WO2016119476A1 - 一种霍尔线路板的安装结构及其应用的直流无刷电机 - Google Patents

一种霍尔线路板的安装结构及其应用的直流无刷电机 Download PDF

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Publication number
WO2016119476A1
WO2016119476A1 PCT/CN2015/090341 CN2015090341W WO2016119476A1 WO 2016119476 A1 WO2016119476 A1 WO 2016119476A1 CN 2015090341 W CN2015090341 W CN 2015090341W WO 2016119476 A1 WO2016119476 A1 WO 2016119476A1
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Prior art keywords
circuit board
cavity
hall
mounting
hall circuit
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PCT/CN2015/090341
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English (en)
French (fr)
Inventor
邬拥华
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中山大洋电机股份有限公司
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Priority claimed from CN201520065765.3U external-priority patent/CN204408241U/zh
Priority claimed from CN201520073969.1U external-priority patent/CN204497942U/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 WO2016119476A1 publication Critical patent/WO2016119476A1/zh

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    • 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 mounting structure of a Hall circuit board and a DC brushless motor thereof, which belong to the technical field of motors.
  • the Hall circuit board A1 is mounted on the rear end cover A3 via the annular fixing frame A2, and the Hall element on the Hall circuit board A1 is located outside the magnetic ring A4.
  • the Hall element detects the position signal of the magnetic ring A4, and the Hall circuit board A1 sends the detected position signal to the control circuit board of the motor controller.
  • the Hall board A1 since the Hall board A1 is exposed for a long time, the Hall board A1 is easily damaged during use, assembly, or maintenance, or the Hall element is ineffective in contact with water.
  • the Hall board or Hall element failure is relatively high.
  • the first object of the present invention is to provide a mounting structure of a Hall circuit board, which has a simple structure and ensures that the Hall circuit board is maintained in a long-term use or an extremely humid environment by completely potting the Hall circuit board. Reliable operation.
  • a second object of the present invention is to provide a DC brushless motor which is simple in structure and reliable in operation.
  • a mounting structure of a Hall circuit board comprising a fixing frame and a Hall circuit board, wherein a cavity is formed at a top of the fixing frame, a mounting groove is formed in a recessed bottom wall of the cavity, and the Hall circuit board is installed in the cavity Inside, the Hall element on the bottom surface of the Hall board extends into the mounting slot
  • the cavity is filled with a potting material, and the potting material covers the Hall circuit board.
  • the bottom wall of the cavity is provided with a plurality of support bosses, the Hall circuit board is supported on the top surface of the support boss, and the top surface of the support boss is provided with a positioning post on the outer edge of the Hall circuit board.
  • a plurality of positioning holes are provided in the upper opening, and the positioning column is nested inside the positioning hole.
  • the annular boss is protruded downward on the outer edge of the bottom surface of the fixing frame.
  • the number of the mounting grooves is three, and the three mounting grooves are circumferentially uniformly disposed on the annular boss.
  • the groove is recessed in the middle portion of the bottom surface of the fixing frame to form a columnar body in the middle of the bottom wall of the cavity, and a through hole is formed in the middle of the Hall circuit board, and the column body passes through the middle of the through hole, on the outer edge of the fixing frame A number of curved mounting holes are provided.
  • a brushless DC motor comprising a rotating shaft, a rotor assembly, a stator assembly, a casing, a front end cover, a rear end cover, a fixing frame and a Hall circuit board
  • the rotor assembly is mounted on the rotating shaft
  • the stator assembly and the casing are mounted together Nested outside the rotor assembly
  • the front end cover and the rear end cover are respectively mounted on the two ends of the casing
  • the two ends of the rotating shaft are respectively supported on the bearings of the front end cover and the rear end cover
  • the fixing frame is installed at the middle of the top of the rear end cover
  • the top of the fixing frame is provided with a cavity, and a mounting groove is formed in the bottom wall of the cavity
  • the Hall circuit board is installed in the cavity
  • the Hall element on the bottom surface of the Hall circuit board extends into the mounting groove
  • the cavity is filled with a potting material, and the potting material covers the Hall circuit board.
  • the rear end cover includes an intermediate mounting seat and an annular ring at a periphery of the mounting seat.
  • the mounting seat and the annular ring are connected by a plurality of arms.
  • On the outer edge of the mounting seat a plurality of mounting feet are disposed on the fixing frame.
  • a plurality of arc-shaped mounting holes are provided on the outer edge, and the fixing bracket is mounted on the top surface of the mounting seat by screwing through the mounting hole and screwing into the mounting foot.
