WO2016155271A1 - 一种直流无刷电机 - Google Patents

一种直流无刷电机 Download PDF

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Publication number
WO2016155271A1
WO2016155271A1 PCT/CN2015/090612 CN2015090612W WO2016155271A1 WO 2016155271 A1 WO2016155271 A1 WO 2016155271A1 CN 2015090612 W CN2015090612 W CN 2015090612W WO 2016155271 A1 WO2016155271 A1 WO 2016155271A1
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WO
WIPO (PCT)
Prior art keywords
rear end
stator
brushless
end portion
plastic
Prior art date
Application number
PCT/CN2015/090612
Other languages
English (en)
French (fr)
Inventor
唐松发
邬拥华
Original Assignee
中山大洋电机股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201520193092.XU external-priority patent/CN204497941U/zh
Priority claimed from CN201520618369.9U external-priority patent/CN204858809U/zh
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 WO2016155271A1 publication Critical patent/WO2016155271A1/zh
Priority to US15/368,509 priority Critical patent/US10468933B2/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/02—Casings or enclosures characterised by the material thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/08—Insulating casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines

Definitions

  • the utility model relates to a direct current brushless motor, belonging to the technical field of motors.
  • the conventional brushless DC motor includes a rotating shaft A1, a rotor assembly A2, a stator assembly A3, a casing A4, a front end cover A5, a rear end cover A6, a motor controller A7, and a plurality of screws A8.
  • the rotor assembly A2 is mounted on the rotating shaft A1, and the stator assembly A3 and the casing A4 are mounted together and nested outside the rotor assembly A2, and the front end cover A5 and the rear end cover A6 are respectively mounted on both ends of the casing A4 by screws A8.
  • the motor controller A7 is mounted on the rear end cover A6 by the screw A8.
  • the installation of the existing brushless DC motor is troublesome. First, the front end cover and the rear end cover are respectively installed on the two ends of the casing by screws, and then the motor controller is installed on the rear end cover by screws, and the assembly efficiency is low. The material and labor costs required are relatively high.
  • the existing DC plastic motor includes a rotating shaft, a rotor assembly, a plastic stator and an end cover.
  • the rotor assembly is mounted on the rotating shaft, and the plastic sealing stator is nested outside the rotor assembly.
  • the outer wall surface of the plastic sealing stator is very smooth, the hoop body is usually used.
  • the method of tightly sealing the stator realizes the installation of the DC plastic-sealed motor, but the installation method has low reliability and the structure is not strong, and the installation may be loose or even fall off during long-term use.
  • the purpose of the utility model is to provide a DC brushless motor, which has the advantages of simple and compact structure, convenient assembly, relatively low material cost and labor cost, and convenient installation of the motor on the load, which is firm and reliable.
  • a DC brushless motor comprises a motor body and a motor controller, wherein the motor controller comprises a control box and a control circuit board, wherein the motor body is a plastic body, comprising a rotating shaft, a rotor assembly, a plastic sealing stator, a front end cover and a rear End cap, the rotor assembly is mounted on the rotating shaft, and the plastic sealing stator is nested outside the rotor assembly
  • the front end cover is mounted on the front end portion of the plastic-sealed stator, wherein the plastic-sealed stator comprises a stator core, an end insulation, a coil winding and a plastic-clad outer casing, and the end portion is insulated and mounted on an end surface of the stator core, and the coil winding is wound Installed on the end insulation, the plastic enclosure connects the stator core, the end insulation and the coil winding into one body, and the organic shell sleeve is nested outside the plastic stator, and the rear end of the casing slee
  • the rear end cover is mounted on the rear end portion of the plastic stator by a plurality of first screws, and the control box and the rear end cover are mounted together by a plurality of second screws.
  • the rear end cover includes a bearing housing, an end cap body located at a periphery of the bearing housing, and a plurality of connecting brackets connected between the bearing housing and the end cap body.
  • the first screw passes through the mounting foot and is screwed into the rear end portion of the plastic molding stator to mount the rear end cover on the rear end portion of the plastic molding stator.
  • the second screw passes through the control box and is screwed into the mounting foot to mount the control box with the rear end cover.
  • the number of the above-mentioned mounting legs is eight, and the mounting legs for mounting the first screws and the mounting legs for mounting the second screws are circumferentially spaced.
