WO2015165203A1 - 一种塑封电机 - Google Patents

一种塑封电机 Download PDF

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Publication number
WO2015165203A1
WO2015165203A1 PCT/CN2014/087342 CN2014087342W WO2015165203A1 WO 2015165203 A1 WO2015165203 A1 WO 2015165203A1 CN 2014087342 W CN2014087342 W CN 2014087342W WO 2015165203 A1 WO2015165203 A1 WO 2015165203A1
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WO
WIPO (PCT)
Prior art keywords
plastic
circuit board
mounting
end cover
top surface
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2014/087342
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English (en)
French (fr)
Inventor
邬拥华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Broad Ocean Motor Co Ltd
Original Assignee
Zhongshan Broad Ocean Motor Co Ltd
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Filing date
Publication date
Application filed by Zhongshan Broad Ocean Motor Co Ltd filed Critical Zhongshan Broad Ocean Motor Co Ltd
Publication of WO2015165203A1 publication Critical patent/WO2015165203A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors

Definitions

  • the utility model relates to a plastic sealing motor.
  • the existing plastic-sealed motor comprises a rotating shaft, a rotor assembly, a plastic-sealed stator, a front end cover, a rear end cover and a Hall circuit board.
  • the rotor assembly is mounted on the rotating shaft, a cavity is arranged in the middle of the plastic sealing stator, and the rotor assembly is installed in the cavity, the front end The cover and the rear end cover are respectively installed at two ends of the plastic stator, and the two ends of the rotating shaft are respectively supported on the bearings of the front end cover and the rear end cover, and the Hall circuit board is mounted on the inner side wall surface of the rear end cover, but the plastic motor structure exists
  • the following problems are as follows: 1) The waterproof and dustproof effect of the Hall circuit board is poor, so that the Hall circuit board is easily damaged by pollution, affecting the stability and reliability of its operation; 2) the installation of the Hall circuit board is relatively troublesome, and Easy to loose, there are safety hazards; 3) The positioning and installation of the plastic-sealed motor is troublesome,
  • the purpose of the utility model is to provide a plastic-sealed motor which has a simple structure, simple and convenient installation of the Hall circuit board, firm and firm, good waterproof and dustproof effect of the Hall circuit board, stable and reliable operation, and simple assembly of the whole machine.
  • the positioning accuracy is high, firm and reliable.
  • a plastic-sealed motor comprising a rotating shaft, a rotor assembly, a plastic-sealed stator, a front end cover, a rear end cover, an insulating end plate and a Hall circuit board, the rotor assembly is mounted on the rotating shaft, a cavity is arranged in the middle of the plastic sealing stator, and the rotor assembly is installed in the air Inside the cavity, a front end cover and a rear end cover are respectively installed at two ends of the plastic molded stator, and the two ends of the rotating shaft are respectively supported on the bearings of the front end cover and the rear end cover, and the plastic sealed stator includes a stator core, an end insulation, a coil winding, and The outer casing is insulated on the end face of the stator core, the coil winding is wound on the end insulation, and the insulated end plate is mounted on the top surface of the end insulation, characterized in that it further comprises a mounting box and a mounting box Mounted on the top surface of the insulated end plate, the Hall circuit
  • a plurality of positioning posts are protruded from the bottom wall of the mounting box, and a plurality of positioning holes are formed in the Hall circuit board.
  • the positioning column is nested inside the positioning hole, and the bottom of the positioning column protrudes outwardly from the annular step, and the Hall circuit board The bottom surface is supported on the top surface of the annular step.
  • the bottom wall of the mounting box described above is recessed to form a plurality of recesses, and a plurality of Hall elements on the Hall circuit board extend into the recesses.
  • a plurality of support columns protrude from a top surface of the insulating end plate, and a bottom surface of the mounting box is recessed to form a plurality of mounting slots, and the support columns are nested inside the mounting slots.
  • the top end of the end insulation is provided with a plurality of buckles, the insulating end plate is provided with a plurality of card slots, the buckle and the card slot are fastened together, and the top surface of the insulating end plate is provided with a plurality of clips.
  • the outer side surface of one end portion of the stator core is exposed outside and a mounting step is formed between the bare stator core and the plastic outer casing, and an annular boss is protruded downward on the outer edge of the rear end cover, and the annular boss is nested. Outside the exposed stator core and supported on the top surface of the mounting step.