  • a cavity is opened in the middle of the top of the mounting seat, and a magnetic ring is mounted on the rotating shaft in the cavity, and an annular boss is extended downward on the outer edge of the bottom surface of the fixing frame, and the annular boss is nested on the inner wall of the cavity Inside, the mounting groove is disposed on the annular boss, and the Hall element is located outside the magnetic ring and detects the position signal of the magnetic ring.
  • the groove is recessed in the middle portion of the bottom surface of the fixing frame to form a columnar body in the middle of the bottom wall of the cavity, and a through hole is formed in the middle of the Hall circuit board.
  • the columnar body passes through the middle of the through hole, and the tail end of the rotating shaft extends into the concave portion. Inside the slot.
  • the motor controller is installed on the top of the rear end cover.
  • the motor controller includes a control box, a mother circuit board and a sub-circuit board.
  • a cavity is arranged in the middle of the control box, and the mother circuit board is mounted on the bottom wall of the cavity.
  • the circuit board is mounted on the top surface of the mother circuit board and electrically connected to the mother circuit board.
  • the box body is nested outside the sub-circuit board, and the box body is mounted on the top surface of the mother circuit board, and the cavity is filled with The potting material covers the mother circuit board and seals the sub-circuit board inside the box.
  • the sub-circuit board is vertically installed on the top surface of the mother circuit board, and a plurality of circular holes are formed on the top surface of the mother circuit board, and a plurality of cylinders are arranged at the bottom of the box body, and the cylinder is nested inside the circular hole.
  • Card slots are respectively disposed on the two inner side walls of the box body, and the box body is nested outside the sub-circuit board, and two sides of the sub-circuit board are respectively embedded in the card slots on the inner side walls of the box body.
  • the bottom of the casing is provided with a notch.
  • the Hall circuit board is installed inside the cavity, and the Hall element on the bottom surface of the Hall circuit board protrudes into the installation slot, and the cavity is filled with the potting material, and the potting material covers the Hall.
  • the circuit board completely fills the Hall circuit board to ensure that the Hall circuit board maintains reliable operation under long-term use or extremely humid environment;
  • a plurality of support bosses are arranged on the bottom wall of the cavity, and the Hall circuit board is supported on the top surface of the support boss, so that the potting material can flow into the space at the bottom of the cavity, so that the Hall line can be
  • the bottom surface of the plate is completely sealed together with the top surface, and the reliability is higher;
  • a positioning post is arranged on the top surface of the supporting boss, and a plurality of positioning holes are formed on the outer edge of the Hall circuit board, and the positioning column is nested inside the positioning hole, the structure is simple, the positioning and installation are convenient, and the Hall element is ensured. Detect the accuracy of the position and improve the reliability of the motor operation;
  • a plurality of mounting feet are arranged on the outer edge of the mounting seat, and a plurality of arc-shaped mounting holes are arranged on the outer edge of the mounting frame, and the fixing bracket is installed by screwing through the mounting hole and screwing into the mounting leg.
  • the top surface of the seat is simple in structure, convenient and firm to install, and the arc-shaped mounting hole can conveniently adjust the mounting position of the fixing frame, ensure the accuracy of the mounting position of the Hall circuit board, and thus the position signal detected by the Hall element. More accurate and reliable;
  • annular boss is protruded downward on the outer edge of the bottom surface of the fixing frame, and the annular boss is nested inside the inner wall of the cavity, the structure is simple, and the positioning and installation are convenient and accurate;
  • a box body is nested outside the sub-circuit board, and the box body is mounted on the top surface of the mother circuit board, and the cavity is filled with a potting material, the potting material covers the mother circuit board and the sub-circuit board is Sealed inside the box, it can completely avoid the failure of the sub-circuit board due to long-term exposure or contact with water, improve the reliability of the motor controller and extend the service life of the motor controller;
  • the sub-circuit board is installed vertically on the top surface of the mother circuit board, the installation is simple and convenient, and the electrical connection between the sub-circuit board and the mother circuit board is more reliable;
  • a plurality of circular holes are formed on the top surface of the mother circuit board, and a plurality of cylinders are arranged at the bottom of the box body, and the cylinder is nested inside the circular hole, the structure is simple, the positioning and installation are convenient, and the assembly efficiency is improved;
  • a card slot is respectively disposed on the two inner side walls of the box body, and the box body is nested outside the sub-circuit board, and the two sides of the sub-circuit board are respectively embedded in the card slots on the inner side walls of the box body, and the structure is simple and convenient to install. , assembly efficiency is high, and reliable, not easy to loose;
  • the bottom of the box body is provided with a notch, so that the box body avoids the electronic components disposed on the mother circuit board, thereby avoiding damage to the electronic components on the mother circuit board by mounting the box body.