  • a receiving cavity is disposed in the middle of the top of the bearing housing. Inside the receiving cavity, a mounting bracket is mounted on the rotating shaft, and a magnetic ring is nested outside the mounting bracket.
  • the first outer opening is provided on the outer wall surface of the plastic sealing stator, and the second end is provided on the end of the control box, and the front end portion and the rear end portion of the casing sleeve are respectively supported on the first opening and On the second stop.
  • the front end cover is injection molded on the front end of the plastic case.
  • the plastic sealed casing integrally joins the stator core, the end insulation and the coil winding and exposes the outer surface of the stator core, and the casing sleeve is nested outside the molded stator and is in contact with the exposed outer surface of the stator core.
  • the front end of the casing sleeve is provided with a bayonet, and the outer wall surface of the plastic stator is provided with a bump, and the bump is nested inside the bayonet.
  • the above is provided with a card slot on the top of the control box, and a card block is arranged on the rear end portion of the casing sleeve, and the card block is nested inside the card slot.
  • a plurality of mounting brackets are mounted on the outside of the casing sleeve.
  • the first screw passes through the mounting foot and is screwed into the rear end portion of the molded stator to mount the rear end cover on the rear end portion of the plastic stator, and the second screw passes through the control box and is screwed into the mounting foot to control
  • the box is assembled with the rear end cover, has a simple structure, and is convenient and firm to assemble;
  • a receiving cavity is arranged in the middle of the top of the bearing seat, and a mounting bracket is mounted on the rotating shaft inside the housing, and a magnetic ring is nested and installed outside the mounting bracket, the structure is simple, the installation is convenient, and the internal space of the motor can be effectively saved. ;
  • a first stop is disposed on the outer wall surface of the molded stator, and a second stop is disposed on the end of the control box, and the front end portion and the rear end portion of the casing sleeve are respectively supported on the first stop And the second stop, the structure is simple, the positioning and installation are convenient and firm, the assembly efficiency is effectively improved, and the production cost is reduced;
  • the shaft current generated by the plastic stator can flow into the earth through the stator core, the casing sleeve and the control box, because the motor controller itself has a grounding device, and the structure for solving the shaft current does not add extra cost, and
  • the structure is simple, the assembly is convenient, and more importantly, the effect of the structure to solve the shaft current is obvious, and the long-term, stable and reliable operation of the motor is effectively ensured, and the service life is prolonged;
  • a bayonet opening is formed on the front end portion of the casing sleeve, and a convex block is arranged on the outer wall surface of the plastic sealing stator, and the convex block is nested inside the bayonet, the structure is simple, the casing is firmly installed, and the casing is not easy to be generated. Rotation, reliability is guaranteed;
  • the casing sleeve is sleeved outside the plastic stator and is in contact with the exposed outer surface of the stator core, and the interference fit between the two, the casing sleeve and the plastic stator are firmly combined, and are not easy to loose or loose. Reliability is guaranteed;
  • a card slot is arranged on the top of the control box, and a card block is arranged on the rear end portion of the casing sleeve, and the card block is nested inside the card slot, and the card slot is matched with the card block, thereby further improving the preventing machine The effect of shell rotation;
  • FIG. 1 is a perspective view of a conventional DC brushless motor
  • Figure 3 is a perspective view of the brushless DC motor of the first embodiment
  • Figure 4 is an exploded view of the DC brushless motor in the first embodiment
  • Figure 5 is a perspective view of the motor body in the first embodiment
  • Figure 6 is a plan view of the brushless DC motor of the first embodiment
  • Figure 7 is a cross-sectional view taken along line A-A of Figure 6;
  • Figure 8 is a perspective view of a DC brushless motor in Embodiment 2.
  • Figure 9 is an exploded view of the brushless DC motor of the second embodiment.
  • Embodiment 1 As shown in FIG. 3, FIG. 4, FIG. 5, FIG. 6 and FIG. 7, this embodiment is a DC brushless motor, comprising a motor body 1 and a motor controller 2, wherein the motor controller 2 includes control
  • the casing 21 and the control circuit board 22 are a plastic body including a rotating shaft 11, a rotor assembly 12, a plastic stator 13, a front end cover 14, and a rear end cover 15.
