转轴的两端，达到转轴两端平衡受力的目的，这样有利于提高风机结构的稳定性，减小外转子电机运转时的摆动，并且采用风轮直接安装在外转子电机的轴伸端的安装方案，相比于现有风轮采用套装或者焊接的生产工艺安装在外转子电机外面的安装方案，安装更加简单、方便，可靠性和稳定性更高；
2)安装支架包括位于中间的圆环和从圆环上往外侧伸出的若干安装脚，圆环位于塑封端板的顶面上并且两者通过若干螺钉锁紧固定在一起，从圆环上往 外侧伸出的若干安装脚安装在进风口外围、蜗壳的外侧面上，该结构简单，安装方便、可靠；
3)从套筒座的顶部上往外侧伸出若干个支臂，在支臂的外侧端部上开设有螺纹孔，塑封体包裹在所述的支臂的外面并且使螺纹孔从塑封体的顶面上露出，螺钉穿过圆环并且拧进到其对应的螺纹孔里面从而把圆环锁紧固定在塑封端板上，首先，通过支臂可以有效增加塑封定子的结构强度，其次也可以增加塑封定子与安装支架之间的结合强度；
4)在塑封端板的顶面上安装有控制器，控制器包括控制盒和安装在控制盒里面的控制线路板，转轴的轴伸端从控制器穿过后再伸入到空腔里面与风轮连接在一起，结构简单、紧凑，有效减小用于安装控制器的空间。
附图说明：
图1是实施例一中风机的立体图；
图2是实施例一中风机的爆炸图；
图3是实施例一中风机的侧视图；
图4是图3中A-A线剖视图；
图5是图4中B部分的局部放大图；
图6是实施例二中风机的结构示意图；
图7是实施例三中空调室外机的立体图；
图8是实施例三中空调室外机的爆炸图；
图9是实施例三中外转子电机与风叶安装的结构示意图。
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1至图5所示，本实施例是一种风机，包括蜗壳1、风轮2、外转子电机3和安装支架4，在蜗壳1中间开设有空腔10，在蜗壳1的两侧面上分别开设有进风口11并且在蜗壳1上开设有出风口12，进风口11、出风口12均与空腔10连通，风轮2位于空腔10里面，通过安装支架4把外转子电机 3安装在蜗壳1外面、空腔10的进风口11处，外转子电机3的轴伸端30伸入到空腔10里面与风轮2连接在一起，外转子电机3和风轮2分别位于安装支架4的两侧。
其中外转子电机3是直流无刷外转子电机，包括转轴31、定子32和外转子33，定子32套设于外转子33里面，其中定子32是一塑封定子，其包括套筒座321、定子铁芯322、端部绝缘323、线圈绕组324和塑封体325，端部绝缘323安装在定子铁芯322的端面上，线圈绕组324绕制于端部绝缘323上，套筒座321置于定子铁芯322中间的轴孔内，塑封体325把所述的套筒座321、定子铁芯322、端部绝缘323和线圈绕组324连结成一体，于定子铁芯322一侧、塑封体325上设置塑封端板3251，在套筒座321两端分别开设有轴承室3210，在轴承室3210里面安装有轴承5，转轴31位于套筒座321里面并且两端分别支承在所述的轴承5上，转轴31两端分别从套筒座321中间往外伸出，其中一端伸入到外转子33里面与外转子33连接在一起，另一端从塑封端板3251中间往外延伸形成所述的轴伸端30。而外转子33包括机壳套筒331和粘贴安装在机壳套筒331内壁面上的若干永磁体332。
安装支架4包括位于中间的圆环41和从圆环41上往外侧伸出的若干安装脚42，圆环41位于塑封端板3251的顶面上并且两者通过若干螺钉6锁紧固定在一起，从圆环41上往外侧伸出的若干安装脚42安装在进风口12外围、蜗壳1的外侧面上。从套筒座321的顶部上往外侧伸出若干个支臂3211，在支臂3211的外侧端部上开设有螺纹孔3212，塑封体325包裹在所述的支臂3211的外面并且使螺纹孔3212从塑封体325的顶面上露出，螺钉6穿过圆环41并且拧进到其对应的螺纹孔3212里面从而把圆环41锁紧固定在塑封端板3251上。
实施例二：如图6所示，与实施例一的不同之处在于：在塑封端板3251的顶面上安装有控制器7，控制器7包括控制盒71和安装在控制盒71里面的控制线路板72，转轴31的轴伸端30从控制器7穿过后再伸入到空腔10里面与风轮2连接在一起。
实施例三：如图7、图8和图9所示，本实施例是一种空调室外机，包括空调箱体8、外转子电机3、风叶9和安装支架4。通过安装支架4把外转子电机3安装在空调箱体8里面，其中外转子电机3是直流无刷外转子电机，包括转轴31、塑封定子32和外转子33，塑封定子32套设于外转子33里面，其中塑封定子32包括套筒座321、定子铁芯322、端部绝缘323、线圈绕组324和塑封体325，端部绝缘323安装在定子铁芯322的端面上，线圈绕组324绕制于端部绝缘323上，套筒座321置于定子铁芯322中间的轴孔内，塑封体325把所述的套筒座321、定子铁芯322、端部绝缘323和线圈绕组324连结成一体，于定子铁芯322一侧、塑封体325上设置塑封端板3251，在套筒座321两端分别开设有轴承室3210，在轴承室3210里面安装有轴承5，转轴31位于套筒座321里面并且两端分别支承在所述的轴承5上，转轴31两端分别从套筒座321中间往外伸出，其中一端伸入到外转子33里面与外转子33连接在一起，另一端从塑封端板3251中间往外延伸形成轴伸端30，风叶9安装在所述的轴伸端30上，从而使外转子33和风叶9分别位于转轴31的两端，达到转轴31两端平衡受力的目的，这样有利于提高空调室外机结构的稳定性，减小外转子电机运转时的摆动。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (8)