  • FIG. 1 is a schematic view showing a mounting structure of a Hall circuit board of a conventional DC brushless motor
  • Figure 2 is a perspective view showing one angle of the mounting structure of the Hall circuit board in the embodiment
  • Figure 3 is a perspective view showing another angle of the mounting structure of the Hall circuit board in the embodiment.
  • Figure 4 is an exploded view of the mounting structure of the Hall circuit board in the embodiment
  • Figure 5 is a plan view showing a mounting structure of a Hall circuit board in the embodiment
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 5;
  • Figure 7 is a perspective view of a DC brushless motor in the embodiment
  • Figure 8 is a perspective view showing the DC brushless motor in the embodiment when the motor controller is not mounted;
  • Figure 9 is an exploded view of the DC brushless motor in the embodiment when the motor controller is not installed;
  • Figure 10 is a plan view showing the DC brushless motor in the embodiment when the motor controller is not mounted;
  • Figure 11 is a cross-sectional view taken along line B-B of Figure 10;
  • Figure 12 is a partial enlarged view of a portion C of Figure 11;
  • Figure 13 is a perspective view of the motor controller in the embodiment.
  • Figure 14 is a plan view of the motor controller in the embodiment.
  • Figure 15 is a cross-sectional view taken along line D-D of Figure 14;
  • Figure 16 is a partial enlarged view of a portion E in Figure 15;
  • Figure 17 is an exploded view of the motor controller in the embodiment.
  • Figure 18 is a perspective view of the casing in the embodiment.
  • Figure 19 is a circuit block diagram of a motor controller in the embodiment.
  • Embodiment 1 As shown in FIG. 2, FIG. 3, FIG. 4, FIG. 5 and FIG. 6, this embodiment is a mounting structure of a Hall circuit board, including a fixing frame 1 and a Hall circuit board 2, in a fixing frame.
  • a cavity 11 is opened at the top of the cavity 1 and a mounting groove 12 is formed in the bottom wall of the cavity 11.
  • the Hall circuit board 2 is mounted inside the cavity 11, and the Hall element 21 on the bottom surface of the Hall circuit board 2 is extended. Inside the mounting groove 12, the cavity 11 is filled with a potting material 3, and the potting material 3 covers the Hall circuit board 2.
  • a plurality of support bosses 13 are disposed on the bottom wall of the cavity 11, and the Hall circuit board 2 is supported on the top surface of the support boss 13 on the top surface of the support boss 13.
  • a positioning post 14 is disposed, and a plurality of positioning holes 22 are defined in the outer edge of the Hall circuit board 2, and the positioning post 14 is nested inside the positioning hole 22.
  • An annular boss 15 is extended downward on the outer edge of the bottom surface of the holder 1, and the number of the mounting grooves 12 is three, and the three mounting grooves 12 are circumferentially uniformly disposed on the annular boss 15.
  • a groove 16 is recessed in the middle portion of the bottom surface of the fixing frame 1 and a columnar body 17 is formed in the middle of the bottom wall of the cavity 11.
  • a through hole 23 is opened in the middle of the Hall circuit board 2, and the columnar body 17 passes through the middle of the through hole 23,
  • a plurality of arcuate mounting holes 18 are provided on the outer edge of the holder 1.
  • Embodiment 2 As shown in FIG. 2 to FIG. 18, this embodiment is a DC brushless motor including a rotating shaft 41, a rotor assembly 42, a stator assembly 43, a casing 44, a front end cover 45, a rear end cover 46, and a fixing.
  • the frame 1 and the Hall circuit board 2 are mounted on the rotating shaft 41.
  • the stator assembly 43 and the casing 44 are mounted together and nested outside the rotor assembly 42, and the front end cover 45 and the rear end cover 46 are respectively mounted on the casing At both ends, the two ends of the rotating shaft 41 are respectively supported on the bearings of the front end cover 45 and the rear end cover 46.
  • the fixing frame 1 is installed at an intermediate position at the top of the rear end cover 46, and a cavity 11 is opened at the top of the fixing frame 1, at The bottom wall of the cavity 11 is recessed to form a mounting groove 12, and the Hall circuit board 2 is mounted inside the cavity 11.
  • the Hall element 21 on the bottom surface of the Hall circuit board 2 extends into the mounting groove 12, in the cavity 11
  • the inside is filled with a potting material 3, and the potting material 3 covers the Hall board 2.
  • the rear end cover 46 includes an intermediate mounting seat 461 and an annular ring 462 at the periphery of the mounting base 461.