  • the rotor assembly 12 is mounted on the rotating shaft 11, and is sealed.
  • the stator 13 is nested outside the rotor assembly 12, and the front end cover 14 is mounted on the front end portion of the molded stator 13, wherein the molded stator 13 includes a stator core 131, an end insulation 132, a coil winding 133, and a molded casing 134.
  • the portion of the insulation 132 is mounted on the end face of the stator core 131, and the coil winding 133 is wound around the end insulation 132.
  • the plastic case 134 connects the stator core 131, the end insulation 132 and the coil winding 133.
  • an organic casing sleeve 3 is nested outside the plastic-sealed stator 13.
  • the rear end of the casing sleeve 3 extends axially from the rear end portion of the plastic-sealed stator 13, and the control box 21 is mounted on the casing sleeve.
  • a cavity 30 is formed in the rear end portion of the 3 and between the control box 21 and the casing sleeve 3, and the rear end cover 15 and the control circuit board 22 are mounted inside the cavity 30.
  • the rear end cover 15 is mounted on the rear end portion of the molded stator 13 by a plurality of first screws 41, and the control box 21 and the rear end cover 15 are mounted together by a plurality of second screws 42.
  • the rear end cover 15 includes a bearing housing 151, an end cap body 152 at the periphery of the bearing housing 151, and a plurality of connecting brackets 153 connected between the bearing housing 151 and the end cover body 152.
  • a plurality of mounting legs 1521 are protruded outwardly on the outer edge of the end cap body 152, and the first screw 41 passes through the mounting leg 1521 and is screwed into the rear end portion of the molded stator 13 to mount the rear end cover 15 to the molded stator 13
  • the second screw 42 passes through the control box 21 and is screwed into the mounting leg 1521 to mount the control box 21 and the rear end cover 15 together.
  • the number of the mounting legs 1521 is eight, and the mounting legs 1521 for mounting the first screws 41 and the mounting legs 1521 for mounting the second screws 42 are circumferentially spaced.
  • a receiving cavity 1510 is disposed in the middle of the top of the bearing housing 151.
  • a mounting bracket 5 is mounted on the rotating shaft 11, and a magnetic ring 6 is nested outside the mounting bracket 5.
  • a first stop 1301 is disposed on an outer wall surface of the molded stator 13, and a second stop 211 is disposed at an end of the control box 21, and the front end portion and the rear end portion of the casing sleeve 3 are respectively supported by the first portion A stop 1301 and a second stop 211.
  • the front end cover 14 is injection molded on the front end portion of the plastic case 134.
  • the molded casing 134 integrally connects the stator core 131, the end insulation 132, and the coil winding 133 and exposes the outer surface of the stator core 131, and the casing sleeve 3 is nested outside the molded stator 13 and is coupled to the stator core 131. The exposed outer surface is in contact.
  • Embodiment 2 As shown in FIG. 8 and FIG. 9 , the difference between this embodiment and the first embodiment is that a bayonet 31 is formed on the front end portion of the casing sleeve 3 on the outer wall surface of the molded stator 13 .
  • a bump 1302 is provided, and the bump 1302 is nested inside the bayonet 31.
  • a card slot 212 is disposed on the top of the control box 21, and a card block 32 is disposed on the rear end portion of the casing sleeve 3, and the card block 32 is nested inside the card slot 212.
  • a plurality of mounting brackets 5 are mounted outside the casing sleeve 3.

