WO2016119321A1 - 一种电机控制器及其应用的直流无刷电机 - Google Patents

一种电机控制器及其应用的直流无刷电机 Download PDF

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Publication number
WO2016119321A1
WO2016119321A1 PCT/CN2015/077458 CN2015077458W WO2016119321A1 WO 2016119321 A1 WO2016119321 A1 WO 2016119321A1 CN 2015077458 W CN2015077458 W CN 2015077458W WO 2016119321 A1 WO2016119321 A1 WO 2016119321A1
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circuit board
sub
motor controller
motor
mother
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PCT/CN2015/077458
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English (en)
French (fr)
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邬拥华
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中山大洋电机股份有限公司
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Publication of WO2016119321A1 publication Critical patent/WO2016119321A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14322—Housings specially adapted for power drive units or power converters wherein the control and power circuits of a power converter are arranged within the same casing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors

Definitions

  • the utility model relates to a motor controller and a DC brushless motor thereof, which belong to the technical field of motors.
  • the motor controller for the existing DC brushless motor mainly includes a control box and a mother circuit board, and the mother circuit board is installed in the control box. Due to the development of the DC brushless motor, it is difficult to satisfy the market for the DC only by the mother circuit board. Brush motor features are diversified. Therefore, there is a structural scheme of adding a sub-circuit board on the mother circuit board.
  • the sub-circuit board is mounted on the top surface of the mother circuit board and electrically connected with the mother circuit board, and the UV protection technology is applied to the sub-circuit board. To avoid failure caused by long-term exposure of the sub-board.
  • the purpose of the utility model is to provide a motor controller and a DC brushless motor thereof, by nesting a box body outside a sub-circuit board, the potting material covers the mother circuit board and the sub-circuit board is sealed inside the box body.
  • the failure of the sub-board due to long-term exposure or due to contact with water can be completely avoided, the reliability of the motor controller is improved, and the service life of the motor controller is prolonged.
  • a motor controller comprises a control box, a mother circuit board and a sub-circuit board, wherein a cavity is arranged in the middle of the control box, the mother circuit board is mounted on the bottom wall of the cavity, and the sub-circuit board is mounted on the top surface of the mother circuit board And electrically connected with the mother circuit board, a box body is nested outside the sub-circuit board, the box body is mounted on the top surface of the mother circuit board, the cavity is filled with potting material, and the potting material covers the mother circuit board And the sub-board is sealed inside the box.
  • the sub-circuit board described above is vertically mounted on the top surface of the mother board.
  • a plurality of positioning holes are formed on the top surface of the mother circuit board, and a plurality of positioning posts are disposed at the bottom of the box body, and the positioning column is nested inside the positioning holes.
  • the two inner side walls of the box body are respectively provided with card slots, 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.
  • the bottom of the case described above is provided with a notch.
  • a DC brushless motor includes a motor body and a motor controller mounted on the motor body, the motor body including a rotor, a stator and a casing, the rotor and the stator are mounted inside the casing, and the motor controller includes a control box a mother circuit board and a sub-circuit board, wherein a cavity is arranged in the middle of the control box, the mother circuit board is mounted on the bottom wall of the cavity, and the sub-circuit board is mounted on the top surface of the mother circuit board and electrically connected to the mother circuit board 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 in the box body. inside.