  • the mounting seat 461 and the annular ring 462 are connected together by a plurality of arms 463, and a plurality of arms are disposed on the outer edge of the mounting seat 461.
  • the mounting foot 4611 is provided with a plurality of arc-shaped mounting holes 18 on the outer edge of the fixing frame 1, and the fixing bracket 1 is mounted on the top surface of the mounting base 461 by screwing through the mounting hole 18 and screwing into the mounting leg 4611. .
  • a cavity 4610 is defined in the middle of the top of the mount 461.
  • a magnetic ring 47 is mounted on the rotating shaft 41, and an annular boss 15 is extended downward on the outer edge of the bottom surface of the fixing frame 1.
  • the annular boss 15 is nested in the cavity 4610.
  • the mounting groove 12 is disposed on the annular boss 15, the Hall element 21 is located outside the magnetic ring 47 and detects the position signal of the magnetic ring 47, and the Hall element 21 sends the detected position of the magnetic ring 47. Go to the motor controller.
  • a groove 16 is recessed in the middle portion of the bottom surface of the fixing frame 1 and a columnar body 17 is formed in the middle of the bottom wall of the cavity 11.
  • a through hole 23 is opened in the middle of the Hall circuit board 2, and the columnar body 17 passes through the middle of the through hole 23, The tail of the shaft 41 projects into the recess 16.
  • a motor controller 5 is mounted on the top of the rear end cover 46.
  • the motor controller 5 includes a control box 51, a mother circuit board 52, and a sub-circuit board 53.
  • a cavity 510 is disposed in the middle of the control box 51, and the mother circuit board 52 is mounted on the On the bottom wall of the cavity 510, the sub-circuit board 53 is mounted on the top surface of the mother circuit board 52 and electrically connected to the mother circuit board 52.
  • the box body 6 is nested outside the sub-circuit board 53 and the box body 6 is mounted.
  • the cavity 510 is filled with a potting material 3, and the potting material 3 covers the mother circuit board 52 and seals the sub-circuit board 53 inside the casing 6.