Abstract

一种直流无刷电机，包括电机本体（1）和电机控制器（2），其中电机控制器包括控制盒（21）和控制线路板（22），所述的电机本体是一塑封体，包括转轴（11）、转子组件（12）、塑封定子（13）、前端盖（14）和后端盖（15），在塑封定子外面嵌套安装有机壳套筒（3），机壳套筒的后端从塑封定子的后端部上沿轴向延伸，控制盒安装在机壳套筒的后端部上并且在控制盒与机壳套筒之间形成空腔（30），后端盖和控制线路板安装在所述的空腔里面。该电机结构简单紧凑、成本低、安装方便、牢固可靠。

Description

一种直流无刷电机 技术领域：
本实用新型涉及一种直流无刷电机，属于电机技术领域。
背景技术：
如图1和图2所示，现有的直流无刷电机包括转轴A1、转子组件A2、定子组件A3、机壳A4、前端盖A5、后端盖A6、电机控制器A7和若干螺钉A8，转子组件A2安装在转轴A1上，定子组件A3和机壳A4安装在一起并嵌套在转子组件A2外面，通过螺钉A8把前端盖A5和后端盖A6分别安装在机壳A4的两端，并且通过螺钉A8把电机控制器A7安装在后端盖A6上。现有直流无刷电机的安装较为麻烦，首先需要通过螺钉把前端盖和后端盖分别安装在机壳的两端，接着又需要通过螺钉把电机控制器安装在后端盖上，装配效率低，需要的物料成本和人力成本相对较高。
而现有的直流塑封电机包括转轴、转子组件、塑封定子和端盖，转子组件安装在转轴上，塑封定子嵌套在转子组件外面，但是由于塑封定子的外壁面十分光滑，通常采用箍体抱紧塑封定子的方法实现直流塑封电机的安装，但是这种安装方式可靠性较低，结构不牢固，在长期使用的过程中，安装会出现松脱甚至发生脱落的危险。
发明内容：
本实用新型的目的是提供一种直流无刷电机，其结构简单、紧凑，装配方便，需要的物料成本和人力成本相对较低，并且电机方便安装在负载上，牢固、可靠。
本实用新型的目的是通过下述技术方案予以实现的。
一种直流无刷电机，包括电机本体和电机控制器，其中电机控制器包括控制盒和控制线路板，所述的电机本体是一塑封体，包括转轴、转子组件、塑封定子、前端盖和后端盖，转子组件安装在转轴上，塑封定子嵌套在转子组件外 面，前端盖安装在塑封定子的前端部上，其中所述的塑封定子包括定子铁芯、端部绝缘、线圈绕组和塑封外壳，端部绝缘安装在定子铁芯的端面上，线圈绕组卷绕安装在端部绝缘上，塑封外壳把定子铁芯、端部绝缘和线圈绕组连结成一体，在塑封定子外面嵌套安装有机壳套筒，机壳套筒的后端从塑封定子的后端部上沿轴向延伸，控制盒安装在机壳套筒的后端部上并且在控制盒与机壳套筒之间形成空腔，后端盖和控制线路板安装在所述的空腔里面。
上述通过若干第一螺钉把后端盖安装在塑封定子的后端部上，通过若干第二螺钉把控制盒与后端盖安装在一起。
上述后端盖包括轴承座、位于轴承座外围的端盖本体和连接在轴承座与端盖本体之间的若干连接支架。
上述在端盖本体的外侧边缘上往外侧伸出若干安装脚，第一螺钉穿过安装脚并且拧进到塑封定子的后端部里面从而把后端盖安装在塑封定子的后端部上，第二螺钉穿过控制盒并且拧进到安装脚里面从而把控制盒与后端盖安装在一起。
上述安装脚的数量是8个，用于安装第一螺钉的安装脚和用于安装第二螺钉的安装脚周向间隔排列。
上述在轴承座的顶部中间设置有容纳腔，在容纳腔里面、转轴上安装有安装支架，在安装支架外面嵌套安装有磁环。
上述在塑封定子外壁面上设置有第一止口，在控制盒的端部上设置有第二止口，机壳套筒的前端部和后端部分别支承在所述的第一止口和第二止口上。
上述前端盖是注塑安装在塑封外壳的前端部上的。
上述塑封外壳把定子铁芯、端部绝缘和线圈绕组连结成一体并且使定子铁芯的外侧表面裸露，机壳套筒嵌套安装在塑封定子外面并且与定子铁芯裸露的外侧表面接触。
上述在机壳套筒的前端部上开设有卡口，在塑封定子的外壁面上设置有凸块，凸块嵌套在卡口里面。
上述在控制盒的顶部上设置有卡槽，在机壳套筒的后端部上设置有卡块，卡块嵌套在卡槽里面。
上述在机壳套筒外面安装有若干个安装支架。
本实用新型与现有技术相比，具有如下效果：
1)本设计的直流无刷电机结构更为简单，需要装配的零件和工序减小，装配方便，降低了物料成本和人力成本，并且通过机壳实现电机安装在负载上，牢固、可靠高，长期使用也不会出现安装松脱的现象；
2)第一螺钉穿过安装脚并且拧紧到塑封定子的后端部里面从而把后端盖安装在塑封定子的后端部上，第二螺钉穿过控制盒并且拧紧到安装脚里面从而把控制盒与后端盖安装在一起，结构简单，装配方便、牢固；