  • 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 in the box.
  • the failure of the sub-circuit board due to long-term exposure or contact with water can be completely avoided, the reliability of the motor controller is improved, and the service life of the motor controller is prolonged;
  • 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 positioning holes are formed on the top surface of the mother circuit board, and a plurality of positioning columns are arranged at the bottom of the box body, and the positioning column is nested inside the positioning holes, 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.
  • Figure 1 is a perspective view of a motor controller in an embodiment
  • Figure 2 is an exploded view of the motor controller in the embodiment
  • Figure 3 is a plan view of the motor controller in the embodiment
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a partial enlarged view of B-B in Figure 4.
  • Figure 6 is a perspective view of the casing in the embodiment.
  • Figure 7 is a circuit block diagram of a motor controller in the embodiment.
  • Figure 8 is a perspective view of a DC brushless motor in the embodiment
  • Fig. 9 is a cross-sectional view showing the structure of a brushless DC motor in the embodiment.
  • Embodiment 1 As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 and FIG. 6 , the embodiment is a motor controller including a control box 1 , a mother circuit board 2 and a sub-circuit board 3 .
  • the control box 1 is provided with a cavity 11 in the middle, the female circuit board 2 is mounted on the bottom wall 11 of the cavity, and the sub-circuit board 3 is mounted on the top surface of the mother circuit board 2 and electrically connected to the mother circuit board 2,
  • a box body 4 is nested outside the sub-circuit board 3, and the box body 4 is mounted on the top surface of the mother circuit board 2, and the cavity 11 is filled with a potting material 5, and the potting material 5 covers the mother circuit board 2 and the handle
  • the wiring board 3 is sealed inside the casing 4.
  • the sub-circuit board 3 is vertically mounted on the top surface of the mother board 2.
  • a plurality of positioning holes 21 are defined in the top surface of the female circuit board 2.
  • the bottom of the casing 4 is provided with a plurality of positioning posts 41, and the positioning posts 41 are nested inside the positioning holes 21.
  • Card slots 42 are respectively disposed on the inner side walls of the casing 4, and the casing 4 is nested outside the sub-circuit board 3, and the two sides of the sub-circuit board 3 are respectively embedded in the card slots 42 on the inner side walls of the casing 4.
  • the bottom of the casing 4 is provided with a notch 43 to avoid electronic components disposed on the mother circuit board 2.
  • 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 inverter unit, and the sub circuit board is provided with an interface circuit, and the interface circuit and Microprocessor unit MCU connection on the motor controller mother board, user terminal control system
  • the interface circuit is used to communicate with the microprocessor unit MCU on the motor board of the motor controller.
  • Embodiment 2 As shown in FIG. 8 and FIG. 9, the present embodiment is a DC brushless motor, and the motor body 5 including the motor body 5 and the motor controller 6 mounted on the motor body 5 includes a rotor 51, The stator 52 and the outer casing 53, the rotor 51 and the stator 52 are mounted inside the outer casing 53.
  • the motor controller comprises a control box 1, a mother circuit board 2 and a sub-circuit board 3, and a cavity 11 is arranged in the middle of the control box 1, and the mother circuit board 2 is mounted on the bottom wall 11 of the cavity.
  • the sub-circuit board 3 is mounted on the top surface of the mother circuit board 2 and electrically connected to the mother circuit board 2, and a box body 4 is nested outside the sub-circuit board 3, and the box body 4 is mounted on the top of the mother circuit board 2.
  • the cavity 11 is filled with a potting material 5 which covers the mother circuit board 2 and seals the sub-circuit board 3 inside the casing 4.