  • the outer edge of the rear end cover protrudes upward from the annular protrusion to form a control box, and a control circuit board is mounted in the control box, and a plurality of mounting feet protrude from the outer wall surface of the control box.
  • the above description also includes a plurality of mounting screws, a plurality of mounting posts are arranged on the top surface of the plastic sealing shell, the mounting screws pass through the rear end cover and are screwed into the mounting post, and the rear end cover is installed at the end of the plastic sealing shell, the front end cover and the plastic outer casing It is injection molded together.
  • the control circuit board described above is flipped inside the control box, and a cover plate is mounted on the top of the control box, and a plurality of drip holes are opened in the cover plate.
  • the utility model has the following effects: 1) the mounting box is mounted on the top surface of the insulating end plate, and the Hall circuit board is installed inside the mounting box, the structure is simple, and the installation of the Hall circuit board is convenient. Firmly, the plastic package is wrapped around the stator core, the end insulation, the coil winding, the insulation end plate, the mounting box and the Hall circuit board.
  • the Hall circuit board has good waterproof and dustproof effect, stable and reliable operation; 2) Mounting box A plurality of positioning pillars are protruded from the bottom wall, and a plurality of positioning holes are formed on the Hall circuit board, the positioning pillars are nested inside the positioning holes, the positioning and installation of the Hall circuit board is simple, the assembly efficiency is high, and the bottom of the positioning pillar protrudes outward.
  • the annular step, the bottom surface of the Hall circuit board is supported on the top surface of the annular step to ensure that the potting material can Flowing to the bottom of the mounting box to completely wrap the Hall circuit board; 3) a plurality of supporting columns are protruded from the top surface of the insulating end plate, and the bottom surface of the mounting box is recessed to form a plurality of mounting slots, and the supporting columns are nested inside the mounting slots, and the structure Simple, the positioning between the insulating end plate and the mounting box is simple and convenient to install, and the assembly efficiency is high; 4) a plurality of buckles are arranged on the top surface of the end insulation, and a plurality of card slots, buckles and cards are arranged on the insulating end plate The slot buckles are put together, the structure is simple, the positioning between the end insulation and the insulation end plate is simple and convenient, and is firm and reliable.
  • the top surface of the insulation end plate is provided with a plurality of clips to facilitate the installation of the coil winding lead wires;
  • the outer side of one end of the stator core is exposed and a mounting step is formed between the exposed stator core and the plastic casing, and the annular boss is extended downward on the outer edge of the rear cover, and the annular boss is nested in the bare
  • the stator core is supported on the top surface of the mounting step, and the positioning and installation of the whole machine assembly is simple, the positioning is accurate, and the assembly efficiency is high; 6) a plurality of mounting posts are arranged on the top surface of the plastic sealing shell, and the mounting screws pass through Cover and screw into the mounting post to install the rear end cover at the end of the plastic sealing shell.
  • the front end cover and the plastic sealing shell are injection molded together, the structure is simple, the installation is convenient and firm; 7) the control circuit board is flipped inside the control box, A cover plate is installed on the top of the control box, and a plurality of drip holes are formed in the cover plate, so that the waterproof effect is good, and the controller circuit board is prevented from being damaged by water.
  • Figure 1 is a perspective view of the motor of the present invention
  • Figure 2 is an exploded view of the motor of the present invention
  • Figure 3 is a partial enlarged view of A-A in Figure 2;
  • Figure 4 is a plan view of the motor of the present invention.
  • Figure 5 is a cross-sectional view taken along line B-B of Figure 4.
  • Figure 6 is a partial enlarged view of C-C in Figure 5;
  • Figure 7 is a perspective view of the mounting box of the present invention at an angle
  • Figure 8 is a perspective view of another angle of the mounting box of the present invention.
  • the utility model relates to a plastic-sealed motor, comprising a rotating shaft 1 and a rotor assembly 2 .
  • the stator 3, the front end cover 4, the rear end cover 5, the insulating end plate 6, and the Hall circuit board 7 are molded, the rotor assembly 2 is mounted on the rotating shaft 1, the cavity 30 is disposed in the middle of the plastic sealing stator 3, and the rotor assembly 2 is mounted in the cavity.