3)在轴承座的顶部中间设置有容纳腔，在容纳腔里面、转轴上安装有安装支架，在安装支架外面嵌套安装有磁环，结构简单，安装方便，并且能有效的节省电机内部空间；
4)在塑封定子外壁面上设置有第一止口，在控制盒的端部上设置有第二止口，机壳套筒的前端部和后端部分别支承在所述的第一止口和第二止口上，结构简单，定位安装方便、牢固，有效提高装配效率，降低生产成本；
5)塑封定子产生的轴电流可以通过定子铁芯、机壳套筒、控制盒最后流入大地，因为电机控制器本身自带有接地装置，此解决轴电流的结构不会增加额外的成本，并且结构简单，装配方便，更为重要的是此结构解决轴电流的效果明显，有效保证电机长期、稳定可靠的运行，使用寿命得到延长；
6)在机壳套筒的前端部上开设有卡口，在塑封定子的外壁面上设置有凸块，凸块嵌套在卡口里面，其结构简单，机壳的安装牢固，不容易产生转动，可靠性得到保证；
7)机壳套筒套装在塑封定子外面并且与定子铁芯裸露的外侧表面接触，两者之间为过盈配合，机壳套筒与塑封定子之间结合牢固，不易松脱或者产生松动，可靠性得到保证；
8)在控制盒的顶部上设置有卡槽，在机壳套筒的后端部上设置有卡块，卡块嵌套在卡槽里面，通过卡槽与卡块配合，可以进一步提高防止机壳转动的效果；
9)根据需要在机壳套筒外壁焊接各种安装支架，以满足不同的安装需求，并且由于是通过焊接安装在机壳套筒的外壁上，因此无需更改塑封定子的模具，使得方便安装，并且有效控制了生产成本。
附图说明：
图1是现有直流无刷电机的立体图；
图2是现有直流无刷电机的爆炸图；
图3是实施例一中直流无刷电机的立体图；
图4是实施例一中直流无刷电机的爆炸图；
图5是实施例一中电机本体的立体图；
图6是实施例一中直流无刷电机的俯视图；
图7是图6中A-A线剖视图；
图8是实施例二中直流无刷电机的立体图；
图9是实施例二中直流无刷电机的爆炸图。
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3、图4、图5、图6和图7所示，本实施例是一种直流无刷电机，包括电机本体1和电机控制器2，其中电机控制器2包括控制盒21和控制线路板22，所述的电机本体1是一塑封体，包括转轴11、转子组件12、塑封定子13、前端盖14和后端盖15，转子组件12安装在转轴11上，塑封定子13嵌套在转子组件12外面，前端盖14安装在塑封定子13的前端部上，其中所述的塑封定子13包括定子铁芯131、端部绝缘132、线圈绕组133和塑封外壳134，端部绝缘132安装在定子铁芯131的端面上，线圈绕组133卷绕安装在端部绝缘132上，塑封外壳134把定子铁芯131、端部绝缘132和线圈绕组133连 结成一体，在塑封定子13外面嵌套安装有机壳套筒3，机壳套筒3的后端从塑封定子13的后端部上沿轴向延伸，控制盒21安装在机壳套筒3的后端部上并且在控制盒21与机壳套筒3之间形成空腔30，后端盖15和控制线路板22安装在所述的空腔30里面。
通过若干第一螺钉41把后端盖15安装在塑封定子13的后端部上，通过若干第二螺钉42把控制盒21与后端盖15安装在一起。后端盖15包括轴承座151、位于轴承座151外围的端盖本体152和连接在轴承座151与端盖本体152之间的若干连接支架153。在端盖本体152的外侧边缘上往外侧伸出若干安装脚1521，第一螺钉41穿过安装脚1521并且拧进到塑封定子13的后端部里面从而把后端盖15安装在塑封定子13的后端部上，第二螺钉42穿过控制盒21并且拧进到安装脚1521里面从而把控制盒21与后端盖15安装在一起。安装脚1521的数量是8个，用于安装第一螺钉41的安装脚1521和用于安装第二螺钉42的安装脚1521周向间隔排列。在轴承座151的顶部中间设置有容纳腔1510，在容纳腔1510里面、转轴11上安装有安装支架5，在安装支架5外面嵌套安装有磁环6。在塑封定子13外壁面上设置有第一止口1301，在控制盒21的端部上设置有第二止口211，机壳套筒3的前端部和后端部分别支承在所述的第一止口1301和第二止口211上。前端盖14是注塑安装在塑封外壳134的前端部上的。塑封外壳134把定子铁芯131、端部绝缘132和线圈绕组133连结成一体并且使定子铁芯131的外侧表面裸露，机壳套筒3嵌套安装在塑封定子13外面并且与定子铁芯131裸露的外侧表面接触。