  • the sub-circuit board 53 is vertically mounted on the top surface of the mother circuit board 52.
  • a plurality of circular holes 520 are defined in the top surface of the mother circuit board 52.
  • the bottom of the box body 6 is provided with a plurality of cylinders 61, and the cylinders 61 are nested. Inside the round hole 520. Card slots 62 are respectively disposed on the inner side walls of the casing 6, and the casing 6 is nested outside the sub-circuit board 53. Both sides of the sub-circuit board 53 are respectively embedded in the card slots 62 on the inner side walls of the casing 6.
  • the bottom of the casing 6 is provided with a notch 63.
  • the mother circuit board is provided with a power circuit, a microprocessor unit MCU, an analog quantity detecting unit, a rotor position detecting unit and a power inverting unit, and the sub board is provided with an interface circuit, the interface circuit and Microprocessor on the motor controller bus board
  • the unit MCU is connected, and the client control system communicates with the microprocessor unit MCU on the motor board of the motor controller through the interface circuit.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Brushless Motors (AREA)

Abstract

一种霍尔线路板的安装结构及其应用的直流无刷电机，其中霍尔线路板的安装结构包括固定架（1）和霍尔线路板（2），在固定架（1）的顶部开设有空腔（11），在空腔（11）的底壁上凹陷形成有安装槽（12），霍尔线路板（2）安装在空腔（11）里面，霍尔线路板（2）底面上的霍尔元件（21）伸入到安装槽（12）里面，在空腔（11）里面填充有灌封材料（3），灌封材料（3）覆盖霍尔线路板（2），其结构简单，通过把霍尔线路板（2）完全灌封，保证霍尔线路板（2）在长期使用或者极端潮湿的环境下保持可靠运行。

Description

一种霍尔线路板的安装结构及其应用的直流无刷电机 技术领域：
本实用新型涉及一种霍尔线路板的安装结构及其应用的直流无刷电机，属于电机技术领域。
背景技术：
如图1所示，在现有的直流无刷电机中，霍尔线路板A1通过环形的固定架A2安装在后端盖A3上，霍尔线路板A1上的霍尔元件位于磁环A4外侧，霍尔元件检测磁环A4的位置信号，霍尔线路板A1把检测到的位置信号送到电机控制器的控制线路板上。但是由于霍尔线路板A1长期暴露在外，在使用、或者装配、或者维修的过程中，霍尔线路板A1容易被损坏，或者遇水使霍尔元件失效，目前市场上，直流无刷电机中，霍尔线路板或者霍尔元件失效的比较相对较高。
发明内容：
本实用新型的第一个的目的是提供一种霍尔线路板的安装结构，其结构简单，通过把霍尔线路板完全灌封，保证霍尔线路板在长期使用或者极端潮湿的环境下保持可靠运行。
本实用新型的第二个目的是提供一种直流无刷电机，其结构简单，运行可靠。
本实用新型的目的是通过下述技术方案予以实现的。
一种霍尔线路板的安装结构，包括固定架和霍尔线路板，在固定架的顶部开设有空腔，在空腔的底壁上凹陷形成有安装槽，霍尔线路板安装在空腔里面，霍尔线路板底面上的霍尔元件伸入到安装槽里 面，在空腔里面填充有灌封材料，灌封材料覆盖霍尔线路板。
上述在空腔的底壁上设置有若干支承凸台，霍尔线路板支承在支承凸台的顶面上，在支承凸台的顶面上设置有定位柱，在霍尔线路板的外侧边缘上开设有若干定位孔，定位柱嵌套在定位孔里面。
上述在固定架底面的外侧边缘上往下伸出环形凸台，所述安装槽的数量是3个，3个安装槽周向均匀设置在环形凸台上。
上述在固定架底面的中间部分凹陷形成凹槽并在空腔的底壁中间形成柱状体，霍尔线路板中间开设有通孔，柱状体从通孔中间穿过，在固定架的外侧边缘上设置有若干弧形的安装孔。