Abstract

一种电机控制器及其应用的直流无刷电机，包括控制盒（1）、母线路板（2）和子线路板（3），在控制盒中间设置有空腔（11），母线路板安装在空腔的底壁上，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（4），盒体安装在母线路板的顶面上，在空腔里面填充有灌封材料（5），灌封材料覆盖母线路板并且把子线路板密封在盒体里面。该控制器及电机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。

Description

一种电机控制器及其应用的直流无刷电机 技术领域：
本实用新型涉及一种电机控制器及其应用的直流无刷电机，属于电机技术领域。
背景技术：
现有直流无刷电机用的电机控制器主要包括控制盒和母线路板，母线路板安装在控制盒里面，由于直流无刷电机的日益发展，仅凭母线路板已经难以满足市场对直流无刷电机功能多样化的需求。因此出现了在母线路板上增加子线路板的结构方案，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，并且对子线路板采用喷UV胶防护工艺，以避免子线路板长期暴露在外而造成的失效。但是由于喷UV胶防护工艺的防护效果有限、工作环境恶劣、在装配或者维修过程中的不当操作等原因，市面上子线路板失效的比例还是比较高，子线路板失效意味着电机控制器需要维修设置是报废，这是都不是客户所期望的。
发明内容：
本实用新型的目的是提供一种电机控制器及其应用的直流无刷电机，通过在子线路板外面嵌套有盒体，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。
本实用新型的目的是通过下述技术方案予以实现的。
一种电机控制器，包括控制盒、母线路板和子线路板，在控制盒中间设置有空腔，母线路板安装在空腔的底壁上，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，在空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。
上述所述的子线路板是竖直安装在母线路板的顶面上的。
上述所述的在母线路板的顶面上开设有若干定位孔，盒体的底部设置有若干定位柱，定位柱嵌套在定位孔里面。
上述所述的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。
上述所述的盒体的底部设置有缺口。
一种直流无刷电机，包括电机本体和安装在电机本体上的电机控制器，所述的电机本体包括转子、定子和外壳，转子和定子安装在外壳里面，所述的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空腔，母线路板安装在空腔的底壁上，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，在空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。
本实用新型与现有技术相比，具有如下效果：
1)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，在空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；
2)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；
3)母线路板的顶面上开设有若干定位孔，盒体的底部设置有若干定位柱，定位柱嵌套在定位孔里面，结构简单，定位安装方便，提高装配效率；
4)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；
5)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是实施例中电机控制器的立体图；
图2是实施例中电机控制器的分解图；
图3是实施例中电机控制器的俯视图；
图4是图3中A-A剖视图；
图5是图4中B-B局部放大图；
图6是实施例中盒体的立体图；
图7是实施例中电机控制器的电路方框图；
图8是实施例中直流无刷电机的立体图；
图9是实施例中直流无刷电机的结构剖视图。
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、图2、图3、图4、图5和图6所示，本实施例是一种电机控制器，包括控制盒1、母线路板2和子线路板3，在控制盒1中间设置有空腔11，母线路板2安装在空腔的底壁11上，子线路板3安装在母线路板2的顶面上并且与母线路板2电连接在一起，在子线路板3外面嵌套有盒体4，盒体4安装在母线路板2的顶面上，在空腔11里面填充有灌封材料5，灌封材料5覆盖母线路板2并且把子线路板3密封在盒体4里面。所述的子线路板3是竖直安装在母线路板2的顶面上的。在母线路板2的顶面上开设有若干定位孔21，盒体4的底部设置有若干定位柱41，定位柱41嵌套在定位孔21里面。在盒体4的两内侧壁上分别设置有卡槽42，盒体4嵌套在子线路板3外面，子线路板3两侧分别镶嵌在盒体4两内侧壁上的卡槽42里面。盒体4的底部设置有缺口43，以避开设置在母线路板2上的电子元器件。
如图7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。
实施例二：如图8和图9所示，本实施例是一种直流无刷电机，包括电机本体5和安装在电机本体5上的电机控制器6所述的电机本体5包括转子51、定子52和外壳53，转子51和定子52安装在外壳53里面。如图4所示，所述的电机控制器包括控制盒1、母线路板2和子线路板3，在控制盒1中间设置有空腔11，母线路板2安装在空腔的底壁11上，子线路板3安装在母线路板2的顶面上并且与母线路板2电连接在一起，在子线路板3外面嵌套有盒体4，盒体4安装在母线路板2的顶面上，在空腔11里面填充有灌封材料5，灌封材料5覆盖母线路板2并且把子线路板3密封在盒体4里面。
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 (6)

  1. 一种电机控制器，包括控制盒(1)、母线路板(2)和子线路板(3)，在控制盒(1)中间设置有空腔(11)，母线路板(2)安装在空腔的底壁(11)上，子线路板(3)安装在母线路板(2)的顶面上并且与母线路板(2)电连接在一起，其特征在于：在子线路板(3)外面嵌套有盒体(4)，盒体(4)安装在母线路板(2)的顶面上，在空腔(11)里面填充有灌封材料(5)，灌封材料(5)覆盖母线路板(2)并且把子线路板(3)密封在盒体(4)里面。
  2. 根据权利要求1所述的一种电机控制器，其特征在于：所述的子线路板(3)是竖直安装在母线路板(2)的顶面上的。
  3. 根据权利要求2所述的一种电机控制器，其特征在于：在母线路板(2)的顶面上开设有若干定位孔(21)，盒体(4)的底部设置有若干定位柱(41)，定位柱(41)嵌套在定位孔(21)里面。
  4. 根据权利要求1或2或3所述的一种电机控制器，其特征在于：在盒体(4)的两内侧壁上分别设置有卡槽(42)，盒体(4)嵌套在子线路板(3)外面，子线路板(3)两侧分别镶嵌在盒体(4)两内侧壁上的卡槽(42)里面。
  5. 根据权利要求1或2或3所述的一种电机控制器，其特征在于：盒体(4)的底部设置有缺口(43)。
  6. 一种直流无刷电机，包括电机本体(5)和安装在电机本体(5)上的电机控制器(6)，所述的电机本体(5)包括转子(51)、定子(52)和外壳(53)，转子(51)和定子(52)安装在外壳(53)里面，其特征在于：所述的电机控制器是权利要求1至5任意一项所描述的电机控制器。
PCT/CN2015/077458 2015-01-29 2015-04-24 一种电机控制器及其应用的直流无刷电机 WO2016119321A1 (zh)

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WO2016119476A1 (zh) * 2015-01-29 2016-08-04 中山大洋电机股份有限公司 一种霍尔线路板的安装结构及其应用的直流无刷电机
CN108901168B (zh) * 2018-08-06 2024-03-26 广东美的制冷设备有限公司 封装体、开关电源模块、pcb模块以及空调器

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