实施例二：如图8和图9所示，本实施例与实施例一的不同之处在于：在机壳套筒3的前端部上开设有卡口31，在塑封定子13的外壁面上设置有凸块1302，凸块1302嵌套在卡口31里面。在控制盒21的顶部上设置有卡槽212，在机壳套筒3的后端部上设置有卡块32，卡块32嵌套在卡槽212里面。在机壳套筒3外面安装有若干个安装支架5。

Claims (12)

  1. 一种直流无刷电机，包括电机本体(1)和电机控制器(2)，其中电机控制器(2)包括控制盒(21)和控制线路板(22)，其特征在于：所述的电机本体(1)是一塑封体，包括转轴(11)、转子组件(12)、塑封定子(13)、前端盖(14)和后端盖(15)，转子组件(12)安装在转轴(11)上，塑封定子(13)嵌套在转子组件(12)外面，前端盖(14)安装在塑封定子(13)的前端部上，其中所述的塑封定子(13)包括定子铁芯(131)、端部绝缘(132)、线圈绕组(133)和塑封外壳(134)，端部绝缘(132)安装在定子铁芯(131)的端面上，线圈绕组(133)卷绕安装在端部绝缘(132)上，塑封外壳(134)把定子铁芯(131)、端部绝缘(132)和线圈绕组(133)连结成一体，在塑封定子(13)外面嵌套安装有机壳套筒(3)，机壳套筒(3)的后端从塑封定子(13)的后端部上沿轴向延伸，控制盒(21)安装在机壳套筒(3)的后端部上并且在控制盒(21)与机壳套筒(3)之间形成空腔(30)，后端盖(15)和控制线路板(22)安装在所述的空腔(30)里面。
  2. 根据权利要求1所述的一种直流无刷电机，其特征在于：通过若干第一螺钉(41)把后端盖(15)安装在塑封定子(13)的后端部上，通过若干第二螺钉(42)把控制盒(21)与后端盖(15)安装在一起。
  3. 根据权利要求2所述的一种直流无刷电机，其特征在于：所述的后端盖(15)包括轴承座(151)、位于轴承座(151)外围的端盖本体(152)和连接在轴承座(151)与端盖本体(152)之间的若干连接支架(153)。
  4. 根据权利要求3所述的一种直流无刷电机，其特征在于：在端盖本体(152)的外侧边缘上往外侧伸出若干安装脚(1521)，第一螺钉(41)穿过安装脚(1521)并且拧进到塑封定子(13)的后端部里面从而把后端盖(15)安装在塑封定子(13)的后端部上，第二螺钉(42)穿过控制盒(21)并且拧进到安装脚(1521)里面从而把控制盒(21)与后端盖(15)安装在一起。
  5. 根据权利要求4所述的一种直流无刷电机，其特征在于：安装脚(1521) 的数量是8个，用于安装第一螺钉(41)的安装脚(1521)和用于安装第二螺钉(42)的安装脚(1521)周向间隔排列。
  6. 根据权利要求3或4或5所述的一种直流无刷电机，其特征在于：在轴承座(151)的顶部中间设置有容纳腔(1510)，在容纳腔(1510)里面、转轴(11)上安装有安装支架(5)，在安装支架(5)外面嵌套安装有磁环(6)。
  7. 根据权利要求1或2或3或4或5所述的一种直流无刷电机，其特征在于：在塑封定子(13)外壁面上设置有第一止口(1301)，在控制盒(21)的端部上设置有第二止口(211)，机壳套筒(3)的前端部和后端部分别支承在所述的第一止口(1301)和第二止口(211)上。
  8. 根据权利要求1或2或3或4或5所述的一种直流无刷电机，其特征在于：前端盖(14)是注塑安装在塑封外壳(134)的前端部上的。
  9. 根据权利要求1或2或3或4或5所述的一种直流无刷电机，其特征在于：塑封外壳(134)把定子铁芯(131)、端部绝缘(132)和线圈绕组(133)连结成一体并且使定子铁芯(131)的外侧表面裸露，机壳套筒(3)嵌套安装在塑封定子(13)外面并且与定子铁芯(131)裸露的外侧表面接触。
  10. 根据权利要求1或2或3或4或5所述的一种直流无刷电机，其特征在于：在机壳套筒(3)的前端部上开设有卡口(31)，在塑封定子(13)的外壁面上设置有凸块(1302)，凸块(1302)嵌套在卡口(31)里面。
  11. 根据权利要求1或2或3或4或5所述的一种直流无刷电机，其特征在于：在控制盒(21)的顶部上设置有卡槽(212)，在机壳套筒(3)的后端部上设置有卡块(32)，卡块(32)嵌套在卡槽(212)里面。
  12. 根据权利要求1或2或3或4或5所述的一种直流无刷电机，其特征在于：在机壳套筒(3)外面安装有若干个安装支架(5)。