  1. 一种风机，包括蜗壳(1)、风轮(2)、外转子电机(3)和安装支架(4)，在蜗壳(1)中间开设有空腔(10)，在蜗壳(1)的两侧面上分别开设有进风口(11)并且在蜗壳(1)上开设有出风口(12)，进风口(11)、出风口(12)均与空腔(10)连通，风轮(2)位于空腔(10)里面，其特征在于：通过安装支架(4)把外转子电机(3)安装在蜗壳(1)外面、空腔(10)的进风口(11)处，外转子电机(3)的轴伸端(30)伸入到空腔(10)里面与风轮(2)连接在一起，外转子电机(3)和风轮(2)分别位于安装支架(4)的两侧。
  2. 根据权利要求1所述的一种风机，其特征在于：安装支架(4)安装在外转子电机(3)的轴伸端(30)的端面上。
  3. 根据权利要求1或2所述的一种风机，其特征在于：所述的外转子电机(3)包括转轴(31)、定子(32)和外转子(33)，定子(32)套设于外转子(33)里面，其中定子(32)包括套筒座(321)、定子铁芯(322)、端部绝缘(323)和线圈绕组(324)，端部绝缘(323)安装在定子铁芯(322)的端面上，线圈绕组(324)绕制于端部绝缘(323)上，套筒座(321)置于定子铁芯(322)中间的轴孔内，在套筒座(321)两端分别开设有轴承室(3210)，在轴承室(3210)里面安装有轴承(5)，转轴(31)位于套筒座(321)里面并且两端分别支承在所述的轴承(5)上，转轴(31)一端伸入到外转子(33)里面与外转子(33)连接在一起。
  4. 根据权利要求3所述的一种风机，其特征在于：所述的定子(32)是一塑封定子，其还包括塑封体(325)，塑封体(325)把所述的套筒座(321)、定子铁芯(322)、端部绝缘(323)和线圈绕组(324)连结成一体，于定子铁芯(322)一侧、塑封体(325)上设置塑封端板(3251)，转轴(31)两端分别从套筒座(321)中间往外伸出，其中一端伸入到外转子(33)里面与外转子(33)连接在一起，另一端从塑封端板(3251)中间往外延伸形成所述的轴伸端(30)。
  5. 根据权利要求4所述的一种风机，其特征在于：所述的安装支架(4) 包括位于中间的圆环(41)和从圆环(41)上往外侧伸出的若干安装脚(42)，圆环(41)位于塑封端板(3251)的顶面上并且两者通过若干螺钉(6)锁紧固定在一起，从圆环(41)上往外侧伸出的若干安装脚(42)安装在进风口(12)外围、蜗壳(1)的外侧面上。
  6. 根据权利要求5所述的一种风机，其特征在于：其特征在于：从套筒座(321)的顶部上往外侧伸出若干个支臂(3211)，在支臂(3211)的外侧端部上开设有螺纹孔(3212)，塑封体(325)包裹在所述的支臂(3211)的外面并且使螺纹孔(3212)从塑封体(325)的顶面上露出，螺钉(6)穿过圆环(41)并且拧进到其对应的螺纹孔(3212)里面从而把圆环(41)锁紧固定在塑封端板(3251)上。
  7. 根据权利要求4或5或6所述的一种风机，其特征在于：其特征在于：在塑封端板(3251)的顶面上安装有控制器(7)，控制器(7)包括控制盒(71)和安装在控制盒(71)里面的控制线路板(72)，转轴(31)的轴伸端(30)从控制器(7)穿过后再伸入到空腔(10)里面与风轮(2)连接在一起。
  8. 根据权利要求3或4或5或6所述的一种风机，其特征在于：所述的外转子电机是直流无刷外转子电机，其中外转子(33)包括机壳套筒(331)和粘贴安装在机壳套筒(331)内壁面上的若干永磁体(332)。
PCT/CN2016/075894 2015-07-31 2016-03-08 一种风机 WO2017020589A1 (zh)

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CN107846112B (zh) * 2017-11-18 2024-04-30 中山大洋电机股份有限公司 一种风机
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