  • the front end cover 4 and the rear end cover 5 are respectively mounted on the two ends of the plastic molded stator 3, and the two ends of the rotating shaft 1 are respectively supported on the bearings of the front end cover 4 and the rear end cover 5, and the plastically sealed stator 3 includes the stator core 31.
  • the end insulation 32, the coil winding 33 and the plastic casing 34 are mounted on the end faces of the stator core 31, the coil windings 33 are wound around the end insulation 32, and the insulating end plates 6 are mounted on the end insulation 32.
  • On the top surface it further comprises a mounting box 8 mounted on the top surface of the insulating end plate 6, the Hall circuit board 7 is mounted inside the mounting box 8, and the plastic sealing shell 34 is wrapped around the stator core 31 and the end portion.
  • the insulating 32, the coil winding 33, the insulating end plate 6, the mounting case 8, and the outside of the Hall wiring board 7 are provided.
  • a plurality of positioning posts 81 are protruded from the bottom wall of the mounting box 8, and a plurality of positioning holes 71 are defined in the Hall circuit board 7.
  • the positioning post 81 is nested inside the positioning hole 71, and the bottom of the positioning post 81 extends outwardly from the annular step 82.
  • the bottom surface of the Hall wiring board 7 is supported on the top surface of the annular step 82.
  • the bottom wall of the mounting box 8 is recessed to define a plurality of recesses 82 into which a plurality of Hall elements 72 on the Hall circuit board 7 extend.
  • a plurality of support posts 61 extend from the top surface of the insulating end plate 6.
  • the bottom surface of the mounting box 8 is recessed to form a plurality of mounting slots 83, and the support posts 61 are nested inside the mounting slots 83.
  • a plurality of buckles 321 are disposed on the top surface of the end insulation 32.
  • the plurality of card slots 62 are disposed on the insulation end plate 6.
  • the buckles 321 and the card slots 62 are fastened together, and the top surface of the insulation end plate 6 is provided with a plurality of Clip 63.
  • An outer side surface of one end portion of the stator core 31 is exposed and a mounting step 35 is formed between the bare stator core 31 and the plastic outer casing 34, and an annular boss 51 is extended downward on the outer edge of the rear end cover 5, and the annular boss 51 is nested outside the bare stator core 31 and supported on the top surface of the mounting step 35.
  • a control box is formed on the outer edge of the rear end cover 5 to project an annular projection 52.
  • a control circuit board 9 is mounted in the control box, and a plurality of mounting legs 521 are protruded from the outer wall surface of the control box. It also includes a plurality of mounting screws 10 on the top surface of which a plurality of mounting posts 341 are disposed, the mounting screws 10 pass through the rear end cover 5 and are screwed into the mounting posts 341 to mount the rear end cover 5 at the end of the plastic housing 34.
  • the front end cover 4 and the molded outer casing 34 are injection molded together.
  • the control circuit board 9 is flip-chip mounted inside the control box, and a cover plate 11 is mounted on the top of the control box. The cover plate 11 is provided with a plurality of drip holes 110.