PCT/CN2015/090612 2015-03-31 2015-09-24 一种直流无刷电机 WO2016155271A1 (zh)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10680486B2 (en) * 2015-06-23 2020-06-09 Zhongshan Broad-Ocean Motor Co. Ltd. External rotor motor
JP7229659B2 (ja) * 2017-11-02 2023-02-28 住友重機械工業株式会社 動力伝達装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201303266Y (zh) * 2008-11-29 2009-09-02 中山大洋电机股份有限公司 一种电机的安装结构
CN203554139U (zh) * 2013-11-14 2014-04-16 中山大洋电机股份有限公司 一种塑封电机
CN203660853U (zh) * 2013-12-20 2014-06-18 中山大洋电机制造有限公司 一种直流无刷电机
CN203655871U (zh) * 2013-12-16 2014-06-18 中山大洋电机制造有限公司 一种电机转轴及其应用的电机
CN204497941U (zh) * 2015-03-31 2015-07-22 中山大洋电机股份有限公司 一种直流无刷电机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736869A (en) 1986-08-22 1988-04-12 Expert Corporation Submersible sealed housing
US5772176A (en) * 1996-03-07 1998-06-30 General Electric Company Motor mounting system
GB0104212D0 (en) 2001-02-21 2001-04-11 Johnson Electric Sa Motor casing
US6831382B1 (en) * 2004-03-17 2004-12-14 Emerson Electric Co. Cover for electric motor
CN201774430U (zh) * 2010-07-29 2011-03-23 中山大洋电机制造有限公司 一种新型电机机构
US8803386B2 (en) * 2010-10-30 2014-08-12 Zhongshan Broad-Ocean Motor Co., Ltd. Brushless DC motor having structures for mounting a hall element and a magnetic ring outside a motor casing
CN102306971B (zh) 2011-09-14 2013-08-14 浙江联宜电机股份有限公司 电机输出轴装配结构
KR101316144B1 (ko) * 2012-06-11 2013-10-08 뉴모텍(주) 모터
CN202918162U (zh) 2012-10-31 2013-05-01 中山大洋电机股份有限公司 一种直流无刷外转子电机结构
CN203135653U (zh) * 2012-12-28 2013-08-14 中山大洋电机制造有限公司 一种塑封电机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201303266Y (zh) * 2008-11-29 2009-09-02 中山大洋电机股份有限公司 一种电机的安装结构
CN203554139U (zh) * 2013-11-14 2014-04-16 中山大洋电机股份有限公司 一种塑封电机
CN203655871U (zh) * 2013-12-16 2014-06-18 中山大洋电机制造有限公司 一种电机转轴及其应用的电机
CN203660853U (zh) * 2013-12-20 2014-06-18 中山大洋电机制造有限公司 一种直流无刷电机
CN204497941U (zh) * 2015-03-31 2015-07-22 中山大洋电机股份有限公司 一种直流无刷电机

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