一种直流无刷电机，包括转轴、转子组件、定子组件、机壳、前端盖、后端盖、固定架和霍尔线路板，转子组件安装在转轴上，定子组件和机壳安装在一起并嵌套在转子组件外面，前端盖和后端盖分别安装在机壳两端，转轴两端分别支承在前端盖和后端盖的轴承上，固定架安装在后端盖顶部的中间位置，在固定架的顶部开设有空腔，在空腔的底壁上凹陷形成有安装槽，霍尔线路板安装在空腔里面，霍尔线路板底面上的霍尔元件伸入到安装槽里面，在空腔里面填充有灌封材料，灌封材料覆盖霍尔线路板。
上述后端盖包括中间的安装座和位于安装座外围的环形圈，安装座与环形圈之间通过若干支臂连接在一起，在安装座的外侧边缘上设置有若干安装脚，在固定架的外侧边缘上设置有若干弧形的安装孔，通过螺钉穿过安装孔并拧进安装脚里面从而把固定架安装在安装座的顶面上。
上述在安装座的顶部中间开设有腔体，在腔体里面、转轴上安装有磁环，在固定架底面的外侧边缘上往下伸出环形凸台，环形凸台嵌套在腔体的内壁里面，所述的安装槽设置在环形凸台上，霍尔元件位于磁环的外侧并检测磁环的位置信号。
上述在固定架底面的中间部分凹陷形成凹槽并在空腔的底壁中间形成柱状体，霍尔线路板中间开设有通孔，柱状体从通孔中间穿过，转轴的尾部伸入到凹槽里面。
上述在后端盖的顶部上安装有电机控制器，电机控制器包括控制盒、母线路板和子线路板，在控制盒中间设置有容腔，母线路板安装在容腔的底壁上，子线路板安装在母线路板的顶面上并且与母线路板电连接在一起，在子线路板外面嵌套有盒体，盒体安装在母线路板的顶面上，在容腔里面填充有灌封材料，灌封材料覆盖母线路板并且把子线路板密封在盒体里面。
上述子线路板是竖直安装在母线路板的顶面上的，在母线路板的顶面上开设有若干圆孔，盒体的底部设置有若干圆柱，圆柱嵌套在圆孔里面。
在盒体的两内侧壁上分别设置有卡槽，盒体嵌套在子线路板外面，子线路板两侧分别镶嵌在盒体两内侧壁上的卡槽里面。
上述盒体的底部设置有缺口。
本实用新型与现有技术相比，具有如下效果：
1)霍尔线路板安装在空腔里面，霍尔线路板底面上的霍尔元件伸入到安装槽里面，在空腔里面填充有灌封材料，灌封材料覆盖霍尔 线路板，把霍尔线路板完全灌封，保证霍尔线路板在长期使用或者极端潮湿的环境下保持可靠运行；
2)在空腔的底壁上设置有若干支承凸台，霍尔线路板支承在支承凸台的顶面上，因此灌封材料能流入到空腔底部的空间里面，从而能把霍尔线路板的底面与顶面一起完全密封，可靠性更高；
3)在支承凸台的顶面上设置有定位柱，在霍尔线路板的外侧边缘上开设有若干定位孔，定位柱嵌套在定位孔里面，结构简单，定位安装方便，保证霍尔元件检测位置的准确性，提高电机运行的可靠性；
4)在安装座的外侧边缘上设置有若干安装脚，在固定架的外侧边缘上设置有若干弧形的安装孔，通过螺钉穿过安装孔并拧进安装脚里面从而把固定架安装在安装座的顶面上，结构简单，安装方便、牢固，并且弧形的安装孔能方便调节固定架的安装位置，保证霍尔线路板安装位置的准确性，从而使霍尔元件检测到的位置信号更加准确、可靠；
5)在固定架底面的外侧边缘上往下伸出环形凸台，环形凸台嵌套在腔体的内壁里面，结构简单，定位安装方便、准确；
6)在固定架底面的中间部分凹陷形成凹槽并在空腔的底壁中间形成柱状体，霍尔线路板中间开设有通孔，柱状体从通孔中间穿过，转轴的尾部伸入到凹槽里面，结构简单，避免在电机运行的过程中，外露的转轴尾部对其他零部件或者操作人员造成伤害；
7)在子线路板外面嵌套有盒体，盒体安装在母线路板的顶面上，在容腔里面填充有灌封材料，灌封材料覆盖母线路板并且把子线路板 密封在盒体里面，可以完全避免子线路板由于长期暴露在外或者由于与水接触而造成的失效，提高电机控制器的可靠性，延长电机控制器的使用寿命；
8)子线路板是竖直安装在母线路板的顶面上的，安装简单、方便，子线路板与母线路板之间的电连接更加可靠；
9)在母线路板的顶面上开设有若干圆孔，盒体的底部设置有若干圆柱，圆柱嵌套在圆孔里面，结构简单，定位安装方便，提高装配效率；
10)在盒体的两内侧壁上分别设置有卡槽，盒体嵌套在子线路板外面，子线路板两侧分别镶嵌在盒体两内侧壁上的卡槽里面，结构简单，安装方便，装配效率高，并且牢靠，不易松脱；
11)盒体的底部设置有缺口，使盒体避开设置在母线路板上的电子元器件，避免由于安装盒体而损坏母线路板上电子元器件。
附图说明：
图1是现有直流无刷电机的霍尔线路板安装结构示意图；
图2是实施例中霍尔线路板安装结构其中一个角度的立体图；
图3是实施例中霍尔线路板安装结构另一个角度的立体图；
图4是实施例中霍尔线路板安装结构的爆炸图；
图5是实施例中霍尔线路板安装结构的俯视图；
图6是图5中A-A线剖视图；
图7是实施例中直流无刷电机的立体图；
图8是实施例中直流无刷电机没有安装电机控制器时的立体图；
图9是实施例中直流无刷电机没有安装电机控制器时的爆炸图；
图10是实施例中直流无刷电机没有安装电机控制器时的俯视图；
图11是图10中B-B线剖视图；
图12是图11中C部分的局部放大图；
图13是实施例中电机控制器的立体图；
图14是实施例中电机控制器的俯视图；
图15是图14中D-D线剖视图；
图16是图15中E部分的局部放大图；