  • the principle of the utility model is that the Hall circuit board 7 is mounted on the top surface of the insulating end plate 6 through the mounting box 8, and the plastic sealing shell 34 is wrapped around the stator core 31, the end insulation 32, the coil winding 33, and the insulating end plate. 6, Ann
  • the box 8 and the Hall circuit board 7 are externally arranged, the structure is simple, the Hall circuit board 7 is conveniently installed, and the Hall circuit board 7 has good waterproof and dustproof effect, and the working operation is stable and reliable.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

一种塑封电机，包括转轴（1）、转子组件（2）、塑封定子（3）、前端盖（4）、后端盖（5）、绝缘端板（6）和霍尔线路板（7），还包括安装盒（8），安装盒（8）安装在绝缘端板（6）的顶面上，霍尔线路板（7）安装在安装盒（8）里面，塑封外壳（34）包裹在定子铁芯（31）、端部绝缘（32）、线圈绕组（33）、绝缘端板（6）、安装盒（8）和霍尔线路板（7）外面，该电机结构简单，霍尔线路板（7）的安装简单方便，结实牢固，霍尔线路板（7）的防水防尘效果好，工作运行稳定可靠，整机的装配简单，定位精度高，牢固可靠。

Description

一种塑封电机 技术领域：
本实用新型涉及一种塑封电机。
背景技术：
现有的塑封电机包括转轴、转子组件、塑封定子、前端盖、后端盖和霍尔线路板，转子组件安装在转轴上，塑封定子中间设置有空腔，转子组件安装在空腔里面，前端盖和后端盖分别安装在塑封定子两端，转轴两端分别支承在前端盖和后端盖的轴承上，霍尔线路板安装在后端盖的内侧壁面上，但是这种塑封电机结构存在如下几个问题：1)霍尔线路板的防水防尘效果差，致使霍尔线路板容易被污染损坏，影响其运行的稳定性和可靠性；2)霍尔线路板的安装相对麻烦，而且容易松脱，存在安全隐患；3)塑封电机整机的定位安装麻烦，定位精度差，不够牢固。
发明内容：
本实用新型的目的是提供一种塑封电机，该电机结构简单，霍尔线路板的安装简单方便，结实牢固，霍尔线路板的防水防尘效果好，工作运行稳定可靠，整机的装配简单，定位精度高，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。
一种塑封电机，包括转轴、转子组件、塑封定子、前端盖、后端盖、绝缘端板和霍尔线路板，转子组件安装在转轴上，塑封定子中间设置有空腔，转子组件安装在空腔里面，前端盖和后端盖分别安装在塑封定子两端，转轴两端分别支承在前端盖和后端盖的轴承上，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，线圈绕组卷绕在端部绝缘上，绝缘端板安装在端部绝缘的顶面上，其特征在于：它还包括安装盒，安装盒安装在绝缘端板的顶面上，霍尔线路板安装在安装盒里面，塑封外壳包裹在定子铁芯、端部绝缘、线圈绕组、绝缘端板、安装盒和霍尔线路板外面。
上述所述的安装盒的底壁上伸出若干定位柱，霍尔线路板上开设有若干定位孔，定位柱嵌套在定位孔里面，定位柱的底部往外伸出环形台阶，霍尔线路板的底面支承在环形台阶的顶面上。
上述所述的安装盒的底壁凹陷形成若干凹槽，霍尔线路板上的若干霍尔元件伸入到凹槽里面。
上述所述的绝缘端板的顶面上伸出若干支承柱，安装盒的底面凹陷形成若干安装槽，支承柱嵌套在安装槽里面。
上述所述的端部绝缘的顶面上设置有若干卡扣，绝缘端板上设置有若干卡槽，卡扣和卡槽扣合在一起，绝缘端板的顶面上设置有若干线夹。
上述所述的定子铁芯一端部的外侧面裸露在外并在裸露的定子铁芯与塑封外壳之间形成安装台阶，后端盖的外侧边缘上往下伸出环形凸台，环形凸台嵌套在裸露的定子铁芯外面并支承在安装台阶的顶面上。
上述所述的后端盖的外侧边缘上往上伸出环形凸起形成控制盒，在控制盒里面安装有控制线路板，控制盒外壁面上伸出若干安装脚。
上述所述的还包括若干安装螺钉，塑封外壳的顶面上设置有若干安装柱，安装螺钉穿过后端盖并拧进安装柱把后端盖安装在塑封外壳的端部，前端盖和塑封外壳是注塑在一起的。
上述所述的控制线路板是倒装在控制盒里面的，在控制盒的顶部安装有盖板，盖板上开设有若干滴水孔。
本实用新型与现有技术相比，具有如下效果：1)安装盒安装在绝缘端板的顶面上，霍尔线路板安装在安装盒里面，该结构简单，霍尔线路板的安装方便、牢固，塑封外壳包裹在定子铁芯、端部绝缘、线圈绕组、绝缘端板、安装盒和霍尔线路板外面，霍尔线路板的防水防尘效果好，工作运行稳定可靠；2)安装盒的底壁上伸出若干定位柱，霍尔线路板上开设有若干定位孔，定位柱嵌套在定位孔里面，霍尔线路板的定位安装简单，装配效率高，定位柱的底部往外伸出环形台阶，霍尔线路板的底面支承在环形台阶的顶面上，可保证灌封材料能 流到安装盒底部从而把霍尔线路板全部包裹着；3)绝缘端板的顶面上伸出若干支承柱，安装盒的底面凹陷形成若干安装槽，支承柱嵌套在安装槽里面，结构简单，绝缘端板和安装盒之间的定位安装简单、方便，装配效率高；4)端部绝缘的顶面上设置有若干卡扣，绝缘端板上设置有若干卡槽，卡扣和卡槽扣合在一起，结构简单，端部绝缘和绝缘端板之间的定位安装简单、方便，牢固可靠，绝缘端板的顶面上设置有若干线夹，方便线圈绕组引出线的安装；5)定子铁芯一端部的外侧面裸露在外并在裸露的定子铁芯与塑封外壳之间形成安装台阶，后端盖的外侧边缘上往下伸出环形凸台，环形凸台嵌套在裸露的定子铁芯外面并支承在安装台阶的顶面上，整机装配的定位安装简单、定位精确，装配效率高；6)塑封外壳的顶面上设置有若干安装柱，安装螺钉穿过后端盖并拧进安装柱把后端盖安装在塑封外壳的端部，前端盖和塑封外壳是注塑在一起的，结构简单，安装方便牢固；7)控制线路板是倒装在控制盒里面的，在控制盒的顶部安装有盖板，盖板上开设有若干滴水孔，防水效果好，避免控制器线路板碰水损坏。
附图说明：
图1是本实用新型电机的立体图；
图2是本实用新型电机的分解图；
图3是图2中A-A局部放大图；
图4是本实用新型电机的俯视图；
图5是图4中B-B剖视图；
图6是图5中C-C局部放大图；
图7是本实用新型安装盒一个角度的立体图；
图8是本实用新型安装盒另一个角度的立体图。
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。
如图1至图8所示，本实用新型是一种塑封电机，包括转轴1、转子组件2、 塑封定子3、前端盖4、后端盖5、绝缘端板6和霍尔线路板7，转子组件2安装在转轴1上，塑封定子3中间设置有空腔30，转子组件2安装在空腔30里面，前端盖4和后端盖5分别安装在塑封定子3两端，转轴1两端分别支承在前端盖4和后端盖5的轴承上，所述的塑封定子3包括定子铁芯31、端部绝缘32、线圈绕组33和塑封外壳34，端部绝缘32安装在定子铁芯31的端面上，线圈绕组33卷绕在端部绝缘32上，绝缘端板6安装在端部绝缘32的顶面上，它还包括安装盒8，安装盒8安装在绝缘端板6的顶面上，霍尔线路板7安装在安装盒8里面，塑封外壳34包裹在定子铁芯31、端部绝缘32、线圈绕组33、绝缘端板6、安装盒8和霍尔线路板7外面。安装盒8的底壁上伸出若干定位柱81，霍尔线路板7上开设有若干定位孔71，定位柱81嵌套在定位孔71里面，定位柱81的底部往外伸出环形台阶82，霍尔线路板7的底面支承在环形台阶82的顶面上。安装盒8的底壁凹陷形成若干凹槽82，霍尔线路板7上的若干霍尔元件72伸入到凹槽82里面。绝缘端板6的顶面上伸出若干支承柱61，安装盒8的底面凹陷形成若干安装槽83，支承柱61嵌套在安装槽83里面。端部绝缘32的顶面上设置有若干卡扣321，绝缘端板6上设置有若干卡槽62，卡扣321和卡槽62扣合在一起，绝缘端板6的顶面上设置有若干线夹63。