图17是实施例中电机控制器的爆炸图；
图18是实施例中盒体的立体图；
图19是实施例中电机控制器的电路方框图。
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、图3、图4、图5和图6所示，本实施例是一种霍尔线路板的安装结构，包括固定架1和霍尔线路板2，在固定架1的顶部开设有空腔11，在空腔11的底壁上凹陷形成有安装槽12，霍尔线路板2安装在空腔11里面，霍尔线路板2底面上的霍尔元件21伸入到安装槽12里面，在空腔11里面填充有灌封材料3，灌封材料3覆盖霍尔线路板2。在空腔11的底壁上设置有若干支承凸台13，霍尔线路板2支承在支承凸台13的顶面上，在支承凸台13的顶面上 设置有定位柱14，在霍尔线路板2的外侧边缘上开设有若干定位孔22，定位柱14嵌套在定位孔22里面。在固定架1底面的外侧边缘上往下伸出环形凸台15，所述安装槽12的数量是3个，3个安装槽12周向均匀设置在环形凸台15上。在固定架1底面的中间部分凹陷形成凹槽16并在空腔11的底壁中间形成柱状体17，霍尔线路板2中间开设有通孔23，柱状体17从通孔23中间穿过，在固定架1的外侧边缘上设置有若干弧形的安装孔18。
实施例二：如图2至图18所示，本实施例是一种直流无刷电机，包括转轴41、转子组件42、定子组件43、机壳44、前端盖45、后端盖46、固定架1和霍尔线路板2，转子组件42安装在转轴41上，定子组件43和机壳44安装在一起并嵌套在转子组件42外面，前端盖45和后端盖46分别安装在机壳44两端，转轴41两端分别支承在前端盖45和后端盖46的轴承上，固定架1安装在后端盖46顶部的中间位置，在固定架1的顶部开设有空腔11，在空腔11的底壁上凹陷形成有安装槽12，霍尔线路板2安装在空腔11里面，霍尔线路板2底面上的霍尔元件21伸入到安装槽12里面，在空腔11里面填充有灌封材料3，灌封材料3覆盖霍尔线路板2。后端盖46包括中间的安装座461和位于安装座461外围的环形圈462，安装座461与环形圈462之间通过若干支臂463连接在一起，在安装座461的外侧边缘上设置有若干安装脚4611，在固定架1的外侧边缘上设置有若干弧形的安装孔18，通过螺钉穿过安装孔18并拧进安装脚4611里面从而把固定架1安装在安装座461的顶面上。在安装座461的顶部中间 开设有腔体4610，在腔体4610里面、转轴41上安装有磁环47，在固定架1底面的外侧边缘上往下伸出环形凸台15，环形凸台15嵌套在腔体4610的内壁里面，所述的安装槽12设置在环形凸台15上，霍尔元件21位于磁环47的外侧并检测磁环47的位置信号，霍尔元件21把检测到的磁环47位置信号送到电机控制器。在固定架1底面的中间部分凹陷形成凹槽16并在空腔11的底壁中间形成柱状体17，霍尔线路板2中间开设有通孔23，柱状体17从通孔23中间穿过，转轴41的尾部伸入到凹槽16里面。在后端盖46的顶部上安装有电机控制器5，电机控制器5包括控制盒51、母线路板52和子线路板53，在控制盒51中间设置有容腔510，母线路板52安装在容腔510的底壁上，子线路板53安装在母线路板52的顶面上并且与母线路板52电连接在一起，在子线路板53外面嵌套有盒体6，盒体6安装在母线路板52的顶面上，在容腔510里面填充有灌封材料3，灌封材料3覆盖母线路板52并且把子线路板53密封在盒体6里面。子线路板53是竖直安装在母线路板52的顶面上的，在母线路板52的顶面上开设有若干圆孔520，盒体6的底部设置有若干圆柱61，圆柱61嵌套在圆孔520里面。在盒体6的两内侧壁上分别设置有卡槽62，盒体6嵌套在子线路板53外面，子线路板53两侧分别镶嵌在盒体6两内侧壁上的卡槽62里面。盒体6的底部设置有缺口63。
如图19所示，所述的母线路板上设置有电源电路、微处理器单元MCU、模拟量检测单元、转子位置检测单元和功率逆变单元，子线路板设置有接口电路，接口电路与电机控制器母线路板上的微处理器 单元MCU连接，用户端控制系统通过接口电路与电机控制器母线路板上的微处理器单元MCU进行通信。
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 (12)

  1. 一种霍尔线路板的安装结构，包括固定架(1)和霍尔线路板(2)，其特征在于：在固定架(1)的顶部开设有空腔(11)，在空腔(11)的底壁上凹陷形成有安装槽(12)，霍尔线路板(2)安装在空腔(11)里面，霍尔线路板(2)底面上的霍尔元件(21)伸入到安装槽(12)里面，在空腔(11)里面填充有灌封材料(3)，灌封材料(3)覆盖霍尔线路板(2)。
  2. 根据权利要求1所述的一种霍尔线路板的安装结构，其特征在于：在空腔(11)的底壁上设置有若干支承凸台(13)，霍尔线路板(2)支承在支承凸台(13)的顶面上，在支承凸台(13)的顶面上设置有定位柱(14)，在霍尔线路板(2)的外侧边缘上开设有若干定位孔(22)，定位柱(14)嵌套在定位孔(22)里面。
  3. 根据权利要求1或2所述的一种霍尔线路板的安装结构，其特征在于：在固定架(1)底面的外侧边缘上往下伸出环形凸台(15)，所述安装槽(12)的数量是3个，3个安装槽(12)周向均匀设置在环形凸台(15)上。