定子铁芯31一端部的外侧面裸露在外并在裸露的定子铁芯31与塑封外壳34之间形成安装台阶35，后端盖5的外侧边缘上往下伸出环形凸台51，环形凸台51嵌套在裸露的定子铁芯31外面并支承在安装台阶35的顶面上。后端盖5的外侧边缘上往上伸出环形凸起52形成控制盒，在控制盒里面安装有控制线路板9，控制盒外壁面上伸出若干安装脚521。它还包括若干安装螺钉10，塑封外壳34的顶面上设置有若干安装柱341，安装螺钉10穿过后端盖5并拧进安装柱341把后端盖5安装在塑封外壳34的端部，前端盖4和塑封外壳34是注塑在一起的。控制线路板9是倒装在控制盒里面的，在控制盒的顶部安装有盖板11，盖板11上开设有若干滴水孔110。
本实用新型的原理是：通过安装盒8把霍尔线路板7安装在绝缘端板6的顶面上，塑封外壳34包裹在定子铁芯31、端部绝缘32、线圈绕组33、绝缘端板6、安 装盒8和霍尔线路板7外面，该结构简单，霍尔线路板7的安装方便，霍尔线路板7的防水防尘效果好，工作运行稳定可靠。

Claims (9)

  1. 一种塑封电机，包括转轴(1)、转子组件(2)、塑封定子(3)、前端盖(4)、后端盖(5)、绝缘端板(6)和霍尔线路板(7)，转子组件(2)安装在转轴(1)上，塑封定子(3)中间设置有空腔(30)，转子组件(2)安装在空腔(30)里面，前端盖(4)和后端盖(5)分别安装在塑封定子(3)两端，转轴(1)两端分别支承在前端盖(4)和后端盖(5)的轴承上，所述的塑封定子(3)包括定子铁芯(31)、端部绝缘(32)、线圈绕组(33)和塑封外壳(34)，端部绝缘(32)安装在定子铁芯(31)的端面上，线圈绕组(33)卷绕在端部绝缘(32)上，绝缘端板(6)安装在端部绝缘(32)的顶面上，其特征在于：它还包括安装盒(8)，安装盒(8)安装在绝缘端板(6)的顶面上，霍尔线路板(7)安装在安装盒(8)里面，塑封外壳(34)包裹在定子铁芯(31)、端部绝缘(32)、线圈绕组(33)、绝缘端板(6)、安装盒(8)和霍尔线路板(7)外面。
  2. 根据权利要求1所述的一种塑封电机，其特征在于：安装盒(8)的底壁上伸出若干定位柱(81)，霍尔线路板(7)上开设有若干定位孔(71)，定位柱(81)嵌套在定位孔(71)里面，定位柱(81)的底部往外伸出环形台阶(82)，霍尔线路板(7)的底面支承在环形台阶(82)的顶面上。
  3. 根据权利要求2所述的一种塑封电机，其特征在于：安装盒(8)的底壁凹陷形成若干凹槽(83)，霍尔线路板(7)上的若干霍尔元件(72)伸入到凹槽(83)里面。
  4. 根据权利要求1或2或3所述的一种塑封电机，其特征在于：绝缘端板(6)的顶面上伸出若干支承柱(61)，安装盒(8)的底面凹陷形成若干安装槽(84)，支承柱(61)嵌套在安装槽(84)里面。
  5. 根据权利要求4所述的一种塑封电机，其特征在于：端部绝缘(32)的顶面上设置有若干卡扣(321)，绝缘端板(6)上设置有若干卡槽(62)，卡扣(321)和卡槽(62)扣合在一起，绝缘端板(6)的顶面上设置有若干线夹(63)。
  6. 根据权利要求1或2或3所述的一种塑封电机，其特征在于：定子铁芯(31)一端部的外侧面裸露在外并在裸露的定子铁芯(31)与塑封外壳(34)之间形成安装台阶(35)，后端盖(5)的外侧边缘上往下伸出环形凸台(51)，环形凸台(51)嵌套在裸露的定子铁芯(31)外面并支承在安装台阶(35)的顶面上。
  7. 根据权利要求6所述的一种塑封电机，其特征在于：后端盖(5)的外侧边缘上往上伸出环形凸起(52)形成控制盒，在控制盒里面安装有控制线路板(9)，控制盒外壁面上伸出若干安装脚(521)。
  8. 根据权利要求7所述的一种塑封电机，其特征在于：它还包括若干安装螺钉(10)，塑封外壳(34)的顶面上设置有若干安装柱(341)，安装螺钉(10)穿过后端盖(5)并拧进安装柱(341)把后端盖(5)安装在塑封外壳(34)的端部，前端盖(4)和塑封外壳(34)是注塑在一起的。
  9. 根据权利要求7所述的一种塑封电机，其特征在于：控制线路板(9)是倒装在控制盒里面的，在控制盒的顶部安装有盖板(11)，盖板(11)上开设有若干滴水孔(110)。
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