  4. 根据权利要求1或2所述的一种霍尔线路板的安装结构，其特征在于：在固定架(1)底面的中间部分凹陷形成凹槽(16)并在空腔(11)的底壁中间形成柱状体(17)，霍尔线路板(2)中间开设有通孔(23)，柱状体(17)从通孔(23)中间穿过，在固定架(1)的外侧边缘上设置有若干弧形的安装孔(18)。
  5. 一种直流无刷电机，包括转轴(41)、转子组件(42)、定子 组件(43)、机壳(44)、前端盖(45)、后端盖(46)、固定架(1)和霍尔线路板(2)，转子组件(42)安装在转轴(41)上，定子组件(43)和机壳(44)安装在一起并嵌套在转子组件(42)外面，前端盖(45)和后端盖(46)分别安装在机壳(44)两端，转轴(41)两端分别支承在前端盖(45)和后端盖(46)的轴承上，固定架(1)安装在后端盖(46)顶部的中间位置，其特征在于：在固定架(1)的顶部开设有空腔(11)，在空腔(11)的底壁上凹陷形成有安装槽(12)，霍尔线路板(2)安装在空腔(11)里面，霍尔线路板(2)底面上的霍尔元件(21)伸入到安装槽(12)里面，在空腔(11)里面填充有灌封材料(3)，灌封材料(3)覆盖霍尔线路板(2)。
  6. 根据权利要求5所述的一种直流无刷电机，其特征在于：所述的后端盖(46)包括中间的安装座(461)和位于安装座(461)外围的环形圈(462)，安装座(461)与环形圈(462)之间通过若干支臂(463)连接在一起，在安装座(461)的外侧边缘上设置有若干安装脚(4611)，在固定架(1)的外侧边缘上设置有若干弧形的安装孔(18)，通过螺钉穿过安装孔(18)并拧进安装脚(4611)里面从而把固定架(1)安装在安装座(461)的顶面上。
  7. 根据权利要求6所述的一种直流无刷电机，其特征在于：在安装座(461)的顶部中间开设有腔体(4610)，在腔体(4610)里面、转轴(41)上安装有磁环(47)，在固定架(1)底面的外侧边缘上往下伸出环形凸台(15)，环形凸台(15)嵌套在腔体(4610)的内壁里面，所述的安装槽(12)设置在环形凸台(15)上，霍尔元件(21) 位于磁环(47)的外侧并检测磁环(47)的位置信号。
  8. 根据权利要求5或6或7所述的一种直流无刷电机，其特征在于：在固定架(1)底面的中间部分凹陷形成凹槽(16)并在空腔(11)的底壁中间形成柱状体(17)，霍尔线路板(2)中间开设有通孔(23)，柱状体(17)从通孔(23)中间穿过，转轴(41)的尾部伸入到凹槽(16)里面。
  9. 根据权利要求5或6或7所述的一种直流无刷电机，其特征在于：在后端盖(46)的顶部上安装有电机控制器(5)，电机控制器(5)包括控制盒(51)、母线路板(52)和子线路板(53)，在控制盒(51)中间设置有容腔(510)，母线路板(52)安装在容腔(510)的底壁上，子线路板(53)安装在母线路板(52)的顶面上并且与母线路板(52)电连接在一起，在子线路板(53)外面嵌套有盒体(6)，盒体(6)安装在母线路板(52)的顶面上，在容腔(510)里面填充有灌封材料(3)，灌封材料(3)覆盖母线路板(52)并且把子线路板(53)密封在盒体(6)里面。
  10. 根据权利要求9所述的一种直流无刷电机，其特征在于：所述的子线路板(53)是竖直安装在母线路板(52)的顶面上的，在母线路板(52)的顶面上开设有若干圆孔(520)，盒体(6)的底部设置有若干圆柱(61)，圆柱(61)嵌套在圆孔(520)里面。
  11. 根据权利要求10所述的一种直流无刷电机，其特征在于：在盒体(6)的两内侧壁上分别设置有卡槽(62)，盒体(6)嵌套在子线路板(53)外面，子线路板(53)两侧分别镶嵌在盒体(6)两 内侧壁上的卡槽(62)里面。
  12. 根据权利要求9所述的一种直流无刷电机，其特征在于：盒体(6)的底部设置有缺口(63)。
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CN106992619B (zh) * 2017-04-26 2023-09-05 锐奇控股股份有限公司 一种无刷电机及其定子
CN108233660A (zh) * 2018-03-08 2018-06-29 中山大洋电机股份有限公司 一种bldc电机
CN108233660B (zh) * 2018-03-08 2024-04-26 中山大洋电机股份有限公司 一种bldc电机
CN109120109A (zh) * 2018-09-13 2019-01-01 上海真奕实业有限公司 一种霍尔无刷电机
CN109120109B (zh) * 2018-09-13 2024-05-07 上海西马特机械制造有限公司 一种霍尔无刷电机
CN114465436A (zh) * 2021-12-31 2022-05-10 东阳市联宜机电有限公司 斜极可调的电机
CN114465436B (zh) * 2021-12-31 2024-05-17 浙江联宜电机有限公司 斜极可调的电机

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